diff options
| author | marha <marha@users.sourceforge.net> | 2011-07-11 09:02:33 +0200 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2011-07-11 09:02:33 +0200 |
| commit | 4611d27b8966b26b8ac63514a461f31c3172c31c (patch) | |
| tree | 5de36cfa4517b997cb703cb1eced374c9db1f2b1 /mesalib/src/mesa/main | |
| parent | dbe01a4f78f09723b327d1d8522bfa5026c4f6e0 (diff) | |
| parent | 0b43e0b4ddbd9fdac70658164f3dbf653067a4de (diff) | |
| download | vcxsrv-4611d27b8966b26b8ac63514a461f31c3172c31c.tar.gz vcxsrv-4611d27b8966b26b8ac63514a461f31c3172c31c.tar.bz2 vcxsrv-4611d27b8966b26b8ac63514a461f31c3172c31c.zip | |
Merge remote-tracking branch 'origin/released'
Conflicts:
mesalib/docs/GL3.txt
mesalib/src/glsl/linker.cpp
mesalib/src/mesa/main/depthstencil.c
mesalib/src/mesa/main/fbobject.c
mesalib/src/mesa/main/formats.c
mesalib/src/mesa/main/formats.h
mesalib/src/mesa/main/framebuffer.c
mesalib/src/mesa/main/mtypes.h
mesalib/src/mesa/main/pack.c
mesalib/src/mesa/main/readpix.c
mesalib/src/mesa/main/renderbuffer.c
mesalib/src/mesa/main/samplerobj.c
mesalib/src/mesa/main/shaderapi.c
mesalib/src/mesa/main/texenv.c
mesalib/src/mesa/main/texobj.c
mesalib/src/mesa/main/uniforms.c
mesalib/src/mesa/state_tracker/st_cb_clear.c
mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
mesalib/src/mesa/state_tracker/st_cb_readpixels.c
mesalib/src/mesa/state_tracker/st_extensions.c
mesalib/src/mesa/state_tracker/st_format.c
mesalib/src/mesa/swrast/s_readpix.c
Diffstat (limited to 'mesalib/src/mesa/main')
| -rw-r--r-- | mesalib/src/mesa/main/depthstencil.c | 322 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/depthstencil.h | 119 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/fbobject.c | 23 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/formats.c | 29 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/formats.h | 3 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/framebuffer.c | 10 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/image.c | 3884 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/mipmap.c | 20 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/mtypes.h | 2 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/pack.c | 83 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/pack.h | 294 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/readpix.c | 29 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/renderbuffer.c | 3 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/samplerobj.c | 2 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/shaderapi.c | 4 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/texenv.c | 6 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/texfetch.c | 2114 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/texfetch_tmp.h | 4781 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/texformat.c | 13 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/texobj.c | 2 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/texstore.c | 79 | ||||
| -rw-r--r-- | mesalib/src/mesa/main/uniforms.c | 4 |
22 files changed, 6206 insertions, 5620 deletions
diff --git a/mesalib/src/mesa/main/depthstencil.c b/mesalib/src/mesa/main/depthstencil.c index 0ce5a19f7..c8345ccff 100644 --- a/mesalib/src/mesa/main/depthstencil.c +++ b/mesalib/src/mesa/main/depthstencil.c @@ -393,6 +393,217 @@ _mesa_new_z24_renderbuffer_wrapper(struct gl_context *ctx, }
+static void
+get_row_z32f(struct gl_context *ctx, struct gl_renderbuffer *z32frb, GLuint count,
+ GLint x, GLint y, void *values)
+{
+ struct gl_renderbuffer *dsrb = z32frb->Wrapped;
+ GLfloat temp[MAX_WIDTH*2];
+ GLfloat *dst = (GLfloat *) values;
+ const GLfloat *src = (const GLfloat *) dsrb->GetPointer(ctx, dsrb, x, y);
+ GLuint i;
+ ASSERT(z32frb->DataType == GL_FLOAT);
+ ASSERT(dsrb->DataType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
+ ASSERT(dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8);
+ if (!src) {
+ dsrb->GetRow(ctx, dsrb, count, x, y, temp);
+ src = temp;
+ }
+ for (i = 0; i < count; i++) {
+ dst[i] = src[i*2];
+ }
+}
+
+static void
+get_values_z32f(struct gl_context *ctx, struct gl_renderbuffer *z32frb, GLuint count,
+ const GLint x[], const GLint y[], void *values)
+{
+ struct gl_renderbuffer *dsrb = z32frb->Wrapped;
+ GLfloat temp[MAX_WIDTH*2];
+ GLfloat *dst = (GLfloat *) values;
+ GLuint i;
+ ASSERT(z32frb->DataType == GL_FLOAT);
+ ASSERT(dsrb->DataType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
+ ASSERT(dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8);
+ ASSERT(count <= MAX_WIDTH);
+ /* don't bother trying direct access */
+ dsrb->GetValues(ctx, dsrb, count, x, y, temp);
+ for (i = 0; i < count; i++) {
+ dst[i] = temp[i*2];
+ }
+}
+
+static void
+put_row_z32f(struct gl_context *ctx, struct gl_renderbuffer *z32frb, GLuint count,
+ GLint x, GLint y, const void *values, const GLubyte *mask)
+{
+ struct gl_renderbuffer *dsrb = z32frb->Wrapped;
+ const GLfloat *src = (const GLfloat *) values;
+ GLfloat *dst = (GLfloat *) dsrb->GetPointer(ctx, dsrb, x, y);
+ ASSERT(z32frb->DataType == GL_FLOAT);
+ ASSERT(dsrb->DataType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
+ ASSERT(dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8);
+ if (dst) {
+ /* direct access */
+ GLuint i;
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ dst[i*2] = src[i];
+ }
+ }
+ }
+ else {
+ /* get, modify, put */
+ GLfloat temp[MAX_WIDTH*2];
+ GLuint i;
+ dsrb->GetRow(ctx, dsrb, count, x, y, temp);
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ temp[i*2] = src[i];
+ }
+ }
+ dsrb->PutRow(ctx, dsrb, count, x, y, temp, mask);
+ }
+}
+
+static void
+put_mono_row_z32f(struct gl_context *ctx, struct gl_renderbuffer *z32frb, GLuint count,
+ GLint x, GLint y, const void *value, const GLubyte *mask)
+{
+ struct gl_renderbuffer *dsrb = z32frb->Wrapped;
+ GLfloat *dst = (GLfloat *) dsrb->GetPointer(ctx, dsrb, x, y);
+ ASSERT(z32frb->DataType == GL_FLOAT);
+ ASSERT(dsrb->DataType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
+ ASSERT(dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8);
+ if (dst) {
+ /* direct access */
+ GLuint i;
+ const GLfloat val = *(GLfloat*)value;
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ dst[i*2] = val;
+ }
+ }
+ }
+ else {
+ /* get, modify, put */
+ GLfloat temp[MAX_WIDTH*2];
+ GLuint i;
+ const GLfloat val = *(GLfloat *)value;
+ dsrb->GetRow(ctx, dsrb, count, x, y, temp);
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ temp[i*2] = val;
+ }
+ }
+ dsrb->PutRow(ctx, dsrb, count, x, y, temp, mask);
+ }
+}
+
+static void
+put_values_z32f(struct gl_context *ctx, struct gl_renderbuffer *z32frb, GLuint count,
+ const GLint x[], const GLint y[],
+ const void *values, const GLubyte *mask)
+{
+ struct gl_renderbuffer *dsrb = z32frb->Wrapped;
+ const GLfloat *src = (const GLfloat *) values;
+ ASSERT(z32frb->DataType == GL_FLOAT);
+ ASSERT(dsrb->DataType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
+ ASSERT(dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8);
+ if (dsrb->GetPointer(ctx, dsrb, 0, 0)) {
+ /* direct access */
+ GLuint i;
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ GLfloat *dst = (GLfloat *) dsrb->GetPointer(ctx, dsrb, x[i], y[i]);
+ *dst = src[i];
+ }
+ }
+ }
+ else {
+ /* get, modify, put */
+ GLfloat temp[MAX_WIDTH*2];
+ GLuint i;
+ dsrb->GetValues(ctx, dsrb, count, x, y, temp);
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ temp[i*2] = src[i];
+ }
+ }
+ dsrb->PutValues(ctx, dsrb, count, x, y, temp, mask);
+ }
+}
+
+static void
+put_mono_values_z32f(struct gl_context *ctx, struct gl_renderbuffer *z32frb,
+ GLuint count, const GLint x[], const GLint y[],
+ const void *value, const GLubyte *mask)
+{
+ struct gl_renderbuffer *dsrb = z32frb->Wrapped;
+ GLfloat temp[MAX_WIDTH*2];
+ GLuint i;
+ const GLfloat val = *(GLfloat *)value;
+ ASSERT(z32frb->DataType == GL_FLOAT);
+ ASSERT(dsrb->DataType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
+ ASSERT(dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8);
+ /* get, modify, put */
+ dsrb->GetValues(ctx, dsrb, count, x, y, temp);
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ temp[i*2] = val;
+ }
+ }
+ dsrb->PutValues(ctx, dsrb, count, x, y, temp, mask);
+}
+
+
+/**
+ * Wrap the given GL_DEPTH_STENCIL renderbuffer so that it acts like
+ * a depth renderbuffer.
+ * \return new depth renderbuffer
+ */
+struct gl_renderbuffer *
+_mesa_new_z32f_renderbuffer_wrapper(struct gl_context *ctx,
+ struct gl_renderbuffer *dsrb)
+{
+ struct gl_renderbuffer *z32frb;
+
+ ASSERT(dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8);
+ ASSERT(dsrb->DataType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
+
+ z32frb = ctx->Driver.NewRenderbuffer(ctx, 0);
+ if (!z32frb)
+ return NULL;
+
+ /* NOTE: need to do manual refcounting here */
+ z32frb->Wrapped = dsrb;
+ dsrb->RefCount++;
+
+ z32frb->Name = dsrb->Name;
+ z32frb->RefCount = 0;
+ z32frb->Width = dsrb->Width;
+ z32frb->Height = dsrb->Height;
+ z32frb->RowStride = dsrb->RowStride;
+ z32frb->InternalFormat = GL_DEPTH_COMPONENT32F;
+ z32frb->Format = MESA_FORMAT_Z32_FLOAT;
+ z32frb->_BaseFormat = GL_DEPTH_COMPONENT;
+ z32frb->DataType = GL_FLOAT;
+ z32frb->Data = NULL;
+ z32frb->Delete = delete_wrapper;
+ z32frb->AllocStorage = alloc_wrapper_storage;
+ z32frb->GetPointer = nop_get_pointer;
+ z32frb->GetRow = get_row_z32f;
+ z32frb->GetValues = get_values_z32f;
+ z32frb->PutRow = put_row_z32f;
+ z32frb->PutRowRGB = NULL;
+ z32frb->PutMonoRow = put_mono_row_z32f;
+ z32frb->PutValues = put_values_z32f;
+ z32frb->PutMonoValues = put_mono_values_z32f;
+
+ return z32frb;
+}
+
+
/*======================================================================
* Stencil wrapper around depth/stencil renderbuffer
*/
@@ -402,16 +613,22 @@ get_row_s8(struct gl_context *ctx, struct gl_renderbuffer *s8rb, GLuint count, GLint x, GLint y, void *values)
{
struct gl_renderbuffer *dsrb = s8rb->Wrapped;
- GLuint temp[MAX_WIDTH], i;
+ GLuint temp[MAX_WIDTH*2], i;
GLubyte *dst = (GLubyte *) values;
const GLuint *src = (const GLuint *) dsrb->GetPointer(ctx, dsrb, x, y);
ASSERT(s8rb->DataType == GL_UNSIGNED_BYTE);
- ASSERT(dsrb->DataType == GL_UNSIGNED_INT_24_8_EXT);
+ ASSERT(dsrb->DataType == GL_UNSIGNED_INT_24_8_EXT ||
+ dsrb->DataType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
if (!src) {
dsrb->GetRow(ctx, dsrb, count, x, y, temp);
src = temp;
}
- if (dsrb->Format == MESA_FORMAT_Z24_S8) {
+ if (dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ for (i = 0; i < count; i++) {
+ dst[i] = src[i*2+1] & 0xff;
+ }
+ }
+ else if (dsrb->Format == MESA_FORMAT_Z24_S8) {
for (i = 0; i < count; i++) {
dst[i] = src[i] & 0xff;
}
@@ -429,14 +646,20 @@ get_values_s8(struct gl_context *ctx, struct gl_renderbuffer *s8rb, GLuint count const GLint x[], const GLint y[], void *values)
{
struct gl_renderbuffer *dsrb = s8rb->Wrapped;
- GLuint temp[MAX_WIDTH], i;
+ GLuint temp[MAX_WIDTH*2], i;
GLubyte *dst = (GLubyte *) values;
ASSERT(s8rb->DataType == GL_UNSIGNED_BYTE);
- ASSERT(dsrb->DataType == GL_UNSIGNED_INT_24_8_EXT);
+ ASSERT(dsrb->DataType == GL_UNSIGNED_INT_24_8_EXT ||
+ dsrb->DataType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
ASSERT(count <= MAX_WIDTH);
/* don't bother trying direct access */
dsrb->GetValues(ctx, dsrb, count, x, y, temp);
- if (dsrb->Format == MESA_FORMAT_Z24_S8) {
+ if (dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ for (i = 0; i < count; i++) {
+ dst[i] = temp[i*2+1] & 0xff;
+ }
+ }
+ else if (dsrb->Format == MESA_FORMAT_Z24_S8) {
for (i = 0; i < count; i++) {
dst[i] = temp[i] & 0xff;
}
@@ -457,11 +680,19 @@ put_row_s8(struct gl_context *ctx, struct gl_renderbuffer *s8rb, GLuint count, const GLubyte *src = (const GLubyte *) values;
GLuint *dst = (GLuint *) dsrb->GetPointer(ctx, dsrb, x, y);
ASSERT(s8rb->DataType == GL_UNSIGNED_BYTE);
- ASSERT(dsrb->DataType == GL_UNSIGNED_INT_24_8_EXT);
+ ASSERT(dsrb->DataType == GL_UNSIGNED_INT_24_8_EXT ||
+ dsrb->DataType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
if (dst) {
/* direct access */
GLuint i;
- if (dsrb->Format == MESA_FORMAT_Z24_S8) {
+ if (dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ dst[i*2+1] = src[i];
+ }
+ }
+ }
+ else if (dsrb->Format == MESA_FORMAT_Z24_S8) {
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
dst[i] = (dst[i] & 0xffffff00) | src[i];
@@ -479,9 +710,16 @@ put_row_s8(struct gl_context *ctx, struct gl_renderbuffer *s8rb, GLuint count, }
else {
/* get, modify, put */
- GLuint temp[MAX_WIDTH], i;
+ GLuint temp[MAX_WIDTH*2], i;
dsrb->GetRow(ctx, dsrb, count, x, y, temp);
- if (dsrb->Format == MESA_FORMAT_Z24_S8) {
+ if (dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ temp[i*2+1] = src[i];
+ }
+ }
+ }
+ else if (dsrb->Format == MESA_FORMAT_Z24_S8) {
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
temp[i] = (temp[i] & 0xffffff00) | src[i];
@@ -508,11 +746,19 @@ put_mono_row_s8(struct gl_context *ctx, struct gl_renderbuffer *s8rb, GLuint cou const GLubyte val = *((GLubyte *) value);
GLuint *dst = (GLuint *) dsrb->GetPointer(ctx, dsrb, x, y);
ASSERT(s8rb->DataType == GL_UNSIGNED_BYTE);
- ASSERT(dsrb->DataType == GL_UNSIGNED_INT_24_8_EXT);
+ ASSERT(dsrb->DataType == GL_UNSIGNED_INT_24_8_EXT ||
+ dsrb->DataType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
if (dst) {
/* direct access */
GLuint i;
- if (dsrb->Format == MESA_FORMAT_Z24_S8) {
+ if (dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ dst[i*2+1] = val;
+ }
+ }
+ }
+ else if (dsrb->Format == MESA_FORMAT_Z24_S8) {
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
dst[i] = (dst[i] & 0xffffff00) | val;
@@ -530,9 +776,16 @@ put_mono_row_s8(struct gl_context *ctx, struct gl_renderbuffer *s8rb, GLuint cou }
else {
/* get, modify, put */
- GLuint temp[MAX_WIDTH], i;
+ GLuint temp[MAX_WIDTH*2], i;
dsrb->GetRow(ctx, dsrb, count, x, y, temp);
- if (dsrb->Format == MESA_FORMAT_Z24_S8) {
+ if (dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ temp[i*2+1] = val;
+ }
+ }
+ }
+ else if (dsrb->Format == MESA_FORMAT_Z24_S8) {
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
temp[i] = (temp[i] & 0xffffff00) | val;
@@ -559,11 +812,20 @@ put_values_s8(struct gl_context *ctx, struct gl_renderbuffer *s8rb, GLuint count struct gl_renderbuffer *dsrb = s8rb->Wrapped;
const GLubyte *src = (const GLubyte *) values;
ASSERT(s8rb->DataType == GL_UNSIGNED_BYTE);
- ASSERT(dsrb->DataType == GL_UNSIGNED_INT_24_8_EXT);
+ ASSERT(dsrb->DataType == GL_UNSIGNED_INT_24_8_EXT ||
+ dsrb->DataType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
if (dsrb->GetPointer(ctx, dsrb, 0, 0)) {
/* direct access */
GLuint i;
- if (dsrb->Format == MESA_FORMAT_Z24_S8) {
+ if (dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ GLuint *dst = (GLuint *) dsrb->GetPointer(ctx, dsrb, x[i], y[i]);
+ dst[1] = src[i];
+ }
+ }
+ }
+ else if (dsrb->Format == MESA_FORMAT_Z24_S8) {
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
GLuint *dst = (GLuint *) dsrb->GetPointer(ctx, dsrb, x[i], y[i]);
@@ -583,9 +845,16 @@ put_values_s8(struct gl_context *ctx, struct gl_renderbuffer *s8rb, GLuint count }
else {
/* get, modify, put */
- GLuint temp[MAX_WIDTH], i;
+ GLuint temp[MAX_WIDTH*2], i;
dsrb->GetValues(ctx, dsrb, count, x, y, temp);
- if (dsrb->Format == MESA_FORMAT_Z24_S8) {
+ if (dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ temp[i*2+1] = src[i];
+ }
+ }
+ }
+ else if (dsrb->Format == MESA_FORMAT_Z24_S8) {
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
temp[i] = (temp[i] & 0xffffff00) | src[i];
@@ -610,11 +879,18 @@ put_mono_values_s8(struct gl_context *ctx, struct gl_renderbuffer *s8rb, GLuint const void *value, const GLubyte *mask)
{
struct gl_renderbuffer *dsrb = s8rb->Wrapped;
- GLuint temp[MAX_WIDTH], i;
+ GLuint temp[MAX_WIDTH*2], i;
const GLubyte val = *((GLubyte *) value);
/* get, modify, put */
dsrb->GetValues(ctx, dsrb, count, x, y, temp);
- if (dsrb->Format == MESA_FORMAT_Z24_S8) {
+ if (dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ temp[i*2+1] = val;
+ }
+ }
+ }
+ else if (dsrb->Format == MESA_FORMAT_Z24_S8) {
for (i = 0; i < count; i++) {
if (!mask || mask[i]) {
temp[i] = (temp[i] & 0xffffff00) | val;
@@ -644,8 +920,10 @@ _mesa_new_s8_renderbuffer_wrapper(struct gl_context *ctx, struct gl_renderbuffer struct gl_renderbuffer *s8rb;
ASSERT(dsrb->Format == MESA_FORMAT_Z24_S8 ||
- dsrb->Format == MESA_FORMAT_S8_Z24);
- ASSERT(dsrb->DataType == GL_UNSIGNED_INT_24_8_EXT);
+ dsrb->Format == MESA_FORMAT_S8_Z24 ||
+ dsrb->Format == MESA_FORMAT_Z32_FLOAT_X24S8);
+ ASSERT(dsrb->DataType == GL_UNSIGNED_INT_24_8_EXT ||
+ dsrb->DataType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
s8rb = ctx->Driver.NewRenderbuffer(ctx, 0);
if (!s8rb)
diff --git a/mesalib/src/mesa/main/depthstencil.h b/mesalib/src/mesa/main/depthstencil.h index a86f54d96..b47a2e482 100644 --- a/mesalib/src/mesa/main/depthstencil.h +++ b/mesalib/src/mesa/main/depthstencil.h @@ -1,57 +1,62 @@ -/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#ifndef DEPTHSTENCIL_H
-#define DEPTHSTENCIL_H
-
-struct gl_context;
-
-extern struct gl_renderbuffer *
-_mesa_new_z24_renderbuffer_wrapper(struct gl_context *ctx,
- struct gl_renderbuffer *dsrb);
-
-
-extern struct gl_renderbuffer *
-_mesa_new_s8_renderbuffer_wrapper(struct gl_context *ctx,
- struct gl_renderbuffer *dsrb);
-
-
-extern void
-_mesa_extract_stencil(struct gl_context *ctx,
- struct gl_renderbuffer *dsRb,
- struct gl_renderbuffer *stencilRb);
-
-
-extern void
-_mesa_insert_stencil(struct gl_context *ctx,
- struct gl_renderbuffer *dsRb,
- struct gl_renderbuffer *stencilRb);
-
-
-extern void
-_mesa_promote_stencil(struct gl_context *ctx, struct gl_renderbuffer *stencilRb);
-
-
-#endif /* DEPTHSTENCIL_H */
+/* + * Mesa 3-D graphics library + * Version: 6.5 + * + * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef DEPTHSTENCIL_H +#define DEPTHSTENCIL_H + +struct gl_context; + +extern struct gl_renderbuffer * +_mesa_new_z24_renderbuffer_wrapper(struct gl_context *ctx, + struct gl_renderbuffer *dsrb); + + +extern struct gl_renderbuffer * +_mesa_new_z32f_renderbuffer_wrapper(struct gl_context *ctx, + struct gl_renderbuffer *dsrb); + + +extern struct gl_renderbuffer * +_mesa_new_s8_renderbuffer_wrapper(struct gl_context *ctx, + struct gl_renderbuffer *dsrb); + + +extern void +_mesa_extract_stencil(struct gl_context *ctx, + struct gl_renderbuffer *dsRb, + struct gl_renderbuffer *stencilRb); + + +extern void +_mesa_insert_stencil(struct gl_context *ctx, + struct gl_renderbuffer *dsRb, + struct gl_renderbuffer *stencilRb); + + +extern void +_mesa_promote_stencil(struct gl_context *ctx, struct gl_renderbuffer *stencilRb); + + +#endif /* DEPTHSTENCIL_H */ diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c index 55376849e..7bb5f03f1 100644 --- a/mesalib/src/mesa/main/fbobject.c +++ b/mesalib/src/mesa/main/fbobject.c @@ -1131,6 +1131,16 @@ _mesa_base_fbo_format(struct gl_context *ctx, GLenum internalFormat) return GL_DEPTH_STENCIL_EXT;
else
return 0;
+ case GL_DEPTH_COMPONENT32F:
+ if (ctx->Extensions.ARB_depth_buffer_float)
+ return GL_DEPTH_COMPONENT;
+ else
+ return 0;
+ case GL_DEPTH32F_STENCIL8:
+ if (ctx->Extensions.ARB_depth_buffer_float)
+ return GL_DEPTH_STENCIL;
+ else
+ return 0;
case GL_RED:
case GL_R8:
case GL_R16:
@@ -2266,6 +2276,15 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment, /* special cases */
*params = GL_INDEX;
}
+ else if (format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ /* depends on the attachment parameter */
+ if (attachment == GL_STENCIL_ATTACHMENT) {
+ *params = GL_INDEX;
+ }
+ else {
+ *params = GL_FLOAT;
+ }
+ }
else {
*params = _mesa_get_format_datatype(format);
}
@@ -2584,6 +2603,10 @@ _mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, }
}
+ if (!mask) {
+ return;
+ }
+
ASSERT(ctx->Driver.BlitFramebuffer);
ctx->Driver.BlitFramebuffer(ctx,
srcX0, srcY0, srcX1, srcY1,
diff --git a/mesalib/src/mesa/main/formats.c b/mesalib/src/mesa/main/formats.c index b6210be61..251944212 100644 --- a/mesalib/src/mesa/main/formats.c +++ b/mesalib/src/mesa/main/formats.c @@ -1091,6 +1091,25 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] = 0, 0, 0, 0, 0,
1, 1, 4
},
+ /* ARB_depth_buffer_float */
+ {
+ MESA_FORMAT_Z32_FLOAT, /* Name */
+ "MESA_FORMAT_Z32_FLOAT", /* StrName */
+ GL_DEPTH_COMPONENT, /* BaseFormat */
+ GL_FLOAT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 32, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_Z32_FLOAT_X24S8, /* Name */
+ "MESA_FORMAT_Z32_FLOAT_X24S8", /* StrName */
+ GL_DEPTH_STENCIL, /* BaseFormat */
+ GL_NONE /* XXX */, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 32, 8, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 8 /* BlockWidth/Height,Bytes */
+ },
};
@@ -1654,6 +1673,16 @@ _mesa_format_to_type_and_comps(gl_format format, *comps = 1;
return;
+ case MESA_FORMAT_Z32_FLOAT:
+ *datatype = GL_FLOAT;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_Z32_FLOAT_X24S8:
+ *datatype = GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
+ *comps = 1;
+ return;
+
case MESA_FORMAT_DUDV8:
*datatype = GL_BYTE;
*comps = 2;
diff --git a/mesalib/src/mesa/main/formats.h b/mesalib/src/mesa/main/formats.h index 22488553e..9ac80b089 100644 --- a/mesalib/src/mesa/main/formats.h +++ b/mesalib/src/mesa/main/formats.h @@ -209,6 +209,9 @@ typedef enum MESA_FORMAT_RGB9_E5_FLOAT,
MESA_FORMAT_R11_G11_B10_FLOAT,
+ MESA_FORMAT_Z32_FLOAT,
+ MESA_FORMAT_Z32_FLOAT_X24S8,
+
MESA_FORMAT_COUNT
} gl_format;
diff --git a/mesalib/src/mesa/main/framebuffer.c b/mesalib/src/mesa/main/framebuffer.c index 6acfa7660..ac104a2ce 100644 --- a/mesalib/src/mesa/main/framebuffer.c +++ b/mesalib/src/mesa/main/framebuffer.c @@ -631,8 +631,14 @@ _mesa_update_depth_buffer(struct gl_context *ctx, || fb->_DepthBuffer->Wrapped != depthRb
|| _mesa_get_format_base_format(fb->_DepthBuffer->Format) != GL_DEPTH_COMPONENT) {
/* need to update wrapper */
- struct gl_renderbuffer *wrapper
- = _mesa_new_z24_renderbuffer_wrapper(ctx, depthRb);
+ struct gl_renderbuffer *wrapper;
+
+ if (depthRb->Format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ wrapper = _mesa_new_z32f_renderbuffer_wrapper(ctx, depthRb);
+ }
+ else {
+ wrapper = _mesa_new_z24_renderbuffer_wrapper(ctx, depthRb);
+ }
_mesa_reference_renderbuffer(&fb->_DepthBuffer, wrapper);
ASSERT(fb->_DepthBuffer->Wrapped == depthRb);
}
diff --git a/mesalib/src/mesa/main/image.c b/mesalib/src/mesa/main/image.c index a5cd5ac03..37127dcb7 100644 --- a/mesalib/src/mesa/main/image.c +++ b/mesalib/src/mesa/main/image.c @@ -1,1935 +1,1949 @@ -/*
- * Mesa 3-D graphics library
- * Version: 7.5
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file image.c
- * Image handling.
- */
-
-
-#include "glheader.h"
-#include "colormac.h"
-#include "image.h"
-#include "imports.h"
-#include "macros.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-
-
-/**
- * NOTE:
- * Normally, BYTE_TO_FLOAT(0) returns 0.00392 That causes problems when
- * we later convert the float to a packed integer value (such as for
- * GL_RGB5_A1) because we'll wind up with a non-zero value.
- *
- * We redefine the macros here so zero is handled correctly.
- */
-#undef BYTE_TO_FLOAT
-#define BYTE_TO_FLOAT(B) ((B) == 0 ? 0.0F : ((2.0F * (B) + 1.0F) * (1.0F/255.0F)))
-
-#undef SHORT_TO_FLOAT
-#define SHORT_TO_FLOAT(S) ((S) == 0 ? 0.0F : ((2.0F * (S) + 1.0F) * (1.0F/65535.0F)))
-
-
-
-/** Compute ceiling of integer quotient of A divided by B. */
-#define CEILING( A, B ) ( (A) % (B) == 0 ? (A)/(B) : (A)/(B)+1 )
-
-
-/**
- * \return GL_TRUE if type is packed pixel type, GL_FALSE otherwise.
- */
-GLboolean
-_mesa_type_is_packed(GLenum type)
-{
- switch (type) {
- case GL_UNSIGNED_BYTE_3_3_2:
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- case MESA_UNSIGNED_BYTE_4_4:
- case GL_UNSIGNED_SHORT_5_6_5:
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- case GL_UNSIGNED_SHORT_4_4_4_4:
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- case GL_UNSIGNED_SHORT_5_5_5_1:
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- case GL_UNSIGNED_INT_8_8_8_8:
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- case GL_UNSIGNED_INT_10_10_10_2:
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- case GL_UNSIGNED_SHORT_8_8_MESA:
- case GL_UNSIGNED_SHORT_8_8_REV_MESA:
- case GL_UNSIGNED_INT_24_8_EXT:
- case GL_UNSIGNED_INT_5_9_9_9_REV:
- case GL_UNSIGNED_INT_10F_11F_11F_REV:
- return GL_TRUE;
- }
-
- return GL_FALSE;
-}
-
-
-
-/**
- * Flip the order of the 2 bytes in each word in the given array.
- *
- * \param p array.
- * \param n number of words.
- */
-void
-_mesa_swap2( GLushort *p, GLuint n )
-{
- GLuint i;
- for (i = 0; i < n; i++) {
- p[i] = (p[i] >> 8) | ((p[i] << 8) & 0xff00);
- }
-}
-
-
-
-/*
- * Flip the order of the 4 bytes in each word in the given array.
- */
-void
-_mesa_swap4( GLuint *p, GLuint n )
-{
- GLuint i, a, b;
- for (i = 0; i < n; i++) {
- b = p[i];
- a = (b >> 24)
- | ((b >> 8) & 0xff00)
- | ((b << 8) & 0xff0000)
- | ((b << 24) & 0xff000000);
- p[i] = a;
- }
-}
-
-
-/**
- * Get the size of a GL data type.
- *
- * \param type GL data type.
- *
- * \return the size, in bytes, of the given data type, 0 if a GL_BITMAP, or -1
- * if an invalid type enum.
- */
-GLint
-_mesa_sizeof_type( GLenum type )
-{
- switch (type) {
- case GL_BITMAP:
- return 0;
- case GL_UNSIGNED_BYTE:
- return sizeof(GLubyte);
- case GL_BYTE:
- return sizeof(GLbyte);
- case GL_UNSIGNED_SHORT:
- return sizeof(GLushort);
- case GL_SHORT:
- return sizeof(GLshort);
- case GL_UNSIGNED_INT:
- return sizeof(GLuint);
- case GL_INT:
- return sizeof(GLint);
- case GL_FLOAT:
- return sizeof(GLfloat);
- case GL_DOUBLE:
- return sizeof(GLdouble);
- case GL_HALF_FLOAT_ARB:
- return sizeof(GLhalfARB);
- case GL_FIXED:
- return sizeof(GLfixed);
- default:
- return -1;
- }
-}
-
-
-/**
- * Same as _mesa_sizeof_type() but also accepting the packed pixel
- * format data types.
- */
-GLint
-_mesa_sizeof_packed_type( GLenum type )
-{
- switch (type) {
- case GL_BITMAP:
- return 0;
- case GL_UNSIGNED_BYTE:
- return sizeof(GLubyte);
- case GL_BYTE:
- return sizeof(GLbyte);
- case GL_UNSIGNED_SHORT:
- return sizeof(GLushort);
- case GL_SHORT:
- return sizeof(GLshort);
- case GL_UNSIGNED_INT:
- return sizeof(GLuint);
- case GL_INT:
- return sizeof(GLint);
- case GL_HALF_FLOAT_ARB:
- return sizeof(GLhalfARB);
- case GL_FLOAT:
- return sizeof(GLfloat);
- case GL_UNSIGNED_BYTE_3_3_2:
- return sizeof(GLubyte);
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- return sizeof(GLubyte);
- case MESA_UNSIGNED_BYTE_4_4:
- return sizeof(GLubyte);
- case GL_UNSIGNED_SHORT_5_6_5:
- return sizeof(GLushort);
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- return sizeof(GLushort);
- case GL_UNSIGNED_SHORT_4_4_4_4:
- return sizeof(GLushort);
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- return sizeof(GLushort);
- case GL_UNSIGNED_SHORT_5_5_5_1:
- return sizeof(GLushort);
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- return sizeof(GLushort);
- case GL_UNSIGNED_INT_8_8_8_8:
- return sizeof(GLuint);
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- return sizeof(GLuint);
- case GL_UNSIGNED_INT_10_10_10_2:
- return sizeof(GLuint);
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- return sizeof(GLuint);
- case GL_UNSIGNED_SHORT_8_8_MESA:
- case GL_UNSIGNED_SHORT_8_8_REV_MESA:
- return sizeof(GLushort);
- case GL_UNSIGNED_INT_24_8_EXT:
- return sizeof(GLuint);
- case GL_UNSIGNED_INT_5_9_9_9_REV:
- return sizeof(GLuint);
- case GL_UNSIGNED_INT_10F_11F_11F_REV:
- return sizeof(GLuint);
- default:
- return -1;
- }
-}
-
-
-/**
- * Get the number of components in a pixel format.
- *
- * \param format pixel format.
- *
- * \return the number of components in the given format, or -1 if a bad format.
- */
-GLint
-_mesa_components_in_format( GLenum format )
-{
- switch (format) {
- case GL_COLOR_INDEX:
- case GL_COLOR_INDEX1_EXT:
- case GL_COLOR_INDEX2_EXT:
- case GL_COLOR_INDEX4_EXT:
- case GL_COLOR_INDEX8_EXT:
- case GL_COLOR_INDEX12_EXT:
- case GL_COLOR_INDEX16_EXT:
- case GL_STENCIL_INDEX:
- case GL_DEPTH_COMPONENT:
- case GL_RED:
- case GL_RED_INTEGER_EXT:
- case GL_GREEN:
- case GL_GREEN_INTEGER_EXT:
- case GL_BLUE:
- case GL_BLUE_INTEGER_EXT:
- case GL_ALPHA:
- case GL_ALPHA_INTEGER_EXT:
- case GL_LUMINANCE:
- case GL_LUMINANCE_INTEGER_EXT:
- case GL_INTENSITY:
- return 1;
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE_ALPHA_INTEGER_EXT:
- case GL_RG:
- return 2;
- case GL_RGB:
- case GL_RGB_INTEGER_EXT:
- return 3;
- case GL_RGBA:
- case GL_RGBA_INTEGER_EXT:
- return 4;
- case GL_BGR:
- return 3;
- case GL_BGRA:
- return 4;
- case GL_ABGR_EXT:
- return 4;
- case GL_YCBCR_MESA:
- return 2;
- case GL_DEPTH_STENCIL_EXT:
- return 2;
- case GL_DUDV_ATI:
- case GL_DU8DV8_ATI:
- return 2;
- default:
- return -1;
- }
-}
-
-
-/**
- * Get the bytes per pixel of pixel format type pair.
- *
- * \param format pixel format.
- * \param type pixel type.
- *
- * \return bytes per pixel, or -1 if a bad format or type was given.
- */
-GLint
-_mesa_bytes_per_pixel( GLenum format, GLenum type )
-{
- GLint comps = _mesa_components_in_format( format );
- if (comps < 0)
- return -1;
-
- switch (type) {
- case GL_BITMAP:
- return 0; /* special case */
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- return comps * sizeof(GLubyte);
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- return comps * sizeof(GLshort);
- case GL_INT:
- case GL_UNSIGNED_INT:
- return comps * sizeof(GLint);
- case GL_FLOAT:
- return comps * sizeof(GLfloat);
- case GL_HALF_FLOAT_ARB:
- return comps * sizeof(GLhalfARB);
- case GL_UNSIGNED_BYTE_3_3_2:
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- if (format == GL_RGB || format == GL_BGR ||
- format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT)
- return sizeof(GLubyte);
- else
- return -1; /* error */
- case GL_UNSIGNED_SHORT_5_6_5:
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- if (format == GL_RGB || format == GL_BGR ||
- format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT)
- return sizeof(GLushort);
- else
- return -1; /* error */
- case GL_UNSIGNED_SHORT_4_4_4_4:
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- case GL_UNSIGNED_SHORT_5_5_5_1:
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT ||
- format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT)
- return sizeof(GLushort);
- else
- return -1;
- case GL_UNSIGNED_INT_8_8_8_8:
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- case GL_UNSIGNED_INT_10_10_10_2:
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT ||
- format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT)
- return sizeof(GLuint);
- else
- return -1;
- case GL_UNSIGNED_SHORT_8_8_MESA:
- case GL_UNSIGNED_SHORT_8_8_REV_MESA:
- if (format == GL_YCBCR_MESA)
- return sizeof(GLushort);
- else
- return -1;
- case GL_UNSIGNED_INT_24_8_EXT:
- if (format == GL_DEPTH_STENCIL_EXT)
- return sizeof(GLuint);
- else
- return -1;
- case GL_UNSIGNED_INT_5_9_9_9_REV:
- if (format == GL_RGB)
- return sizeof(GLuint);
- else
- return -1;
- case GL_UNSIGNED_INT_10F_11F_11F_REV:
- if (format == GL_RGB)
- return sizeof(GLuint);
- else
- return -1;
- default:
- return -1;
- }
-}
-
-
-/**
- * Test for a legal pixel format and type.
- *
- * \param format pixel format.
- * \param type pixel type.
- *
- * \return GL_TRUE if the given pixel format and type are legal, or GL_FALSE
- * otherwise.
- */
-GLboolean
-_mesa_is_legal_format_and_type(const struct gl_context *ctx,
- GLenum format, GLenum type)
-{
- switch (format) {
- case GL_COLOR_INDEX:
- case GL_STENCIL_INDEX:
- switch (type) {
- case GL_BITMAP:
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- return GL_TRUE;
- case GL_HALF_FLOAT_ARB:
- return ctx->Extensions.ARB_half_float_pixel;
- default:
- return GL_FALSE;
- }
- case GL_RED:
- case GL_GREEN:
- case GL_BLUE:
- case GL_ALPHA:
-#if 0 /* not legal! see table 3.6 of the 1.5 spec */
- case GL_INTENSITY:
-#endif
- case GL_LUMINANCE:
- case GL_LUMINANCE_ALPHA:
- case GL_DEPTH_COMPONENT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- return GL_TRUE;
- case GL_HALF_FLOAT_ARB:
- return ctx->Extensions.ARB_half_float_pixel;
- default:
- return GL_FALSE;
- }
- case GL_RG:
- if (!ctx->Extensions.ARB_texture_rg)
- return GL_FALSE;
-
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- return GL_TRUE;
- case GL_HALF_FLOAT_ARB:
- return ctx->Extensions.ARB_half_float_pixel;
- default:
- return GL_FALSE;
- }
- case GL_RGB:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- case GL_UNSIGNED_BYTE_3_3_2:
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- case GL_UNSIGNED_SHORT_5_6_5:
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- return GL_TRUE;
- case GL_HALF_FLOAT_ARB:
- return ctx->Extensions.ARB_half_float_pixel;
- case GL_UNSIGNED_INT_5_9_9_9_REV:
- return ctx->Extensions.EXT_texture_shared_exponent;
- case GL_UNSIGNED_INT_10F_11F_11F_REV:
- return ctx->Extensions.EXT_packed_float;
- default:
- return GL_FALSE;
- }
- case GL_BGR:
- switch (type) {
- /* NOTE: no packed types are supported with BGR. That's
- * intentional, according to the GL spec.
- */
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- return GL_TRUE;
- case GL_HALF_FLOAT_ARB:
- return ctx->Extensions.ARB_half_float_pixel;
- default:
- return GL_FALSE;
- }
- case GL_RGBA:
- case GL_BGRA:
- case GL_ABGR_EXT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- case GL_UNSIGNED_SHORT_4_4_4_4:
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- case GL_UNSIGNED_SHORT_5_5_5_1:
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- case GL_UNSIGNED_INT_8_8_8_8:
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- case GL_UNSIGNED_INT_10_10_10_2:
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- return GL_TRUE;
- case GL_HALF_FLOAT_ARB:
- return ctx->Extensions.ARB_half_float_pixel;
- default:
- return GL_FALSE;
- }
- case GL_YCBCR_MESA:
- if (type == GL_UNSIGNED_SHORT_8_8_MESA ||
- type == GL_UNSIGNED_SHORT_8_8_REV_MESA)
- return GL_TRUE;
- else
- return GL_FALSE;
- case GL_DEPTH_STENCIL_EXT:
- if (ctx->Extensions.EXT_packed_depth_stencil
- && type == GL_UNSIGNED_INT_24_8_EXT)
- return GL_TRUE;
- else
- return GL_FALSE;
- case GL_DUDV_ATI:
- case GL_DU8DV8_ATI:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-
- /* integer-valued formats */
- case GL_RED_INTEGER_EXT:
- case GL_GREEN_INTEGER_EXT:
- case GL_BLUE_INTEGER_EXT:
- case GL_ALPHA_INTEGER_EXT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- return ctx->Extensions.EXT_texture_integer;
- default:
- return GL_FALSE;
- }
-
- case GL_RGB_INTEGER_EXT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_UNSIGNED_BYTE_3_3_2:
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- case GL_UNSIGNED_SHORT_5_6_5:
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- return ctx->Extensions.EXT_texture_integer;
- default:
- return GL_FALSE;
- }
-
- case GL_BGR_INTEGER_EXT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- /* NOTE: no packed formats w/ BGR format */
- return ctx->Extensions.EXT_texture_integer;
- default:
- return GL_FALSE;
- }
-
- case GL_RGBA_INTEGER_EXT:
- case GL_BGRA_INTEGER_EXT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_UNSIGNED_SHORT_4_4_4_4:
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- case GL_UNSIGNED_SHORT_5_5_5_1:
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- case GL_UNSIGNED_INT_8_8_8_8:
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- case GL_UNSIGNED_INT_10_10_10_2:
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- return ctx->Extensions.EXT_texture_integer;
- default:
- return GL_FALSE;
- }
-
- case GL_LUMINANCE_INTEGER_EXT:
- case GL_LUMINANCE_ALPHA_INTEGER_EXT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- return ctx->Extensions.EXT_texture_integer;
- default:
- return GL_FALSE;
- }
-
- default:
- ; /* fall-through */
- }
- return GL_FALSE;
-}
-
-
-/**
- * Test if the given image format is a color/RGBA format (i.e., not color
- * index, depth, stencil, etc).
- * \param format the image format value (may by an internal texture format)
- * \return GL_TRUE if its a color/RGBA format, GL_FALSE otherwise.
- */
-GLboolean
-_mesa_is_color_format(GLenum format)
-{
- switch (format) {
- case GL_RED:
- case GL_GREEN:
- case GL_BLUE:
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_ALPHA12:
- case GL_ALPHA16:
- case 1:
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- case 2:
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE4_ALPHA4:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- case GL_R8:
- case GL_R16:
- case GL_RG:
- case GL_RG8:
- case GL_RG16:
- case 3:
- case GL_RGB:
- case GL_BGR:
- case GL_R3_G3_B2:
- case GL_RGB4:
- case GL_RGB5:
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- case 4:
- case GL_ABGR_EXT:
- case GL_RGBA:
- case GL_BGRA:
- case GL_RGBA2:
- case GL_RGBA4:
- case GL_RGB5_A1:
- case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- /* float texture formats */
- case GL_ALPHA16F_ARB:
- case GL_ALPHA32F_ARB:
- case GL_LUMINANCE16F_ARB:
- case GL_LUMINANCE32F_ARB:
- case GL_LUMINANCE_ALPHA16F_ARB:
- case GL_LUMINANCE_ALPHA32F_ARB:
- case GL_INTENSITY16F_ARB:
- case GL_INTENSITY32F_ARB:
- case GL_R16F:
- case GL_R32F:
- case GL_RG16F:
- case GL_RG32F:
- case GL_RGB16F_ARB:
- case GL_RGB32F_ARB:
- case GL_RGBA16F_ARB:
- case GL_RGBA32F_ARB:
- /* compressed formats */
- case GL_COMPRESSED_ALPHA:
- case GL_COMPRESSED_LUMINANCE:
- case GL_COMPRESSED_LUMINANCE_ALPHA:
- case GL_COMPRESSED_INTENSITY:
- case GL_COMPRESSED_RED:
- case GL_COMPRESSED_RG:
- case GL_COMPRESSED_RGB:
- case GL_COMPRESSED_RGBA:
- case GL_RGB_S3TC:
- case GL_RGB4_S3TC:
- case GL_RGBA_S3TC:
- case GL_RGBA4_S3TC:
- case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
-#if FEATURE_EXT_texture_sRGB
- case GL_SRGB_EXT:
- case GL_SRGB8_EXT:
- case GL_SRGB_ALPHA_EXT:
- case GL_SRGB8_ALPHA8_EXT:
- case GL_SLUMINANCE_ALPHA_EXT:
- case GL_SLUMINANCE8_ALPHA8_EXT:
- case GL_SLUMINANCE_EXT:
- case GL_SLUMINANCE8_EXT:
- case GL_COMPRESSED_SRGB_EXT:
- case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
- case GL_COMPRESSED_SLUMINANCE_EXT:
- case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
-#endif /* FEATURE_EXT_texture_sRGB */
- case GL_COMPRESSED_RED_RGTC1:
- case GL_COMPRESSED_SIGNED_RED_RGTC1:
- case GL_COMPRESSED_RG_RGTC2:
- case GL_COMPRESSED_SIGNED_RG_RGTC2:
- case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
- case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
- case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
- case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
- case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
- /* generic integer formats */
- case GL_RED_INTEGER_EXT:
- case GL_GREEN_INTEGER_EXT:
- case GL_BLUE_INTEGER_EXT:
- case GL_ALPHA_INTEGER_EXT:
- case GL_RGB_INTEGER_EXT:
- case GL_RGBA_INTEGER_EXT:
- case GL_BGR_INTEGER_EXT:
- case GL_BGRA_INTEGER_EXT:
- case GL_LUMINANCE_INTEGER_EXT:
- case GL_LUMINANCE_ALPHA_INTEGER_EXT:
- /* sized integer formats */
- case GL_RGBA32UI_EXT:
- case GL_RGB32UI_EXT:
- case GL_ALPHA32UI_EXT:
- case GL_INTENSITY32UI_EXT:
- case GL_LUMINANCE32UI_EXT:
- case GL_LUMINANCE_ALPHA32UI_EXT:
- case GL_RGBA16UI_EXT:
- case GL_RGB16UI_EXT:
- case GL_ALPHA16UI_EXT:
- case GL_INTENSITY16UI_EXT:
- case GL_LUMINANCE16UI_EXT:
- case GL_LUMINANCE_ALPHA16UI_EXT:
- case GL_RGBA8UI_EXT:
- case GL_RGB8UI_EXT:
- case GL_ALPHA8UI_EXT:
- case GL_INTENSITY8UI_EXT:
- case GL_LUMINANCE8UI_EXT:
- case GL_LUMINANCE_ALPHA8UI_EXT:
- case GL_RGBA32I_EXT:
- case GL_RGB32I_EXT:
- case GL_ALPHA32I_EXT:
- case GL_INTENSITY32I_EXT:
- case GL_LUMINANCE32I_EXT:
- case GL_LUMINANCE_ALPHA32I_EXT:
- case GL_RGBA16I_EXT:
- case GL_RGB16I_EXT:
- case GL_ALPHA16I_EXT:
- case GL_INTENSITY16I_EXT:
- case GL_LUMINANCE16I_EXT:
- case GL_LUMINANCE_ALPHA16I_EXT:
- case GL_RGBA8I_EXT:
- case GL_RGB8I_EXT:
- case GL_ALPHA8I_EXT:
- case GL_INTENSITY8I_EXT:
- case GL_LUMINANCE8I_EXT:
- case GL_LUMINANCE_ALPHA8I_EXT:
- /* signed, normalized texture formats */
- case GL_RED_SNORM:
- case GL_R8_SNORM:
- case GL_R16_SNORM:
- case GL_RG_SNORM:
- case GL_RG8_SNORM:
- case GL_RG16_SNORM:
- case GL_RGB_SNORM:
- case GL_RGB8_SNORM:
- case GL_RGB16_SNORM:
- case GL_RGBA_SNORM:
- case GL_RGBA8_SNORM:
- case GL_RGBA16_SNORM:
- case GL_ALPHA_SNORM:
- case GL_ALPHA8_SNORM:
- case GL_ALPHA16_SNORM:
- case GL_LUMINANCE_SNORM:
- case GL_LUMINANCE8_SNORM:
- case GL_LUMINANCE16_SNORM:
- case GL_LUMINANCE_ALPHA_SNORM:
- case GL_LUMINANCE8_ALPHA8_SNORM:
- case GL_LUMINANCE16_ALPHA16_SNORM:
- case GL_INTENSITY_SNORM:
- case GL_INTENSITY8_SNORM:
- case GL_INTENSITY16_SNORM:
- case GL_RGB9_E5:
- case GL_R11F_G11F_B10F:
- return GL_TRUE;
- case GL_YCBCR_MESA: /* not considered to be RGB */
- /* fall-through */
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a color index format.
- */
-GLboolean
-_mesa_is_index_format(GLenum format)
-{
- switch (format) {
- case GL_COLOR_INDEX:
- case GL_COLOR_INDEX1_EXT:
- case GL_COLOR_INDEX2_EXT:
- case GL_COLOR_INDEX4_EXT:
- case GL_COLOR_INDEX8_EXT:
- case GL_COLOR_INDEX12_EXT:
- case GL_COLOR_INDEX16_EXT:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a depth component format.
- */
-GLboolean
-_mesa_is_depth_format(GLenum format)
-{
- switch (format) {
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT16:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a stencil format.
- */
-GLboolean
-_mesa_is_stencil_format(GLenum format)
-{
- switch (format) {
- case GL_STENCIL_INDEX:
- case GL_DEPTH_STENCIL:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a YCbCr format.
- */
-GLboolean
-_mesa_is_ycbcr_format(GLenum format)
-{
- switch (format) {
- case GL_YCBCR_MESA:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a depth+stencil format.
- */
-GLboolean
-_mesa_is_depthstencil_format(GLenum format)
-{
- switch (format) {
- case GL_DEPTH24_STENCIL8_EXT:
- case GL_DEPTH_STENCIL_EXT:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a depth or stencil format.
- */
-GLboolean
-_mesa_is_depth_or_stencil_format(GLenum format)
-{
- switch (format) {
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT16:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
- case GL_STENCIL_INDEX:
- case GL_STENCIL_INDEX1_EXT:
- case GL_STENCIL_INDEX4_EXT:
- case GL_STENCIL_INDEX8_EXT:
- case GL_STENCIL_INDEX16_EXT:
- case GL_DEPTH_STENCIL_EXT:
- case GL_DEPTH24_STENCIL8_EXT:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a dudv format.
- */
-GLboolean
-_mesa_is_dudv_format(GLenum format)
-{
- switch (format) {
- case GL_DUDV_ATI:
- case GL_DU8DV8_ATI:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given format is an integer (non-normalized) format.
- */
-GLboolean
-_mesa_is_integer_format(GLenum format)
-{
- switch (format) {
- /* generic integer formats */
- case GL_RED_INTEGER_EXT:
- case GL_GREEN_INTEGER_EXT:
- case GL_BLUE_INTEGER_EXT:
- case GL_ALPHA_INTEGER_EXT:
- case GL_RGB_INTEGER_EXT:
- case GL_RGBA_INTEGER_EXT:
- case GL_BGR_INTEGER_EXT:
- case GL_BGRA_INTEGER_EXT:
- case GL_LUMINANCE_INTEGER_EXT:
- case GL_LUMINANCE_ALPHA_INTEGER_EXT:
- /* specific integer formats */
- case GL_RGBA32UI_EXT:
- case GL_RGB32UI_EXT:
- case GL_ALPHA32UI_EXT:
- case GL_INTENSITY32UI_EXT:
- case GL_LUMINANCE32UI_EXT:
- case GL_LUMINANCE_ALPHA32UI_EXT:
- case GL_RGBA16UI_EXT:
- case GL_RGB16UI_EXT:
- case GL_ALPHA16UI_EXT:
- case GL_INTENSITY16UI_EXT:
- case GL_LUMINANCE16UI_EXT:
- case GL_LUMINANCE_ALPHA16UI_EXT:
- case GL_RGBA8UI_EXT:
- case GL_RGB8UI_EXT:
- case GL_ALPHA8UI_EXT:
- case GL_INTENSITY8UI_EXT:
- case GL_LUMINANCE8UI_EXT:
- case GL_LUMINANCE_ALPHA8UI_EXT:
- case GL_RGBA32I_EXT:
- case GL_RGB32I_EXT:
- case GL_ALPHA32I_EXT:
- case GL_INTENSITY32I_EXT:
- case GL_LUMINANCE32I_EXT:
- case GL_LUMINANCE_ALPHA32I_EXT:
- case GL_RGBA16I_EXT:
- case GL_RGB16I_EXT:
- case GL_ALPHA16I_EXT:
- case GL_INTENSITY16I_EXT:
- case GL_LUMINANCE16I_EXT:
- case GL_LUMINANCE_ALPHA16I_EXT:
- case GL_RGBA8I_EXT:
- case GL_RGB8I_EXT:
- case GL_ALPHA8I_EXT:
- case GL_INTENSITY8I_EXT:
- case GL_LUMINANCE8I_EXT:
- case GL_LUMINANCE_ALPHA8I_EXT:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if an image format is a supported compressed format.
- * \param format the internal format token provided by the user.
- * \return GL_TRUE if compressed, GL_FALSE if uncompressed
- */
-GLboolean
-_mesa_is_compressed_format(struct gl_context *ctx, GLenum format)
-{
- switch (format) {
- case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- return ctx->Extensions.EXT_texture_compression_s3tc;
- case GL_RGB_S3TC:
- case GL_RGB4_S3TC:
- case GL_RGBA_S3TC:
- case GL_RGBA4_S3TC:
- return ctx->Extensions.S3_s3tc;
- case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
- return ctx->Extensions.EXT_texture_sRGB
- && ctx->Extensions.EXT_texture_compression_s3tc;
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
- return ctx->Extensions.TDFX_texture_compression_FXT1;
- case GL_COMPRESSED_RED_RGTC1:
- case GL_COMPRESSED_SIGNED_RED_RGTC1:
- case GL_COMPRESSED_RG_RGTC2:
- case GL_COMPRESSED_SIGNED_RG_RGTC2:
- return ctx->Extensions.ARB_texture_compression_rgtc;
- case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
- case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
- case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
- case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
- return ctx->Extensions.EXT_texture_compression_latc;
- case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
- return ctx->Extensions.ATI_texture_compression_3dc;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Return the address of a specific pixel in an image (1D, 2D or 3D).
- *
- * Pixel unpacking/packing parameters are observed according to \p packing.
- *
- * \param dimensions either 1, 2 or 3 to indicate dimensionality of image
- * \param image starting address of image data
- * \param width the image width
- * \param height theimage height
- * \param format the pixel format
- * \param type the pixel data type
- * \param packing the pixelstore attributes
- * \param img which image in the volume (0 for 1D or 2D images)
- * \param row row of pixel in the image (0 for 1D images)
- * \param column column of pixel in the image
- *
- * \return address of pixel on success, or NULL on error.
- *
- * \sa gl_pixelstore_attrib.
- */
-GLvoid *
-_mesa_image_address( GLuint dimensions,
- const struct gl_pixelstore_attrib *packing,
- const GLvoid *image,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- GLint img, GLint row, GLint column )
-{
- GLint alignment; /* 1, 2 or 4 */
- GLint pixels_per_row;
- GLint rows_per_image;
- GLint skiprows;
- GLint skippixels;
- GLint skipimages; /* for 3-D volume images */
- GLubyte *pixel_addr;
-
- ASSERT(dimensions >= 1 && dimensions <= 3);
-
- alignment = packing->Alignment;
- if (packing->RowLength > 0) {
- pixels_per_row = packing->RowLength;
- }
- else {
- pixels_per_row = width;
- }
- if (packing->ImageHeight > 0) {
- rows_per_image = packing->ImageHeight;
- }
- else {
- rows_per_image = height;
- }
-
- skippixels = packing->SkipPixels;
- /* Note: SKIP_ROWS _is_ used for 1D images */
- skiprows = packing->SkipRows;
- /* Note: SKIP_IMAGES is only used for 3D images */
- skipimages = (dimensions == 3) ? packing->SkipImages : 0;
-
- if (type == GL_BITMAP) {
- /* BITMAP data */
- GLint comp_per_pixel; /* components per pixel */
- GLint bytes_per_comp; /* bytes per component */
- GLint bytes_per_row;
- GLint bytes_per_image;
-
- /* Compute bytes per component */
- bytes_per_comp = _mesa_sizeof_packed_type( type );
- if (bytes_per_comp < 0) {
- return NULL;
- }
-
- /* Compute number of components per pixel */
- comp_per_pixel = _mesa_components_in_format( format );
- if (comp_per_pixel < 0) {
- return NULL;
- }
-
- bytes_per_row = alignment
- * CEILING( comp_per_pixel*pixels_per_row, 8*alignment );
-
- bytes_per_image = bytes_per_row * rows_per_image;
-
- pixel_addr = (GLubyte *) image
- + (skipimages + img) * bytes_per_image
- + (skiprows + row) * bytes_per_row
- + (skippixels + column) / 8;
- }
- else {
- /* Non-BITMAP data */
- GLint bytes_per_pixel, bytes_per_row, remainder, bytes_per_image;
- GLint topOfImage;
-
- bytes_per_pixel = _mesa_bytes_per_pixel( format, type );
-
- /* The pixel type and format should have been error checked earlier */
- assert(bytes_per_pixel > 0);
-
- bytes_per_row = pixels_per_row * bytes_per_pixel;
- remainder = bytes_per_row % alignment;
- if (remainder > 0)
- bytes_per_row += (alignment - remainder);
-
- ASSERT(bytes_per_row % alignment == 0);
-
- bytes_per_image = bytes_per_row * rows_per_image;
-
- if (packing->Invert) {
- /* set pixel_addr to the last row */
- topOfImage = bytes_per_row * (height - 1);
- bytes_per_row = -bytes_per_row;
- }
- else {
- topOfImage = 0;
- }
-
- /* compute final pixel address */
- pixel_addr = (GLubyte *) image
- + (skipimages + img) * bytes_per_image
- + topOfImage
- + (skiprows + row) * bytes_per_row
- + (skippixels + column) * bytes_per_pixel;
- }
-
- return (GLvoid *) pixel_addr;
-}
-
-
-GLvoid *
-_mesa_image_address1d( const struct gl_pixelstore_attrib *packing,
- const GLvoid *image,
- GLsizei width,
- GLenum format, GLenum type,
- GLint column )
-{
- return _mesa_image_address(1, packing, image, width, 1,
- format, type, 0, 0, column);
-}
-
-
-GLvoid *
-_mesa_image_address2d( const struct gl_pixelstore_attrib *packing,
- const GLvoid *image,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- GLint row, GLint column )
-{
- return _mesa_image_address(2, packing, image, width, height,
- format, type, 0, row, column);
-}
-
-
-GLvoid *
-_mesa_image_address3d( const struct gl_pixelstore_attrib *packing,
- const GLvoid *image,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- GLint img, GLint row, GLint column )
-{
- return _mesa_image_address(3, packing, image, width, height,
- format, type, img, row, column);
-}
-
-
-
-/**
- * Compute the stride (in bytes) between image rows.
- *
- * \param packing the pixelstore attributes
- * \param width image width.
- * \param format pixel format.
- * \param type pixel data type.
- *
- * \return the stride in bytes for the given parameters, or -1 if error
- */
-GLint
-_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
- GLint width, GLenum format, GLenum type )
-{
- GLint bytesPerRow, remainder;
-
- ASSERT(packing);
-
- if (type == GL_BITMAP) {
- if (packing->RowLength == 0) {
- bytesPerRow = (width + 7) / 8;
- }
- else {
- bytesPerRow = (packing->RowLength + 7) / 8;
- }
- }
- else {
- /* Non-BITMAP data */
- const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type);
- if (bytesPerPixel <= 0)
- return -1; /* error */
- if (packing->RowLength == 0) {
- bytesPerRow = bytesPerPixel * width;
- }
- else {
- bytesPerRow = bytesPerPixel * packing->RowLength;
- }
- }
-
- remainder = bytesPerRow % packing->Alignment;
- if (remainder > 0) {
- bytesPerRow += (packing->Alignment - remainder);
- }
-
- if (packing->Invert) {
- /* negate the bytes per row (negative row stride) */
- bytesPerRow = -bytesPerRow;
- }
-
- return bytesPerRow;
-}
-
-
-/*
- * Compute the stride between images in a 3D texture (in bytes) for the given
- * pixel packing parameters and image width, format and type.
- */
-GLint
-_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing,
- GLint width, GLint height,
- GLenum format, GLenum type )
-{
- GLint bytesPerRow, bytesPerImage, remainder;
-
- ASSERT(packing);
-
- if (type == GL_BITMAP) {
- if (packing->RowLength == 0) {
- bytesPerRow = (width + 7) / 8;
- }
- else {
- bytesPerRow = (packing->RowLength + 7) / 8;
- }
- }
- else {
- const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type);
-
- if (bytesPerPixel <= 0)
- return -1; /* error */
- if (packing->RowLength == 0) {
- bytesPerRow = bytesPerPixel * width;
- }
- else {
- bytesPerRow = bytesPerPixel * packing->RowLength;
- }
- }
-
- remainder = bytesPerRow % packing->Alignment;
- if (remainder > 0)
- bytesPerRow += (packing->Alignment - remainder);
-
- if (packing->ImageHeight == 0)
- bytesPerImage = bytesPerRow * height;
- else
- bytesPerImage = bytesPerRow * packing->ImageHeight;
-
- return bytesPerImage;
-}
-
-
-
-/**
- * "Expand" a bitmap from 1-bit per pixel to 8-bits per pixel.
- * This is typically used to convert a bitmap into a GLubyte/pixel texture.
- * "On" bits will set texels to \p onValue.
- * "Off" bits will not modify texels.
- * \param width src bitmap width in pixels
- * \param height src bitmap height in pixels
- * \param unpack bitmap unpacking state
- * \param bitmap the src bitmap data
- * \param destBuffer start of dest buffer
- * \param destStride row stride in dest buffer
- * \param onValue if bit is 1, set destBuffer pixel to this value
- */
-void
-_mesa_expand_bitmap(GLsizei width, GLsizei height,
- const struct gl_pixelstore_attrib *unpack,
- const GLubyte *bitmap,
- GLubyte *destBuffer, GLint destStride,
- GLubyte onValue)
-{
- const GLubyte *srcRow = (const GLubyte *)
- _mesa_image_address2d(unpack, bitmap, width, height,
- GL_COLOR_INDEX, GL_BITMAP, 0, 0);
- const GLint srcStride = _mesa_image_row_stride(unpack, width,
- GL_COLOR_INDEX, GL_BITMAP);
- GLint row, col;
-
-#define SET_PIXEL(COL, ROW) \
- destBuffer[(ROW) * destStride + (COL)] = onValue;
-
- for (row = 0; row < height; row++) {
- const GLubyte *src = srcRow;
-
- if (unpack->LsbFirst) {
- /* Lsb first */
- GLubyte mask = 1U << (unpack->SkipPixels & 0x7);
- for (col = 0; col < width; col++) {
-
- if (*src & mask) {
- SET_PIXEL(col, row);
- }
-
- if (mask == 128U) {
- src++;
- mask = 1U;
- }
- else {
- mask = mask << 1;
- }
- }
-
- /* get ready for next row */
- if (mask != 1)
- src++;
- }
- else {
- /* Msb first */
- GLubyte mask = 128U >> (unpack->SkipPixels & 0x7);
- for (col = 0; col < width; col++) {
-
- if (*src & mask) {
- SET_PIXEL(col, row);
- }
-
- if (mask == 1U) {
- src++;
- mask = 128U;
- }
- else {
- mask = mask >> 1;
- }
- }
-
- /* get ready for next row */
- if (mask != 128)
- src++;
- }
-
- srcRow += srcStride;
- } /* row */
-
-#undef SET_PIXEL
-}
-
-
-
-
-/**
- * Convert an array of RGBA colors from one datatype to another.
- * NOTE: src may equal dst. In that case, we use a temporary buffer.
- */
-void
-_mesa_convert_colors(GLenum srcType, const GLvoid *src,
- GLenum dstType, GLvoid *dst,
- GLuint count, const GLubyte mask[])
-{
- GLuint tempBuffer[MAX_WIDTH][4];
- const GLboolean useTemp = (src == dst);
-
- ASSERT(srcType != dstType);
-
- switch (srcType) {
- case GL_UNSIGNED_BYTE:
- if (dstType == GL_UNSIGNED_SHORT) {
- const GLubyte (*src1)[4] = (const GLubyte (*)[4]) src;
- GLushort (*dst2)[4] = (GLushort (*)[4]) (useTemp ? tempBuffer : dst);
- GLuint i;
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- dst2[i][RCOMP] = UBYTE_TO_USHORT(src1[i][RCOMP]);
- dst2[i][GCOMP] = UBYTE_TO_USHORT(src1[i][GCOMP]);
- dst2[i][BCOMP] = UBYTE_TO_USHORT(src1[i][BCOMP]);
- dst2[i][ACOMP] = UBYTE_TO_USHORT(src1[i][ACOMP]);
- }
- }
- if (useTemp)
- memcpy(dst, tempBuffer, count * 4 * sizeof(GLushort));
- }
- else {
- const GLubyte (*src1)[4] = (const GLubyte (*)[4]) src;
- GLfloat (*dst4)[4] = (GLfloat (*)[4]) (useTemp ? tempBuffer : dst);
- GLuint i;
- ASSERT(dstType == GL_FLOAT);
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- dst4[i][RCOMP] = UBYTE_TO_FLOAT(src1[i][RCOMP]);
- dst4[i][GCOMP] = UBYTE_TO_FLOAT(src1[i][GCOMP]);
- dst4[i][BCOMP] = UBYTE_TO_FLOAT(src1[i][BCOMP]);
- dst4[i][ACOMP] = UBYTE_TO_FLOAT(src1[i][ACOMP]);
- }
- }
- if (useTemp)
- memcpy(dst, tempBuffer, count * 4 * sizeof(GLfloat));
- }
- break;
- case GL_UNSIGNED_SHORT:
- if (dstType == GL_UNSIGNED_BYTE) {
- const GLushort (*src2)[4] = (const GLushort (*)[4]) src;
- GLubyte (*dst1)[4] = (GLubyte (*)[4]) (useTemp ? tempBuffer : dst);
- GLuint i;
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- dst1[i][RCOMP] = USHORT_TO_UBYTE(src2[i][RCOMP]);
- dst1[i][GCOMP] = USHORT_TO_UBYTE(src2[i][GCOMP]);
- dst1[i][BCOMP] = USHORT_TO_UBYTE(src2[i][BCOMP]);
- dst1[i][ACOMP] = USHORT_TO_UBYTE(src2[i][ACOMP]);
- }
- }
- if (useTemp)
- memcpy(dst, tempBuffer, count * 4 * sizeof(GLubyte));
- }
- else {
- const GLushort (*src2)[4] = (const GLushort (*)[4]) src;
- GLfloat (*dst4)[4] = (GLfloat (*)[4]) (useTemp ? tempBuffer : dst);
- GLuint i;
- ASSERT(dstType == GL_FLOAT);
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- dst4[i][RCOMP] = USHORT_TO_FLOAT(src2[i][RCOMP]);
- dst4[i][GCOMP] = USHORT_TO_FLOAT(src2[i][GCOMP]);
- dst4[i][BCOMP] = USHORT_TO_FLOAT(src2[i][BCOMP]);
- dst4[i][ACOMP] = USHORT_TO_FLOAT(src2[i][ACOMP]);
- }
- }
- if (useTemp)
- memcpy(dst, tempBuffer, count * 4 * sizeof(GLfloat));
- }
- break;
- case GL_FLOAT:
- if (dstType == GL_UNSIGNED_BYTE) {
- const GLfloat (*src4)[4] = (const GLfloat (*)[4]) src;
- GLubyte (*dst1)[4] = (GLubyte (*)[4]) (useTemp ? tempBuffer : dst);
- GLuint i;
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][RCOMP], src4[i][RCOMP]);
- UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][GCOMP], src4[i][GCOMP]);
- UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][BCOMP], src4[i][BCOMP]);
- UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][ACOMP], src4[i][ACOMP]);
- }
- }
- if (useTemp)
- memcpy(dst, tempBuffer, count * 4 * sizeof(GLubyte));
- }
- else {
- const GLfloat (*src4)[4] = (const GLfloat (*)[4]) src;
- GLushort (*dst2)[4] = (GLushort (*)[4]) (useTemp ? tempBuffer : dst);
- GLuint i;
- ASSERT(dstType == GL_UNSIGNED_SHORT);
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- UNCLAMPED_FLOAT_TO_USHORT(dst2[i][RCOMP], src4[i][RCOMP]);
- UNCLAMPED_FLOAT_TO_USHORT(dst2[i][GCOMP], src4[i][GCOMP]);
- UNCLAMPED_FLOAT_TO_USHORT(dst2[i][BCOMP], src4[i][BCOMP]);
- UNCLAMPED_FLOAT_TO_USHORT(dst2[i][ACOMP], src4[i][ACOMP]);
- }
- }
- if (useTemp)
- memcpy(dst, tempBuffer, count * 4 * sizeof(GLushort));
- }
- break;
- default:
- _mesa_problem(NULL, "Invalid datatype in _mesa_convert_colors");
- }
-}
-
-
-
-
-/**
- * Perform basic clipping for glDrawPixels. The image's position and size
- * and the unpack SkipPixels and SkipRows are adjusted so that the image
- * region is entirely within the window and scissor bounds.
- * NOTE: this will only work when glPixelZoom is (1, 1) or (1, -1).
- * If Pixel.ZoomY is -1, *destY will be changed to be the first row which
- * we'll actually write. Beforehand, *destY-1 is the first drawing row.
- *
- * \return GL_TRUE if image is ready for drawing or
- * GL_FALSE if image was completely clipped away (draw nothing)
- */
-GLboolean
-_mesa_clip_drawpixels(const struct gl_context *ctx,
- GLint *destX, GLint *destY,
- GLsizei *width, GLsizei *height,
- struct gl_pixelstore_attrib *unpack)
-{
- const struct gl_framebuffer *buffer = ctx->DrawBuffer;
-
- if (unpack->RowLength == 0) {
- unpack->RowLength = *width;
- }
-
- ASSERT(ctx->Pixel.ZoomX == 1.0F);
- ASSERT(ctx->Pixel.ZoomY == 1.0F || ctx->Pixel.ZoomY == -1.0F);
-
- /* left clipping */
- if (*destX < buffer->_Xmin) {
- unpack->SkipPixels += (buffer->_Xmin - *destX);
- *width -= (buffer->_Xmin - *destX);
- *destX = buffer->_Xmin;
- }
- /* right clipping */
- if (*destX + *width > buffer->_Xmax)
- *width -= (*destX + *width - buffer->_Xmax);
-
- if (*width <= 0)
- return GL_FALSE;
-
- if (ctx->Pixel.ZoomY == 1.0F) {
- /* bottom clipping */
- if (*destY < buffer->_Ymin) {
- unpack->SkipRows += (buffer->_Ymin - *destY);
- *height -= (buffer->_Ymin - *destY);
- *destY = buffer->_Ymin;
- }
- /* top clipping */
- if (*destY + *height > buffer->_Ymax)
- *height -= (*destY + *height - buffer->_Ymax);
- }
- else { /* upside down */
- /* top clipping */
- if (*destY > buffer->_Ymax) {
- unpack->SkipRows += (*destY - buffer->_Ymax);
- *height -= (*destY - buffer->_Ymax);
- *destY = buffer->_Ymax;
- }
- /* bottom clipping */
- if (*destY - *height < buffer->_Ymin)
- *height -= (buffer->_Ymin - (*destY - *height));
- /* adjust destY so it's the first row to write to */
- (*destY)--;
- }
-
- if (*height <= 0)
- return GL_FALSE;
-
- return GL_TRUE;
-}
-
-
-/**
- * Perform clipping for glReadPixels. The image's window position
- * and size, and the pack skipPixels, skipRows and rowLength are adjusted
- * so that the image region is entirely within the window bounds.
- * Note: this is different from _mesa_clip_drawpixels() in that the
- * scissor box is ignored, and we use the bounds of the current readbuffer
- * surface.
- *
- * \return GL_TRUE if region to read is in bounds
- * GL_FALSE if region is completely out of bounds (nothing to read)
- */
-GLboolean
-_mesa_clip_readpixels(const struct gl_context *ctx,
- GLint *srcX, GLint *srcY,
- GLsizei *width, GLsizei *height,
- struct gl_pixelstore_attrib *pack)
-{
- const struct gl_framebuffer *buffer = ctx->ReadBuffer;
-
- if (pack->RowLength == 0) {
- pack->RowLength = *width;
- }
-
- /* left clipping */
- if (*srcX < 0) {
- pack->SkipPixels += (0 - *srcX);
- *width -= (0 - *srcX);
- *srcX = 0;
- }
- /* right clipping */
- if (*srcX + *width > (GLsizei) buffer->Width)
- *width -= (*srcX + *width - buffer->Width);
-
- if (*width <= 0)
- return GL_FALSE;
-
- /* bottom clipping */
- if (*srcY < 0) {
- pack->SkipRows += (0 - *srcY);
- *height -= (0 - *srcY);
- *srcY = 0;
- }
- /* top clipping */
- if (*srcY + *height > (GLsizei) buffer->Height)
- *height -= (*srcY + *height - buffer->Height);
-
- if (*height <= 0)
- return GL_FALSE;
-
- return GL_TRUE;
-}
-
-
-/**
- * Do clipping for a glCopyTexSubImage call.
- * The framebuffer source region might extend outside the framebuffer
- * bounds. Clip the source region against the framebuffer bounds and
- * adjust the texture/dest position and size accordingly.
- *
- * \return GL_FALSE if region is totally clipped, GL_TRUE otherwise.
- */
-GLboolean
-_mesa_clip_copytexsubimage(const struct gl_context *ctx,
- GLint *destX, GLint *destY,
- GLint *srcX, GLint *srcY,
- GLsizei *width, GLsizei *height)
-{
- const struct gl_framebuffer *fb = ctx->ReadBuffer;
- const GLint srcX0 = *srcX, srcY0 = *srcY;
-
- if (_mesa_clip_to_region(0, 0, fb->Width, fb->Height,
- srcX, srcY, width, height)) {
- *destX = *destX + *srcX - srcX0;
- *destY = *destY + *srcY - srcY0;
-
- return GL_TRUE;
- }
- else {
- return GL_FALSE;
- }
-}
-
-
-
-/**
- * Clip the rectangle defined by (x, y, width, height) against the bounds
- * specified by [xmin, xmax) and [ymin, ymax).
- * \return GL_FALSE if rect is totally clipped, GL_TRUE otherwise.
- */
-GLboolean
-_mesa_clip_to_region(GLint xmin, GLint ymin,
- GLint xmax, GLint ymax,
- GLint *x, GLint *y,
- GLsizei *width, GLsizei *height )
-{
- /* left clipping */
- if (*x < xmin) {
- *width -= (xmin - *x);
- *x = xmin;
- }
-
- /* right clipping */
- if (*x + *width > xmax)
- *width -= (*x + *width - xmax);
-
- if (*width <= 0)
- return GL_FALSE;
-
- /* bottom (or top) clipping */
- if (*y < ymin) {
- *height -= (ymin - *y);
- *y = ymin;
- }
-
- /* top (or bottom) clipping */
- if (*y + *height > ymax)
- *height -= (*y + *height - ymax);
-
- if (*height <= 0)
- return GL_FALSE;
-
- return GL_TRUE;
-}
-
-
-/**
- * Clip dst coords against Xmax (or Ymax).
- */
-static INLINE void
-clip_right_or_top(GLint *srcX0, GLint *srcX1,
- GLint *dstX0, GLint *dstX1,
- GLint maxValue)
-{
- GLfloat t, bias;
-
- if (*dstX1 > maxValue) {
- /* X1 outside right edge */
- ASSERT(*dstX0 < maxValue); /* X0 should be inside right edge */
- t = (GLfloat) (maxValue - *dstX0) / (GLfloat) (*dstX1 - *dstX0);
- /* chop off [t, 1] part */
- ASSERT(t >= 0.0 && t <= 1.0);
- *dstX1 = maxValue;
- bias = (*srcX0 < *srcX1) ? 0.5F : -0.5F;
- *srcX1 = *srcX0 + (GLint) (t * (*srcX1 - *srcX0) + bias);
- }
- else if (*dstX0 > maxValue) {
- /* X0 outside right edge */
- ASSERT(*dstX1 < maxValue); /* X1 should be inside right edge */
- t = (GLfloat) (maxValue - *dstX1) / (GLfloat) (*dstX0 - *dstX1);
- /* chop off [t, 1] part */
- ASSERT(t >= 0.0 && t <= 1.0);
- *dstX0 = maxValue;
- bias = (*srcX0 < *srcX1) ? -0.5F : 0.5F;
- *srcX0 = *srcX1 + (GLint) (t * (*srcX0 - *srcX1) + bias);
- }
-}
-
-
-/**
- * Clip dst coords against Xmin (or Ymin).
- */
-static INLINE void
-clip_left_or_bottom(GLint *srcX0, GLint *srcX1,
- GLint *dstX0, GLint *dstX1,
- GLint minValue)
-{
- GLfloat t, bias;
-
- if (*dstX0 < minValue) {
- /* X0 outside left edge */
- ASSERT(*dstX1 > minValue); /* X1 should be inside left edge */
- t = (GLfloat) (minValue - *dstX0) / (GLfloat) (*dstX1 - *dstX0);
- /* chop off [0, t] part */
- ASSERT(t >= 0.0 && t <= 1.0);
- *dstX0 = minValue;
- bias = (*srcX0 < *srcX1) ? 0.5F : -0.5F; /* flipped??? */
- *srcX0 = *srcX0 + (GLint) (t * (*srcX1 - *srcX0) + bias);
- }
- else if (*dstX1 < minValue) {
- /* X1 outside left edge */
- ASSERT(*dstX0 > minValue); /* X0 should be inside left edge */
- t = (GLfloat) (minValue - *dstX1) / (GLfloat) (*dstX0 - *dstX1);
- /* chop off [0, t] part */
- ASSERT(t >= 0.0 && t <= 1.0);
- *dstX1 = minValue;
- bias = (*srcX0 < *srcX1) ? 0.5F : -0.5F;
- *srcX1 = *srcX1 + (GLint) (t * (*srcX0 - *srcX1) + bias);
- }
-}
-
-
-/**
- * Do clipping of blit src/dest rectangles.
- * The dest rect is clipped against both the buffer bounds and scissor bounds.
- * The src rect is just clipped against the buffer bounds.
- *
- * When either the src or dest rect is clipped, the other is also clipped
- * proportionately!
- *
- * Note that X0 need not be less than X1 (same for Y) for either the source
- * and dest rects. That makes the clipping a little trickier.
- *
- * \return GL_TRUE if anything is left to draw, GL_FALSE if totally clipped
- */
-GLboolean
-_mesa_clip_blit(struct gl_context *ctx,
- GLint *srcX0, GLint *srcY0, GLint *srcX1, GLint *srcY1,
- GLint *dstX0, GLint *dstY0, GLint *dstX1, GLint *dstY1)
-{
- const GLint srcXmin = 0;
- const GLint srcXmax = ctx->ReadBuffer->Width;
- const GLint srcYmin = 0;
- const GLint srcYmax = ctx->ReadBuffer->Height;
-
- /* these include scissor bounds */
- const GLint dstXmin = ctx->DrawBuffer->_Xmin;
- const GLint dstXmax = ctx->DrawBuffer->_Xmax;
- const GLint dstYmin = ctx->DrawBuffer->_Ymin;
- const GLint dstYmax = ctx->DrawBuffer->_Ymax;
-
- /*
- printf("PreClipX: src: %d .. %d dst: %d .. %d\n",
- *srcX0, *srcX1, *dstX0, *dstX1);
- printf("PreClipY: src: %d .. %d dst: %d .. %d\n",
- *srcY0, *srcY1, *dstY0, *dstY1);
- */
-
- /* trivial rejection tests */
- if (*dstX0 == *dstX1)
- return GL_FALSE; /* no width */
- if (*dstX0 <= dstXmin && *dstX1 <= dstXmin)
- return GL_FALSE; /* totally out (left) of bounds */
- if (*dstX0 >= dstXmax && *dstX1 >= dstXmax)
- return GL_FALSE; /* totally out (right) of bounds */
-
- if (*dstY0 == *dstY1)
- return GL_FALSE;
- if (*dstY0 <= dstYmin && *dstY1 <= dstYmin)
- return GL_FALSE;
- if (*dstY0 >= dstYmax && *dstY1 >= dstYmax)
- return GL_FALSE;
-
- if (*srcX0 == *srcX1)
- return GL_FALSE;
- if (*srcX0 <= srcXmin && *srcX1 <= srcXmin)
- return GL_FALSE;
- if (*srcX0 >= srcXmax && *srcX1 >= srcXmax)
- return GL_FALSE;
-
- if (*srcY0 == *srcY1)
- return GL_FALSE;
- if (*srcY0 <= srcYmin && *srcY1 <= srcYmin)
- return GL_FALSE;
- if (*srcY0 >= srcYmax && *srcY1 >= srcYmax)
- return GL_FALSE;
-
- /*
- * dest clip
- */
- clip_right_or_top(srcX0, srcX1, dstX0, dstX1, dstXmax);
- clip_right_or_top(srcY0, srcY1, dstY0, dstY1, dstYmax);
- clip_left_or_bottom(srcX0, srcX1, dstX0, dstX1, dstXmin);
- clip_left_or_bottom(srcY0, srcY1, dstY0, dstY1, dstYmin);
-
- /*
- * src clip (just swap src/dst values from above)
- */
- clip_right_or_top(dstX0, dstX1, srcX0, srcX1, srcXmax);
- clip_right_or_top(dstY0, dstY1, srcY0, srcY1, srcYmax);
- clip_left_or_bottom(dstX0, dstX1, srcX0, srcX1, srcXmin);
- clip_left_or_bottom(dstY0, dstY1, srcY0, srcY1, srcYmin);
-
- /*
- printf("PostClipX: src: %d .. %d dst: %d .. %d\n",
- *srcX0, *srcX1, *dstX0, *dstX1);
- printf("PostClipY: src: %d .. %d dst: %d .. %d\n",
- *srcY0, *srcY1, *dstY0, *dstY1);
- */
-
- ASSERT(*dstX0 >= dstXmin);
- ASSERT(*dstX0 <= dstXmax);
- ASSERT(*dstX1 >= dstXmin);
- ASSERT(*dstX1 <= dstXmax);
-
- ASSERT(*dstY0 >= dstYmin);
- ASSERT(*dstY0 <= dstYmax);
- ASSERT(*dstY1 >= dstYmin);
- ASSERT(*dstY1 <= dstYmax);
-
- ASSERT(*srcX0 >= srcXmin);
- ASSERT(*srcX0 <= srcXmax);
- ASSERT(*srcX1 >= srcXmin);
- ASSERT(*srcX1 <= srcXmax);
-
- ASSERT(*srcY0 >= srcYmin);
- ASSERT(*srcY0 <= srcYmax);
- ASSERT(*srcY1 >= srcYmin);
- ASSERT(*srcY1 <= srcYmax);
-
- return GL_TRUE;
-}
+/* + * Mesa 3-D graphics library + * Version: 7.5 + * + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (C) 2009 VMware, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file image.c + * Image handling. + */ + + +#include "glheader.h" +#include "colormac.h" +#include "image.h" +#include "imports.h" +#include "macros.h" +#include "mfeatures.h" +#include "mtypes.h" + + +/** + * NOTE: + * Normally, BYTE_TO_FLOAT(0) returns 0.00392 That causes problems when + * we later convert the float to a packed integer value (such as for + * GL_RGB5_A1) because we'll wind up with a non-zero value. + * + * We redefine the macros here so zero is handled correctly. + */ +#undef BYTE_TO_FLOAT +#define BYTE_TO_FLOAT(B) ((B) == 0 ? 0.0F : ((2.0F * (B) + 1.0F) * (1.0F/255.0F))) + +#undef SHORT_TO_FLOAT +#define SHORT_TO_FLOAT(S) ((S) == 0 ? 0.0F : ((2.0F * (S) + 1.0F) * (1.0F/65535.0F))) + + + +/** Compute ceiling of integer quotient of A divided by B. */ +#define CEILING( A, B ) ( (A) % (B) == 0 ? (A)/(B) : (A)/(B)+1 ) + + +/** + * \return GL_TRUE if type is packed pixel type, GL_FALSE otherwise. + */ +GLboolean +_mesa_type_is_packed(GLenum type) +{ + switch (type) { + case GL_UNSIGNED_BYTE_3_3_2: + case GL_UNSIGNED_BYTE_2_3_3_REV: + case MESA_UNSIGNED_BYTE_4_4: + case GL_UNSIGNED_SHORT_5_6_5: + case GL_UNSIGNED_SHORT_5_6_5_REV: + case GL_UNSIGNED_SHORT_4_4_4_4: + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + case GL_UNSIGNED_SHORT_5_5_5_1: + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + case GL_UNSIGNED_INT_8_8_8_8: + case GL_UNSIGNED_INT_8_8_8_8_REV: + case GL_UNSIGNED_INT_10_10_10_2: + case GL_UNSIGNED_INT_2_10_10_10_REV: + case GL_UNSIGNED_SHORT_8_8_MESA: + case GL_UNSIGNED_SHORT_8_8_REV_MESA: + case GL_UNSIGNED_INT_24_8_EXT: + case GL_UNSIGNED_INT_5_9_9_9_REV: + case GL_UNSIGNED_INT_10F_11F_11F_REV: + case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: + return GL_TRUE; + } + + return GL_FALSE; +} + + + +/** + * Flip the order of the 2 bytes in each word in the given array. + * + * \param p array. + * \param n number of words. + */ +void +_mesa_swap2( GLushort *p, GLuint n ) +{ + GLuint i; + for (i = 0; i < n; i++) { + p[i] = (p[i] >> 8) | ((p[i] << 8) & 0xff00); + } +} + + + +/* + * Flip the order of the 4 bytes in each word in the given array. + */ +void +_mesa_swap4( GLuint *p, GLuint n ) +{ + GLuint i, a, b; + for (i = 0; i < n; i++) { + b = p[i]; + a = (b >> 24) + | ((b >> 8) & 0xff00) + | ((b << 8) & 0xff0000) + | ((b << 24) & 0xff000000); + p[i] = a; + } +} + + +/** + * Get the size of a GL data type. + * + * \param type GL data type. + * + * \return the size, in bytes, of the given data type, 0 if a GL_BITMAP, or -1 + * if an invalid type enum. + */ +GLint +_mesa_sizeof_type( GLenum type ) +{ + switch (type) { + case GL_BITMAP: + return 0; + case GL_UNSIGNED_BYTE: + return sizeof(GLubyte); + case GL_BYTE: + return sizeof(GLbyte); + case GL_UNSIGNED_SHORT: + return sizeof(GLushort); + case GL_SHORT: + return sizeof(GLshort); + case GL_UNSIGNED_INT: + return sizeof(GLuint); + case GL_INT: + return sizeof(GLint); + case GL_FLOAT: + return sizeof(GLfloat); + case GL_DOUBLE: + return sizeof(GLdouble); + case GL_HALF_FLOAT_ARB: + return sizeof(GLhalfARB); + case GL_FIXED: + return sizeof(GLfixed); + default: + return -1; + } +} + + +/** + * Same as _mesa_sizeof_type() but also accepting the packed pixel + * format data types. + */ +GLint +_mesa_sizeof_packed_type( GLenum type ) +{ + switch (type) { + case GL_BITMAP: + return 0; + case GL_UNSIGNED_BYTE: + return sizeof(GLubyte); + case GL_BYTE: + return sizeof(GLbyte); + case GL_UNSIGNED_SHORT: + return sizeof(GLushort); + case GL_SHORT: + return sizeof(GLshort); + case GL_UNSIGNED_INT: + return sizeof(GLuint); + case GL_INT: + return sizeof(GLint); + case GL_HALF_FLOAT_ARB: + return sizeof(GLhalfARB); + case GL_FLOAT: + return sizeof(GLfloat); + case GL_UNSIGNED_BYTE_3_3_2: + return sizeof(GLubyte); + case GL_UNSIGNED_BYTE_2_3_3_REV: + return sizeof(GLubyte); + case MESA_UNSIGNED_BYTE_4_4: + return sizeof(GLubyte); + case GL_UNSIGNED_SHORT_5_6_5: + return sizeof(GLushort); + case GL_UNSIGNED_SHORT_5_6_5_REV: + return sizeof(GLushort); + case GL_UNSIGNED_SHORT_4_4_4_4: + return sizeof(GLushort); + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + return sizeof(GLushort); + case GL_UNSIGNED_SHORT_5_5_5_1: + return sizeof(GLushort); + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + return sizeof(GLushort); + case GL_UNSIGNED_INT_8_8_8_8: + return sizeof(GLuint); + case GL_UNSIGNED_INT_8_8_8_8_REV: + return sizeof(GLuint); + case GL_UNSIGNED_INT_10_10_10_2: + return sizeof(GLuint); + case GL_UNSIGNED_INT_2_10_10_10_REV: + return sizeof(GLuint); + case GL_UNSIGNED_SHORT_8_8_MESA: + case GL_UNSIGNED_SHORT_8_8_REV_MESA: + return sizeof(GLushort); + case GL_UNSIGNED_INT_24_8_EXT: + return sizeof(GLuint); + case GL_UNSIGNED_INT_5_9_9_9_REV: + return sizeof(GLuint); + case GL_UNSIGNED_INT_10F_11F_11F_REV: + return sizeof(GLuint); + case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: + return 8; + default: + return -1; + } +} + + +/** + * Get the number of components in a pixel format. + * + * \param format pixel format. + * + * \return the number of components in the given format, or -1 if a bad format. + */ +GLint +_mesa_components_in_format( GLenum format ) +{ + switch (format) { + case GL_COLOR_INDEX: + case GL_COLOR_INDEX1_EXT: + case GL_COLOR_INDEX2_EXT: + case GL_COLOR_INDEX4_EXT: + case GL_COLOR_INDEX8_EXT: + case GL_COLOR_INDEX12_EXT: + case GL_COLOR_INDEX16_EXT: + case GL_STENCIL_INDEX: + case GL_DEPTH_COMPONENT: + case GL_RED: + case GL_RED_INTEGER_EXT: + case GL_GREEN: + case GL_GREEN_INTEGER_EXT: + case GL_BLUE: + case GL_BLUE_INTEGER_EXT: + case GL_ALPHA: + case GL_ALPHA_INTEGER_EXT: + case GL_LUMINANCE: + case GL_LUMINANCE_INTEGER_EXT: + case GL_INTENSITY: + return 1; + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE_ALPHA_INTEGER_EXT: + case GL_RG: + return 2; + case GL_RGB: + case GL_RGB_INTEGER_EXT: + return 3; + case GL_RGBA: + case GL_RGBA_INTEGER_EXT: + return 4; + case GL_BGR: + return 3; + case GL_BGRA: + return 4; + case GL_ABGR_EXT: + return 4; + case GL_YCBCR_MESA: + return 2; + case GL_DEPTH_STENCIL_EXT: + return 2; + case GL_DUDV_ATI: + case GL_DU8DV8_ATI: + return 2; + default: + return -1; + } +} + + +/** + * Get the bytes per pixel of pixel format type pair. + * + * \param format pixel format. + * \param type pixel type. + * + * \return bytes per pixel, or -1 if a bad format or type was given. + */ +GLint +_mesa_bytes_per_pixel( GLenum format, GLenum type ) +{ + GLint comps = _mesa_components_in_format( format ); + if (comps < 0) + return -1; + + switch (type) { + case GL_BITMAP: + return 0; /* special case */ + case GL_BYTE: + case GL_UNSIGNED_BYTE: + return comps * sizeof(GLubyte); + case GL_SHORT: + case GL_UNSIGNED_SHORT: + return comps * sizeof(GLshort); + case GL_INT: + case GL_UNSIGNED_INT: + return comps * sizeof(GLint); + case GL_FLOAT: + return comps * sizeof(GLfloat); + case GL_HALF_FLOAT_ARB: + return comps * sizeof(GLhalfARB); + case GL_UNSIGNED_BYTE_3_3_2: + case GL_UNSIGNED_BYTE_2_3_3_REV: + if (format == GL_RGB || format == GL_BGR || + format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT) + return sizeof(GLubyte); + else + return -1; /* error */ + case GL_UNSIGNED_SHORT_5_6_5: + case GL_UNSIGNED_SHORT_5_6_5_REV: + if (format == GL_RGB || format == GL_BGR || + format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT) + return sizeof(GLushort); + else + return -1; /* error */ + case GL_UNSIGNED_SHORT_4_4_4_4: + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + case GL_UNSIGNED_SHORT_5_5_5_1: + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT || + format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT) + return sizeof(GLushort); + else + return -1; + case GL_UNSIGNED_INT_8_8_8_8: + case GL_UNSIGNED_INT_8_8_8_8_REV: + case GL_UNSIGNED_INT_10_10_10_2: + case GL_UNSIGNED_INT_2_10_10_10_REV: + if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT || + format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT) + return sizeof(GLuint); + else + return -1; + case GL_UNSIGNED_SHORT_8_8_MESA: + case GL_UNSIGNED_SHORT_8_8_REV_MESA: + if (format == GL_YCBCR_MESA) + return sizeof(GLushort); + else + return -1; + case GL_UNSIGNED_INT_24_8_EXT: + if (format == GL_DEPTH_STENCIL_EXT) + return sizeof(GLuint); + else + return -1; + case GL_UNSIGNED_INT_5_9_9_9_REV: + if (format == GL_RGB) + return sizeof(GLuint); + else + return -1; + case GL_UNSIGNED_INT_10F_11F_11F_REV: + if (format == GL_RGB) + return sizeof(GLuint); + else + return -1; + case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: + if (format == GL_DEPTH_STENCIL) + return 8; + else + return -1; + default: + return -1; + } +} + + +/** + * Test for a legal pixel format and type. + * + * \param format pixel format. + * \param type pixel type. + * + * \return GL_TRUE if the given pixel format and type are legal, or GL_FALSE + * otherwise. + */ +GLboolean +_mesa_is_legal_format_and_type(const struct gl_context *ctx, + GLenum format, GLenum type) +{ + switch (format) { + case GL_COLOR_INDEX: + case GL_STENCIL_INDEX: + switch (type) { + case GL_BITMAP: + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + return GL_TRUE; + case GL_HALF_FLOAT_ARB: + return ctx->Extensions.ARB_half_float_pixel; + default: + return GL_FALSE; + } + case GL_RED: + case GL_GREEN: + case GL_BLUE: + case GL_ALPHA: +#if 0 /* not legal! see table 3.6 of the 1.5 spec */ + case GL_INTENSITY: +#endif + case GL_LUMINANCE: + case GL_LUMINANCE_ALPHA: + case GL_DEPTH_COMPONENT: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + return GL_TRUE; + case GL_HALF_FLOAT_ARB: + return ctx->Extensions.ARB_half_float_pixel; + default: + return GL_FALSE; + } + case GL_RG: + if (!ctx->Extensions.ARB_texture_rg) + return GL_FALSE; + + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + return GL_TRUE; + case GL_HALF_FLOAT_ARB: + return ctx->Extensions.ARB_half_float_pixel; + default: + return GL_FALSE; + } + case GL_RGB: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + case GL_UNSIGNED_BYTE_3_3_2: + case GL_UNSIGNED_BYTE_2_3_3_REV: + case GL_UNSIGNED_SHORT_5_6_5: + case GL_UNSIGNED_SHORT_5_6_5_REV: + return GL_TRUE; + case GL_HALF_FLOAT_ARB: + return ctx->Extensions.ARB_half_float_pixel; + case GL_UNSIGNED_INT_5_9_9_9_REV: + return ctx->Extensions.EXT_texture_shared_exponent; + case GL_UNSIGNED_INT_10F_11F_11F_REV: + return ctx->Extensions.EXT_packed_float; + default: + return GL_FALSE; + } + case GL_BGR: + switch (type) { + /* NOTE: no packed types are supported with BGR. That's + * intentional, according to the GL spec. + */ + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + return GL_TRUE; + case GL_HALF_FLOAT_ARB: + return ctx->Extensions.ARB_half_float_pixel; + default: + return GL_FALSE; + } + case GL_RGBA: + case GL_BGRA: + case GL_ABGR_EXT: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + case GL_UNSIGNED_SHORT_4_4_4_4: + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + case GL_UNSIGNED_SHORT_5_5_5_1: + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + case GL_UNSIGNED_INT_8_8_8_8: + case GL_UNSIGNED_INT_8_8_8_8_REV: + case GL_UNSIGNED_INT_10_10_10_2: + case GL_UNSIGNED_INT_2_10_10_10_REV: + return GL_TRUE; + case GL_HALF_FLOAT_ARB: + return ctx->Extensions.ARB_half_float_pixel; + default: + return GL_FALSE; + } + case GL_YCBCR_MESA: + if (type == GL_UNSIGNED_SHORT_8_8_MESA || + type == GL_UNSIGNED_SHORT_8_8_REV_MESA) + return GL_TRUE; + else + return GL_FALSE; + case GL_DEPTH_STENCIL_EXT: + if ((ctx->Extensions.EXT_packed_depth_stencil && + type == GL_UNSIGNED_INT_24_8_EXT) || + (ctx->Extensions.ARB_depth_buffer_float && + type == GL_FLOAT_32_UNSIGNED_INT_24_8_REV)) + return GL_TRUE; + else + return GL_FALSE; + case GL_DUDV_ATI: + case GL_DU8DV8_ATI: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + return GL_TRUE; + default: + return GL_FALSE; + } + + /* integer-valued formats */ + case GL_RED_INTEGER_EXT: + case GL_GREEN_INTEGER_EXT: + case GL_BLUE_INTEGER_EXT: + case GL_ALPHA_INTEGER_EXT: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + return ctx->Extensions.EXT_texture_integer; + default: + return GL_FALSE; + } + + case GL_RGB_INTEGER_EXT: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_UNSIGNED_BYTE_3_3_2: + case GL_UNSIGNED_BYTE_2_3_3_REV: + case GL_UNSIGNED_SHORT_5_6_5: + case GL_UNSIGNED_SHORT_5_6_5_REV: + return ctx->Extensions.EXT_texture_integer; + default: + return GL_FALSE; + } + + case GL_BGR_INTEGER_EXT: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + /* NOTE: no packed formats w/ BGR format */ + return ctx->Extensions.EXT_texture_integer; + default: + return GL_FALSE; + } + + case GL_RGBA_INTEGER_EXT: + case GL_BGRA_INTEGER_EXT: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_UNSIGNED_SHORT_4_4_4_4: + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + case GL_UNSIGNED_SHORT_5_5_5_1: + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + case GL_UNSIGNED_INT_8_8_8_8: + case GL_UNSIGNED_INT_8_8_8_8_REV: + case GL_UNSIGNED_INT_10_10_10_2: + case GL_UNSIGNED_INT_2_10_10_10_REV: + return ctx->Extensions.EXT_texture_integer; + default: + return GL_FALSE; + } + + case GL_LUMINANCE_INTEGER_EXT: + case GL_LUMINANCE_ALPHA_INTEGER_EXT: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + return ctx->Extensions.EXT_texture_integer; + default: + return GL_FALSE; + } + + default: + ; /* fall-through */ + } + return GL_FALSE; +} + + +/** + * Test if the given image format is a color/RGBA format (i.e., not color + * index, depth, stencil, etc). + * \param format the image format value (may by an internal texture format) + * \return GL_TRUE if its a color/RGBA format, GL_FALSE otherwise. + */ +GLboolean +_mesa_is_color_format(GLenum format) +{ + switch (format) { + case GL_RED: + case GL_GREEN: + case GL_BLUE: + case GL_ALPHA: + case GL_ALPHA4: + case GL_ALPHA8: + case GL_ALPHA12: + case GL_ALPHA16: + case 1: + case GL_LUMINANCE: + case GL_LUMINANCE4: + case GL_LUMINANCE8: + case GL_LUMINANCE12: + case GL_LUMINANCE16: + case 2: + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE4_ALPHA4: + case GL_LUMINANCE6_ALPHA2: + case GL_LUMINANCE8_ALPHA8: + case GL_LUMINANCE12_ALPHA4: + case GL_LUMINANCE12_ALPHA12: + case GL_LUMINANCE16_ALPHA16: + case GL_INTENSITY: + case GL_INTENSITY4: + case GL_INTENSITY8: + case GL_INTENSITY12: + case GL_INTENSITY16: + case GL_R8: + case GL_R16: + case GL_RG: + case GL_RG8: + case GL_RG16: + case 3: + case GL_RGB: + case GL_BGR: + case GL_R3_G3_B2: + case GL_RGB4: + case GL_RGB5: + case GL_RGB8: + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + case 4: + case GL_ABGR_EXT: + case GL_RGBA: + case GL_BGRA: + case GL_RGBA2: + case GL_RGBA4: + case GL_RGB5_A1: + case GL_RGBA8: + case GL_RGB10_A2: + case GL_RGBA12: + case GL_RGBA16: + /* float texture formats */ + case GL_ALPHA16F_ARB: + case GL_ALPHA32F_ARB: + case GL_LUMINANCE16F_ARB: + case GL_LUMINANCE32F_ARB: + case GL_LUMINANCE_ALPHA16F_ARB: + case GL_LUMINANCE_ALPHA32F_ARB: + case GL_INTENSITY16F_ARB: + case GL_INTENSITY32F_ARB: + case GL_R16F: + case GL_R32F: + case GL_RG16F: + case GL_RG32F: + case GL_RGB16F_ARB: + case GL_RGB32F_ARB: + case GL_RGBA16F_ARB: + case GL_RGBA32F_ARB: + /* compressed formats */ + case GL_COMPRESSED_ALPHA: + case GL_COMPRESSED_LUMINANCE: + case GL_COMPRESSED_LUMINANCE_ALPHA: + case GL_COMPRESSED_INTENSITY: + case GL_COMPRESSED_RED: + case GL_COMPRESSED_RG: + case GL_COMPRESSED_RGB: + case GL_COMPRESSED_RGBA: + case GL_RGB_S3TC: + case GL_RGB4_S3TC: + case GL_RGBA_S3TC: + case GL_RGBA4_S3TC: + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: + case GL_COMPRESSED_RGB_FXT1_3DFX: + case GL_COMPRESSED_RGBA_FXT1_3DFX: +#if FEATURE_EXT_texture_sRGB + case GL_SRGB_EXT: + case GL_SRGB8_EXT: + case GL_SRGB_ALPHA_EXT: + case GL_SRGB8_ALPHA8_EXT: + case GL_SLUMINANCE_ALPHA_EXT: + case GL_SLUMINANCE8_ALPHA8_EXT: + case GL_SLUMINANCE_EXT: + case GL_SLUMINANCE8_EXT: + case GL_COMPRESSED_SRGB_EXT: + case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: + case GL_COMPRESSED_SRGB_ALPHA_EXT: + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: + case GL_COMPRESSED_SLUMINANCE_EXT: + case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT: +#endif /* FEATURE_EXT_texture_sRGB */ + case GL_COMPRESSED_RED_RGTC1: + case GL_COMPRESSED_SIGNED_RED_RGTC1: + case GL_COMPRESSED_RG_RGTC2: + case GL_COMPRESSED_SIGNED_RG_RGTC2: + case GL_COMPRESSED_LUMINANCE_LATC1_EXT: + case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT: + case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT: + case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT: + case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI: + /* generic integer formats */ + case GL_RED_INTEGER_EXT: + case GL_GREEN_INTEGER_EXT: + case GL_BLUE_INTEGER_EXT: + case GL_ALPHA_INTEGER_EXT: + case GL_RGB_INTEGER_EXT: + case GL_RGBA_INTEGER_EXT: + case GL_BGR_INTEGER_EXT: + case GL_BGRA_INTEGER_EXT: + case GL_LUMINANCE_INTEGER_EXT: + case GL_LUMINANCE_ALPHA_INTEGER_EXT: + /* sized integer formats */ + case GL_RGBA32UI_EXT: + case GL_RGB32UI_EXT: + case GL_ALPHA32UI_EXT: + case GL_INTENSITY32UI_EXT: + case GL_LUMINANCE32UI_EXT: + case GL_LUMINANCE_ALPHA32UI_EXT: + case GL_RGBA16UI_EXT: + case GL_RGB16UI_EXT: + case GL_ALPHA16UI_EXT: + case GL_INTENSITY16UI_EXT: + case GL_LUMINANCE16UI_EXT: + case GL_LUMINANCE_ALPHA16UI_EXT: + case GL_RGBA8UI_EXT: + case GL_RGB8UI_EXT: + case GL_ALPHA8UI_EXT: + case GL_INTENSITY8UI_EXT: + case GL_LUMINANCE8UI_EXT: + case GL_LUMINANCE_ALPHA8UI_EXT: + case GL_RGBA32I_EXT: + case GL_RGB32I_EXT: + case GL_ALPHA32I_EXT: + case GL_INTENSITY32I_EXT: + case GL_LUMINANCE32I_EXT: + case GL_LUMINANCE_ALPHA32I_EXT: + case GL_RGBA16I_EXT: + case GL_RGB16I_EXT: + case GL_ALPHA16I_EXT: + case GL_INTENSITY16I_EXT: + case GL_LUMINANCE16I_EXT: + case GL_LUMINANCE_ALPHA16I_EXT: + case GL_RGBA8I_EXT: + case GL_RGB8I_EXT: + case GL_ALPHA8I_EXT: + case GL_INTENSITY8I_EXT: + case GL_LUMINANCE8I_EXT: + case GL_LUMINANCE_ALPHA8I_EXT: + /* signed, normalized texture formats */ + case GL_RED_SNORM: + case GL_R8_SNORM: + case GL_R16_SNORM: + case GL_RG_SNORM: + case GL_RG8_SNORM: + case GL_RG16_SNORM: + case GL_RGB_SNORM: + case GL_RGB8_SNORM: + case GL_RGB16_SNORM: + case GL_RGBA_SNORM: + case GL_RGBA8_SNORM: + case GL_RGBA16_SNORM: + case GL_ALPHA_SNORM: + case GL_ALPHA8_SNORM: + case GL_ALPHA16_SNORM: + case GL_LUMINANCE_SNORM: + case GL_LUMINANCE8_SNORM: + case GL_LUMINANCE16_SNORM: + case GL_LUMINANCE_ALPHA_SNORM: + case GL_LUMINANCE8_ALPHA8_SNORM: + case GL_LUMINANCE16_ALPHA16_SNORM: + case GL_INTENSITY_SNORM: + case GL_INTENSITY8_SNORM: + case GL_INTENSITY16_SNORM: + case GL_RGB9_E5: + case GL_R11F_G11F_B10F: + return GL_TRUE; + case GL_YCBCR_MESA: /* not considered to be RGB */ + /* fall-through */ + default: + return GL_FALSE; + } +} + + +/** + * Test if the given image format is a color index format. + */ +GLboolean +_mesa_is_index_format(GLenum format) +{ + switch (format) { + case GL_COLOR_INDEX: + case GL_COLOR_INDEX1_EXT: + case GL_COLOR_INDEX2_EXT: + case GL_COLOR_INDEX4_EXT: + case GL_COLOR_INDEX8_EXT: + case GL_COLOR_INDEX12_EXT: + case GL_COLOR_INDEX16_EXT: + return GL_TRUE; + default: + return GL_FALSE; + } +} + + +/** + * Test if the given image format is a depth component format. + */ +GLboolean +_mesa_is_depth_format(GLenum format) +{ + switch (format) { + case GL_DEPTH_COMPONENT: + case GL_DEPTH_COMPONENT16: + case GL_DEPTH_COMPONENT24: + case GL_DEPTH_COMPONENT32: + case GL_DEPTH_COMPONENT32F: + return GL_TRUE; + default: + return GL_FALSE; + } +} + + +/** + * Test if the given image format is a stencil format. + */ +GLboolean +_mesa_is_stencil_format(GLenum format) +{ + switch (format) { + case GL_STENCIL_INDEX: + case GL_DEPTH_STENCIL: + return GL_TRUE; + default: + return GL_FALSE; + } +} + + +/** + * Test if the given image format is a YCbCr format. + */ +GLboolean +_mesa_is_ycbcr_format(GLenum format) +{ + switch (format) { + case GL_YCBCR_MESA: + return GL_TRUE; + default: + return GL_FALSE; + } +} + + +/** + * Test if the given image format is a depth+stencil format. + */ +GLboolean +_mesa_is_depthstencil_format(GLenum format) +{ + switch (format) { + case GL_DEPTH24_STENCIL8_EXT: + case GL_DEPTH_STENCIL_EXT: + case GL_DEPTH32F_STENCIL8: + return GL_TRUE; + default: + return GL_FALSE; + } +} + + +/** + * Test if the given image format is a depth or stencil format. + */ +GLboolean +_mesa_is_depth_or_stencil_format(GLenum format) +{ + switch (format) { + case GL_DEPTH_COMPONENT: + case GL_DEPTH_COMPONENT16: + case GL_DEPTH_COMPONENT24: + case GL_DEPTH_COMPONENT32: + case GL_STENCIL_INDEX: + case GL_STENCIL_INDEX1_EXT: + case GL_STENCIL_INDEX4_EXT: + case GL_STENCIL_INDEX8_EXT: + case GL_STENCIL_INDEX16_EXT: + case GL_DEPTH_STENCIL_EXT: + case GL_DEPTH24_STENCIL8_EXT: + case GL_DEPTH_COMPONENT32F: + case GL_DEPTH32F_STENCIL8: + return GL_TRUE; + default: + return GL_FALSE; + } +} + + +/** + * Test if the given image format is a dudv format. + */ +GLboolean +_mesa_is_dudv_format(GLenum format) +{ + switch (format) { + case GL_DUDV_ATI: + case GL_DU8DV8_ATI: + return GL_TRUE; + default: + return GL_FALSE; + } +} + + +/** + * Test if the given format is an integer (non-normalized) format. + */ +GLboolean +_mesa_is_integer_format(GLenum format) +{ + switch (format) { + /* generic integer formats */ + case GL_RED_INTEGER_EXT: + case GL_GREEN_INTEGER_EXT: + case GL_BLUE_INTEGER_EXT: + case GL_ALPHA_INTEGER_EXT: + case GL_RGB_INTEGER_EXT: + case GL_RGBA_INTEGER_EXT: + case GL_BGR_INTEGER_EXT: + case GL_BGRA_INTEGER_EXT: + case GL_LUMINANCE_INTEGER_EXT: + case GL_LUMINANCE_ALPHA_INTEGER_EXT: + /* specific integer formats */ + case GL_RGBA32UI_EXT: + case GL_RGB32UI_EXT: + case GL_ALPHA32UI_EXT: + case GL_INTENSITY32UI_EXT: + case GL_LUMINANCE32UI_EXT: + case GL_LUMINANCE_ALPHA32UI_EXT: + case GL_RGBA16UI_EXT: + case GL_RGB16UI_EXT: + case GL_ALPHA16UI_EXT: + case GL_INTENSITY16UI_EXT: + case GL_LUMINANCE16UI_EXT: + case GL_LUMINANCE_ALPHA16UI_EXT: + case GL_RGBA8UI_EXT: + case GL_RGB8UI_EXT: + case GL_ALPHA8UI_EXT: + case GL_INTENSITY8UI_EXT: + case GL_LUMINANCE8UI_EXT: + case GL_LUMINANCE_ALPHA8UI_EXT: + case GL_RGBA32I_EXT: + case GL_RGB32I_EXT: + case GL_ALPHA32I_EXT: + case GL_INTENSITY32I_EXT: + case GL_LUMINANCE32I_EXT: + case GL_LUMINANCE_ALPHA32I_EXT: + case GL_RGBA16I_EXT: + case GL_RGB16I_EXT: + case GL_ALPHA16I_EXT: + case GL_INTENSITY16I_EXT: + case GL_LUMINANCE16I_EXT: + case GL_LUMINANCE_ALPHA16I_EXT: + case GL_RGBA8I_EXT: + case GL_RGB8I_EXT: + case GL_ALPHA8I_EXT: + case GL_INTENSITY8I_EXT: + case GL_LUMINANCE8I_EXT: + case GL_LUMINANCE_ALPHA8I_EXT: + return GL_TRUE; + default: + return GL_FALSE; + } +} + + +/** + * Test if an image format is a supported compressed format. + * \param format the internal format token provided by the user. + * \return GL_TRUE if compressed, GL_FALSE if uncompressed + */ +GLboolean +_mesa_is_compressed_format(struct gl_context *ctx, GLenum format) +{ + switch (format) { + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: + return ctx->Extensions.EXT_texture_compression_s3tc; + case GL_RGB_S3TC: + case GL_RGB4_S3TC: + case GL_RGBA_S3TC: + case GL_RGBA4_S3TC: + return ctx->Extensions.S3_s3tc; + case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: + return ctx->Extensions.EXT_texture_sRGB + && ctx->Extensions.EXT_texture_compression_s3tc; + case GL_COMPRESSED_RGB_FXT1_3DFX: + case GL_COMPRESSED_RGBA_FXT1_3DFX: + return ctx->Extensions.TDFX_texture_compression_FXT1; + case GL_COMPRESSED_RED_RGTC1: + case GL_COMPRESSED_SIGNED_RED_RGTC1: + case GL_COMPRESSED_RG_RGTC2: + case GL_COMPRESSED_SIGNED_RG_RGTC2: + return ctx->Extensions.ARB_texture_compression_rgtc; + case GL_COMPRESSED_LUMINANCE_LATC1_EXT: + case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT: + case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT: + case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT: + return ctx->Extensions.EXT_texture_compression_latc; + case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI: + return ctx->Extensions.ATI_texture_compression_3dc; + default: + return GL_FALSE; + } +} + + +/** + * Return the address of a specific pixel in an image (1D, 2D or 3D). + * + * Pixel unpacking/packing parameters are observed according to \p packing. + * + * \param dimensions either 1, 2 or 3 to indicate dimensionality of image + * \param image starting address of image data + * \param width the image width + * \param height theimage height + * \param format the pixel format + * \param type the pixel data type + * \param packing the pixelstore attributes + * \param img which image in the volume (0 for 1D or 2D images) + * \param row row of pixel in the image (0 for 1D images) + * \param column column of pixel in the image + * + * \return address of pixel on success, or NULL on error. + * + * \sa gl_pixelstore_attrib. + */ +GLvoid * +_mesa_image_address( GLuint dimensions, + const struct gl_pixelstore_attrib *packing, + const GLvoid *image, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + GLint img, GLint row, GLint column ) +{ + GLint alignment; /* 1, 2 or 4 */ + GLint pixels_per_row; + GLint rows_per_image; + GLint skiprows; + GLint skippixels; + GLint skipimages; /* for 3-D volume images */ + GLubyte *pixel_addr; + + ASSERT(dimensions >= 1 && dimensions <= 3); + + alignment = packing->Alignment; + if (packing->RowLength > 0) { + pixels_per_row = packing->RowLength; + } + else { + pixels_per_row = width; + } + if (packing->ImageHeight > 0) { + rows_per_image = packing->ImageHeight; + } + else { + rows_per_image = height; + } + + skippixels = packing->SkipPixels; + /* Note: SKIP_ROWS _is_ used for 1D images */ + skiprows = packing->SkipRows; + /* Note: SKIP_IMAGES is only used for 3D images */ + skipimages = (dimensions == 3) ? packing->SkipImages : 0; + + if (type == GL_BITMAP) { + /* BITMAP data */ + GLint comp_per_pixel; /* components per pixel */ + GLint bytes_per_comp; /* bytes per component */ + GLint bytes_per_row; + GLint bytes_per_image; + + /* Compute bytes per component */ + bytes_per_comp = _mesa_sizeof_packed_type( type ); + if (bytes_per_comp < 0) { + return NULL; + } + + /* Compute number of components per pixel */ + comp_per_pixel = _mesa_components_in_format( format ); + if (comp_per_pixel < 0) { + return NULL; + } + + bytes_per_row = alignment + * CEILING( comp_per_pixel*pixels_per_row, 8*alignment ); + + bytes_per_image = bytes_per_row * rows_per_image; + + pixel_addr = (GLubyte *) image + + (skipimages + img) * bytes_per_image + + (skiprows + row) * bytes_per_row + + (skippixels + column) / 8; + } + else { + /* Non-BITMAP data */ + GLint bytes_per_pixel, bytes_per_row, remainder, bytes_per_image; + GLint topOfImage; + + bytes_per_pixel = _mesa_bytes_per_pixel( format, type ); + + /* The pixel type and format should have been error checked earlier */ + assert(bytes_per_pixel > 0); + + bytes_per_row = pixels_per_row * bytes_per_pixel; + remainder = bytes_per_row % alignment; + if (remainder > 0) + bytes_per_row += (alignment - remainder); + + ASSERT(bytes_per_row % alignment == 0); + + bytes_per_image = bytes_per_row * rows_per_image; + + if (packing->Invert) { + /* set pixel_addr to the last row */ + topOfImage = bytes_per_row * (height - 1); + bytes_per_row = -bytes_per_row; + } + else { + topOfImage = 0; + } + + /* compute final pixel address */ + pixel_addr = (GLubyte *) image + + (skipimages + img) * bytes_per_image + + topOfImage + + (skiprows + row) * bytes_per_row + + (skippixels + column) * bytes_per_pixel; + } + + return (GLvoid *) pixel_addr; +} + + +GLvoid * +_mesa_image_address1d( const struct gl_pixelstore_attrib *packing, + const GLvoid *image, + GLsizei width, + GLenum format, GLenum type, + GLint column ) +{ + return _mesa_image_address(1, packing, image, width, 1, + format, type, 0, 0, column); +} + + +GLvoid * +_mesa_image_address2d( const struct gl_pixelstore_attrib *packing, + const GLvoid *image, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + GLint row, GLint column ) +{ + return _mesa_image_address(2, packing, image, width, height, + format, type, 0, row, column); +} + + +GLvoid * +_mesa_image_address3d( const struct gl_pixelstore_attrib *packing, + const GLvoid *image, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + GLint img, GLint row, GLint column ) +{ + return _mesa_image_address(3, packing, image, width, height, + format, type, img, row, column); +} + + + +/** + * Compute the stride (in bytes) between image rows. + * + * \param packing the pixelstore attributes + * \param width image width. + * \param format pixel format. + * \param type pixel data type. + * + * \return the stride in bytes for the given parameters, or -1 if error + */ +GLint +_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing, + GLint width, GLenum format, GLenum type ) +{ + GLint bytesPerRow, remainder; + + ASSERT(packing); + + if (type == GL_BITMAP) { + if (packing->RowLength == 0) { + bytesPerRow = (width + 7) / 8; + } + else { + bytesPerRow = (packing->RowLength + 7) / 8; + } + } + else { + /* Non-BITMAP data */ + const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type); + if (bytesPerPixel <= 0) + return -1; /* error */ + if (packing->RowLength == 0) { + bytesPerRow = bytesPerPixel * width; + } + else { + bytesPerRow = bytesPerPixel * packing->RowLength; + } + } + + remainder = bytesPerRow % packing->Alignment; + if (remainder > 0) { + bytesPerRow += (packing->Alignment - remainder); + } + + if (packing->Invert) { + /* negate the bytes per row (negative row stride) */ + bytesPerRow = -bytesPerRow; + } + + return bytesPerRow; +} + + +/* + * Compute the stride between images in a 3D texture (in bytes) for the given + * pixel packing parameters and image width, format and type. + */ +GLint +_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing, + GLint width, GLint height, + GLenum format, GLenum type ) +{ + GLint bytesPerRow, bytesPerImage, remainder; + + ASSERT(packing); + + if (type == GL_BITMAP) { + if (packing->RowLength == 0) { + bytesPerRow = (width + 7) / 8; + } + else { + bytesPerRow = (packing->RowLength + 7) / 8; + } + } + else { + const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type); + + if (bytesPerPixel <= 0) + return -1; /* error */ + if (packing->RowLength == 0) { + bytesPerRow = bytesPerPixel * width; + } + else { + bytesPerRow = bytesPerPixel * packing->RowLength; + } + } + + remainder = bytesPerRow % packing->Alignment; + if (remainder > 0) + bytesPerRow += (packing->Alignment - remainder); + + if (packing->ImageHeight == 0) + bytesPerImage = bytesPerRow * height; + else + bytesPerImage = bytesPerRow * packing->ImageHeight; + + return bytesPerImage; +} + + + +/** + * "Expand" a bitmap from 1-bit per pixel to 8-bits per pixel. + * This is typically used to convert a bitmap into a GLubyte/pixel texture. + * "On" bits will set texels to \p onValue. + * "Off" bits will not modify texels. + * \param width src bitmap width in pixels + * \param height src bitmap height in pixels + * \param unpack bitmap unpacking state + * \param bitmap the src bitmap data + * \param destBuffer start of dest buffer + * \param destStride row stride in dest buffer + * \param onValue if bit is 1, set destBuffer pixel to this value + */ +void +_mesa_expand_bitmap(GLsizei width, GLsizei height, + const struct gl_pixelstore_attrib *unpack, + const GLubyte *bitmap, + GLubyte *destBuffer, GLint destStride, + GLubyte onValue) +{ + const GLubyte *srcRow = (const GLubyte *) + _mesa_image_address2d(unpack, bitmap, width, height, + GL_COLOR_INDEX, GL_BITMAP, 0, 0); + const GLint srcStride = _mesa_image_row_stride(unpack, width, + GL_COLOR_INDEX, GL_BITMAP); + GLint row, col; + +#define SET_PIXEL(COL, ROW) \ + destBuffer[(ROW) * destStride + (COL)] = onValue; + + for (row = 0; row < height; row++) { + const GLubyte *src = srcRow; + + if (unpack->LsbFirst) { + /* Lsb first */ + GLubyte mask = 1U << (unpack->SkipPixels & 0x7); + for (col = 0; col < width; col++) { + + if (*src & mask) { + SET_PIXEL(col, row); + } + + if (mask == 128U) { + src++; + mask = 1U; + } + else { + mask = mask << 1; + } + } + + /* get ready for next row */ + if (mask != 1) + src++; + } + else { + /* Msb first */ + GLubyte mask = 128U >> (unpack->SkipPixels & 0x7); + for (col = 0; col < width; col++) { + + if (*src & mask) { + SET_PIXEL(col, row); + } + + if (mask == 1U) { + src++; + mask = 128U; + } + else { + mask = mask >> 1; + } + } + + /* get ready for next row */ + if (mask != 128) + src++; + } + + srcRow += srcStride; + } /* row */ + +#undef SET_PIXEL +} + + + + +/** + * Convert an array of RGBA colors from one datatype to another. + * NOTE: src may equal dst. In that case, we use a temporary buffer. + */ +void +_mesa_convert_colors(GLenum srcType, const GLvoid *src, + GLenum dstType, GLvoid *dst, + GLuint count, const GLubyte mask[]) +{ + GLuint tempBuffer[MAX_WIDTH][4]; + const GLboolean useTemp = (src == dst); + + ASSERT(srcType != dstType); + + switch (srcType) { + case GL_UNSIGNED_BYTE: + if (dstType == GL_UNSIGNED_SHORT) { + const GLubyte (*src1)[4] = (const GLubyte (*)[4]) src; + GLushort (*dst2)[4] = (GLushort (*)[4]) (useTemp ? tempBuffer : dst); + GLuint i; + for (i = 0; i < count; i++) { + if (!mask || mask[i]) { + dst2[i][RCOMP] = UBYTE_TO_USHORT(src1[i][RCOMP]); + dst2[i][GCOMP] = UBYTE_TO_USHORT(src1[i][GCOMP]); + dst2[i][BCOMP] = UBYTE_TO_USHORT(src1[i][BCOMP]); + dst2[i][ACOMP] = UBYTE_TO_USHORT(src1[i][ACOMP]); + } + } + if (useTemp) + memcpy(dst, tempBuffer, count * 4 * sizeof(GLushort)); + } + else { + const GLubyte (*src1)[4] = (const GLubyte (*)[4]) src; + GLfloat (*dst4)[4] = (GLfloat (*)[4]) (useTemp ? tempBuffer : dst); + GLuint i; + ASSERT(dstType == GL_FLOAT); + for (i = 0; i < count; i++) { + if (!mask || mask[i]) { + dst4[i][RCOMP] = UBYTE_TO_FLOAT(src1[i][RCOMP]); + dst4[i][GCOMP] = UBYTE_TO_FLOAT(src1[i][GCOMP]); + dst4[i][BCOMP] = UBYTE_TO_FLOAT(src1[i][BCOMP]); + dst4[i][ACOMP] = UBYTE_TO_FLOAT(src1[i][ACOMP]); + } + } + if (useTemp) + memcpy(dst, tempBuffer, count * 4 * sizeof(GLfloat)); + } + break; + case GL_UNSIGNED_SHORT: + if (dstType == GL_UNSIGNED_BYTE) { + const GLushort (*src2)[4] = (const GLushort (*)[4]) src; + GLubyte (*dst1)[4] = (GLubyte (*)[4]) (useTemp ? tempBuffer : dst); + GLuint i; + for (i = 0; i < count; i++) { + if (!mask || mask[i]) { + dst1[i][RCOMP] = USHORT_TO_UBYTE(src2[i][RCOMP]); + dst1[i][GCOMP] = USHORT_TO_UBYTE(src2[i][GCOMP]); + dst1[i][BCOMP] = USHORT_TO_UBYTE(src2[i][BCOMP]); + dst1[i][ACOMP] = USHORT_TO_UBYTE(src2[i][ACOMP]); + } + } + if (useTemp) + memcpy(dst, tempBuffer, count * 4 * sizeof(GLubyte)); + } + else { + const GLushort (*src2)[4] = (const GLushort (*)[4]) src; + GLfloat (*dst4)[4] = (GLfloat (*)[4]) (useTemp ? tempBuffer : dst); + GLuint i; + ASSERT(dstType == GL_FLOAT); + for (i = 0; i < count; i++) { + if (!mask || mask[i]) { + dst4[i][RCOMP] = USHORT_TO_FLOAT(src2[i][RCOMP]); + dst4[i][GCOMP] = USHORT_TO_FLOAT(src2[i][GCOMP]); + dst4[i][BCOMP] = USHORT_TO_FLOAT(src2[i][BCOMP]); + dst4[i][ACOMP] = USHORT_TO_FLOAT(src2[i][ACOMP]); + } + } + if (useTemp) + memcpy(dst, tempBuffer, count * 4 * sizeof(GLfloat)); + } + break; + case GL_FLOAT: + if (dstType == GL_UNSIGNED_BYTE) { + const GLfloat (*src4)[4] = (const GLfloat (*)[4]) src; + GLubyte (*dst1)[4] = (GLubyte (*)[4]) (useTemp ? tempBuffer : dst); + GLuint i; + for (i = 0; i < count; i++) { + if (!mask || mask[i]) { + UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][RCOMP], src4[i][RCOMP]); + UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][GCOMP], src4[i][GCOMP]); + UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][BCOMP], src4[i][BCOMP]); + UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][ACOMP], src4[i][ACOMP]); + } + } + if (useTemp) + memcpy(dst, tempBuffer, count * 4 * sizeof(GLubyte)); + } + else { + const GLfloat (*src4)[4] = (const GLfloat (*)[4]) src; + GLushort (*dst2)[4] = (GLushort (*)[4]) (useTemp ? tempBuffer : dst); + GLuint i; + ASSERT(dstType == GL_UNSIGNED_SHORT); + for (i = 0; i < count; i++) { + if (!mask || mask[i]) { + UNCLAMPED_FLOAT_TO_USHORT(dst2[i][RCOMP], src4[i][RCOMP]); + UNCLAMPED_FLOAT_TO_USHORT(dst2[i][GCOMP], src4[i][GCOMP]); + UNCLAMPED_FLOAT_TO_USHORT(dst2[i][BCOMP], src4[i][BCOMP]); + UNCLAMPED_FLOAT_TO_USHORT(dst2[i][ACOMP], src4[i][ACOMP]); + } + } + if (useTemp) + memcpy(dst, tempBuffer, count * 4 * sizeof(GLushort)); + } + break; + default: + _mesa_problem(NULL, "Invalid datatype in _mesa_convert_colors"); + } +} + + + + +/** + * Perform basic clipping for glDrawPixels. The image's position and size + * and the unpack SkipPixels and SkipRows are adjusted so that the image + * region is entirely within the window and scissor bounds. + * NOTE: this will only work when glPixelZoom is (1, 1) or (1, -1). + * If Pixel.ZoomY is -1, *destY will be changed to be the first row which + * we'll actually write. Beforehand, *destY-1 is the first drawing row. + * + * \return GL_TRUE if image is ready for drawing or + * GL_FALSE if image was completely clipped away (draw nothing) + */ +GLboolean +_mesa_clip_drawpixels(const struct gl_context *ctx, + GLint *destX, GLint *destY, + GLsizei *width, GLsizei *height, + struct gl_pixelstore_attrib *unpack) +{ + const struct gl_framebuffer *buffer = ctx->DrawBuffer; + + if (unpack->RowLength == 0) { + unpack->RowLength = *width; + } + + ASSERT(ctx->Pixel.ZoomX == 1.0F); + ASSERT(ctx->Pixel.ZoomY == 1.0F || ctx->Pixel.ZoomY == -1.0F); + + /* left clipping */ + if (*destX < buffer->_Xmin) { + unpack->SkipPixels += (buffer->_Xmin - *destX); + *width -= (buffer->_Xmin - *destX); + *destX = buffer->_Xmin; + } + /* right clipping */ + if (*destX + *width > buffer->_Xmax) + *width -= (*destX + *width - buffer->_Xmax); + + if (*width <= 0) + return GL_FALSE; + + if (ctx->Pixel.ZoomY == 1.0F) { + /* bottom clipping */ + if (*destY < buffer->_Ymin) { + unpack->SkipRows += (buffer->_Ymin - *destY); + *height -= (buffer->_Ymin - *destY); + *destY = buffer->_Ymin; + } + /* top clipping */ + if (*destY + *height > buffer->_Ymax) + *height -= (*destY + *height - buffer->_Ymax); + } + else { /* upside down */ + /* top clipping */ + if (*destY > buffer->_Ymax) { + unpack->SkipRows += (*destY - buffer->_Ymax); + *height -= (*destY - buffer->_Ymax); + *destY = buffer->_Ymax; + } + /* bottom clipping */ + if (*destY - *height < buffer->_Ymin) + *height -= (buffer->_Ymin - (*destY - *height)); + /* adjust destY so it's the first row to write to */ + (*destY)--; + } + + if (*height <= 0) + return GL_FALSE; + + return GL_TRUE; +} + + +/** + * Perform clipping for glReadPixels. The image's window position + * and size, and the pack skipPixels, skipRows and rowLength are adjusted + * so that the image region is entirely within the window bounds. + * Note: this is different from _mesa_clip_drawpixels() in that the + * scissor box is ignored, and we use the bounds of the current readbuffer + * surface. + * + * \return GL_TRUE if region to read is in bounds + * GL_FALSE if region is completely out of bounds (nothing to read) + */ +GLboolean +_mesa_clip_readpixels(const struct gl_context *ctx, + GLint *srcX, GLint *srcY, + GLsizei *width, GLsizei *height, + struct gl_pixelstore_attrib *pack) +{ + const struct gl_framebuffer *buffer = ctx->ReadBuffer; + + if (pack->RowLength == 0) { + pack->RowLength = *width; + } + + /* left clipping */ + if (*srcX < 0) { + pack->SkipPixels += (0 - *srcX); + *width -= (0 - *srcX); + *srcX = 0; + } + /* right clipping */ + if (*srcX + *width > (GLsizei) buffer->Width) + *width -= (*srcX + *width - buffer->Width); + + if (*width <= 0) + return GL_FALSE; + + /* bottom clipping */ + if (*srcY < 0) { + pack->SkipRows += (0 - *srcY); + *height -= (0 - *srcY); + *srcY = 0; + } + /* top clipping */ + if (*srcY + *height > (GLsizei) buffer->Height) + *height -= (*srcY + *height - buffer->Height); + + if (*height <= 0) + return GL_FALSE; + + return GL_TRUE; +} + + +/** + * Do clipping for a glCopyTexSubImage call. + * The framebuffer source region might extend outside the framebuffer + * bounds. Clip the source region against the framebuffer bounds and + * adjust the texture/dest position and size accordingly. + * + * \return GL_FALSE if region is totally clipped, GL_TRUE otherwise. + */ +GLboolean +_mesa_clip_copytexsubimage(const struct gl_context *ctx, + GLint *destX, GLint *destY, + GLint *srcX, GLint *srcY, + GLsizei *width, GLsizei *height) +{ + const struct gl_framebuffer *fb = ctx->ReadBuffer; + const GLint srcX0 = *srcX, srcY0 = *srcY; + + if (_mesa_clip_to_region(0, 0, fb->Width, fb->Height, + srcX, srcY, width, height)) { + *destX = *destX + *srcX - srcX0; + *destY = *destY + *srcY - srcY0; + + return GL_TRUE; + } + else { + return GL_FALSE; + } +} + + + +/** + * Clip the rectangle defined by (x, y, width, height) against the bounds + * specified by [xmin, xmax) and [ymin, ymax). + * \return GL_FALSE if rect is totally clipped, GL_TRUE otherwise. + */ +GLboolean +_mesa_clip_to_region(GLint xmin, GLint ymin, + GLint xmax, GLint ymax, + GLint *x, GLint *y, + GLsizei *width, GLsizei *height ) +{ + /* left clipping */ + if (*x < xmin) { + *width -= (xmin - *x); + *x = xmin; + } + + /* right clipping */ + if (*x + *width > xmax) + *width -= (*x + *width - xmax); + + if (*width <= 0) + return GL_FALSE; + + /* bottom (or top) clipping */ + if (*y < ymin) { + *height -= (ymin - *y); + *y = ymin; + } + + /* top (or bottom) clipping */ + if (*y + *height > ymax) + *height -= (*y + *height - ymax); + + if (*height <= 0) + return GL_FALSE; + + return GL_TRUE; +} + + +/** + * Clip dst coords against Xmax (or Ymax). + */ +static INLINE void +clip_right_or_top(GLint *srcX0, GLint *srcX1, + GLint *dstX0, GLint *dstX1, + GLint maxValue) +{ + GLfloat t, bias; + + if (*dstX1 > maxValue) { + /* X1 outside right edge */ + ASSERT(*dstX0 < maxValue); /* X0 should be inside right edge */ + t = (GLfloat) (maxValue - *dstX0) / (GLfloat) (*dstX1 - *dstX0); + /* chop off [t, 1] part */ + ASSERT(t >= 0.0 && t <= 1.0); + *dstX1 = maxValue; + bias = (*srcX0 < *srcX1) ? 0.5F : -0.5F; + *srcX1 = *srcX0 + (GLint) (t * (*srcX1 - *srcX0) + bias); + } + else if (*dstX0 > maxValue) { + /* X0 outside right edge */ + ASSERT(*dstX1 < maxValue); /* X1 should be inside right edge */ + t = (GLfloat) (maxValue - *dstX1) / (GLfloat) (*dstX0 - *dstX1); + /* chop off [t, 1] part */ + ASSERT(t >= 0.0 && t <= 1.0); + *dstX0 = maxValue; + bias = (*srcX0 < *srcX1) ? -0.5F : 0.5F; + *srcX0 = *srcX1 + (GLint) (t * (*srcX0 - *srcX1) + bias); + } +} + + +/** + * Clip dst coords against Xmin (or Ymin). + */ +static INLINE void +clip_left_or_bottom(GLint *srcX0, GLint *srcX1, + GLint *dstX0, GLint *dstX1, + GLint minValue) +{ + GLfloat t, bias; + + if (*dstX0 < minValue) { + /* X0 outside left edge */ + ASSERT(*dstX1 > minValue); /* X1 should be inside left edge */ + t = (GLfloat) (minValue - *dstX0) / (GLfloat) (*dstX1 - *dstX0); + /* chop off [0, t] part */ + ASSERT(t >= 0.0 && t <= 1.0); + *dstX0 = minValue; + bias = (*srcX0 < *srcX1) ? 0.5F : -0.5F; /* flipped??? */ + *srcX0 = *srcX0 + (GLint) (t * (*srcX1 - *srcX0) + bias); + } + else if (*dstX1 < minValue) { + /* X1 outside left edge */ + ASSERT(*dstX0 > minValue); /* X0 should be inside left edge */ + t = (GLfloat) (minValue - *dstX1) / (GLfloat) (*dstX0 - *dstX1); + /* chop off [0, t] part */ + ASSERT(t >= 0.0 && t <= 1.0); + *dstX1 = minValue; + bias = (*srcX0 < *srcX1) ? 0.5F : -0.5F; + *srcX1 = *srcX1 + (GLint) (t * (*srcX0 - *srcX1) + bias); + } +} + + +/** + * Do clipping of blit src/dest rectangles. + * The dest rect is clipped against both the buffer bounds and scissor bounds. + * The src rect is just clipped against the buffer bounds. + * + * When either the src or dest rect is clipped, the other is also clipped + * proportionately! + * + * Note that X0 need not be less than X1 (same for Y) for either the source + * and dest rects. That makes the clipping a little trickier. + * + * \return GL_TRUE if anything is left to draw, GL_FALSE if totally clipped + */ +GLboolean +_mesa_clip_blit(struct gl_context *ctx, + GLint *srcX0, GLint *srcY0, GLint *srcX1, GLint *srcY1, + GLint *dstX0, GLint *dstY0, GLint *dstX1, GLint *dstY1) +{ + const GLint srcXmin = 0; + const GLint srcXmax = ctx->ReadBuffer->Width; + const GLint srcYmin = 0; + const GLint srcYmax = ctx->ReadBuffer->Height; + + /* these include scissor bounds */ + const GLint dstXmin = ctx->DrawBuffer->_Xmin; + const GLint dstXmax = ctx->DrawBuffer->_Xmax; + const GLint dstYmin = ctx->DrawBuffer->_Ymin; + const GLint dstYmax = ctx->DrawBuffer->_Ymax; + + /* + printf("PreClipX: src: %d .. %d dst: %d .. %d\n", + *srcX0, *srcX1, *dstX0, *dstX1); + printf("PreClipY: src: %d .. %d dst: %d .. %d\n", + *srcY0, *srcY1, *dstY0, *dstY1); + */ + + /* trivial rejection tests */ + if (*dstX0 == *dstX1) + return GL_FALSE; /* no width */ + if (*dstX0 <= dstXmin && *dstX1 <= dstXmin) + return GL_FALSE; /* totally out (left) of bounds */ + if (*dstX0 >= dstXmax && *dstX1 >= dstXmax) + return GL_FALSE; /* totally out (right) of bounds */ + + if (*dstY0 == *dstY1) + return GL_FALSE; + if (*dstY0 <= dstYmin && *dstY1 <= dstYmin) + return GL_FALSE; + if (*dstY0 >= dstYmax && *dstY1 >= dstYmax) + return GL_FALSE; + + if (*srcX0 == *srcX1) + return GL_FALSE; + if (*srcX0 <= srcXmin && *srcX1 <= srcXmin) + return GL_FALSE; + if (*srcX0 >= srcXmax && *srcX1 >= srcXmax) + return GL_FALSE; + + if (*srcY0 == *srcY1) + return GL_FALSE; + if (*srcY0 <= srcYmin && *srcY1 <= srcYmin) + return GL_FALSE; + if (*srcY0 >= srcYmax && *srcY1 >= srcYmax) + return GL_FALSE; + + /* + * dest clip + */ + clip_right_or_top(srcX0, srcX1, dstX0, dstX1, dstXmax); + clip_right_or_top(srcY0, srcY1, dstY0, dstY1, dstYmax); + clip_left_or_bottom(srcX0, srcX1, dstX0, dstX1, dstXmin); + clip_left_or_bottom(srcY0, srcY1, dstY0, dstY1, dstYmin); + + /* + * src clip (just swap src/dst values from above) + */ + clip_right_or_top(dstX0, dstX1, srcX0, srcX1, srcXmax); + clip_right_or_top(dstY0, dstY1, srcY0, srcY1, srcYmax); + clip_left_or_bottom(dstX0, dstX1, srcX0, srcX1, srcXmin); + clip_left_or_bottom(dstY0, dstY1, srcY0, srcY1, srcYmin); + + /* + printf("PostClipX: src: %d .. %d dst: %d .. %d\n", + *srcX0, *srcX1, *dstX0, *dstX1); + printf("PostClipY: src: %d .. %d dst: %d .. %d\n", + *srcY0, *srcY1, *dstY0, *dstY1); + */ + + ASSERT(*dstX0 >= dstXmin); + ASSERT(*dstX0 <= dstXmax); + ASSERT(*dstX1 >= dstXmin); + ASSERT(*dstX1 <= dstXmax); + + ASSERT(*dstY0 >= dstYmin); + ASSERT(*dstY0 <= dstYmax); + ASSERT(*dstY1 >= dstYmin); + ASSERT(*dstY1 <= dstYmax); + + ASSERT(*srcX0 >= srcXmin); + ASSERT(*srcX0 <= srcXmax); + ASSERT(*srcX1 >= srcXmin); + ASSERT(*srcX1 <= srcXmax); + + ASSERT(*srcY0 >= srcYmin); + ASSERT(*srcY0 <= srcYmax); + ASSERT(*srcY1 >= srcYmin); + ASSERT(*srcY1 <= srcYmax); + + return GL_TRUE; +} diff --git a/mesalib/src/mesa/main/mipmap.c b/mesalib/src/mesa/main/mipmap.c index f2724dbca..8a811cb72 100644 --- a/mesalib/src/mesa/main/mipmap.c +++ b/mesalib/src/mesa/main/mipmap.c @@ -706,6 +706,17 @@ do_row(GLenum datatype, GLuint comps, GLint srcWidth, } } + else if (datatype == GL_FLOAT_32_UNSIGNED_INT_24_8_REV && comps == 1) { + GLuint i, j, k; + const GLfloat *rowA = (const GLfloat *) srcRowA; + const GLfloat *rowB = (const GLfloat *) srcRowB; + GLfloat *dst = (GLfloat *) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + dst[i*2] = (rowA[j*2] + rowA[k*2] + rowB[j*2] + rowB[k*2]) * 0.25F; + } + } + else { _mesa_problem(NULL, "bad format in do_row()"); } @@ -1341,6 +1352,15 @@ do_row_3D(GLenum datatype, GLuint comps, GLint srcWidth, } } + else if (datatype == GL_FLOAT_32_UNSIGNED_INT_24_8_REV && comps == 1) { + DECLARE_ROW_POINTERS(GLfloat, 2); + + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + FILTER_F_3D(0); + } + } + else { _mesa_problem(NULL, "bad format in do_row()"); } diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h index 44ece229f..d610107ad 100644 --- a/mesalib/src/mesa/main/mtypes.h +++ b/mesalib/src/mesa/main/mtypes.h @@ -1856,7 +1856,7 @@ struct gl_program GLbitfield SystemValuesRead; /**< Bitmask of SYSTEM_VALUE_x inputs used */
GLbitfield InputFlags[MAX_PROGRAM_INPUTS]; /**< PROG_PARAM_BIT_x flags */
GLbitfield OutputFlags[MAX_PROGRAM_OUTPUTS]; /**< PROG_PARAM_BIT_x flags */
- GLbitfield TexturesUsed[MAX_TEXTURE_UNITS]; /**< TEXTURE_x_BIT bitmask */
+ GLbitfield TexturesUsed[MAX_COMBINED_TEXTURE_IMAGE_UNITS]; /**< TEXTURE_x_BIT bitmask */
GLbitfield SamplersUsed; /**< Bitfield of which samplers are used */
GLbitfield ShadowSamplers; /**< Texture units used for shadow sampling. */
diff --git a/mesalib/src/mesa/main/pack.c b/mesalib/src/mesa/main/pack.c index 215bc7ba7..817d92912 100644 --- a/mesalib/src/mesa/main/pack.c +++ b/mesalib/src/mesa/main/pack.c @@ -1971,7 +1971,8 @@ extract_uint_indexes(GLuint n, GLuint indexes[], srcType == GL_INT ||
srcType == GL_UNSIGNED_INT_24_8_EXT ||
srcType == GL_HALF_FLOAT_ARB ||
- srcType == GL_FLOAT);
+ srcType == GL_FLOAT ||
+ srcType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
switch (srcType) {
case GL_BITMAP:
@@ -2142,6 +2143,23 @@ extract_uint_indexes(GLuint n, GLuint indexes[], }
}
break;
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ {
+ GLuint i;
+ const GLuint *s = (const GLuint *) src;
+ if (unpack->SwapBytes) {
+ for (i = 0; i < n; i++) {
+ GLuint value = s[i*2+1];
+ SWAP4BYTE(value);
+ indexes[i] = value & 0xff; /* lower 8 bits */
+ }
+ }
+ else {
+ for (i = 0; i < n; i++)
+ indexes[i] = s[i*2+1] & 0xff; /* lower 8 bits */
+ }
+ }
+ break;
default:
_mesa_problem(NULL, "bad srcType in extract_uint_indexes");
@@ -4412,11 +4430,13 @@ _mesa_unpack_stencil_span( struct gl_context *ctx, GLuint n, srcType == GL_INT ||
srcType == GL_UNSIGNED_INT_24_8_EXT ||
srcType == GL_HALF_FLOAT_ARB ||
- srcType == GL_FLOAT);
+ srcType == GL_FLOAT ||
+ srcType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
ASSERT(dstType == GL_UNSIGNED_BYTE ||
dstType == GL_UNSIGNED_SHORT ||
- dstType == GL_UNSIGNED_INT);
+ dstType == GL_UNSIGNED_INT ||
+ dstType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
/* only shift and offset apply to stencil */
transferOps &= IMAGE_SHIFT_OFFSET_BIT;
@@ -4488,6 +4508,15 @@ _mesa_unpack_stencil_span( struct gl_context *ctx, GLuint n, case GL_UNSIGNED_INT:
memcpy(dest, indexes, n * sizeof(GLuint));
break;
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ {
+ GLuint *dst = (GLuint *) dest;
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i*2+1] = indexes[i] & 0xff; /* lower 8 bits */
+ }
+ }
+ break;
default:
_mesa_problem(ctx, "bad dstType in _mesa_unpack_stencil_span");
}
@@ -4798,6 +4827,20 @@ _mesa_unpack_depth_span( struct gl_context *ctx, GLuint n, }
}
break;
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ {
+ GLuint i;
+ const GLfloat *src = (const GLfloat *)source;
+ for (i = 0; i < n; i++) {
+ GLfloat value = src[i * 2];
+ if (srcPacking->SwapBytes) {
+ SWAP4BYTE(value);
+ }
+ depthValues[i] = value;
+ }
+ needClamp = GL_TRUE;
+ }
+ break;
case GL_FLOAT:
DEPTH_VALUES(GLfloat, 1*);
needClamp = GL_TRUE;
@@ -4874,9 +4917,18 @@ _mesa_unpack_depth_span( struct gl_context *ctx, GLuint n, zValues[i] = (GLushort) (depthValues[i] * (GLfloat) depthMax);
}
}
+ else if (dstType == GL_FLOAT) {
+ /* Nothing to do. depthValues is pointing to dest. */
+ }
+ else if (dstType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV) {
+ GLfloat *zValues = (GLfloat*) dest;
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ zValues[i*2] = depthValues[i];
+ }
+ }
else {
- ASSERT(dstType == GL_FLOAT);
- /*ASSERT(depthMax == 1.0F);*/
+ ASSERT(0);
}
free(depthTemp);
@@ -5004,10 +5056,11 @@ _mesa_pack_depth_span( struct gl_context *ctx, GLuint n, GLvoid *dest, /**
- * Pack depth and stencil values as GL_DEPTH_STENCIL/GL_UNSIGNED_INT_24_8.
+ * Pack depth and stencil values as GL_DEPTH_STENCIL (GL_UNSIGNED_INT_24_8 etc)
*/
void
-_mesa_pack_depth_stencil_span(struct gl_context *ctx, GLuint n, GLuint *dest,
+_mesa_pack_depth_stencil_span(struct gl_context *ctx,GLuint n,
+ GLenum dstType, GLuint *dest,
const GLfloat *depthVals,
const GLstencil *stencilVals,
const struct gl_pixelstore_attrib *dstPacking)
@@ -5037,9 +5090,19 @@ _mesa_pack_depth_stencil_span(struct gl_context *ctx, GLuint n, GLuint *dest, stencilVals = stencilCopy;
}
- for (i = 0; i < n; i++) {
- GLuint z = (GLuint) (depthVals[i] * 0xffffff);
- dest[i] = (z << 8) | (stencilVals[i] & 0xff);
+ switch (dstType) {
+ case GL_UNSIGNED_INT_24_8:
+ for (i = 0; i < n; i++) {
+ GLuint z = (GLuint) (depthVals[i] * 0xffffff);
+ dest[i] = (z << 8) | (stencilVals[i] & 0xff);
+ }
+ break;
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ for (i = 0; i < n; i++) {
+ ((GLfloat*)dest)[i*2] = depthVals[i];
+ dest[i*2+1] = stencilVals[i] & 0xff;
+ }
+ break;
}
if (dstPacking->SwapBytes) {
diff --git a/mesalib/src/mesa/main/pack.h b/mesalib/src/mesa/main/pack.h index 1f19a5a7c..00aab409e 100644 --- a/mesalib/src/mesa/main/pack.h +++ b/mesalib/src/mesa/main/pack.h @@ -1,147 +1,147 @@ -/*
- * Mesa 3-D graphics library
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 1999-2010 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#ifndef PACK_H
-#define PACK_H
-
-
-#include "mtypes.h"
-
-
-extern void
-_mesa_unpack_polygon_stipple(const GLubyte *pattern, GLuint dest[32],
- const struct gl_pixelstore_attrib *unpacking);
-
-
-extern void
-_mesa_pack_polygon_stipple(const GLuint pattern[32], GLubyte *dest,
- const struct gl_pixelstore_attrib *packing);
-
-
-extern GLvoid *
-_mesa_unpack_bitmap(GLint width, GLint height, const GLubyte *pixels,
- const struct gl_pixelstore_attrib *packing);
-
-extern void
-_mesa_pack_bitmap(GLint width, GLint height, const GLubyte *source,
- GLubyte *dest, const struct gl_pixelstore_attrib *packing);
-
-
-extern void
-_mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n,
- GLfloat rgba[][4],
- GLenum dstFormat, GLenum dstType, GLvoid *dstAddr,
- const struct gl_pixelstore_attrib *dstPacking,
- GLbitfield transferOps);
-
-
-extern void
-_mesa_unpack_color_span_chan(struct gl_context *ctx,
- GLuint n, GLenum dstFormat, GLchan dest[],
- GLenum srcFormat, GLenum srcType,
- const GLvoid *source,
- const struct gl_pixelstore_attrib *srcPacking,
- GLbitfield transferOps);
-
-
-extern void
-_mesa_unpack_color_span_float(struct gl_context *ctx,
- GLuint n, GLenum dstFormat, GLfloat dest[],
- GLenum srcFormat, GLenum srcType,
- const GLvoid *source,
- const struct gl_pixelstore_attrib *srcPacking,
- GLbitfield transferOps);
-
-extern void
-_mesa_unpack_color_span_uint(struct gl_context *ctx,
- GLuint n, GLenum dstFormat, GLuint *dest,
- GLenum srcFormat, GLenum srcType,
- const GLvoid *source,
- const struct gl_pixelstore_attrib *srcPacking);
-
-extern void
-_mesa_unpack_dudv_span_byte(struct gl_context *ctx,
- GLuint n, GLenum dstFormat, GLbyte dest[],
- GLenum srcFormat, GLenum srcType,
- const GLvoid *source,
- const struct gl_pixelstore_attrib *srcPacking,
- GLbitfield transferOps);
-
-extern void
-_mesa_unpack_index_span(struct gl_context *ctx, GLuint n,
- GLenum dstType, GLvoid *dest,
- GLenum srcType, const GLvoid *source,
- const struct gl_pixelstore_attrib *srcPacking,
- GLbitfield transferOps);
-
-
-extern void
-_mesa_pack_index_span(struct gl_context *ctx, GLuint n,
- GLenum dstType, GLvoid *dest, const GLuint *source,
- const struct gl_pixelstore_attrib *dstPacking,
- GLbitfield transferOps);
-
-
-extern void
-_mesa_unpack_stencil_span(struct gl_context *ctx, GLuint n,
- GLenum dstType, GLvoid *dest,
- GLenum srcType, const GLvoid *source,
- const struct gl_pixelstore_attrib *srcPacking,
- GLbitfield transferOps);
-
-extern void
-_mesa_pack_stencil_span(struct gl_context *ctx, GLuint n,
- GLenum dstType, GLvoid *dest, const GLstencil *source,
- const struct gl_pixelstore_attrib *dstPacking);
-
-
-extern void
-_mesa_unpack_depth_span(struct gl_context *ctx, GLuint n,
- GLenum dstType, GLvoid *dest, GLuint depthMax,
- GLenum srcType, const GLvoid *source,
- const struct gl_pixelstore_attrib *srcPacking);
-
-extern void
-_mesa_pack_depth_span(struct gl_context *ctx, GLuint n, GLvoid *dest,
- GLenum dstType, const GLfloat *depthSpan,
- const struct gl_pixelstore_attrib *dstPacking);
-
-
-extern void
-_mesa_pack_depth_stencil_span(struct gl_context *ctx,
- GLuint n, GLuint *dest,
- const GLfloat *depthVals,
- const GLstencil *stencilVals,
- const struct gl_pixelstore_attrib *dstPacking);
-
-
-extern void *
-_mesa_unpack_image(GLuint dimensions,
- GLsizei width, GLsizei height, GLsizei depth,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *unpack);
-
-
-#endif
+/* + * Mesa 3-D graphics library + * + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2010 VMware, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef PACK_H +#define PACK_H + + +#include "mtypes.h" + + +extern void +_mesa_unpack_polygon_stipple(const GLubyte *pattern, GLuint dest[32], + const struct gl_pixelstore_attrib *unpacking); + + +extern void +_mesa_pack_polygon_stipple(const GLuint pattern[32], GLubyte *dest, + const struct gl_pixelstore_attrib *packing); + + +extern GLvoid * +_mesa_unpack_bitmap(GLint width, GLint height, const GLubyte *pixels, + const struct gl_pixelstore_attrib *packing); + +extern void +_mesa_pack_bitmap(GLint width, GLint height, const GLubyte *source, + GLubyte *dest, const struct gl_pixelstore_attrib *packing); + + +extern void +_mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, + GLfloat rgba[][4], + GLenum dstFormat, GLenum dstType, GLvoid *dstAddr, + const struct gl_pixelstore_attrib *dstPacking, + GLbitfield transferOps); + + +extern void +_mesa_unpack_color_span_chan(struct gl_context *ctx, + GLuint n, GLenum dstFormat, GLchan dest[], + GLenum srcFormat, GLenum srcType, + const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking, + GLbitfield transferOps); + + +extern void +_mesa_unpack_color_span_float(struct gl_context *ctx, + GLuint n, GLenum dstFormat, GLfloat dest[], + GLenum srcFormat, GLenum srcType, + const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking, + GLbitfield transferOps); + +extern void +_mesa_unpack_color_span_uint(struct gl_context *ctx, + GLuint n, GLenum dstFormat, GLuint *dest, + GLenum srcFormat, GLenum srcType, + const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking); + +extern void +_mesa_unpack_dudv_span_byte(struct gl_context *ctx, + GLuint n, GLenum dstFormat, GLbyte dest[], + GLenum srcFormat, GLenum srcType, + const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking, + GLbitfield transferOps); + +extern void +_mesa_unpack_index_span(struct gl_context *ctx, GLuint n, + GLenum dstType, GLvoid *dest, + GLenum srcType, const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking, + GLbitfield transferOps); + + +extern void +_mesa_pack_index_span(struct gl_context *ctx, GLuint n, + GLenum dstType, GLvoid *dest, const GLuint *source, + const struct gl_pixelstore_attrib *dstPacking, + GLbitfield transferOps); + + +extern void +_mesa_unpack_stencil_span(struct gl_context *ctx, GLuint n, + GLenum dstType, GLvoid *dest, + GLenum srcType, const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking, + GLbitfield transferOps); + +extern void +_mesa_pack_stencil_span(struct gl_context *ctx, GLuint n, + GLenum dstType, GLvoid *dest, const GLstencil *source, + const struct gl_pixelstore_attrib *dstPacking); + + +extern void +_mesa_unpack_depth_span(struct gl_context *ctx, GLuint n, + GLenum dstType, GLvoid *dest, GLuint depthMax, + GLenum srcType, const GLvoid *source, + const struct gl_pixelstore_attrib *srcPacking); + +extern void +_mesa_pack_depth_span(struct gl_context *ctx, GLuint n, GLvoid *dest, + GLenum dstType, const GLfloat *depthSpan, + const struct gl_pixelstore_attrib *dstPacking); + + +extern void +_mesa_pack_depth_stencil_span(struct gl_context *ctx,GLuint n, + GLenum dstType, GLuint *dest, + const GLfloat *depthVals, + const GLstencil *stencilVals, + const struct gl_pixelstore_attrib *dstPacking); + + +extern void * +_mesa_unpack_image(GLuint dimensions, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *unpack); + + +#endif diff --git a/mesalib/src/mesa/main/readpix.c b/mesalib/src/mesa/main/readpix.c index e9f5b3c41..ecd9ba1f7 100644 --- a/mesalib/src/mesa/main/readpix.c +++ b/mesalib/src/mesa/main/readpix.c @@ -61,6 +61,14 @@ _mesa_error_check_format_type(struct gl_context *ctx, GLenum format, return GL_TRUE;
}
+ if (ctx->Extensions.ARB_depth_buffer_float
+ && type == GL_FLOAT_32_UNSIGNED_INT_24_8_REV
+ && format != GL_DEPTH_STENCIL_EXT) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "gl%sPixels(format is not GL_DEPTH_STENCIL_EXT)", readDraw);
+ return GL_TRUE;
+ }
+
/* basic combinations test */
if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
_mesa_error(ctx, GL_INVALID_ENUM,
@@ -142,10 +150,23 @@ _mesa_error_check_format_type(struct gl_context *ctx, GLenum format, }
break;
case GL_DEPTH_STENCIL_EXT:
- if (!ctx->Extensions.EXT_packed_depth_stencil ||
- type != GL_UNSIGNED_INT_24_8_EXT) {
- _mesa_error(ctx, GL_INVALID_ENUM, "gl%sPixels(type)", readDraw);
- return GL_TRUE;
+ /* Check validity of the type first. */
+ switch (type) {
+ case GL_UNSIGNED_INT_24_8_EXT:
+ if (!ctx->Extensions.EXT_packed_depth_stencil) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "gl%sPixels(type)", readDraw);
+ return GL_TRUE;
+ }
+ break;
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ if (!ctx->Extensions.ARB_depth_buffer_float) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "gl%sPixels(type)", readDraw);
+ return GL_TRUE;
+ }
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "gl%sPixels(type)", readDraw);
+ return GL_TRUE;
}
if ((drawing && !_mesa_dest_buffer_exists(ctx, format)) ||
(reading && !_mesa_source_buffer_exists(ctx, format))) {
diff --git a/mesalib/src/mesa/main/renderbuffer.c b/mesalib/src/mesa/main/renderbuffer.c index 8733853cb..6ae8b1f96 100644 --- a/mesalib/src/mesa/main/renderbuffer.c +++ b/mesalib/src/mesa/main/renderbuffer.c @@ -66,6 +66,9 @@ get_datatype_bytes(struct gl_renderbuffer *rb) int component_size;
switch (rb->DataType) {
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ component_size = 8;
+ break;
case GL_FLOAT:
case GL_UNSIGNED_INT:
case GL_UNSIGNED_INT_24_8_EXT:
diff --git a/mesalib/src/mesa/main/samplerobj.c b/mesalib/src/mesa/main/samplerobj.c index 9a5ba2955..0d6a33bbd 100644 --- a/mesalib/src/mesa/main/samplerobj.c +++ b/mesalib/src/mesa/main/samplerobj.c @@ -251,7 +251,7 @@ _mesa_BindSampler(GLuint unit, GLuint sampler) struct gl_sampler_object *sampObj;
GET_CURRENT_CONTEXT(ctx);
- if (unit >= ctx->Const.MaxTextureImageUnits) {
+ if (unit >= ctx->Const.MaxCombinedTextureImageUnits) {
_mesa_error(ctx, GL_INVALID_VALUE, "glBindSampler(unit %u)", unit);
return;
}
diff --git a/mesalib/src/mesa/main/shaderapi.c b/mesalib/src/mesa/main/shaderapi.c index cbc51ce19..94671ea25 100644 --- a/mesalib/src/mesa/main/shaderapi.c +++ b/mesalib/src/mesa/main/shaderapi.c @@ -1032,7 +1032,7 @@ validate_samplers(const struct gl_program *prog, char *errMsg) "TEXTURE_2D",
"TEXTURE_1D",
};
- GLint targetUsed[MAX_TEXTURE_IMAGE_UNITS];
+ GLint targetUsed[MAX_COMBINED_TEXTURE_IMAGE_UNITS];
GLbitfield samplersUsed = prog->SamplersUsed;
GLuint i;
@@ -1050,7 +1050,7 @@ validate_samplers(const struct gl_program *prog, char *errMsg) gl_texture_index target;
GLint sampler = _mesa_ffs(samplersUsed) - 1;
assert(sampler >= 0);
- assert(sampler < MAX_TEXTURE_IMAGE_UNITS);
+ assert(sampler < Elements(prog->SamplerUnits));
unit = prog->SamplerUnits[sampler];
target = prog->SamplerTargets[sampler];
if (targetUsed[unit] != -1 && targetUsed[unit] != (int) target) {
diff --git a/mesalib/src/mesa/main/texenv.c b/mesalib/src/mesa/main/texenv.c index 7363e2794..7419a08fc 100644 --- a/mesalib/src/mesa/main/texenv.c +++ b/mesalib/src/mesa/main/texenv.c @@ -419,7 +419,7 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) ASSERT_OUTSIDE_BEGIN_END(ctx);
maxUnit = (target == GL_POINT_SPRITE_NV && pname == GL_COORD_REPLACE_NV)
- ? ctx->Const.MaxTextureCoordUnits : ctx->Const.MaxTextureImageUnits;
+ ? ctx->Const.MaxTextureCoordUnits : ctx->Const.MaxCombinedTextureImageUnits;
if (ctx->Texture.CurrentUnit >= maxUnit) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glTexEnvfv(current unit)");
return;
@@ -748,7 +748,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) ASSERT_OUTSIDE_BEGIN_END(ctx);
maxUnit = (target == GL_POINT_SPRITE_NV && pname == GL_COORD_REPLACE_NV)
- ? ctx->Const.MaxTextureCoordUnits : ctx->Const.MaxTextureImageUnits;
+ ? ctx->Const.MaxTextureCoordUnits : ctx->Const.MaxCombinedTextureImageUnits;
if (ctx->Texture.CurrentUnit >= maxUnit) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexEnvfv(current unit)");
return;
@@ -817,7 +817,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) ASSERT_OUTSIDE_BEGIN_END(ctx);
maxUnit = (target == GL_POINT_SPRITE_NV && pname == GL_COORD_REPLACE_NV)
- ? ctx->Const.MaxTextureCoordUnits : ctx->Const.MaxTextureImageUnits;
+ ? ctx->Const.MaxTextureCoordUnits : ctx->Const.MaxCombinedTextureImageUnits;
if (ctx->Texture.CurrentUnit >= maxUnit) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexEnviv(current unit)");
return;
diff --git a/mesalib/src/mesa/main/texfetch.c b/mesalib/src/mesa/main/texfetch.c index ab3abf657..72283eb68 100644 --- a/mesalib/src/mesa/main/texfetch.c +++ b/mesalib/src/mesa/main/texfetch.c @@ -1,1050 +1,1064 @@ -/*
- * Mesa 3-D graphics library
- * Version: 7.7
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (c) 2009 VMware, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file texfetch.c
- *
- * Texel fetch/store functions
- *
- * \author Gareth Hughes
- */
-
-
-#include "colormac.h"
-#include "macros.h"
-#include "texcompress.h"
-#include "texcompress_fxt1.h"
-#include "texcompress_s3tc.h"
-#include "texcompress_rgtc.h"
-#include "texfetch.h"
-#include "teximage.h"
-#include "../../gallium/auxiliary/util/u_format_rgb9e5.h"
-#include "../../gallium/auxiliary/util/u_format_r11g11b10f.h"
-
-
-/**
- * Convert an 8-bit sRGB value from non-linear space to a
- * linear RGB value in [0, 1].
- * Implemented with a 256-entry lookup table.
- */
-static INLINE GLfloat
-nonlinear_to_linear(GLubyte cs8)
-{
- static GLfloat table[256];
- static GLboolean tableReady = GL_FALSE;
- if (!tableReady) {
- /* compute lookup table now */
- GLuint i;
- for (i = 0; i < 256; i++) {
- const GLfloat cs = UBYTE_TO_FLOAT(i);
- if (cs <= 0.04045) {
- table[i] = cs / 12.92f;
- }
- else {
- table[i] = (GLfloat) pow((cs + 0.055) / 1.055, 2.4);
- }
- }
- tableReady = GL_TRUE;
- }
- return table[cs8];
-}
-
-
-
-/* Texel fetch routines for all supported formats
- */
-#define DIM 1
-#include "texfetch_tmp.h"
-
-#define DIM 2
-#include "texfetch_tmp.h"
-
-#define DIM 3
-#include "texfetch_tmp.h"
-
-/**
- * Null texel fetch function.
- *
- * Have to have this so the FetchTexel function pointer is never NULL.
- */
-static void fetch_null_texelf( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- (void) texImage; (void) i; (void) j; (void) k;
- texel[RCOMP] = 0.0;
- texel[GCOMP] = 0.0;
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 0.0;
- _mesa_warning(NULL, "fetch_null_texelf() called!");
-}
-
-static void store_null_texel(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- (void) texImage;
- (void) i;
- (void) j;
- (void) k;
- (void) texel;
- /* no-op */
-}
-
-
-
-/**
- * Table to map MESA_FORMAT_ to texel fetch/store funcs.
- * XXX this is somewhat temporary.
- */
-static struct {
- gl_format Name;
- FetchTexelFuncF Fetch1D;
- FetchTexelFuncF Fetch2D;
- FetchTexelFuncF Fetch3D;
- StoreTexelFunc StoreTexel;
-}
-texfetch_funcs[MESA_FORMAT_COUNT] =
-{
- {
- MESA_FORMAT_NONE,
- fetch_null_texelf,
- fetch_null_texelf,
- fetch_null_texelf,
- store_null_texel
- },
-
- {
- MESA_FORMAT_RGBA8888,
- fetch_texel_1d_f_rgba8888,
- fetch_texel_2d_f_rgba8888,
- fetch_texel_3d_f_rgba8888,
- store_texel_rgba8888
- },
- {
- MESA_FORMAT_RGBA8888_REV,
- fetch_texel_1d_f_rgba8888_rev,
- fetch_texel_2d_f_rgba8888_rev,
- fetch_texel_3d_f_rgba8888_rev,
- store_texel_rgba8888_rev
- },
- {
- MESA_FORMAT_ARGB8888,
- fetch_texel_1d_f_argb8888,
- fetch_texel_2d_f_argb8888,
- fetch_texel_3d_f_argb8888,
- store_texel_argb8888
- },
- {
- MESA_FORMAT_ARGB8888_REV,
- fetch_texel_1d_f_argb8888_rev,
- fetch_texel_2d_f_argb8888_rev,
- fetch_texel_3d_f_argb8888_rev,
- store_texel_argb8888_rev
- },
- {
- MESA_FORMAT_XRGB8888,
- fetch_texel_1d_f_xrgb8888,
- fetch_texel_2d_f_xrgb8888,
- fetch_texel_3d_f_xrgb8888,
- store_texel_xrgb8888
- },
- {
- MESA_FORMAT_XRGB8888_REV,
- fetch_texel_1d_f_xrgb8888_rev,
- fetch_texel_2d_f_xrgb8888_rev,
- fetch_texel_3d_f_xrgb8888_rev,
- store_texel_xrgb8888_rev,
- },
- {
- MESA_FORMAT_RGB888,
- fetch_texel_1d_f_rgb888,
- fetch_texel_2d_f_rgb888,
- fetch_texel_3d_f_rgb888,
- store_texel_rgb888
- },
- {
- MESA_FORMAT_BGR888,
- fetch_texel_1d_f_bgr888,
- fetch_texel_2d_f_bgr888,
- fetch_texel_3d_f_bgr888,
- store_texel_bgr888
- },
- {
- MESA_FORMAT_RGB565,
- fetch_texel_1d_f_rgb565,
- fetch_texel_2d_f_rgb565,
- fetch_texel_3d_f_rgb565,
- store_texel_rgb565
- },
- {
- MESA_FORMAT_RGB565_REV,
- fetch_texel_1d_f_rgb565_rev,
- fetch_texel_2d_f_rgb565_rev,
- fetch_texel_3d_f_rgb565_rev,
- store_texel_rgb565_rev
- },
- {
- MESA_FORMAT_ARGB4444,
- fetch_texel_1d_f_argb4444,
- fetch_texel_2d_f_argb4444,
- fetch_texel_3d_f_argb4444,
- store_texel_argb4444
- },
- {
- MESA_FORMAT_ARGB4444_REV,
- fetch_texel_1d_f_argb4444_rev,
- fetch_texel_2d_f_argb4444_rev,
- fetch_texel_3d_f_argb4444_rev,
- store_texel_argb4444_rev
- },
- {
- MESA_FORMAT_RGBA5551,
- fetch_texel_1d_f_rgba5551,
- fetch_texel_2d_f_rgba5551,
- fetch_texel_3d_f_rgba5551,
- store_texel_rgba5551
- },
- {
- MESA_FORMAT_ARGB1555,
- fetch_texel_1d_f_argb1555,
- fetch_texel_2d_f_argb1555,
- fetch_texel_3d_f_argb1555,
- store_texel_argb1555
- },
- {
- MESA_FORMAT_ARGB1555_REV,
- fetch_texel_1d_f_argb1555_rev,
- fetch_texel_2d_f_argb1555_rev,
- fetch_texel_3d_f_argb1555_rev,
- store_texel_argb1555_rev
- },
- {
- MESA_FORMAT_AL44,
- fetch_texel_1d_f_al44,
- fetch_texel_2d_f_al44,
- fetch_texel_3d_f_al44,
- store_texel_al44
- },
- {
- MESA_FORMAT_AL88,
- fetch_texel_1d_f_al88,
- fetch_texel_2d_f_al88,
- fetch_texel_3d_f_al88,
- store_texel_al88
- },
- {
- MESA_FORMAT_AL88_REV,
- fetch_texel_1d_f_al88_rev,
- fetch_texel_2d_f_al88_rev,
- fetch_texel_3d_f_al88_rev,
- store_texel_al88_rev
- },
- {
- MESA_FORMAT_AL1616,
- fetch_texel_1d_f_al1616,
- fetch_texel_2d_f_al1616,
- fetch_texel_3d_f_al1616,
- store_texel_al1616
- },
- {
- MESA_FORMAT_AL1616_REV,
- fetch_texel_1d_f_al1616_rev,
- fetch_texel_2d_f_al1616_rev,
- fetch_texel_3d_f_al1616_rev,
- store_texel_al1616_rev
- },
- {
- MESA_FORMAT_RGB332,
- fetch_texel_1d_f_rgb332,
- fetch_texel_2d_f_rgb332,
- fetch_texel_3d_f_rgb332,
- store_texel_rgb332
- },
- {
- MESA_FORMAT_A8,
- fetch_texel_1d_f_a8,
- fetch_texel_2d_f_a8,
- fetch_texel_3d_f_a8,
- store_texel_a8
- },
- {
- MESA_FORMAT_A16,
- fetch_texel_1d_f_a16,
- fetch_texel_2d_f_a16,
- fetch_texel_3d_f_a16,
- store_texel_a16
- },
- {
- MESA_FORMAT_L8,
- fetch_texel_1d_f_l8,
- fetch_texel_2d_f_l8,
- fetch_texel_3d_f_l8,
- store_texel_l8
- },
- {
- MESA_FORMAT_L16,
- fetch_texel_1d_f_l16,
- fetch_texel_2d_f_l16,
- fetch_texel_3d_f_l16,
- store_texel_l16
- },
- {
- MESA_FORMAT_I8,
- fetch_texel_1d_f_i8,
- fetch_texel_2d_f_i8,
- fetch_texel_3d_f_i8,
- store_texel_i8
- },
- {
- MESA_FORMAT_I16,
- fetch_texel_1d_f_i16,
- fetch_texel_2d_f_i16,
- fetch_texel_3d_f_i16,
- store_texel_i16
- },
- {
- MESA_FORMAT_CI8,
- fetch_texel_1d_f_ci8,
- fetch_texel_2d_f_ci8,
- fetch_texel_3d_f_ci8,
- store_texel_ci8
- },
- {
- MESA_FORMAT_YCBCR,
- fetch_texel_1d_f_ycbcr,
- fetch_texel_2d_f_ycbcr,
- fetch_texel_3d_f_ycbcr,
- store_texel_ycbcr
- },
- {
- MESA_FORMAT_YCBCR_REV,
- fetch_texel_1d_f_ycbcr_rev,
- fetch_texel_2d_f_ycbcr_rev,
- fetch_texel_3d_f_ycbcr_rev,
- store_texel_ycbcr_rev
- },
- {
- MESA_FORMAT_R8,
- fetch_texel_1d_f_r8,
- fetch_texel_2d_f_r8,
- fetch_texel_3d_f_r8,
- store_texel_r8,
- },
- {
- MESA_FORMAT_RG88,
- fetch_texel_1d_f_rg88,
- fetch_texel_2d_f_rg88,
- fetch_texel_3d_f_rg88,
- store_texel_rg88,
- },
- {
- MESA_FORMAT_RG88_REV,
- fetch_texel_1d_f_rg88_rev,
- fetch_texel_2d_f_rg88_rev,
- fetch_texel_3d_f_rg88_rev,
- store_texel_rg88_rev,
- },
- {
- MESA_FORMAT_R16,
- fetch_texel_1d_f_r16,
- fetch_texel_2d_f_r16,
- fetch_texel_3d_f_r16,
- store_texel_r16,
- },
- {
- MESA_FORMAT_RG1616,
- fetch_texel_1d_f_rg1616,
- fetch_texel_2d_f_rg1616,
- fetch_texel_3d_f_rg1616,
- store_texel_rg1616,
- },
- {
- MESA_FORMAT_RG1616_REV,
- fetch_texel_1d_f_rg1616_rev,
- fetch_texel_2d_f_rg1616_rev,
- fetch_texel_3d_f_rg1616_rev,
- store_texel_rg1616_rev,
- },
- {
- MESA_FORMAT_ARGB2101010,
- fetch_texel_1d_f_argb2101010,
- fetch_texel_2d_f_argb2101010,
- fetch_texel_3d_f_argb2101010,
- store_texel_argb2101010
- },
- {
- MESA_FORMAT_Z24_S8,
- fetch_texel_1d_f_z24_s8,
- fetch_texel_2d_f_z24_s8,
- fetch_texel_3d_f_z24_s8,
- store_texel_z24_s8
- },
- {
- MESA_FORMAT_S8_Z24,
- fetch_texel_1d_f_s8_z24,
- fetch_texel_2d_f_s8_z24,
- fetch_texel_3d_f_s8_z24,
- store_texel_s8_z24
- },
- {
- MESA_FORMAT_Z16,
- fetch_texel_1d_f_z16,
- fetch_texel_2d_f_z16,
- fetch_texel_3d_f_z16,
- store_texel_z16
- },
- {
- MESA_FORMAT_X8_Z24,
- fetch_texel_1d_f_s8_z24,
- fetch_texel_2d_f_s8_z24,
- fetch_texel_3d_f_s8_z24,
- store_texel_s8_z24
- },
- {
- MESA_FORMAT_Z24_X8,
- fetch_texel_1d_f_z24_s8,
- fetch_texel_2d_f_z24_s8,
- fetch_texel_3d_f_z24_s8,
- store_texel_z24_s8
- },
- {
- MESA_FORMAT_Z32,
- fetch_texel_1d_f_z32,
- fetch_texel_2d_f_z32,
- fetch_texel_3d_f_z32,
- store_texel_z32
- },
- {
- MESA_FORMAT_S8,
- NULL,
- NULL,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SRGB8,
- fetch_texel_1d_srgb8,
- fetch_texel_2d_srgb8,
- fetch_texel_3d_srgb8,
- store_texel_srgb8
- },
- {
- MESA_FORMAT_SRGBA8,
- fetch_texel_1d_srgba8,
- fetch_texel_2d_srgba8,
- fetch_texel_3d_srgba8,
- store_texel_srgba8
- },
- {
- MESA_FORMAT_SARGB8,
- fetch_texel_1d_sargb8,
- fetch_texel_2d_sargb8,
- fetch_texel_3d_sargb8,
- store_texel_sargb8
- },
- {
- MESA_FORMAT_SL8,
- fetch_texel_1d_sl8,
- fetch_texel_2d_sl8,
- fetch_texel_3d_sl8,
- store_texel_sl8
- },
- {
- MESA_FORMAT_SLA8,
- fetch_texel_1d_sla8,
- fetch_texel_2d_sla8,
- fetch_texel_3d_sla8,
- store_texel_sla8
- },
- {
- MESA_FORMAT_SRGB_DXT1,
- NULL,
- _mesa_fetch_texel_2d_f_srgb_dxt1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SRGBA_DXT1,
- NULL,
- _mesa_fetch_texel_2d_f_srgba_dxt1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SRGBA_DXT3,
- NULL,
- _mesa_fetch_texel_2d_f_srgba_dxt3,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SRGBA_DXT5,
- NULL,
- _mesa_fetch_texel_2d_f_srgba_dxt5,
- NULL,
- NULL
- },
-
- {
- MESA_FORMAT_RGB_FXT1,
- NULL,
- _mesa_fetch_texel_2d_f_rgb_fxt1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RGBA_FXT1,
- NULL,
- _mesa_fetch_texel_2d_f_rgba_fxt1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RGB_DXT1,
- NULL,
- _mesa_fetch_texel_2d_f_rgb_dxt1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RGBA_DXT1,
- NULL,
- _mesa_fetch_texel_2d_f_rgba_dxt1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RGBA_DXT3,
- NULL,
- _mesa_fetch_texel_2d_f_rgba_dxt3,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RGBA_DXT5,
- NULL,
- _mesa_fetch_texel_2d_f_rgba_dxt5,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RGBA_FLOAT32,
- fetch_texel_1d_f_rgba_f32,
- fetch_texel_2d_f_rgba_f32,
- fetch_texel_3d_f_rgba_f32,
- store_texel_rgba_f32
- },
- {
- MESA_FORMAT_RGBA_FLOAT16,
- fetch_texel_1d_f_rgba_f16,
- fetch_texel_2d_f_rgba_f16,
- fetch_texel_3d_f_rgba_f16,
- store_texel_rgba_f16
- },
- {
- MESA_FORMAT_RGB_FLOAT32,
- fetch_texel_1d_f_rgb_f32,
- fetch_texel_2d_f_rgb_f32,
- fetch_texel_3d_f_rgb_f32,
- store_texel_rgb_f32
- },
- {
- MESA_FORMAT_RGB_FLOAT16,
- fetch_texel_1d_f_rgb_f16,
- fetch_texel_2d_f_rgb_f16,
- fetch_texel_3d_f_rgb_f16,
- store_texel_rgb_f16
- },
- {
- MESA_FORMAT_ALPHA_FLOAT32,
- fetch_texel_1d_f_alpha_f32,
- fetch_texel_2d_f_alpha_f32,
- fetch_texel_3d_f_alpha_f32,
- store_texel_alpha_f32
- },
- {
- MESA_FORMAT_ALPHA_FLOAT16,
- fetch_texel_1d_f_alpha_f16,
- fetch_texel_2d_f_alpha_f16,
- fetch_texel_3d_f_alpha_f16,
- store_texel_alpha_f16
- },
- {
- MESA_FORMAT_LUMINANCE_FLOAT32,
- fetch_texel_1d_f_luminance_f32,
- fetch_texel_2d_f_luminance_f32,
- fetch_texel_3d_f_luminance_f32,
- store_texel_luminance_f32
- },
- {
- MESA_FORMAT_LUMINANCE_FLOAT16,
- fetch_texel_1d_f_luminance_f16,
- fetch_texel_2d_f_luminance_f16,
- fetch_texel_3d_f_luminance_f16,
- store_texel_luminance_f16
- },
- {
- MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
- fetch_texel_1d_f_luminance_alpha_f32,
- fetch_texel_2d_f_luminance_alpha_f32,
- fetch_texel_3d_f_luminance_alpha_f32,
- store_texel_luminance_alpha_f32
- },
- {
- MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
- fetch_texel_1d_f_luminance_alpha_f16,
- fetch_texel_2d_f_luminance_alpha_f16,
- fetch_texel_3d_f_luminance_alpha_f16,
- store_texel_luminance_alpha_f16
- },
- {
- MESA_FORMAT_INTENSITY_FLOAT32,
- fetch_texel_1d_f_intensity_f32,
- fetch_texel_2d_f_intensity_f32,
- fetch_texel_3d_f_intensity_f32,
- store_texel_intensity_f32
- },
- {
- MESA_FORMAT_INTENSITY_FLOAT16,
- fetch_texel_1d_f_intensity_f16,
- fetch_texel_2d_f_intensity_f16,
- fetch_texel_3d_f_intensity_f16,
- store_texel_intensity_f16
- },
- {
- MESA_FORMAT_R_FLOAT32,
- fetch_texel_1d_f_r_f32,
- fetch_texel_2d_f_r_f32,
- fetch_texel_3d_f_r_f32,
- store_texel_r_f32
- },
- {
- MESA_FORMAT_R_FLOAT16,
- fetch_texel_1d_f_r_f16,
- fetch_texel_2d_f_r_f16,
- fetch_texel_3d_f_r_f16,
- store_texel_r_f16
- },
- {
- MESA_FORMAT_RG_FLOAT32,
- fetch_texel_1d_f_rg_f32,
- fetch_texel_2d_f_rg_f32,
- fetch_texel_3d_f_rg_f32,
- store_texel_rg_f32
- },
- {
- MESA_FORMAT_RG_FLOAT16,
- fetch_texel_1d_f_rg_f16,
- fetch_texel_2d_f_rg_f16,
- fetch_texel_3d_f_rg_f16,
- store_texel_rg_f16
- },
-
- /* non-normalized, signed int */
- {
- MESA_FORMAT_RGBA_INT8,
- fetch_texel_1d_rgba_int8,
- fetch_texel_2d_rgba_int8,
- fetch_texel_3d_rgba_int8,
- store_texel_rgba_int8
- },
- {
- MESA_FORMAT_RGBA_INT16,
- fetch_texel_1d_rgba_int16,
- fetch_texel_2d_rgba_int16,
- fetch_texel_3d_rgba_int16,
- store_texel_rgba_int16
- },
- {
- MESA_FORMAT_RGBA_INT32,
- fetch_texel_1d_rgba_int32,
- fetch_texel_2d_rgba_int32,
- fetch_texel_3d_rgba_int32,
- store_texel_rgba_int32
- },
-
- /* non-normalized, unsigned int */
- {
- MESA_FORMAT_RGBA_UINT8,
- fetch_texel_1d_rgba_uint8,
- fetch_texel_2d_rgba_uint8,
- fetch_texel_3d_rgba_uint8,
- store_texel_rgba_uint8
- },
- {
- MESA_FORMAT_RGBA_UINT16,
- fetch_texel_1d_rgba_uint16,
- fetch_texel_2d_rgba_uint16,
- fetch_texel_3d_rgba_uint16,
- store_texel_rgba_uint16
- },
- {
- MESA_FORMAT_RGBA_UINT32,
- fetch_texel_1d_rgba_uint32,
- fetch_texel_2d_rgba_uint32,
- fetch_texel_3d_rgba_uint32,
- store_texel_rgba_uint32
- },
-
- /* dudv */
- {
- MESA_FORMAT_DUDV8,
- fetch_texel_1d_dudv8,
- fetch_texel_2d_dudv8,
- fetch_texel_3d_dudv8,
- NULL
- },
-
- /* signed, normalized */
- {
- MESA_FORMAT_SIGNED_R8,
- fetch_texel_1d_signed_r8,
- fetch_texel_2d_signed_r8,
- fetch_texel_3d_signed_r8,
- store_texel_signed_r8
- },
- {
- MESA_FORMAT_SIGNED_RG88_REV,
- fetch_texel_1d_signed_rg88_rev,
- fetch_texel_2d_signed_rg88_rev,
- fetch_texel_3d_signed_rg88_rev,
- store_texel_signed_rg88_rev
- },
- {
- MESA_FORMAT_SIGNED_RGBX8888,
- fetch_texel_1d_signed_rgbx8888,
- fetch_texel_2d_signed_rgbx8888,
- fetch_texel_3d_signed_rgbx8888,
- store_texel_signed_rgbx8888
- },
- {
- MESA_FORMAT_SIGNED_RGBA8888,
- fetch_texel_1d_signed_rgba8888,
- fetch_texel_2d_signed_rgba8888,
- fetch_texel_3d_signed_rgba8888,
- store_texel_signed_rgba8888
- },
- {
- MESA_FORMAT_SIGNED_RGBA8888_REV,
- fetch_texel_1d_signed_rgba8888_rev,
- fetch_texel_2d_signed_rgba8888_rev,
- fetch_texel_3d_signed_rgba8888_rev,
- store_texel_signed_rgba8888_rev
- },
- {
- MESA_FORMAT_SIGNED_R16,
- fetch_texel_1d_signed_r16,
- fetch_texel_2d_signed_r16,
- fetch_texel_3d_signed_r16,
- store_texel_signed_r16
- },
- {
- MESA_FORMAT_SIGNED_GR1616,
- fetch_texel_1d_signed_rg1616,
- fetch_texel_2d_signed_rg1616,
- fetch_texel_3d_signed_rg1616,
- store_texel_signed_rg1616
- },
- {
- MESA_FORMAT_SIGNED_RGB_16,
- fetch_texel_1d_signed_rgb_16,
- fetch_texel_2d_signed_rgb_16,
- fetch_texel_3d_signed_rgb_16,
- store_texel_signed_rgb_16
- },
- {
- MESA_FORMAT_SIGNED_RGBA_16,
- fetch_texel_1d_signed_rgba_16,
- fetch_texel_2d_signed_rgba_16,
- fetch_texel_3d_signed_rgba_16,
- store_texel_signed_rgba_16
- },
- {
- MESA_FORMAT_RGBA_16,
- fetch_texel_1d_rgba_16,
- fetch_texel_2d_rgba_16,
- fetch_texel_3d_rgba_16,
- store_texel_rgba_16
- },
- {
- MESA_FORMAT_RED_RGTC1,
- NULL,
- _mesa_fetch_texel_2d_f_red_rgtc1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SIGNED_RED_RGTC1,
- NULL,
- _mesa_fetch_texel_2d_f_signed_red_rgtc1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RG_RGTC2,
- NULL,
- _mesa_fetch_texel_2d_f_rg_rgtc2,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SIGNED_RG_RGTC2,
- NULL,
- _mesa_fetch_texel_2d_f_signed_rg_rgtc2,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_L_LATC1,
- NULL,
- _mesa_fetch_texel_2d_f_l_latc1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SIGNED_L_LATC1,
- NULL,
- _mesa_fetch_texel_2d_f_signed_l_latc1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_LA_LATC2,
- NULL,
- _mesa_fetch_texel_2d_f_la_latc2,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SIGNED_LA_LATC2,
- NULL,
- _mesa_fetch_texel_2d_f_signed_la_latc2,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SIGNED_A8,
- fetch_texel_1d_signed_a8,
- fetch_texel_2d_signed_a8,
- fetch_texel_3d_signed_a8,
- store_texel_signed_a8
- },
- {
- MESA_FORMAT_SIGNED_L8,
- fetch_texel_1d_signed_l8,
- fetch_texel_2d_signed_l8,
- fetch_texel_3d_signed_l8,
- store_texel_signed_l8
- },
- {
- MESA_FORMAT_SIGNED_AL88,
- fetch_texel_1d_signed_al88,
- fetch_texel_2d_signed_al88,
- fetch_texel_3d_signed_al88,
- store_texel_signed_al88
- },
- {
- MESA_FORMAT_SIGNED_I8,
- fetch_texel_1d_signed_i8,
- fetch_texel_2d_signed_i8,
- fetch_texel_3d_signed_i8,
- store_texel_signed_i8
- },
- {
- MESA_FORMAT_SIGNED_A16,
- fetch_texel_1d_signed_a16,
- fetch_texel_2d_signed_a16,
- fetch_texel_3d_signed_a16,
- store_texel_signed_a16
- },
- {
- MESA_FORMAT_SIGNED_L16,
- fetch_texel_1d_signed_l16,
- fetch_texel_2d_signed_l16,
- fetch_texel_3d_signed_l16,
- store_texel_signed_l16
- },
- {
- MESA_FORMAT_SIGNED_AL1616,
- fetch_texel_1d_signed_al1616,
- fetch_texel_2d_signed_al1616,
- fetch_texel_3d_signed_al1616,
- store_texel_signed_al1616
- },
- {
- MESA_FORMAT_SIGNED_I16,
- fetch_texel_1d_signed_i16,
- fetch_texel_2d_signed_i16,
- fetch_texel_3d_signed_i16,
- store_texel_signed_i16
- },
- {
- MESA_FORMAT_RGB9_E5_FLOAT,
- fetch_texel_1d_rgb9_e5,
- fetch_texel_2d_rgb9_e5,
- fetch_texel_3d_rgb9_e5,
- store_texel_rgb9_e5
- },
- {
- MESA_FORMAT_R11_G11_B10_FLOAT,
- fetch_texel_1d_r11_g11_b10f,
- fetch_texel_2d_r11_g11_b10f,
- fetch_texel_3d_r11_g11_b10f,
- store_texel_r11_g11_b10f
- }
-};
-
-
-FetchTexelFuncF
-_mesa_get_texel_fetch_func(gl_format format, GLuint dims)
-{
-#ifdef DEBUG
- /* check that the table entries are sorted by format name */
- gl_format fmt;
- for (fmt = 0; fmt < MESA_FORMAT_COUNT; fmt++) {
- assert(texfetch_funcs[fmt].Name == fmt);
- }
-#endif
-
- assert(Elements(texfetch_funcs) == MESA_FORMAT_COUNT);
- assert(format < MESA_FORMAT_COUNT);
-
- switch (dims) {
- case 1:
- return texfetch_funcs[format].Fetch1D;
- case 2:
- return texfetch_funcs[format].Fetch2D;
- case 3:
- return texfetch_funcs[format].Fetch3D;
- default:
- assert(0 && "bad dims in _mesa_get_texel_fetch_func");
- return NULL;
- }
-}
-
-
-StoreTexelFunc
-_mesa_get_texel_store_func(gl_format format)
-{
- assert(format < MESA_FORMAT_COUNT);
- return texfetch_funcs[format].StoreTexel;
-}
-
-
-/**
- * Adaptor for fetching a GLchan texel from a float-valued texture.
- */
-static void
-fetch_texel_float_to_chan(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texelOut)
-{
- GLfloat temp[4];
- GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
-
- ASSERT(texImage->FetchTexelf);
- texImage->FetchTexelf(texImage, i, j, k, temp);
- if (baseFormat == GL_DEPTH_COMPONENT ||
- baseFormat == GL_DEPTH_STENCIL_EXT) {
- /* just one channel */
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
- }
- else {
- /* four channels */
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[1], temp[1]);
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[2], temp[2]);
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[3], temp[3]);
- }
-}
-
-
-#if 0
-/**
- * Adaptor for fetching a float texel from a GLchan-valued texture.
- */
-static void
-fetch_texel_chan_to_float(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texelOut)
-{
- GLchan temp[4];
- GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
-
- ASSERT(texImage->FetchTexelc);
- texImage->FetchTexelc(texImage, i, j, k, temp);
- if (baseFormat == GL_DEPTH_COMPONENT ||
- baseFormat == GL_DEPTH_STENCIL_EXT) {
- /* just one channel */
- texelOut[0] = CHAN_TO_FLOAT(temp[0]);
- }
- else {
- /* four channels */
- texelOut[0] = CHAN_TO_FLOAT(temp[0]);
- texelOut[1] = CHAN_TO_FLOAT(temp[1]);
- texelOut[2] = CHAN_TO_FLOAT(temp[2]);
- texelOut[3] = CHAN_TO_FLOAT(temp[3]);
- }
-}
-#endif
-
-
-/**
- * Initialize the texture image's FetchTexelc and FetchTexelf methods.
- */
-void
-_mesa_set_fetch_functions(struct gl_texture_image *texImage, GLuint dims)
-{
- gl_format format = texImage->TexFormat;
-
- ASSERT(dims == 1 || dims == 2 || dims == 3);
-
- if (texImage->TexObject->Sampler.sRGBDecode == GL_SKIP_DECODE_EXT &&
- _mesa_get_format_color_encoding(format) == GL_SRGB) {
- format = _mesa_get_srgb_format_linear(format);
- }
-
- texImage->FetchTexelf = _mesa_get_texel_fetch_func(format, dims);
-
- texImage->FetchTexelc = fetch_texel_float_to_chan;
-
- ASSERT(texImage->FetchTexelc);
- ASSERT(texImage->FetchTexelf);
-}
-
-void
-_mesa_update_fetch_functions(struct gl_texture_object *texObj)
-{
- GLuint face, i;
- GLuint dims;
-
- dims = _mesa_get_texture_dimensions(texObj->Target);
-
- for (face = 0; face < 6; face++) {
- for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
- if (texObj->Image[face][i]) {
- _mesa_set_fetch_functions(texObj->Image[face][i], dims);
- }
- }
- }
-}
+/* + * Mesa 3-D graphics library + * Version: 7.7 + * + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (c) 2009 VMware, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file texfetch.c + * + * Texel fetch/store functions + * + * \author Gareth Hughes + */ + + +#include "colormac.h" +#include "macros.h" +#include "texcompress.h" +#include "texcompress_fxt1.h" +#include "texcompress_s3tc.h" +#include "texcompress_rgtc.h" +#include "texfetch.h" +#include "teximage.h" +#include "../../gallium/auxiliary/util/u_format_rgb9e5.h" +#include "../../gallium/auxiliary/util/u_format_r11g11b10f.h" + + +/** + * Convert an 8-bit sRGB value from non-linear space to a + * linear RGB value in [0, 1]. + * Implemented with a 256-entry lookup table. + */ +static INLINE GLfloat +nonlinear_to_linear(GLubyte cs8) +{ + static GLfloat table[256]; + static GLboolean tableReady = GL_FALSE; + if (!tableReady) { + /* compute lookup table now */ + GLuint i; + for (i = 0; i < 256; i++) { + const GLfloat cs = UBYTE_TO_FLOAT(i); + if (cs <= 0.04045) { + table[i] = cs / 12.92f; + } + else { + table[i] = (GLfloat) pow((cs + 0.055) / 1.055, 2.4); + } + } + tableReady = GL_TRUE; + } + return table[cs8]; +} + + + +/* Texel fetch routines for all supported formats + */ +#define DIM 1 +#include "texfetch_tmp.h" + +#define DIM 2 +#include "texfetch_tmp.h" + +#define DIM 3 +#include "texfetch_tmp.h" + +/** + * Null texel fetch function. + * + * Have to have this so the FetchTexel function pointer is never NULL. + */ +static void fetch_null_texelf( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + (void) texImage; (void) i; (void) j; (void) k; + texel[RCOMP] = 0.0; + texel[GCOMP] = 0.0; + texel[BCOMP] = 0.0; + texel[ACOMP] = 0.0; + _mesa_warning(NULL, "fetch_null_texelf() called!"); +} + +static void store_null_texel(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + (void) texImage; + (void) i; + (void) j; + (void) k; + (void) texel; + /* no-op */ +} + + + +/** + * Table to map MESA_FORMAT_ to texel fetch/store funcs. + * XXX this is somewhat temporary. + */ +static struct { + gl_format Name; + FetchTexelFuncF Fetch1D; + FetchTexelFuncF Fetch2D; + FetchTexelFuncF Fetch3D; + StoreTexelFunc StoreTexel; +} +texfetch_funcs[MESA_FORMAT_COUNT] = +{ + { + MESA_FORMAT_NONE, + fetch_null_texelf, + fetch_null_texelf, + fetch_null_texelf, + store_null_texel + }, + + { + MESA_FORMAT_RGBA8888, + fetch_texel_1d_f_rgba8888, + fetch_texel_2d_f_rgba8888, + fetch_texel_3d_f_rgba8888, + store_texel_rgba8888 + }, + { + MESA_FORMAT_RGBA8888_REV, + fetch_texel_1d_f_rgba8888_rev, + fetch_texel_2d_f_rgba8888_rev, + fetch_texel_3d_f_rgba8888_rev, + store_texel_rgba8888_rev + }, + { + MESA_FORMAT_ARGB8888, + fetch_texel_1d_f_argb8888, + fetch_texel_2d_f_argb8888, + fetch_texel_3d_f_argb8888, + store_texel_argb8888 + }, + { + MESA_FORMAT_ARGB8888_REV, + fetch_texel_1d_f_argb8888_rev, + fetch_texel_2d_f_argb8888_rev, + fetch_texel_3d_f_argb8888_rev, + store_texel_argb8888_rev + }, + { + MESA_FORMAT_XRGB8888, + fetch_texel_1d_f_xrgb8888, + fetch_texel_2d_f_xrgb8888, + fetch_texel_3d_f_xrgb8888, + store_texel_xrgb8888 + }, + { + MESA_FORMAT_XRGB8888_REV, + fetch_texel_1d_f_xrgb8888_rev, + fetch_texel_2d_f_xrgb8888_rev, + fetch_texel_3d_f_xrgb8888_rev, + store_texel_xrgb8888_rev, + }, + { + MESA_FORMAT_RGB888, + fetch_texel_1d_f_rgb888, + fetch_texel_2d_f_rgb888, + fetch_texel_3d_f_rgb888, + store_texel_rgb888 + }, + { + MESA_FORMAT_BGR888, + fetch_texel_1d_f_bgr888, + fetch_texel_2d_f_bgr888, + fetch_texel_3d_f_bgr888, + store_texel_bgr888 + }, + { + MESA_FORMAT_RGB565, + fetch_texel_1d_f_rgb565, + fetch_texel_2d_f_rgb565, + fetch_texel_3d_f_rgb565, + store_texel_rgb565 + }, + { + MESA_FORMAT_RGB565_REV, + fetch_texel_1d_f_rgb565_rev, + fetch_texel_2d_f_rgb565_rev, + fetch_texel_3d_f_rgb565_rev, + store_texel_rgb565_rev + }, + { + MESA_FORMAT_ARGB4444, + fetch_texel_1d_f_argb4444, + fetch_texel_2d_f_argb4444, + fetch_texel_3d_f_argb4444, + store_texel_argb4444 + }, + { + MESA_FORMAT_ARGB4444_REV, + fetch_texel_1d_f_argb4444_rev, + fetch_texel_2d_f_argb4444_rev, + fetch_texel_3d_f_argb4444_rev, + store_texel_argb4444_rev + }, + { + MESA_FORMAT_RGBA5551, + fetch_texel_1d_f_rgba5551, + fetch_texel_2d_f_rgba5551, + fetch_texel_3d_f_rgba5551, + store_texel_rgba5551 + }, + { + MESA_FORMAT_ARGB1555, + fetch_texel_1d_f_argb1555, + fetch_texel_2d_f_argb1555, + fetch_texel_3d_f_argb1555, + store_texel_argb1555 + }, + { + MESA_FORMAT_ARGB1555_REV, + fetch_texel_1d_f_argb1555_rev, + fetch_texel_2d_f_argb1555_rev, + fetch_texel_3d_f_argb1555_rev, + store_texel_argb1555_rev + }, + { + MESA_FORMAT_AL44, + fetch_texel_1d_f_al44, + fetch_texel_2d_f_al44, + fetch_texel_3d_f_al44, + store_texel_al44 + }, + { + MESA_FORMAT_AL88, + fetch_texel_1d_f_al88, + fetch_texel_2d_f_al88, + fetch_texel_3d_f_al88, + store_texel_al88 + }, + { + MESA_FORMAT_AL88_REV, + fetch_texel_1d_f_al88_rev, + fetch_texel_2d_f_al88_rev, + fetch_texel_3d_f_al88_rev, + store_texel_al88_rev + }, + { + MESA_FORMAT_AL1616, + fetch_texel_1d_f_al1616, + fetch_texel_2d_f_al1616, + fetch_texel_3d_f_al1616, + store_texel_al1616 + }, + { + MESA_FORMAT_AL1616_REV, + fetch_texel_1d_f_al1616_rev, + fetch_texel_2d_f_al1616_rev, + fetch_texel_3d_f_al1616_rev, + store_texel_al1616_rev + }, + { + MESA_FORMAT_RGB332, + fetch_texel_1d_f_rgb332, + fetch_texel_2d_f_rgb332, + fetch_texel_3d_f_rgb332, + store_texel_rgb332 + }, + { + MESA_FORMAT_A8, + fetch_texel_1d_f_a8, + fetch_texel_2d_f_a8, + fetch_texel_3d_f_a8, + store_texel_a8 + }, + { + MESA_FORMAT_A16, + fetch_texel_1d_f_a16, + fetch_texel_2d_f_a16, + fetch_texel_3d_f_a16, + store_texel_a16 + }, + { + MESA_FORMAT_L8, + fetch_texel_1d_f_l8, + fetch_texel_2d_f_l8, + fetch_texel_3d_f_l8, + store_texel_l8 + }, + { + MESA_FORMAT_L16, + fetch_texel_1d_f_l16, + fetch_texel_2d_f_l16, + fetch_texel_3d_f_l16, + store_texel_l16 + }, + { + MESA_FORMAT_I8, + fetch_texel_1d_f_i8, + fetch_texel_2d_f_i8, + fetch_texel_3d_f_i8, + store_texel_i8 + }, + { + MESA_FORMAT_I16, + fetch_texel_1d_f_i16, + fetch_texel_2d_f_i16, + fetch_texel_3d_f_i16, + store_texel_i16 + }, + { + MESA_FORMAT_CI8, + fetch_texel_1d_f_ci8, + fetch_texel_2d_f_ci8, + fetch_texel_3d_f_ci8, + store_texel_ci8 + }, + { + MESA_FORMAT_YCBCR, + fetch_texel_1d_f_ycbcr, + fetch_texel_2d_f_ycbcr, + fetch_texel_3d_f_ycbcr, + store_texel_ycbcr + }, + { + MESA_FORMAT_YCBCR_REV, + fetch_texel_1d_f_ycbcr_rev, + fetch_texel_2d_f_ycbcr_rev, + fetch_texel_3d_f_ycbcr_rev, + store_texel_ycbcr_rev + }, + { + MESA_FORMAT_R8, + fetch_texel_1d_f_r8, + fetch_texel_2d_f_r8, + fetch_texel_3d_f_r8, + store_texel_r8, + }, + { + MESA_FORMAT_RG88, + fetch_texel_1d_f_rg88, + fetch_texel_2d_f_rg88, + fetch_texel_3d_f_rg88, + store_texel_rg88, + }, + { + MESA_FORMAT_RG88_REV, + fetch_texel_1d_f_rg88_rev, + fetch_texel_2d_f_rg88_rev, + fetch_texel_3d_f_rg88_rev, + store_texel_rg88_rev, + }, + { + MESA_FORMAT_R16, + fetch_texel_1d_f_r16, + fetch_texel_2d_f_r16, + fetch_texel_3d_f_r16, + store_texel_r16, + }, + { + MESA_FORMAT_RG1616, + fetch_texel_1d_f_rg1616, + fetch_texel_2d_f_rg1616, + fetch_texel_3d_f_rg1616, + store_texel_rg1616, + }, + { + MESA_FORMAT_RG1616_REV, + fetch_texel_1d_f_rg1616_rev, + fetch_texel_2d_f_rg1616_rev, + fetch_texel_3d_f_rg1616_rev, + store_texel_rg1616_rev, + }, + { + MESA_FORMAT_ARGB2101010, + fetch_texel_1d_f_argb2101010, + fetch_texel_2d_f_argb2101010, + fetch_texel_3d_f_argb2101010, + store_texel_argb2101010 + }, + { + MESA_FORMAT_Z24_S8, + fetch_texel_1d_f_z24_s8, + fetch_texel_2d_f_z24_s8, + fetch_texel_3d_f_z24_s8, + store_texel_z24_s8 + }, + { + MESA_FORMAT_S8_Z24, + fetch_texel_1d_f_s8_z24, + fetch_texel_2d_f_s8_z24, + fetch_texel_3d_f_s8_z24, + store_texel_s8_z24 + }, + { + MESA_FORMAT_Z16, + fetch_texel_1d_f_z16, + fetch_texel_2d_f_z16, + fetch_texel_3d_f_z16, + store_texel_z16 + }, + { + MESA_FORMAT_X8_Z24, + fetch_texel_1d_f_s8_z24, + fetch_texel_2d_f_s8_z24, + fetch_texel_3d_f_s8_z24, + store_texel_s8_z24 + }, + { + MESA_FORMAT_Z24_X8, + fetch_texel_1d_f_z24_s8, + fetch_texel_2d_f_z24_s8, + fetch_texel_3d_f_z24_s8, + store_texel_z24_s8 + }, + { + MESA_FORMAT_Z32, + fetch_texel_1d_f_z32, + fetch_texel_2d_f_z32, + fetch_texel_3d_f_z32, + store_texel_z32 + }, + { + MESA_FORMAT_S8, + NULL, + NULL, + NULL, + NULL + }, + { + MESA_FORMAT_SRGB8, + fetch_texel_1d_srgb8, + fetch_texel_2d_srgb8, + fetch_texel_3d_srgb8, + store_texel_srgb8 + }, + { + MESA_FORMAT_SRGBA8, + fetch_texel_1d_srgba8, + fetch_texel_2d_srgba8, + fetch_texel_3d_srgba8, + store_texel_srgba8 + }, + { + MESA_FORMAT_SARGB8, + fetch_texel_1d_sargb8, + fetch_texel_2d_sargb8, + fetch_texel_3d_sargb8, + store_texel_sargb8 + }, + { + MESA_FORMAT_SL8, + fetch_texel_1d_sl8, + fetch_texel_2d_sl8, + fetch_texel_3d_sl8, + store_texel_sl8 + }, + { + MESA_FORMAT_SLA8, + fetch_texel_1d_sla8, + fetch_texel_2d_sla8, + fetch_texel_3d_sla8, + store_texel_sla8 + }, + { + MESA_FORMAT_SRGB_DXT1, + NULL, + _mesa_fetch_texel_2d_f_srgb_dxt1, + NULL, + NULL + }, + { + MESA_FORMAT_SRGBA_DXT1, + NULL, + _mesa_fetch_texel_2d_f_srgba_dxt1, + NULL, + NULL + }, + { + MESA_FORMAT_SRGBA_DXT3, + NULL, + _mesa_fetch_texel_2d_f_srgba_dxt3, + NULL, + NULL + }, + { + MESA_FORMAT_SRGBA_DXT5, + NULL, + _mesa_fetch_texel_2d_f_srgba_dxt5, + NULL, + NULL + }, + + { + MESA_FORMAT_RGB_FXT1, + NULL, + _mesa_fetch_texel_2d_f_rgb_fxt1, + NULL, + NULL + }, + { + MESA_FORMAT_RGBA_FXT1, + NULL, + _mesa_fetch_texel_2d_f_rgba_fxt1, + NULL, + NULL + }, + { + MESA_FORMAT_RGB_DXT1, + NULL, + _mesa_fetch_texel_2d_f_rgb_dxt1, + NULL, + NULL + }, + { + MESA_FORMAT_RGBA_DXT1, + NULL, + _mesa_fetch_texel_2d_f_rgba_dxt1, + NULL, + NULL + }, + { + MESA_FORMAT_RGBA_DXT3, + NULL, + _mesa_fetch_texel_2d_f_rgba_dxt3, + NULL, + NULL + }, + { + MESA_FORMAT_RGBA_DXT5, + NULL, + _mesa_fetch_texel_2d_f_rgba_dxt5, + NULL, + NULL + }, + { + MESA_FORMAT_RGBA_FLOAT32, + fetch_texel_1d_f_rgba_f32, + fetch_texel_2d_f_rgba_f32, + fetch_texel_3d_f_rgba_f32, + store_texel_rgba_f32 + }, + { + MESA_FORMAT_RGBA_FLOAT16, + fetch_texel_1d_f_rgba_f16, + fetch_texel_2d_f_rgba_f16, + fetch_texel_3d_f_rgba_f16, + store_texel_rgba_f16 + }, + { + MESA_FORMAT_RGB_FLOAT32, + fetch_texel_1d_f_rgb_f32, + fetch_texel_2d_f_rgb_f32, + fetch_texel_3d_f_rgb_f32, + store_texel_rgb_f32 + }, + { + MESA_FORMAT_RGB_FLOAT16, + fetch_texel_1d_f_rgb_f16, + fetch_texel_2d_f_rgb_f16, + fetch_texel_3d_f_rgb_f16, + store_texel_rgb_f16 + }, + { + MESA_FORMAT_ALPHA_FLOAT32, + fetch_texel_1d_f_alpha_f32, + fetch_texel_2d_f_alpha_f32, + fetch_texel_3d_f_alpha_f32, + store_texel_alpha_f32 + }, + { + MESA_FORMAT_ALPHA_FLOAT16, + fetch_texel_1d_f_alpha_f16, + fetch_texel_2d_f_alpha_f16, + fetch_texel_3d_f_alpha_f16, + store_texel_alpha_f16 + }, + { + MESA_FORMAT_LUMINANCE_FLOAT32, + fetch_texel_1d_f_luminance_f32, + fetch_texel_2d_f_luminance_f32, + fetch_texel_3d_f_luminance_f32, + store_texel_luminance_f32 + }, + { + MESA_FORMAT_LUMINANCE_FLOAT16, + fetch_texel_1d_f_luminance_f16, + fetch_texel_2d_f_luminance_f16, + fetch_texel_3d_f_luminance_f16, + store_texel_luminance_f16 + }, + { + MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32, + fetch_texel_1d_f_luminance_alpha_f32, + fetch_texel_2d_f_luminance_alpha_f32, + fetch_texel_3d_f_luminance_alpha_f32, + store_texel_luminance_alpha_f32 + }, + { + MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, + fetch_texel_1d_f_luminance_alpha_f16, + fetch_texel_2d_f_luminance_alpha_f16, + fetch_texel_3d_f_luminance_alpha_f16, + store_texel_luminance_alpha_f16 + }, + { + MESA_FORMAT_INTENSITY_FLOAT32, + fetch_texel_1d_f_intensity_f32, + fetch_texel_2d_f_intensity_f32, + fetch_texel_3d_f_intensity_f32, + store_texel_intensity_f32 + }, + { + MESA_FORMAT_INTENSITY_FLOAT16, + fetch_texel_1d_f_intensity_f16, + fetch_texel_2d_f_intensity_f16, + fetch_texel_3d_f_intensity_f16, + store_texel_intensity_f16 + }, + { + MESA_FORMAT_R_FLOAT32, + fetch_texel_1d_f_r_f32, + fetch_texel_2d_f_r_f32, + fetch_texel_3d_f_r_f32, + store_texel_r_f32 + }, + { + MESA_FORMAT_R_FLOAT16, + fetch_texel_1d_f_r_f16, + fetch_texel_2d_f_r_f16, + fetch_texel_3d_f_r_f16, + store_texel_r_f16 + }, + { + MESA_FORMAT_RG_FLOAT32, + fetch_texel_1d_f_rg_f32, + fetch_texel_2d_f_rg_f32, + fetch_texel_3d_f_rg_f32, + store_texel_rg_f32 + }, + { + MESA_FORMAT_RG_FLOAT16, + fetch_texel_1d_f_rg_f16, + fetch_texel_2d_f_rg_f16, + fetch_texel_3d_f_rg_f16, + store_texel_rg_f16 + }, + + /* non-normalized, signed int */ + { + MESA_FORMAT_RGBA_INT8, + fetch_texel_1d_rgba_int8, + fetch_texel_2d_rgba_int8, + fetch_texel_3d_rgba_int8, + store_texel_rgba_int8 + }, + { + MESA_FORMAT_RGBA_INT16, + fetch_texel_1d_rgba_int16, + fetch_texel_2d_rgba_int16, + fetch_texel_3d_rgba_int16, + store_texel_rgba_int16 + }, + { + MESA_FORMAT_RGBA_INT32, + fetch_texel_1d_rgba_int32, + fetch_texel_2d_rgba_int32, + fetch_texel_3d_rgba_int32, + store_texel_rgba_int32 + }, + + /* non-normalized, unsigned int */ + { + MESA_FORMAT_RGBA_UINT8, + fetch_texel_1d_rgba_uint8, + fetch_texel_2d_rgba_uint8, + fetch_texel_3d_rgba_uint8, + store_texel_rgba_uint8 + }, + { + MESA_FORMAT_RGBA_UINT16, + fetch_texel_1d_rgba_uint16, + fetch_texel_2d_rgba_uint16, + fetch_texel_3d_rgba_uint16, + store_texel_rgba_uint16 + }, + { + MESA_FORMAT_RGBA_UINT32, + fetch_texel_1d_rgba_uint32, + fetch_texel_2d_rgba_uint32, + fetch_texel_3d_rgba_uint32, + store_texel_rgba_uint32 + }, + + /* dudv */ + { + MESA_FORMAT_DUDV8, + fetch_texel_1d_dudv8, + fetch_texel_2d_dudv8, + fetch_texel_3d_dudv8, + NULL + }, + + /* signed, normalized */ + { + MESA_FORMAT_SIGNED_R8, + fetch_texel_1d_signed_r8, + fetch_texel_2d_signed_r8, + fetch_texel_3d_signed_r8, + store_texel_signed_r8 + }, + { + MESA_FORMAT_SIGNED_RG88_REV, + fetch_texel_1d_signed_rg88_rev, + fetch_texel_2d_signed_rg88_rev, + fetch_texel_3d_signed_rg88_rev, + store_texel_signed_rg88_rev + }, + { + MESA_FORMAT_SIGNED_RGBX8888, + fetch_texel_1d_signed_rgbx8888, + fetch_texel_2d_signed_rgbx8888, + fetch_texel_3d_signed_rgbx8888, + store_texel_signed_rgbx8888 + }, + { + MESA_FORMAT_SIGNED_RGBA8888, + fetch_texel_1d_signed_rgba8888, + fetch_texel_2d_signed_rgba8888, + fetch_texel_3d_signed_rgba8888, + store_texel_signed_rgba8888 + }, + { + MESA_FORMAT_SIGNED_RGBA8888_REV, + fetch_texel_1d_signed_rgba8888_rev, + fetch_texel_2d_signed_rgba8888_rev, + fetch_texel_3d_signed_rgba8888_rev, + store_texel_signed_rgba8888_rev + }, + { + MESA_FORMAT_SIGNED_R16, + fetch_texel_1d_signed_r16, + fetch_texel_2d_signed_r16, + fetch_texel_3d_signed_r16, + store_texel_signed_r16 + }, + { + MESA_FORMAT_SIGNED_GR1616, + fetch_texel_1d_signed_rg1616, + fetch_texel_2d_signed_rg1616, + fetch_texel_3d_signed_rg1616, + store_texel_signed_rg1616 + }, + { + MESA_FORMAT_SIGNED_RGB_16, + fetch_texel_1d_signed_rgb_16, + fetch_texel_2d_signed_rgb_16, + fetch_texel_3d_signed_rgb_16, + store_texel_signed_rgb_16 + }, + { + MESA_FORMAT_SIGNED_RGBA_16, + fetch_texel_1d_signed_rgba_16, + fetch_texel_2d_signed_rgba_16, + fetch_texel_3d_signed_rgba_16, + store_texel_signed_rgba_16 + }, + { + MESA_FORMAT_RGBA_16, + fetch_texel_1d_rgba_16, + fetch_texel_2d_rgba_16, + fetch_texel_3d_rgba_16, + store_texel_rgba_16 + }, + { + MESA_FORMAT_RED_RGTC1, + NULL, + _mesa_fetch_texel_2d_f_red_rgtc1, + NULL, + NULL + }, + { + MESA_FORMAT_SIGNED_RED_RGTC1, + NULL, + _mesa_fetch_texel_2d_f_signed_red_rgtc1, + NULL, + NULL + }, + { + MESA_FORMAT_RG_RGTC2, + NULL, + _mesa_fetch_texel_2d_f_rg_rgtc2, + NULL, + NULL + }, + { + MESA_FORMAT_SIGNED_RG_RGTC2, + NULL, + _mesa_fetch_texel_2d_f_signed_rg_rgtc2, + NULL, + NULL + }, + { + MESA_FORMAT_L_LATC1, + NULL, + _mesa_fetch_texel_2d_f_l_latc1, + NULL, + NULL + }, + { + MESA_FORMAT_SIGNED_L_LATC1, + NULL, + _mesa_fetch_texel_2d_f_signed_l_latc1, + NULL, + NULL + }, + { + MESA_FORMAT_LA_LATC2, + NULL, + _mesa_fetch_texel_2d_f_la_latc2, + NULL, + NULL + }, + { + MESA_FORMAT_SIGNED_LA_LATC2, + NULL, + _mesa_fetch_texel_2d_f_signed_la_latc2, + NULL, + NULL + }, + { + MESA_FORMAT_SIGNED_A8, + fetch_texel_1d_signed_a8, + fetch_texel_2d_signed_a8, + fetch_texel_3d_signed_a8, + store_texel_signed_a8 + }, + { + MESA_FORMAT_SIGNED_L8, + fetch_texel_1d_signed_l8, + fetch_texel_2d_signed_l8, + fetch_texel_3d_signed_l8, + store_texel_signed_l8 + }, + { + MESA_FORMAT_SIGNED_AL88, + fetch_texel_1d_signed_al88, + fetch_texel_2d_signed_al88, + fetch_texel_3d_signed_al88, + store_texel_signed_al88 + }, + { + MESA_FORMAT_SIGNED_I8, + fetch_texel_1d_signed_i8, + fetch_texel_2d_signed_i8, + fetch_texel_3d_signed_i8, + store_texel_signed_i8 + }, + { + MESA_FORMAT_SIGNED_A16, + fetch_texel_1d_signed_a16, + fetch_texel_2d_signed_a16, + fetch_texel_3d_signed_a16, + store_texel_signed_a16 + }, + { + MESA_FORMAT_SIGNED_L16, + fetch_texel_1d_signed_l16, + fetch_texel_2d_signed_l16, + fetch_texel_3d_signed_l16, + store_texel_signed_l16 + }, + { + MESA_FORMAT_SIGNED_AL1616, + fetch_texel_1d_signed_al1616, + fetch_texel_2d_signed_al1616, + fetch_texel_3d_signed_al1616, + store_texel_signed_al1616 + }, + { + MESA_FORMAT_SIGNED_I16, + fetch_texel_1d_signed_i16, + fetch_texel_2d_signed_i16, + fetch_texel_3d_signed_i16, + store_texel_signed_i16 + }, + { + MESA_FORMAT_RGB9_E5_FLOAT, + fetch_texel_1d_rgb9_e5, + fetch_texel_2d_rgb9_e5, + fetch_texel_3d_rgb9_e5, + store_texel_rgb9_e5 + }, + { + MESA_FORMAT_R11_G11_B10_FLOAT, + fetch_texel_1d_r11_g11_b10f, + fetch_texel_2d_r11_g11_b10f, + fetch_texel_3d_r11_g11_b10f, + store_texel_r11_g11_b10f + }, + { + MESA_FORMAT_Z32_FLOAT, + fetch_texel_1d_f_r_f32, /* Reuse the R32F functions. */ + fetch_texel_2d_f_r_f32, + fetch_texel_3d_f_r_f32, + store_texel_r_f32 + }, + { + MESA_FORMAT_Z32_FLOAT_X24S8, + fetch_texel_1d_z32f_x24s8, + fetch_texel_2d_z32f_x24s8, + fetch_texel_3d_z32f_x24s8, + store_texel_z32f_x24s8 + } +}; + + +FetchTexelFuncF +_mesa_get_texel_fetch_func(gl_format format, GLuint dims) +{ +#ifdef DEBUG + /* check that the table entries are sorted by format name */ + gl_format fmt; + for (fmt = 0; fmt < MESA_FORMAT_COUNT; fmt++) { + assert(texfetch_funcs[fmt].Name == fmt); + } +#endif + + assert(Elements(texfetch_funcs) == MESA_FORMAT_COUNT); + assert(format < MESA_FORMAT_COUNT); + + switch (dims) { + case 1: + return texfetch_funcs[format].Fetch1D; + case 2: + return texfetch_funcs[format].Fetch2D; + case 3: + return texfetch_funcs[format].Fetch3D; + default: + assert(0 && "bad dims in _mesa_get_texel_fetch_func"); + return NULL; + } +} + + +StoreTexelFunc +_mesa_get_texel_store_func(gl_format format) +{ + assert(format < MESA_FORMAT_COUNT); + return texfetch_funcs[format].StoreTexel; +} + + +/** + * Adaptor for fetching a GLchan texel from a float-valued texture. + */ +static void +fetch_texel_float_to_chan(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texelOut) +{ + GLfloat temp[4]; + GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat); + + ASSERT(texImage->FetchTexelf); + texImage->FetchTexelf(texImage, i, j, k, temp); + if (baseFormat == GL_DEPTH_COMPONENT || + baseFormat == GL_DEPTH_STENCIL_EXT) { + /* just one channel */ + UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]); + } + else { + /* four channels */ + UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]); + UNCLAMPED_FLOAT_TO_CHAN(texelOut[1], temp[1]); + UNCLAMPED_FLOAT_TO_CHAN(texelOut[2], temp[2]); + UNCLAMPED_FLOAT_TO_CHAN(texelOut[3], temp[3]); + } +} + + +#if 0 +/** + * Adaptor for fetching a float texel from a GLchan-valued texture. + */ +static void +fetch_texel_chan_to_float(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texelOut) +{ + GLchan temp[4]; + GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat); + + ASSERT(texImage->FetchTexelc); + texImage->FetchTexelc(texImage, i, j, k, temp); + if (baseFormat == GL_DEPTH_COMPONENT || + baseFormat == GL_DEPTH_STENCIL_EXT) { + /* just one channel */ + texelOut[0] = CHAN_TO_FLOAT(temp[0]); + } + else { + /* four channels */ + texelOut[0] = CHAN_TO_FLOAT(temp[0]); + texelOut[1] = CHAN_TO_FLOAT(temp[1]); + texelOut[2] = CHAN_TO_FLOAT(temp[2]); + texelOut[3] = CHAN_TO_FLOAT(temp[3]); + } +} +#endif + + +/** + * Initialize the texture image's FetchTexelc and FetchTexelf methods. + */ +void +_mesa_set_fetch_functions(struct gl_texture_image *texImage, GLuint dims) +{ + gl_format format = texImage->TexFormat; + + ASSERT(dims == 1 || dims == 2 || dims == 3); + + if (texImage->TexObject->Sampler.sRGBDecode == GL_SKIP_DECODE_EXT && + _mesa_get_format_color_encoding(format) == GL_SRGB) { + format = _mesa_get_srgb_format_linear(format); + } + + texImage->FetchTexelf = _mesa_get_texel_fetch_func(format, dims); + + texImage->FetchTexelc = fetch_texel_float_to_chan; + + ASSERT(texImage->FetchTexelc); + ASSERT(texImage->FetchTexelf); +} + +void +_mesa_update_fetch_functions(struct gl_texture_object *texObj) +{ + GLuint face, i; + GLuint dims; + + dims = _mesa_get_texture_dimensions(texObj->Target); + + for (face = 0; face < 6; face++) { + for (i = 0; i < MAX_TEXTURE_LEVELS; i++) { + if (texObj->Image[face][i]) { + _mesa_set_fetch_functions(texObj->Image[face][i], dims); + } + } + } +} diff --git a/mesalib/src/mesa/main/texfetch_tmp.h b/mesalib/src/mesa/main/texfetch_tmp.h index 278becc11..3b1eedf39 100644 --- a/mesalib/src/mesa/main/texfetch_tmp.h +++ b/mesalib/src/mesa/main/texfetch_tmp.h @@ -1,2379 +1,2402 @@ -/*
- * Mesa 3-D graphics library
- * Version: 7.7
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (c) 2008-2009 VMware, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file texfetch_tmp.h
- * Texel fetch functions template.
- *
- * This template file is used by texfetch.c to generate texel fetch functions
- * for 1-D, 2-D and 3-D texture images.
- *
- * It should be expanded by defining \p DIM as the number texture dimensions
- * (1, 2 or 3). According to the value of \p DIM a series of macros is defined
- * for the texel lookup in the gl_texture_image::Data.
- *
- * \author Gareth Hughes
- * \author Brian Paul
- */
-
-
-#if DIM == 1
-
-#define TEXEL_ADDR( type, image, i, j, k, size ) \
- ((void) (j), (void) (k), ((type *)(image)->Data + (i) * (size)))
-
-#define FETCH(x) fetch_texel_1d_##x
-
-#elif DIM == 2
-
-#define TEXEL_ADDR( type, image, i, j, k, size ) \
- ((void) (k), \
- ((type *)(image)->Data + ((image)->RowStride * (j) + (i)) * (size)))
-
-#define FETCH(x) fetch_texel_2d_##x
-
-#elif DIM == 3
-
-#define TEXEL_ADDR( type, image, i, j, k, size ) \
- ((type *)(image)->Data + ((image)->ImageOffsets[k] \
- + (image)->RowStride * (j) + (i)) * (size))
-
-#define FETCH(x) fetch_texel_3d_##x
-
-#else
-#error illegal number of texture dimensions
-#endif
-
-
-/* MESA_FORMAT_Z32 ***********************************************************/
-
-/* Fetch depth texel from 1D, 2D or 3D 32-bit depth texture,
- * returning 1 GLfloat.
- * Note: no GLchan version of this function.
- */
-static void FETCH(f_z32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[0] = src[0] * (1.0F / 0xffffffff);
-}
-
-#if DIM == 3
-static void store_texel_z32(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLuint *depth = (const GLuint *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- dst[0] = *depth;
-}
-#endif
-
-
-/* MESA_FORMAT_Z16 ***********************************************************/
-
-/* Fetch depth texel from 1D, 2D or 3D 16-bit depth texture,
- * returning 1 GLfloat.
- * Note: no GLchan version of this function.
- */
-static void FETCH(f_z16)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- texel[0] = src[0] * (1.0F / 65535.0F);
-}
-
-#if DIM == 3
-static void store_texel_z16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLushort *depth = (const GLushort *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- dst[0] = *depth;
-}
-#endif
-
-
-/* MESA_FORMAT_RGBA_F32 ******************************************************/
-
-/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT32 texture, returning 4 GLfloats.
- */
-static void FETCH(f_rgba_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 4);
- texel[RCOMP] = src[0];
- texel[GCOMP] = src[1];
- texel[BCOMP] = src[2];
- texel[ACOMP] = src[3];
-}
-
-#if DIM == 3
-static void store_texel_rgba_f32(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *depth = (const GLfloat *) texel;
- GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 4);
- dst[0] = depth[RCOMP];
- dst[1] = depth[GCOMP];
- dst[2] = depth[BCOMP];
- dst[3] = depth[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_RGBA_F16 ******************************************************/
-
-/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT16 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_rgba_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 4);
- texel[RCOMP] = _mesa_half_to_float(src[0]);
- texel[GCOMP] = _mesa_half_to_float(src[1]);
- texel[BCOMP] = _mesa_half_to_float(src[2]);
- texel[ACOMP] = _mesa_half_to_float(src[3]);
-}
-
-#if DIM == 3
-static void store_texel_rgba_f16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *src = (const GLfloat *) texel;
- GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 4);
- dst[0] = _mesa_float_to_half(src[RCOMP]);
- dst[1] = _mesa_float_to_half(src[GCOMP]);
- dst[2] = _mesa_float_to_half(src[BCOMP]);
- dst[3] = _mesa_float_to_half(src[ACOMP]);
-}
-#endif
-
-/* MESA_FORMAT_RGB_F32 *******************************************************/
-
-/* Fetch texel from 1D, 2D or 3D RGB_FLOAT32 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_rgb_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 3);
- texel[RCOMP] = src[0];
- texel[GCOMP] = src[1];
- texel[BCOMP] = src[2];
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_rgb_f32(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *src = (const GLfloat *) texel;
- GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 3);
- dst[0] = src[RCOMP];
- dst[1] = src[GCOMP];
- dst[2] = src[BCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_RGB_F16 *******************************************************/
-
-/* Fetch texel from 1D, 2D or 3D RGB_FLOAT16 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_rgb_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 3);
- texel[RCOMP] = _mesa_half_to_float(src[0]);
- texel[GCOMP] = _mesa_half_to_float(src[1]);
- texel[BCOMP] = _mesa_half_to_float(src[2]);
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_rgb_f16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *src = (const GLfloat *) texel;
- GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 3);
- dst[0] = _mesa_float_to_half(src[RCOMP]);
- dst[1] = _mesa_float_to_half(src[GCOMP]);
- dst[2] = _mesa_float_to_half(src[BCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_ALPHA_F32 *****************************************************/
-
-/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT32 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_alpha_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = src[0];
-}
-
-#if DIM == 3
-static void store_texel_alpha_f32(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *rgba = (const GLfloat *) texel;
- GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
- dst[0] = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_ALPHA_F32 *****************************************************/
-
-/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT16 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_alpha_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = _mesa_half_to_float(src[0]);
-}
-
-#if DIM == 3
-static void store_texel_alpha_f16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *rgba = (const GLfloat *) texel;
- GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
- dst[0] = _mesa_float_to_half(rgba[ACOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_LUMINANCE_F32 *************************************************/
-
-/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT32 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_luminance_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = src[0];
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_luminance_f32(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *rgba = (const GLfloat *) texel;
- GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
- dst[0] = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_LUMINANCE_F16 *************************************************/
-
-/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT16 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_luminance_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = _mesa_half_to_float(src[0]);
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_luminance_f16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *rgba = (const GLfloat *) texel;
- GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
- dst[0] = _mesa_float_to_half(rgba[RCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_LUMINANCE_ALPHA_F32 *******************************************/
-
-/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT32 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_luminance_alpha_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = src[0];
- texel[ACOMP] = src[1];
-}
-
-#if DIM == 3
-static void store_texel_luminance_alpha_f32(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *rgba = (const GLfloat *) texel;
- GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_LUMINANCE_ALPHA_F16 *******************************************/
-
-/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT16 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_luminance_alpha_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = _mesa_half_to_float(src[0]);
- texel[ACOMP] = _mesa_half_to_float(src[1]);
-}
-
-#if DIM == 3
-static void store_texel_luminance_alpha_f16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *rgba = (const GLfloat *) texel;
- GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2);
- dst[0] = _mesa_float_to_half(rgba[RCOMP]);
- dst[1] = _mesa_float_to_half(rgba[ACOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_INTENSITY_F32 *************************************************/
-
-/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT32 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_intensity_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] =
- texel[ACOMP] = src[0];
-}
-
-#if DIM == 3
-static void store_texel_intensity_f32(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *rgba = (const GLfloat *) texel;
- GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
- dst[0] = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_INTENSITY_F16 *************************************************/
-
-/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT16 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_intensity_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] =
- texel[ACOMP] = _mesa_half_to_float(src[0]);
-}
-
-#if DIM == 3
-static void store_texel_intensity_f16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *rgba = (const GLfloat *) texel;
- GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
- dst[0] = _mesa_float_to_half(rgba[RCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_R_FLOAT32 *****************************************************/
-
-/* Fetch texel from 1D, 2D or 3D R_FLOAT32 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_r_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
- texel[RCOMP] = src[0];
- texel[GCOMP] = 0.0F;
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_r_f32(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *rgba = (const GLfloat *) texel;
- GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
- dst[0] = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_R_FLOAT16 *****************************************************/
-
-/* Fetch texel from 1D, 2D or 3D R_FLOAT16 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_r_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
- texel[RCOMP] = _mesa_half_to_float(src[0]);
- texel[GCOMP] = 0.0F;
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_r_f16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *rgba = (const GLfloat *) texel;
- GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
- dst[0] = _mesa_float_to_half(rgba[RCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_RG_FLOAT32 ****************************************************/
-
-/* Fetch texel from 1D, 2D or 3D RG_FLOAT32 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_rg_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2);
- texel[RCOMP] = src[0];
- texel[GCOMP] = src[1];
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_rg_f32(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *rgba = (const GLfloat *) texel;
- GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[GCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_RG_FLOAT16 ****************************************************/
-
-/* Fetch texel from 1D, 2D or 3D RG_FLOAT16 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(f_rg_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2);
- texel[RCOMP] = _mesa_half_to_float(src[0]);
- texel[GCOMP] = _mesa_half_to_float(src[1]);
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_rg_f16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *rgba = (const GLfloat *) texel;
- GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2);
- dst[0] = _mesa_float_to_half(rgba[RCOMP]);
- dst[1] = _mesa_float_to_half(rgba[GCOMP]);
-}
-#endif
-
-
-/*
- * Begin Hardware formats
- */
-
-/* MESA_FORMAT_RGBA8888 ******************************************************/
-
-/* Fetch texel from 1D, 2D or 3D rgba8888 texture, return 4 GLfloats */
-static void FETCH(f_rgba8888)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 24) );
- texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
- texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff );
- texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff );
-}
-
-
-
-#if DIM == 3
-static void store_texel_rgba8888(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_RGBA888_REV ***************************************************/
-
-/* Fetch texel from 1D, 2D or 3D abgr8888 texture, return 4 GLchans */
-static void FETCH(f_rgba8888_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff );
- texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff );
- texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
- texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) );
-}
-
-#if DIM == 3
-static void store_texel_rgba8888_rev(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_8888_REV(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_ARGB8888 ******************************************************/
-
-/* Fetch texel from 1D, 2D or 3D argb8888 texture, return 4 GLchans */
-static void FETCH(f_argb8888)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
- texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff );
- texel[BCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff );
- texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) );
-}
-
-#if DIM == 3
-static void store_texel_argb8888(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_ARGB8888_REV **************************************************/
-
-/* Fetch texel from 1D, 2D or 3D argb8888_rev texture, return 4 GLfloats */
-static void FETCH(f_argb8888_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff );
- texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
- texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24) );
- texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff );
-}
-
-#if DIM == 3
-static void store_texel_argb8888_rev(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], rgba[ACOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_XRGB8888 ******************************************************/
-
-/* Fetch texel from 1D, 2D or 3D xrgb8888 texture, return 4 GLchans */
-static void FETCH(f_xrgb8888)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
- texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff );
- texel[BCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff );
- texel[ACOMP] = 1.0f;
-}
-
-#if DIM == 3
-static void store_texel_xrgb8888(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_8888(0xff, rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_XRGB8888_REV **************************************************/
-
-/* Fetch texel from 1D, 2D or 3D xrgb8888_rev texture, return 4 GLfloats */
-static void FETCH(f_xrgb8888_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff );
- texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
- texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24) );
- texel[ACOMP] = 1.0f;
-}
-
-#if DIM == 3
-static void store_texel_xrgb8888_rev(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], 0xff);
-}
-#endif
-
-
-/* MESA_FORMAT_RGB888 ********************************************************/
-
-/* Fetch texel from 1D, 2D or 3D rgb888 texture, return 4 GLchans */
-static void FETCH(f_rgb888)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
- texel[RCOMP] = UBYTE_TO_FLOAT( src[2] );
- texel[GCOMP] = UBYTE_TO_FLOAT( src[1] );
- texel[BCOMP] = UBYTE_TO_FLOAT( src[0] );
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_rgb888(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
- dst[0] = rgba[BCOMP];
- dst[1] = rgba[GCOMP];
- dst[2] = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_BGR888 ********************************************************/
-
-/* Fetch texel from 1D, 2D or 3D bgr888 texture, return 4 GLchans */
-static void FETCH(f_bgr888)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
- texel[RCOMP] = UBYTE_TO_FLOAT( src[0] );
- texel[GCOMP] = UBYTE_TO_FLOAT( src[1] );
- texel[BCOMP] = UBYTE_TO_FLOAT( src[2] );
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_bgr888(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[GCOMP];
- dst[2] = rgba[BCOMP];
-}
-#endif
-
-
-/* use color expansion like (g << 2) | (g >> 4) (does somewhat random rounding)
- instead of slow (g << 2) * 255 / 252 (always rounds down) */
-
-/* MESA_FORMAT_RGB565 ********************************************************/
-
-/* Fetch texel from 1D, 2D or 3D rgb565 texture, return 4 GLchans */
-static void FETCH(f_rgb565)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- const GLushort s = *src;
- texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F);
- texel[GCOMP] = ((s >> 5 ) & 0x3f) * (1.0F / 63.0F);
- texel[BCOMP] = ((s ) & 0x1f) * (1.0F / 31.0F);
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_rgb565(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_565(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_RGB565_REV ****************************************************/
-
-/* Fetch texel from 1D, 2D or 3D rgb565_rev texture, return 4 GLchans */
-static void FETCH(f_rgb565_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- const GLushort s = (*src >> 8) | (*src << 8); /* byte swap */
- texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) );
- texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 3) & 0xfc) | ((s >> 9) & 0x3) );
- texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) );
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_rgb565_rev(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_565(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_ARGB4444 ******************************************************/
-
-/* Fetch texel from 1D, 2D or 3D argb444 texture, return 4 GLchans */
-static void FETCH(f_argb4444)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- const GLushort s = *src;
- texel[RCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F);
- texel[GCOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F);
- texel[BCOMP] = ((s ) & 0xf) * (1.0F / 15.0F);
- texel[ACOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F);
-}
-
-#if DIM == 3
-static void store_texel_argb4444(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_4444(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_ARGB4444_REV **************************************************/
-
-/* Fetch texel from 1D, 2D or 3D argb4444_rev texture, return 4 GLchans */
-static void FETCH(f_argb4444_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- texel[RCOMP] = ((s ) & 0xf) * (1.0F / 15.0F);
- texel[GCOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F);
- texel[BCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F);
- texel[ACOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F);
-}
-
-#if DIM == 3
-static void store_texel_argb4444_rev(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_4444(rgba[ACOMP], rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]);
-}
-#endif
-
-/* MESA_FORMAT_RGBA5551 ******************************************************/
-
-/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */
-static void FETCH(f_rgba5551)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- const GLushort s = *src;
- texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F);
- texel[GCOMP] = ((s >> 6) & 0x1f) * (1.0F / 31.0F);
- texel[BCOMP] = ((s >> 1) & 0x1f) * (1.0F / 31.0F);
- texel[ACOMP] = ((s ) & 0x01) * 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_rgba5551(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_5551(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
-}
-#endif
-
-/* MESA_FORMAT_ARGB1555 ******************************************************/
-
-/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */
-static void FETCH(f_argb1555)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- const GLushort s = *src;
- texel[RCOMP] = ((s >> 10) & 0x1f) * (1.0F / 31.0F);
- texel[GCOMP] = ((s >> 5) & 0x1f) * (1.0F / 31.0F);
- texel[BCOMP] = ((s >> 0) & 0x1f) * (1.0F / 31.0F);
- texel[ACOMP] = ((s >> 15) & 0x01) * 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_argb1555(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_1555(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_ARGB1555_REV **************************************************/
-
-/* Fetch texel from 1D, 2D or 3D argb1555_rev texture, return 4 GLchans */
-static void FETCH(f_argb1555_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- const GLushort s = (*src << 8) | (*src >> 8); /* byteswap */
- texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 7) & 0xf8) | ((s >> 12) & 0x7) );
- texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 2) & 0xf8) | ((s >> 7) & 0x7) );
- texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) );
- texel[ACOMP] = UBYTE_TO_FLOAT( ((s >> 15) & 0x01) * 255 );
-}
-
-#if DIM == 3
-static void store_texel_argb1555_rev(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_1555_REV(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_ARGB2101010 ***************************************************/
-
-/* Fetch texel from 1D, 2D or 3D argb2101010 texture, return 4 GLchans */
-static void FETCH(f_argb2101010)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- const GLuint s = *src;
- texel[RCOMP] = ((s >> 20) & 0x3ff) * (1.0F / 1023.0F);
- texel[GCOMP] = ((s >> 10) & 0x3ff) * (1.0F / 1023.0F);
- texel[BCOMP] = ((s >> 0) & 0x3ff) * (1.0F / 1023.0F);
- texel[ACOMP] = ((s >> 30) & 0x03) * (1.0F / 3.0F);
-}
-
-#if DIM == 3
-static void store_texel_argb2101010(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_2101010_UB(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_RG88 **********************************************************/
-
-/* Fetch texel from 1D, 2D or 3D rg88 texture, return 4 GLchans */
-static void FETCH(f_rg88)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT( s & 0xff );
- texel[GCOMP] = UBYTE_TO_FLOAT( s >> 8 );
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-#if DIM == 3
-static void store_texel_rg88(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_88(rgba[RCOMP], rgba[GCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_RG88_REV ******************************************************/
-
-/* Fetch texel from 1D, 2D or 3D rg88_rev texture, return 4 GLchans */
-static void FETCH(f_rg88_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT( s & 0xff );
- texel[GCOMP] = UBYTE_TO_FLOAT( s >> 8 );
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-#if DIM == 3
-static void store_texel_rg88_rev(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_88(rgba[GCOMP], rgba[RCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_AL44 **********************************************************/
-
-/* Fetch texel from 1D, 2D or 3D al44 texture, return 4 GLchans */
-static void FETCH(f_al44)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte s = *TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = (s & 0xf) * (1.0F / 15.0F);
- texel[ACOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F);
-}
-
-#if DIM == 3
-static void store_texel_al44(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- *dst = PACK_COLOR_44(rgba[ACOMP], rgba[RCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_AL88 **********************************************************/
-
-/* Fetch texel from 1D, 2D or 3D al88 texture, return 4 GLchans */
-static void FETCH(f_al88)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = UBYTE_TO_FLOAT( s & 0xff );
- texel[ACOMP] = UBYTE_TO_FLOAT( s >> 8 );
-}
-
-#if DIM == 3
-static void store_texel_al88(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_88(rgba[ACOMP], rgba[RCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_R8 ************************************************************/
-
-/* Fetch texel from 1D, 2D or 3D rg88 texture, return 4 GLchans */
-static void FETCH(f_r8)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- const GLubyte s = *TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT(s);
- texel[GCOMP] = 0.0;
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-#if DIM == 3
-static void store_texel_r8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- *dst = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_R16 ***********************************************************/
-
-/* Fetch texel from 1D, 2D or 3D r16 texture, return 4 GLchans */
-static void FETCH(f_r16)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- texel[RCOMP] = USHORT_TO_FLOAT(s);
- texel[GCOMP] = 0.0;
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-#if DIM == 3
-static void store_texel_r16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLushort *rgba = (const GLushort *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_AL88_REV ******************************************************/
-
-/* Fetch texel from 1D, 2D or 3D al88_rev texture, return 4 GLchans */
-static void FETCH(f_al88_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = UBYTE_TO_FLOAT( s >> 8 );
- texel[ACOMP] = UBYTE_TO_FLOAT( s & 0xff );
-}
-
-#if DIM == 3
-static void store_texel_al88_rev(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_88(rgba[RCOMP], rgba[ACOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_RG1616 ********************************************************/
-
-/* Fetch texel from 1D, 2D or 3D rg1616 texture, return 4 GLchans */
-static void FETCH(f_rg1616)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = USHORT_TO_FLOAT( s & 0xffff );
- texel[GCOMP] = USHORT_TO_FLOAT( s >> 16 );
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-#if DIM == 3
-static void store_texel_rg1616(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_1616(rgba[RCOMP], rgba[GCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_RG1616_REV ****************************************************/
-
-/* Fetch texel from 1D, 2D or 3D rg1616_rev texture, return 4 GLchans */
-static void FETCH(f_rg1616_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = USHORT_TO_FLOAT( s >> 16 );
- texel[GCOMP] = USHORT_TO_FLOAT( s & 0xffff );
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-#if DIM == 3
-static void store_texel_rg1616_rev(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_1616(rgba[GCOMP], rgba[RCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_AL1616 ********************************************************/
-
-/* Fetch texel from 1D, 2D or 3D al1616 texture, return 4 GLchans */
-static void FETCH(f_al1616)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = USHORT_TO_FLOAT( s & 0xffff );
- texel[ACOMP] = USHORT_TO_FLOAT( s >> 16 );
-}
-
-#if DIM == 3
-static void store_texel_al1616(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLushort *rgba = (const GLushort *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_1616(rgba[ACOMP], rgba[RCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_AL1616_REV ****************************************************/
-
-/* Fetch texel from 1D, 2D or 3D al1616_rev texture, return 4 GLchans */
-static void FETCH(f_al1616_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = USHORT_TO_FLOAT( s >> 16 );
- texel[ACOMP] = USHORT_TO_FLOAT( s & 0xffff );
-}
-
-#if DIM == 3
-static void store_texel_al1616_rev(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLushort *rgba = (const GLushort *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_1616(rgba[RCOMP], rgba[ACOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_RGB332 ********************************************************/
-
-/* Fetch texel from 1D, 2D or 3D rgb332 texture, return 4 GLchans */
-static void FETCH(f_rgb332)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- const GLubyte s = *src;
- texel[RCOMP] = ((s >> 5) & 0x7) * (1.0F / 7.0F);
- texel[GCOMP] = ((s >> 2) & 0x7) * (1.0F / 7.0F);
- texel[BCOMP] = ((s ) & 0x3) * (1.0F / 3.0F);
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_rgb332(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- *dst = PACK_COLOR_332(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_A8 ************************************************************/
-
-/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */
-static void FETCH(f_a8)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = UBYTE_TO_FLOAT( src[0] );
-}
-
-#if DIM == 3
-static void store_texel_a8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- *dst = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_A16 ************************************************************/
-
-/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */
-static void FETCH(f_a16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = USHORT_TO_FLOAT( src[0] );
-}
-
-#if DIM == 3
-static void store_texel_a16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLushort *rgba = (const GLushort *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_L8 ************************************************************/
-
-/* Fetch texel from 1D, 2D or 3D l8 texture, return 4 GLchans */
-static void FETCH(f_l8)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = UBYTE_TO_FLOAT( src[0] );
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_l8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- *dst = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_L16 ***********************************************************/
-
-/* Fetch texel from 1D, 2D or 3D l16 texture, return 4 GLchans */
-static void FETCH(f_l16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = USHORT_TO_FLOAT( src[0] );
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_l16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLushort *rgba = (const GLushort *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_I8 ************************************************************/
-
-/* Fetch texel from 1D, 2D or 3D i8 texture, return 4 GLchans */
-static void FETCH(f_i8)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] =
- texel[ACOMP] = UBYTE_TO_FLOAT( src[0] );
-}
-
-#if DIM == 3
-static void store_texel_i8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- *dst = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_I16 ***********************************************************/
-
-/* Fetch texel from 1D, 2D or 3D i16 texture, return 4 GLchans */
-static void FETCH(f_i16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] =
- texel[ACOMP] = USHORT_TO_FLOAT( src[0] );
-}
-
-#if DIM == 3
-static void store_texel_i16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLushort *rgba = (const GLushort *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_CI8 ***********************************************************/
-
-/* Fetch CI texel from 1D, 2D or 3D ci8 texture, lookup the index in a
- * color table, and return 4 GLchans.
- */
-static void FETCH(f_ci8)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- const struct gl_color_table *palette;
- GLuint index;
- GET_CURRENT_CONTEXT(ctx);
-
- if (ctx->Texture.SharedPalette) {
- palette = &ctx->Texture.Palette;
- }
- else {
- palette = &texImage->TexObject->Palette;
- }
- if (palette->Size == 0)
- return; /* undefined results */
-
- /* Mask the index against size of palette to avoid going out of bounds */
- index = (*src) & (palette->Size - 1);
-
- {
- const GLfloat *table = palette->TableF;
- switch (palette->_BaseFormat) {
- case GL_ALPHA:
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = table[index];
- break;
- case GL_LUMINANCE:
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = table[index];
- texel[ACOMP] = 1.0F;
- break;
- case GL_INTENSITY:
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] =
- texel[ACOMP] = table[index];
- break;
- case GL_LUMINANCE_ALPHA:
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = table[index * 2 + 0];
- texel[ACOMP] = table[index * 2 + 1];
- break;
- case GL_RGB:
- texel[RCOMP] = table[index * 3 + 0];
- texel[GCOMP] = table[index * 3 + 1];
- texel[BCOMP] = table[index * 3 + 2];
- texel[ACOMP] = 1.0F;
- break;
- case GL_RGBA:
- texel[RCOMP] = table[index * 4 + 0];
- texel[GCOMP] = table[index * 4 + 1];
- texel[BCOMP] = table[index * 4 + 2];
- texel[ACOMP] = table[index * 4 + 3];
- break;
- default:
- _mesa_problem(ctx, "Bad palette format in fetch_texel_ci8");
- return;
- }
- }
-}
-
-#if DIM == 3
-static void store_texel_ci8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *index = (const GLubyte *) texel;
- GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- *dst = *index;
-}
-#endif
-
-
-/* Fetch texel from 1D, 2D or 3D srgb8 texture, return 4 GLfloats */
-/* Note: component order is same as for MESA_FORMAT_RGB888 */
-static void FETCH(srgb8)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
- texel[RCOMP] = nonlinear_to_linear(src[2]);
- texel[GCOMP] = nonlinear_to_linear(src[1]);
- texel[BCOMP] = nonlinear_to_linear(src[0]);
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_srgb8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
- dst[0] = rgba[BCOMP]; /* no conversion */
- dst[1] = rgba[GCOMP];
- dst[2] = rgba[RCOMP];
-}
-#endif
-
-/* Fetch texel from 1D, 2D or 3D srgba8 texture, return 4 GLfloats */
-static void FETCH(srgba8)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = nonlinear_to_linear( (s >> 24) );
- texel[GCOMP] = nonlinear_to_linear( (s >> 16) & 0xff );
- texel[BCOMP] = nonlinear_to_linear( (s >> 8) & 0xff );
- texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); /* linear! */
-}
-
-#if DIM == 3
-static void store_texel_srgba8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
-}
-#endif
-
-/* Fetch texel from 1D, 2D or 3D sargb8 texture, return 4 GLfloats */
-static void FETCH(sargb8)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = nonlinear_to_linear( (s >> 16) & 0xff );
- texel[GCOMP] = nonlinear_to_linear( (s >> 8) & 0xff );
- texel[BCOMP] = nonlinear_to_linear( (s ) & 0xff );
- texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); /* linear! */
-}
-
-#if DIM == 3
-static void store_texel_sargb8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
-}
-#endif
-
-/* Fetch texel from 1D, 2D or 3D sl8 texture, return 4 GLfloats */
-static void FETCH(sl8)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = nonlinear_to_linear(src[0]);
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_sl8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- dst[0] = rgba[RCOMP];
-}
-#endif
-
-/* Fetch texel from 1D, 2D or 3D sla8 texture, return 4 GLfloats */
-static void FETCH(sla8)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = nonlinear_to_linear(src[0]);
- texel[ACOMP] = UBYTE_TO_FLOAT(src[1]); /* linear */
-}
-
-#if DIM == 3
-static void store_texel_sla8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_RGBA_INT8 **************************************************/
-
-static void
-FETCH(rgba_int8)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 4);
- texel[RCOMP] = (GLfloat) src[0];
- texel[GCOMP] = (GLfloat) src[1];
- texel[BCOMP] = (GLfloat) src[2];
- texel[ACOMP] = (GLfloat) src[3];
-}
-
-#if DIM == 3
-static void
-store_texel_rgba_int8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLbyte *rgba = (const GLbyte *) texel;
- GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 4);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[GCOMP];
- dst[2] = rgba[BCOMP];
- dst[3] = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_RGBA_INT16 **************************************************/
-
-static void
-FETCH(rgba_int16)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLshort *src = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
- texel[RCOMP] = (GLfloat) src[0];
- texel[GCOMP] = (GLfloat) src[1];
- texel[BCOMP] = (GLfloat) src[2];
- texel[ACOMP] = (GLfloat) src[3];
-}
-
-#if DIM == 3
-static void
-store_texel_rgba_int16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLshort *rgba = (const GLshort *) texel;
- GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[GCOMP];
- dst[2] = rgba[BCOMP];
- dst[3] = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_RGBA_INT32 **************************************************/
-
-static void
-FETCH(rgba_int32)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLint *src = TEXEL_ADDR(GLint, texImage, i, j, k, 4);
- texel[RCOMP] = (GLfloat) src[0];
- texel[GCOMP] = (GLfloat) src[1];
- texel[BCOMP] = (GLfloat) src[2];
- texel[ACOMP] = (GLfloat) src[3];
-}
-
-#if DIM == 3
-static void
-store_texel_rgba_int32(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLint *rgba = (const GLint *) texel;
- GLint *dst = TEXEL_ADDR(GLint, texImage, i, j, k, 4);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[GCOMP];
- dst[2] = rgba[BCOMP];
- dst[3] = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_RGBA_UINT8 **************************************************/
-
-static void
-FETCH(rgba_uint8)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4);
- texel[RCOMP] = (GLfloat) src[0];
- texel[GCOMP] = (GLfloat) src[1];
- texel[BCOMP] = (GLfloat) src[2];
- texel[ACOMP] = (GLfloat) src[3];
-}
-
-#if DIM == 3
-static void
-store_texel_rgba_uint8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[GCOMP];
- dst[2] = rgba[BCOMP];
- dst[3] = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_RGBA_UINT16 **************************************************/
-
-static void
-FETCH(rgba_uint16)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 4);
- texel[RCOMP] = (GLfloat) src[0];
- texel[GCOMP] = (GLfloat) src[1];
- texel[BCOMP] = (GLfloat) src[2];
- texel[ACOMP] = (GLfloat) src[3];
-}
-
-#if DIM == 3
-static void
-store_texel_rgba_uint16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLushort *rgba = (const GLushort *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 4);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[GCOMP];
- dst[2] = rgba[BCOMP];
- dst[3] = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_RGBA_UINT32 **************************************************/
-
-static void
-FETCH(rgba_uint32)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 4);
- texel[RCOMP] = (GLfloat) src[0];
- texel[GCOMP] = (GLfloat) src[1];
- texel[BCOMP] = (GLfloat) src[2];
- texel[ACOMP] = (GLfloat) src[3];
-}
-
-#if DIM == 3
-static void
-store_texel_rgba_uint32(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLuint *rgba = (const GLuint *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 4);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[GCOMP];
- dst[2] = rgba[BCOMP];
- dst[3] = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_DUDV8 ********************************************************/
-
-/* this format by definition produces 0,0,0,1 as rgba values,
- however we'll return the dudv values as rg and fix up elsewhere */
-static void FETCH(dudv8)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 2);
- texel[RCOMP] = BYTE_TO_FLOAT(src[0]);
- texel[GCOMP] = BYTE_TO_FLOAT(src[1]);
- texel[BCOMP] = 0;
- texel[ACOMP] = 0;
-}
-
-
-/* MESA_FORMAT_SIGNED_R8 ***********************************************/
-
-static void FETCH(signed_r8)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
- texel[RCOMP] = BYTE_TO_FLOAT_TEX( s );
- texel[GCOMP] = 0.0F;
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_signed_r8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLbyte *rgba = (const GLbyte *) texel;
- GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
- *dst = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_A8 ***********************************************/
-
-static void FETCH(signed_a8)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
- texel[RCOMP] = 0.0F;
- texel[GCOMP] = 0.0F;
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = BYTE_TO_FLOAT_TEX( s );
-}
-
-#if DIM == 3
-static void store_texel_signed_a8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLbyte *rgba = (const GLbyte *) texel;
- GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
- *dst = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_L8 ***********************************************/
-
-static void FETCH(signed_l8)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = BYTE_TO_FLOAT_TEX( s );
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_signed_l8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLbyte *rgba = (const GLbyte *) texel;
- GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
- *dst = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_I8 ***********************************************/
-
-static void FETCH(signed_i8)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] =
- texel[ACOMP] = BYTE_TO_FLOAT_TEX( s );
-}
-
-#if DIM == 3
-static void store_texel_signed_i8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLbyte *rgba = (const GLbyte *) texel;
- GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
- *dst = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_RG88_REV ***********************************************/
-
-static void FETCH(signed_rg88_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
- texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s & 0xff) );
- texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) );
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_signed_rg88_rev(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLbyte *rg = (const GLbyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- dst[0] = PACK_COLOR_88(rg[GCOMP], rg[RCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_AL88 ***********************************************/
-
-static void FETCH(signed_al88)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s & 0xff) );
- texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) );
-}
-
-#if DIM == 3
-static void store_texel_signed_al88(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLbyte *rg = (const GLbyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- dst[0] = PACK_COLOR_88(rg[ACOMP], rg[RCOMP]);
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_RGBX8888 ***********************************************/
-
-static void FETCH(signed_rgbx8888)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) );
- texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) );
- texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) );
- texel[ACOMP] = 1.0f;
-}
-
-#if DIM == 3
-static void store_texel_signed_rgbx8888(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLbyte *rgba = (const GLbyte *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], 255);
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_RGBA8888 ***********************************************/
-
-static void FETCH(signed_rgba8888)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) );
- texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) );
- texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) );
- texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s ) );
-}
-
-#if DIM == 3
-static void store_texel_signed_rgba8888(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLbyte *rgba = (const GLbyte *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
-}
-#endif
-
-static void FETCH(signed_rgba8888_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s ) );
- texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) );
- texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) );
- texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) );
-}
-
-#if DIM == 3
-static void store_texel_signed_rgba8888_rev(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLubyte *rgba = (const GLubyte *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = PACK_COLOR_8888_REV(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
-}
-#endif
-
-
-
-/* MESA_FORMAT_SIGNED_R16 ***********************************************/
-
-static void
-FETCH(signed_r16)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
- texel[RCOMP] = SHORT_TO_FLOAT_TEX( s );
- texel[GCOMP] = 0.0F;
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void
-store_texel_signed_r16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLshort *rgba = (const GLshort *) texel;
- GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
- *dst = rgba[0];
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_A16 ***********************************************/
-
-static void
-FETCH(signed_a16)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
- texel[RCOMP] = 0.0F;
- texel[GCOMP] = 0.0F;
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = SHORT_TO_FLOAT_TEX( s );
-}
-
-#if DIM == 3
-static void
-store_texel_signed_a16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLshort *rgba = (const GLshort *) texel;
- GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
- *dst = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_L16 ***********************************************/
-
-static void
-FETCH(signed_l16)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = SHORT_TO_FLOAT_TEX( s );
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void
-store_texel_signed_l16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLshort *rgba = (const GLshort *) texel;
- GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
- *dst = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_I16 ***********************************************/
-
-static void
-FETCH(signed_i16)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] =
- texel[ACOMP] = SHORT_TO_FLOAT_TEX( s );
-}
-
-#if DIM == 3
-static void
-store_texel_signed_i16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLshort *rgba = (const GLshort *) texel;
- GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
- *dst = rgba[RCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_RG1616 ***********************************************/
-
-static void
-FETCH(signed_rg1616)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
- texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] );
- texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] );
- texel[BCOMP] = 0.0F;
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void
-store_texel_signed_rg1616(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLshort *rgba = (const GLshort *) texel;
- GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[GCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_AL1616 ***********************************************/
-
-static void
-FETCH(signed_al1616)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[0] );
- texel[ACOMP] = SHORT_TO_FLOAT_TEX( s[1] );
-}
-
-#if DIM == 3
-static void
-store_texel_signed_al1616(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLshort *rgba = (const GLshort *) texel;
- GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[ACOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_RGB_16 ***********************************************/
-
-static void
-FETCH(signed_rgb_16)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 3);
- texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] );
- texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] );
- texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[2] );
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void
-store_texel_signed_rgb_16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLshort *rgba = (const GLshort *) texel;
- GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 3);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[GCOMP];
- dst[2] = rgba[BCOMP];
-}
-#endif
-
-
-/* MESA_FORMAT_SIGNED_RGBA_16 ***********************************************/
-
-static void
-FETCH(signed_rgba_16)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
- texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] );
- texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] );
- texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[2] );
- texel[ACOMP] = SHORT_TO_FLOAT_TEX( s[3] );
-}
-
-#if DIM == 3
-static void
-store_texel_signed_rgba_16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLshort *rgba = (const GLshort *) texel;
- GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[GCOMP];
- dst[2] = rgba[BCOMP];
- dst[3] = rgba[ACOMP];
-}
-#endif
-
-
-
-/* MESA_FORMAT_RGBA_16 ***********************************************/
-
-static void
-FETCH(rgba_16)(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- const GLushort *s = TEXEL_ADDR(GLushort, texImage, i, j, k, 4);
- texel[RCOMP] = USHORT_TO_FLOAT( s[0] );
- texel[GCOMP] = USHORT_TO_FLOAT( s[1] );
- texel[BCOMP] = USHORT_TO_FLOAT( s[2] );
- texel[ACOMP] = USHORT_TO_FLOAT( s[3] );
-}
-
-#if DIM == 3
-static void
-store_texel_rgba_16(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLushort *rgba = (const GLushort *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 4);
- dst[0] = rgba[RCOMP];
- dst[1] = rgba[GCOMP];
- dst[2] = rgba[BCOMP];
- dst[3] = rgba[ACOMP];
-}
-#endif
-
-
-
-/* MESA_FORMAT_YCBCR *********************************************************/
-
-/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLfloats.
- * We convert YCbCr to RGB here.
- */
-static void FETCH(f_ycbcr)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */
- const GLushort *src1 = src0 + 1; /* odd */
- const GLubyte y0 = (*src0 >> 8) & 0xff; /* luminance */
- const GLubyte cb = *src0 & 0xff; /* chroma U */
- const GLubyte y1 = (*src1 >> 8) & 0xff; /* luminance */
- const GLubyte cr = *src1 & 0xff; /* chroma V */
- const GLubyte y = (i & 1) ? y1 : y0; /* choose even/odd luminance */
- GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128);
- GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128);
- GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128);
- r *= (1.0F / 255.0F);
- g *= (1.0F / 255.0F);
- b *= (1.0F / 255.0F);
- texel[RCOMP] = CLAMP(r, 0.0F, 1.0F);
- texel[GCOMP] = CLAMP(g, 0.0F, 1.0F);
- texel[BCOMP] = CLAMP(b, 0.0F, 1.0F);
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_ycbcr(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- (void) texImage;
- (void) i;
- (void) j;
- (void) k;
- (void) texel;
- /* XXX to do */
-}
-#endif
-
-
-/* MESA_FORMAT_YCBCR_REV *****************************************************/
-
-/* Fetch texel from 1D, 2D or 3D ycbcr_rev texture, return 4 GLfloats.
- * We convert YCbCr to RGB here.
- */
-static void FETCH(f_ycbcr_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */
- const GLushort *src1 = src0 + 1; /* odd */
- const GLubyte y0 = *src0 & 0xff; /* luminance */
- const GLubyte cr = (*src0 >> 8) & 0xff; /* chroma V */
- const GLubyte y1 = *src1 & 0xff; /* luminance */
- const GLubyte cb = (*src1 >> 8) & 0xff; /* chroma U */
- const GLubyte y = (i & 1) ? y1 : y0; /* choose even/odd luminance */
- GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128);
- GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128);
- GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128);
- r *= (1.0F / 255.0F);
- g *= (1.0F / 255.0F);
- b *= (1.0F / 255.0F);
- texel[RCOMP] = CLAMP(r, 0.0F, 1.0F);
- texel[GCOMP] = CLAMP(g, 0.0F, 1.0F);
- texel[BCOMP] = CLAMP(b, 0.0F, 1.0F);
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_ycbcr_rev(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- (void) texImage;
- (void) i;
- (void) j;
- (void) k;
- (void) texel;
- /* XXX to do */
-}
-#endif
-
-
-/* MESA_TEXFORMAT_Z24_S8 ***************************************************/
-
-static void FETCH(f_z24_s8)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- /* only return Z, not stencil data */
- const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- const GLfloat scale = 1.0F / (GLfloat) 0xffffff;
- texel[0] = ((*src) >> 8) * scale;
- ASSERT(texImage->TexFormat == MESA_FORMAT_Z24_S8);
- ASSERT(texel[0] >= 0.0F);
- ASSERT(texel[0] <= 1.0F);
-}
-
-#if DIM == 3
-static void store_texel_z24_s8(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- /* only store Z, not stencil */
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- GLfloat depth = *((GLfloat *) texel);
- GLuint zi = ((GLuint) (depth * 0xffffff)) << 8;
- *dst = zi | (*dst & 0xff);
-}
-#endif
-
-
-/* MESA_TEXFORMAT_S8_Z24 ***************************************************/
-
-static void FETCH(f_s8_z24)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- /* only return Z, not stencil data */
- const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- const GLfloat scale = 1.0F / (GLfloat) 0xffffff;
- texel[0] = ((*src) & 0x00ffffff) * scale;
- ASSERT(texImage->TexFormat == MESA_FORMAT_S8_Z24);
- ASSERT(texel[0] >= 0.0F);
- ASSERT(texel[0] <= 1.0F);
-}
-
-#if DIM == 3
-static void store_texel_s8_z24(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- /* only store Z, not stencil */
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- GLfloat depth = *((GLfloat *) texel);
- GLuint zi = (GLuint) (depth * 0xffffff);
- *dst = zi | (*dst & 0xff000000);
-}
-#endif
-
-
-/* MESA_FORMAT_RGB9_E5 ******************************************************/
-
-static void FETCH(rgb9_e5)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- rgb9e5_to_float3(*src, texel);
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_rgb9_e5(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *src = (const GLfloat *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = float3_to_rgb9e5(src);
-}
-#endif
-
-
-/* MESA_FORMAT_R11_G11_B10_FLOAT *********************************************/
-
-static void FETCH(r11_g11_b10f)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- r11g11b10f_to_float3(*src, texel);
- texel[ACOMP] = 1.0F;
-}
-
-#if DIM == 3
-static void store_texel_r11_g11_b10f(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- const GLfloat *src = (const GLfloat *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- *dst = float3_to_r11g11b10f(src);
-}
-#endif
-
-
-#undef TEXEL_ADDR
-#undef DIM
-#undef FETCH
+/* + * Mesa 3-D graphics library + * Version: 7.7 + * + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (c) 2008-2009 VMware, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file texfetch_tmp.h + * Texel fetch functions template. + * + * This template file is used by texfetch.c to generate texel fetch functions + * for 1-D, 2-D and 3-D texture images. + * + * It should be expanded by defining \p DIM as the number texture dimensions + * (1, 2 or 3). According to the value of \p DIM a series of macros is defined + * for the texel lookup in the gl_texture_image::Data. + * + * \author Gareth Hughes + * \author Brian Paul + */ + + +#if DIM == 1 + +#define TEXEL_ADDR( type, image, i, j, k, size ) \ + ((void) (j), (void) (k), ((type *)(image)->Data + (i) * (size))) + +#define FETCH(x) fetch_texel_1d_##x + +#elif DIM == 2 + +#define TEXEL_ADDR( type, image, i, j, k, size ) \ + ((void) (k), \ + ((type *)(image)->Data + ((image)->RowStride * (j) + (i)) * (size))) + +#define FETCH(x) fetch_texel_2d_##x + +#elif DIM == 3 + +#define TEXEL_ADDR( type, image, i, j, k, size ) \ + ((type *)(image)->Data + ((image)->ImageOffsets[k] \ + + (image)->RowStride * (j) + (i)) * (size)) + +#define FETCH(x) fetch_texel_3d_##x + +#else +#error illegal number of texture dimensions +#endif + + +/* MESA_FORMAT_Z32 ***********************************************************/ + +/* Fetch depth texel from 1D, 2D or 3D 32-bit depth texture, + * returning 1 GLfloat. + * Note: no GLchan version of this function. + */ +static void FETCH(f_z32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[0] = src[0] * (1.0F / 0xffffffff); +} + +#if DIM == 3 +static void store_texel_z32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLuint *depth = (const GLuint *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + dst[0] = *depth; +} +#endif + + +/* MESA_FORMAT_Z16 ***********************************************************/ + +/* Fetch depth texel from 1D, 2D or 3D 16-bit depth texture, + * returning 1 GLfloat. + * Note: no GLchan version of this function. + */ +static void FETCH(f_z16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[0] = src[0] * (1.0F / 65535.0F); +} + +#if DIM == 3 +static void store_texel_z16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *depth = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + dst[0] = *depth; +} +#endif + + +/* MESA_FORMAT_RGBA_F32 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT32 texture, returning 4 GLfloats. + */ +static void FETCH(f_rgba_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 4); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[1]; + texel[BCOMP] = src[2]; + texel[ACOMP] = src[3]; +} + +#if DIM == 3 +static void store_texel_rgba_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *depth = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 4); + dst[0] = depth[RCOMP]; + dst[1] = depth[GCOMP]; + dst[2] = depth[BCOMP]; + dst[3] = depth[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_F16 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rgba_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 4); + texel[RCOMP] = _mesa_half_to_float(src[0]); + texel[GCOMP] = _mesa_half_to_float(src[1]); + texel[BCOMP] = _mesa_half_to_float(src[2]); + texel[ACOMP] = _mesa_half_to_float(src[3]); +} + +#if DIM == 3 +static void store_texel_rgba_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *src = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 4); + dst[0] = _mesa_float_to_half(src[RCOMP]); + dst[1] = _mesa_float_to_half(src[GCOMP]); + dst[2] = _mesa_float_to_half(src[BCOMP]); + dst[3] = _mesa_float_to_half(src[ACOMP]); +} +#endif + +/* MESA_FORMAT_RGB_F32 *******************************************************/ + +/* Fetch texel from 1D, 2D or 3D RGB_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rgb_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 3); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[1]; + texel[BCOMP] = src[2]; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *src = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 3); + dst[0] = src[RCOMP]; + dst[1] = src[GCOMP]; + dst[2] = src[BCOMP]; +} +#endif + + +/* MESA_FORMAT_RGB_F16 *******************************************************/ + +/* Fetch texel from 1D, 2D or 3D RGB_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rgb_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 3); + texel[RCOMP] = _mesa_half_to_float(src[0]); + texel[GCOMP] = _mesa_half_to_float(src[1]); + texel[BCOMP] = _mesa_half_to_float(src[2]); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *src = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 3); + dst[0] = _mesa_float_to_half(src[RCOMP]); + dst[1] = _mesa_float_to_half(src[GCOMP]); + dst[2] = _mesa_float_to_half(src[BCOMP]); +} +#endif + + +/* MESA_FORMAT_ALPHA_F32 *****************************************************/ + +/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = src[0]; +} + +#if DIM == 3 +static void store_texel_alpha_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + dst[0] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_ALPHA_F32 *****************************************************/ + +/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = _mesa_half_to_float(src[0]); +} + +#if DIM == 3 +static void store_texel_alpha_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + dst[0] = _mesa_float_to_half(rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_LUMINANCE_F32 *************************************************/ + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = src[0]; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_luminance_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + dst[0] = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_LUMINANCE_F16 *************************************************/ + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = _mesa_half_to_float(src[0]); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_luminance_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + dst[0] = _mesa_float_to_half(rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_LUMINANCE_ALPHA_F32 *******************************************/ + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = src[0]; + texel[ACOMP] = src[1]; +} + +#if DIM == 3 +static void store_texel_luminance_alpha_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_LUMINANCE_ALPHA_F16 *******************************************/ + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = _mesa_half_to_float(src[0]); + texel[ACOMP] = _mesa_half_to_float(src[1]); +} + +#if DIM == 3 +static void store_texel_luminance_alpha_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2); + dst[0] = _mesa_float_to_half(rgba[RCOMP]); + dst[1] = _mesa_float_to_half(rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_INTENSITY_F32 *************************************************/ + +/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_intensity_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = src[0]; +} + +#if DIM == 3 +static void store_texel_intensity_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + dst[0] = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_INTENSITY_F16 *************************************************/ + +/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_intensity_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = _mesa_half_to_float(src[0]); +} + +#if DIM == 3 +static void store_texel_intensity_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + dst[0] = _mesa_float_to_half(rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_R_FLOAT32 *****************************************************/ + +/* Fetch texel from 1D, 2D or 3D R_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_r_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + texel[RCOMP] = src[0]; + texel[GCOMP] = 0.0F; + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_r_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + dst[0] = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_R_FLOAT16 *****************************************************/ + +/* Fetch texel from 1D, 2D or 3D R_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_r_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + texel[RCOMP] = _mesa_half_to_float(src[0]); + texel[GCOMP] = 0.0F; + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_r_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + dst[0] = _mesa_float_to_half(rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_RG_FLOAT32 ****************************************************/ + +/* Fetch texel from 1D, 2D or 3D RG_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rg_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[1]; + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rg_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; +} +#endif + + +/* MESA_FORMAT_RG_FLOAT16 ****************************************************/ + +/* Fetch texel from 1D, 2D or 3D RG_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rg_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2); + texel[RCOMP] = _mesa_half_to_float(src[0]); + texel[GCOMP] = _mesa_half_to_float(src[1]); + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rg_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2); + dst[0] = _mesa_float_to_half(rgba[RCOMP]); + dst[1] = _mesa_float_to_half(rgba[GCOMP]); +} +#endif + + +/* + * Begin Hardware formats + */ + +/* MESA_FORMAT_RGBA8888 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgba8888 texture, return 4 GLfloats */ +static void FETCH(f_rgba8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 24) ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); +} + + + +#if DIM == 3 +static void store_texel_rgba8888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_RGBA888_REV ***************************************************/ + +/* Fetch texel from 1D, 2D or 3D abgr8888 texture, return 4 GLchans */ +static void FETCH(f_rgba8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); +} + +#if DIM == 3 +static void store_texel_rgba8888_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888_REV(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_ARGB8888 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb8888 texture, return 4 GLchans */ +static void FETCH(f_argb8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); +} + +#if DIM == 3 +static void store_texel_argb8888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_ARGB8888_REV **************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb8888_rev texture, return 4 GLfloats */ +static void FETCH(f_argb8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24) ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); +} + +#if DIM == 3 +static void store_texel_argb8888_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_XRGB8888 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D xrgb8888 texture, return 4 GLchans */ +static void FETCH(f_xrgb8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); + texel[ACOMP] = 1.0f; +} + +#if DIM == 3 +static void store_texel_xrgb8888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(0xff, rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_XRGB8888_REV **************************************************/ + +/* Fetch texel from 1D, 2D or 3D xrgb8888_rev texture, return 4 GLfloats */ +static void FETCH(f_xrgb8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24) ); + texel[ACOMP] = 1.0f; +} + +#if DIM == 3 +static void store_texel_xrgb8888_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], 0xff); +} +#endif + + +/* MESA_FORMAT_RGB888 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgb888 texture, return 4 GLchans */ +static void FETCH(f_rgb888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + texel[RCOMP] = UBYTE_TO_FLOAT( src[2] ); + texel[GCOMP] = UBYTE_TO_FLOAT( src[1] ); + texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + dst[0] = rgba[BCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_BGR888 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D bgr888 texture, return 4 GLchans */ +static void FETCH(f_bgr888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + texel[RCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[GCOMP] = UBYTE_TO_FLOAT( src[1] ); + texel[BCOMP] = UBYTE_TO_FLOAT( src[2] ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_bgr888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; +} +#endif + + +/* use color expansion like (g << 2) | (g >> 4) (does somewhat random rounding) + instead of slow (g << 2) * 255 / 252 (always rounds down) */ + +/* MESA_FORMAT_RGB565 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgb565 texture, return 4 GLchans */ +static void FETCH(f_rgb565)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = *src; + texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F); + texel[GCOMP] = ((s >> 5 ) & 0x3f) * (1.0F / 63.0F); + texel[BCOMP] = ((s ) & 0x1f) * (1.0F / 31.0F); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb565(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_565(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_RGB565_REV ****************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgb565_rev texture, return 4 GLchans */ +static void FETCH(f_rgb565_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = (*src >> 8) | (*src << 8); /* byte swap */ + texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) ); + texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 3) & 0xfc) | ((s >> 9) & 0x3) ); + texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb565_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_565(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_ARGB4444 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb444 texture, return 4 GLchans */ +static void FETCH(f_argb4444)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = *src; + texel[RCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F); + texel[GCOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); + texel[BCOMP] = ((s ) & 0xf) * (1.0F / 15.0F); + texel[ACOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F); +} + +#if DIM == 3 +static void store_texel_argb4444(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_4444(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_ARGB4444_REV **************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb4444_rev texture, return 4 GLchans */ +static void FETCH(f_argb4444_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = ((s ) & 0xf) * (1.0F / 15.0F); + texel[GCOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F); + texel[BCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F); + texel[ACOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); +} + +#if DIM == 3 +static void store_texel_argb4444_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_4444(rgba[ACOMP], rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]); +} +#endif + +/* MESA_FORMAT_RGBA5551 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */ +static void FETCH(f_rgba5551)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = *src; + texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F); + texel[GCOMP] = ((s >> 6) & 0x1f) * (1.0F / 31.0F); + texel[BCOMP] = ((s >> 1) & 0x1f) * (1.0F / 31.0F); + texel[ACOMP] = ((s ) & 0x01) * 1.0F; +} + +#if DIM == 3 +static void store_texel_rgba5551(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_5551(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + +/* MESA_FORMAT_ARGB1555 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */ +static void FETCH(f_argb1555)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = *src; + texel[RCOMP] = ((s >> 10) & 0x1f) * (1.0F / 31.0F); + texel[GCOMP] = ((s >> 5) & 0x1f) * (1.0F / 31.0F); + texel[BCOMP] = ((s >> 0) & 0x1f) * (1.0F / 31.0F); + texel[ACOMP] = ((s >> 15) & 0x01) * 1.0F; +} + +#if DIM == 3 +static void store_texel_argb1555(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_1555(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_ARGB1555_REV **************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb1555_rev texture, return 4 GLchans */ +static void FETCH(f_argb1555_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = (*src << 8) | (*src >> 8); /* byteswap */ + texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 7) & 0xf8) | ((s >> 12) & 0x7) ); + texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 2) & 0xf8) | ((s >> 7) & 0x7) ); + texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) ); + texel[ACOMP] = UBYTE_TO_FLOAT( ((s >> 15) & 0x01) * 255 ); +} + +#if DIM == 3 +static void store_texel_argb1555_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_1555_REV(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_ARGB2101010 ***************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb2101010 texture, return 4 GLchans */ +static void FETCH(f_argb2101010)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + const GLuint s = *src; + texel[RCOMP] = ((s >> 20) & 0x3ff) * (1.0F / 1023.0F); + texel[GCOMP] = ((s >> 10) & 0x3ff) * (1.0F / 1023.0F); + texel[BCOMP] = ((s >> 0) & 0x3ff) * (1.0F / 1023.0F); + texel[ACOMP] = ((s >> 30) & 0x03) * (1.0F / 3.0F); +} + +#if DIM == 3 +static void store_texel_argb2101010(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_2101010_UB(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_RG88 **********************************************************/ + +/* Fetch texel from 1D, 2D or 3D rg88 texture, return 4 GLchans */ +static void FETCH(f_rg88)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( s & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( s >> 8 ); + texel[BCOMP] = 0.0; + texel[ACOMP] = 1.0; +} + +#if DIM == 3 +static void store_texel_rg88(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_88(rgba[RCOMP], rgba[GCOMP]); +} +#endif + + +/* MESA_FORMAT_RG88_REV ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D rg88_rev texture, return 4 GLchans */ +static void FETCH(f_rg88_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( s & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( s >> 8 ); + texel[BCOMP] = 0.0; + texel[ACOMP] = 1.0; +} + +#if DIM == 3 +static void store_texel_rg88_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_88(rgba[GCOMP], rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_AL44 **********************************************************/ + +/* Fetch texel from 1D, 2D or 3D al44 texture, return 4 GLchans */ +static void FETCH(f_al44)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte s = *TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = (s & 0xf) * (1.0F / 15.0F); + texel[ACOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); +} + +#if DIM == 3 +static void store_texel_al44(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = PACK_COLOR_44(rgba[ACOMP], rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_AL88 **********************************************************/ + +/* Fetch texel from 1D, 2D or 3D al88 texture, return 4 GLchans */ +static void FETCH(f_al88)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_FLOAT( s & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( s >> 8 ); +} + +#if DIM == 3 +static void store_texel_al88(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_88(rgba[ACOMP], rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_R8 ************************************************************/ + +/* Fetch texel from 1D, 2D or 3D rg88 texture, return 4 GLchans */ +static void FETCH(f_r8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLubyte s = *TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT(s); + texel[GCOMP] = 0.0; + texel[BCOMP] = 0.0; + texel[ACOMP] = 1.0; +} + +#if DIM == 3 +static void store_texel_r8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_R16 ***********************************************************/ + +/* Fetch texel from 1D, 2D or 3D r16 texture, return 4 GLchans */ +static void FETCH(f_r16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = USHORT_TO_FLOAT(s); + texel[GCOMP] = 0.0; + texel[BCOMP] = 0.0; + texel[ACOMP] = 1.0; +} + +#if DIM == 3 +static void store_texel_r16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_AL88_REV ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D al88_rev texture, return 4 GLchans */ +static void FETCH(f_al88_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_FLOAT( s >> 8 ); + texel[ACOMP] = UBYTE_TO_FLOAT( s & 0xff ); +} + +#if DIM == 3 +static void store_texel_al88_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_88(rgba[RCOMP], rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_RG1616 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D rg1616 texture, return 4 GLchans */ +static void FETCH(f_rg1616)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = USHORT_TO_FLOAT( s & 0xffff ); + texel[GCOMP] = USHORT_TO_FLOAT( s >> 16 ); + texel[BCOMP] = 0.0; + texel[ACOMP] = 1.0; +} + +#if DIM == 3 +static void store_texel_rg1616(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_1616(rgba[RCOMP], rgba[GCOMP]); +} +#endif + + +/* MESA_FORMAT_RG1616_REV ****************************************************/ + +/* Fetch texel from 1D, 2D or 3D rg1616_rev texture, return 4 GLchans */ +static void FETCH(f_rg1616_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = USHORT_TO_FLOAT( s >> 16 ); + texel[GCOMP] = USHORT_TO_FLOAT( s & 0xffff ); + texel[BCOMP] = 0.0; + texel[ACOMP] = 1.0; +} + +#if DIM == 3 +static void store_texel_rg1616_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_1616(rgba[GCOMP], rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_AL1616 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D al1616 texture, return 4 GLchans */ +static void FETCH(f_al1616)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = USHORT_TO_FLOAT( s & 0xffff ); + texel[ACOMP] = USHORT_TO_FLOAT( s >> 16 ); +} + +#if DIM == 3 +static void store_texel_al1616(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_1616(rgba[ACOMP], rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_AL1616_REV ****************************************************/ + +/* Fetch texel from 1D, 2D or 3D al1616_rev texture, return 4 GLchans */ +static void FETCH(f_al1616_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = USHORT_TO_FLOAT( s >> 16 ); + texel[ACOMP] = USHORT_TO_FLOAT( s & 0xffff ); +} + +#if DIM == 3 +static void store_texel_al1616_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_1616(rgba[RCOMP], rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_RGB332 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgb332 texture, return 4 GLchans */ +static void FETCH(f_rgb332)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + const GLubyte s = *src; + texel[RCOMP] = ((s >> 5) & 0x7) * (1.0F / 7.0F); + texel[GCOMP] = ((s >> 2) & 0x7) * (1.0F / 7.0F); + texel[BCOMP] = ((s ) & 0x3) * (1.0F / 3.0F); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb332(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = PACK_COLOR_332(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_A8 ************************************************************/ + +/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */ +static void FETCH(f_a8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); +} + +#if DIM == 3 +static void store_texel_a8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_A16 ************************************************************/ + +/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */ +static void FETCH(f_a16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = USHORT_TO_FLOAT( src[0] ); +} + +#if DIM == 3 +static void store_texel_a16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_L8 ************************************************************/ + +/* Fetch texel from 1D, 2D or 3D l8 texture, return 4 GLchans */ +static void FETCH(f_l8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_l8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_L16 ***********************************************************/ + +/* Fetch texel from 1D, 2D or 3D l16 texture, return 4 GLchans */ +static void FETCH(f_l16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = USHORT_TO_FLOAT( src[0] ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_l16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_I8 ************************************************************/ + +/* Fetch texel from 1D, 2D or 3D i8 texture, return 4 GLchans */ +static void FETCH(f_i8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); +} + +#if DIM == 3 +static void store_texel_i8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_I16 ***********************************************************/ + +/* Fetch texel from 1D, 2D or 3D i16 texture, return 4 GLchans */ +static void FETCH(f_i16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = USHORT_TO_FLOAT( src[0] ); +} + +#if DIM == 3 +static void store_texel_i16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_CI8 ***********************************************************/ + +/* Fetch CI texel from 1D, 2D or 3D ci8 texture, lookup the index in a + * color table, and return 4 GLchans. + */ +static void FETCH(f_ci8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + const struct gl_color_table *palette; + GLuint index; + GET_CURRENT_CONTEXT(ctx); + + if (ctx->Texture.SharedPalette) { + palette = &ctx->Texture.Palette; + } + else { + palette = &texImage->TexObject->Palette; + } + if (palette->Size == 0) + return; /* undefined results */ + + /* Mask the index against size of palette to avoid going out of bounds */ + index = (*src) & (palette->Size - 1); + + { + const GLfloat *table = palette->TableF; + switch (palette->_BaseFormat) { + case GL_ALPHA: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = table[index]; + break; + case GL_LUMINANCE: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = table[index]; + texel[ACOMP] = 1.0F; + break; + case GL_INTENSITY: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = table[index]; + break; + case GL_LUMINANCE_ALPHA: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = table[index * 2 + 0]; + texel[ACOMP] = table[index * 2 + 1]; + break; + case GL_RGB: + texel[RCOMP] = table[index * 3 + 0]; + texel[GCOMP] = table[index * 3 + 1]; + texel[BCOMP] = table[index * 3 + 2]; + texel[ACOMP] = 1.0F; + break; + case GL_RGBA: + texel[RCOMP] = table[index * 4 + 0]; + texel[GCOMP] = table[index * 4 + 1]; + texel[BCOMP] = table[index * 4 + 2]; + texel[ACOMP] = table[index * 4 + 3]; + break; + default: + _mesa_problem(ctx, "Bad palette format in fetch_texel_ci8"); + return; + } + } +} + +#if DIM == 3 +static void store_texel_ci8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *index = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = *index; +} +#endif + + +/* Fetch texel from 1D, 2D or 3D srgb8 texture, return 4 GLfloats */ +/* Note: component order is same as for MESA_FORMAT_RGB888 */ +static void FETCH(srgb8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + texel[RCOMP] = nonlinear_to_linear(src[2]); + texel[GCOMP] = nonlinear_to_linear(src[1]); + texel[BCOMP] = nonlinear_to_linear(src[0]); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_srgb8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + dst[0] = rgba[BCOMP]; /* no conversion */ + dst[1] = rgba[GCOMP]; + dst[2] = rgba[RCOMP]; +} +#endif + +/* Fetch texel from 1D, 2D or 3D srgba8 texture, return 4 GLfloats */ +static void FETCH(srgba8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = nonlinear_to_linear( (s >> 24) ); + texel[GCOMP] = nonlinear_to_linear( (s >> 16) & 0xff ); + texel[BCOMP] = nonlinear_to_linear( (s >> 8) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); /* linear! */ +} + +#if DIM == 3 +static void store_texel_srgba8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + +/* Fetch texel from 1D, 2D or 3D sargb8 texture, return 4 GLfloats */ +static void FETCH(sargb8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = nonlinear_to_linear( (s >> 16) & 0xff ); + texel[GCOMP] = nonlinear_to_linear( (s >> 8) & 0xff ); + texel[BCOMP] = nonlinear_to_linear( (s ) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); /* linear! */ +} + +#if DIM == 3 +static void store_texel_sargb8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + +/* Fetch texel from 1D, 2D or 3D sl8 texture, return 4 GLfloats */ +static void FETCH(sl8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = nonlinear_to_linear(src[0]); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_sl8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + dst[0] = rgba[RCOMP]; +} +#endif + +/* Fetch texel from 1D, 2D or 3D sla8 texture, return 4 GLfloats */ +static void FETCH(sla8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = nonlinear_to_linear(src[0]); + texel[ACOMP] = UBYTE_TO_FLOAT(src[1]); /* linear */ +} + +#if DIM == 3 +static void store_texel_sla8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_INT8 **************************************************/ + +static void +FETCH(rgba_int8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 4); + texel[RCOMP] = (GLfloat) src[0]; + texel[GCOMP] = (GLfloat) src[1]; + texel[BCOMP] = (GLfloat) src[2]; + texel[ACOMP] = (GLfloat) src[3]; +} + +#if DIM == 3 +static void +store_texel_rgba_int8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_INT16 **************************************************/ + +static void +FETCH(rgba_int16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLshort *src = TEXEL_ADDR(GLshort, texImage, i, j, k, 4); + texel[RCOMP] = (GLfloat) src[0]; + texel[GCOMP] = (GLfloat) src[1]; + texel[BCOMP] = (GLfloat) src[2]; + texel[ACOMP] = (GLfloat) src[3]; +} + +#if DIM == 3 +static void +store_texel_rgba_int16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_INT32 **************************************************/ + +static void +FETCH(rgba_int32)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLint *src = TEXEL_ADDR(GLint, texImage, i, j, k, 4); + texel[RCOMP] = (GLfloat) src[0]; + texel[GCOMP] = (GLfloat) src[1]; + texel[BCOMP] = (GLfloat) src[2]; + texel[ACOMP] = (GLfloat) src[3]; +} + +#if DIM == 3 +static void +store_texel_rgba_int32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLint *rgba = (const GLint *) texel; + GLint *dst = TEXEL_ADDR(GLint, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_UINT8 **************************************************/ + +static void +FETCH(rgba_uint8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4); + texel[RCOMP] = (GLfloat) src[0]; + texel[GCOMP] = (GLfloat) src[1]; + texel[BCOMP] = (GLfloat) src[2]; + texel[ACOMP] = (GLfloat) src[3]; +} + +#if DIM == 3 +static void +store_texel_rgba_uint8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_UINT16 **************************************************/ + +static void +FETCH(rgba_uint16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 4); + texel[RCOMP] = (GLfloat) src[0]; + texel[GCOMP] = (GLfloat) src[1]; + texel[BCOMP] = (GLfloat) src[2]; + texel[ACOMP] = (GLfloat) src[3]; +} + +#if DIM == 3 +static void +store_texel_rgba_uint16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_UINT32 **************************************************/ + +static void +FETCH(rgba_uint32)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 4); + texel[RCOMP] = (GLfloat) src[0]; + texel[GCOMP] = (GLfloat) src[1]; + texel[BCOMP] = (GLfloat) src[2]; + texel[ACOMP] = (GLfloat) src[3]; +} + +#if DIM == 3 +static void +store_texel_rgba_uint32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLuint *rgba = (const GLuint *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_DUDV8 ********************************************************/ + +/* this format by definition produces 0,0,0,1 as rgba values, + however we'll return the dudv values as rg and fix up elsewhere */ +static void FETCH(dudv8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 2); + texel[RCOMP] = BYTE_TO_FLOAT(src[0]); + texel[GCOMP] = BYTE_TO_FLOAT(src[1]); + texel[BCOMP] = 0; + texel[ACOMP] = 0; +} + + +/* MESA_FORMAT_SIGNED_R8 ***********************************************/ + +static void FETCH(signed_r8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + texel[RCOMP] = BYTE_TO_FLOAT_TEX( s ); + texel[GCOMP] = 0.0F; + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_signed_r8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_A8 ***********************************************/ + +static void FETCH(signed_a8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + texel[RCOMP] = 0.0F; + texel[GCOMP] = 0.0F; + texel[BCOMP] = 0.0F; + texel[ACOMP] = BYTE_TO_FLOAT_TEX( s ); +} + +#if DIM == 3 +static void store_texel_signed_a8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + *dst = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_L8 ***********************************************/ + +static void FETCH(signed_l8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = BYTE_TO_FLOAT_TEX( s ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_signed_l8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_I8 ***********************************************/ + +static void FETCH(signed_i8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = BYTE_TO_FLOAT_TEX( s ); +} + +#if DIM == 3 +static void store_texel_signed_i8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_RG88_REV ***********************************************/ + +static void FETCH(signed_rg88_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s & 0xff) ); + texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_signed_rg88_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rg = (const GLbyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + dst[0] = PACK_COLOR_88(rg[GCOMP], rg[RCOMP]); +} +#endif + + +/* MESA_FORMAT_SIGNED_AL88 ***********************************************/ + +static void FETCH(signed_al88)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s & 0xff) ); + texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); +} + +#if DIM == 3 +static void store_texel_signed_al88(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rg = (const GLbyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + dst[0] = PACK_COLOR_88(rg[ACOMP], rg[RCOMP]); +} +#endif + + +/* MESA_FORMAT_SIGNED_RGBX8888 ***********************************************/ + +static void FETCH(signed_rgbx8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) ); + texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) ); + texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); + texel[ACOMP] = 1.0f; +} + +#if DIM == 3 +static void store_texel_signed_rgbx8888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], 255); +} +#endif + + +/* MESA_FORMAT_SIGNED_RGBA8888 ***********************************************/ + +static void FETCH(signed_rgba8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) ); + texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) ); + texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); + texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s ) ); +} + +#if DIM == 3 +static void store_texel_signed_rgba8888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + +static void FETCH(signed_rgba8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s ) ); + texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); + texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) ); + texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) ); +} + +#if DIM == 3 +static void store_texel_signed_rgba8888_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888_REV(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + + + +/* MESA_FORMAT_SIGNED_R16 ***********************************************/ + +static void +FETCH(signed_r16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + texel[RCOMP] = SHORT_TO_FLOAT_TEX( s ); + texel[GCOMP] = 0.0F; + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void +store_texel_signed_r16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + *dst = rgba[0]; +} +#endif + + +/* MESA_FORMAT_SIGNED_A16 ***********************************************/ + +static void +FETCH(signed_a16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + texel[RCOMP] = 0.0F; + texel[GCOMP] = 0.0F; + texel[BCOMP] = 0.0F; + texel[ACOMP] = SHORT_TO_FLOAT_TEX( s ); +} + +#if DIM == 3 +static void +store_texel_signed_a16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + *dst = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_L16 ***********************************************/ + +static void +FETCH(signed_l16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = SHORT_TO_FLOAT_TEX( s ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void +store_texel_signed_l16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_I16 ***********************************************/ + +static void +FETCH(signed_i16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = SHORT_TO_FLOAT_TEX( s ); +} + +#if DIM == 3 +static void +store_texel_signed_i16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_RG1616 ***********************************************/ + +static void +FETCH(signed_rg1616)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 2); + texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] ); + texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] ); + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void +store_texel_signed_rg1616(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_AL1616 ***********************************************/ + +static void +FETCH(signed_al1616)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 2); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[0] ); + texel[ACOMP] = SHORT_TO_FLOAT_TEX( s[1] ); +} + +#if DIM == 3 +static void +store_texel_signed_al1616(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_RGB_16 ***********************************************/ + +static void +FETCH(signed_rgb_16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 3); + texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] ); + texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] ); + texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[2] ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void +store_texel_signed_rgb_16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 3); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_RGBA_16 ***********************************************/ + +static void +FETCH(signed_rgba_16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 4); + texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] ); + texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] ); + texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[2] ); + texel[ACOMP] = SHORT_TO_FLOAT_TEX( s[3] ); +} + +#if DIM == 3 +static void +store_texel_signed_rgba_16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + + +/* MESA_FORMAT_RGBA_16 ***********************************************/ + +static void +FETCH(rgba_16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLushort *s = TEXEL_ADDR(GLushort, texImage, i, j, k, 4); + texel[RCOMP] = USHORT_TO_FLOAT( s[0] ); + texel[GCOMP] = USHORT_TO_FLOAT( s[1] ); + texel[BCOMP] = USHORT_TO_FLOAT( s[2] ); + texel[ACOMP] = USHORT_TO_FLOAT( s[3] ); +} + +#if DIM == 3 +static void +store_texel_rgba_16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + + +/* MESA_FORMAT_YCBCR *********************************************************/ + +/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLfloats. + * We convert YCbCr to RGB here. + */ +static void FETCH(f_ycbcr)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */ + const GLushort *src1 = src0 + 1; /* odd */ + const GLubyte y0 = (*src0 >> 8) & 0xff; /* luminance */ + const GLubyte cb = *src0 & 0xff; /* chroma U */ + const GLubyte y1 = (*src1 >> 8) & 0xff; /* luminance */ + const GLubyte cr = *src1 & 0xff; /* chroma V */ + const GLubyte y = (i & 1) ? y1 : y0; /* choose even/odd luminance */ + GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128); + GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128); + GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128); + r *= (1.0F / 255.0F); + g *= (1.0F / 255.0F); + b *= (1.0F / 255.0F); + texel[RCOMP] = CLAMP(r, 0.0F, 1.0F); + texel[GCOMP] = CLAMP(g, 0.0F, 1.0F); + texel[BCOMP] = CLAMP(b, 0.0F, 1.0F); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_ycbcr(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + (void) texImage; + (void) i; + (void) j; + (void) k; + (void) texel; + /* XXX to do */ +} +#endif + + +/* MESA_FORMAT_YCBCR_REV *****************************************************/ + +/* Fetch texel from 1D, 2D or 3D ycbcr_rev texture, return 4 GLfloats. + * We convert YCbCr to RGB here. + */ +static void FETCH(f_ycbcr_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */ + const GLushort *src1 = src0 + 1; /* odd */ + const GLubyte y0 = *src0 & 0xff; /* luminance */ + const GLubyte cr = (*src0 >> 8) & 0xff; /* chroma V */ + const GLubyte y1 = *src1 & 0xff; /* luminance */ + const GLubyte cb = (*src1 >> 8) & 0xff; /* chroma U */ + const GLubyte y = (i & 1) ? y1 : y0; /* choose even/odd luminance */ + GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128); + GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128); + GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128); + r *= (1.0F / 255.0F); + g *= (1.0F / 255.0F); + b *= (1.0F / 255.0F); + texel[RCOMP] = CLAMP(r, 0.0F, 1.0F); + texel[GCOMP] = CLAMP(g, 0.0F, 1.0F); + texel[BCOMP] = CLAMP(b, 0.0F, 1.0F); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_ycbcr_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + (void) texImage; + (void) i; + (void) j; + (void) k; + (void) texel; + /* XXX to do */ +} +#endif + + +/* MESA_TEXFORMAT_Z24_S8 ***************************************************/ + +static void FETCH(f_z24_s8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* only return Z, not stencil data */ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + const GLfloat scale = 1.0F / (GLfloat) 0xffffff; + texel[0] = ((*src) >> 8) * scale; + ASSERT(texImage->TexFormat == MESA_FORMAT_Z24_S8); + ASSERT(texel[0] >= 0.0F); + ASSERT(texel[0] <= 1.0F); +} + +#if DIM == 3 +static void store_texel_z24_s8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + /* only store Z, not stencil */ + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + GLfloat depth = *((GLfloat *) texel); + GLuint zi = ((GLuint) (depth * 0xffffff)) << 8; + *dst = zi | (*dst & 0xff); +} +#endif + + +/* MESA_TEXFORMAT_S8_Z24 ***************************************************/ + +static void FETCH(f_s8_z24)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* only return Z, not stencil data */ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + const GLfloat scale = 1.0F / (GLfloat) 0xffffff; + texel[0] = ((*src) & 0x00ffffff) * scale; + ASSERT(texImage->TexFormat == MESA_FORMAT_S8_Z24); + ASSERT(texel[0] >= 0.0F); + ASSERT(texel[0] <= 1.0F); +} + +#if DIM == 3 +static void store_texel_s8_z24(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + /* only store Z, not stencil */ + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + GLfloat depth = *((GLfloat *) texel); + GLuint zi = (GLuint) (depth * 0xffffff); + *dst = zi | (*dst & 0xff000000); +} +#endif + + +/* MESA_FORMAT_RGB9_E5 ******************************************************/ + +static void FETCH(rgb9_e5)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + rgb9e5_to_float3(*src, texel); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb9_e5(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *src = (const GLfloat *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = float3_to_rgb9e5(src); +} +#endif + + +/* MESA_FORMAT_R11_G11_B10_FLOAT *********************************************/ + +static void FETCH(r11_g11_b10f)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + r11g11b10f_to_float3(*src, texel); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_r11_g11_b10f(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *src = (const GLfloat *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = float3_to_r11g11b10f(src); +} +#endif + + +/* MESA_FORMAT_Z32_FLOAT_X24S8 ***********************************************/ + +static void FETCH(z32f_x24s8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); + texel[RCOMP] = src[0]; + texel[GCOMP] = 0.0F; + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_z32f_x24s8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *src = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); + dst[0] = src[0]; +} +#endif + + +#undef TEXEL_ADDR +#undef DIM +#undef FETCH diff --git a/mesalib/src/mesa/main/texformat.c b/mesalib/src/mesa/main/texformat.c index 8cbb021d8..c919a74e0 100644 --- a/mesalib/src/mesa/main/texformat.c +++ b/mesalib/src/mesa/main/texformat.c @@ -416,6 +416,19 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat, } } + if (ctx->Extensions.ARB_depth_buffer_float) { + switch (internalFormat) { + case GL_DEPTH_COMPONENT32F: + ASSERT(ctx->TextureFormatSupported[MESA_FORMAT_Z32_FLOAT]); + return MESA_FORMAT_Z32_FLOAT; + case GL_DEPTH32F_STENCIL8: + ASSERT(ctx->TextureFormatSupported[MESA_FORMAT_Z32_FLOAT_X24S8]); + return MESA_FORMAT_Z32_FLOAT_X24S8; + default: + ; /* fallthrough */ + } + } + if (ctx->Extensions.ATI_envmap_bumpmap) { switch (internalFormat) { case GL_DUDV_ATI: diff --git a/mesalib/src/mesa/main/texobj.c b/mesalib/src/mesa/main/texobj.c index 6b496460a..9fc3d995b 100644 --- a/mesalib/src/mesa/main/texobj.c +++ b/mesalib/src/mesa/main/texobj.c @@ -899,7 +899,7 @@ unbind_texobj_from_texunits(struct gl_context *ctx, {
GLuint u, tex;
- for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) {
+ for (u = 0; u < Elements(ctx->Texture.Unit); u++) {
struct gl_texture_unit *unit = &ctx->Texture.Unit[u];
for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
if (texObj == unit->CurrentTex[tex]) {
diff --git a/mesalib/src/mesa/main/texstore.c b/mesalib/src/mesa/main/texstore.c index e527981ff..6e1e63bdf 100644 --- a/mesalib/src/mesa/main/texstore.c +++ b/mesalib/src/mesa/main/texstore.c @@ -1002,15 +1002,17 @@ memcpy_texture(struct gl_context *ctx, /** - * Store a 32-bit integer depth component texture image. + * Store a 32-bit integer or float depth component texture image. */ static GLboolean _mesa_texstore_z32(TEXSTORE_PARAMS) { const GLuint depthScale = 0xffffffff; const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); + const GLenum dstType = _mesa_get_format_datatype(dstFormat); (void) dims; - ASSERT(dstFormat == MESA_FORMAT_Z32); + ASSERT(dstFormat == MESA_FORMAT_Z32 || + dstFormat == MESA_FORMAT_Z32_FLOAT); ASSERT(texelBytes == sizeof(GLuint)); if (ctx->Pixel.DepthScale == 1.0f && @@ -1018,7 +1020,7 @@ _mesa_texstore_z32(TEXSTORE_PARAMS) !srcPacking->SwapBytes && baseInternalFormat == GL_DEPTH_COMPONENT && srcFormat == GL_DEPTH_COMPONENT && - srcType == GL_UNSIGNED_INT) { + srcType == dstType) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, @@ -1039,7 +1041,7 @@ _mesa_texstore_z32(TEXSTORE_PARAMS) const GLvoid *src = _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0); _mesa_unpack_depth_span(ctx, srcWidth, - GL_UNSIGNED_INT, (GLuint *) dstRow, + dstType, dstRow, depthScale, srcType, src, srcPacking); dstRow += dstRowStride; } @@ -4285,6 +4287,72 @@ _mesa_texstore_r11_g11_b10f(TEXSTORE_PARAMS) } +static GLboolean +_mesa_texstore_z32f_x24s8(TEXSTORE_PARAMS) +{ + ASSERT(dstFormat == MESA_FORMAT_Z32_FLOAT_X24S8); + ASSERT(srcFormat == GL_DEPTH_STENCIL || + srcFormat == GL_DEPTH_COMPONENT || + srcFormat == GL_STENCIL_INDEX); + ASSERT(srcFormat != GL_DEPTH_STENCIL || + srcType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV); + + if (srcFormat == GL_DEPTH_STENCIL && + ctx->Pixel.DepthScale == 1.0f && + ctx->Pixel.DepthBias == 0.0f && + !srcPacking->SwapBytes) { + /* simple path */ + memcpy_texture(ctx, dims, + dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, + dstImageOffsets, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else if (srcFormat == GL_DEPTH_COMPONENT || + srcFormat == GL_STENCIL_INDEX) { + GLint img, row; + const GLint srcRowStride + = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType) + / sizeof(uint64_t); + + /* In case we only upload depth we need to preserve the stencil */ + for (img = 0; img < srcDepth; img++) { + uint64_t *dstRow = (uint64_t *) dstAddr + + dstImageOffsets[dstZoffset + img] + + dstYoffset * dstRowStride / sizeof(uint64_t) + + dstXoffset; + const uint64_t *src + = (const uint64_t *) _mesa_image_address(dims, srcPacking, srcAddr, + srcWidth, srcHeight, + srcFormat, srcType, + img, 0, 0); + for (row = 0; row < srcHeight; row++) { + /* The unpack functions with: + * dstType = GL_FLOAT_32_UNSIGNED_INT_24_8_REV + * only write their own dword, so the other dword (stencil + * or depth) is preserved. */ + if (srcFormat != GL_STENCIL_INDEX) + _mesa_unpack_depth_span(ctx, srcWidth, + GL_FLOAT_32_UNSIGNED_INT_24_8_REV, /* dst type */ + dstRow, /* dst addr */ + 1.0f, srcType, src, srcPacking); + + if (srcFormat != GL_DEPTH_COMPONENT) + _mesa_unpack_stencil_span(ctx, srcWidth, + GL_FLOAT_32_UNSIGNED_INT_24_8_REV, /* dst type */ + dstRow, /* dst addr */ + srcType, src, srcPacking, + ctx->_ImageTransferState); + + src += srcRowStride; + dstRow += dstRowStride / sizeof(uint64_t); + } + } + } + return GL_TRUE; +} + /** * Table mapping MESA_FORMAT_* to _mesa_texstore_*() @@ -4419,6 +4487,9 @@ texstore_funcs[MESA_FORMAT_COUNT] = { MESA_FORMAT_RGB9_E5_FLOAT, _mesa_texstore_rgb9_e5 }, { MESA_FORMAT_R11_G11_B10_FLOAT, _mesa_texstore_r11_g11_b10f }, + + { MESA_FORMAT_Z32_FLOAT, _mesa_texstore_z32 }, + { MESA_FORMAT_Z32_FLOAT_X24S8, _mesa_texstore_z32f_x24s8 }, }; diff --git a/mesalib/src/mesa/main/uniforms.c b/mesalib/src/mesa/main/uniforms.c index 39a1751b4..12be9701a 100644 --- a/mesalib/src/mesa/main/uniforms.c +++ b/mesalib/src/mesa/main/uniforms.c @@ -580,7 +580,7 @@ _mesa_update_shader_textures_used(struct gl_program *prog) if (prog->SamplersUsed & (1 << s)) {
GLuint unit = prog->SamplerUnits[s];
GLuint tgt = prog->SamplerTargets[s];
- assert(unit < MAX_TEXTURE_IMAGE_UNITS);
+ assert(unit < Elements(prog->TexturesUsed));
assert(tgt < NUM_TEXTURE_TARGETS);
prog->TexturesUsed[unit] |= (1 << tgt);
}
@@ -674,7 +674,7 @@ set_program_uniform(struct gl_context *ctx, struct gl_program *program, GLuint texUnit = ((GLuint *) values)[i];
/* check that the sampler (tex unit index) is legal */
- if (texUnit >= ctx->Const.MaxTextureImageUnits) {
+ if (texUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glUniform1(invalid sampler/tex unit index for '%s')",
param->Name);
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