From 0b43e0b4ddbd9fdac70658164f3dbf653067a4de Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 11 Jul 2011 08:47:29 +0200 Subject: mesa update 11 july 2011 --- mesalib/src/mesa/main/depthstencil.c | 322 ++- mesalib/src/mesa/main/depthstencil.h | 119 +- mesalib/src/mesa/main/fbobject.c | 23 + mesalib/src/mesa/main/formats.c | 29 + mesalib/src/mesa/main/formats.h | 3 + mesalib/src/mesa/main/framebuffer.c | 10 +- mesalib/src/mesa/main/image.c | 3884 +++++++++++++-------------- mesalib/src/mesa/main/mipmap.c | 20 + mesalib/src/mesa/main/mtypes.h | 2 +- mesalib/src/mesa/main/pack.c | 83 +- mesalib/src/mesa/main/pack.h | 294 +-- mesalib/src/mesa/main/readpix.c | 29 +- mesalib/src/mesa/main/renderbuffer.c | 3 + mesalib/src/mesa/main/samplerobj.c | 2 +- mesalib/src/mesa/main/shaderapi.c | 4 +- mesalib/src/mesa/main/texenv.c | 6 +- mesalib/src/mesa/main/texfetch.c | 2114 +++++++-------- mesalib/src/mesa/main/texfetch_tmp.h | 4781 +++++++++++++++++----------------- mesalib/src/mesa/main/texformat.c | 13 + mesalib/src/mesa/main/texobj.c | 2 +- mesalib/src/mesa/main/texstore.c | 79 +- mesalib/src/mesa/main/uniforms.c | 4 +- 22 files changed, 6206 insertions(+), 5620 deletions(-) (limited to 'mesalib/src/mesa/main') diff --git a/mesalib/src/mesa/main/depthstencil.c b/mesalib/src/mesa/main/depthstencil.c index ab62c97fe..4d0600050 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 8cc3fd49a..84969360d 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 e88ba4397..f58b19756 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 0640bbc4a..5b8c01781 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 66c9bd910..6e2ce7421 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 f018c75cc..b88118366 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 a232a51c3..7de1d05b9 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 0331a8ca2..84c5b2228 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 c36175c60..f5b20020d 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 f7774fdd7..8f8d87b90 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 b58e30de9..8df25c3f9 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 9228e354a..c0d0f3779 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 565a3a2d8..0e84b8744 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 1c4fd82ba..dd069a3a4 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); -- cgit v1.2.3