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authormarha <marha@users.sourceforge.net>2011-09-19 13:39:03 +0200
committermarha <marha@users.sourceforge.net>2011-09-19 13:39:03 +0200
commit1678a69116d1c6ce900fe15f7813613bb28416dd (patch)
tree9589536f6b4bd60b34f90cf5ed20240d40bbb38c /mesalib/src/mesa/main
parent9d911bc1246139019e555f443e934677a067bc0a (diff)
parentb2c925e360e2c366526de15b44603f855f94139c (diff)
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Merge remote-tracking branch 'origin/released'
Conflicts: libfontenc/src/fontenc.c
Diffstat (limited to 'mesalib/src/mesa/main')
-rw-r--r--mesalib/src/mesa/main/dd.h10
-rw-r--r--mesalib/src/mesa/main/format_unpack.c8
-rw-r--r--mesalib/src/mesa/main/mipmap.c20
-rw-r--r--mesalib/src/mesa/main/mtypes.h34
-rw-r--r--mesalib/src/mesa/main/texcompress.c9
-rw-r--r--mesalib/src/mesa/main/texcompress_fxt1.c3303
-rw-r--r--mesalib/src/mesa/main/texcompress_fxt1.h124
-rw-r--r--mesalib/src/mesa/main/texcompress_rgtc.c922
-rw-r--r--mesalib/src/mesa/main/texcompress_rgtc.h18
-rw-r--r--mesalib/src/mesa/main/texcompress_s3tc.c39
-rw-r--r--mesalib/src/mesa/main/texcompress_s3tc.h220
-rw-r--r--mesalib/src/mesa/main/texfetch.c1057
-rw-r--r--mesalib/src/mesa/main/texfetch.h45
-rw-r--r--mesalib/src/mesa/main/texfetch_tmp.h2341
-rw-r--r--mesalib/src/mesa/main/teximage.c12
-rw-r--r--mesalib/src/mesa/main/texobj.c2
-rw-r--r--mesalib/src/mesa/main/texparam.c2
-rw-r--r--mesalib/src/mesa/main/texstore.c46
18 files changed, 2362 insertions, 5850 deletions
diff --git a/mesalib/src/mesa/main/dd.h b/mesalib/src/mesa/main/dd.h
index d6cc0196d..720e4f53d 100644
--- a/mesalib/src/mesa/main/dd.h
+++ b/mesalib/src/mesa/main/dd.h
@@ -476,6 +476,16 @@ struct dd_function_table {
*/
struct gl_texture_image * (*NewTextureImage)( struct gl_context *ctx );
+ /** Called to free a texture image object returned by NewTextureImage() */
+ void (*DeleteTextureImage)(struct gl_context *ctx,
+ struct gl_texture_image *);
+
+ /** Called to allocate memory for a single texture image */
+ GLboolean (*AllocTextureImageBuffer)(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ gl_format format, GLsizei width,
+ GLsizei height, GLsizei depth);
+
/**
* Called to free tImage->Data.
*/
diff --git a/mesalib/src/mesa/main/format_unpack.c b/mesalib/src/mesa/main/format_unpack.c
index c5146f72d..dadff0556 100644
--- a/mesalib/src/mesa/main/format_unpack.c
+++ b/mesalib/src/mesa/main/format_unpack.c
@@ -921,7 +921,11 @@ unpack_SIGNED_R16(const void *src, GLfloat dst[4])
static void
unpack_SIGNED_GR1616(const void *src, GLfloat dst[4])
{
- /* XXX TODO */
+ const GLuint s = *((const GLuint *) src);
+ dst[RCOMP] = SHORT_TO_FLOAT_TEX( s & 0xffff );
+ dst[GCOMP] = SHORT_TO_FLOAT_TEX( s >> 16 );
+ dst[BCOMP] = 0.0F;
+ dst[ACOMP] = 1.0F;
}
static void
@@ -947,7 +951,7 @@ unpack_SIGNED_RGBA_16(const void *src, GLfloat dst[4])
static void
unpack_RGBA_16(const void *src, GLfloat dst[4])
{
- const GLshort *s = (const GLshort *) src;
+ const GLushort *s = (const GLushort *) src;
dst[RCOMP] = USHORT_TO_FLOAT( s[0] );
dst[GCOMP] = USHORT_TO_FLOAT( s[1] );
dst[BCOMP] = USHORT_TO_FLOAT( s[2] );
diff --git a/mesalib/src/mesa/main/mipmap.c b/mesalib/src/mesa/main/mipmap.c
index 869243d1c..f170d235a 100644
--- a/mesalib/src/mesa/main/mipmap.c
+++ b/mesalib/src/mesa/main/mipmap.c
@@ -1955,23 +1955,17 @@ generate_mipmap_uncompressed(struct gl_context *ctx, GLenum target,
dstDepth, border, srcImage->InternalFormat,
srcImage->TexFormat);
dstImage->DriverData = NULL;
- dstImage->FetchTexelc = srcImage->FetchTexelc;
- dstImage->FetchTexelf = srcImage->FetchTexelf;
- /* Alloc new teximage data buffer */
- {
- GLuint size = _mesa_format_image_size(dstImage->TexFormat,
- dstWidth, dstHeight, dstDepth);
- dstImage->Data = _mesa_alloc_texmemory(size);
- if (!dstImage->Data) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps");
- return;
- }
+ /* Alloc storage for new texture image */
+ if (!ctx->Driver.AllocTextureImageBuffer(ctx, dstImage,
+ dstImage->TexFormat,
+ dstWidth, dstHeight,
+ dstDepth)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps");
+ return;
}
ASSERT(dstImage->TexFormat);
- ASSERT(dstImage->FetchTexelc);
- ASSERT(dstImage->FetchTexelf);
_mesa_generate_mipmap_level(target, datatype, comps, border,
srcWidth, srcHeight, srcDepth,
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 8671ecda9..429c8b430 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -1253,37 +1253,6 @@ typedef enum
/**
- * Texel fetch function prototype. We use texel fetch functions to
- * extract RGBA, color indexes and depth components out of 1D, 2D and 3D
- * texture images. These functions help to isolate us from the gritty
- * details of all the various texture image encodings.
- *
- * \param texImage texture image.
- * \param col texel column.
- * \param row texel row.
- * \param img texel image level/layer.
- * \param texelOut output texel (up to 4 GLchans)
- */
-typedef void (*FetchTexelFuncC)( const struct gl_texture_image *texImage,
- GLint col, GLint row, GLint img,
- GLchan *texelOut );
-
-/**
- * As above, but returns floats.
- * Used for depth component images and for upcoming signed/float
- * texture images.
- */
-typedef void (*FetchTexelFuncF)( const struct gl_texture_image *texImage,
- GLint col, GLint row, GLint img,
- GLfloat *texelOut );
-
-
-typedef void (*StoreTexelFunc)(struct gl_texture_image *texImage,
- GLint col, GLint row, GLint img,
- const void *texel);
-
-
-/**
* Texture image state. Describes the dimensions of a texture image,
* the texel format and pointers to Texel Fetch functions.
*/
@@ -1320,9 +1289,6 @@ struct gl_texture_image
/** Cube map face: index into gl_texture_object::Image[] array */
GLuint Face;
- FetchTexelFuncC FetchTexelc; /**< GLchan texel fetch function pointer */
- FetchTexelFuncF FetchTexelf; /**< Float texel fetch function pointer */
-
GLuint RowStride; /**< Padded width in units of texels */
GLuint *ImageOffsets; /**< if 3D texture: array [Depth] of offsets to
each 2D slice in 'Data', in texels */
diff --git a/mesalib/src/mesa/main/texcompress.c b/mesalib/src/mesa/main/texcompress.c
index 4e5c14cbb..b49d1b1ca 100644
--- a/mesalib/src/mesa/main/texcompress.c
+++ b/mesalib/src/mesa/main/texcompress.c
@@ -40,6 +40,7 @@
#include "texcompress_fxt1.h"
#include "texcompress_rgtc.h"
#include "texcompress_s3tc.h"
+#include "swrast/s_context.h"
/**
@@ -451,15 +452,15 @@ _mesa_decompress_image(gl_format format, GLuint width, GLuint height,
const GLubyte *src, GLint srcRowStride,
GLfloat *dest)
{
- void (*fetch)(const struct gl_texture_image *texImage,
+ void (*fetch)(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
- struct gl_texture_image texImage; /* dummy teximage */
+ struct swrast_texture_image texImage; /* dummy teximage */
GLuint i, j;
/* setup dummy texture image info */
memset(&texImage, 0, sizeof(texImage));
- texImage.Data = (void *) src;
- texImage.RowStride = srcRowStride;
+ texImage.Base.Data = (void *) src;
+ texImage.Base.RowStride = srcRowStride;
switch (format) {
/* DXT formats */
diff --git a/mesalib/src/mesa/main/texcompress_fxt1.c b/mesalib/src/mesa/main/texcompress_fxt1.c
index 261014d63..a75487ce2 100644
--- a/mesalib/src/mesa/main/texcompress_fxt1.c
+++ b/mesalib/src/mesa/main/texcompress_fxt1.c
@@ -1,1651 +1,1652 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2008 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.
- */
-
-
-/**
- * \file texcompress_fxt1.c
- * GL_3DFX_texture_compression_FXT1 support.
- */
-
-
-#include "glheader.h"
-#include "imports.h"
-#include "colormac.h"
-#include "image.h"
-#include "macros.h"
-#include "mfeatures.h"
-#include "mipmap.h"
-#include "texcompress.h"
-#include "texcompress_fxt1.h"
-#include "texstore.h"
-
-
-#if FEATURE_texture_fxt1
-
-
-static void
-fxt1_encode (GLuint width, GLuint height, GLint comps,
- const void *source, GLint srcRowStride,
- void *dest, GLint destRowStride);
-
-void
-fxt1_decode_1 (const void *texture, GLint stride,
- GLint i, GLint j, GLchan *rgba);
-
-
-/**
- * Store user's image in rgb_fxt1 format.
- */
-GLboolean
-_mesa_texstore_rgb_fxt1(TEXSTORE_PARAMS)
-{
- const GLchan *pixels;
- GLint srcRowStride;
- GLubyte *dst;
- const GLint texWidth = dstRowStride * 8 / 16; /* a bit of a hack */
- const GLchan *tempImage = NULL;
-
- ASSERT(dstFormat == MESA_FORMAT_RGB_FXT1);
- ASSERT(dstXoffset % 8 == 0);
- ASSERT(dstYoffset % 4 == 0);
- ASSERT(dstZoffset == 0);
- (void) dstZoffset;
- (void) dstImageOffsets;
-
- if (srcFormat != GL_RGB ||
- srcType != CHAN_TYPE ||
- ctx->_ImageTransferState ||
- srcPacking->SwapBytes) {
- /* convert image to RGB/GLchan */
- tempImage = _mesa_make_temp_chan_image(ctx, dims,
- baseInternalFormat,
- _mesa_get_format_base_format(dstFormat),
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking);
- if (!tempImage)
- return GL_FALSE; /* out of memory */
- pixels = tempImage;
- srcRowStride = 3 * srcWidth;
- srcFormat = GL_RGB;
- }
- else {
- pixels = (const GLchan *) srcAddr;
- srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat,
- srcType) / sizeof(GLchan);
- }
-
- dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat,
- texWidth, (GLubyte *) dstAddr);
-
- fxt1_encode(srcWidth, srcHeight, 3, pixels, srcRowStride,
- dst, dstRowStride);
-
- if (tempImage)
- free((void*) tempImage);
-
- return GL_TRUE;
-}
-
-
-/**
- * Store user's image in rgba_fxt1 format.
- */
-GLboolean
-_mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS)
-{
- const GLchan *pixels;
- GLint srcRowStride;
- GLubyte *dst;
- GLint texWidth = dstRowStride * 8 / 16; /* a bit of a hack */
- const GLchan *tempImage = NULL;
-
- ASSERT(dstFormat == MESA_FORMAT_RGBA_FXT1);
- ASSERT(dstXoffset % 8 == 0);
- ASSERT(dstYoffset % 4 == 0);
- ASSERT(dstZoffset == 0);
- (void) dstZoffset;
- (void) dstImageOffsets;
-
- if (srcFormat != GL_RGBA ||
- srcType != CHAN_TYPE ||
- ctx->_ImageTransferState ||
- srcPacking->SwapBytes) {
- /* convert image to RGBA/GLchan */
- tempImage = _mesa_make_temp_chan_image(ctx, dims,
- baseInternalFormat,
- _mesa_get_format_base_format(dstFormat),
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking);
- if (!tempImage)
- return GL_FALSE; /* out of memory */
- pixels = tempImage;
- srcRowStride = 4 * srcWidth;
- srcFormat = GL_RGBA;
- }
- else {
- pixels = (const GLchan *) srcAddr;
- srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat,
- srcType) / sizeof(GLchan);
- }
-
- dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat,
- texWidth, (GLubyte *) dstAddr);
-
- fxt1_encode(srcWidth, srcHeight, 4, pixels, srcRowStride,
- dst, dstRowStride);
-
- if (tempImage)
- free((void*) tempImage);
-
- return GL_TRUE;
-}
-
-
-void
-_mesa_fetch_texel_2d_f_rgba_fxt1( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- /* just sample as GLchan and convert to float here */
- GLchan rgba[4];
- (void) k;
- fxt1_decode_1(texImage->Data, texImage->RowStride, i, j, rgba);
- texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]);
- texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]);
- texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]);
- texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
-}
-
-
-void
-_mesa_fetch_texel_2d_f_rgb_fxt1( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- /* just sample as GLchan and convert to float here */
- GLchan rgba[4];
- (void) k;
- fxt1_decode_1(texImage->Data, texImage->RowStride, i, j, rgba);
- texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]);
- texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]);
- texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]);
- texel[ACOMP] = 1.0F;
-}
-
-
-
-/***************************************************************************\
- * FXT1 encoder
- *
- * The encoder was built by reversing the decoder,
- * and is vaguely based on Texus2 by 3dfx. Note that this code
- * is merely a proof of concept, since it is highly UNoptimized;
- * moreover, it is sub-optimal due to initial conditions passed
- * to Lloyd's algorithm (the interpolation modes are even worse).
-\***************************************************************************/
-
-
-#define MAX_COMP 4 /* ever needed maximum number of components in texel */
-#define MAX_VECT 4 /* ever needed maximum number of base vectors to find */
-#define N_TEXELS 32 /* number of texels in a block (always 32) */
-#define LL_N_REP 50 /* number of iterations in lloyd's vq */
-#define LL_RMS_D 10 /* fault tolerance (maximum delta) */
-#define LL_RMS_E 255 /* fault tolerance (maximum error) */
-#define ALPHA_TS 2 /* alpha threshold: (255 - ALPHA_TS) deemed opaque */
-#define ISTBLACK(v) (*((GLuint *)(v)) == 0)
-
-
-/*
- * Define a 64-bit unsigned integer type and macros
- */
-#if 1
-
-#define FX64_NATIVE 1
-
-typedef uint64_t Fx64;
-
-#define FX64_MOV32(a, b) a = b
-#define FX64_OR32(a, b) a |= b
-#define FX64_SHL(a, c) a <<= c
-
-#else
-
-#define FX64_NATIVE 0
-
-typedef struct {
- GLuint lo, hi;
-} Fx64;
-
-#define FX64_MOV32(a, b) a.lo = b
-#define FX64_OR32(a, b) a.lo |= b
-
-#define FX64_SHL(a, c) \
- do { \
- if ((c) >= 32) { \
- a.hi = a.lo << ((c) - 32); \
- a.lo = 0; \
- } else { \
- a.hi = (a.hi << (c)) | (a.lo >> (32 - (c))); \
- a.lo <<= (c); \
- } \
- } while (0)
-
-#endif
-
-
-#define F(i) (GLfloat)1 /* can be used to obtain an oblong metric: 0.30 / 0.59 / 0.11 */
-#define SAFECDOT 1 /* for paranoids */
-
-#define MAKEIVEC(NV, NC, IV, B, V0, V1) \
- do { \
- /* compute interpolation vector */ \
- GLfloat d2 = 0.0F; \
- GLfloat rd2; \
- \
- for (i = 0; i < NC; i++) { \
- IV[i] = (V1[i] - V0[i]) * F(i); \
- d2 += IV[i] * IV[i]; \
- } \
- rd2 = (GLfloat)NV / d2; \
- B = 0; \
- for (i = 0; i < NC; i++) { \
- IV[i] *= F(i); \
- B -= IV[i] * V0[i]; \
- IV[i] *= rd2; \
- } \
- B = B * rd2 + 0.5f; \
- } while (0)
-
-#define CALCCDOT(TEXEL, NV, NC, IV, B, V)\
- do { \
- GLfloat dot = 0.0F; \
- for (i = 0; i < NC; i++) { \
- dot += V[i] * IV[i]; \
- } \
- TEXEL = (GLint)(dot + B); \
- if (SAFECDOT) { \
- if (TEXEL < 0) { \
- TEXEL = 0; \
- } else if (TEXEL > NV) { \
- TEXEL = NV; \
- } \
- } \
- } while (0)
-
-
-static GLint
-fxt1_bestcol (GLfloat vec[][MAX_COMP], GLint nv,
- GLubyte input[MAX_COMP], GLint nc)
-{
- GLint i, j, best = -1;
- GLfloat err = 1e9; /* big enough */
-
- for (j = 0; j < nv; j++) {
- GLfloat e = 0.0F;
- for (i = 0; i < nc; i++) {
- e += (vec[j][i] - input[i]) * (vec[j][i] - input[i]);
- }
- if (e < err) {
- err = e;
- best = j;
- }
- }
-
- return best;
-}
-
-
-static GLint
-fxt1_worst (GLfloat vec[MAX_COMP],
- GLubyte input[N_TEXELS][MAX_COMP], GLint nc, GLint n)
-{
- GLint i, k, worst = -1;
- GLfloat err = -1.0F; /* small enough */
-
- for (k = 0; k < n; k++) {
- GLfloat e = 0.0F;
- for (i = 0; i < nc; i++) {
- e += (vec[i] - input[k][i]) * (vec[i] - input[k][i]);
- }
- if (e > err) {
- err = e;
- worst = k;
- }
- }
-
- return worst;
-}
-
-
-static GLint
-fxt1_variance (GLdouble variance[MAX_COMP],
- GLubyte input[N_TEXELS][MAX_COMP], GLint nc, GLint n)
-{
- GLint i, k, best = 0;
- GLint sx, sx2;
- GLdouble var, maxvar = -1; /* small enough */
- GLdouble teenth = 1.0 / n;
-
- for (i = 0; i < nc; i++) {
- sx = sx2 = 0;
- for (k = 0; k < n; k++) {
- GLint t = input[k][i];
- sx += t;
- sx2 += t * t;
- }
- var = sx2 * teenth - sx * sx * teenth * teenth;
- if (maxvar < var) {
- maxvar = var;
- best = i;
- }
- if (variance) {
- variance[i] = var;
- }
- }
-
- return best;
-}
-
-
-static GLint
-fxt1_choose (GLfloat vec[][MAX_COMP], GLint nv,
- GLubyte input[N_TEXELS][MAX_COMP], GLint nc, GLint n)
-{
-#if 0
- /* Choose colors from a grid.
- */
- GLint i, j;
-
- for (j = 0; j < nv; j++) {
- GLint m = j * (n - 1) / (nv - 1);
- for (i = 0; i < nc; i++) {
- vec[j][i] = input[m][i];
- }
- }
-#else
- /* Our solution here is to find the darkest and brightest colors in
- * the 8x4 tile and use those as the two representative colors.
- * There are probably better algorithms to use (histogram-based).
- */
- GLint i, j, k;
- GLint minSum = 2000; /* big enough */
- GLint maxSum = -1; /* small enough */
- GLint minCol = 0; /* phoudoin: silent compiler! */
- GLint maxCol = 0; /* phoudoin: silent compiler! */
-
- struct {
- GLint flag;
- GLint key;
- GLint freq;
- GLint idx;
- } hist[N_TEXELS];
- GLint lenh = 0;
-
- memset(hist, 0, sizeof(hist));
-
- for (k = 0; k < n; k++) {
- GLint l;
- GLint key = 0;
- GLint sum = 0;
- for (i = 0; i < nc; i++) {
- key <<= 8;
- key |= input[k][i];
- sum += input[k][i];
- }
- for (l = 0; l < n; l++) {
- if (!hist[l].flag) {
- /* alloc new slot */
- hist[l].flag = !0;
- hist[l].key = key;
- hist[l].freq = 1;
- hist[l].idx = k;
- lenh = l + 1;
- break;
- } else if (hist[l].key == key) {
- hist[l].freq++;
- break;
- }
- }
- if (minSum > sum) {
- minSum = sum;
- minCol = k;
- }
- if (maxSum < sum) {
- maxSum = sum;
- maxCol = k;
- }
- }
-
- if (lenh <= nv) {
- for (j = 0; j < lenh; j++) {
- for (i = 0; i < nc; i++) {
- vec[j][i] = (GLfloat)input[hist[j].idx][i];
- }
- }
- for (; j < nv; j++) {
- for (i = 0; i < nc; i++) {
- vec[j][i] = vec[0][i];
- }
- }
- return 0;
- }
-
- for (j = 0; j < nv; j++) {
- for (i = 0; i < nc; i++) {
- vec[j][i] = ((nv - 1 - j) * input[minCol][i] + j * input[maxCol][i] + (nv - 1) / 2) / (GLfloat)(nv - 1);
- }
- }
-#endif
-
- return !0;
-}
-
-
-static GLint
-fxt1_lloyd (GLfloat vec[][MAX_COMP], GLint nv,
- GLubyte input[N_TEXELS][MAX_COMP], GLint nc, GLint n)
-{
- /* Use the generalized lloyd's algorithm for VQ:
- * find 4 color vectors.
- *
- * for each sample color
- * sort to nearest vector.
- *
- * replace each vector with the centroid of its matching colors.
- *
- * repeat until RMS doesn't improve.
- *
- * if a color vector has no samples, or becomes the same as another
- * vector, replace it with the color which is farthest from a sample.
- *
- * vec[][MAX_COMP] initial vectors and resulting colors
- * nv number of resulting colors required
- * input[N_TEXELS][MAX_COMP] input texels
- * nc number of components in input / vec
- * n number of input samples
- */
-
- GLint sum[MAX_VECT][MAX_COMP]; /* used to accumulate closest texels */
- GLint cnt[MAX_VECT]; /* how many times a certain vector was chosen */
- GLfloat error, lasterror = 1e9;
-
- GLint i, j, k, rep;
-
- /* the quantizer */
- for (rep = 0; rep < LL_N_REP; rep++) {
- /* reset sums & counters */
- for (j = 0; j < nv; j++) {
- for (i = 0; i < nc; i++) {
- sum[j][i] = 0;
- }
- cnt[j] = 0;
- }
- error = 0;
-
- /* scan whole block */
- for (k = 0; k < n; k++) {
-#if 1
- GLint best = -1;
- GLfloat err = 1e9; /* big enough */
- /* determine best vector */
- for (j = 0; j < nv; j++) {
- GLfloat e = (vec[j][0] - input[k][0]) * (vec[j][0] - input[k][0]) +
- (vec[j][1] - input[k][1]) * (vec[j][1] - input[k][1]) +
- (vec[j][2] - input[k][2]) * (vec[j][2] - input[k][2]);
- if (nc == 4) {
- e += (vec[j][3] - input[k][3]) * (vec[j][3] - input[k][3]);
- }
- if (e < err) {
- err = e;
- best = j;
- }
- }
-#else
- GLint best = fxt1_bestcol(vec, nv, input[k], nc, &err);
-#endif
- assert(best >= 0);
- /* add in closest color */
- for (i = 0; i < nc; i++) {
- sum[best][i] += input[k][i];
- }
- /* mark this vector as used */
- cnt[best]++;
- /* accumulate error */
- error += err;
- }
-
- /* check RMS */
- if ((error < LL_RMS_E) ||
- ((error < lasterror) && ((lasterror - error) < LL_RMS_D))) {
- return !0; /* good match */
- }
- lasterror = error;
-
- /* move each vector to the barycenter of its closest colors */
- for (j = 0; j < nv; j++) {
- if (cnt[j]) {
- GLfloat div = 1.0F / cnt[j];
- for (i = 0; i < nc; i++) {
- vec[j][i] = div * sum[j][i];
- }
- } else {
- /* this vec has no samples or is identical with a previous vec */
- GLint worst = fxt1_worst(vec[j], input, nc, n);
- for (i = 0; i < nc; i++) {
- vec[j][i] = input[worst][i];
- }
- }
- }
- }
-
- return 0; /* could not converge fast enough */
-}
-
-
-static void
-fxt1_quantize_CHROMA (GLuint *cc,
- GLubyte input[N_TEXELS][MAX_COMP])
-{
- const GLint n_vect = 4; /* 4 base vectors to find */
- const GLint n_comp = 3; /* 3 components: R, G, B */
- GLfloat vec[MAX_VECT][MAX_COMP];
- GLint i, j, k;
- Fx64 hi; /* high quadword */
- GLuint lohi, lolo; /* low quadword: hi dword, lo dword */
-
- if (fxt1_choose(vec, n_vect, input, n_comp, N_TEXELS) != 0) {
- fxt1_lloyd(vec, n_vect, input, n_comp, N_TEXELS);
- }
-
- FX64_MOV32(hi, 4); /* cc-chroma = "010" + unused bit */
- for (j = n_vect - 1; j >= 0; j--) {
- for (i = 0; i < n_comp; i++) {
- /* add in colors */
- FX64_SHL(hi, 5);
- FX64_OR32(hi, (GLuint)(vec[j][i] / 8.0F));
- }
- }
- ((Fx64 *)cc)[1] = hi;
-
- lohi = lolo = 0;
- /* right microtile */
- for (k = N_TEXELS - 1; k >= N_TEXELS/2; k--) {
- lohi <<= 2;
- lohi |= fxt1_bestcol(vec, n_vect, input[k], n_comp);
- }
- /* left microtile */
- for (; k >= 0; k--) {
- lolo <<= 2;
- lolo |= fxt1_bestcol(vec, n_vect, input[k], n_comp);
- }
- cc[1] = lohi;
- cc[0] = lolo;
-}
-
-
-static void
-fxt1_quantize_ALPHA0 (GLuint *cc,
- GLubyte input[N_TEXELS][MAX_COMP],
- GLubyte reord[N_TEXELS][MAX_COMP], GLint n)
-{
- const GLint n_vect = 3; /* 3 base vectors to find */
- const GLint n_comp = 4; /* 4 components: R, G, B, A */
- GLfloat vec[MAX_VECT][MAX_COMP];
- GLint i, j, k;
- Fx64 hi; /* high quadword */
- GLuint lohi, lolo; /* low quadword: hi dword, lo dword */
-
- /* the last vector indicates zero */
- for (i = 0; i < n_comp; i++) {
- vec[n_vect][i] = 0;
- }
-
- /* the first n texels in reord are guaranteed to be non-zero */
- if (fxt1_choose(vec, n_vect, reord, n_comp, n) != 0) {
- fxt1_lloyd(vec, n_vect, reord, n_comp, n);
- }
-
- FX64_MOV32(hi, 6); /* alpha = "011" + lerp = 0 */
- for (j = n_vect - 1; j >= 0; j--) {
- /* add in alphas */
- FX64_SHL(hi, 5);
- FX64_OR32(hi, (GLuint)(vec[j][ACOMP] / 8.0F));
- }
- for (j = n_vect - 1; j >= 0; j--) {
- for (i = 0; i < n_comp - 1; i++) {
- /* add in colors */
- FX64_SHL(hi, 5);
- FX64_OR32(hi, (GLuint)(vec[j][i] / 8.0F));
- }
- }
- ((Fx64 *)cc)[1] = hi;
-
- lohi = lolo = 0;
- /* right microtile */
- for (k = N_TEXELS - 1; k >= N_TEXELS/2; k--) {
- lohi <<= 2;
- lohi |= fxt1_bestcol(vec, n_vect + 1, input[k], n_comp);
- }
- /* left microtile */
- for (; k >= 0; k--) {
- lolo <<= 2;
- lolo |= fxt1_bestcol(vec, n_vect + 1, input[k], n_comp);
- }
- cc[1] = lohi;
- cc[0] = lolo;
-}
-
-
-static void
-fxt1_quantize_ALPHA1 (GLuint *cc,
- GLubyte input[N_TEXELS][MAX_COMP])
-{
- const GLint n_vect = 3; /* highest vector number in each microtile */
- const GLint n_comp = 4; /* 4 components: R, G, B, A */
- GLfloat vec[1 + 1 + 1][MAX_COMP]; /* 1.5 extrema for each sub-block */
- GLfloat b, iv[MAX_COMP]; /* interpolation vector */
- GLint i, j, k;
- Fx64 hi; /* high quadword */
- GLuint lohi, lolo; /* low quadword: hi dword, lo dword */
-
- GLint minSum;
- GLint maxSum;
- GLint minColL = 0, maxColL = 0;
- GLint minColR = 0, maxColR = 0;
- GLint sumL = 0, sumR = 0;
- GLint nn_comp;
- /* Our solution here is to find the darkest and brightest colors in
- * the 4x4 tile and use those as the two representative colors.
- * There are probably better algorithms to use (histogram-based).
- */
- nn_comp = n_comp;
- while ((minColL == maxColL) && nn_comp) {
- minSum = 2000; /* big enough */
- maxSum = -1; /* small enough */
- for (k = 0; k < N_TEXELS / 2; k++) {
- GLint sum = 0;
- for (i = 0; i < nn_comp; i++) {
- sum += input[k][i];
- }
- if (minSum > sum) {
- minSum = sum;
- minColL = k;
- }
- if (maxSum < sum) {
- maxSum = sum;
- maxColL = k;
- }
- sumL += sum;
- }
-
- nn_comp--;
- }
-
- nn_comp = n_comp;
- while ((minColR == maxColR) && nn_comp) {
- minSum = 2000; /* big enough */
- maxSum = -1; /* small enough */
- for (k = N_TEXELS / 2; k < N_TEXELS; k++) {
- GLint sum = 0;
- for (i = 0; i < nn_comp; i++) {
- sum += input[k][i];
- }
- if (minSum > sum) {
- minSum = sum;
- minColR = k;
- }
- if (maxSum < sum) {
- maxSum = sum;
- maxColR = k;
- }
- sumR += sum;
- }
-
- nn_comp--;
- }
-
- /* choose the common vector (yuck!) */
- {
- GLint j1, j2;
- GLint v1 = 0, v2 = 0;
- GLfloat err = 1e9; /* big enough */
- GLfloat tv[2 * 2][MAX_COMP]; /* 2 extrema for each sub-block */
- for (i = 0; i < n_comp; i++) {
- tv[0][i] = input[minColL][i];
- tv[1][i] = input[maxColL][i];
- tv[2][i] = input[minColR][i];
- tv[3][i] = input[maxColR][i];
- }
- for (j1 = 0; j1 < 2; j1++) {
- for (j2 = 2; j2 < 4; j2++) {
- GLfloat e = 0.0F;
- for (i = 0; i < n_comp; i++) {
- e += (tv[j1][i] - tv[j2][i]) * (tv[j1][i] - tv[j2][i]);
- }
- if (e < err) {
- err = e;
- v1 = j1;
- v2 = j2;
- }
- }
- }
- for (i = 0; i < n_comp; i++) {
- vec[0][i] = tv[1 - v1][i];
- vec[1][i] = (tv[v1][i] * sumL + tv[v2][i] * sumR) / (sumL + sumR);
- vec[2][i] = tv[5 - v2][i];
- }
- }
-
- /* left microtile */
- cc[0] = 0;
- if (minColL != maxColL) {
- /* compute interpolation vector */
- MAKEIVEC(n_vect, n_comp, iv, b, vec[0], vec[1]);
-
- /* add in texels */
- lolo = 0;
- for (k = N_TEXELS / 2 - 1; k >= 0; k--) {
- GLint texel;
- /* interpolate color */
- CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
- /* add in texel */
- lolo <<= 2;
- lolo |= texel;
- }
-
- cc[0] = lolo;
- }
-
- /* right microtile */
- cc[1] = 0;
- if (minColR != maxColR) {
- /* compute interpolation vector */
- MAKEIVEC(n_vect, n_comp, iv, b, vec[2], vec[1]);
-
- /* add in texels */
- lohi = 0;
- for (k = N_TEXELS - 1; k >= N_TEXELS / 2; k--) {
- GLint texel;
- /* interpolate color */
- CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
- /* add in texel */
- lohi <<= 2;
- lohi |= texel;
- }
-
- cc[1] = lohi;
- }
-
- FX64_MOV32(hi, 7); /* alpha = "011" + lerp = 1 */
- for (j = n_vect - 1; j >= 0; j--) {
- /* add in alphas */
- FX64_SHL(hi, 5);
- FX64_OR32(hi, (GLuint)(vec[j][ACOMP] / 8.0F));
- }
- for (j = n_vect - 1; j >= 0; j--) {
- for (i = 0; i < n_comp - 1; i++) {
- /* add in colors */
- FX64_SHL(hi, 5);
- FX64_OR32(hi, (GLuint)(vec[j][i] / 8.0F));
- }
- }
- ((Fx64 *)cc)[1] = hi;
-}
-
-
-static void
-fxt1_quantize_HI (GLuint *cc,
- GLubyte input[N_TEXELS][MAX_COMP],
- GLubyte reord[N_TEXELS][MAX_COMP], GLint n)
-{
- const GLint n_vect = 6; /* highest vector number */
- const GLint n_comp = 3; /* 3 components: R, G, B */
- GLfloat b = 0.0F; /* phoudoin: silent compiler! */
- GLfloat iv[MAX_COMP]; /* interpolation vector */
- GLint i, k;
- GLuint hihi; /* high quadword: hi dword */
-
- GLint minSum = 2000; /* big enough */
- GLint maxSum = -1; /* small enough */
- GLint minCol = 0; /* phoudoin: silent compiler! */
- GLint maxCol = 0; /* phoudoin: silent compiler! */
-
- /* Our solution here is to find the darkest and brightest colors in
- * the 8x4 tile and use those as the two representative colors.
- * There are probably better algorithms to use (histogram-based).
- */
- for (k = 0; k < n; k++) {
- GLint sum = 0;
- for (i = 0; i < n_comp; i++) {
- sum += reord[k][i];
- }
- if (minSum > sum) {
- minSum = sum;
- minCol = k;
- }
- if (maxSum < sum) {
- maxSum = sum;
- maxCol = k;
- }
- }
-
- hihi = 0; /* cc-hi = "00" */
- for (i = 0; i < n_comp; i++) {
- /* add in colors */
- hihi <<= 5;
- hihi |= reord[maxCol][i] >> 3;
- }
- for (i = 0; i < n_comp; i++) {
- /* add in colors */
- hihi <<= 5;
- hihi |= reord[minCol][i] >> 3;
- }
- cc[3] = hihi;
- cc[0] = cc[1] = cc[2] = 0;
-
- /* compute interpolation vector */
- if (minCol != maxCol) {
- MAKEIVEC(n_vect, n_comp, iv, b, reord[minCol], reord[maxCol]);
- }
-
- /* add in texels */
- for (k = N_TEXELS - 1; k >= 0; k--) {
- GLint t = k * 3;
- GLuint *kk = (GLuint *)((char *)cc + t / 8);
- GLint texel = n_vect + 1; /* transparent black */
-
- if (!ISTBLACK(input[k])) {
- if (minCol != maxCol) {
- /* interpolate color */
- CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
- /* add in texel */
- kk[0] |= texel << (t & 7);
- }
- } else {
- /* add in texel */
- kk[0] |= texel << (t & 7);
- }
- }
-}
-
-
-static void
-fxt1_quantize_MIXED1 (GLuint *cc,
- GLubyte input[N_TEXELS][MAX_COMP])
-{
- const GLint n_vect = 2; /* highest vector number in each microtile */
- const GLint n_comp = 3; /* 3 components: R, G, B */
- GLubyte vec[2 * 2][MAX_COMP]; /* 2 extrema for each sub-block */
- GLfloat b, iv[MAX_COMP]; /* interpolation vector */
- GLint i, j, k;
- Fx64 hi; /* high quadword */
- GLuint lohi, lolo; /* low quadword: hi dword, lo dword */
-
- GLint minSum;
- GLint maxSum;
- GLint minColL = 0, maxColL = -1;
- GLint minColR = 0, maxColR = -1;
-
- /* Our solution here is to find the darkest and brightest colors in
- * the 4x4 tile and use those as the two representative colors.
- * There are probably better algorithms to use (histogram-based).
- */
- minSum = 2000; /* big enough */
- maxSum = -1; /* small enough */
- for (k = 0; k < N_TEXELS / 2; k++) {
- if (!ISTBLACK(input[k])) {
- GLint sum = 0;
- for (i = 0; i < n_comp; i++) {
- sum += input[k][i];
- }
- if (minSum > sum) {
- minSum = sum;
- minColL = k;
- }
- if (maxSum < sum) {
- maxSum = sum;
- maxColL = k;
- }
- }
- }
- minSum = 2000; /* big enough */
- maxSum = -1; /* small enough */
- for (; k < N_TEXELS; k++) {
- if (!ISTBLACK(input[k])) {
- GLint sum = 0;
- for (i = 0; i < n_comp; i++) {
- sum += input[k][i];
- }
- if (minSum > sum) {
- minSum = sum;
- minColR = k;
- }
- if (maxSum < sum) {
- maxSum = sum;
- maxColR = k;
- }
- }
- }
-
- /* left microtile */
- if (maxColL == -1) {
- /* all transparent black */
- cc[0] = ~0u;
- for (i = 0; i < n_comp; i++) {
- vec[0][i] = 0;
- vec[1][i] = 0;
- }
- } else {
- cc[0] = 0;
- for (i = 0; i < n_comp; i++) {
- vec[0][i] = input[minColL][i];
- vec[1][i] = input[maxColL][i];
- }
- if (minColL != maxColL) {
- /* compute interpolation vector */
- MAKEIVEC(n_vect, n_comp, iv, b, vec[0], vec[1]);
-
- /* add in texels */
- lolo = 0;
- for (k = N_TEXELS / 2 - 1; k >= 0; k--) {
- GLint texel = n_vect + 1; /* transparent black */
- if (!ISTBLACK(input[k])) {
- /* interpolate color */
- CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
- }
- /* add in texel */
- lolo <<= 2;
- lolo |= texel;
- }
- cc[0] = lolo;
- }
- }
-
- /* right microtile */
- if (maxColR == -1) {
- /* all transparent black */
- cc[1] = ~0u;
- for (i = 0; i < n_comp; i++) {
- vec[2][i] = 0;
- vec[3][i] = 0;
- }
- } else {
- cc[1] = 0;
- for (i = 0; i < n_comp; i++) {
- vec[2][i] = input[minColR][i];
- vec[3][i] = input[maxColR][i];
- }
- if (minColR != maxColR) {
- /* compute interpolation vector */
- MAKEIVEC(n_vect, n_comp, iv, b, vec[2], vec[3]);
-
- /* add in texels */
- lohi = 0;
- for (k = N_TEXELS - 1; k >= N_TEXELS / 2; k--) {
- GLint texel = n_vect + 1; /* transparent black */
- if (!ISTBLACK(input[k])) {
- /* interpolate color */
- CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
- }
- /* add in texel */
- lohi <<= 2;
- lohi |= texel;
- }
- cc[1] = lohi;
- }
- }
-
- FX64_MOV32(hi, 9 | (vec[3][GCOMP] & 4) | ((vec[1][GCOMP] >> 1) & 2)); /* chroma = "1" */
- for (j = 2 * 2 - 1; j >= 0; j--) {
- for (i = 0; i < n_comp; i++) {
- /* add in colors */
- FX64_SHL(hi, 5);
- FX64_OR32(hi, vec[j][i] >> 3);
- }
- }
- ((Fx64 *)cc)[1] = hi;
-}
-
-
-static void
-fxt1_quantize_MIXED0 (GLuint *cc,
- GLubyte input[N_TEXELS][MAX_COMP])
-{
- const GLint n_vect = 3; /* highest vector number in each microtile */
- const GLint n_comp = 3; /* 3 components: R, G, B */
- GLubyte vec[2 * 2][MAX_COMP]; /* 2 extrema for each sub-block */
- GLfloat b, iv[MAX_COMP]; /* interpolation vector */
- GLint i, j, k;
- Fx64 hi; /* high quadword */
- GLuint lohi, lolo; /* low quadword: hi dword, lo dword */
-
- GLint minColL = 0, maxColL = 0;
- GLint minColR = 0, maxColR = 0;
-#if 0
- GLint minSum;
- GLint maxSum;
-
- /* Our solution here is to find the darkest and brightest colors in
- * the 4x4 tile and use those as the two representative colors.
- * There are probably better algorithms to use (histogram-based).
- */
- minSum = 2000; /* big enough */
- maxSum = -1; /* small enough */
- for (k = 0; k < N_TEXELS / 2; k++) {
- GLint sum = 0;
- for (i = 0; i < n_comp; i++) {
- sum += input[k][i];
- }
- if (minSum > sum) {
- minSum = sum;
- minColL = k;
- }
- if (maxSum < sum) {
- maxSum = sum;
- maxColL = k;
- }
- }
- minSum = 2000; /* big enough */
- maxSum = -1; /* small enough */
- for (; k < N_TEXELS; k++) {
- GLint sum = 0;
- for (i = 0; i < n_comp; i++) {
- sum += input[k][i];
- }
- if (minSum > sum) {
- minSum = sum;
- minColR = k;
- }
- if (maxSum < sum) {
- maxSum = sum;
- maxColR = k;
- }
- }
-#else
- GLint minVal;
- GLint maxVal;
- GLint maxVarL = fxt1_variance(NULL, input, n_comp, N_TEXELS / 2);
- GLint maxVarR = fxt1_variance(NULL, &input[N_TEXELS / 2], n_comp, N_TEXELS / 2);
-
- /* Scan the channel with max variance for lo & hi
- * and use those as the two representative colors.
- */
- minVal = 2000; /* big enough */
- maxVal = -1; /* small enough */
- for (k = 0; k < N_TEXELS / 2; k++) {
- GLint t = input[k][maxVarL];
- if (minVal > t) {
- minVal = t;
- minColL = k;
- }
- if (maxVal < t) {
- maxVal = t;
- maxColL = k;
- }
- }
- minVal = 2000; /* big enough */
- maxVal = -1; /* small enough */
- for (; k < N_TEXELS; k++) {
- GLint t = input[k][maxVarR];
- if (minVal > t) {
- minVal = t;
- minColR = k;
- }
- if (maxVal < t) {
- maxVal = t;
- maxColR = k;
- }
- }
-#endif
-
- /* left microtile */
- cc[0] = 0;
- for (i = 0; i < n_comp; i++) {
- vec[0][i] = input[minColL][i];
- vec[1][i] = input[maxColL][i];
- }
- if (minColL != maxColL) {
- /* compute interpolation vector */
- MAKEIVEC(n_vect, n_comp, iv, b, vec[0], vec[1]);
-
- /* add in texels */
- lolo = 0;
- for (k = N_TEXELS / 2 - 1; k >= 0; k--) {
- GLint texel;
- /* interpolate color */
- CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
- /* add in texel */
- lolo <<= 2;
- lolo |= texel;
- }
-
- /* funky encoding for LSB of green */
- if ((GLint)((lolo >> 1) & 1) != (((vec[1][GCOMP] ^ vec[0][GCOMP]) >> 2) & 1)) {
- for (i = 0; i < n_comp; i++) {
- vec[1][i] = input[minColL][i];
- vec[0][i] = input[maxColL][i];
- }
- lolo = ~lolo;
- }
-
- cc[0] = lolo;
- }
-
- /* right microtile */
- cc[1] = 0;
- for (i = 0; i < n_comp; i++) {
- vec[2][i] = input[minColR][i];
- vec[3][i] = input[maxColR][i];
- }
- if (minColR != maxColR) {
- /* compute interpolation vector */
- MAKEIVEC(n_vect, n_comp, iv, b, vec[2], vec[3]);
-
- /* add in texels */
- lohi = 0;
- for (k = N_TEXELS - 1; k >= N_TEXELS / 2; k--) {
- GLint texel;
- /* interpolate color */
- CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
- /* add in texel */
- lohi <<= 2;
- lohi |= texel;
- }
-
- /* funky encoding for LSB of green */
- if ((GLint)((lohi >> 1) & 1) != (((vec[3][GCOMP] ^ vec[2][GCOMP]) >> 2) & 1)) {
- for (i = 0; i < n_comp; i++) {
- vec[3][i] = input[minColR][i];
- vec[2][i] = input[maxColR][i];
- }
- lohi = ~lohi;
- }
-
- cc[1] = lohi;
- }
-
- FX64_MOV32(hi, 8 | (vec[3][GCOMP] & 4) | ((vec[1][GCOMP] >> 1) & 2)); /* chroma = "1" */
- for (j = 2 * 2 - 1; j >= 0; j--) {
- for (i = 0; i < n_comp; i++) {
- /* add in colors */
- FX64_SHL(hi, 5);
- FX64_OR32(hi, vec[j][i] >> 3);
- }
- }
- ((Fx64 *)cc)[1] = hi;
-}
-
-
-static void
-fxt1_quantize (GLuint *cc, const GLubyte *lines[], GLint comps)
-{
- GLint trualpha;
- GLubyte reord[N_TEXELS][MAX_COMP];
-
- GLubyte input[N_TEXELS][MAX_COMP];
- GLint i, k, l;
-
- if (comps == 3) {
- /* make the whole block opaque */
- memset(input, -1, sizeof(input));
- }
-
- /* 8 texels each line */
- for (l = 0; l < 4; l++) {
- for (k = 0; k < 4; k++) {
- for (i = 0; i < comps; i++) {
- input[k + l * 4][i] = *lines[l]++;
- }
- }
- for (; k < 8; k++) {
- for (i = 0; i < comps; i++) {
- input[k + l * 4 + 12][i] = *lines[l]++;
- }
- }
- }
-
- /* block layout:
- * 00, 01, 02, 03, 08, 09, 0a, 0b
- * 10, 11, 12, 13, 18, 19, 1a, 1b
- * 04, 05, 06, 07, 0c, 0d, 0e, 0f
- * 14, 15, 16, 17, 1c, 1d, 1e, 1f
- */
-
- /* [dBorca]
- * stupidity flows forth from this
- */
- l = N_TEXELS;
- trualpha = 0;
- if (comps == 4) {
- /* skip all transparent black texels */
- l = 0;
- for (k = 0; k < N_TEXELS; k++) {
- /* test all components against 0 */
- if (!ISTBLACK(input[k])) {
- /* texel is not transparent black */
- COPY_4UBV(reord[l], input[k]);
- if (reord[l][ACOMP] < (255 - ALPHA_TS)) {
- /* non-opaque texel */
- trualpha = !0;
- }
- l++;
- }
- }
- }
-
-#if 0
- if (trualpha) {
- fxt1_quantize_ALPHA0(cc, input, reord, l);
- } else if (l == 0) {
- cc[0] = cc[1] = cc[2] = -1;
- cc[3] = 0;
- } else if (l < N_TEXELS) {
- fxt1_quantize_HI(cc, input, reord, l);
- } else {
- fxt1_quantize_CHROMA(cc, input);
- }
- (void)fxt1_quantize_ALPHA1;
- (void)fxt1_quantize_MIXED1;
- (void)fxt1_quantize_MIXED0;
-#else
- if (trualpha) {
- fxt1_quantize_ALPHA1(cc, input);
- } else if (l == 0) {
- cc[0] = cc[1] = cc[2] = ~0u;
- cc[3] = 0;
- } else if (l < N_TEXELS) {
- fxt1_quantize_MIXED1(cc, input);
- } else {
- fxt1_quantize_MIXED0(cc, input);
- }
- (void)fxt1_quantize_ALPHA0;
- (void)fxt1_quantize_HI;
- (void)fxt1_quantize_CHROMA;
-#endif
-}
-
-
-static void
-fxt1_encode (GLuint width, GLuint height, GLint comps,
- const void *source, GLint srcRowStride,
- void *dest, GLint destRowStride)
-{
- GLuint x, y;
- const GLubyte *data;
- GLuint *encoded = (GLuint *)dest;
- void *newSource = NULL;
-
- assert(comps == 3 || comps == 4);
-
- /* Replicate image if width is not M8 or height is not M4 */
- if ((width & 7) | (height & 3)) {
- GLint newWidth = (width + 7) & ~7;
- GLint newHeight = (height + 3) & ~3;
- newSource = malloc(comps * newWidth * newHeight * sizeof(GLchan));
- if (!newSource) {
- GET_CURRENT_CONTEXT(ctx);
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture compression");
- goto cleanUp;
- }
- _mesa_upscale_teximage2d(width, height, newWidth, newHeight,
- comps, (const GLchan *) source,
- srcRowStride, (GLchan *) newSource);
- source = newSource;
- width = newWidth;
- height = newHeight;
- srcRowStride = comps * newWidth;
- }
-
- /* convert from 16/32-bit channels to GLubyte if needed */
- if (CHAN_TYPE != GL_UNSIGNED_BYTE) {
- const GLuint n = width * height * comps;
- const GLchan *src = (const GLchan *) source;
- GLubyte *dest = (GLubyte *) malloc(n * sizeof(GLubyte));
- GLuint i;
- if (!dest) {
- GET_CURRENT_CONTEXT(ctx);
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture compression");
- goto cleanUp;
- }
- for (i = 0; i < n; i++) {
- dest[i] = CHAN_TO_UBYTE(src[i]);
- }
- if (newSource != NULL) {
- free(newSource);
- }
- newSource = dest; /* we'll free this buffer before returning */
- source = dest; /* the new, GLubyte incoming image */
- }
-
- data = (const GLubyte *) source;
- destRowStride = (destRowStride - width * 2) / 4;
- for (y = 0; y < height; y += 4) {
- GLuint offs = 0 + (y + 0) * srcRowStride;
- for (x = 0; x < width; x += 8) {
- const GLubyte *lines[4];
- lines[0] = &data[offs];
- lines[1] = lines[0] + srcRowStride;
- lines[2] = lines[1] + srcRowStride;
- lines[3] = lines[2] + srcRowStride;
- offs += 8 * comps;
- fxt1_quantize(encoded, lines, comps);
- /* 128 bits per 8x4 block */
- encoded += 4;
- }
- encoded += destRowStride;
- }
-
- cleanUp:
- if (newSource != NULL) {
- free(newSource);
- }
-}
-
-
-/***************************************************************************\
- * FXT1 decoder
- *
- * The decoder is based on GL_3DFX_texture_compression_FXT1
- * specification and serves as a concept for the encoder.
-\***************************************************************************/
-
-
-/* lookup table for scaling 5 bit colors up to 8 bits */
-static const GLubyte _rgb_scale_5[] = {
- 0, 8, 16, 25, 33, 41, 49, 58,
- 66, 74, 82, 90, 99, 107, 115, 123,
- 132, 140, 148, 156, 165, 173, 181, 189,
- 197, 206, 214, 222, 230, 239, 247, 255
-};
-
-/* lookup table for scaling 6 bit colors up to 8 bits */
-static const GLubyte _rgb_scale_6[] = {
- 0, 4, 8, 12, 16, 20, 24, 28,
- 32, 36, 40, 45, 49, 53, 57, 61,
- 65, 69, 73, 77, 81, 85, 89, 93,
- 97, 101, 105, 109, 113, 117, 121, 125,
- 130, 134, 138, 142, 146, 150, 154, 158,
- 162, 166, 170, 174, 178, 182, 186, 190,
- 194, 198, 202, 206, 210, 215, 219, 223,
- 227, 231, 235, 239, 243, 247, 251, 255
-};
-
-
-#define CC_SEL(cc, which) (((GLuint *)(cc))[(which) / 32] >> ((which) & 31))
-#define UP5(c) _rgb_scale_5[(c) & 31]
-#define UP6(c, b) _rgb_scale_6[(((c) & 31) << 1) | ((b) & 1)]
-#define LERP(n, t, c0, c1) (((n) - (t)) * (c0) + (t) * (c1) + (n) / 2) / (n)
-
-
-static void
-fxt1_decode_1HI (const GLubyte *code, GLint t, GLchan *rgba)
-{
- const GLuint *cc;
-
- t *= 3;
- cc = (const GLuint *)(code + t / 8);
- t = (cc[0] >> (t & 7)) & 7;
-
- if (t == 7) {
- rgba[RCOMP] = rgba[GCOMP] = rgba[BCOMP] = rgba[ACOMP] = 0;
- } else {
- GLubyte r, g, b;
- cc = (const GLuint *)(code + 12);
- if (t == 0) {
- b = UP5(CC_SEL(cc, 0));
- g = UP5(CC_SEL(cc, 5));
- r = UP5(CC_SEL(cc, 10));
- } else if (t == 6) {
- b = UP5(CC_SEL(cc, 15));
- g = UP5(CC_SEL(cc, 20));
- r = UP5(CC_SEL(cc, 25));
- } else {
- b = LERP(6, t, UP5(CC_SEL(cc, 0)), UP5(CC_SEL(cc, 15)));
- g = LERP(6, t, UP5(CC_SEL(cc, 5)), UP5(CC_SEL(cc, 20)));
- r = LERP(6, t, UP5(CC_SEL(cc, 10)), UP5(CC_SEL(cc, 25)));
- }
- rgba[RCOMP] = UBYTE_TO_CHAN(r);
- rgba[GCOMP] = UBYTE_TO_CHAN(g);
- rgba[BCOMP] = UBYTE_TO_CHAN(b);
- rgba[ACOMP] = CHAN_MAX;
- }
-}
-
-
-static void
-fxt1_decode_1CHROMA (const GLubyte *code, GLint t, GLchan *rgba)
-{
- const GLuint *cc;
- GLuint kk;
-
- cc = (const GLuint *)code;
- if (t & 16) {
- cc++;
- t &= 15;
- }
- t = (cc[0] >> (t * 2)) & 3;
-
- t *= 15;
- cc = (const GLuint *)(code + 8 + t / 8);
- kk = cc[0] >> (t & 7);
- rgba[BCOMP] = UBYTE_TO_CHAN( UP5(kk) );
- rgba[GCOMP] = UBYTE_TO_CHAN( UP5(kk >> 5) );
- rgba[RCOMP] = UBYTE_TO_CHAN( UP5(kk >> 10) );
- rgba[ACOMP] = CHAN_MAX;
-}
-
-
-static void
-fxt1_decode_1MIXED (const GLubyte *code, GLint t, GLchan *rgba)
-{
- const GLuint *cc;
- GLuint col[2][3];
- GLint glsb, selb;
-
- cc = (const GLuint *)code;
- if (t & 16) {
- t &= 15;
- t = (cc[1] >> (t * 2)) & 3;
- /* col 2 */
- col[0][BCOMP] = (*(const GLuint *)(code + 11)) >> 6;
- col[0][GCOMP] = CC_SEL(cc, 99);
- col[0][RCOMP] = CC_SEL(cc, 104);
- /* col 3 */
- col[1][BCOMP] = CC_SEL(cc, 109);
- col[1][GCOMP] = CC_SEL(cc, 114);
- col[1][RCOMP] = CC_SEL(cc, 119);
- glsb = CC_SEL(cc, 126);
- selb = CC_SEL(cc, 33);
- } else {
- t = (cc[0] >> (t * 2)) & 3;
- /* col 0 */
- col[0][BCOMP] = CC_SEL(cc, 64);
- col[0][GCOMP] = CC_SEL(cc, 69);
- col[0][RCOMP] = CC_SEL(cc, 74);
- /* col 1 */
- col[1][BCOMP] = CC_SEL(cc, 79);
- col[1][GCOMP] = CC_SEL(cc, 84);
- col[1][RCOMP] = CC_SEL(cc, 89);
- glsb = CC_SEL(cc, 125);
- selb = CC_SEL(cc, 1);
- }
-
- if (CC_SEL(cc, 124) & 1) {
- /* alpha[0] == 1 */
-
- if (t == 3) {
- /* zero */
- rgba[RCOMP] = rgba[BCOMP] = rgba[GCOMP] = rgba[ACOMP] = 0;
- } else {
- GLubyte r, g, b;
- if (t == 0) {
- b = UP5(col[0][BCOMP]);
- g = UP5(col[0][GCOMP]);
- r = UP5(col[0][RCOMP]);
- } else if (t == 2) {
- b = UP5(col[1][BCOMP]);
- g = UP6(col[1][GCOMP], glsb);
- r = UP5(col[1][RCOMP]);
- } else {
- b = (UP5(col[0][BCOMP]) + UP5(col[1][BCOMP])) / 2;
- g = (UP5(col[0][GCOMP]) + UP6(col[1][GCOMP], glsb)) / 2;
- r = (UP5(col[0][RCOMP]) + UP5(col[1][RCOMP])) / 2;
- }
- rgba[RCOMP] = UBYTE_TO_CHAN(r);
- rgba[GCOMP] = UBYTE_TO_CHAN(g);
- rgba[BCOMP] = UBYTE_TO_CHAN(b);
- rgba[ACOMP] = CHAN_MAX;
- }
- } else {
- /* alpha[0] == 0 */
- GLubyte r, g, b;
- if (t == 0) {
- b = UP5(col[0][BCOMP]);
- g = UP6(col[0][GCOMP], glsb ^ selb);
- r = UP5(col[0][RCOMP]);
- } else if (t == 3) {
- b = UP5(col[1][BCOMP]);
- g = UP6(col[1][GCOMP], glsb);
- r = UP5(col[1][RCOMP]);
- } else {
- b = LERP(3, t, UP5(col[0][BCOMP]), UP5(col[1][BCOMP]));
- g = LERP(3, t, UP6(col[0][GCOMP], glsb ^ selb),
- UP6(col[1][GCOMP], glsb));
- r = LERP(3, t, UP5(col[0][RCOMP]), UP5(col[1][RCOMP]));
- }
- rgba[RCOMP] = UBYTE_TO_CHAN(r);
- rgba[GCOMP] = UBYTE_TO_CHAN(g);
- rgba[BCOMP] = UBYTE_TO_CHAN(b);
- rgba[ACOMP] = CHAN_MAX;
- }
-}
-
-
-static void
-fxt1_decode_1ALPHA (const GLubyte *code, GLint t, GLchan *rgba)
-{
- const GLuint *cc;
- GLubyte r, g, b, a;
-
- cc = (const GLuint *)code;
- if (CC_SEL(cc, 124) & 1) {
- /* lerp == 1 */
- GLuint col0[4];
-
- if (t & 16) {
- t &= 15;
- t = (cc[1] >> (t * 2)) & 3;
- /* col 2 */
- col0[BCOMP] = (*(const GLuint *)(code + 11)) >> 6;
- col0[GCOMP] = CC_SEL(cc, 99);
- col0[RCOMP] = CC_SEL(cc, 104);
- col0[ACOMP] = CC_SEL(cc, 119);
- } else {
- t = (cc[0] >> (t * 2)) & 3;
- /* col 0 */
- col0[BCOMP] = CC_SEL(cc, 64);
- col0[GCOMP] = CC_SEL(cc, 69);
- col0[RCOMP] = CC_SEL(cc, 74);
- col0[ACOMP] = CC_SEL(cc, 109);
- }
-
- if (t == 0) {
- b = UP5(col0[BCOMP]);
- g = UP5(col0[GCOMP]);
- r = UP5(col0[RCOMP]);
- a = UP5(col0[ACOMP]);
- } else if (t == 3) {
- b = UP5(CC_SEL(cc, 79));
- g = UP5(CC_SEL(cc, 84));
- r = UP5(CC_SEL(cc, 89));
- a = UP5(CC_SEL(cc, 114));
- } else {
- b = LERP(3, t, UP5(col0[BCOMP]), UP5(CC_SEL(cc, 79)));
- g = LERP(3, t, UP5(col0[GCOMP]), UP5(CC_SEL(cc, 84)));
- r = LERP(3, t, UP5(col0[RCOMP]), UP5(CC_SEL(cc, 89)));
- a = LERP(3, t, UP5(col0[ACOMP]), UP5(CC_SEL(cc, 114)));
- }
- } else {
- /* lerp == 0 */
-
- if (t & 16) {
- cc++;
- t &= 15;
- }
- t = (cc[0] >> (t * 2)) & 3;
-
- if (t == 3) {
- /* zero */
- r = g = b = a = 0;
- } else {
- GLuint kk;
- cc = (const GLuint *)code;
- a = UP5(cc[3] >> (t * 5 + 13));
- t *= 15;
- cc = (const GLuint *)(code + 8 + t / 8);
- kk = cc[0] >> (t & 7);
- b = UP5(kk);
- g = UP5(kk >> 5);
- r = UP5(kk >> 10);
- }
- }
- rgba[RCOMP] = UBYTE_TO_CHAN(r);
- rgba[GCOMP] = UBYTE_TO_CHAN(g);
- rgba[BCOMP] = UBYTE_TO_CHAN(b);
- rgba[ACOMP] = UBYTE_TO_CHAN(a);
-}
-
-
-void
-fxt1_decode_1 (const void *texture, GLint stride, /* in pixels */
- GLint i, GLint j, GLchan *rgba)
-{
- static void (*decode_1[]) (const GLubyte *, GLint, GLchan *) = {
- fxt1_decode_1HI, /* cc-high = "00?" */
- fxt1_decode_1HI, /* cc-high = "00?" */
- fxt1_decode_1CHROMA, /* cc-chroma = "010" */
- fxt1_decode_1ALPHA, /* alpha = "011" */
- fxt1_decode_1MIXED, /* mixed = "1??" */
- fxt1_decode_1MIXED, /* mixed = "1??" */
- fxt1_decode_1MIXED, /* mixed = "1??" */
- fxt1_decode_1MIXED /* mixed = "1??" */
- };
-
- const GLubyte *code = (const GLubyte *)texture +
- ((j / 4) * (stride / 8) + (i / 8)) * 16;
- GLint mode = CC_SEL(code, 125);
- GLint t = i & 7;
-
- if (t & 4) {
- t += 12;
- }
- t += (j & 3) * 4;
-
- decode_1[mode](code, t, rgba);
-}
-
-
-#endif /* FEATURE_texture_fxt1 */
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2008 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.
+ */
+
+
+/**
+ * \file texcompress_fxt1.c
+ * GL_3DFX_texture_compression_FXT1 support.
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "colormac.h"
+#include "image.h"
+#include "macros.h"
+#include "mfeatures.h"
+#include "mipmap.h"
+#include "texcompress.h"
+#include "texcompress_fxt1.h"
+#include "texstore.h"
+#include "swrast/s_context.h"
+
+
+#if FEATURE_texture_fxt1
+
+
+static void
+fxt1_encode (GLuint width, GLuint height, GLint comps,
+ const void *source, GLint srcRowStride,
+ void *dest, GLint destRowStride);
+
+void
+fxt1_decode_1 (const void *texture, GLint stride,
+ GLint i, GLint j, GLchan *rgba);
+
+
+/**
+ * Store user's image in rgb_fxt1 format.
+ */
+GLboolean
+_mesa_texstore_rgb_fxt1(TEXSTORE_PARAMS)
+{
+ const GLchan *pixels;
+ GLint srcRowStride;
+ GLubyte *dst;
+ const GLint texWidth = dstRowStride * 8 / 16; /* a bit of a hack */
+ const GLchan *tempImage = NULL;
+
+ ASSERT(dstFormat == MESA_FORMAT_RGB_FXT1);
+ ASSERT(dstXoffset % 8 == 0);
+ ASSERT(dstYoffset % 4 == 0);
+ ASSERT(dstZoffset == 0);
+ (void) dstZoffset;
+ (void) dstImageOffsets;
+
+ if (srcFormat != GL_RGB ||
+ srcType != CHAN_TYPE ||
+ ctx->_ImageTransferState ||
+ srcPacking->SwapBytes) {
+ /* convert image to RGB/GLchan */
+ tempImage = _mesa_make_temp_chan_image(ctx, dims,
+ baseInternalFormat,
+ _mesa_get_format_base_format(dstFormat),
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ if (!tempImage)
+ return GL_FALSE; /* out of memory */
+ pixels = tempImage;
+ srcRowStride = 3 * srcWidth;
+ srcFormat = GL_RGB;
+ }
+ else {
+ pixels = (const GLchan *) srcAddr;
+ srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat,
+ srcType) / sizeof(GLchan);
+ }
+
+ dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+ dstFormat,
+ texWidth, (GLubyte *) dstAddr);
+
+ fxt1_encode(srcWidth, srcHeight, 3, pixels, srcRowStride,
+ dst, dstRowStride);
+
+ if (tempImage)
+ free((void*) tempImage);
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Store user's image in rgba_fxt1 format.
+ */
+GLboolean
+_mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS)
+{
+ const GLchan *pixels;
+ GLint srcRowStride;
+ GLubyte *dst;
+ GLint texWidth = dstRowStride * 8 / 16; /* a bit of a hack */
+ const GLchan *tempImage = NULL;
+
+ ASSERT(dstFormat == MESA_FORMAT_RGBA_FXT1);
+ ASSERT(dstXoffset % 8 == 0);
+ ASSERT(dstYoffset % 4 == 0);
+ ASSERT(dstZoffset == 0);
+ (void) dstZoffset;
+ (void) dstImageOffsets;
+
+ if (srcFormat != GL_RGBA ||
+ srcType != CHAN_TYPE ||
+ ctx->_ImageTransferState ||
+ srcPacking->SwapBytes) {
+ /* convert image to RGBA/GLchan */
+ tempImage = _mesa_make_temp_chan_image(ctx, dims,
+ baseInternalFormat,
+ _mesa_get_format_base_format(dstFormat),
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ if (!tempImage)
+ return GL_FALSE; /* out of memory */
+ pixels = tempImage;
+ srcRowStride = 4 * srcWidth;
+ srcFormat = GL_RGBA;
+ }
+ else {
+ pixels = (const GLchan *) srcAddr;
+ srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat,
+ srcType) / sizeof(GLchan);
+ }
+
+ dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+ dstFormat,
+ texWidth, (GLubyte *) dstAddr);
+
+ fxt1_encode(srcWidth, srcHeight, 4, pixels, srcRowStride,
+ dst, dstRowStride);
+
+ if (tempImage)
+ free((void*) tempImage);
+
+ return GL_TRUE;
+}
+
+
+void
+_mesa_fetch_texel_2d_f_rgba_fxt1( const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel )
+{
+ /* just sample as GLchan and convert to float here */
+ GLchan rgba[4];
+ (void) k;
+ fxt1_decode_1(texImage->Base.Data, texImage->Base.RowStride, i, j, rgba);
+ texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]);
+ texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]);
+ texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]);
+ texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
+}
+
+
+void
+_mesa_fetch_texel_2d_f_rgb_fxt1( const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel )
+{
+ /* just sample as GLchan and convert to float here */
+ GLchan rgba[4];
+ (void) k;
+ fxt1_decode_1(texImage->Base.Data, texImage->Base.RowStride, i, j, rgba);
+ texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]);
+ texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]);
+ texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]);
+ texel[ACOMP] = 1.0F;
+}
+
+
+
+/***************************************************************************\
+ * FXT1 encoder
+ *
+ * The encoder was built by reversing the decoder,
+ * and is vaguely based on Texus2 by 3dfx. Note that this code
+ * is merely a proof of concept, since it is highly UNoptimized;
+ * moreover, it is sub-optimal due to initial conditions passed
+ * to Lloyd's algorithm (the interpolation modes are even worse).
+\***************************************************************************/
+
+
+#define MAX_COMP 4 /* ever needed maximum number of components in texel */
+#define MAX_VECT 4 /* ever needed maximum number of base vectors to find */
+#define N_TEXELS 32 /* number of texels in a block (always 32) */
+#define LL_N_REP 50 /* number of iterations in lloyd's vq */
+#define LL_RMS_D 10 /* fault tolerance (maximum delta) */
+#define LL_RMS_E 255 /* fault tolerance (maximum error) */
+#define ALPHA_TS 2 /* alpha threshold: (255 - ALPHA_TS) deemed opaque */
+#define ISTBLACK(v) (*((GLuint *)(v)) == 0)
+
+
+/*
+ * Define a 64-bit unsigned integer type and macros
+ */
+#if 1
+
+#define FX64_NATIVE 1
+
+typedef uint64_t Fx64;
+
+#define FX64_MOV32(a, b) a = b
+#define FX64_OR32(a, b) a |= b
+#define FX64_SHL(a, c) a <<= c
+
+#else
+
+#define FX64_NATIVE 0
+
+typedef struct {
+ GLuint lo, hi;
+} Fx64;
+
+#define FX64_MOV32(a, b) a.lo = b
+#define FX64_OR32(a, b) a.lo |= b
+
+#define FX64_SHL(a, c) \
+ do { \
+ if ((c) >= 32) { \
+ a.hi = a.lo << ((c) - 32); \
+ a.lo = 0; \
+ } else { \
+ a.hi = (a.hi << (c)) | (a.lo >> (32 - (c))); \
+ a.lo <<= (c); \
+ } \
+ } while (0)
+
+#endif
+
+
+#define F(i) (GLfloat)1 /* can be used to obtain an oblong metric: 0.30 / 0.59 / 0.11 */
+#define SAFECDOT 1 /* for paranoids */
+
+#define MAKEIVEC(NV, NC, IV, B, V0, V1) \
+ do { \
+ /* compute interpolation vector */ \
+ GLfloat d2 = 0.0F; \
+ GLfloat rd2; \
+ \
+ for (i = 0; i < NC; i++) { \
+ IV[i] = (V1[i] - V0[i]) * F(i); \
+ d2 += IV[i] * IV[i]; \
+ } \
+ rd2 = (GLfloat)NV / d2; \
+ B = 0; \
+ for (i = 0; i < NC; i++) { \
+ IV[i] *= F(i); \
+ B -= IV[i] * V0[i]; \
+ IV[i] *= rd2; \
+ } \
+ B = B * rd2 + 0.5f; \
+ } while (0)
+
+#define CALCCDOT(TEXEL, NV, NC, IV, B, V)\
+ do { \
+ GLfloat dot = 0.0F; \
+ for (i = 0; i < NC; i++) { \
+ dot += V[i] * IV[i]; \
+ } \
+ TEXEL = (GLint)(dot + B); \
+ if (SAFECDOT) { \
+ if (TEXEL < 0) { \
+ TEXEL = 0; \
+ } else if (TEXEL > NV) { \
+ TEXEL = NV; \
+ } \
+ } \
+ } while (0)
+
+
+static GLint
+fxt1_bestcol (GLfloat vec[][MAX_COMP], GLint nv,
+ GLubyte input[MAX_COMP], GLint nc)
+{
+ GLint i, j, best = -1;
+ GLfloat err = 1e9; /* big enough */
+
+ for (j = 0; j < nv; j++) {
+ GLfloat e = 0.0F;
+ for (i = 0; i < nc; i++) {
+ e += (vec[j][i] - input[i]) * (vec[j][i] - input[i]);
+ }
+ if (e < err) {
+ err = e;
+ best = j;
+ }
+ }
+
+ return best;
+}
+
+
+static GLint
+fxt1_worst (GLfloat vec[MAX_COMP],
+ GLubyte input[N_TEXELS][MAX_COMP], GLint nc, GLint n)
+{
+ GLint i, k, worst = -1;
+ GLfloat err = -1.0F; /* small enough */
+
+ for (k = 0; k < n; k++) {
+ GLfloat e = 0.0F;
+ for (i = 0; i < nc; i++) {
+ e += (vec[i] - input[k][i]) * (vec[i] - input[k][i]);
+ }
+ if (e > err) {
+ err = e;
+ worst = k;
+ }
+ }
+
+ return worst;
+}
+
+
+static GLint
+fxt1_variance (GLdouble variance[MAX_COMP],
+ GLubyte input[N_TEXELS][MAX_COMP], GLint nc, GLint n)
+{
+ GLint i, k, best = 0;
+ GLint sx, sx2;
+ GLdouble var, maxvar = -1; /* small enough */
+ GLdouble teenth = 1.0 / n;
+
+ for (i = 0; i < nc; i++) {
+ sx = sx2 = 0;
+ for (k = 0; k < n; k++) {
+ GLint t = input[k][i];
+ sx += t;
+ sx2 += t * t;
+ }
+ var = sx2 * teenth - sx * sx * teenth * teenth;
+ if (maxvar < var) {
+ maxvar = var;
+ best = i;
+ }
+ if (variance) {
+ variance[i] = var;
+ }
+ }
+
+ return best;
+}
+
+
+static GLint
+fxt1_choose (GLfloat vec[][MAX_COMP], GLint nv,
+ GLubyte input[N_TEXELS][MAX_COMP], GLint nc, GLint n)
+{
+#if 0
+ /* Choose colors from a grid.
+ */
+ GLint i, j;
+
+ for (j = 0; j < nv; j++) {
+ GLint m = j * (n - 1) / (nv - 1);
+ for (i = 0; i < nc; i++) {
+ vec[j][i] = input[m][i];
+ }
+ }
+#else
+ /* Our solution here is to find the darkest and brightest colors in
+ * the 8x4 tile and use those as the two representative colors.
+ * There are probably better algorithms to use (histogram-based).
+ */
+ GLint i, j, k;
+ GLint minSum = 2000; /* big enough */
+ GLint maxSum = -1; /* small enough */
+ GLint minCol = 0; /* phoudoin: silent compiler! */
+ GLint maxCol = 0; /* phoudoin: silent compiler! */
+
+ struct {
+ GLint flag;
+ GLint key;
+ GLint freq;
+ GLint idx;
+ } hist[N_TEXELS];
+ GLint lenh = 0;
+
+ memset(hist, 0, sizeof(hist));
+
+ for (k = 0; k < n; k++) {
+ GLint l;
+ GLint key = 0;
+ GLint sum = 0;
+ for (i = 0; i < nc; i++) {
+ key <<= 8;
+ key |= input[k][i];
+ sum += input[k][i];
+ }
+ for (l = 0; l < n; l++) {
+ if (!hist[l].flag) {
+ /* alloc new slot */
+ hist[l].flag = !0;
+ hist[l].key = key;
+ hist[l].freq = 1;
+ hist[l].idx = k;
+ lenh = l + 1;
+ break;
+ } else if (hist[l].key == key) {
+ hist[l].freq++;
+ break;
+ }
+ }
+ if (minSum > sum) {
+ minSum = sum;
+ minCol = k;
+ }
+ if (maxSum < sum) {
+ maxSum = sum;
+ maxCol = k;
+ }
+ }
+
+ if (lenh <= nv) {
+ for (j = 0; j < lenh; j++) {
+ for (i = 0; i < nc; i++) {
+ vec[j][i] = (GLfloat)input[hist[j].idx][i];
+ }
+ }
+ for (; j < nv; j++) {
+ for (i = 0; i < nc; i++) {
+ vec[j][i] = vec[0][i];
+ }
+ }
+ return 0;
+ }
+
+ for (j = 0; j < nv; j++) {
+ for (i = 0; i < nc; i++) {
+ vec[j][i] = ((nv - 1 - j) * input[minCol][i] + j * input[maxCol][i] + (nv - 1) / 2) / (GLfloat)(nv - 1);
+ }
+ }
+#endif
+
+ return !0;
+}
+
+
+static GLint
+fxt1_lloyd (GLfloat vec[][MAX_COMP], GLint nv,
+ GLubyte input[N_TEXELS][MAX_COMP], GLint nc, GLint n)
+{
+ /* Use the generalized lloyd's algorithm for VQ:
+ * find 4 color vectors.
+ *
+ * for each sample color
+ * sort to nearest vector.
+ *
+ * replace each vector with the centroid of its matching colors.
+ *
+ * repeat until RMS doesn't improve.
+ *
+ * if a color vector has no samples, or becomes the same as another
+ * vector, replace it with the color which is farthest from a sample.
+ *
+ * vec[][MAX_COMP] initial vectors and resulting colors
+ * nv number of resulting colors required
+ * input[N_TEXELS][MAX_COMP] input texels
+ * nc number of components in input / vec
+ * n number of input samples
+ */
+
+ GLint sum[MAX_VECT][MAX_COMP]; /* used to accumulate closest texels */
+ GLint cnt[MAX_VECT]; /* how many times a certain vector was chosen */
+ GLfloat error, lasterror = 1e9;
+
+ GLint i, j, k, rep;
+
+ /* the quantizer */
+ for (rep = 0; rep < LL_N_REP; rep++) {
+ /* reset sums & counters */
+ for (j = 0; j < nv; j++) {
+ for (i = 0; i < nc; i++) {
+ sum[j][i] = 0;
+ }
+ cnt[j] = 0;
+ }
+ error = 0;
+
+ /* scan whole block */
+ for (k = 0; k < n; k++) {
+#if 1
+ GLint best = -1;
+ GLfloat err = 1e9; /* big enough */
+ /* determine best vector */
+ for (j = 0; j < nv; j++) {
+ GLfloat e = (vec[j][0] - input[k][0]) * (vec[j][0] - input[k][0]) +
+ (vec[j][1] - input[k][1]) * (vec[j][1] - input[k][1]) +
+ (vec[j][2] - input[k][2]) * (vec[j][2] - input[k][2]);
+ if (nc == 4) {
+ e += (vec[j][3] - input[k][3]) * (vec[j][3] - input[k][3]);
+ }
+ if (e < err) {
+ err = e;
+ best = j;
+ }
+ }
+#else
+ GLint best = fxt1_bestcol(vec, nv, input[k], nc, &err);
+#endif
+ assert(best >= 0);
+ /* add in closest color */
+ for (i = 0; i < nc; i++) {
+ sum[best][i] += input[k][i];
+ }
+ /* mark this vector as used */
+ cnt[best]++;
+ /* accumulate error */
+ error += err;
+ }
+
+ /* check RMS */
+ if ((error < LL_RMS_E) ||
+ ((error < lasterror) && ((lasterror - error) < LL_RMS_D))) {
+ return !0; /* good match */
+ }
+ lasterror = error;
+
+ /* move each vector to the barycenter of its closest colors */
+ for (j = 0; j < nv; j++) {
+ if (cnt[j]) {
+ GLfloat div = 1.0F / cnt[j];
+ for (i = 0; i < nc; i++) {
+ vec[j][i] = div * sum[j][i];
+ }
+ } else {
+ /* this vec has no samples or is identical with a previous vec */
+ GLint worst = fxt1_worst(vec[j], input, nc, n);
+ for (i = 0; i < nc; i++) {
+ vec[j][i] = input[worst][i];
+ }
+ }
+ }
+ }
+
+ return 0; /* could not converge fast enough */
+}
+
+
+static void
+fxt1_quantize_CHROMA (GLuint *cc,
+ GLubyte input[N_TEXELS][MAX_COMP])
+{
+ const GLint n_vect = 4; /* 4 base vectors to find */
+ const GLint n_comp = 3; /* 3 components: R, G, B */
+ GLfloat vec[MAX_VECT][MAX_COMP];
+ GLint i, j, k;
+ Fx64 hi; /* high quadword */
+ GLuint lohi, lolo; /* low quadword: hi dword, lo dword */
+
+ if (fxt1_choose(vec, n_vect, input, n_comp, N_TEXELS) != 0) {
+ fxt1_lloyd(vec, n_vect, input, n_comp, N_TEXELS);
+ }
+
+ FX64_MOV32(hi, 4); /* cc-chroma = "010" + unused bit */
+ for (j = n_vect - 1; j >= 0; j--) {
+ for (i = 0; i < n_comp; i++) {
+ /* add in colors */
+ FX64_SHL(hi, 5);
+ FX64_OR32(hi, (GLuint)(vec[j][i] / 8.0F));
+ }
+ }
+ ((Fx64 *)cc)[1] = hi;
+
+ lohi = lolo = 0;
+ /* right microtile */
+ for (k = N_TEXELS - 1; k >= N_TEXELS/2; k--) {
+ lohi <<= 2;
+ lohi |= fxt1_bestcol(vec, n_vect, input[k], n_comp);
+ }
+ /* left microtile */
+ for (; k >= 0; k--) {
+ lolo <<= 2;
+ lolo |= fxt1_bestcol(vec, n_vect, input[k], n_comp);
+ }
+ cc[1] = lohi;
+ cc[0] = lolo;
+}
+
+
+static void
+fxt1_quantize_ALPHA0 (GLuint *cc,
+ GLubyte input[N_TEXELS][MAX_COMP],
+ GLubyte reord[N_TEXELS][MAX_COMP], GLint n)
+{
+ const GLint n_vect = 3; /* 3 base vectors to find */
+ const GLint n_comp = 4; /* 4 components: R, G, B, A */
+ GLfloat vec[MAX_VECT][MAX_COMP];
+ GLint i, j, k;
+ Fx64 hi; /* high quadword */
+ GLuint lohi, lolo; /* low quadword: hi dword, lo dword */
+
+ /* the last vector indicates zero */
+ for (i = 0; i < n_comp; i++) {
+ vec[n_vect][i] = 0;
+ }
+
+ /* the first n texels in reord are guaranteed to be non-zero */
+ if (fxt1_choose(vec, n_vect, reord, n_comp, n) != 0) {
+ fxt1_lloyd(vec, n_vect, reord, n_comp, n);
+ }
+
+ FX64_MOV32(hi, 6); /* alpha = "011" + lerp = 0 */
+ for (j = n_vect - 1; j >= 0; j--) {
+ /* add in alphas */
+ FX64_SHL(hi, 5);
+ FX64_OR32(hi, (GLuint)(vec[j][ACOMP] / 8.0F));
+ }
+ for (j = n_vect - 1; j >= 0; j--) {
+ for (i = 0; i < n_comp - 1; i++) {
+ /* add in colors */
+ FX64_SHL(hi, 5);
+ FX64_OR32(hi, (GLuint)(vec[j][i] / 8.0F));
+ }
+ }
+ ((Fx64 *)cc)[1] = hi;
+
+ lohi = lolo = 0;
+ /* right microtile */
+ for (k = N_TEXELS - 1; k >= N_TEXELS/2; k--) {
+ lohi <<= 2;
+ lohi |= fxt1_bestcol(vec, n_vect + 1, input[k], n_comp);
+ }
+ /* left microtile */
+ for (; k >= 0; k--) {
+ lolo <<= 2;
+ lolo |= fxt1_bestcol(vec, n_vect + 1, input[k], n_comp);
+ }
+ cc[1] = lohi;
+ cc[0] = lolo;
+}
+
+
+static void
+fxt1_quantize_ALPHA1 (GLuint *cc,
+ GLubyte input[N_TEXELS][MAX_COMP])
+{
+ const GLint n_vect = 3; /* highest vector number in each microtile */
+ const GLint n_comp = 4; /* 4 components: R, G, B, A */
+ GLfloat vec[1 + 1 + 1][MAX_COMP]; /* 1.5 extrema for each sub-block */
+ GLfloat b, iv[MAX_COMP]; /* interpolation vector */
+ GLint i, j, k;
+ Fx64 hi; /* high quadword */
+ GLuint lohi, lolo; /* low quadword: hi dword, lo dword */
+
+ GLint minSum;
+ GLint maxSum;
+ GLint minColL = 0, maxColL = 0;
+ GLint minColR = 0, maxColR = 0;
+ GLint sumL = 0, sumR = 0;
+ GLint nn_comp;
+ /* Our solution here is to find the darkest and brightest colors in
+ * the 4x4 tile and use those as the two representative colors.
+ * There are probably better algorithms to use (histogram-based).
+ */
+ nn_comp = n_comp;
+ while ((minColL == maxColL) && nn_comp) {
+ minSum = 2000; /* big enough */
+ maxSum = -1; /* small enough */
+ for (k = 0; k < N_TEXELS / 2; k++) {
+ GLint sum = 0;
+ for (i = 0; i < nn_comp; i++) {
+ sum += input[k][i];
+ }
+ if (minSum > sum) {
+ minSum = sum;
+ minColL = k;
+ }
+ if (maxSum < sum) {
+ maxSum = sum;
+ maxColL = k;
+ }
+ sumL += sum;
+ }
+
+ nn_comp--;
+ }
+
+ nn_comp = n_comp;
+ while ((minColR == maxColR) && nn_comp) {
+ minSum = 2000; /* big enough */
+ maxSum = -1; /* small enough */
+ for (k = N_TEXELS / 2; k < N_TEXELS; k++) {
+ GLint sum = 0;
+ for (i = 0; i < nn_comp; i++) {
+ sum += input[k][i];
+ }
+ if (minSum > sum) {
+ minSum = sum;
+ minColR = k;
+ }
+ if (maxSum < sum) {
+ maxSum = sum;
+ maxColR = k;
+ }
+ sumR += sum;
+ }
+
+ nn_comp--;
+ }
+
+ /* choose the common vector (yuck!) */
+ {
+ GLint j1, j2;
+ GLint v1 = 0, v2 = 0;
+ GLfloat err = 1e9; /* big enough */
+ GLfloat tv[2 * 2][MAX_COMP]; /* 2 extrema for each sub-block */
+ for (i = 0; i < n_comp; i++) {
+ tv[0][i] = input[minColL][i];
+ tv[1][i] = input[maxColL][i];
+ tv[2][i] = input[minColR][i];
+ tv[3][i] = input[maxColR][i];
+ }
+ for (j1 = 0; j1 < 2; j1++) {
+ for (j2 = 2; j2 < 4; j2++) {
+ GLfloat e = 0.0F;
+ for (i = 0; i < n_comp; i++) {
+ e += (tv[j1][i] - tv[j2][i]) * (tv[j1][i] - tv[j2][i]);
+ }
+ if (e < err) {
+ err = e;
+ v1 = j1;
+ v2 = j2;
+ }
+ }
+ }
+ for (i = 0; i < n_comp; i++) {
+ vec[0][i] = tv[1 - v1][i];
+ vec[1][i] = (tv[v1][i] * sumL + tv[v2][i] * sumR) / (sumL + sumR);
+ vec[2][i] = tv[5 - v2][i];
+ }
+ }
+
+ /* left microtile */
+ cc[0] = 0;
+ if (minColL != maxColL) {
+ /* compute interpolation vector */
+ MAKEIVEC(n_vect, n_comp, iv, b, vec[0], vec[1]);
+
+ /* add in texels */
+ lolo = 0;
+ for (k = N_TEXELS / 2 - 1; k >= 0; k--) {
+ GLint texel;
+ /* interpolate color */
+ CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
+ /* add in texel */
+ lolo <<= 2;
+ lolo |= texel;
+ }
+
+ cc[0] = lolo;
+ }
+
+ /* right microtile */
+ cc[1] = 0;
+ if (minColR != maxColR) {
+ /* compute interpolation vector */
+ MAKEIVEC(n_vect, n_comp, iv, b, vec[2], vec[1]);
+
+ /* add in texels */
+ lohi = 0;
+ for (k = N_TEXELS - 1; k >= N_TEXELS / 2; k--) {
+ GLint texel;
+ /* interpolate color */
+ CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
+ /* add in texel */
+ lohi <<= 2;
+ lohi |= texel;
+ }
+
+ cc[1] = lohi;
+ }
+
+ FX64_MOV32(hi, 7); /* alpha = "011" + lerp = 1 */
+ for (j = n_vect - 1; j >= 0; j--) {
+ /* add in alphas */
+ FX64_SHL(hi, 5);
+ FX64_OR32(hi, (GLuint)(vec[j][ACOMP] / 8.0F));
+ }
+ for (j = n_vect - 1; j >= 0; j--) {
+ for (i = 0; i < n_comp - 1; i++) {
+ /* add in colors */
+ FX64_SHL(hi, 5);
+ FX64_OR32(hi, (GLuint)(vec[j][i] / 8.0F));
+ }
+ }
+ ((Fx64 *)cc)[1] = hi;
+}
+
+
+static void
+fxt1_quantize_HI (GLuint *cc,
+ GLubyte input[N_TEXELS][MAX_COMP],
+ GLubyte reord[N_TEXELS][MAX_COMP], GLint n)
+{
+ const GLint n_vect = 6; /* highest vector number */
+ const GLint n_comp = 3; /* 3 components: R, G, B */
+ GLfloat b = 0.0F; /* phoudoin: silent compiler! */
+ GLfloat iv[MAX_COMP]; /* interpolation vector */
+ GLint i, k;
+ GLuint hihi; /* high quadword: hi dword */
+
+ GLint minSum = 2000; /* big enough */
+ GLint maxSum = -1; /* small enough */
+ GLint minCol = 0; /* phoudoin: silent compiler! */
+ GLint maxCol = 0; /* phoudoin: silent compiler! */
+
+ /* Our solution here is to find the darkest and brightest colors in
+ * the 8x4 tile and use those as the two representative colors.
+ * There are probably better algorithms to use (histogram-based).
+ */
+ for (k = 0; k < n; k++) {
+ GLint sum = 0;
+ for (i = 0; i < n_comp; i++) {
+ sum += reord[k][i];
+ }
+ if (minSum > sum) {
+ minSum = sum;
+ minCol = k;
+ }
+ if (maxSum < sum) {
+ maxSum = sum;
+ maxCol = k;
+ }
+ }
+
+ hihi = 0; /* cc-hi = "00" */
+ for (i = 0; i < n_comp; i++) {
+ /* add in colors */
+ hihi <<= 5;
+ hihi |= reord[maxCol][i] >> 3;
+ }
+ for (i = 0; i < n_comp; i++) {
+ /* add in colors */
+ hihi <<= 5;
+ hihi |= reord[minCol][i] >> 3;
+ }
+ cc[3] = hihi;
+ cc[0] = cc[1] = cc[2] = 0;
+
+ /* compute interpolation vector */
+ if (minCol != maxCol) {
+ MAKEIVEC(n_vect, n_comp, iv, b, reord[minCol], reord[maxCol]);
+ }
+
+ /* add in texels */
+ for (k = N_TEXELS - 1; k >= 0; k--) {
+ GLint t = k * 3;
+ GLuint *kk = (GLuint *)((char *)cc + t / 8);
+ GLint texel = n_vect + 1; /* transparent black */
+
+ if (!ISTBLACK(input[k])) {
+ if (minCol != maxCol) {
+ /* interpolate color */
+ CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
+ /* add in texel */
+ kk[0] |= texel << (t & 7);
+ }
+ } else {
+ /* add in texel */
+ kk[0] |= texel << (t & 7);
+ }
+ }
+}
+
+
+static void
+fxt1_quantize_MIXED1 (GLuint *cc,
+ GLubyte input[N_TEXELS][MAX_COMP])
+{
+ const GLint n_vect = 2; /* highest vector number in each microtile */
+ const GLint n_comp = 3; /* 3 components: R, G, B */
+ GLubyte vec[2 * 2][MAX_COMP]; /* 2 extrema for each sub-block */
+ GLfloat b, iv[MAX_COMP]; /* interpolation vector */
+ GLint i, j, k;
+ Fx64 hi; /* high quadword */
+ GLuint lohi, lolo; /* low quadword: hi dword, lo dword */
+
+ GLint minSum;
+ GLint maxSum;
+ GLint minColL = 0, maxColL = -1;
+ GLint minColR = 0, maxColR = -1;
+
+ /* Our solution here is to find the darkest and brightest colors in
+ * the 4x4 tile and use those as the two representative colors.
+ * There are probably better algorithms to use (histogram-based).
+ */
+ minSum = 2000; /* big enough */
+ maxSum = -1; /* small enough */
+ for (k = 0; k < N_TEXELS / 2; k++) {
+ if (!ISTBLACK(input[k])) {
+ GLint sum = 0;
+ for (i = 0; i < n_comp; i++) {
+ sum += input[k][i];
+ }
+ if (minSum > sum) {
+ minSum = sum;
+ minColL = k;
+ }
+ if (maxSum < sum) {
+ maxSum = sum;
+ maxColL = k;
+ }
+ }
+ }
+ minSum = 2000; /* big enough */
+ maxSum = -1; /* small enough */
+ for (; k < N_TEXELS; k++) {
+ if (!ISTBLACK(input[k])) {
+ GLint sum = 0;
+ for (i = 0; i < n_comp; i++) {
+ sum += input[k][i];
+ }
+ if (minSum > sum) {
+ minSum = sum;
+ minColR = k;
+ }
+ if (maxSum < sum) {
+ maxSum = sum;
+ maxColR = k;
+ }
+ }
+ }
+
+ /* left microtile */
+ if (maxColL == -1) {
+ /* all transparent black */
+ cc[0] = ~0u;
+ for (i = 0; i < n_comp; i++) {
+ vec[0][i] = 0;
+ vec[1][i] = 0;
+ }
+ } else {
+ cc[0] = 0;
+ for (i = 0; i < n_comp; i++) {
+ vec[0][i] = input[minColL][i];
+ vec[1][i] = input[maxColL][i];
+ }
+ if (minColL != maxColL) {
+ /* compute interpolation vector */
+ MAKEIVEC(n_vect, n_comp, iv, b, vec[0], vec[1]);
+
+ /* add in texels */
+ lolo = 0;
+ for (k = N_TEXELS / 2 - 1; k >= 0; k--) {
+ GLint texel = n_vect + 1; /* transparent black */
+ if (!ISTBLACK(input[k])) {
+ /* interpolate color */
+ CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
+ }
+ /* add in texel */
+ lolo <<= 2;
+ lolo |= texel;
+ }
+ cc[0] = lolo;
+ }
+ }
+
+ /* right microtile */
+ if (maxColR == -1) {
+ /* all transparent black */
+ cc[1] = ~0u;
+ for (i = 0; i < n_comp; i++) {
+ vec[2][i] = 0;
+ vec[3][i] = 0;
+ }
+ } else {
+ cc[1] = 0;
+ for (i = 0; i < n_comp; i++) {
+ vec[2][i] = input[minColR][i];
+ vec[3][i] = input[maxColR][i];
+ }
+ if (minColR != maxColR) {
+ /* compute interpolation vector */
+ MAKEIVEC(n_vect, n_comp, iv, b, vec[2], vec[3]);
+
+ /* add in texels */
+ lohi = 0;
+ for (k = N_TEXELS - 1; k >= N_TEXELS / 2; k--) {
+ GLint texel = n_vect + 1; /* transparent black */
+ if (!ISTBLACK(input[k])) {
+ /* interpolate color */
+ CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
+ }
+ /* add in texel */
+ lohi <<= 2;
+ lohi |= texel;
+ }
+ cc[1] = lohi;
+ }
+ }
+
+ FX64_MOV32(hi, 9 | (vec[3][GCOMP] & 4) | ((vec[1][GCOMP] >> 1) & 2)); /* chroma = "1" */
+ for (j = 2 * 2 - 1; j >= 0; j--) {
+ for (i = 0; i < n_comp; i++) {
+ /* add in colors */
+ FX64_SHL(hi, 5);
+ FX64_OR32(hi, vec[j][i] >> 3);
+ }
+ }
+ ((Fx64 *)cc)[1] = hi;
+}
+
+
+static void
+fxt1_quantize_MIXED0 (GLuint *cc,
+ GLubyte input[N_TEXELS][MAX_COMP])
+{
+ const GLint n_vect = 3; /* highest vector number in each microtile */
+ const GLint n_comp = 3; /* 3 components: R, G, B */
+ GLubyte vec[2 * 2][MAX_COMP]; /* 2 extrema for each sub-block */
+ GLfloat b, iv[MAX_COMP]; /* interpolation vector */
+ GLint i, j, k;
+ Fx64 hi; /* high quadword */
+ GLuint lohi, lolo; /* low quadword: hi dword, lo dword */
+
+ GLint minColL = 0, maxColL = 0;
+ GLint minColR = 0, maxColR = 0;
+#if 0
+ GLint minSum;
+ GLint maxSum;
+
+ /* Our solution here is to find the darkest and brightest colors in
+ * the 4x4 tile and use those as the two representative colors.
+ * There are probably better algorithms to use (histogram-based).
+ */
+ minSum = 2000; /* big enough */
+ maxSum = -1; /* small enough */
+ for (k = 0; k < N_TEXELS / 2; k++) {
+ GLint sum = 0;
+ for (i = 0; i < n_comp; i++) {
+ sum += input[k][i];
+ }
+ if (minSum > sum) {
+ minSum = sum;
+ minColL = k;
+ }
+ if (maxSum < sum) {
+ maxSum = sum;
+ maxColL = k;
+ }
+ }
+ minSum = 2000; /* big enough */
+ maxSum = -1; /* small enough */
+ for (; k < N_TEXELS; k++) {
+ GLint sum = 0;
+ for (i = 0; i < n_comp; i++) {
+ sum += input[k][i];
+ }
+ if (minSum > sum) {
+ minSum = sum;
+ minColR = k;
+ }
+ if (maxSum < sum) {
+ maxSum = sum;
+ maxColR = k;
+ }
+ }
+#else
+ GLint minVal;
+ GLint maxVal;
+ GLint maxVarL = fxt1_variance(NULL, input, n_comp, N_TEXELS / 2);
+ GLint maxVarR = fxt1_variance(NULL, &input[N_TEXELS / 2], n_comp, N_TEXELS / 2);
+
+ /* Scan the channel with max variance for lo & hi
+ * and use those as the two representative colors.
+ */
+ minVal = 2000; /* big enough */
+ maxVal = -1; /* small enough */
+ for (k = 0; k < N_TEXELS / 2; k++) {
+ GLint t = input[k][maxVarL];
+ if (minVal > t) {
+ minVal = t;
+ minColL = k;
+ }
+ if (maxVal < t) {
+ maxVal = t;
+ maxColL = k;
+ }
+ }
+ minVal = 2000; /* big enough */
+ maxVal = -1; /* small enough */
+ for (; k < N_TEXELS; k++) {
+ GLint t = input[k][maxVarR];
+ if (minVal > t) {
+ minVal = t;
+ minColR = k;
+ }
+ if (maxVal < t) {
+ maxVal = t;
+ maxColR = k;
+ }
+ }
+#endif
+
+ /* left microtile */
+ cc[0] = 0;
+ for (i = 0; i < n_comp; i++) {
+ vec[0][i] = input[minColL][i];
+ vec[1][i] = input[maxColL][i];
+ }
+ if (minColL != maxColL) {
+ /* compute interpolation vector */
+ MAKEIVEC(n_vect, n_comp, iv, b, vec[0], vec[1]);
+
+ /* add in texels */
+ lolo = 0;
+ for (k = N_TEXELS / 2 - 1; k >= 0; k--) {
+ GLint texel;
+ /* interpolate color */
+ CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
+ /* add in texel */
+ lolo <<= 2;
+ lolo |= texel;
+ }
+
+ /* funky encoding for LSB of green */
+ if ((GLint)((lolo >> 1) & 1) != (((vec[1][GCOMP] ^ vec[0][GCOMP]) >> 2) & 1)) {
+ for (i = 0; i < n_comp; i++) {
+ vec[1][i] = input[minColL][i];
+ vec[0][i] = input[maxColL][i];
+ }
+ lolo = ~lolo;
+ }
+
+ cc[0] = lolo;
+ }
+
+ /* right microtile */
+ cc[1] = 0;
+ for (i = 0; i < n_comp; i++) {
+ vec[2][i] = input[minColR][i];
+ vec[3][i] = input[maxColR][i];
+ }
+ if (minColR != maxColR) {
+ /* compute interpolation vector */
+ MAKEIVEC(n_vect, n_comp, iv, b, vec[2], vec[3]);
+
+ /* add in texels */
+ lohi = 0;
+ for (k = N_TEXELS - 1; k >= N_TEXELS / 2; k--) {
+ GLint texel;
+ /* interpolate color */
+ CALCCDOT(texel, n_vect, n_comp, iv, b, input[k]);
+ /* add in texel */
+ lohi <<= 2;
+ lohi |= texel;
+ }
+
+ /* funky encoding for LSB of green */
+ if ((GLint)((lohi >> 1) & 1) != (((vec[3][GCOMP] ^ vec[2][GCOMP]) >> 2) & 1)) {
+ for (i = 0; i < n_comp; i++) {
+ vec[3][i] = input[minColR][i];
+ vec[2][i] = input[maxColR][i];
+ }
+ lohi = ~lohi;
+ }
+
+ cc[1] = lohi;
+ }
+
+ FX64_MOV32(hi, 8 | (vec[3][GCOMP] & 4) | ((vec[1][GCOMP] >> 1) & 2)); /* chroma = "1" */
+ for (j = 2 * 2 - 1; j >= 0; j--) {
+ for (i = 0; i < n_comp; i++) {
+ /* add in colors */
+ FX64_SHL(hi, 5);
+ FX64_OR32(hi, vec[j][i] >> 3);
+ }
+ }
+ ((Fx64 *)cc)[1] = hi;
+}
+
+
+static void
+fxt1_quantize (GLuint *cc, const GLubyte *lines[], GLint comps)
+{
+ GLint trualpha;
+ GLubyte reord[N_TEXELS][MAX_COMP];
+
+ GLubyte input[N_TEXELS][MAX_COMP];
+ GLint i, k, l;
+
+ if (comps == 3) {
+ /* make the whole block opaque */
+ memset(input, -1, sizeof(input));
+ }
+
+ /* 8 texels each line */
+ for (l = 0; l < 4; l++) {
+ for (k = 0; k < 4; k++) {
+ for (i = 0; i < comps; i++) {
+ input[k + l * 4][i] = *lines[l]++;
+ }
+ }
+ for (; k < 8; k++) {
+ for (i = 0; i < comps; i++) {
+ input[k + l * 4 + 12][i] = *lines[l]++;
+ }
+ }
+ }
+
+ /* block layout:
+ * 00, 01, 02, 03, 08, 09, 0a, 0b
+ * 10, 11, 12, 13, 18, 19, 1a, 1b
+ * 04, 05, 06, 07, 0c, 0d, 0e, 0f
+ * 14, 15, 16, 17, 1c, 1d, 1e, 1f
+ */
+
+ /* [dBorca]
+ * stupidity flows forth from this
+ */
+ l = N_TEXELS;
+ trualpha = 0;
+ if (comps == 4) {
+ /* skip all transparent black texels */
+ l = 0;
+ for (k = 0; k < N_TEXELS; k++) {
+ /* test all components against 0 */
+ if (!ISTBLACK(input[k])) {
+ /* texel is not transparent black */
+ COPY_4UBV(reord[l], input[k]);
+ if (reord[l][ACOMP] < (255 - ALPHA_TS)) {
+ /* non-opaque texel */
+ trualpha = !0;
+ }
+ l++;
+ }
+ }
+ }
+
+#if 0
+ if (trualpha) {
+ fxt1_quantize_ALPHA0(cc, input, reord, l);
+ } else if (l == 0) {
+ cc[0] = cc[1] = cc[2] = -1;
+ cc[3] = 0;
+ } else if (l < N_TEXELS) {
+ fxt1_quantize_HI(cc, input, reord, l);
+ } else {
+ fxt1_quantize_CHROMA(cc, input);
+ }
+ (void)fxt1_quantize_ALPHA1;
+ (void)fxt1_quantize_MIXED1;
+ (void)fxt1_quantize_MIXED0;
+#else
+ if (trualpha) {
+ fxt1_quantize_ALPHA1(cc, input);
+ } else if (l == 0) {
+ cc[0] = cc[1] = cc[2] = ~0u;
+ cc[3] = 0;
+ } else if (l < N_TEXELS) {
+ fxt1_quantize_MIXED1(cc, input);
+ } else {
+ fxt1_quantize_MIXED0(cc, input);
+ }
+ (void)fxt1_quantize_ALPHA0;
+ (void)fxt1_quantize_HI;
+ (void)fxt1_quantize_CHROMA;
+#endif
+}
+
+
+static void
+fxt1_encode (GLuint width, GLuint height, GLint comps,
+ const void *source, GLint srcRowStride,
+ void *dest, GLint destRowStride)
+{
+ GLuint x, y;
+ const GLubyte *data;
+ GLuint *encoded = (GLuint *)dest;
+ void *newSource = NULL;
+
+ assert(comps == 3 || comps == 4);
+
+ /* Replicate image if width is not M8 or height is not M4 */
+ if ((width & 7) | (height & 3)) {
+ GLint newWidth = (width + 7) & ~7;
+ GLint newHeight = (height + 3) & ~3;
+ newSource = malloc(comps * newWidth * newHeight * sizeof(GLchan));
+ if (!newSource) {
+ GET_CURRENT_CONTEXT(ctx);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture compression");
+ goto cleanUp;
+ }
+ _mesa_upscale_teximage2d(width, height, newWidth, newHeight,
+ comps, (const GLchan *) source,
+ srcRowStride, (GLchan *) newSource);
+ source = newSource;
+ width = newWidth;
+ height = newHeight;
+ srcRowStride = comps * newWidth;
+ }
+
+ /* convert from 16/32-bit channels to GLubyte if needed */
+ if (CHAN_TYPE != GL_UNSIGNED_BYTE) {
+ const GLuint n = width * height * comps;
+ const GLchan *src = (const GLchan *) source;
+ GLubyte *dest = (GLubyte *) malloc(n * sizeof(GLubyte));
+ GLuint i;
+ if (!dest) {
+ GET_CURRENT_CONTEXT(ctx);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture compression");
+ goto cleanUp;
+ }
+ for (i = 0; i < n; i++) {
+ dest[i] = CHAN_TO_UBYTE(src[i]);
+ }
+ if (newSource != NULL) {
+ free(newSource);
+ }
+ newSource = dest; /* we'll free this buffer before returning */
+ source = dest; /* the new, GLubyte incoming image */
+ }
+
+ data = (const GLubyte *) source;
+ destRowStride = (destRowStride - width * 2) / 4;
+ for (y = 0; y < height; y += 4) {
+ GLuint offs = 0 + (y + 0) * srcRowStride;
+ for (x = 0; x < width; x += 8) {
+ const GLubyte *lines[4];
+ lines[0] = &data[offs];
+ lines[1] = lines[0] + srcRowStride;
+ lines[2] = lines[1] + srcRowStride;
+ lines[3] = lines[2] + srcRowStride;
+ offs += 8 * comps;
+ fxt1_quantize(encoded, lines, comps);
+ /* 128 bits per 8x4 block */
+ encoded += 4;
+ }
+ encoded += destRowStride;
+ }
+
+ cleanUp:
+ if (newSource != NULL) {
+ free(newSource);
+ }
+}
+
+
+/***************************************************************************\
+ * FXT1 decoder
+ *
+ * The decoder is based on GL_3DFX_texture_compression_FXT1
+ * specification and serves as a concept for the encoder.
+\***************************************************************************/
+
+
+/* lookup table for scaling 5 bit colors up to 8 bits */
+static const GLubyte _rgb_scale_5[] = {
+ 0, 8, 16, 25, 33, 41, 49, 58,
+ 66, 74, 82, 90, 99, 107, 115, 123,
+ 132, 140, 148, 156, 165, 173, 181, 189,
+ 197, 206, 214, 222, 230, 239, 247, 255
+};
+
+/* lookup table for scaling 6 bit colors up to 8 bits */
+static const GLubyte _rgb_scale_6[] = {
+ 0, 4, 8, 12, 16, 20, 24, 28,
+ 32, 36, 40, 45, 49, 53, 57, 61,
+ 65, 69, 73, 77, 81, 85, 89, 93,
+ 97, 101, 105, 109, 113, 117, 121, 125,
+ 130, 134, 138, 142, 146, 150, 154, 158,
+ 162, 166, 170, 174, 178, 182, 186, 190,
+ 194, 198, 202, 206, 210, 215, 219, 223,
+ 227, 231, 235, 239, 243, 247, 251, 255
+};
+
+
+#define CC_SEL(cc, which) (((GLuint *)(cc))[(which) / 32] >> ((which) & 31))
+#define UP5(c) _rgb_scale_5[(c) & 31]
+#define UP6(c, b) _rgb_scale_6[(((c) & 31) << 1) | ((b) & 1)]
+#define LERP(n, t, c0, c1) (((n) - (t)) * (c0) + (t) * (c1) + (n) / 2) / (n)
+
+
+static void
+fxt1_decode_1HI (const GLubyte *code, GLint t, GLchan *rgba)
+{
+ const GLuint *cc;
+
+ t *= 3;
+ cc = (const GLuint *)(code + t / 8);
+ t = (cc[0] >> (t & 7)) & 7;
+
+ if (t == 7) {
+ rgba[RCOMP] = rgba[GCOMP] = rgba[BCOMP] = rgba[ACOMP] = 0;
+ } else {
+ GLubyte r, g, b;
+ cc = (const GLuint *)(code + 12);
+ if (t == 0) {
+ b = UP5(CC_SEL(cc, 0));
+ g = UP5(CC_SEL(cc, 5));
+ r = UP5(CC_SEL(cc, 10));
+ } else if (t == 6) {
+ b = UP5(CC_SEL(cc, 15));
+ g = UP5(CC_SEL(cc, 20));
+ r = UP5(CC_SEL(cc, 25));
+ } else {
+ b = LERP(6, t, UP5(CC_SEL(cc, 0)), UP5(CC_SEL(cc, 15)));
+ g = LERP(6, t, UP5(CC_SEL(cc, 5)), UP5(CC_SEL(cc, 20)));
+ r = LERP(6, t, UP5(CC_SEL(cc, 10)), UP5(CC_SEL(cc, 25)));
+ }
+ rgba[RCOMP] = UBYTE_TO_CHAN(r);
+ rgba[GCOMP] = UBYTE_TO_CHAN(g);
+ rgba[BCOMP] = UBYTE_TO_CHAN(b);
+ rgba[ACOMP] = CHAN_MAX;
+ }
+}
+
+
+static void
+fxt1_decode_1CHROMA (const GLubyte *code, GLint t, GLchan *rgba)
+{
+ const GLuint *cc;
+ GLuint kk;
+
+ cc = (const GLuint *)code;
+ if (t & 16) {
+ cc++;
+ t &= 15;
+ }
+ t = (cc[0] >> (t * 2)) & 3;
+
+ t *= 15;
+ cc = (const GLuint *)(code + 8 + t / 8);
+ kk = cc[0] >> (t & 7);
+ rgba[BCOMP] = UBYTE_TO_CHAN( UP5(kk) );
+ rgba[GCOMP] = UBYTE_TO_CHAN( UP5(kk >> 5) );
+ rgba[RCOMP] = UBYTE_TO_CHAN( UP5(kk >> 10) );
+ rgba[ACOMP] = CHAN_MAX;
+}
+
+
+static void
+fxt1_decode_1MIXED (const GLubyte *code, GLint t, GLchan *rgba)
+{
+ const GLuint *cc;
+ GLuint col[2][3];
+ GLint glsb, selb;
+
+ cc = (const GLuint *)code;
+ if (t & 16) {
+ t &= 15;
+ t = (cc[1] >> (t * 2)) & 3;
+ /* col 2 */
+ col[0][BCOMP] = (*(const GLuint *)(code + 11)) >> 6;
+ col[0][GCOMP] = CC_SEL(cc, 99);
+ col[0][RCOMP] = CC_SEL(cc, 104);
+ /* col 3 */
+ col[1][BCOMP] = CC_SEL(cc, 109);
+ col[1][GCOMP] = CC_SEL(cc, 114);
+ col[1][RCOMP] = CC_SEL(cc, 119);
+ glsb = CC_SEL(cc, 126);
+ selb = CC_SEL(cc, 33);
+ } else {
+ t = (cc[0] >> (t * 2)) & 3;
+ /* col 0 */
+ col[0][BCOMP] = CC_SEL(cc, 64);
+ col[0][GCOMP] = CC_SEL(cc, 69);
+ col[0][RCOMP] = CC_SEL(cc, 74);
+ /* col 1 */
+ col[1][BCOMP] = CC_SEL(cc, 79);
+ col[1][GCOMP] = CC_SEL(cc, 84);
+ col[1][RCOMP] = CC_SEL(cc, 89);
+ glsb = CC_SEL(cc, 125);
+ selb = CC_SEL(cc, 1);
+ }
+
+ if (CC_SEL(cc, 124) & 1) {
+ /* alpha[0] == 1 */
+
+ if (t == 3) {
+ /* zero */
+ rgba[RCOMP] = rgba[BCOMP] = rgba[GCOMP] = rgba[ACOMP] = 0;
+ } else {
+ GLubyte r, g, b;
+ if (t == 0) {
+ b = UP5(col[0][BCOMP]);
+ g = UP5(col[0][GCOMP]);
+ r = UP5(col[0][RCOMP]);
+ } else if (t == 2) {
+ b = UP5(col[1][BCOMP]);
+ g = UP6(col[1][GCOMP], glsb);
+ r = UP5(col[1][RCOMP]);
+ } else {
+ b = (UP5(col[0][BCOMP]) + UP5(col[1][BCOMP])) / 2;
+ g = (UP5(col[0][GCOMP]) + UP6(col[1][GCOMP], glsb)) / 2;
+ r = (UP5(col[0][RCOMP]) + UP5(col[1][RCOMP])) / 2;
+ }
+ rgba[RCOMP] = UBYTE_TO_CHAN(r);
+ rgba[GCOMP] = UBYTE_TO_CHAN(g);
+ rgba[BCOMP] = UBYTE_TO_CHAN(b);
+ rgba[ACOMP] = CHAN_MAX;
+ }
+ } else {
+ /* alpha[0] == 0 */
+ GLubyte r, g, b;
+ if (t == 0) {
+ b = UP5(col[0][BCOMP]);
+ g = UP6(col[0][GCOMP], glsb ^ selb);
+ r = UP5(col[0][RCOMP]);
+ } else if (t == 3) {
+ b = UP5(col[1][BCOMP]);
+ g = UP6(col[1][GCOMP], glsb);
+ r = UP5(col[1][RCOMP]);
+ } else {
+ b = LERP(3, t, UP5(col[0][BCOMP]), UP5(col[1][BCOMP]));
+ g = LERP(3, t, UP6(col[0][GCOMP], glsb ^ selb),
+ UP6(col[1][GCOMP], glsb));
+ r = LERP(3, t, UP5(col[0][RCOMP]), UP5(col[1][RCOMP]));
+ }
+ rgba[RCOMP] = UBYTE_TO_CHAN(r);
+ rgba[GCOMP] = UBYTE_TO_CHAN(g);
+ rgba[BCOMP] = UBYTE_TO_CHAN(b);
+ rgba[ACOMP] = CHAN_MAX;
+ }
+}
+
+
+static void
+fxt1_decode_1ALPHA (const GLubyte *code, GLint t, GLchan *rgba)
+{
+ const GLuint *cc;
+ GLubyte r, g, b, a;
+
+ cc = (const GLuint *)code;
+ if (CC_SEL(cc, 124) & 1) {
+ /* lerp == 1 */
+ GLuint col0[4];
+
+ if (t & 16) {
+ t &= 15;
+ t = (cc[1] >> (t * 2)) & 3;
+ /* col 2 */
+ col0[BCOMP] = (*(const GLuint *)(code + 11)) >> 6;
+ col0[GCOMP] = CC_SEL(cc, 99);
+ col0[RCOMP] = CC_SEL(cc, 104);
+ col0[ACOMP] = CC_SEL(cc, 119);
+ } else {
+ t = (cc[0] >> (t * 2)) & 3;
+ /* col 0 */
+ col0[BCOMP] = CC_SEL(cc, 64);
+ col0[GCOMP] = CC_SEL(cc, 69);
+ col0[RCOMP] = CC_SEL(cc, 74);
+ col0[ACOMP] = CC_SEL(cc, 109);
+ }
+
+ if (t == 0) {
+ b = UP5(col0[BCOMP]);
+ g = UP5(col0[GCOMP]);
+ r = UP5(col0[RCOMP]);
+ a = UP5(col0[ACOMP]);
+ } else if (t == 3) {
+ b = UP5(CC_SEL(cc, 79));
+ g = UP5(CC_SEL(cc, 84));
+ r = UP5(CC_SEL(cc, 89));
+ a = UP5(CC_SEL(cc, 114));
+ } else {
+ b = LERP(3, t, UP5(col0[BCOMP]), UP5(CC_SEL(cc, 79)));
+ g = LERP(3, t, UP5(col0[GCOMP]), UP5(CC_SEL(cc, 84)));
+ r = LERP(3, t, UP5(col0[RCOMP]), UP5(CC_SEL(cc, 89)));
+ a = LERP(3, t, UP5(col0[ACOMP]), UP5(CC_SEL(cc, 114)));
+ }
+ } else {
+ /* lerp == 0 */
+
+ if (t & 16) {
+ cc++;
+ t &= 15;
+ }
+ t = (cc[0] >> (t * 2)) & 3;
+
+ if (t == 3) {
+ /* zero */
+ r = g = b = a = 0;
+ } else {
+ GLuint kk;
+ cc = (const GLuint *)code;
+ a = UP5(cc[3] >> (t * 5 + 13));
+ t *= 15;
+ cc = (const GLuint *)(code + 8 + t / 8);
+ kk = cc[0] >> (t & 7);
+ b = UP5(kk);
+ g = UP5(kk >> 5);
+ r = UP5(kk >> 10);
+ }
+ }
+ rgba[RCOMP] = UBYTE_TO_CHAN(r);
+ rgba[GCOMP] = UBYTE_TO_CHAN(g);
+ rgba[BCOMP] = UBYTE_TO_CHAN(b);
+ rgba[ACOMP] = UBYTE_TO_CHAN(a);
+}
+
+
+void
+fxt1_decode_1 (const void *texture, GLint stride, /* in pixels */
+ GLint i, GLint j, GLchan *rgba)
+{
+ static void (*decode_1[]) (const GLubyte *, GLint, GLchan *) = {
+ fxt1_decode_1HI, /* cc-high = "00?" */
+ fxt1_decode_1HI, /* cc-high = "00?" */
+ fxt1_decode_1CHROMA, /* cc-chroma = "010" */
+ fxt1_decode_1ALPHA, /* alpha = "011" */
+ fxt1_decode_1MIXED, /* mixed = "1??" */
+ fxt1_decode_1MIXED, /* mixed = "1??" */
+ fxt1_decode_1MIXED, /* mixed = "1??" */
+ fxt1_decode_1MIXED /* mixed = "1??" */
+ };
+
+ const GLubyte *code = (const GLubyte *)texture +
+ ((j / 4) * (stride / 8) + (i / 8)) * 16;
+ GLint mode = CC_SEL(code, 125);
+ GLint t = i & 7;
+
+ if (t & 4) {
+ t += 12;
+ }
+ t += (j & 3) * 4;
+
+ decode_1[mode](code, t, rgba);
+}
+
+
+#endif /* FEATURE_texture_fxt1 */
diff --git a/mesalib/src/mesa/main/texcompress_fxt1.h b/mesalib/src/mesa/main/texcompress_fxt1.h
index a6beb07e5..bd84082e9 100644
--- a/mesalib/src/mesa/main/texcompress_fxt1.h
+++ b/mesalib/src/mesa/main/texcompress_fxt1.h
@@ -1,62 +1,62 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2008 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 TEXCOMPRESS_FXT1_H
-#define TEXCOMPRESS_FXT1_H
-
-#include "glheader.h"
-#include "mfeatures.h"
-#include "texstore.h"
-
-struct gl_texture_image;
-
-#if FEATURE_texture_fxt1
-
-extern GLboolean
-_mesa_texstore_rgb_fxt1(TEXSTORE_PARAMS);
-
-extern GLboolean
-_mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS);
-
-extern void
-_mesa_fetch_texel_2d_f_rgba_fxt1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_rgb_fxt1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-#else /* FEATURE_texture_fxt1 */
-
-/* these are used only in texstore_funcs[] */
-#define _mesa_texstore_rgb_fxt1 NULL
-#define _mesa_texstore_rgba_fxt1 NULL
-
-/* these are used only in texfetch_funcs[] */
-#define _mesa_fetch_texel_2d_f_rgba_fxt1 NULL
-#define _mesa_fetch_texel_2d_f_rgb_fxt1 NULL
-
-#endif /* FEATURE_texture_fxt1 */
-
-#endif /* TEXCOMPRESS_FXT1_H */
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2008 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 TEXCOMPRESS_FXT1_H
+#define TEXCOMPRESS_FXT1_H
+
+#include "glheader.h"
+#include "mfeatures.h"
+#include "texstore.h"
+
+struct swrast_texture_image;
+
+#if FEATURE_texture_fxt1
+
+extern GLboolean
+_mesa_texstore_rgb_fxt1(TEXSTORE_PARAMS);
+
+extern GLboolean
+_mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS);
+
+extern void
+_mesa_fetch_texel_2d_f_rgba_fxt1(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_rgb_fxt1(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+#else /* FEATURE_texture_fxt1 */
+
+/* these are used only in texstore_funcs[] */
+#define _mesa_texstore_rgb_fxt1 NULL
+#define _mesa_texstore_rgba_fxt1 NULL
+
+/* these are used only in texfetch_funcs[] */
+#define _mesa_fetch_texel_2d_f_rgba_fxt1 NULL
+#define _mesa_fetch_texel_2d_f_rgb_fxt1 NULL
+
+#endif /* FEATURE_texture_fxt1 */
+
+#endif /* TEXCOMPRESS_FXT1_H */
diff --git a/mesalib/src/mesa/main/texcompress_rgtc.c b/mesalib/src/mesa/main/texcompress_rgtc.c
index d75546a92..7af3d6762 100644
--- a/mesalib/src/mesa/main/texcompress_rgtc.c
+++ b/mesalib/src/mesa/main/texcompress_rgtc.c
@@ -1,460 +1,462 @@
-/*
- * Copyright (C) 2011 Red Hat Inc.
- *
- * block compression parts are:
- * Copyright (C) 2004 Roland Scheidegger 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 (including the next
- * paragraph) 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 OR COPYRIGHT HOLDERS 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.
- *
- * Author:
- * Dave Airlie
- */
-
-/**
- * \file texcompress_rgtc.c
- * GL_EXT_texture_compression_rgtc support.
- */
-
-
-#include "glheader.h"
-#include "imports.h"
-#include "colormac.h"
-#include "image.h"
-#include "macros.h"
-#include "mfeatures.h"
-#include "mipmap.h"
-#include "texcompress.h"
-#include "texcompress_rgtc.h"
-#include "texstore.h"
-
-#define RGTC_DEBUG 0
-
-static void unsigned_encode_rgtc_chan(GLubyte *blkaddr, GLubyte srccolors[4][4],
- GLint numxpixels, GLint numypixels);
-static void signed_encode_rgtc_chan(GLbyte *blkaddr, GLbyte srccolors[4][4],
- GLint numxpixels, GLint numypixels);
-
-static void unsigned_fetch_texel_rgtc(unsigned srcRowStride, const GLubyte *pixdata,
- unsigned i, unsigned j, GLubyte *value, unsigned comps);
-
-static void signed_fetch_texel_rgtc(unsigned srcRowStride, const GLbyte *pixdata,
- unsigned i, unsigned j, GLbyte *value, unsigned comps);
-
-static void extractsrc_u( GLubyte srcpixels[4][4], const GLchan *srcaddr,
- GLint srcRowStride, GLint numxpixels, GLint numypixels, GLint comps)
-{
- GLubyte i, j;
- const GLchan *curaddr;
- for (j = 0; j < numypixels; j++) {
- curaddr = srcaddr + j * srcRowStride * comps;
- for (i = 0; i < numxpixels; i++) {
- srcpixels[j][i] = *curaddr / (CHAN_MAX / 255);
- curaddr += comps;
- }
- }
-}
-
-static void extractsrc_s( GLbyte srcpixels[4][4], const GLfloat *srcaddr,
- GLint srcRowStride, GLint numxpixels, GLint numypixels, GLint comps)
-{
- GLubyte i, j;
- const GLfloat *curaddr;
- for (j = 0; j < numypixels; j++) {
- curaddr = srcaddr + j * srcRowStride * comps;
- for (i = 0; i < numxpixels; i++) {
- srcpixels[j][i] = FLOAT_TO_BYTE_TEX(*curaddr);
- curaddr += comps;
- }
- }
-}
-
-
-GLboolean
-_mesa_texstore_red_rgtc1(TEXSTORE_PARAMS)
-{
- GLubyte *dst;
- const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
- const GLchan *tempImage = NULL;
- int i, j;
- int numxpixels, numypixels;
- const GLchan *srcaddr;
- GLubyte srcpixels[4][4];
- GLubyte *blkaddr;
- GLint dstRowDiff;
- ASSERT(dstFormat == MESA_FORMAT_RED_RGTC1 ||
- dstFormat == MESA_FORMAT_L_LATC1);
- ASSERT(dstXoffset % 4 == 0);
- ASSERT(dstYoffset % 4 == 0);
- ASSERT(dstZoffset % 4 == 0);
- (void) dstZoffset;
- (void) dstImageOffsets;
-
-
- tempImage = _mesa_make_temp_chan_image(ctx, dims,
- baseInternalFormat,
- _mesa_get_format_base_format(dstFormat),
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking);
- if (!tempImage)
- return GL_FALSE; /* out of memory */
-
- dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat,
- texWidth, (GLubyte *) dstAddr);
-
- blkaddr = dst;
- dstRowDiff = dstRowStride >= (srcWidth * 2) ? dstRowStride - (((srcWidth + 3) & ~3) * 2) : 0;
- for (j = 0; j < srcHeight; j+=4) {
- if (srcHeight > j + 3) numypixels = 4;
- else numypixels = srcHeight - j;
- srcaddr = tempImage + j * srcWidth;
- for (i = 0; i < srcWidth; i += 4) {
- if (srcWidth > i + 3) numxpixels = 4;
- else numxpixels = srcWidth - i;
- extractsrc_u(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 1);
- unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
- srcaddr += numxpixels;
- blkaddr += 8;
- }
- blkaddr += dstRowDiff;
- }
- if (tempImage)
- free((void *) tempImage);
-
- return GL_TRUE;
-}
-
-GLboolean
-_mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS)
-{
- GLbyte *dst;
- const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
- const GLfloat *tempImage = NULL;
- int i, j;
- int numxpixels, numypixels;
- const GLfloat *srcaddr;
- GLbyte srcpixels[4][4];
- GLbyte *blkaddr;
- GLint dstRowDiff;
- ASSERT(dstFormat == MESA_FORMAT_SIGNED_RED_RGTC1 ||
- dstFormat == MESA_FORMAT_SIGNED_L_LATC1);
- ASSERT(dstXoffset % 4 == 0);
- ASSERT(dstYoffset % 4 == 0);
- ASSERT(dstZoffset % 4 == 0);
- (void) dstZoffset;
- (void) dstImageOffsets;
-
- tempImage = _mesa_make_temp_float_image(ctx, dims,
- baseInternalFormat,
- _mesa_get_format_base_format(dstFormat),
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking, 0x0);
- if (!tempImage)
- return GL_FALSE; /* out of memory */
-
- dst = (GLbyte *)_mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat,
- texWidth, (GLubyte *) dstAddr);
-
- blkaddr = dst;
- dstRowDiff = dstRowStride >= (srcWidth * 2) ? dstRowStride - (((srcWidth + 3) & ~3) * 2) : 0;
- for (j = 0; j < srcHeight; j+=4) {
- if (srcHeight > j + 3) numypixels = 4;
- else numypixels = srcHeight - j;
- srcaddr = tempImage + j * srcWidth;
- for (i = 0; i < srcWidth; i += 4) {
- if (srcWidth > i + 3) numxpixels = 4;
- else numxpixels = srcWidth - i;
- extractsrc_s(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 1);
- signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
- srcaddr += numxpixels;
- blkaddr += 8;
- }
- blkaddr += dstRowDiff;
- }
- if (tempImage)
- free((void *) tempImage);
-
- return GL_TRUE;
-}
-
-GLboolean
-_mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS)
-{
- GLubyte *dst;
- const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
- const GLchan *tempImage = NULL;
- int i, j;
- int numxpixels, numypixels;
- const GLchan *srcaddr;
- GLubyte srcpixels[4][4];
- GLubyte *blkaddr;
- GLint dstRowDiff;
-
- ASSERT(dstFormat == MESA_FORMAT_RG_RGTC2 ||
- dstFormat == MESA_FORMAT_LA_LATC2);
- ASSERT(dstXoffset % 4 == 0);
- ASSERT(dstYoffset % 4 == 0);
- ASSERT(dstZoffset % 4 == 0);
- (void) dstZoffset;
- (void) dstImageOffsets;
-
- tempImage = _mesa_make_temp_chan_image(ctx, dims,
- baseInternalFormat,
- _mesa_get_format_base_format(dstFormat),
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking);
- if (!tempImage)
- return GL_FALSE; /* out of memory */
-
- dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat,
- texWidth, (GLubyte *) dstAddr);
-
- blkaddr = dst;
- dstRowDiff = dstRowStride >= (srcWidth * 4) ? dstRowStride - (((srcWidth + 3) & ~3) * 4) : 0;
- for (j = 0; j < srcHeight; j+=4) {
- if (srcHeight > j + 3) numypixels = 4;
- else numypixels = srcHeight - j;
- srcaddr = tempImage + j * srcWidth * 2;
- for (i = 0; i < srcWidth; i += 4) {
- if (srcWidth > i + 3) numxpixels = 4;
- else numxpixels = srcWidth - i;
- extractsrc_u(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 2);
- unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
-
- blkaddr += 8;
- extractsrc_u(srcpixels, (GLchan *)srcaddr + 1, srcWidth, numxpixels, numypixels, 2);
- unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
-
- blkaddr += 8;
-
- srcaddr += numxpixels * 2;
- }
- blkaddr += dstRowDiff;
- }
- if (tempImage)
- free((void *) tempImage);
-
- return GL_TRUE;
-}
-
-GLboolean
-_mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS)
-{
- GLbyte *dst;
- const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
- const GLfloat *tempImage = NULL;
- int i, j;
- int numxpixels, numypixels;
- const GLfloat *srcaddr;
- GLbyte srcpixels[4][4];
- GLbyte *blkaddr;
- GLint dstRowDiff;
-
- ASSERT(dstFormat == MESA_FORMAT_SIGNED_RG_RGTC2 ||
- dstFormat == MESA_FORMAT_SIGNED_LA_LATC2);
- ASSERT(dstXoffset % 4 == 0);
- ASSERT(dstYoffset % 4 == 0);
- ASSERT(dstZoffset % 4 == 0);
- (void) dstZoffset;
- (void) dstImageOffsets;
-
- tempImage = _mesa_make_temp_float_image(ctx, dims,
- baseInternalFormat,
- _mesa_get_format_base_format(dstFormat),
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking, 0x0);
- if (!tempImage)
- return GL_FALSE; /* out of memory */
-
- dst = (GLbyte *)_mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat,
- texWidth, (GLubyte *) dstAddr);
-
- blkaddr = dst;
- dstRowDiff = dstRowStride >= (srcWidth * 4) ? dstRowStride - (((srcWidth + 3) & ~3) * 4) : 0;
- for (j = 0; j < srcHeight; j += 4) {
- if (srcHeight > j + 3) numypixels = 4;
- else numypixels = srcHeight - j;
- srcaddr = tempImage + j * srcWidth * 2;
- for (i = 0; i < srcWidth; i += 4) {
- if (srcWidth > i + 3) numxpixels = 4;
- else numxpixels = srcWidth - i;
-
- extractsrc_s(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 2);
- signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
- blkaddr += 8;
-
- extractsrc_s(srcpixels, srcaddr + 1, srcWidth, numxpixels, numypixels, 2);
- signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
- blkaddr += 8;
-
- srcaddr += numxpixels * 2;
-
- }
- blkaddr += dstRowDiff;
- }
- if (tempImage)
- free((void *) tempImage);
-
- return GL_TRUE;
-}
-
-void
-_mesa_fetch_texel_2d_f_red_rgtc1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLubyte red;
- unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data),
- i, j, &red, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT(red);
- texel[GCOMP] = 0.0;
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-void
-_mesa_fetch_texel_2d_f_signed_red_rgtc1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLbyte red;
- signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data),
- i, j, &red, 1);
- texel[RCOMP] = BYTE_TO_FLOAT_TEX(red);
- texel[GCOMP] = 0.0;
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-void
-_mesa_fetch_texel_2d_f_rg_rgtc2(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLubyte red, green;
- unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data),
- i, j, &red, 2);
- unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data) + 8,
- i, j, &green, 2);
- texel[RCOMP] = UBYTE_TO_FLOAT(red);
- texel[GCOMP] = UBYTE_TO_FLOAT(green);
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-void
-_mesa_fetch_texel_2d_f_signed_rg_rgtc2(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLbyte red, green;
- signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data),
- i, j, &red, 2);
- signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data) + 8,
- i, j, &green, 2);
- texel[RCOMP] = BYTE_TO_FLOAT_TEX(red);
- texel[GCOMP] = BYTE_TO_FLOAT_TEX(green);
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-void
-_mesa_fetch_texel_2d_f_l_latc1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLubyte red;
- unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data),
- i, j, &red, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = UBYTE_TO_FLOAT(red);
- texel[ACOMP] = 1.0;
-}
-
-void
-_mesa_fetch_texel_2d_f_signed_l_latc1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLbyte red;
- signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data),
- i, j, &red, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = BYTE_TO_FLOAT_TEX(red);
- texel[ACOMP] = 1.0;
-}
-
-void
-_mesa_fetch_texel_2d_f_la_latc2(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLubyte red, green;
- unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data),
- i, j, &red, 2);
- unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data) + 8,
- i, j, &green, 2);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = UBYTE_TO_FLOAT(red);
- texel[ACOMP] = UBYTE_TO_FLOAT(green);
-}
-
-void
-_mesa_fetch_texel_2d_f_signed_la_latc2(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLbyte red, green;
- signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data),
- i, j, &red, 2);
- signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data) + 8,
- i, j, &green, 2);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = BYTE_TO_FLOAT_TEX(red);
- texel[ACOMP] = BYTE_TO_FLOAT_TEX(green);
-}
-
-#define TAG(x) unsigned_##x
-
-#define TYPE GLubyte
-#define T_MIN 0
-#define T_MAX 0xff
-
-#include "texcompress_rgtc_tmp.h"
-
-#undef TAG
-#undef TYPE
-#undef T_MIN
-#undef T_MAX
-
-#define TAG(x) signed_##x
-#define TYPE GLbyte
-#define T_MIN (GLbyte)-128
-#define T_MAX (GLbyte)127
-
-#include "texcompress_rgtc_tmp.h"
-
-#undef TAG
-#undef TYPE
-#undef T_MIN
-#undef T_MAX
+/*
+ * Copyright (C) 2011 Red Hat Inc.
+ *
+ * block compression parts are:
+ * Copyright (C) 2004 Roland Scheidegger 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 (including the next
+ * paragraph) 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 OR COPYRIGHT HOLDERS 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.
+ *
+ * Author:
+ * Dave Airlie
+ */
+
+/**
+ * \file texcompress_rgtc.c
+ * GL_EXT_texture_compression_rgtc support.
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "colormac.h"
+#include "image.h"
+#include "macros.h"
+#include "mfeatures.h"
+#include "mipmap.h"
+#include "texcompress.h"
+#include "texcompress_rgtc.h"
+#include "texstore.h"
+#include "swrast/s_context.h"
+
+
+#define RGTC_DEBUG 0
+
+static void unsigned_encode_rgtc_chan(GLubyte *blkaddr, GLubyte srccolors[4][4],
+ GLint numxpixels, GLint numypixels);
+static void signed_encode_rgtc_chan(GLbyte *blkaddr, GLbyte srccolors[4][4],
+ GLint numxpixels, GLint numypixels);
+
+static void unsigned_fetch_texel_rgtc(unsigned srcRowStride, const GLubyte *pixdata,
+ unsigned i, unsigned j, GLubyte *value, unsigned comps);
+
+static void signed_fetch_texel_rgtc(unsigned srcRowStride, const GLbyte *pixdata,
+ unsigned i, unsigned j, GLbyte *value, unsigned comps);
+
+static void extractsrc_u( GLubyte srcpixels[4][4], const GLchan *srcaddr,
+ GLint srcRowStride, GLint numxpixels, GLint numypixels, GLint comps)
+{
+ GLubyte i, j;
+ const GLchan *curaddr;
+ for (j = 0; j < numypixels; j++) {
+ curaddr = srcaddr + j * srcRowStride * comps;
+ for (i = 0; i < numxpixels; i++) {
+ srcpixels[j][i] = *curaddr / (CHAN_MAX / 255);
+ curaddr += comps;
+ }
+ }
+}
+
+static void extractsrc_s( GLbyte srcpixels[4][4], const GLfloat *srcaddr,
+ GLint srcRowStride, GLint numxpixels, GLint numypixels, GLint comps)
+{
+ GLubyte i, j;
+ const GLfloat *curaddr;
+ for (j = 0; j < numypixels; j++) {
+ curaddr = srcaddr + j * srcRowStride * comps;
+ for (i = 0; i < numxpixels; i++) {
+ srcpixels[j][i] = FLOAT_TO_BYTE_TEX(*curaddr);
+ curaddr += comps;
+ }
+ }
+}
+
+
+GLboolean
+_mesa_texstore_red_rgtc1(TEXSTORE_PARAMS)
+{
+ GLubyte *dst;
+ const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
+ const GLchan *tempImage = NULL;
+ int i, j;
+ int numxpixels, numypixels;
+ const GLchan *srcaddr;
+ GLubyte srcpixels[4][4];
+ GLubyte *blkaddr;
+ GLint dstRowDiff;
+ ASSERT(dstFormat == MESA_FORMAT_RED_RGTC1 ||
+ dstFormat == MESA_FORMAT_L_LATC1);
+ ASSERT(dstXoffset % 4 == 0);
+ ASSERT(dstYoffset % 4 == 0);
+ ASSERT(dstZoffset % 4 == 0);
+ (void) dstZoffset;
+ (void) dstImageOffsets;
+
+
+ tempImage = _mesa_make_temp_chan_image(ctx, dims,
+ baseInternalFormat,
+ _mesa_get_format_base_format(dstFormat),
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ if (!tempImage)
+ return GL_FALSE; /* out of memory */
+
+ dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+ dstFormat,
+ texWidth, (GLubyte *) dstAddr);
+
+ blkaddr = dst;
+ dstRowDiff = dstRowStride >= (srcWidth * 2) ? dstRowStride - (((srcWidth + 3) & ~3) * 2) : 0;
+ for (j = 0; j < srcHeight; j+=4) {
+ if (srcHeight > j + 3) numypixels = 4;
+ else numypixels = srcHeight - j;
+ srcaddr = tempImage + j * srcWidth;
+ for (i = 0; i < srcWidth; i += 4) {
+ if (srcWidth > i + 3) numxpixels = 4;
+ else numxpixels = srcWidth - i;
+ extractsrc_u(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 1);
+ unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+ srcaddr += numxpixels;
+ blkaddr += 8;
+ }
+ blkaddr += dstRowDiff;
+ }
+ if (tempImage)
+ free((void *) tempImage);
+
+ return GL_TRUE;
+}
+
+GLboolean
+_mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS)
+{
+ GLbyte *dst;
+ const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
+ const GLfloat *tempImage = NULL;
+ int i, j;
+ int numxpixels, numypixels;
+ const GLfloat *srcaddr;
+ GLbyte srcpixels[4][4];
+ GLbyte *blkaddr;
+ GLint dstRowDiff;
+ ASSERT(dstFormat == MESA_FORMAT_SIGNED_RED_RGTC1 ||
+ dstFormat == MESA_FORMAT_SIGNED_L_LATC1);
+ ASSERT(dstXoffset % 4 == 0);
+ ASSERT(dstYoffset % 4 == 0);
+ ASSERT(dstZoffset % 4 == 0);
+ (void) dstZoffset;
+ (void) dstImageOffsets;
+
+ tempImage = _mesa_make_temp_float_image(ctx, dims,
+ baseInternalFormat,
+ _mesa_get_format_base_format(dstFormat),
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking, 0x0);
+ if (!tempImage)
+ return GL_FALSE; /* out of memory */
+
+ dst = (GLbyte *)_mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+ dstFormat,
+ texWidth, (GLubyte *) dstAddr);
+
+ blkaddr = dst;
+ dstRowDiff = dstRowStride >= (srcWidth * 2) ? dstRowStride - (((srcWidth + 3) & ~3) * 2) : 0;
+ for (j = 0; j < srcHeight; j+=4) {
+ if (srcHeight > j + 3) numypixels = 4;
+ else numypixels = srcHeight - j;
+ srcaddr = tempImage + j * srcWidth;
+ for (i = 0; i < srcWidth; i += 4) {
+ if (srcWidth > i + 3) numxpixels = 4;
+ else numxpixels = srcWidth - i;
+ extractsrc_s(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 1);
+ signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+ srcaddr += numxpixels;
+ blkaddr += 8;
+ }
+ blkaddr += dstRowDiff;
+ }
+ if (tempImage)
+ free((void *) tempImage);
+
+ return GL_TRUE;
+}
+
+GLboolean
+_mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS)
+{
+ GLubyte *dst;
+ const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
+ const GLchan *tempImage = NULL;
+ int i, j;
+ int numxpixels, numypixels;
+ const GLchan *srcaddr;
+ GLubyte srcpixels[4][4];
+ GLubyte *blkaddr;
+ GLint dstRowDiff;
+
+ ASSERT(dstFormat == MESA_FORMAT_RG_RGTC2 ||
+ dstFormat == MESA_FORMAT_LA_LATC2);
+ ASSERT(dstXoffset % 4 == 0);
+ ASSERT(dstYoffset % 4 == 0);
+ ASSERT(dstZoffset % 4 == 0);
+ (void) dstZoffset;
+ (void) dstImageOffsets;
+
+ tempImage = _mesa_make_temp_chan_image(ctx, dims,
+ baseInternalFormat,
+ _mesa_get_format_base_format(dstFormat),
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ if (!tempImage)
+ return GL_FALSE; /* out of memory */
+
+ dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+ dstFormat,
+ texWidth, (GLubyte *) dstAddr);
+
+ blkaddr = dst;
+ dstRowDiff = dstRowStride >= (srcWidth * 4) ? dstRowStride - (((srcWidth + 3) & ~3) * 4) : 0;
+ for (j = 0; j < srcHeight; j+=4) {
+ if (srcHeight > j + 3) numypixels = 4;
+ else numypixels = srcHeight - j;
+ srcaddr = tempImage + j * srcWidth * 2;
+ for (i = 0; i < srcWidth; i += 4) {
+ if (srcWidth > i + 3) numxpixels = 4;
+ else numxpixels = srcWidth - i;
+ extractsrc_u(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 2);
+ unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+
+ blkaddr += 8;
+ extractsrc_u(srcpixels, (GLchan *)srcaddr + 1, srcWidth, numxpixels, numypixels, 2);
+ unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+
+ blkaddr += 8;
+
+ srcaddr += numxpixels * 2;
+ }
+ blkaddr += dstRowDiff;
+ }
+ if (tempImage)
+ free((void *) tempImage);
+
+ return GL_TRUE;
+}
+
+GLboolean
+_mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS)
+{
+ GLbyte *dst;
+ const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
+ const GLfloat *tempImage = NULL;
+ int i, j;
+ int numxpixels, numypixels;
+ const GLfloat *srcaddr;
+ GLbyte srcpixels[4][4];
+ GLbyte *blkaddr;
+ GLint dstRowDiff;
+
+ ASSERT(dstFormat == MESA_FORMAT_SIGNED_RG_RGTC2 ||
+ dstFormat == MESA_FORMAT_SIGNED_LA_LATC2);
+ ASSERT(dstXoffset % 4 == 0);
+ ASSERT(dstYoffset % 4 == 0);
+ ASSERT(dstZoffset % 4 == 0);
+ (void) dstZoffset;
+ (void) dstImageOffsets;
+
+ tempImage = _mesa_make_temp_float_image(ctx, dims,
+ baseInternalFormat,
+ _mesa_get_format_base_format(dstFormat),
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking, 0x0);
+ if (!tempImage)
+ return GL_FALSE; /* out of memory */
+
+ dst = (GLbyte *)_mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+ dstFormat,
+ texWidth, (GLubyte *) dstAddr);
+
+ blkaddr = dst;
+ dstRowDiff = dstRowStride >= (srcWidth * 4) ? dstRowStride - (((srcWidth + 3) & ~3) * 4) : 0;
+ for (j = 0; j < srcHeight; j += 4) {
+ if (srcHeight > j + 3) numypixels = 4;
+ else numypixels = srcHeight - j;
+ srcaddr = tempImage + j * srcWidth * 2;
+ for (i = 0; i < srcWidth; i += 4) {
+ if (srcWidth > i + 3) numxpixels = 4;
+ else numxpixels = srcWidth - i;
+
+ extractsrc_s(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 2);
+ signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+ blkaddr += 8;
+
+ extractsrc_s(srcpixels, srcaddr + 1, srcWidth, numxpixels, numypixels, 2);
+ signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+ blkaddr += 8;
+
+ srcaddr += numxpixels * 2;
+
+ }
+ blkaddr += dstRowDiff;
+ }
+ if (tempImage)
+ free((void *) tempImage);
+
+ return GL_TRUE;
+}
+
+void
+_mesa_fetch_texel_2d_f_red_rgtc1(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLubyte red;
+ unsigned_fetch_texel_rgtc(texImage->Base.RowStride, (GLubyte *)(texImage->Base.Data),
+ i, j, &red, 1);
+ texel[RCOMP] = UBYTE_TO_FLOAT(red);
+ texel[GCOMP] = 0.0;
+ texel[BCOMP] = 0.0;
+ texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_signed_red_rgtc1(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLbyte red;
+ signed_fetch_texel_rgtc(texImage->Base.RowStride, (GLbyte *)(texImage->Base.Data),
+ i, j, &red, 1);
+ texel[RCOMP] = BYTE_TO_FLOAT_TEX(red);
+ texel[GCOMP] = 0.0;
+ texel[BCOMP] = 0.0;
+ texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_rg_rgtc2(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLubyte red, green;
+ unsigned_fetch_texel_rgtc(texImage->Base.RowStride, (GLubyte *)(texImage->Base.Data),
+ i, j, &red, 2);
+ unsigned_fetch_texel_rgtc(texImage->Base.RowStride, (GLubyte *)(texImage->Base.Data) + 8,
+ i, j, &green, 2);
+ texel[RCOMP] = UBYTE_TO_FLOAT(red);
+ texel[GCOMP] = UBYTE_TO_FLOAT(green);
+ texel[BCOMP] = 0.0;
+ texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_signed_rg_rgtc2(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLbyte red, green;
+ signed_fetch_texel_rgtc(texImage->Base.RowStride, (GLbyte *)(texImage->Base.Data),
+ i, j, &red, 2);
+ signed_fetch_texel_rgtc(texImage->Base.RowStride, (GLbyte *)(texImage->Base.Data) + 8,
+ i, j, &green, 2);
+ texel[RCOMP] = BYTE_TO_FLOAT_TEX(red);
+ texel[GCOMP] = BYTE_TO_FLOAT_TEX(green);
+ texel[BCOMP] = 0.0;
+ texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_l_latc1(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLubyte red;
+ unsigned_fetch_texel_rgtc(texImage->Base.RowStride, (GLubyte *)(texImage->Base.Data),
+ i, j, &red, 1);
+ texel[RCOMP] =
+ texel[GCOMP] =
+ texel[BCOMP] = UBYTE_TO_FLOAT(red);
+ texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_signed_l_latc1(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLbyte red;
+ signed_fetch_texel_rgtc(texImage->Base.RowStride, (GLbyte *)(texImage->Base.Data),
+ i, j, &red, 1);
+ texel[RCOMP] =
+ texel[GCOMP] =
+ texel[BCOMP] = BYTE_TO_FLOAT_TEX(red);
+ texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_la_latc2(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLubyte red, green;
+ unsigned_fetch_texel_rgtc(texImage->Base.RowStride, (GLubyte *)(texImage->Base.Data),
+ i, j, &red, 2);
+ unsigned_fetch_texel_rgtc(texImage->Base.RowStride, (GLubyte *)(texImage->Base.Data) + 8,
+ i, j, &green, 2);
+ texel[RCOMP] =
+ texel[GCOMP] =
+ texel[BCOMP] = UBYTE_TO_FLOAT(red);
+ texel[ACOMP] = UBYTE_TO_FLOAT(green);
+}
+
+void
+_mesa_fetch_texel_2d_f_signed_la_latc2(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLbyte red, green;
+ signed_fetch_texel_rgtc(texImage->Base.RowStride, (GLbyte *)(texImage->Base.Data),
+ i, j, &red, 2);
+ signed_fetch_texel_rgtc(texImage->Base.RowStride, (GLbyte *)(texImage->Base.Data) + 8,
+ i, j, &green, 2);
+ texel[RCOMP] =
+ texel[GCOMP] =
+ texel[BCOMP] = BYTE_TO_FLOAT_TEX(red);
+ texel[ACOMP] = BYTE_TO_FLOAT_TEX(green);
+}
+
+#define TAG(x) unsigned_##x
+
+#define TYPE GLubyte
+#define T_MIN 0
+#define T_MAX 0xff
+
+#include "texcompress_rgtc_tmp.h"
+
+#undef TAG
+#undef TYPE
+#undef T_MIN
+#undef T_MAX
+
+#define TAG(x) signed_##x
+#define TYPE GLbyte
+#define T_MIN (GLbyte)-128
+#define T_MAX (GLbyte)127
+
+#include "texcompress_rgtc_tmp.h"
+
+#undef TAG
+#undef TYPE
+#undef T_MIN
+#undef T_MAX
diff --git a/mesalib/src/mesa/main/texcompress_rgtc.h b/mesalib/src/mesa/main/texcompress_rgtc.h
index 18766770d..6be6ad9be 100644
--- a/mesalib/src/mesa/main/texcompress_rgtc.h
+++ b/mesalib/src/mesa/main/texcompress_rgtc.h
@@ -28,7 +28,7 @@
#include "mfeatures.h"
#include "texstore.h"
-struct gl_texture_image;
+struct swrast_texture_image;
extern GLboolean
_mesa_texstore_red_rgtc1(TEXSTORE_PARAMS);
@@ -43,35 +43,35 @@ extern GLboolean
_mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS);
extern void
-_mesa_fetch_texel_2d_f_red_rgtc1(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_red_rgtc1(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
-_mesa_fetch_texel_2d_f_signed_red_rgtc1(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_signed_red_rgtc1(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
-_mesa_fetch_texel_2d_f_rg_rgtc2(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_rg_rgtc2(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
-_mesa_fetch_texel_2d_f_signed_rg_rgtc2(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_signed_rg_rgtc2(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
-_mesa_fetch_texel_2d_f_l_latc1(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_l_latc1(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
-_mesa_fetch_texel_2d_f_signed_l_latc1(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_signed_l_latc1(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
-_mesa_fetch_texel_2d_f_la_latc2(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_la_latc2(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
extern void
-_mesa_fetch_texel_2d_f_signed_la_latc2(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_signed_la_latc2(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel);
#endif
diff --git a/mesalib/src/mesa/main/texcompress_s3tc.c b/mesalib/src/mesa/main/texcompress_s3tc.c
index 5798406db..779e1a4c8 100644
--- a/mesalib/src/mesa/main/texcompress_s3tc.c
+++ b/mesalib/src/mesa/main/texcompress_s3tc.c
@@ -44,6 +44,7 @@
#include "texcompress.h"
#include "texcompress_s3tc.h"
#include "texstore.h"
+#include "swrast/s_context.h"
#if FEATURE_texture_s3tc
@@ -392,14 +393,14 @@ _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS)
static void
-fetch_texel_2d_rgb_dxt1( const struct gl_texture_image *texImage,
+fetch_texel_2d_rgb_dxt1( const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLchan *texel )
{
(void) k;
if (fetch_ext_rgb_dxt1) {
ASSERT (sizeof(GLchan) == sizeof(GLubyte));
- fetch_ext_rgb_dxt1(texImage->RowStride,
- (GLubyte *)(texImage)->Data, i, j, texel);
+ fetch_ext_rgb_dxt1(texImage->Base.RowStride,
+ (GLubyte *)(texImage)->Base.Data, i, j, texel);
}
else
_mesa_debug(NULL, "attempted to decode s3tc texture without library available: fetch_texel_2d_rgb_dxt1");
@@ -407,7 +408,7 @@ fetch_texel_2d_rgb_dxt1( const struct gl_texture_image *texImage,
void
-_mesa_fetch_texel_2d_f_rgb_dxt1(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_rgb_dxt1(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
@@ -421,13 +422,13 @@ _mesa_fetch_texel_2d_f_rgb_dxt1(const struct gl_texture_image *texImage,
static void
-fetch_texel_2d_rgba_dxt1( const struct gl_texture_image *texImage,
+fetch_texel_2d_rgba_dxt1( const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLchan *texel )
{
(void) k;
if (fetch_ext_rgba_dxt1) {
- fetch_ext_rgba_dxt1(texImage->RowStride,
- (GLubyte *)(texImage)->Data, i, j, texel);
+ fetch_ext_rgba_dxt1(texImage->Base.RowStride,
+ (GLubyte *)(texImage)->Base.Data, i, j, texel);
}
else
_mesa_debug(NULL, "attempted to decode s3tc texture without library available: fetch_texel_2d_rgba_dxt1\n");
@@ -435,7 +436,7 @@ fetch_texel_2d_rgba_dxt1( const struct gl_texture_image *texImage,
void
-_mesa_fetch_texel_2d_f_rgba_dxt1(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_rgba_dxt1(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
@@ -449,13 +450,14 @@ _mesa_fetch_texel_2d_f_rgba_dxt1(const struct gl_texture_image *texImage,
static void
-fetch_texel_2d_rgba_dxt3( const struct gl_texture_image *texImage,
+fetch_texel_2d_rgba_dxt3( const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLchan *texel )
{
(void) k;
if (fetch_ext_rgba_dxt3) {
ASSERT (sizeof(GLchan) == sizeof(GLubyte));
- fetch_ext_rgba_dxt3(texImage->RowStride, (GLubyte *)(texImage)->Data,
+ fetch_ext_rgba_dxt3(texImage->Base.RowStride,
+ (GLubyte *)(texImage)->Base.Data,
i, j, texel);
}
else
@@ -464,7 +466,7 @@ fetch_texel_2d_rgba_dxt3( const struct gl_texture_image *texImage,
void
-_mesa_fetch_texel_2d_f_rgba_dxt3(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_rgba_dxt3(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
@@ -478,12 +480,13 @@ _mesa_fetch_texel_2d_f_rgba_dxt3(const struct gl_texture_image *texImage,
static void
-fetch_texel_2d_rgba_dxt5( const struct gl_texture_image *texImage,
+fetch_texel_2d_rgba_dxt5( const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLchan *texel )
{
(void) k;
if (fetch_ext_rgba_dxt5) {
- fetch_ext_rgba_dxt5(texImage->RowStride, (GLubyte *)(texImage)->Data,
+ fetch_ext_rgba_dxt5(texImage->Base.RowStride,
+ (GLubyte *)(texImage)->Base.Data,
i, j, texel);
}
else
@@ -492,7 +495,7 @@ fetch_texel_2d_rgba_dxt5( const struct gl_texture_image *texImage,
void
-_mesa_fetch_texel_2d_f_rgba_dxt5(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_rgba_dxt5(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
@@ -506,7 +509,7 @@ _mesa_fetch_texel_2d_f_rgba_dxt5(const struct gl_texture_image *texImage,
#if FEATURE_EXT_texture_sRGB
void
-_mesa_fetch_texel_2d_f_srgb_dxt1( const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_srgb_dxt1( const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel )
{
/* just sample as GLchan and convert to float here */
@@ -519,7 +522,7 @@ _mesa_fetch_texel_2d_f_srgb_dxt1( const struct gl_texture_image *texImage,
}
void
-_mesa_fetch_texel_2d_f_srgba_dxt1(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_srgba_dxt1(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
@@ -532,7 +535,7 @@ _mesa_fetch_texel_2d_f_srgba_dxt1(const struct gl_texture_image *texImage,
}
void
-_mesa_fetch_texel_2d_f_srgba_dxt3(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_srgba_dxt3(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
@@ -545,7 +548,7 @@ _mesa_fetch_texel_2d_f_srgba_dxt3(const struct gl_texture_image *texImage,
}
void
-_mesa_fetch_texel_2d_f_srgba_dxt5(const struct gl_texture_image *texImage,
+_mesa_fetch_texel_2d_f_srgba_dxt5(const struct swrast_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
diff --git a/mesalib/src/mesa/main/texcompress_s3tc.h b/mesalib/src/mesa/main/texcompress_s3tc.h
index 555cff9c2..709c35ae7 100644
--- a/mesalib/src/mesa/main/texcompress_s3tc.h
+++ b/mesalib/src/mesa/main/texcompress_s3tc.h
@@ -1,110 +1,110 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2008 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 TEXCOMPRESS_S3TC_H
-#define TEXCOMPRESS_S3TC_H
-
-#include "compiler.h"
-#include "glheader.h"
-#include "mfeatures.h"
-#include "texstore.h"
-
-struct gl_context;
-struct gl_texture_image;
-
-#if FEATURE_texture_s3tc
-
-extern GLboolean
-_mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS);
-
-extern GLboolean
-_mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS);
-
-extern GLboolean
-_mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS);
-
-extern GLboolean
-_mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS);
-
-extern void
-_mesa_fetch_texel_2d_f_rgb_dxt1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_rgba_dxt1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_rgba_dxt3(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_rgba_dxt5(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_srgb_dxt1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_srgba_dxt1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_srgba_dxt3(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_srgba_dxt5(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_init_texture_s3tc(struct gl_context *ctx);
-
-#else /* FEATURE_texture_s3tc */
-
-/* these are used only in texstore_funcs[] */
-#define _mesa_texstore_rgb_dxt1 NULL
-#define _mesa_texstore_rgba_dxt1 NULL
-#define _mesa_texstore_rgba_dxt3 NULL
-#define _mesa_texstore_rgba_dxt5 NULL
-
-/* these are used only in texfetch_funcs[] */
-#define _mesa_fetch_texel_2d_f_rgb_dxt1 NULL
-#define _mesa_fetch_texel_2d_f_rgba_dxt1 NULL
-#define _mesa_fetch_texel_2d_f_rgba_dxt3 NULL
-#define _mesa_fetch_texel_2d_f_rgba_dxt5 NULL
-#define _mesa_fetch_texel_2d_f_srgb_dxt1 NULL
-#define _mesa_fetch_texel_2d_f_srgba_dxt1 NULL
-#define _mesa_fetch_texel_2d_f_srgba_dxt3 NULL
-#define _mesa_fetch_texel_2d_f_srgba_dxt5 NULL
-
-static INLINE void
-_mesa_init_texture_s3tc(struct gl_context *ctx)
-{
-}
-
-#endif /* FEATURE_texture_s3tc */
-
-#endif /* TEXCOMPRESS_S3TC_H */
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2008 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 TEXCOMPRESS_S3TC_H
+#define TEXCOMPRESS_S3TC_H
+
+#include "compiler.h"
+#include "glheader.h"
+#include "mfeatures.h"
+#include "texstore.h"
+
+struct gl_context;
+struct swrast_texture_image;
+
+#if FEATURE_texture_s3tc
+
+extern GLboolean
+_mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS);
+
+extern GLboolean
+_mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS);
+
+extern GLboolean
+_mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS);
+
+extern GLboolean
+_mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS);
+
+extern void
+_mesa_fetch_texel_2d_f_rgb_dxt1(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_rgba_dxt1(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_rgba_dxt3(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_rgba_dxt5(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_srgb_dxt1(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_srgba_dxt1(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_srgba_dxt3(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_srgba_dxt5(const struct swrast_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_init_texture_s3tc(struct gl_context *ctx);
+
+#else /* FEATURE_texture_s3tc */
+
+/* these are used only in texstore_funcs[] */
+#define _mesa_texstore_rgb_dxt1 NULL
+#define _mesa_texstore_rgba_dxt1 NULL
+#define _mesa_texstore_rgba_dxt3 NULL
+#define _mesa_texstore_rgba_dxt5 NULL
+
+/* these are used only in texfetch_funcs[] */
+#define _mesa_fetch_texel_2d_f_rgb_dxt1 NULL
+#define _mesa_fetch_texel_2d_f_rgba_dxt1 NULL
+#define _mesa_fetch_texel_2d_f_rgba_dxt3 NULL
+#define _mesa_fetch_texel_2d_f_rgba_dxt5 NULL
+#define _mesa_fetch_texel_2d_f_srgb_dxt1 NULL
+#define _mesa_fetch_texel_2d_f_srgba_dxt1 NULL
+#define _mesa_fetch_texel_2d_f_srgba_dxt3 NULL
+#define _mesa_fetch_texel_2d_f_srgba_dxt5 NULL
+
+static INLINE void
+_mesa_init_texture_s3tc(struct gl_context *ctx)
+{
+}
+
+#endif /* FEATURE_texture_s3tc */
+
+#endif /* TEXCOMPRESS_S3TC_H */
diff --git a/mesalib/src/mesa/main/texfetch.c b/mesalib/src/mesa/main/texfetch.c
deleted file mode 100644
index 11cc8e047..000000000
--- a/mesalib/src/mesa/main/texfetch.c
+++ /dev/null
@@ -1,1057 +0,0 @@
-/*
- * 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_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.h b/mesalib/src/mesa/main/texfetch.h
deleted file mode 100644
index dad19cee1..000000000
--- a/mesalib/src/mesa/main/texfetch.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * 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.
- */
-
-
-#ifndef TEXFETCH_H
-#define TEXFETCH_H
-
-#include "mtypes.h"
-#include "formats.h"
-
-
-extern StoreTexelFunc
-_mesa_get_texel_store_func(gl_format format);
-
-extern FetchTexelFuncF
-_mesa_get_texel_fetch_func(gl_format format, GLuint dims);
-
-extern void
-_mesa_set_fetch_functions(struct gl_texture_image *texImage, GLuint dims);
-
-void
-_mesa_update_fetch_functions(struct gl_texture_object *texObj);
-#endif
diff --git a/mesalib/src/mesa/main/texfetch_tmp.h b/mesalib/src/mesa/main/texfetch_tmp.h
deleted file mode 100644
index dbed3dba9..000000000
--- a/mesalib/src/mesa/main/texfetch_tmp.h
+++ /dev/null
@@ -1,2341 +0,0 @@
-/*
- * 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 GLchan *rgba = (const GLchan *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- GLushort p = PACK_COLOR_565(CHAN_TO_UBYTE(rgba[RCOMP]),
- CHAN_TO_UBYTE(rgba[GCOMP]),
- CHAN_TO_UBYTE(rgba[BCOMP]));
- *dst = (p >> 8) | (p << 8); /* byte swap */
-}
-#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 GLchan *rgba = (const GLchan *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_4444(CHAN_TO_UBYTE(rgba[ACOMP]),
- CHAN_TO_UBYTE(rgba[RCOMP]),
- CHAN_TO_UBYTE(rgba[GCOMP]),
- CHAN_TO_UBYTE(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 GLchan *rgba = (const GLchan *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = PACK_COLOR_4444(CHAN_TO_UBYTE(rgba[GCOMP]),
- CHAN_TO_UBYTE(rgba[BCOMP]),
- CHAN_TO_UBYTE(rgba[ACOMP]),
- CHAN_TO_UBYTE(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 GLchan *rgba = (const GLchan *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- GLushort r = CHAN_TO_USHORT(rgba[RCOMP]);
- GLushort g = CHAN_TO_USHORT(rgba[GCOMP]);
- GLushort b = CHAN_TO_USHORT(rgba[BCOMP]);
- GLushort a = CHAN_TO_USHORT(rgba[ACOMP]);
- *dst = PACK_COLOR_2101010_US(a, r, g, b);
-}
-#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 GLchan *rgba = (const GLubyte *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- GLubyte r = CHAN_TO_UBYTE(rgba[RCOMP]);
- GLubyte g = CHAN_TO_UBYTE(rgba[GCOMP]);
- *dst = PACK_COLOR_88(g, r);
-}
-#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 GLchan *rgba = (const GLchan *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = CHAN_TO_USHORT(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 GLchan *rgba = (const GLchan *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- GLushort r = CHAN_TO_USHORT(rgba[RCOMP]);
- GLushort g = CHAN_TO_USHORT(rgba[GCOMP]);
- *dst = PACK_COLOR_1616(g, r);
-}
-#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 GLchan *rgba = (const GLchan *) texel;
- GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- GLushort l = CHAN_TO_USHORT(rgba[RCOMP]);
- GLushort a = CHAN_TO_USHORT(rgba[ACOMP]);
- *dst = PACK_COLOR_1616(a, l);
-}
-#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 GLchan *rgba = (const GLchan *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- *dst = CHAN_TO_USHORT(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
-
-
-/* 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 GLchan *rgba = (const GLchan *) texel;
- GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
- dst[0] = CHAN_TO_SHORT(rgba[RCOMP]);
- dst[1] = CHAN_TO_SHORT(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 GLchan *rgba = (const GLchan *) texel;
- GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
- dst[0] = CHAN_TO_SHORT(rgba[RCOMP]);
- dst[1] = CHAN_TO_SHORT(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 GLchan *rgba = (const GLchan *) texel;
- GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 3);
- dst[0] = CHAN_TO_SHORT(rgba[RCOMP]);
- dst[1] = CHAN_TO_SHORT(rgba[GCOMP]);
- dst[2] = CHAN_TO_SHORT(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 GLchan *rgba = (const GLchan *) texel;
- GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
- dst[0] = CHAN_TO_SHORT(rgba[RCOMP]);
- dst[1] = CHAN_TO_SHORT(rgba[GCOMP]);
- dst[2] = CHAN_TO_SHORT(rgba[BCOMP]);
- dst[3] = CHAN_TO_SHORT(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 GLchan *rgba = (const GLchan *) texel;
- GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 4);
- dst[0] = CHAN_TO_USHORT(rgba[RCOMP]);
- dst[1] = CHAN_TO_USHORT(rgba[GCOMP]);
- dst[2] = CHAN_TO_USHORT(rgba[BCOMP]);
- dst[3] = CHAN_TO_USHORT(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 ||
- texImage->TexFormat == MESA_FORMAT_Z24_X8);
- 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 ||
- texImage->TexFormat == MESA_FORMAT_X8_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/teximage.c b/mesalib/src/mesa/main/teximage.c
index cb4a5b4e4..6113b2e9e 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -42,7 +42,6 @@
#include "mfeatures.h"
#include "state.h"
#include "texcompress.h"
-#include "texfetch.h"
#include "teximage.h"
#include "texstate.h"
#include "texpal.h"
@@ -602,7 +601,8 @@ _mesa_free_texture_image_data(struct gl_context *ctx,
/**
- * Free texture image.
+ * Free a gl_texture_image and associated data.
+ * This function is a fallback called via ctx->Driver.DeleteTextureImage().
*
* \param texImage texture image.
*
@@ -1076,8 +1076,6 @@ clear_teximage_fields(struct gl_texture_image *img)
img->DepthLog2 = 0;
img->Data = NULL;
img->TexFormat = MESA_FORMAT_NONE;
- img->FetchTexelc = NULL;
- img->FetchTexelf = NULL;
}
@@ -1104,7 +1102,7 @@ _mesa_init_teximage_fields(struct gl_context *ctx, GLenum target,
GLint border, GLenum internalFormat,
gl_format format)
{
- GLint i, dims;
+ GLint i;
ASSERT(img);
ASSERT(width >= 0);
@@ -1176,10 +1174,6 @@ _mesa_init_teximage_fields(struct gl_context *ctx, GLenum target,
}
img->TexFormat = format;
-
- dims = _mesa_get_texture_dimensions(target);
-
- _mesa_set_fetch_functions(img, dims);
}
diff --git a/mesalib/src/mesa/main/texobj.c b/mesalib/src/mesa/main/texobj.c
index 1168f1842..1b90cca9b 100644
--- a/mesalib/src/mesa/main/texobj.c
+++ b/mesalib/src/mesa/main/texobj.c
@@ -202,7 +202,7 @@ _mesa_delete_texture_object(struct gl_context *ctx,
for (face = 0; face < 6; face++) {
for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
if (texObj->Image[face][i]) {
- _mesa_delete_texture_image( ctx, texObj->Image[face][i] );
+ ctx->Driver.DeleteTextureImage(ctx, texObj->Image[face][i]);
}
}
}
diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c
index 19a01a14d..44dabe6de 100644
--- a/mesalib/src/mesa/main/texparam.c
+++ b/mesalib/src/mesa/main/texparam.c
@@ -43,7 +43,6 @@
#include "main/texparam.h"
#include "main/teximage.h"
#include "main/texstate.h"
-#include "main/texfetch.h"
#include "program/prog_instruction.h"
@@ -432,7 +431,6 @@ set_tex_parameteri(struct gl_context *ctx,
if (texObj->Sampler.sRGBDecode != decode) {
flush(ctx);
texObj->Sampler.sRGBDecode = decode;
- _mesa_update_fetch_functions(texObj);
}
return GL_TRUE;
}
diff --git a/mesalib/src/mesa/main/texstore.c b/mesalib/src/mesa/main/texstore.c
index 2cdc8ed67..b958615b5 100644
--- a/mesalib/src/mesa/main/texstore.c
+++ b/mesalib/src/mesa/main/texstore.c
@@ -4508,16 +4508,6 @@ _mesa_texstore(TEXSTORE_PARAMS)
}
-/** Return texture size in bytes */
-static GLuint
-texture_size(const struct gl_texture_image *texImage)
-{
- GLuint sz = _mesa_format_image_size(texImage->TexFormat, texImage->Width,
- texImage->Height, texImage->Depth);
- return sz;
-}
-
-
/**
* Normally, we'll only _write_ texel data to a texture when we map it.
* But if the user is providing depth or stencil values and the texture
@@ -4549,7 +4539,6 @@ _mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
- GLuint sizeInBytes;
const GLbitfield rwMode = get_read_write_mode(format, texImage->TexFormat);
const GLuint zeroImageOffset = 0;
GLubyte *dstMap;
@@ -4558,10 +4547,9 @@ _mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
(void) border;
- /* allocate memory */
- sizeInBytes = texture_size(texImage);
- texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
- if (!texImage->Data) {
+ /* allocate storage for texture data */
+ if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage, texImage->TexFormat,
+ width, 1, 1)) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
return;
}
@@ -4614,7 +4602,6 @@ _mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
- GLuint sizeInBytes;
const GLbitfield rwMode = get_read_write_mode(format, texImage->TexFormat);
const GLuint zeroImageOffset = 0;
GLubyte *dstMap;
@@ -4623,10 +4610,9 @@ _mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
(void) border;
- /* allocate memory */
- sizeInBytes = texture_size(texImage);
- texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
- if (!texImage->Data) {
+ /* allocate storage for texture data */
+ if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage, texImage->TexFormat,
+ width, height, 1)) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
return;
}
@@ -4678,7 +4664,6 @@ _mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
- GLuint sizeInBytes;
const GLbitfield rwMode = get_read_write_mode(format, texImage->TexFormat);
GLboolean success;
GLint slice;
@@ -4689,13 +4674,10 @@ _mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
(void) border;
- /* allocate memory */
- sizeInBytes = texture_size(texImage);
- texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
- if (!texImage->Data) {
- /* Note: we check for a NULL image pointer here, _after_ we allocated
- * memory for the texture. That's what the GL spec calls for.
- */
+ /* allocate storage for texture data */
+ if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage, texImage->TexFormat,
+ width, height, depth)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
return;
}
@@ -4966,10 +4948,10 @@ _mesa_store_compressed_teximage2d(struct gl_context *ctx,
ASSERT(texImage->Depth == 1);
ASSERT(texImage->Data == NULL); /* was freed in glCompressedTexImage2DARB */
- /* allocate storage */
- texImage->Data = _mesa_alloc_texmemory(imageSize);
- if (!texImage->Data) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2DARB");
+ /* allocate storage for texture data */
+ if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage, texImage->TexFormat,
+ width, height, 1)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D");
return;
}