/*
* Mesa 3-D graphics library
- * Version: 6.5.1
+ * Version: 7.7
*
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- * Copyright (c) 2008 VMware, Inc.
+ * 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"),
* Texture formats.
*
* \author Gareth Hughes
+ * \author Brian Paul
*/
-#include "colormac.h"
#include "context.h"
+#include "mfeatures.h"
+#include "mtypes.h"
#include "texcompress.h"
-#include "texcompress_fxt1.h"
-#include "texcompress_s3tc.h"
#include "texformat.h"
-#include "texstore.h"
-
-
-#if FEATURE_EXT_texture_sRGB
-
-/**
- * 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) _mesa_pow((cs + 0.055) / 1.055, 2.4);
- }
- }
- tableReady = GL_TRUE;
- }
- return table[cs8];
-}
-
-
-#endif /* FEATURE_EXT_texture_sRGB */
-
-
-/* Texel fetch routines for all supported formats
- */
-#define DIM 1
-#include "texformat_tmp.h"
-
-#define DIM 2
-#include "texformat_tmp.h"
-
-#define DIM 3
-#include "texformat_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 */
-}
+#define RETURN_IF_SUPPORTED(f) do { \
+ if (ctx->TextureFormatSupported[f]) \
+ return f; \
+} while (0)
/**
* Choose an appropriate texture format given the format, type and
* will typically override this function with a specialized version.
*/
gl_format
-_mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat,
+_mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
GLenum format, GLenum type )
{
(void) format;
(void) type;
switch (internalFormat) {
- /* RGBA formats */
+ /* shallow RGBA formats */
case 4:
case GL_RGBA:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- return MESA_FORMAT_RGBA;
+ if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
+ } else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
+ }
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+
case GL_RGBA8:
- return MESA_FORMAT_RGBA8888;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
case GL_RGB5_A1:
- return MESA_FORMAT_ARGB1555;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
+ break;
case GL_RGBA2:
- return MESA_FORMAT_ARGB4444_REV; /* just to test another format*/
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444_REV); /* just to test another format*/
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
+ break;
case GL_RGBA4:
- return MESA_FORMAT_ARGB4444;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
+ break;
+
+ /* deep RGBA formats */
+ case GL_RGB10_A2:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+ case GL_RGBA12:
+ case GL_RGBA16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
- /* RGB formats */
+ /* shallow RGB formats */
case 3:
case GL_RGB:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- return MESA_FORMAT_RGB;
case GL_RGB8:
- return MESA_FORMAT_RGB888;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
case GL_R3_G3_B2:
- return MESA_FORMAT_RGB332;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB332);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
case GL_RGB4:
- return MESA_FORMAT_RGB565_REV; /* just to test another format */
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV); /* just to test another format */
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
+ break;
case GL_RGB5:
- return MESA_FORMAT_RGB565;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
+ break;
+
+ /* deep RGB formats */
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
/* Alpha formats */
case GL_ALPHA:
case GL_ALPHA4:
+ case GL_ALPHA8:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
+ break;
+
case GL_ALPHA12:
case GL_ALPHA16:
- return MESA_FORMAT_ALPHA;
- case GL_ALPHA8:
- return MESA_FORMAT_A8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_A16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
+ break;
/* Luminance formats */
case 1:
case GL_LUMINANCE:
case GL_LUMINANCE4:
+ case GL_LUMINANCE8:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
+ break;
+
case GL_LUMINANCE12:
case GL_LUMINANCE16:
- return MESA_FORMAT_LUMINANCE;
- case GL_LUMINANCE8:
- return MESA_FORMAT_L8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_L16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
+ break;
/* Luminance/Alpha formats */
+ case GL_LUMINANCE4_ALPHA4:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_AL44);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
+ break;
+
case 2:
case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE4_ALPHA4:
case GL_LUMINANCE6_ALPHA2:
+ case GL_LUMINANCE8_ALPHA8:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
+ break;
+
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
- return MESA_FORMAT_LUMINANCE_ALPHA;
- case GL_LUMINANCE8_ALPHA8:
- return MESA_FORMAT_AL88;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_AL1616);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
+ break;
case GL_INTENSITY:
case GL_INTENSITY4:
+ case GL_INTENSITY8:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
+ break;
+
case GL_INTENSITY12:
case GL_INTENSITY16:
- return MESA_FORMAT_INTENSITY;
- case GL_INTENSITY8:
- return MESA_FORMAT_I8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_I16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
+ break;
case GL_COLOR_INDEX:
case GL_COLOR_INDEX1_EXT:
case GL_COLOR_INDEX12_EXT:
case GL_COLOR_INDEX16_EXT:
case GL_COLOR_INDEX8_EXT:
- return MESA_FORMAT_CI8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_CI8);
+ break;
default:
; /* fallthrough */
case GL_DEPTH_COMPONENT:
case GL_DEPTH_COMPONENT24:
case GL_DEPTH_COMPONENT32:
- return MESA_FORMAT_Z32;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_Z32);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
+ break;
case GL_DEPTH_COMPONENT16:
- return MESA_FORMAT_Z16;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_Z16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
default:
; /* fallthrough */
}
switch (internalFormat) {
case GL_COMPRESSED_ALPHA_ARB:
- return MESA_FORMAT_ALPHA;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
+ break;
case GL_COMPRESSED_LUMINANCE_ARB:
- return MESA_FORMAT_LUMINANCE;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
+ break;
case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
- return MESA_FORMAT_LUMINANCE_ALPHA;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
+ break;
case GL_COMPRESSED_INTENSITY_ARB:
- return MESA_FORMAT_INTENSITY;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
+ break;
case GL_COMPRESSED_RGB_ARB:
-#if FEATURE_texture_fxt1
- if (ctx->Extensions.TDFX_texture_compression_FXT1)
- return MESA_FORMAT_RGB_FXT1;
-#endif
-#if FEATURE_texture_s3tc
if (ctx->Extensions.EXT_texture_compression_s3tc ||
ctx->Extensions.S3_s3tc)
- return MESA_FORMAT_RGB_DXT1;
-#endif
- return MESA_FORMAT_RGB;
- case GL_COMPRESSED_RGBA_ARB:
-#if FEATURE_texture_fxt1
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
if (ctx->Extensions.TDFX_texture_compression_FXT1)
- return MESA_FORMAT_RGBA_FXT1;
-#endif
-#if FEATURE_texture_s3tc
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+ case GL_COMPRESSED_RGBA_ARB:
if (ctx->Extensions.EXT_texture_compression_s3tc ||
ctx->Extensions.S3_s3tc)
- return MESA_FORMAT_RGBA_DXT3; /* Not rgba_dxt1, see spec */
-#endif
- return MESA_FORMAT_RGBA;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); /* Not rgba_dxt1, see spec */
+ if (ctx->Extensions.TDFX_texture_compression_FXT1)
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
default:
; /* fallthrough */
}
if (ctx->Extensions.MESA_ycbcr_texture) {
if (internalFormat == GL_YCBCR_MESA) {
if (type == GL_UNSIGNED_SHORT_8_8_MESA)
- return MESA_FORMAT_YCBCR;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR);
else
- return MESA_FORMAT_YCBCR_REV;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV);
}
}
if (ctx->Extensions.TDFX_texture_compression_FXT1) {
switch (internalFormat) {
case GL_COMPRESSED_RGB_FXT1_3DFX:
- return MESA_FORMAT_RGB_FXT1;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
+ break;
case GL_COMPRESSED_RGBA_FXT1_3DFX:
- return MESA_FORMAT_RGBA_FXT1;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
+ break;
default:
; /* fallthrough */
}
if (ctx->Extensions.EXT_texture_compression_s3tc) {
switch (internalFormat) {
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
- return MESA_FORMAT_RGB_DXT1;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
+ break;
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- return MESA_FORMAT_RGBA_DXT1;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT1);
+ break;
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- return MESA_FORMAT_RGBA_DXT3;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
+ break;
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- return MESA_FORMAT_RGBA_DXT5;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT5);
+ break;
default:
; /* fallthrough */
}
switch (internalFormat) {
case GL_RGB_S3TC:
case GL_RGB4_S3TC:
- return MESA_FORMAT_RGB_DXT1;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
+ break;
case GL_RGBA_S3TC:
case GL_RGBA4_S3TC:
- return MESA_FORMAT_RGBA_DXT3;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
+ break;
default:
; /* fallthrough */
}
if (ctx->Extensions.ARB_texture_float) {
switch (internalFormat) {
case GL_ALPHA16F_ARB:
- return MESA_FORMAT_ALPHA_FLOAT16;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16);
+ break;
case GL_ALPHA32F_ARB:
- return MESA_FORMAT_ALPHA_FLOAT32;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
+ break;
case GL_LUMINANCE16F_ARB:
- return MESA_FORMAT_LUMINANCE_FLOAT16;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
+ break;
case GL_LUMINANCE32F_ARB:
- return MESA_FORMAT_LUMINANCE_FLOAT32;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
+ break;
case GL_LUMINANCE_ALPHA16F_ARB:
- return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
+ break;
case GL_LUMINANCE_ALPHA32F_ARB:
- return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
+ break;
case GL_INTENSITY16F_ARB:
- return MESA_FORMAT_INTENSITY_FLOAT16;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
+ break;
case GL_INTENSITY32F_ARB:
- return MESA_FORMAT_INTENSITY_FLOAT32;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
+ break;
case GL_RGB16F_ARB:
- return MESA_FORMAT_RGB_FLOAT16;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
+ break;
case GL_RGB32F_ARB:
- return MESA_FORMAT_RGB_FLOAT32;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
+ break;
case GL_RGBA16F_ARB:
- return MESA_FORMAT_RGBA_FLOAT16;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
+ break;
case GL_RGBA32F_ARB:
- return MESA_FORMAT_RGBA_FLOAT32;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
+ break;
default:
; /* fallthrough */
}
switch (internalFormat) {
case GL_DEPTH_STENCIL_EXT:
case GL_DEPTH24_STENCIL8_EXT:
- return MESA_FORMAT_Z24_S8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_S8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
+ break;
default:
; /* fallthrough */
}
switch (internalFormat) {
case GL_DUDV_ATI:
case GL_DU8DV8_ATI:
- return MESA_FORMAT_DUDV8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_DUDV8);
+ break;
default:
; /* fallthrough */
}
switch (internalFormat) {
case GL_RGBA_SNORM:
case GL_RGBA8_SNORM:
- return MESA_FORMAT_SIGNED_RGBA8888;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
+ break;
default:
; /* fallthrough */
}
}
+ if (ctx->VersionMajor * 10 + ctx->VersionMinor >= 31) {
+ switch (internalFormat) {
+ case GL_RED_SNORM:
+ case GL_R8_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R8);
+ break;
+ case GL_RG_SNORM:
+ case GL_RG8_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG88);
+ break;
+ case GL_RGB_SNORM:
+ case GL_RGB8_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888);
+ break;
+ case GL_RGBA_SNORM:
+ case GL_RGBA8_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
+ break;
+ case GL_R16_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R_16);
+ break;
+ case GL_RG16_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG_16);
+ break;
+ case GL_RGB16_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGB_16);
+ break;
+ case GL_RGBA16_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16);
+ break;
+ default:
+ ; /* fall-through */
+ }
+ }
#if FEATURE_EXT_texture_sRGB
if (ctx->Extensions.EXT_texture_sRGB) {
switch (internalFormat) {
case GL_SRGB_EXT:
case GL_SRGB8_EXT:
- return MESA_FORMAT_SRGB8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
case GL_SRGB_ALPHA_EXT:
case GL_SRGB8_ALPHA8_EXT:
- return MESA_FORMAT_SRGBA8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
case GL_SLUMINANCE_EXT:
case GL_SLUMINANCE8_EXT:
- return MESA_FORMAT_SL8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
case GL_SLUMINANCE_ALPHA_EXT:
case GL_SLUMINANCE8_ALPHA8_EXT:
- return MESA_FORMAT_SLA8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
case GL_COMPRESSED_SLUMINANCE_EXT:
- return MESA_FORMAT_SL8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
- return MESA_FORMAT_SLA8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
case GL_COMPRESSED_SRGB_EXT:
#if FEATURE_texture_s3tc
if (ctx->Extensions.EXT_texture_compression_s3tc)
- return MESA_FORMAT_SRGB_DXT1;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
#endif
- return MESA_FORMAT_SRGB8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
case GL_COMPRESSED_SRGB_ALPHA_EXT:
#if FEATURE_texture_s3tc
if (ctx->Extensions.EXT_texture_compression_s3tc)
- return MESA_FORMAT_SRGBA_DXT3; /* Not srgba_dxt1, see spec */
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); /* Not srgba_dxt1, see spec */
#endif
- return MESA_FORMAT_SRGBA8;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
#if FEATURE_texture_s3tc
case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
if (ctx->Extensions.EXT_texture_compression_s3tc)
- return MESA_FORMAT_SRGB_DXT1;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
if (ctx->Extensions.EXT_texture_compression_s3tc)
- return MESA_FORMAT_SRGBA_DXT1;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT1);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
if (ctx->Extensions.EXT_texture_compression_s3tc)
- return MESA_FORMAT_SRGBA_DXT3;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
if (ctx->Extensions.EXT_texture_compression_s3tc)
- return MESA_FORMAT_SRGBA_DXT5;
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT5);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
break;
#endif
default:
}
#endif /* FEATURE_EXT_texture_sRGB */
- _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
- return MESA_FORMAT_NONE;
-}
-
-
-
-/**
- * Return datatype and number of components per texel for the given gl_format.
- */
-void
-_mesa_format_to_type_and_comps(gl_format format,
- GLenum *datatype, GLuint *comps)
-{
- switch (format) {
- case MESA_FORMAT_RGBA8888:
- case MESA_FORMAT_RGBA8888_REV:
- case MESA_FORMAT_ARGB8888:
- case MESA_FORMAT_ARGB8888_REV:
- *datatype = CHAN_TYPE;
- *comps = 4;
- return;
- case MESA_FORMAT_RGB888:
- case MESA_FORMAT_BGR888:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 3;
- return;
- case MESA_FORMAT_RGB565:
- case MESA_FORMAT_RGB565_REV:
- *datatype = GL_UNSIGNED_SHORT_5_6_5;
- *comps = 3;
- return;
-
- case MESA_FORMAT_ARGB4444:
- case MESA_FORMAT_ARGB4444_REV:
- *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
- *comps = 4;
- return;
-
- case MESA_FORMAT_ARGB1555:
- case MESA_FORMAT_ARGB1555_REV:
- *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
- *comps = 4;
- return;
-
- case MESA_FORMAT_AL88:
- case MESA_FORMAT_AL88_REV:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 2;
- return;
- case MESA_FORMAT_RGB332:
- *datatype = GL_UNSIGNED_BYTE_3_3_2;
- *comps = 3;
- return;
-
- case MESA_FORMAT_A8:
- case MESA_FORMAT_L8:
- case MESA_FORMAT_I8:
- case MESA_FORMAT_CI8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 1;
- return;
-
- case MESA_FORMAT_YCBCR:
- case MESA_FORMAT_YCBCR_REV:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 2;
- return;
-
- case MESA_FORMAT_Z24_S8:
- *datatype = GL_UNSIGNED_INT;
- *comps = 1; /* XXX OK? */
- return;
-
- case MESA_FORMAT_S8_Z24:
- *datatype = GL_UNSIGNED_INT;
- *comps = 1; /* XXX OK? */
- return;
-
- case MESA_FORMAT_Z16:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 1;
- return;
-
- case MESA_FORMAT_Z32:
- *datatype = GL_UNSIGNED_INT;
- *comps = 1;
- return;
-
- case MESA_FORMAT_DUDV8:
- *datatype = GL_BYTE;
- *comps = 2;
- return;
-
- case MESA_FORMAT_SIGNED_RGBA8888:
- case MESA_FORMAT_SIGNED_RGBA8888_REV:
- *datatype = GL_BYTE;
- *comps = 4;
- return;
-
-#if FEATURE_EXT_texture_sRGB
- case MESA_FORMAT_SRGB8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 3;
- return;
- case MESA_FORMAT_SRGBA8:
- case MESA_FORMAT_SARGB8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 4;
- return;
- case MESA_FORMAT_SL8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 1;
- return;
- case MESA_FORMAT_SLA8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 2;
- return;
-#endif
-
-#if FEATURE_texture_fxt1
- case MESA_FORMAT_RGB_FXT1:
- case MESA_FORMAT_RGBA_FXT1:
-#endif
-#if FEATURE_texture_s3tc
- case MESA_FORMAT_RGB_DXT1:
- case MESA_FORMAT_RGBA_DXT1:
- case MESA_FORMAT_RGBA_DXT3:
- case MESA_FORMAT_RGBA_DXT5:
-#if FEATURE_EXT_texture_sRGB
- case MESA_FORMAT_SRGB_DXT1:
- case MESA_FORMAT_SRGBA_DXT1:
- case MESA_FORMAT_SRGBA_DXT3:
- case MESA_FORMAT_SRGBA_DXT5:
-#endif
- /* XXX generate error instead? */
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 0;
- return;
-#endif
-
- case MESA_FORMAT_RGBA:
- *datatype = CHAN_TYPE;
- *comps = 4;
- return;
- case MESA_FORMAT_RGB:
- *datatype = CHAN_TYPE;
- *comps = 3;
- return;
- case MESA_FORMAT_LUMINANCE_ALPHA:
- *datatype = CHAN_TYPE;
- *comps = 2;
- return;
- case MESA_FORMAT_ALPHA:
- case MESA_FORMAT_LUMINANCE:
- case MESA_FORMAT_INTENSITY:
- *datatype = CHAN_TYPE;
- *comps = 1;
- return;
-
- case MESA_FORMAT_RGBA_FLOAT32:
- *datatype = GL_FLOAT;
- *comps = 4;
- return;
- case MESA_FORMAT_RGBA_FLOAT16:
- *datatype = GL_HALF_FLOAT_ARB;
- *comps = 4;
- return;
- case MESA_FORMAT_RGB_FLOAT32:
- *datatype = GL_FLOAT;
- *comps = 3;
- return;
- case MESA_FORMAT_RGB_FLOAT16:
- *datatype = GL_HALF_FLOAT_ARB;
- *comps = 3;
- return;
- case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
- *datatype = GL_FLOAT;
- *comps = 2;
- return;
- case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
- *datatype = GL_HALF_FLOAT_ARB;
- *comps = 2;
- return;
- case MESA_FORMAT_ALPHA_FLOAT32:
- case MESA_FORMAT_LUMINANCE_FLOAT32:
- case MESA_FORMAT_INTENSITY_FLOAT32:
- *datatype = GL_FLOAT;
- *comps = 1;
- return;
- case MESA_FORMAT_ALPHA_FLOAT16:
- case MESA_FORMAT_LUMINANCE_FLOAT16:
- case MESA_FORMAT_INTENSITY_FLOAT16:
- *datatype = GL_HALF_FLOAT_ARB;
- *comps = 1;
- return;
-
- default:
- _mesa_problem(NULL, "bad format in _mesa_format_to_type_and_comps");
- *datatype = 0;
- *comps = 1;
- }
-}
-
-
-
-/**
- * Table to map MESA_FORMAT_ to texel fetch/store funcs.
- * XXX this is somewhat temporary.
- */
-static struct {
- GLuint Name;
- FetchTexelFuncF Fetch1D;
- FetchTexelFuncF Fetch2D;
- FetchTexelFuncF Fetch3D;
- StoreTexelFunc StoreTexel;
-}
-texfetch_funcs[MESA_FORMAT_COUNT] =
-{
- {
- MESA_FORMAT_RGBA,
- fetch_texel_1d_f_rgba,
- fetch_texel_2d_f_rgba,
- fetch_texel_3d_f_rgba,
- store_texel_rgba
- },
- {
- MESA_FORMAT_RGB,
- fetch_texel_1d_f_rgb,
- fetch_texel_2d_f_rgb,
- fetch_texel_3d_f_rgb,
- store_texel_rgb
- },
- {
- MESA_FORMAT_ALPHA,
- fetch_texel_1d_f_alpha,
- fetch_texel_2d_f_alpha,
- fetch_texel_3d_f_alpha,
- store_texel_alpha
- },
- {
- MESA_FORMAT_LUMINANCE,
- fetch_texel_1d_f_luminance,
- fetch_texel_2d_f_luminance,
- fetch_texel_3d_f_luminance,
- store_texel_luminance
- },
- {
- MESA_FORMAT_LUMINANCE_ALPHA,
- fetch_texel_1d_f_luminance_alpha,
- fetch_texel_2d_f_luminance_alpha,
- fetch_texel_3d_f_luminance_alpha,
- store_texel_luminance_alpha
- },
- {
- MESA_FORMAT_INTENSITY,
- fetch_texel_1d_f_intensity,
- fetch_texel_2d_f_intensity,
- fetch_texel_3d_f_intensity,
- store_texel_intensity
- },
- {
- 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_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_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_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_DUDV8,
- fetch_texel_1d_dudv8,
- fetch_texel_2d_dudv8,
- fetch_texel_3d_dudv8,
- NULL
- },
- {
- 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_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_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_RGBA4444,
- fetch_texel_1d_f_rgba4444,
- fetch_texel_2d_f_rgba4444,
- fetch_texel_3d_f_rgba4444,
- store_texel_rgba4444
- },
- {
- 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_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_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_L8,
- fetch_texel_1d_f_l8,
- fetch_texel_2d_f_l8,
- fetch_texel_3d_f_l8,
- store_texel_l8
- },
- {
- MESA_FORMAT_I8,
- fetch_texel_1d_f_i8,
- fetch_texel_2d_f_i8,
- fetch_texel_3d_f_i8,
- store_texel_i8
- },
- {
- MESA_FORMAT_CI8,
- fetch_texel_1d_f_ci8,
- fetch_texel_2d_f_ci8,
- fetch_texel_3d_f_ci8,
- store_texel_ci8
- },
- {
- MESA_FORMAT_YCBCR,
- fetch_texel_1d_f_ycbcr,
- fetch_texel_2d_f_ycbcr,
- fetch_texel_3d_f_ycbcr,
- store_texel_ycbcr
- },
- {
- MESA_FORMAT_YCBCR_REV,
- fetch_texel_1d_f_ycbcr_rev,
- fetch_texel_2d_f_ycbcr_rev,
- fetch_texel_3d_f_ycbcr_rev,
- store_texel_ycbcr_rev
- },
- {
- MESA_FORMAT_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_Z32,
- fetch_texel_1d_f_z32,
- fetch_texel_2d_f_z32,
- fetch_texel_3d_f_z32,
- store_texel_z32
+ if (ctx->Extensions.EXT_texture_integer) {
+ switch (internalFormat) {
+ case GL_RGBA32UI_EXT:
+ case GL_RGB32UI_EXT:
+ case GL_ALPHA32UI_EXT:
+ case GL_INTENSITY32UI_EXT:
+ case GL_LUMINANCE32UI_EXT:
+ case GL_LUMINANCE_ALPHA32UI_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
+ break;
+ case GL_RGBA16UI_EXT:
+ case GL_RGB16UI_EXT:
+ case GL_ALPHA16UI_EXT:
+ case GL_INTENSITY16UI_EXT:
+ case GL_LUMINANCE16UI_EXT:
+ case GL_LUMINANCE_ALPHA16UI_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
+ break;
+ case GL_RGBA8UI_EXT:
+ case GL_RGB8UI_EXT:
+ case GL_ALPHA8UI_EXT:
+ case GL_INTENSITY8UI_EXT:
+ case GL_LUMINANCE8UI_EXT:
+ case GL_LUMINANCE_ALPHA8UI_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
+ break;
+ case GL_RGBA32I_EXT:
+ case GL_RGB32I_EXT:
+ case GL_ALPHA32I_EXT:
+ case GL_INTENSITY32I_EXT:
+ case GL_LUMINANCE32I_EXT:
+ case GL_LUMINANCE_ALPHA32I_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
+ break;
+ case GL_RGBA16I_EXT:
+ case GL_RGB16I_EXT:
+ case GL_ALPHA16I_EXT:
+ case GL_INTENSITY16I_EXT:
+ case GL_LUMINANCE16I_EXT:
+ case GL_LUMINANCE_ALPHA16I_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
+ break;
+ case GL_RGBA8I_EXT:
+ case GL_RGB8I_EXT:
+ case GL_ALPHA8I_EXT:
+ case GL_INTENSITY8I_EXT:
+ case GL_LUMINANCE8I_EXT:
+ case GL_LUMINANCE_ALPHA8I_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
+ break;
+ }
}
-};
+ if (ctx->Extensions.ARB_texture_rg) {
+ switch (internalFormat) {
+ case GL_R8:
+ case GL_RED:
+ case GL_COMPRESSED_RED:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_R8);
+ break;
+
+ case GL_R16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_R16);
+ break;
+
+ case GL_RG:
+ case GL_RG8:
+ case GL_COMPRESSED_RG:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RG88);
+ break;
+
+ case GL_RG16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RG1616);
+ break;
-FetchTexelFuncF
-_mesa_get_texel_fetch_func(GLuint format, GLuint dims)
-{
- FetchTexelFuncF f;
- GLuint i;
- /* XXX replace loop with direct table lookup */
- for (i = 0; i < MESA_FORMAT_COUNT; i++) {
- if (texfetch_funcs[i].Name == format) {
- switch (dims) {
- case 1:
- f = texfetch_funcs[i].Fetch1D;
- break;
- case 2:
- f = texfetch_funcs[i].Fetch2D;
- break;
- case 3:
- f = texfetch_funcs[i].Fetch3D;
- break;
- }
- if (!f)
- f = fetch_null_texelf;
- return f;
+ default:
+ ; /* fallthrough */
}
}
- return NULL;
-}
+ if (ctx->Extensions.EXT_texture_format_BGRA8888) {
+ switch (internalFormat) {
+ case GL_BGRA:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
-StoreTexelFunc
-_mesa_get_texel_store_func(GLuint format)
-{
- GLuint i;
- /* XXX replace loop with direct table lookup */
- for (i = 0; i < MESA_FORMAT_COUNT; i++) {
- if (texfetch_funcs[i].Name == format) {
- if (texfetch_funcs[i].StoreTexel)
- return texfetch_funcs[i].StoreTexel;
- else
- return store_null_texel;
+ default:
+ ; /* fallthrough */
}
}
- return NULL;
+
+ _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
+ return MESA_FORMAT_NONE;
}
+
projects / mesa.git / blobdiff