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-rw-r--r--mesalib/src/mesa/main/extensions.c114
-rw-r--r--mesalib/src/mesa/main/mtypes.h19
-rw-r--r--mesalib/src/mesa/main/texformat.c1205
3 files changed, 679 insertions, 659 deletions
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index 7d15e3a50..aaef337ac 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -250,6 +250,7 @@ static const struct extension extension_table[] = {
/* Vendor extensions */
{ "GL_3DFX_texture_compression_FXT1", o(TDFX_texture_compression_FXT1), GL },
+ { "GL_AMD_conservative_depth", o(AMD_conservative_depth), GL | ES2 },
{ "GL_APPLE_client_storage", o(APPLE_client_storage), GL },
{ "GL_APPLE_object_purgeable", o(APPLE_object_purgeable), GL },
{ "GL_APPLE_packed_pixels", o(APPLE_packed_pixels), GL },
@@ -730,78 +731,67 @@ _mesa_extension_is_enabled( struct gl_context *ctx, const char *name )
/**
- * Append string 'b' onto string 'a'. Free 'a' and return new string.
- */
-static char *
-append(const char *a, const char *b)
-{
- const GLuint aLen = a ? strlen(a) : 0;
- const GLuint bLen = b ? strlen(b) : 0;
- char *s = calloc(1, aLen + bLen + 1);
- if (s) {
- if (a)
- memcpy(s, a, aLen);
- if (b)
- memcpy(s + aLen, b, bLen);
- s[aLen + bLen] = '\0';
- }
- if (a)
- free((void *) a);
- return s;
-}
-
-
-/**
- * Check the MESA_EXTENSION_OVERRIDE env var.
- * For extension names that are recognized, turn them on. For extension
- * names that are recognized and prefixed with '-', turn them off.
- * Return a string of the unknown/leftover names.
+ * \brief Apply the \c MESA_EXTENSION_OVERRIDE environment variable.
+ *
+ * \c MESA_EXTENSION_OVERRIDE is a space-separated list of extensions to
+ * enable or disable. The list is processed thus:
+ * - Enable recognized extension names that are prefixed with '+'.
+ * - Disable recognized extension names that are prefixed with '-'.
+ * - Enable recognized extension names that are not prefixed.
+ * - Collect unrecognized extension names in a new string.
*
- * Returnd string needs to be freed.
+ * \return Space-separated list of unrecognized extension names (which must
+ * be freed). Does not return \c NULL.
*/
static char *
get_extension_override( struct gl_context *ctx )
{
- const char *envExt = _mesa_getenv("MESA_EXTENSION_OVERRIDE");
- char *extraExt = NULL;
- char ext[1000];
- GLuint extLen = 0;
- GLuint i;
- GLboolean disableExt = GL_FALSE;
-
- if (!envExt)
- return NULL;
+ const char *env_const= _mesa_getenv("MESA_EXTENSION_OVERRIDE");
+ char *env;
+ char *ext;
+ char *extra_exts;
+ int len;
+
+ if (env_const == NULL) {
+ /* Return the empty string rather than NULL. This simplifies the logic
+ * of client functions. */
+ return calloc(1, sizeof(char));
+ }
- for (i = 0; ; i++) {
- if (envExt[i] == '\0' || envExt[i] == ' ') {
- /* terminate/process 'ext' if extLen > 0 */
- if (extLen > 0) {
- assert(extLen < sizeof(ext));
- /* enable extension named by 'ext' */
- ext[extLen] = 0;
- if (!set_extension(ctx, ext, !disableExt)) {
- /* unknown extension name, append it to extraExt */
- if (extraExt) {
- extraExt = append(extraExt, " ");
- }
- extraExt = append(extraExt, ext);
- }
- extLen = 0;
- disableExt = GL_FALSE;
- }
- if (envExt[i] == '\0')
- break;
- }
- else if (envExt[i] == '-') {
- disableExt = GL_TRUE;
+ /* extra_exts: List of unrecognized extensions. */
+ extra_exts = calloc(strlen(env_const), sizeof(char));
+
+ /* Copy env_const because strtok() is destructive. */
+ env = strdup(env_const);
+ for (ext = strtok(env, " "); ext != NULL; ext = strtok(NULL, " ")) {
+ int enable;
+ int recognized;
+ switch (ext[0]) {
+ case '+':
+ enable = 1;
+ ++ext;
+ break;
+ case '-':
+ enable = 0;
+ ++ext;
+ break;
+ default:
+ enable = 1;
+ break;
}
- else {
- /* accumulate this non-space character */
- ext[extLen++] = envExt[i];
+ recognized = set_extension(ctx, ext, enable);
+ if (!recognized) {
+ strcat(extra_exts, ext);
+ strcat(extra_exts, " ");
}
}
- return extraExt;
+ /* Remove trailing space. */
+ len = strlen(extra_exts);
+ if (extra_exts[len - 1] == ' ')
+ extra_exts[len - 1] = '\0';
+
+ return extra_exts;
}
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 4a039338d..37f39ceef 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -867,6 +867,23 @@ struct gl_fog_attrib
};
+/**
+ * \brief Layout qualifiers for gl_FragDepth.
+ *
+ * Extension AMD_conservative_depth allows gl_FragDepth to be redeclared with
+ * a layout qualifier.
+ *
+ * \see enum ir_depth_layout
+ */
+enum gl_frag_depth_layout {
+ FRAG_DEPTH_LAYOUT_NONE, /**< No layout is specified. */
+ FRAG_DEPTH_LAYOUT_ANY,
+ FRAG_DEPTH_LAYOUT_GREATER,
+ FRAG_DEPTH_LAYOUT_LESS,
+ FRAG_DEPTH_LAYOUT_UNCHANGED
+};
+
+
/**
* Hint attribute group (GL_HINT_BIT).
*
@@ -1889,6 +1906,7 @@ struct gl_fragment_program
GLboolean UsesKill; /**< shader uses KIL instruction */
GLboolean OriginUpperLeft;
GLboolean PixelCenterInteger;
+ enum gl_frag_depth_layout FragDepthLayout;
};
@@ -2824,6 +2842,7 @@ struct gl_extensions
GLboolean EXT_vertex_array_set;
GLboolean OES_standard_derivatives;
/* vendor extensions */
+ GLboolean AMD_conservative_depth;
GLboolean APPLE_client_storage;
GLboolean APPLE_packed_pixels;
GLboolean APPLE_vertex_array_object;
diff --git a/mesalib/src/mesa/main/texformat.c b/mesalib/src/mesa/main/texformat.c
index 325fb9ebc..2542cea85 100644
--- a/mesalib/src/mesa/main/texformat.c
+++ b/mesalib/src/mesa/main/texformat.c
@@ -1,597 +1,608 @@
-/*
- * 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 texformat.c
- * Texture formats.
- *
- * \author Gareth Hughes
- * \author Brian Paul
- */
-
-
-#include "context.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-#include "texcompress.h"
-#include "texformat.h"
-
-#define RETURN_IF_SUPPORTED(f) do { \
- if (ctx->TextureFormatSupported[f]) \
- return f; \
-} while (0)
-
-/**
- * Choose an appropriate texture format given the format, type and
- * internalFormat parameters passed to glTexImage().
- *
- * \param ctx the GL context.
- * \param internalFormat user's prefered internal texture format.
- * \param format incoming image pixel format.
- * \param type incoming image data type.
- *
- * \return a pointer to a gl_texture_format object which describes the
- * choosen texture format, or NULL on failure.
- *
- * This is called via dd_function_table::ChooseTextureFormat. Hardware drivers
- * will typically override this function with a specialized version.
- */
-gl_format
-_mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
- GLenum format, GLenum type )
-{
- (void) format;
- (void) type;
-
- switch (internalFormat) {
- /* shallow RGBA formats */
- case 4:
- case GL_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_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
- break;
- case GL_RGB5_A1:
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
- break;
- case GL_RGBA2:
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444_REV); /* just to test another format*/
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
- break;
- case GL_RGBA4:
- 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;
-
- /* shallow RGB formats */
- case 3:
- case GL_RGB:
- case GL_RGB8:
- 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_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_IF_SUPPORTED(MESA_FORMAT_RGB565_REV); /* just to test another format */
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
- break;
- case GL_RGB5:
- 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_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_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_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_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_IF_SUPPORTED(MESA_FORMAT_I16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
- break;
-
- case GL_COLOR_INDEX:
- case GL_COLOR_INDEX1_EXT:
- case GL_COLOR_INDEX2_EXT:
- case GL_COLOR_INDEX4_EXT:
- case GL_COLOR_INDEX12_EXT:
- case GL_COLOR_INDEX16_EXT:
- case GL_COLOR_INDEX8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_CI8);
- break;
-
- default:
- ; /* fallthrough */
- }
-
- if (ctx->Extensions.ARB_depth_texture) {
- switch (internalFormat) {
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
- RETURN_IF_SUPPORTED(MESA_FORMAT_Z32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
- break;
- case GL_DEPTH_COMPONENT16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_Z16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
- default:
- ; /* fallthrough */
- }
- }
-
- switch (internalFormat) {
- case GL_COMPRESSED_ALPHA_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
- break;
- case GL_COMPRESSED_LUMINANCE_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
- break;
- case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
- break;
- case GL_COMPRESSED_INTENSITY_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
- break;
- case GL_COMPRESSED_RGB_ARB:
- if (ctx->Extensions.EXT_texture_compression_s3tc ||
- ctx->Extensions.S3_s3tc)
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
- if (ctx->Extensions.TDFX_texture_compression_FXT1)
- 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_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_IF_SUPPORTED(MESA_FORMAT_YCBCR);
- else
- RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV);
- }
- }
-
-#if FEATURE_texture_fxt1
- if (ctx->Extensions.TDFX_texture_compression_FXT1) {
- switch (internalFormat) {
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
- break;
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
- break;
- default:
- ; /* fallthrough */
- }
- }
-#endif
-
-#if FEATURE_texture_s3tc
- if (ctx->Extensions.EXT_texture_compression_s3tc) {
- switch (internalFormat) {
- case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
- break;
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT1);
- break;
- case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
- break;
- case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT5);
- break;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.S3_s3tc) {
- switch (internalFormat) {
- case GL_RGB_S3TC:
- case GL_RGB4_S3TC:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
- break;
- case GL_RGBA_S3TC:
- case GL_RGBA4_S3TC:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
- break;
- default:
- ; /* fallthrough */
- }
- }
-#endif
-
- if (ctx->Extensions.ARB_texture_float) {
- switch (internalFormat) {
- case GL_ALPHA16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16);
- break;
- case GL_ALPHA32F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
- break;
- case GL_LUMINANCE16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
- break;
- case GL_LUMINANCE32F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
- break;
- case GL_LUMINANCE_ALPHA16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
- break;
- case GL_LUMINANCE_ALPHA32F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
- break;
- case GL_INTENSITY16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
- break;
- case GL_INTENSITY32F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
- break;
- case GL_RGB16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
- break;
- case GL_RGB32F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
- break;
- case GL_RGBA16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
- break;
- case GL_RGBA32F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
- break;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_packed_depth_stencil) {
- switch (internalFormat) {
- case GL_DEPTH_STENCIL_EXT:
- case GL_DEPTH24_STENCIL8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_S8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
- break;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ATI_envmap_bumpmap) {
- switch (internalFormat) {
- case GL_DUDV_ATI:
- case GL_DU8DV8_ATI:
- RETURN_IF_SUPPORTED(MESA_FORMAT_DUDV8);
- break;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.MESA_texture_signed_rgba) {
- switch (internalFormat) {
- case GL_RGBA_SNORM:
- case GL_RGBA8_SNORM:
- 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_IF_SUPPORTED(MESA_FORMAT_SRGB8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_SRGB_ALPHA_EXT:
- case GL_SRGB8_ALPHA8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_SLUMINANCE_EXT:
- case GL_SLUMINANCE8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_SLUMINANCE_ALPHA_EXT:
- case GL_SLUMINANCE8_ALPHA8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_COMPRESSED_SLUMINANCE_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
- 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_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
-#endif
- 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_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); /* Not srgba_dxt1, see spec */
-#endif
- 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_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_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_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_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT5);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
-#endif
- default:
- ; /* fallthrough */
- }
- }
-#endif /* FEATURE_EXT_texture_sRGB */
-
- 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;
-
- default:
- ; /* fallthrough */
- }
- }
-
- _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
- return MESA_FORMAT_NONE;
-}
-
+/*
+ * 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 texformat.c
+ * Texture formats.
+ *
+ * \author Gareth Hughes
+ * \author Brian Paul
+ */
+
+
+#include "context.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+#include "texcompress.h"
+#include "texformat.h"
+
+#define RETURN_IF_SUPPORTED(f) do { \
+ if (ctx->TextureFormatSupported[f]) \
+ return f; \
+} while (0)
+
+/**
+ * Choose an appropriate texture format given the format, type and
+ * internalFormat parameters passed to glTexImage().
+ *
+ * \param ctx the GL context.
+ * \param internalFormat user's prefered internal texture format.
+ * \param format incoming image pixel format.
+ * \param type incoming image data type.
+ *
+ * \return a pointer to a gl_texture_format object which describes the
+ * choosen texture format, or NULL on failure.
+ *
+ * This is called via dd_function_table::ChooseTextureFormat. Hardware drivers
+ * will typically override this function with a specialized version.
+ */
+gl_format
+_mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
+ GLenum format, GLenum type )
+{
+ (void) format;
+ (void) type;
+
+ switch (internalFormat) {
+ /* shallow RGBA formats */
+ case 4:
+ case GL_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_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+ case GL_RGB5_A1:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
+ break;
+ case GL_RGBA2:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444_REV); /* just to test another format*/
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
+ break;
+ case GL_RGBA4:
+ 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;
+
+ /* shallow RGB formats */
+ case 3:
+ case GL_RGB:
+ case GL_RGB8:
+ 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_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_IF_SUPPORTED(MESA_FORMAT_RGB565_REV); /* just to test another format */
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
+ break;
+ case GL_RGB5:
+ 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_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_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_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_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_IF_SUPPORTED(MESA_FORMAT_I16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
+ break;
+
+ case GL_COLOR_INDEX:
+ case GL_COLOR_INDEX1_EXT:
+ case GL_COLOR_INDEX2_EXT:
+ case GL_COLOR_INDEX4_EXT:
+ case GL_COLOR_INDEX12_EXT:
+ case GL_COLOR_INDEX16_EXT:
+ case GL_COLOR_INDEX8_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_CI8);
+ break;
+
+ default:
+ ; /* fallthrough */
+ }
+
+ if (ctx->Extensions.ARB_depth_texture) {
+ switch (internalFormat) {
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH_COMPONENT32:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_Z32);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
+ break;
+ case GL_DEPTH_COMPONENT16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_Z16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ switch (internalFormat) {
+ case GL_COMPRESSED_ALPHA_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
+ break;
+ case GL_COMPRESSED_LUMINANCE_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
+ break;
+ case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
+ break;
+ case GL_COMPRESSED_INTENSITY_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
+ break;
+ case GL_COMPRESSED_RGB_ARB:
+ if (ctx->Extensions.EXT_texture_compression_s3tc ||
+ ctx->Extensions.S3_s3tc)
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
+ if (ctx->Extensions.TDFX_texture_compression_FXT1)
+ 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_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_IF_SUPPORTED(MESA_FORMAT_YCBCR);
+ else
+ RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV);
+ }
+ }
+
+#if FEATURE_texture_fxt1
+ if (ctx->Extensions.TDFX_texture_compression_FXT1) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_RGB_FXT1_3DFX:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
+ break;
+ case GL_COMPRESSED_RGBA_FXT1_3DFX:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+#endif
+
+#if FEATURE_texture_s3tc
+ if (ctx->Extensions.EXT_texture_compression_s3tc) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
+ break;
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT1);
+ break;
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
+ break;
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT5);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.S3_s3tc) {
+ switch (internalFormat) {
+ case GL_RGB_S3TC:
+ case GL_RGB4_S3TC:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
+ break;
+ case GL_RGBA_S3TC:
+ case GL_RGBA4_S3TC:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+#endif
+
+ if (ctx->Extensions.ARB_texture_float) {
+ switch (internalFormat) {
+ case GL_ALPHA16F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16);
+ break;
+ case GL_ALPHA32F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
+ break;
+ case GL_LUMINANCE16F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
+ break;
+ case GL_LUMINANCE32F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
+ break;
+ case GL_LUMINANCE_ALPHA16F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
+ break;
+ case GL_LUMINANCE_ALPHA32F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
+ break;
+ case GL_INTENSITY16F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
+ break;
+ case GL_INTENSITY32F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
+ break;
+ case GL_RGB16F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
+ break;
+ case GL_RGB32F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
+ break;
+ case GL_RGBA16F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
+ break;
+ case GL_RGBA32F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.EXT_packed_depth_stencil) {
+ switch (internalFormat) {
+ case GL_DEPTH_STENCIL_EXT:
+ case GL_DEPTH24_STENCIL8_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_S8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.ATI_envmap_bumpmap) {
+ switch (internalFormat) {
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_DUDV8);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.MESA_texture_signed_rgba) {
+ switch (internalFormat) {
+ case GL_RGBA_SNORM:
+ case GL_RGBA8_SNORM:
+ 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_IF_SUPPORTED(MESA_FORMAT_SRGB8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_SRGB_ALPHA_EXT:
+ case GL_SRGB8_ALPHA8_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_SLUMINANCE_EXT:
+ case GL_SLUMINANCE8_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_SLUMINANCE_ALPHA_EXT:
+ case GL_SLUMINANCE8_ALPHA8_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_COMPRESSED_SLUMINANCE_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
+ 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_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
+#endif
+ 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_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); /* Not srgba_dxt1, see spec */
+#endif
+ 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_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_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_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_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT5);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+#endif
+ default:
+ ; /* fallthrough */
+ }
+ }
+#endif /* FEATURE_EXT_texture_sRGB */
+
+ 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;
+
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.EXT_texture_format_BGRA8888) {
+ switch (internalFormat) {
+ case GL_BGRA:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
+ return MESA_FORMAT_NONE;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 08:45:06 +0000