| /* |
| * 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 "enums.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, GLenum target, |
| 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_RGB565); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV); |
| 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; |
| |
| 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_X8_Z24); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24); |
| break; |
| case GL_DEPTH_COMPONENT16: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_Z16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_X8_Z24); |
| 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: |
| /* We don't use texture compression for 1D and 1D array textures. |
| * For 1D textures, compressions doesn't buy us much. |
| * For 1D ARRAY textures, there's complicated issues with updating |
| * sub-regions on non-block boundaries with glCopyTexSubImage, among |
| * other issues. FWIW, the GL_EXT_texture_array extension prohibits |
| * 1D ARRAY textures in S3TC format. |
| */ |
| if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY) { |
| 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: |
| /* We don't use texture compression for 1D and 1D array textures. */ |
| if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY) { |
| 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.ARB_ES2_compatibility) { |
| switch (internalFormat) { |
| case GL_RGB565: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565); |
| 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); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| break; |
| case GL_ALPHA32F_ARB: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| break; |
| case GL_LUMINANCE16F_ARB: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| break; |
| case GL_LUMINANCE32F_ARB: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| break; |
| case GL_LUMINANCE_ALPHA16F_ARB: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| break; |
| case GL_LUMINANCE_ALPHA32F_ARB: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| break; |
| case GL_INTENSITY16F_ARB: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| break; |
| case GL_INTENSITY32F_ARB: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| break; |
| case GL_RGB16F_ARB: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| break; |
| case GL_RGB32F_ARB: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| break; |
| case GL_RGBA16F_ARB: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| break; |
| case GL_RGBA32F_ARB: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| break; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_texture_shared_exponent) { |
| switch (internalFormat) { |
| case GL_RGB9_E5: |
| ASSERT(ctx->TextureFormatSupported[MESA_FORMAT_RGB9_E5_FLOAT]); |
| return MESA_FORMAT_RGB9_E5_FLOAT; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_packed_float) { |
| switch (internalFormat) { |
| case GL_R11F_G11F_B10F: |
| ASSERT(ctx->TextureFormatSupported[MESA_FORMAT_R11_G11_B10_FLOAT]); |
| return MESA_FORMAT_R11_G11_B10_FLOAT; |
| 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.ARB_depth_buffer_float) { |
| switch (internalFormat) { |
| case GL_DEPTH_COMPONENT32F: |
| ASSERT(ctx->TextureFormatSupported[MESA_FORMAT_Z32_FLOAT]); |
| return MESA_FORMAT_Z32_FLOAT; |
| case GL_DEPTH32F_STENCIL8: |
| ASSERT(ctx->TextureFormatSupported[MESA_FORMAT_Z32_FLOAT_X24S8]); |
| return MESA_FORMAT_Z32_FLOAT_X24S8; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ATI_envmap_bumpmap) { |
| switch (internalFormat) { |
| case GL_DUDV_ATI: |
| case GL_DU8DV8_ATI: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_DUDV8); |
| break; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_texture_snorm) { |
| 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_REV); |
| break; |
| case GL_RGB_SNORM: |
| case GL_RGB8_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888); |
| /* FALLTHROUGH */ |
| case GL_RGBA_SNORM: |
| case GL_RGBA8_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); |
| break; |
| case GL_ALPHA_SNORM: |
| case GL_ALPHA8_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_A8); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); |
| break; |
| case GL_LUMINANCE_SNORM: |
| case GL_LUMINANCE8_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L8); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); |
| break; |
| case GL_LUMINANCE_ALPHA_SNORM: |
| case GL_LUMINANCE8_ALPHA8_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_AL88); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); |
| break; |
| case GL_INTENSITY_SNORM: |
| case GL_INTENSITY8_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_I8); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); |
| break; |
| case GL_R16_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R16); |
| break; |
| case GL_RG16_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_GR1616); |
| break; |
| case GL_RGB16_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGB_16); |
| /* FALLTHROUGH */ |
| case GL_RGBA16_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); |
| break; |
| case GL_ALPHA16_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_A16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); |
| break; |
| case GL_LUMINANCE16_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L16); |
| /* FALLTHROUGH */ |
| case GL_LUMINANCE16_ALPHA16_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_AL1616); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); |
| break; |
| case GL_INTENSITY16_SNORM: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_I16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); |
| 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_ALPHA8UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_UINT8); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8); |
| break; |
| case GL_ALPHA16UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_UINT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16); |
| break; |
| case GL_ALPHA32UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_UINT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32); |
| break; |
| case GL_ALPHA8I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_INT8); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8); |
| break; |
| case GL_ALPHA16I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_INT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16); |
| break; |
| case GL_ALPHA32I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_INT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32); |
| break; |
| case GL_LUMINANCE8UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_UINT8); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8); |
| break; |
| case GL_LUMINANCE16UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_UINT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16); |
| break; |
| case GL_LUMINANCE32UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_UINT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32); |
| break; |
| case GL_LUMINANCE8I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_INT8); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8); |
| break; |
| case GL_LUMINANCE16I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_INT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16); |
| break; |
| case GL_LUMINANCE32I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_INT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32); |
| break; |
| case GL_LUMINANCE_ALPHA8UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_UINT8); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8); |
| break; |
| case GL_LUMINANCE_ALPHA16UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_UINT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16); |
| break; |
| case GL_LUMINANCE_ALPHA32UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_UINT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32); |
| break; |
| case GL_LUMINANCE_ALPHA8I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_INT8); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8); |
| break; |
| case GL_LUMINANCE_ALPHA16I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_INT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16); |
| break; |
| case GL_LUMINANCE_ALPHA32I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_INT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32); |
| break; |
| case GL_INTENSITY8UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_UINT8); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8); |
| break; |
| case GL_INTENSITY16UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_UINT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16); |
| break; |
| case GL_INTENSITY32UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_UINT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32); |
| break; |
| case GL_INTENSITY8I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_INT8); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8); |
| break; |
| case GL_INTENSITY16I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_INT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16); |
| break; |
| case GL_INTENSITY32I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_INT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32); |
| break; |
| } |
| } |
| |
| if (ctx->Version >= 30 || |
| ctx->Extensions.EXT_texture_integer) { |
| switch (internalFormat) { |
| case GL_RGB8UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT8); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8); |
| break; |
| case GL_RGB16UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16); |
| break; |
| case GL_RGB32UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32); |
| break; |
| case GL_RGB8I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT8); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8); |
| break; |
| case GL_RGB16I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16); |
| break; |
| case GL_RGB32I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_INT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32); |
| break; |
| case GL_RGBA8UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8); |
| break; |
| case GL_RGBA16UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16); |
| break; |
| case GL_RGBA32UI_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32); |
| break; |
| case GL_RGBA8I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8); |
| break; |
| case GL_RGBA16I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16); |
| break; |
| case GL_RGBA32I_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32); |
| break; |
| } |
| } |
| |
| if (ctx->Extensions.ARB_texture_rg) { |
| switch (internalFormat) { |
| case GL_R8: |
| case GL_RED: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R8); |
| break; |
| |
| case GL_COMPRESSED_RED: |
| if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY) |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RED_RGTC1); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R8); |
| break; |
| |
| case GL_R16: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R16); |
| break; |
| |
| case GL_RG: |
| case GL_RG8: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_GR88); |
| break; |
| |
| case GL_COMPRESSED_RG: |
| if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY) |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_GR88); |
| break; |
| |
| case GL_RG16: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG1616); |
| break; |
| |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ARB_texture_rg && ctx->Extensions.ARB_texture_float) { |
| switch (internalFormat) { |
| case GL_R16F: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| break; |
| case GL_R32F: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| break; |
| case GL_RG16F: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| break; |
| case GL_RG32F: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_FLOAT16); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); |
| break; |
| |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Version >= 30 || |
| (ctx->Extensions.ARB_texture_rg && |
| ctx->Extensions.EXT_texture_integer)) { |
| switch (internalFormat) { |
| case GL_R8UI: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT8); |
| break; |
| case GL_RG8UI: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT8); |
| break; |
| case GL_R16UI: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT16); |
| break; |
| case GL_RG16UI: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT16); |
| break; |
| case GL_R32UI: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R_UINT32); |
| break; |
| case GL_RG32UI: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UINT32); |
| break; |
| case GL_R8I: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R_INT8); |
| break; |
| case GL_RG8I: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_INT8); |
| break; |
| case GL_R16I: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R_INT16); |
| break; |
| case GL_RG16I: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_INT16); |
| break; |
| case GL_R32I: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R_INT32); |
| break; |
| case GL_RG32I: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_INT32); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| if (ctx->Extensions.ARB_texture_rgb10_a2ui) { |
| switch (internalFormat) { |
| case GL_RGB10_A2UI: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010_UINT); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_ABGR2101010_UINT); |
| break; |
| default: |
| break; |
| } |
| } |
| /* GL_BGRA can be an internal format *only* in OpenGL ES (1.x or 2.0). |
| */ |
| if (_mesa_is_gles(ctx)) { |
| switch (internalFormat) { |
| case GL_BGRA: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); |
| break; |
| |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ARB_texture_compression_rgtc) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_RED_RGTC1: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RED_RGTC1); |
| break; |
| case GL_COMPRESSED_SIGNED_RED_RGTC1: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RED_RGTC1); |
| break; |
| case GL_COMPRESSED_RG_RGTC2: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2); |
| break; |
| case GL_COMPRESSED_SIGNED_RG_RGTC2: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG_RGTC2); |
| break; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_texture_compression_latc) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_LUMINANCE_LATC1_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_L_LATC1); |
| break; |
| case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L_LATC1); |
| break; |
| case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LA_LATC2); |
| break; |
| case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_LA_LATC2); |
| break; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ATI_texture_compression_3dc) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_LA_LATC2); |
| break; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.OES_compressed_ETC1_RGB8_texture) { |
| switch (internalFormat) { |
| case GL_ETC1_RGB8_OES: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_ETC1_RGB8); |
| break; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| _mesa_problem(ctx, "unexpected format %s in _mesa_choose_tex_format()", |
| _mesa_lookup_enum_by_nr(internalFormat)); |
| return MESA_FORMAT_NONE; |
| } |
| |
