+++ /dev/null
-/*
- * Mesa 3-D graphics library
- *
- * 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
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file texformat.c
- * Texture formats.
- *
- * \author Gareth Hughes
- * \author Brian Paul
- */
-
-
-#include "context.h"
-#include "enums.h"
-#include "mtypes.h"
-#include "texcompress.h"
-#include "texformat.h"
-#include "glformats.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 target a texture target (GL_TEXTURE_x)
- * \param internalFormat user's prefered internal texture format.
- * \param format incoming image pixel format.
- * \param type incoming image data type.
- *
- * \return the closest mesa_format for the given format/type arguments
- *
- * This is called via dd_function_table::ChooseTextureFormat. Hardware
- * drivers may override this function with a specialized version.
- */
-mesa_format
-_mesa_choose_tex_format(struct gl_context *ctx, GLenum target,
- GLint internalFormat, GLenum format, GLenum type)
-{
- (void) format;
-
- 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_B4G4R4A4_UNORM);
- } else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
- RETURN_IF_SUPPORTED(MESA_FORMAT_B5G5R5A1_UNORM);
- } else if (type == GL_UNSIGNED_SHORT_5_5_5_1) {
- RETURN_IF_SUPPORTED(MESA_FORMAT_B5G5R5A1_UNORM);
- } else if (type == GL_UNSIGNED_INT_2_10_10_10_REV) {
- RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UNORM);
- }
- FALLTHROUGH;
-
- case GL_RGBA8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
- break;
- case GL_RGB5_A1:
- RETURN_IF_SUPPORTED(MESA_FORMAT_B5G5R5A1_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A1B5G5R5_UNORM);
- break;
- case GL_RGBA2:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A4R4G4B4_UNORM); /* just to test another format*/
- RETURN_IF_SUPPORTED(MESA_FORMAT_B4G4R4A4_UNORM);
- break;
- case GL_RGBA4:
- RETURN_IF_SUPPORTED(MESA_FORMAT_B4G4R4A4_UNORM);
- break;
-
- /* deep RGBA formats */
- case GL_RGB10_A2:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R10G10B10A2_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
- break;
- case GL_RGBA12:
- case GL_RGBA16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
- break;
-
- /* shallow RGB formats */
- case 3:
- case GL_RGB:
- if (type == GL_UNSIGNED_INT_2_10_10_10_REV) {
- RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UNORM);
- }
- if (type == GL_UNSIGNED_SHORT_5_6_5) {
- RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
- }
- FALLTHROUGH;
- case GL_RGB8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UNORM8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8X8_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_UNORM);
-
- RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
- break;
- case GL_R3_G3_B2:
- RETURN_IF_SUPPORTED(MESA_FORMAT_B2G3R3_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R5G6B5_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
- break;
- case GL_RGB4:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R5G6B5_UNORM); /* just to test another format */
- RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
- break;
- case GL_RGB5:
- RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
- break;
-
- /* deep RGB formats */
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_UNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
- break;
-
- /* Alpha formats */
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UNORM8);
- break;
-
- case GL_ALPHA12:
- case GL_ALPHA16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UNORM8);
- break;
-
- /* Luminance formats */
- case 1:
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8);
- break;
-
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8);
- break;
-
- /* Luminance/Alpha formats */
- case GL_LUMINANCE4_ALPHA4:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L4A4_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UNORM8);
- break;
-
- case 2:
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UNORM8);
- break;
-
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UNORM8);
- break;
-
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8);
- break;
-
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8);
- break;
-
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
- RETURN_IF_SUPPORTED(MESA_FORMAT_Z_UNORM32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_X8_UINT);
- RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT);
- break;
- case GL_DEPTH_COMPONENT16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_Z_UNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_X8_UINT);
- RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT);
- break;
-
- case GL_COMPRESSED_ALPHA_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_UNORM8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UNORM8);
- break;
- case GL_COMPRESSED_LUMINANCE_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_UNORM8);
- break;
- case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UNORM8);
- break;
- case GL_COMPRESSED_INTENSITY_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_UNORM8);
- 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) {
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
- }
- RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_UNORM8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8X8_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
- 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) {
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); /* Not rgba_dxt1, see spec */
- }
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
- break;
-
- case GL_RGB565:
- RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
- break;
-
- case 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);
- break;
-
- case GL_ALPHA16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_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_A_FLOAT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_FLOAT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
- break;
- case GL_LUMINANCE16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_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_L_FLOAT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_FLOAT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
- break;
- case GL_LUMINANCE_ALPHA16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_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_LA_FLOAT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_FLOAT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
- break;
- case GL_INTENSITY16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_FLOAT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_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_I_FLOAT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_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_RGBX_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_RGBX_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;
-
- case GL_RGB9_E5:
- /* GL_EXT_texture_shared_exponent -- just one format to support */
- assert(ctx->TextureFormatSupported[MESA_FORMAT_R9G9B9E5_FLOAT]);
- return MESA_FORMAT_R9G9B9E5_FLOAT;
-
- case GL_R11F_G11F_B10F:
- /* GL_EXT_texture_packed_float -- just one format to support */
- assert(ctx->TextureFormatSupported[MESA_FORMAT_R11G11B10_FLOAT]);
- return MESA_FORMAT_R11G11B10_FLOAT;
-
- case GL_DEPTH_STENCIL_EXT:
- case GL_DEPTH24_STENCIL8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_S8_UINT_Z24_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_UNORM_S8_UINT);
- break;
-
- case GL_DEPTH_COMPONENT32F:
- assert(ctx->TextureFormatSupported[MESA_FORMAT_Z_FLOAT32]);
- return MESA_FORMAT_Z_FLOAT32;
- case GL_DEPTH32F_STENCIL8:
- assert(ctx->TextureFormatSupported[MESA_FORMAT_Z32_FLOAT_S8X24_UINT]);
- return MESA_FORMAT_Z32_FLOAT_S8X24_UINT;
-
- case GL_RED_SNORM:
- case GL_R8_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R_SNORM8);
- break;
- case GL_RG_SNORM:
- case GL_RG8_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SNORM8);
- break;
- case GL_RGB_SNORM:
- case GL_RGB8_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8X8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_X8B8G8R8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
- break;
- case GL_RGBA_SNORM:
- case GL_RGBA8_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
- break;
- case GL_ALPHA_SNORM:
- case GL_ALPHA8_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_SNORM8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
- break;
- case GL_LUMINANCE_SNORM:
- case GL_LUMINANCE8_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_SNORM8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_X8B8G8R8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
- break;
- case GL_LUMINANCE_ALPHA_SNORM:
- case GL_LUMINANCE8_ALPHA8_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SNORM8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
- break;
- case GL_INTENSITY_SNORM:
- case GL_INTENSITY8_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_SNORM8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
- break;
- case GL_R16_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R_SNORM16);
- break;
- case GL_RG16_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SNORM16);
- break;
- case GL_RGB16_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SNORM16);
- FALLTHROUGH;
- case GL_RGBA16_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
- break;
- case GL_ALPHA16_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_SNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
- break;
- case GL_LUMINANCE16_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_SNORM16);
- FALLTHROUGH;
- case GL_LUMINANCE16_ALPHA16_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
- break;
- case GL_INTENSITY16_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_SNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SNORM16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SNORM);
- break;
-
- case GL_SRGB_EXT:
- case GL_SRGB8_EXT:
- /* there is no MESA_FORMAT_RGB_SRGB8 */
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8X8_SRGB);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SRGB);
-
- RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_SRGB8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
-
- RETURN_IF_SUPPORTED(MESA_FORMAT_X8B8G8R8_SRGB);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
- break;
- case GL_SRGB_ALPHA_EXT:
- case GL_SRGB8_ALPHA8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8G8B8A8_SRGB);
-
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SRGB);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
- break;
- case GL_SR8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R_SRGB8);
- break;
- case GL_SRG8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SRGB8);
- break;
- case GL_SLUMINANCE_EXT:
- case GL_SLUMINANCE8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_SRGB8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
- break;
- case GL_SLUMINANCE_ALPHA_EXT:
- case GL_SLUMINANCE8_ALPHA8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SRGB8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
- break;
- case GL_COMPRESSED_SLUMINANCE_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_SRGB8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
- break;
- case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SRGB8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
- break;
- case GL_COMPRESSED_SRGB_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
- RETURN_IF_SUPPORTED(MESA_FORMAT_BGR_SRGB8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
- break;
- case GL_COMPRESSED_SRGB_ALPHA_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); /* Not srgba_dxt1, see spec */
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8B8G8R8_SRGB);
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB);
- break;
-
- case GL_ALPHA8UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
- break;
- case GL_ALPHA16UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
- break;
- case GL_ALPHA32UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_UINT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
- break;
- case GL_ALPHA8I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
- break;
- case GL_ALPHA16I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
- break;
- case GL_ALPHA32I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A_SINT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
- break;
- case GL_LUMINANCE8UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
- break;
- case GL_LUMINANCE16UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
- break;
- case GL_LUMINANCE32UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_UINT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
- break;
- case GL_LUMINANCE8I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
- break;
- case GL_LUMINANCE16I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
- break;
- case GL_LUMINANCE32I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_SINT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
- break;
- case GL_LUMINANCE_ALPHA8UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
- break;
- case GL_LUMINANCE_ALPHA16UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
- break;
- case GL_LUMINANCE_ALPHA32UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_UINT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
- break;
- case GL_LUMINANCE_ALPHA8I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
- break;
- case GL_LUMINANCE_ALPHA16I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
- break;
- case GL_LUMINANCE_ALPHA32I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_SINT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
- break;
- case GL_INTENSITY8UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
- break;
- case GL_INTENSITY16UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
- break;
- case GL_INTENSITY32UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_UINT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
- break;
- case GL_INTENSITY8I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
- break;
- case GL_INTENSITY16I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
- break;
- case GL_INTENSITY32I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I_SINT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
- break;
-
- case GL_RGB8UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UINT8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_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_RGBX_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_RGBX_UINT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
- break;
- case GL_RGB8I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SINT8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT8);
- break;
- case GL_RGB16I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SINT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
- break;
- case GL_RGB32I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_SINT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBX_SINT32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
- 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_SINT8);
- break;
- case GL_RGBA16I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT16);
- break;
- case GL_RGBA32I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_SINT32);
- break;
-
- case GL_R8:
- case GL_RED:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM8);
- break;
-
- case GL_COMPRESSED_RED:
- if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY)
- RETURN_IF_SUPPORTED(MESA_FORMAT_R_RGTC1_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM8);
- break;
-
- case GL_R16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R_UNORM16);
- break;
-
- case GL_RG:
- case GL_RG8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UNORM8);
- break;
-
- case GL_COMPRESSED_RG:
- if (target != GL_TEXTURE_1D && target != GL_TEXTURE_1D_ARRAY)
- RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2_UNORM);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UNORM8);
- break;
-
- case GL_RG16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RG_UNORM16);
- break;
-
- 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;
-
- 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_SINT8);
- break;
- case GL_RG8I:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SINT8);
- break;
- case GL_R16I:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R_SINT16);
- break;
- case GL_RG16I:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SINT16);
- break;
- case GL_R32I:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R_SINT32);
- break;
- case GL_RG32I:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RG_SINT32);
- break;
-
- case GL_RGB10_A2UI:
- RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UINT);
- RETURN_IF_SUPPORTED(MESA_FORMAT_R10G10B10A2_UINT);
- break;
-
- case GL_BGRA:
- RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_UNORM);
- break;
-
- case GL_STENCIL_INDEX:
- case GL_STENCIL_INDEX8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_S_UINT8);
- break;
-
- default:
- /* For non-generic compressed format we assert two things:
- *
- * 1. The format has already been validated against the set of available
- * extensions.
- *
- * 2. The driver only enables the extension if it supports all of the
- * formats that are part of that extension.
- */
- if (_mesa_is_compressed_format(ctx, internalFormat))
- return _mesa_glenum_to_compressed_format(internalFormat);
- }
-
- _mesa_problem(ctx, "unexpected format %s in _mesa_choose_tex_format()",
- _mesa_enum_to_string(internalFormat));
- return MESA_FORMAT_NONE;
-}