| /* |
| * 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); |
| 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); |
| } |
| /* 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_L8A8_UNORM); |
| 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_L8A8_UNORM); |
| 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_L8A8_UNORM); |
| break; |
| |
| case 2: |
| case GL_LUMINANCE_ALPHA: |
| case GL_LUMINANCE6_ALPHA2: |
| case GL_LUMINANCE8_ALPHA8: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM); |
| break; |
| |
| case GL_LUMINANCE12_ALPHA4: |
| case GL_LUMINANCE12_ALPHA12: |
| case GL_LUMINANCE16_ALPHA16: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_L16A16_UNORM); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_L8A8_UNORM); |
| 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_L8A8_UNORM); |
| 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_L8A8_UNORM); |
| 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) { |
| if (ctx->Mesa_DXTn) |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1); |
| } |
| 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) { |
| if (ctx->Mesa_DXTn) |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); /* Not rgba_dxt1, see spec */ |
| RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1); |
| } |
| 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_R8G8_SNORM); |
| 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_L8A8_SNORM); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SNORM); |
| 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_R16G16_SNORM); |
| 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_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_L8A8_SRGB); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SRGB); |
| 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_L8A8_SRGB); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_A8L8_SRGB); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_B8G8R8A8_SRGB); |
| RETURN_IF_SUPPORTED(MESA_FORMAT_A8R8G8B8_SRGB); |
| break; |
| case GL_COMPRESSED_SRGB_EXT: |
| if (ctx->Mesa_DXTn) |
| 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: |
| if (ctx->Mesa_DXTn) |
| 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_R8G8_UNORM); |
| 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_R8G8_UNORM); |
| break; |
| |
| case GL_RG16: |
| RETURN_IF_SUPPORTED(MESA_FORMAT_R16G16_UNORM); |
| 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; |
| } |
