| /* |
| * Mesa 3-D graphics library |
| * Version: 6.5.1 |
| * |
| * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. |
| * |
| * 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 |
| */ |
| |
| |
| #include "colormac.h" |
| #include "context.h" |
| #include "texformat.h" |
| #include "texstore.h" |
| |
| |
| #if FEATURE_EXT_texture_sRGB |
| |
| /** |
| * Convert an 8-bit sRGB value from non-linear space to a |
| * linear RGB value in [0, 1]. |
| * Implemented with a 256-entry lookup table. |
| */ |
| static INLINE GLfloat |
| nonlinear_to_linear(GLubyte cs8) |
| { |
| static GLfloat table[256]; |
| static GLboolean tableReady = GL_FALSE; |
| if (!tableReady) { |
| /* compute lookup table now */ |
| GLuint i; |
| for (i = 0; i < 256; i++) { |
| const GLfloat cs = UBYTE_TO_FLOAT(i); |
| if (cs <= 0.04045) { |
| table[i] = cs / 12.92; |
| } |
| else { |
| table[i] = _mesa_pow((cs + 0.055) / 1.055, 2.4); |
| } |
| } |
| tableReady = GL_TRUE; |
| } |
| return table[cs8]; |
| } |
| |
| |
| #endif /* FEATURE_EXT_texture_sRGB */ |
| |
| |
| /* Texel fetch routines for all supported formats |
| */ |
| #define DIM 1 |
| #include "texformat_tmp.h" |
| |
| #define DIM 2 |
| #include "texformat_tmp.h" |
| |
| #define DIM 3 |
| #include "texformat_tmp.h" |
| |
| /** |
| * Null texel fetch function. |
| * |
| * Have to have this so the FetchTexel function pointer is never NULL. |
| */ |
| static void fetch_null_texel( const struct gl_texture_image *texImage, |
| GLint i, GLint j, GLint k, GLchan *texel ) |
| { |
| (void) texImage; (void) i; (void) j; (void) k; |
| texel[RCOMP] = 0; |
| texel[GCOMP] = 0; |
| texel[BCOMP] = 0; |
| texel[ACOMP] = 0; |
| _mesa_warning(NULL, "fetch_null_texel() called!"); |
| } |
| |
| static void fetch_null_texelf( const struct gl_texture_image *texImage, |
| GLint i, GLint j, GLint k, GLfloat *texel ) |
| { |
| (void) texImage; (void) i; (void) j; (void) k; |
| texel[RCOMP] = 0.0; |
| texel[GCOMP] = 0.0; |
| texel[BCOMP] = 0.0; |
| texel[ACOMP] = 0.0; |
| _mesa_warning(NULL, "fetch_null_texelf() called!"); |
| } |
| |
| static void store_null_texel(struct gl_texture_image *texImage, |
| GLint i, GLint j, GLint k, const void *texel) |
| { |
| (void) texImage; |
| (void) i; |
| (void) j; |
| (void) k; |
| (void) texel; |
| /* no-op */ |
| } |
| |
| |
| /** |
| * Notes about the predefined gl_texture_formats: |
| * |
| * 1. There are 1D, 2D and 3D functions for fetching texels from texture |
| * images, returning both GLchan values and GLfloat values. (six |
| * functions in total) |
| * You don't have to provide both the GLchan and GLfloat functions; |
| * just one or the other is OK. Mesa will use an "adaptor" to convert |
| * between GLchan/GLfloat when needed. |
| * Since the adaptors have small performance penalty, we provide both |
| * GLchan and GLfloat functions for some common formats like RGB, RGBA. |
| */ |
| |
| |
| /***************************************************************/ |
| /** \name Default GLchan-based formats */ |
| /*@{*/ |
| |
| const struct gl_texture_format _mesa_texformat_rgba = { |
| MESA_FORMAT_RGBA, /* MesaFormat */ |
| GL_RGBA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| CHAN_BITS, /* RedBits */ |
| CHAN_BITS, /* GreenBits */ |
| CHAN_BITS, /* BlueBits */ |
| CHAN_BITS, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 4 * sizeof(GLchan), /* TexelBytes */ |
| _mesa_texstore_rgba, /* StoreTexImageFunc */ |
| fetch_texel_1d_rgba, /* FetchTexel1D */ |
| fetch_texel_2d_rgba, /* FetchTexel2D */ |
| fetch_texel_3d_rgba, /* FetchTexel3D */ |
| fetch_texel_1d_f_rgba, /* FetchTexel1Df */ |
| fetch_texel_2d_f_rgba, /* FetchTexel2Df */ |
| fetch_texel_3d_f_rgba, /* FetchTexel3Df */ |
| store_texel_rgba /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_rgb = { |
| MESA_FORMAT_RGB, /* MesaFormat */ |
| GL_RGB, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| CHAN_BITS, /* RedBits */ |
| CHAN_BITS, /* GreenBits */ |
| CHAN_BITS, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 3 * sizeof(GLchan), /* TexelBytes */ |
| _mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */ |
| fetch_texel_1d_rgb, /* FetchTexel1D */ |
| fetch_texel_2d_rgb, /* FetchTexel2D */ |
| fetch_texel_3d_rgb, /* FetchTexel3D */ |
| fetch_texel_1d_f_rgb, /* FetchTexel1Df */ |
| fetch_texel_2d_f_rgb, /* FetchTexel2Df */ |
| fetch_texel_3d_f_rgb, /* FetchTexel3Df */ |
| store_texel_rgb /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_alpha = { |
| MESA_FORMAT_ALPHA, /* MesaFormat */ |
| GL_ALPHA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| CHAN_BITS, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| sizeof(GLchan), /* TexelBytes */ |
| _mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */ |
| fetch_texel_1d_alpha, /* FetchTexel1D */ |
| fetch_texel_2d_alpha, /* FetchTexel2D */ |
| fetch_texel_3d_alpha, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_alpha /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_luminance = { |
| MESA_FORMAT_LUMINANCE, /* MesaFormat */ |
| GL_LUMINANCE, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| CHAN_BITS, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| sizeof(GLchan), /* TexelBytes */ |
| _mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */ |
| fetch_texel_1d_luminance, /* FetchTexel1D */ |
| fetch_texel_2d_luminance, /* FetchTexel2D */ |
| fetch_texel_3d_luminance, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_luminance /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_luminance_alpha = { |
| MESA_FORMAT_LUMINANCE_ALPHA, /* MesaFormat */ |
| GL_LUMINANCE_ALPHA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| CHAN_BITS, /* AlphaBits */ |
| CHAN_BITS, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2 * sizeof(GLchan), /* TexelBytes */ |
| _mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */ |
| fetch_texel_1d_luminance_alpha, /* FetchTexel1D */ |
| fetch_texel_2d_luminance_alpha, /* FetchTexel2D */ |
| fetch_texel_3d_luminance_alpha, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_luminance_alpha /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_intensity = { |
| MESA_FORMAT_INTENSITY, /* MesaFormat */ |
| GL_INTENSITY, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| CHAN_BITS, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| sizeof(GLchan), /* TexelBytes */ |
| _mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */ |
| fetch_texel_1d_intensity, /* FetchTexel1D */ |
| fetch_texel_2d_intensity, /* FetchTexel2D */ |
| fetch_texel_3d_intensity, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_intensity /* StoreTexel */ |
| }; |
| |
| |
| #if FEATURE_EXT_texture_sRGB |
| |
| const struct gl_texture_format _mesa_texformat_srgb8 = { |
| MESA_FORMAT_SRGB8, /* MesaFormat */ |
| GL_RGB, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 8, /* RedBits */ |
| 8, /* GreenBits */ |
| 8, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 3, /* TexelBytes */ |
| _mesa_texstore_srgb8, /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel2D */ |
| NULL, /* FetchTexel3D */ |
| fetch_texel_1d_srgb8, /* FetchTexel1Df */ |
| fetch_texel_2d_srgb8, /* FetchTexel2Df */ |
| fetch_texel_3d_srgb8, /* FetchTexel3Df */ |
| store_texel_srgb8 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_srgba8 = { |
| MESA_FORMAT_SRGBA8, /* MesaFormat */ |
| GL_RGBA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 8, /* RedBits */ |
| 8, /* GreenBits */ |
| 8, /* BlueBits */ |
| 8, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 4, /* TexelBytes */ |
| _mesa_texstore_srgba8, /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel2D */ |
| NULL, /* FetchTexel3D */ |
| fetch_texel_1d_srgba8, /* FetchTexel1Df */ |
| fetch_texel_2d_srgba8, /* FetchTexel2Df */ |
| fetch_texel_3d_srgba8, /* FetchTexel3Df */ |
| store_texel_srgba8 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_sl8 = { |
| MESA_FORMAT_SL8, /* MesaFormat */ |
| GL_LUMINANCE, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 8, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 1, /* TexelBytes */ |
| _mesa_texstore_sl8, /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel2D */ |
| NULL, /* FetchTexel3D */ |
| fetch_texel_1d_sl8, /* FetchTexel1Df */ |
| fetch_texel_2d_sl8, /* FetchTexel2Df */ |
| fetch_texel_3d_sl8, /* FetchTexel3Df */ |
| store_texel_sl8 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_sla8 = { |
| MESA_FORMAT_SLA8, /* MesaFormat */ |
| GL_LUMINANCE_ALPHA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 8, /* AlphaBits */ |
| 8, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2, /* TexelBytes */ |
| _mesa_texstore_sla8, /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel2D */ |
| NULL, /* FetchTexel3D */ |
| fetch_texel_1d_sla8, /* FetchTexel1Df */ |
| fetch_texel_2d_sla8, /* FetchTexel2Df */ |
| fetch_texel_3d_sla8, /* FetchTexel3Df */ |
| store_texel_sla8 /* StoreTexel */ |
| }; |
| |
| #endif /* FEATURE_EXT_texture_sRGB */ |
| |
| const struct gl_texture_format _mesa_texformat_rgba_float32 = { |
| MESA_FORMAT_RGBA_FLOAT32, /* MesaFormat */ |
| GL_RGBA, /* BaseFormat */ |
| GL_FLOAT, /* DataType */ |
| 8 * sizeof(GLfloat), /* RedBits */ |
| 8 * sizeof(GLfloat), /* GreenBits */ |
| 8 * sizeof(GLfloat), /* BlueBits */ |
| 8 * sizeof(GLfloat), /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 4 * sizeof(GLfloat), /* TexelBytes */ |
| _mesa_texstore_rgba_float32, /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| fetch_texel_1d_f_rgba_f32, /* FetchTexel1Df */ |
| fetch_texel_2d_f_rgba_f32, /* FetchTexel2Df */ |
| fetch_texel_3d_f_rgba_f32, /* FetchTexel3Df */ |
| store_texel_rgba_f32 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_rgba_float16 = { |
| MESA_FORMAT_RGBA_FLOAT16, /* MesaFormat */ |
| GL_RGBA, /* BaseFormat */ |
| GL_FLOAT, /* DataType */ |
| 8 * sizeof(GLhalfARB), /* RedBits */ |
| 8 * sizeof(GLhalfARB), /* GreenBits */ |
| 8 * sizeof(GLhalfARB), /* BlueBits */ |
| 8 * sizeof(GLhalfARB), /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 4 * sizeof(GLhalfARB), /* TexelBytes */ |
| _mesa_texstore_rgba_float16, /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| fetch_texel_1d_f_rgba_f16, /* FetchTexel1Df */ |
| fetch_texel_2d_f_rgba_f16, /* FetchTexel2Df */ |
| fetch_texel_3d_f_rgba_f16, /* FetchTexel3Df */ |
| store_texel_rgba_f16 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_rgb_float32 = { |
| MESA_FORMAT_RGB_FLOAT32, /* MesaFormat */ |
| GL_RGB, /* BaseFormat */ |
| GL_FLOAT, /* DataType */ |
| 8 * sizeof(GLfloat), /* RedBits */ |
| 8 * sizeof(GLfloat), /* GreenBits */ |
| 8 * sizeof(GLfloat), /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 3 * sizeof(GLfloat), /* TexelBytes */ |
| _mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| fetch_texel_1d_f_rgb_f32, /* FetchTexel1Df */ |
| fetch_texel_2d_f_rgb_f32, /* FetchTexel2Df */ |
| fetch_texel_3d_f_rgb_f32, /* FetchTexel3Df */ |
| store_texel_rgb_f32 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_rgb_float16 = { |
| MESA_FORMAT_RGB_FLOAT16, /* MesaFormat */ |
| GL_RGB, /* BaseFormat */ |
| GL_FLOAT, /* DataType */ |
| 8 * sizeof(GLhalfARB), /* RedBits */ |
| 8 * sizeof(GLhalfARB), /* GreenBits */ |
| 8 * sizeof(GLhalfARB), /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 3 * sizeof(GLhalfARB), /* TexelBytes */ |
| _mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| fetch_texel_1d_f_rgb_f16, /* FetchTexel1Df */ |
| fetch_texel_2d_f_rgb_f16, /* FetchTexel2Df */ |
| fetch_texel_3d_f_rgb_f16, /* FetchTexel3Df */ |
| store_texel_rgb_f16 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_alpha_float32 = { |
| MESA_FORMAT_ALPHA_FLOAT32, /* MesaFormat */ |
| GL_ALPHA, /* BaseFormat */ |
| GL_FLOAT, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 8 * sizeof(GLfloat), /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 1 * sizeof(GLfloat), /* TexelBytes */ |
| _mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| fetch_texel_1d_f_alpha_f32, /* FetchTexel1Df */ |
| fetch_texel_2d_f_alpha_f32, /* FetchTexel2Df */ |
| fetch_texel_3d_f_alpha_f32, /* FetchTexel3Df */ |
| store_texel_alpha_f32 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_alpha_float16 = { |
| MESA_FORMAT_ALPHA_FLOAT16, /* MesaFormat */ |
| GL_ALPHA, /* BaseFormat */ |
| GL_FLOAT, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 8 * sizeof(GLhalfARB), /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 1 * sizeof(GLhalfARB), /* TexelBytes */ |
| _mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| fetch_texel_1d_f_alpha_f16, /* FetchTexel1Df */ |
| fetch_texel_2d_f_alpha_f16, /* FetchTexel2Df */ |
| fetch_texel_3d_f_alpha_f16, /* FetchTexel3Df */ |
| store_texel_alpha_f16 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_luminance_float32 = { |
| MESA_FORMAT_LUMINANCE_FLOAT32, /* MesaFormat */ |
| GL_LUMINANCE, /* BaseFormat */ |
| GL_FLOAT, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 8 * sizeof(GLfloat), /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 1 * sizeof(GLfloat), /* TexelBytes */ |
| _mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel2D */ |
| NULL, /* FetchTexel3D */ |
| fetch_texel_1d_f_luminance_f32, /* FetchTexel1Df */ |
| fetch_texel_2d_f_luminance_f32, /* FetchTexel2Df */ |
| fetch_texel_3d_f_luminance_f32, /* FetchTexel3Df */ |
| store_texel_luminance_f32 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_luminance_float16 = { |
| MESA_FORMAT_LUMINANCE_FLOAT16, /* MesaFormat */ |
| GL_LUMINANCE, /* BaseFormat */ |
| GL_FLOAT, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 8 * sizeof(GLhalfARB), /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 1 * sizeof(GLhalfARB), /* TexelBytes */ |
| _mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel2D */ |
| NULL, /* FetchTexel3D */ |
| fetch_texel_1d_f_luminance_f16, /* FetchTexel1Df */ |
| fetch_texel_2d_f_luminance_f16, /* FetchTexel2Df */ |
| fetch_texel_3d_f_luminance_f16, /* FetchTexel3Df */ |
| store_texel_luminance_f16 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_luminance_alpha_float32 = { |
| MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32, /* MesaFormat */ |
| GL_LUMINANCE_ALPHA, /* BaseFormat */ |
| GL_FLOAT, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 8 * sizeof(GLfloat), /* AlphaBits */ |
| 8 * sizeof(GLfloat), /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2 * sizeof(GLfloat), /* TexelBytes */ |
| _mesa_texstore_rgba_float32, /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel2D */ |
| NULL, /* FetchTexel3D */ |
| fetch_texel_1d_f_luminance_alpha_f32,/* FetchTexel1Df */ |
| fetch_texel_2d_f_luminance_alpha_f32,/* FetchTexel2Df */ |
| fetch_texel_3d_f_luminance_alpha_f32,/* FetchTexel3Df */ |
| store_texel_luminance_alpha_f32 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_luminance_alpha_float16 = { |
| MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, /* MesaFormat */ |
| GL_LUMINANCE_ALPHA, /* BaseFormat */ |
| GL_FLOAT, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 8 * sizeof(GLhalfARB), /* AlphaBits */ |
| 8 * sizeof(GLhalfARB), /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2 * sizeof(GLhalfARB), /* TexelBytes */ |
| _mesa_texstore_rgba_float16, /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel2D */ |
| NULL, /* FetchTexel3D */ |
| fetch_texel_1d_f_luminance_alpha_f16,/* FetchTexel1Df */ |
| fetch_texel_2d_f_luminance_alpha_f16,/* FetchTexel2Df */ |
| fetch_texel_3d_f_luminance_alpha_f16,/* FetchTexel3Df */ |
| store_texel_luminance_alpha_f16 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_intensity_float32 = { |
| MESA_FORMAT_INTENSITY_FLOAT32, /* MesaFormat */ |
| GL_INTENSITY, /* BaseFormat */ |
| GL_FLOAT, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 8 * sizeof(GLfloat), /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 1 * sizeof(GLfloat), /* TexelBytes */ |
| _mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel2D */ |
| NULL, /* FetchTexel3D */ |
| fetch_texel_1d_f_intensity_f32, /* FetchTexel1Df */ |
| fetch_texel_2d_f_intensity_f32, /* FetchTexel2Df */ |
| fetch_texel_3d_f_intensity_f32, /* FetchTexel3Df */ |
| store_texel_intensity_f32 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_intensity_float16 = { |
| MESA_FORMAT_INTENSITY_FLOAT16, /* MesaFormat */ |
| GL_INTENSITY, /* BaseFormat */ |
| GL_FLOAT, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 8 * sizeof(GLhalfARB), /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 1 * sizeof(GLhalfARB), /* TexelBytes */ |
| _mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel2D */ |
| NULL, /* FetchTexel3D */ |
| fetch_texel_1d_f_intensity_f16, /* FetchTexel1Df */ |
| fetch_texel_2d_f_intensity_f16, /* FetchTexel2Df */ |
| fetch_texel_3d_f_intensity_f16, /* FetchTexel3Df */ |
| store_texel_intensity_f16 /* StoreTexel */ |
| }; |
| |
| |
| /*@}*/ |
| |
| |
| /***************************************************************/ |
| /** \name Hardware formats */ |
| /*@{*/ |
| |
| const struct gl_texture_format _mesa_texformat_rgba8888 = { |
| MESA_FORMAT_RGBA8888, /* MesaFormat */ |
| GL_RGBA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 8, /* RedBits */ |
| 8, /* GreenBits */ |
| 8, /* BlueBits */ |
| 8, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 4, /* TexelBytes */ |
| _mesa_texstore_rgba8888, /* StoreTexImageFunc */ |
| fetch_texel_1d_rgba8888, /* FetchTexel1D */ |
| fetch_texel_2d_rgba8888, /* FetchTexel2D */ |
| fetch_texel_3d_rgba8888, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_rgba8888 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_rgba8888_rev = { |
| MESA_FORMAT_RGBA8888_REV, /* MesaFormat */ |
| GL_RGBA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 8, /* RedBits */ |
| 8, /* GreenBits */ |
| 8, /* BlueBits */ |
| 8, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 4, /* TexelBytes */ |
| _mesa_texstore_rgba8888, /* StoreTexImageFunc */ |
| fetch_texel_1d_rgba8888_rev, /* FetchTexel1D */ |
| fetch_texel_2d_rgba8888_rev, /* FetchTexel2D */ |
| fetch_texel_3d_rgba8888_rev, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_rgba8888_rev /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_argb8888 = { |
| MESA_FORMAT_ARGB8888, /* MesaFormat */ |
| GL_RGBA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 8, /* RedBits */ |
| 8, /* GreenBits */ |
| 8, /* BlueBits */ |
| 8, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 4, /* TexelBytes */ |
| _mesa_texstore_argb8888, /* StoreTexImageFunc */ |
| fetch_texel_1d_argb8888, /* FetchTexel1D */ |
| fetch_texel_2d_argb8888, /* FetchTexel2D */ |
| fetch_texel_3d_argb8888, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_argb8888 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_argb8888_rev = { |
| MESA_FORMAT_ARGB8888_REV, /* MesaFormat */ |
| GL_RGBA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 8, /* RedBits */ |
| 8, /* GreenBits */ |
| 8, /* BlueBits */ |
| 8, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 4, /* TexelBytes */ |
| _mesa_texstore_argb8888, /* StoreTexImageFunc */ |
| fetch_texel_1d_argb8888_rev, /* FetchTexel1D */ |
| fetch_texel_2d_argb8888_rev, /* FetchTexel2D */ |
| fetch_texel_3d_argb8888_rev, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_argb8888_rev /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_rgb888 = { |
| MESA_FORMAT_RGB888, /* MesaFormat */ |
| GL_RGB, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 8, /* RedBits */ |
| 8, /* GreenBits */ |
| 8, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 3, /* TexelBytes */ |
| _mesa_texstore_rgb888, /* StoreTexImageFunc */ |
| fetch_texel_1d_rgb888, /* FetchTexel1D */ |
| fetch_texel_2d_rgb888, /* FetchTexel2D */ |
| fetch_texel_3d_rgb888, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_rgb888 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_bgr888 = { |
| MESA_FORMAT_BGR888, /* MesaFormat */ |
| GL_RGB, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 8, /* RedBits */ |
| 8, /* GreenBits */ |
| 8, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 3, /* TexelBytes */ |
| _mesa_texstore_bgr888, /* StoreTexImageFunc */ |
| fetch_texel_1d_bgr888, /* FetchTexel1D */ |
| fetch_texel_2d_bgr888, /* FetchTexel2D */ |
| fetch_texel_3d_bgr888, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_bgr888 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_rgb565 = { |
| MESA_FORMAT_RGB565, /* MesaFormat */ |
| GL_RGB, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 5, /* RedBits */ |
| 6, /* GreenBits */ |
| 5, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2, /* TexelBytes */ |
| _mesa_texstore_rgb565, /* StoreTexImageFunc */ |
| fetch_texel_1d_rgb565, /* FetchTexel1D */ |
| fetch_texel_2d_rgb565, /* FetchTexel2D */ |
| fetch_texel_3d_rgb565, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_rgb565 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_rgb565_rev = { |
| MESA_FORMAT_RGB565_REV, /* MesaFormat */ |
| GL_RGB, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 5, /* RedBits */ |
| 6, /* GreenBits */ |
| 5, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2, /* TexelBytes */ |
| _mesa_texstore_rgb565, /* StoreTexImageFunc */ |
| fetch_texel_1d_rgb565_rev, /* FetchTexel1D */ |
| fetch_texel_2d_rgb565_rev, /* FetchTexel2D */ |
| fetch_texel_3d_rgb565_rev, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_rgb565_rev /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_argb4444 = { |
| MESA_FORMAT_ARGB4444, /* MesaFormat */ |
| GL_RGBA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 4, /* RedBits */ |
| 4, /* GreenBits */ |
| 4, /* BlueBits */ |
| 4, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2, /* TexelBytes */ |
| _mesa_texstore_argb4444, /* StoreTexImageFunc */ |
| fetch_texel_1d_argb4444, /* FetchTexel1D */ |
| fetch_texel_2d_argb4444, /* FetchTexel2D */ |
| fetch_texel_3d_argb4444, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_argb4444 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_argb4444_rev = { |
| MESA_FORMAT_ARGB4444_REV, /* MesaFormat */ |
| GL_RGBA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 4, /* RedBits */ |
| 4, /* GreenBits */ |
| 4, /* BlueBits */ |
| 4, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2, /* TexelBytes */ |
| _mesa_texstore_argb4444, /* StoreTexImageFunc */ |
| fetch_texel_1d_argb4444_rev, /* FetchTexel1D */ |
| fetch_texel_2d_argb4444_rev, /* FetchTexel2D */ |
| fetch_texel_3d_argb4444_rev, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_argb4444_rev /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_argb1555 = { |
| MESA_FORMAT_ARGB1555, /* MesaFormat */ |
| GL_RGBA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 5, /* RedBits */ |
| 5, /* GreenBits */ |
| 5, /* BlueBits */ |
| 1, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2, /* TexelBytes */ |
| _mesa_texstore_argb1555, /* StoreTexImageFunc */ |
| fetch_texel_1d_argb1555, /* FetchTexel1D */ |
| fetch_texel_2d_argb1555, /* FetchTexel2D */ |
| fetch_texel_3d_argb1555, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_argb1555 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_argb1555_rev = { |
| MESA_FORMAT_ARGB1555_REV, /* MesaFormat */ |
| GL_RGBA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 5, /* RedBits */ |
| 5, /* GreenBits */ |
| 5, /* BlueBits */ |
| 1, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2, /* TexelBytes */ |
| _mesa_texstore_argb1555, /* StoreTexImageFunc */ |
| fetch_texel_1d_argb1555_rev, /* FetchTexel1D */ |
| fetch_texel_2d_argb1555_rev, /* FetchTexel2D */ |
| fetch_texel_3d_argb1555_rev, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_argb1555_rev /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_al88 = { |
| MESA_FORMAT_AL88, /* MesaFormat */ |
| GL_LUMINANCE_ALPHA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 8, /* AlphaBits */ |
| 8, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2, /* TexelBytes */ |
| _mesa_texstore_al88, /* StoreTexImageFunc */ |
| fetch_texel_1d_al88, /* FetchTexel1D */ |
| fetch_texel_2d_al88, /* FetchTexel2D */ |
| fetch_texel_3d_al88, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_al88 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_al88_rev = { |
| MESA_FORMAT_AL88_REV, /* MesaFormat */ |
| GL_LUMINANCE_ALPHA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 8, /* AlphaBits */ |
| 8, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2, /* TexelBytes */ |
| _mesa_texstore_al88, /* StoreTexImageFunc */ |
| fetch_texel_1d_al88_rev, /* FetchTexel1D */ |
| fetch_texel_2d_al88_rev, /* FetchTexel2D */ |
| fetch_texel_3d_al88_rev, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_al88_rev /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_rgb332 = { |
| MESA_FORMAT_RGB332, /* MesaFormat */ |
| GL_RGB, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 3, /* RedBits */ |
| 3, /* GreenBits */ |
| 2, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 1, /* TexelBytes */ |
| _mesa_texstore_rgb332, /* StoreTexImageFunc */ |
| fetch_texel_1d_rgb332, /* FetchTexel1D */ |
| fetch_texel_2d_rgb332, /* FetchTexel2D */ |
| fetch_texel_3d_rgb332, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_rgb332 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_a8 = { |
| MESA_FORMAT_A8, /* MesaFormat */ |
| GL_ALPHA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 8, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 1, /* TexelBytes */ |
| _mesa_texstore_a8, /* StoreTexImageFunc */ |
| fetch_texel_1d_a8, /* FetchTexel1D */ |
| fetch_texel_2d_a8, /* FetchTexel2D */ |
| fetch_texel_3d_a8, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_a8 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_l8 = { |
| MESA_FORMAT_L8, /* MesaFormat */ |
| GL_LUMINANCE, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 8, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 1, /* TexelBytes */ |
| _mesa_texstore_a8,/*yes*/ /* StoreTexImageFunc */ |
| fetch_texel_1d_l8, /* FetchTexel1D */ |
| fetch_texel_2d_l8, /* FetchTexel2D */ |
| fetch_texel_3d_l8, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_l8 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_i8 = { |
| MESA_FORMAT_I8, /* MesaFormat */ |
| GL_INTENSITY, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 8, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 1, /* TexelBytes */ |
| _mesa_texstore_a8,/*yes*/ /* StoreTexImageFunc */ |
| fetch_texel_1d_i8, /* FetchTexel1D */ |
| fetch_texel_2d_i8, /* FetchTexel2D */ |
| fetch_texel_3d_i8, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_i8 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_ci8 = { |
| MESA_FORMAT_CI8, /* MesaFormat */ |
| GL_COLOR_INDEX, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 8, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 1, /* TexelBytes */ |
| _mesa_texstore_ci8, /* StoreTexImageFunc */ |
| fetch_texel_1d_ci8, /* FetchTexel1D */ |
| fetch_texel_2d_ci8, /* FetchTexel2D */ |
| fetch_texel_3d_ci8, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_ci8 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_ycbcr = { |
| MESA_FORMAT_YCBCR, /* MesaFormat */ |
| GL_YCBCR_MESA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2, /* TexelBytes */ |
| _mesa_texstore_ycbcr, /* StoreTexImageFunc */ |
| fetch_texel_1d_ycbcr, /* FetchTexel1D */ |
| fetch_texel_2d_ycbcr, /* FetchTexel2D */ |
| fetch_texel_3d_ycbcr, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_ycbcr /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_ycbcr_rev = { |
| MESA_FORMAT_YCBCR_REV, /* MesaFormat */ |
| GL_YCBCR_MESA, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 2, /* TexelBytes */ |
| _mesa_texstore_ycbcr, /* StoreTexImageFunc */ |
| fetch_texel_1d_ycbcr_rev, /* FetchTexel1D */ |
| fetch_texel_2d_ycbcr_rev, /* FetchTexel2D */ |
| fetch_texel_3d_ycbcr_rev, /* FetchTexel3D */ |
| NULL, /* FetchTexel1Df */ |
| NULL, /* FetchTexel2Df */ |
| NULL, /* FetchTexel3Df */ |
| store_texel_ycbcr_rev /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_z24_s8 = { |
| MESA_FORMAT_Z24_S8, /* MesaFormat */ |
| GL_DEPTH_STENCIL_EXT, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 24, /* DepthBits */ |
| 8, /* StencilBits */ |
| 4, /* TexelBytes */ |
| _mesa_texstore_z24_s8, /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel2D */ |
| NULL, /* FetchTexel3D */ |
| fetch_texel_1d_f_z24_s8, /* FetchTexel1Df */ |
| fetch_texel_2d_f_z24_s8, /* FetchTexel2Df */ |
| fetch_texel_3d_f_z24_s8, /* FetchTexel3Df */ |
| store_texel_z24_s8 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_s8_z24 = { |
| MESA_FORMAT_S8_Z24, /* MesaFormat */ |
| GL_DEPTH_STENCIL_EXT, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 24, /* DepthBits */ |
| 8, /* StencilBits */ |
| 4, /* TexelBytes */ |
| _mesa_texstore_s8_z24, /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel2D */ |
| NULL, /* FetchTexel3D */ |
| fetch_texel_1d_f_s8_z24, /* FetchTexel1Df */ |
| fetch_texel_2d_f_s8_z24, /* FetchTexel2Df */ |
| fetch_texel_3d_f_s8_z24, /* FetchTexel3Df */ |
| store_texel_s8_z24 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_z16 = { |
| MESA_FORMAT_Z16, /* MesaFormat */ |
| GL_DEPTH_COMPONENT, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| sizeof(GLushort) * 8, /* DepthBits */ |
| 0, /* StencilBits */ |
| sizeof(GLushort), /* TexelBytes */ |
| _mesa_texstore_z16, /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| fetch_texel_1d_f_z16, /* FetchTexel1Df */ |
| fetch_texel_2d_f_z16, /* FetchTexel2Df */ |
| fetch_texel_3d_f_z16, /* FetchTexel3Df */ |
| store_texel_z16 /* StoreTexel */ |
| }; |
| |
| const struct gl_texture_format _mesa_texformat_z32 = { |
| MESA_FORMAT_Z32, /* MesaFormat */ |
| GL_DEPTH_COMPONENT, /* BaseFormat */ |
| GL_UNSIGNED_NORMALIZED_ARB, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| sizeof(GLuint) * 8, /* DepthBits */ |
| 0, /* StencilBits */ |
| sizeof(GLuint), /* TexelBytes */ |
| _mesa_texstore_z32, /* StoreTexImageFunc */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| NULL, /* FetchTexel1D */ |
| fetch_texel_1d_f_z32, /* FetchTexel1Df */ |
| fetch_texel_2d_f_z32, /* FetchTexel2Df */ |
| fetch_texel_3d_f_z32, /* FetchTexel3Df */ |
| store_texel_z32 /* StoreTexel */ |
| }; |
| |
| /*@}*/ |
| |
| |
| /***************************************************************/ |
| /** \name Null format (useful for proxy textures) */ |
| /*@{*/ |
| |
| const struct gl_texture_format _mesa_null_texformat = { |
| -1, /* MesaFormat */ |
| 0, /* BaseFormat */ |
| GL_NONE, /* DataType */ |
| 0, /* RedBits */ |
| 0, /* GreenBits */ |
| 0, /* BlueBits */ |
| 0, /* AlphaBits */ |
| 0, /* LuminanceBits */ |
| 0, /* IntensityBits */ |
| 0, /* IndexBits */ |
| 0, /* DepthBits */ |
| 0, /* StencilBits */ |
| 0, /* TexelBytes */ |
| NULL, /* StoreTexImageFunc */ |
| fetch_null_texel, /* FetchTexel1D */ |
| fetch_null_texel, /* FetchTexel2D */ |
| fetch_null_texel, /* FetchTexel3D */ |
| fetch_null_texelf, /* FetchTexel1Df */ |
| fetch_null_texelf, /* FetchTexel2Df */ |
| fetch_null_texelf, /* FetchTexel3Df */ |
| store_null_texel /* StoreTexel */ |
| }; |
| |
| /*@}*/ |
| |
| |
| /** |
| * 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. |
| */ |
| const struct gl_texture_format * |
| _mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat, |
| GLenum format, GLenum type ) |
| { |
| (void) format; |
| (void) type; |
| |
| switch (internalFormat) { |
| /* RGBA formats */ |
| case 4: |
| case GL_RGBA: |
| case GL_RGB10_A2: |
| case GL_RGBA12: |
| case GL_RGBA16: |
| return &_mesa_texformat_rgba; |
| case GL_RGBA8: |
| return &_mesa_texformat_rgba8888; |
| case GL_RGB5_A1: |
| return &_mesa_texformat_argb1555; |
| case GL_RGBA2: |
| return &_mesa_texformat_argb4444_rev; /* just to test another format*/ |
| case GL_RGBA4: |
| return &_mesa_texformat_argb4444; |
| |
| /* RGB formats */ |
| case 3: |
| case GL_RGB: |
| case GL_RGB10: |
| case GL_RGB12: |
| case GL_RGB16: |
| return &_mesa_texformat_rgb; |
| case GL_RGB8: |
| return &_mesa_texformat_rgb888; |
| case GL_R3_G3_B2: |
| return &_mesa_texformat_rgb332; |
| case GL_RGB4: |
| return &_mesa_texformat_rgb565_rev; /* just to test another format */ |
| case GL_RGB5: |
| return &_mesa_texformat_rgb565; |
| |
| /* Alpha formats */ |
| case GL_ALPHA: |
| case GL_ALPHA4: |
| case GL_ALPHA12: |
| case GL_ALPHA16: |
| return &_mesa_texformat_alpha; |
| case GL_ALPHA8: |
| return &_mesa_texformat_a8; |
| |
| /* Luminance formats */ |
| case 1: |
| case GL_LUMINANCE: |
| case GL_LUMINANCE4: |
| case GL_LUMINANCE12: |
| case GL_LUMINANCE16: |
| return &_mesa_texformat_luminance; |
| case GL_LUMINANCE8: |
| return &_mesa_texformat_l8; |
| |
| /* Luminance/Alpha formats */ |
| case 2: |
| case GL_LUMINANCE_ALPHA: |
| case GL_LUMINANCE4_ALPHA4: |
| case GL_LUMINANCE6_ALPHA2: |
| case GL_LUMINANCE12_ALPHA4: |
| case GL_LUMINANCE12_ALPHA12: |
| case GL_LUMINANCE16_ALPHA16: |
| return &_mesa_texformat_luminance_alpha; |
| case GL_LUMINANCE8_ALPHA8: |
| return &_mesa_texformat_al88; |
| |
| case GL_INTENSITY: |
| case GL_INTENSITY4: |
| case GL_INTENSITY12: |
| case GL_INTENSITY16: |
| return &_mesa_texformat_intensity; |
| case GL_INTENSITY8: |
| return &_mesa_texformat_i8; |
| |
| 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 &_mesa_texformat_ci8; |
| |
| default: |
| ; /* fallthrough */ |
| } |
| |
| if (ctx->Extensions.SGIX_depth_texture || |
| ctx->Extensions.ARB_depth_texture) { |
| switch (internalFormat) { |
| case GL_DEPTH_COMPONENT: |
| case GL_DEPTH_COMPONENT24_SGIX: |
| case GL_DEPTH_COMPONENT32_SGIX: |
| return &_mesa_texformat_z32; |
| case GL_DEPTH_COMPONENT16_SGIX: |
| return &_mesa_texformat_z16; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ARB_texture_compression) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_ALPHA_ARB: |
| return &_mesa_texformat_alpha; |
| case GL_COMPRESSED_LUMINANCE_ARB: |
| return &_mesa_texformat_luminance; |
| case GL_COMPRESSED_LUMINANCE_ALPHA_ARB: |
| return &_mesa_texformat_luminance_alpha; |
| case GL_COMPRESSED_INTENSITY_ARB: |
| return &_mesa_texformat_intensity; |
| case GL_COMPRESSED_RGB_ARB: |
| if (ctx->Extensions.TDFX_texture_compression_FXT1) |
| return &_mesa_texformat_rgb_fxt1; |
| else if (ctx->Extensions.EXT_texture_compression_s3tc || |
| ctx->Extensions.S3_s3tc) |
| return &_mesa_texformat_rgb_dxt1; |
| else |
| return &_mesa_texformat_rgb; |
| case GL_COMPRESSED_RGBA_ARB: |
| if (ctx->Extensions.TDFX_texture_compression_FXT1) |
| return &_mesa_texformat_rgba_fxt1; |
| else if (ctx->Extensions.EXT_texture_compression_s3tc || |
| ctx->Extensions.S3_s3tc) |
| return &_mesa_texformat_rgba_dxt3; /* Not rgba_dxt1, see spec */ |
| else |
| return &_mesa_texformat_rgba; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.MESA_ycbcr_texture) { |
| if (internalFormat == GL_YCBCR_MESA) { |
| if (type == GL_UNSIGNED_SHORT_8_8_MESA) |
| return &_mesa_texformat_ycbcr; |
| else |
| return &_mesa_texformat_ycbcr_rev; |
| } |
| } |
| |
| if (ctx->Extensions.TDFX_texture_compression_FXT1) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_RGB_FXT1_3DFX: |
| return &_mesa_texformat_rgb_fxt1; |
| case GL_COMPRESSED_RGBA_FXT1_3DFX: |
| return &_mesa_texformat_rgba_fxt1; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_texture_compression_s3tc) { |
| switch (internalFormat) { |
| case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: |
| return &_mesa_texformat_rgb_dxt1; |
| case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: |
| return &_mesa_texformat_rgba_dxt1; |
| case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: |
| return &_mesa_texformat_rgba_dxt3; |
| case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: |
| return &_mesa_texformat_rgba_dxt5; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.S3_s3tc) { |
| switch (internalFormat) { |
| case GL_RGB_S3TC: |
| case GL_RGB4_S3TC: |
| return &_mesa_texformat_rgb_dxt1; |
| case GL_RGBA_S3TC: |
| case GL_RGBA4_S3TC: |
| return &_mesa_texformat_rgba_dxt3; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.ARB_texture_float) { |
| switch (internalFormat) { |
| case GL_ALPHA16F_ARB: |
| return &_mesa_texformat_alpha_float16; |
| case GL_ALPHA32F_ARB: |
| return &_mesa_texformat_alpha_float32; |
| case GL_LUMINANCE16F_ARB: |
| return &_mesa_texformat_luminance_float16; |
| case GL_LUMINANCE32F_ARB: |
| return &_mesa_texformat_luminance_float32; |
| case GL_LUMINANCE_ALPHA16F_ARB: |
| return &_mesa_texformat_luminance_alpha_float16; |
| case GL_LUMINANCE_ALPHA32F_ARB: |
| return &_mesa_texformat_luminance_alpha_float32; |
| case GL_INTENSITY16F_ARB: |
| return &_mesa_texformat_intensity_float16; |
| case GL_INTENSITY32F_ARB: |
| return &_mesa_texformat_intensity_float32; |
| case GL_RGB16F_ARB: |
| return &_mesa_texformat_rgb_float16; |
| case GL_RGB32F_ARB: |
| return &_mesa_texformat_rgb_float32; |
| case GL_RGBA16F_ARB: |
| return &_mesa_texformat_rgba_float16; |
| case GL_RGBA32F_ARB: |
| return &_mesa_texformat_rgba_float32; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| if (ctx->Extensions.EXT_packed_depth_stencil) { |
| switch (internalFormat) { |
| case GL_DEPTH_STENCIL_EXT: |
| case GL_DEPTH24_STENCIL8_EXT: |
| return &_mesa_texformat_z24_s8; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| |
| #if FEATURE_EXT_texture_sRGB |
| if (ctx->Extensions.EXT_texture_sRGB) { |
| switch (internalFormat) { |
| case GL_SRGB_EXT: |
| case GL_SRGB8_EXT: |
| return &_mesa_texformat_srgb8; |
| case GL_SRGB_ALPHA_EXT: |
| case GL_SRGB8_ALPHA8_EXT: |
| return &_mesa_texformat_srgba8; |
| case GL_SLUMINANCE_EXT: |
| case GL_SLUMINANCE8_EXT: |
| return &_mesa_texformat_sl8; |
| case GL_SLUMINANCE_ALPHA_EXT: |
| case GL_SLUMINANCE8_ALPHA8_EXT: |
| return &_mesa_texformat_sla8; |
| /* NOTE: not supporting any compression of sRGB at this time */ |
| case GL_COMPRESSED_SRGB_EXT: |
| return &_mesa_texformat_srgb8; |
| case GL_COMPRESSED_SRGB_ALPHA_EXT: |
| return &_mesa_texformat_srgba8; |
| case GL_COMPRESSED_SLUMINANCE_EXT: |
| return &_mesa_texformat_sl8; |
| case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT: |
| return &_mesa_texformat_sla8; |
| case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: |
| return &_mesa_texformat_srgb8; |
| case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: |
| case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: |
| case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: |
| return &_mesa_texformat_srgba8; |
| default: |
| ; /* fallthrough */ |
| } |
| } |
| #endif /* FEATURE_EXT_texture_sRGB */ |
| |
| _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()"); |
| return NULL; |
| } |
