From 2039567395da75a3ae318fb82738cdcf2caa05a1 Mon Sep 17 00:00:00 2001 From: marha Date: Wed, 30 Mar 2011 06:43:04 +0000 Subject: mesa git update 30 Mar 2011 --- mesalib/src/mesa/main/texfetch_tmp.h | 4273 ++++++++++++++++++---------------- 1 file changed, 2233 insertions(+), 2040 deletions(-) (limited to 'mesalib/src/mesa/main/texfetch_tmp.h') diff --git a/mesalib/src/mesa/main/texfetch_tmp.h b/mesalib/src/mesa/main/texfetch_tmp.h index 9c2b36a02..f1f6a01a4 100644 --- a/mesalib/src/mesa/main/texfetch_tmp.h +++ b/mesalib/src/mesa/main/texfetch_tmp.h @@ -1,2040 +1,2233 @@ -/* - * Mesa 3-D graphics library - * Version: 7.7 - * - * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. - * Copyright (c) 2008-2009 VMware, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -/** - * \file texfetch_tmp.h - * Texel fetch functions template. - * - * This template file is used by texfetch.c to generate texel fetch functions - * for 1-D, 2-D and 3-D texture images. - * - * It should be expanded by defining \p DIM as the number texture dimensions - * (1, 2 or 3). According to the value of \p DIM a series of macros is defined - * for the texel lookup in the gl_texture_image::Data. - * - * \author Gareth Hughes - * \author Brian Paul - */ - - -#if DIM == 1 - -#define TEXEL_ADDR( type, image, i, j, k, size ) \ - ((void) (j), (void) (k), ((type *)(image)->Data + (i) * (size))) - -#define FETCH(x) fetch_texel_1d_##x - -#elif DIM == 2 - -#define TEXEL_ADDR( type, image, i, j, k, size ) \ - ((void) (k), \ - ((type *)(image)->Data + ((image)->RowStride * (j) + (i)) * (size))) - -#define FETCH(x) fetch_texel_2d_##x - -#elif DIM == 3 - -#define TEXEL_ADDR( type, image, i, j, k, size ) \ - ((type *)(image)->Data + ((image)->ImageOffsets[k] \ - + (image)->RowStride * (j) + (i)) * (size)) - -#define FETCH(x) fetch_texel_3d_##x - -#else -#error illegal number of texture dimensions -#endif - - -/* MESA_FORMAT_Z32 ***********************************************************/ - -/* Fetch depth texel from 1D, 2D or 3D 32-bit depth texture, - * returning 1 GLfloat. - * Note: no GLchan version of this function. - */ -static void FETCH(f_z32)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[0] = src[0] * (1.0F / 0xffffffff); -} - -#if DIM == 3 -static void store_texel_z32(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLuint *depth = (const GLuint *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - dst[0] = *depth; -} -#endif - - -/* MESA_FORMAT_Z16 ***********************************************************/ - -/* Fetch depth texel from 1D, 2D or 3D 16-bit depth texture, - * returning 1 GLfloat. - * Note: no GLchan version of this function. - */ -static void FETCH(f_z16)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - texel[0] = src[0] * (1.0F / 65535.0F); -} - -#if DIM == 3 -static void store_texel_z16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLushort *depth = (const GLushort *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - dst[0] = *depth; -} -#endif - - -/* MESA_FORMAT_RGBA_F32 ******************************************************/ - -/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT32 texture, returning 4 GLfloats. - */ -static void FETCH(f_rgba_f32)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 4); - texel[RCOMP] = src[0]; - texel[GCOMP] = src[1]; - texel[BCOMP] = src[2]; - texel[ACOMP] = src[3]; -} - -#if DIM == 3 -static void store_texel_rgba_f32(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLfloat *depth = (const GLfloat *) texel; - GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 4); - dst[0] = depth[RCOMP]; - dst[1] = depth[GCOMP]; - dst[2] = depth[BCOMP]; - dst[3] = depth[ACOMP]; -} -#endif - - -/* MESA_FORMAT_RGBA_F16 ******************************************************/ - -/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT16 texture, - * returning 4 GLfloats. - */ -static void FETCH(f_rgba_f16)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 4); - texel[RCOMP] = _mesa_half_to_float(src[0]); - texel[GCOMP] = _mesa_half_to_float(src[1]); - texel[BCOMP] = _mesa_half_to_float(src[2]); - texel[ACOMP] = _mesa_half_to_float(src[3]); -} - -#if DIM == 3 -static void store_texel_rgba_f16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLfloat *src = (const GLfloat *) texel; - GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 4); - dst[0] = _mesa_float_to_half(src[RCOMP]); - dst[1] = _mesa_float_to_half(src[GCOMP]); - dst[2] = _mesa_float_to_half(src[BCOMP]); - dst[3] = _mesa_float_to_half(src[ACOMP]); -} -#endif - -/* MESA_FORMAT_RGB_F32 *******************************************************/ - -/* Fetch texel from 1D, 2D or 3D RGB_FLOAT32 texture, - * returning 4 GLfloats. - */ -static void FETCH(f_rgb_f32)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 3); - texel[RCOMP] = src[0]; - texel[GCOMP] = src[1]; - texel[BCOMP] = src[2]; - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_rgb_f32(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLfloat *src = (const GLfloat *) texel; - GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 3); - dst[0] = src[RCOMP]; - dst[1] = src[GCOMP]; - dst[2] = src[BCOMP]; -} -#endif - - -/* MESA_FORMAT_RGB_F16 *******************************************************/ - -/* Fetch texel from 1D, 2D or 3D RGB_FLOAT16 texture, - * returning 4 GLfloats. - */ -static void FETCH(f_rgb_f16)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 3); - texel[RCOMP] = _mesa_half_to_float(src[0]); - texel[GCOMP] = _mesa_half_to_float(src[1]); - texel[BCOMP] = _mesa_half_to_float(src[2]); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_rgb_f16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLfloat *src = (const GLfloat *) texel; - GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 3); - dst[0] = _mesa_float_to_half(src[RCOMP]); - dst[1] = _mesa_float_to_half(src[GCOMP]); - dst[2] = _mesa_float_to_half(src[BCOMP]); -} -#endif - - -/* MESA_FORMAT_ALPHA_F32 *****************************************************/ - -/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT32 texture, - * returning 4 GLfloats. - */ -static void FETCH(f_alpha_f32)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = 0.0F; - texel[ACOMP] = src[0]; -} - -#if DIM == 3 -static void store_texel_alpha_f32(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLfloat *rgba = (const GLfloat *) texel; - GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); - dst[0] = rgba[ACOMP]; -} -#endif - - -/* MESA_FORMAT_ALPHA_F32 *****************************************************/ - -/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT16 texture, - * returning 4 GLfloats. - */ -static void FETCH(f_alpha_f16)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = 0.0F; - texel[ACOMP] = _mesa_half_to_float(src[0]); -} - -#if DIM == 3 -static void store_texel_alpha_f16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLfloat *rgba = (const GLfloat *) texel; - GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); - dst[0] = _mesa_float_to_half(rgba[ACOMP]); -} -#endif - - -/* MESA_FORMAT_LUMINANCE_F32 *************************************************/ - -/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT32 texture, - * returning 4 GLfloats. - */ -static void FETCH(f_luminance_f32)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = src[0]; - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_luminance_f32(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLfloat *rgba = (const GLfloat *) texel; - GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); - dst[0] = rgba[RCOMP]; -} -#endif - - -/* MESA_FORMAT_LUMINANCE_F16 *************************************************/ - -/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT16 texture, - * returning 4 GLfloats. - */ -static void FETCH(f_luminance_f16)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = _mesa_half_to_float(src[0]); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_luminance_f16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLfloat *rgba = (const GLfloat *) texel; - GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); - dst[0] = _mesa_float_to_half(rgba[RCOMP]); -} -#endif - - -/* MESA_FORMAT_LUMINANCE_ALPHA_F32 *******************************************/ - -/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT32 texture, - * returning 4 GLfloats. - */ -static void FETCH(f_luminance_alpha_f32)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = src[0]; - texel[ACOMP] = src[1]; -} - -#if DIM == 3 -static void store_texel_luminance_alpha_f32(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLfloat *rgba = (const GLfloat *) texel; - GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[ACOMP]; -} -#endif - - -/* MESA_FORMAT_LUMINANCE_ALPHA_F16 *******************************************/ - -/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT16 texture, - * returning 4 GLfloats. - */ -static void FETCH(f_luminance_alpha_f16)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = _mesa_half_to_float(src[0]); - texel[ACOMP] = _mesa_half_to_float(src[1]); -} - -#if DIM == 3 -static void store_texel_luminance_alpha_f16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLfloat *rgba = (const GLfloat *) texel; - GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2); - dst[0] = _mesa_float_to_half(rgba[RCOMP]); - dst[1] = _mesa_float_to_half(rgba[ACOMP]); -} -#endif - - -/* MESA_FORMAT_INTENSITY_F32 *************************************************/ - -/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT32 texture, - * returning 4 GLfloats. - */ -static void FETCH(f_intensity_f32)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = - texel[ACOMP] = src[0]; -} - -#if DIM == 3 -static void store_texel_intensity_f32(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLfloat *rgba = (const GLfloat *) texel; - GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); - dst[0] = rgba[RCOMP]; -} -#endif - - -/* MESA_FORMAT_INTENSITY_F16 *************************************************/ - -/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT16 texture, - * returning 4 GLfloats. - */ -static void FETCH(f_intensity_f16)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = - texel[ACOMP] = _mesa_half_to_float(src[0]); -} - -#if DIM == 3 -static void store_texel_intensity_f16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLfloat *rgba = (const GLfloat *) texel; - GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); - dst[0] = _mesa_float_to_half(rgba[RCOMP]); -} -#endif - - - - -/* - * Begin Hardware formats - */ - -/* MESA_FORMAT_RGBA8888 ******************************************************/ - -/* Fetch texel from 1D, 2D or 3D rgba8888 texture, return 4 GLfloats */ -static void FETCH(f_rgba8888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 24) ); - texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); - texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); - texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); -} - - - -#if DIM == 3 -static void store_texel_rgba8888(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); -} -#endif - - -/* MESA_FORMAT_RGBA888_REV ***************************************************/ - -/* Fetch texel from 1D, 2D or 3D abgr8888 texture, return 4 GLchans */ -static void FETCH(f_rgba8888_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); - texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); - texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); - texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); -} - -#if DIM == 3 -static void store_texel_rgba8888_rev(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_8888_REV(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); -} -#endif - - -/* MESA_FORMAT_ARGB8888 ******************************************************/ - -/* Fetch texel from 1D, 2D or 3D argb8888 texture, return 4 GLchans */ -static void FETCH(f_argb8888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); - texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); - texel[BCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); - texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); -} - -#if DIM == 3 -static void store_texel_argb8888(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); -} -#endif - - -/* MESA_FORMAT_ARGB8888_REV **************************************************/ - -/* Fetch texel from 1D, 2D or 3D argb8888_rev texture, return 4 GLfloats */ -static void FETCH(f_argb8888_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); - texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); - texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24) ); - texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); -} - -#if DIM == 3 -static void store_texel_argb8888_rev(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], rgba[ACOMP]); -} -#endif - - -/* MESA_FORMAT_XRGB8888 ******************************************************/ - -/* Fetch texel from 1D, 2D or 3D xrgb8888 texture, return 4 GLchans */ -static void FETCH(f_xrgb8888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); - texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); - texel[BCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); - texel[ACOMP] = 1.0f; -} - -#if DIM == 3 -static void store_texel_xrgb8888(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_8888(0xff, rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); -} -#endif - - -/* MESA_FORMAT_XRGB8888_REV **************************************************/ - -/* Fetch texel from 1D, 2D or 3D xrgb8888_rev texture, return 4 GLfloats */ -static void FETCH(f_xrgb8888_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); - texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); - texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24) ); - texel[ACOMP] = 1.0f; -} - -#if DIM == 3 -static void store_texel_xrgb8888_rev(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], 0xff); -} -#endif - - -/* MESA_FORMAT_RGB888 ********************************************************/ - -/* Fetch texel from 1D, 2D or 3D rgb888 texture, return 4 GLchans */ -static void FETCH(f_rgb888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); - texel[RCOMP] = UBYTE_TO_FLOAT( src[2] ); - texel[GCOMP] = UBYTE_TO_FLOAT( src[1] ); - texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_rgb888(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); - dst[0] = rgba[BCOMP]; - dst[1] = rgba[GCOMP]; - dst[2] = rgba[RCOMP]; -} -#endif - - -/* MESA_FORMAT_BGR888 ********************************************************/ - -/* Fetch texel from 1D, 2D or 3D bgr888 texture, return 4 GLchans */ -static void FETCH(f_bgr888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); - texel[RCOMP] = UBYTE_TO_FLOAT( src[0] ); - texel[GCOMP] = UBYTE_TO_FLOAT( src[1] ); - texel[BCOMP] = UBYTE_TO_FLOAT( src[2] ); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_bgr888(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; -} -#endif - - -/* use color expansion like (g << 2) | (g >> 4) (does somewhat random rounding) - instead of slow (g << 2) * 255 / 252 (always rounds down) */ - -/* MESA_FORMAT_RGB565 ********************************************************/ - -/* Fetch texel from 1D, 2D or 3D rgb565 texture, return 4 GLchans */ -static void FETCH(f_rgb565)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - const GLushort s = *src; - texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F); - texel[GCOMP] = ((s >> 5 ) & 0x3f) * (1.0F / 63.0F); - texel[BCOMP] = ((s ) & 0x1f) * (1.0F / 31.0F); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_rgb565(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = PACK_COLOR_565(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); -} -#endif - - -/* MESA_FORMAT_RGB565_REV ****************************************************/ - -/* Fetch texel from 1D, 2D or 3D rgb565_rev texture, return 4 GLchans */ -static void FETCH(f_rgb565_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - const GLushort s = (*src >> 8) | (*src << 8); /* byte swap */ - texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) ); - texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 3) & 0xfc) | ((s >> 9) & 0x3) ); - texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) ); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_rgb565_rev(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = PACK_COLOR_565(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]); -} -#endif - - -/* MESA_FORMAT_ARGB4444 ******************************************************/ - -/* Fetch texel from 1D, 2D or 3D argb444 texture, return 4 GLchans */ -static void FETCH(f_argb4444)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - const GLushort s = *src; - texel[RCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F); - texel[GCOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); - texel[BCOMP] = ((s ) & 0xf) * (1.0F / 15.0F); - texel[ACOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F); -} - -#if DIM == 3 -static void store_texel_argb4444(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = PACK_COLOR_4444(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); -} -#endif - - -/* MESA_FORMAT_ARGB4444_REV **************************************************/ - -/* Fetch texel from 1D, 2D or 3D argb4444_rev texture, return 4 GLchans */ -static void FETCH(f_argb4444_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - texel[RCOMP] = ((s ) & 0xf) * (1.0F / 15.0F); - texel[GCOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F); - texel[BCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F); - texel[ACOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); -} - -#if DIM == 3 -static void store_texel_argb4444_rev(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = PACK_COLOR_4444(rgba[ACOMP], rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]); -} -#endif - -/* MESA_FORMAT_RGBA5551 ******************************************************/ - -/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */ -static void FETCH(f_rgba5551)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - const GLushort s = *src; - texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F); - texel[GCOMP] = ((s >> 6) & 0x1f) * (1.0F / 31.0F); - texel[BCOMP] = ((s >> 1) & 0x1f) * (1.0F / 31.0F); - texel[ACOMP] = ((s ) & 0x01) * 1.0F; -} - -#if DIM == 3 -static void store_texel_rgba5551(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = PACK_COLOR_5551(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); -} -#endif - -/* MESA_FORMAT_ARGB1555 ******************************************************/ - -/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */ -static void FETCH(f_argb1555)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - const GLushort s = *src; - texel[RCOMP] = ((s >> 10) & 0x1f) * (1.0F / 31.0F); - texel[GCOMP] = ((s >> 5) & 0x1f) * (1.0F / 31.0F); - texel[BCOMP] = ((s >> 0) & 0x1f) * (1.0F / 31.0F); - texel[ACOMP] = ((s >> 15) & 0x01) * 1.0F; -} - -#if DIM == 3 -static void store_texel_argb1555(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = PACK_COLOR_1555(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); -} -#endif - - -/* MESA_FORMAT_ARGB1555_REV **************************************************/ - -/* Fetch texel from 1D, 2D or 3D argb1555_rev texture, return 4 GLchans */ -static void FETCH(f_argb1555_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - const GLushort s = (*src << 8) | (*src >> 8); /* byteswap */ - texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 7) & 0xf8) | ((s >> 12) & 0x7) ); - texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 2) & 0xf8) | ((s >> 7) & 0x7) ); - texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) ); - texel[ACOMP] = UBYTE_TO_FLOAT( ((s >> 15) & 0x01) * 255 ); -} - -#if DIM == 3 -static void store_texel_argb1555_rev(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = PACK_COLOR_1555_REV(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); -} -#endif - - -/* MESA_FORMAT_ARGB2101010 ***************************************************/ - -/* Fetch texel from 1D, 2D or 3D argb2101010 texture, return 4 GLchans */ -static void FETCH(f_argb2101010)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - const GLuint s = *src; - texel[RCOMP] = ((s >> 20) & 0x3ff) * (1.0F / 1023.0F); - texel[GCOMP] = ((s >> 10) & 0x3ff) * (1.0F / 1023.0F); - texel[BCOMP] = ((s >> 0) & 0x3ff) * (1.0F / 1023.0F); - texel[ACOMP] = ((s >> 30) & 0x03) * (1.0F / 3.0F); -} - -#if DIM == 3 -static void store_texel_argb2101010(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_2101010_UB(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); -} -#endif - - -/* MESA_FORMAT_RG88 **********************************************************/ - -/* Fetch texel from 1D, 2D or 3D rg88 texture, return 4 GLchans */ -static void FETCH(f_rg88)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_FLOAT( s & 0xff ); - texel[GCOMP] = UBYTE_TO_FLOAT( s >> 8 ); - texel[BCOMP] = 0.0; - texel[ACOMP] = 1.0; -} - -#if DIM == 3 -static void store_texel_rg88(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = PACK_COLOR_88(rgba[RCOMP], rgba[GCOMP]); -} -#endif - - -/* MESA_FORMAT_RG88_REV ******************************************************/ - -/* Fetch texel from 1D, 2D or 3D rg88_rev texture, return 4 GLchans */ -static void FETCH(f_rg88_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_FLOAT( s & 0xff ); - texel[GCOMP] = UBYTE_TO_FLOAT( s >> 8 ); - texel[BCOMP] = 0.0; - texel[ACOMP] = 1.0; -} - -#if DIM == 3 -static void store_texel_rg88_rev(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = PACK_COLOR_88(rgba[GCOMP], rgba[RCOMP]); -} -#endif - - -/* MESA_FORMAT_AL44 **********************************************************/ - -/* Fetch texel from 1D, 2D or 3D al44 texture, return 4 GLchans */ -static void FETCH(f_al44)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLubyte s = *TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = (s & 0xf) * (1.0F / 15.0F); - texel[ACOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); -} - -#if DIM == 3 -static void store_texel_al44(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - *dst = PACK_COLOR_44(rgba[ACOMP], rgba[RCOMP]); -} -#endif - - -/* MESA_FORMAT_AL88 **********************************************************/ - -/* Fetch texel from 1D, 2D or 3D al88 texture, return 4 GLchans */ -static void FETCH(f_al88)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = UBYTE_TO_FLOAT( s & 0xff ); - texel[ACOMP] = UBYTE_TO_FLOAT( s >> 8 ); -} - -#if DIM == 3 -static void store_texel_al88(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = PACK_COLOR_88(rgba[ACOMP], rgba[RCOMP]); -} -#endif - - -/* MESA_FORMAT_R8 ************************************************************/ - -/* Fetch texel from 1D, 2D or 3D rg88 texture, return 4 GLchans */ -static void FETCH(f_r8)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel) -{ - const GLubyte s = *TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - texel[RCOMP] = UBYTE_TO_FLOAT(s); - texel[GCOMP] = 0.0; - texel[BCOMP] = 0.0; - texel[ACOMP] = 1.0; -} - -#if DIM == 3 -static void store_texel_r8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - *dst = rgba[RCOMP]; -} -#endif - - -/* MESA_FORMAT_R16 ***********************************************************/ - -/* Fetch texel from 1D, 2D or 3D r16 texture, return 4 GLchans */ -static void FETCH(f_r16)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel) -{ - const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - texel[RCOMP] = USHORT_TO_FLOAT(s); - texel[GCOMP] = 0.0; - texel[BCOMP] = 0.0; - texel[ACOMP] = 1.0; -} - -#if DIM == 3 -static void store_texel_r16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLushort *rgba = (const GLushort *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = rgba[RCOMP]; -} -#endif - - -/* MESA_FORMAT_AL88_REV ******************************************************/ - -/* Fetch texel from 1D, 2D or 3D al88_rev texture, return 4 GLchans */ -static void FETCH(f_al88_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = UBYTE_TO_FLOAT( s >> 8 ); - texel[ACOMP] = UBYTE_TO_FLOAT( s & 0xff ); -} - -#if DIM == 3 -static void store_texel_al88_rev(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = PACK_COLOR_88(rgba[RCOMP], rgba[ACOMP]); -} -#endif - - -/* MESA_FORMAT_RG1616 ********************************************************/ - -/* Fetch texel from 1D, 2D or 3D rg1616 texture, return 4 GLchans */ -static void FETCH(f_rg1616)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = USHORT_TO_FLOAT( s & 0xffff ); - texel[GCOMP] = USHORT_TO_FLOAT( s >> 16 ); - texel[BCOMP] = 0.0; - texel[ACOMP] = 1.0; -} - -#if DIM == 3 -static void store_texel_rg1616(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = PACK_COLOR_1616(rgba[RCOMP], rgba[GCOMP]); -} -#endif - - -/* MESA_FORMAT_RG1616_REV ****************************************************/ - -/* Fetch texel from 1D, 2D or 3D rg1616_rev texture, return 4 GLchans */ -static void FETCH(f_rg1616_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = USHORT_TO_FLOAT( s >> 16 ); - texel[GCOMP] = USHORT_TO_FLOAT( s & 0xffff ); - texel[BCOMP] = 0.0; - texel[ACOMP] = 1.0; -} - -#if DIM == 3 -static void store_texel_rg1616_rev(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = PACK_COLOR_1616(rgba[GCOMP], rgba[RCOMP]); -} -#endif - - -/* MESA_FORMAT_AL1616 ********************************************************/ - -/* Fetch texel from 1D, 2D or 3D al1616 texture, return 4 GLchans */ -static void FETCH(f_al1616)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = USHORT_TO_FLOAT( s & 0xffff ); - texel[ACOMP] = USHORT_TO_FLOAT( s >> 16 ); -} - -#if DIM == 3 -static void store_texel_al1616(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLushort *rgba = (const GLushort *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_1616(rgba[ACOMP], rgba[RCOMP]); -} -#endif - - -/* MESA_FORMAT_AL1616_REV ****************************************************/ - -/* Fetch texel from 1D, 2D or 3D al1616_rev texture, return 4 GLchans */ -static void FETCH(f_al1616_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = USHORT_TO_FLOAT( s >> 16 ); - texel[ACOMP] = USHORT_TO_FLOAT( s & 0xffff ); -} - -#if DIM == 3 -static void store_texel_al1616_rev(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLushort *rgba = (const GLushort *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_1616(rgba[RCOMP], rgba[ACOMP]); -} -#endif - - -/* MESA_FORMAT_RGB332 ********************************************************/ - -/* Fetch texel from 1D, 2D or 3D rgb332 texture, return 4 GLchans */ -static void FETCH(f_rgb332)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - const GLubyte s = *src; - texel[RCOMP] = ((s >> 5) & 0x7) * (1.0F / 7.0F); - texel[GCOMP] = ((s >> 2) & 0x7) * (1.0F / 7.0F); - texel[BCOMP] = ((s ) & 0x3) * (1.0F / 3.0F); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_rgb332(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - *dst = PACK_COLOR_332(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); -} -#endif - - -/* MESA_FORMAT_A8 ************************************************************/ - -/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */ -static void FETCH(f_a8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = 0.0F; - texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); -} - -#if DIM == 3 -static void store_texel_a8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - *dst = rgba[ACOMP]; -} -#endif - - -/* MESA_FORMAT_A16 ************************************************************/ - -/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */ -static void FETCH(f_a16)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = 0.0F; - texel[ACOMP] = USHORT_TO_FLOAT( src[0] ); -} - -#if DIM == 3 -static void store_texel_a16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLushort *rgba = (const GLushort *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = rgba[ACOMP]; -} -#endif - - -/* MESA_FORMAT_L8 ************************************************************/ - -/* Fetch texel from 1D, 2D or 3D l8 texture, return 4 GLchans */ -static void FETCH(f_l8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_l8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - *dst = rgba[RCOMP]; -} -#endif - - -/* MESA_FORMAT_L16 ***********************************************************/ - -/* Fetch texel from 1D, 2D or 3D l16 texture, return 4 GLchans */ -static void FETCH(f_l16)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = USHORT_TO_FLOAT( src[0] ); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_l16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLushort *rgba = (const GLushort *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = rgba[RCOMP]; -} -#endif - - -/* MESA_FORMAT_I8 ************************************************************/ - -/* Fetch texel from 1D, 2D or 3D i8 texture, return 4 GLchans */ -static void FETCH(f_i8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = - texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); -} - -#if DIM == 3 -static void store_texel_i8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - *dst = rgba[RCOMP]; -} -#endif - - -/* MESA_FORMAT_I16 ***********************************************************/ - -/* Fetch texel from 1D, 2D or 3D i16 texture, return 4 GLchans */ -static void FETCH(f_i16)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = - texel[ACOMP] = USHORT_TO_FLOAT( src[0] ); -} - -#if DIM == 3 -static void store_texel_i16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLushort *rgba = (const GLushort *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - *dst = rgba[RCOMP]; -} -#endif - - -/* MESA_FORMAT_CI8 ***********************************************************/ - -/* Fetch CI texel from 1D, 2D or 3D ci8 texture, lookup the index in a - * color table, and return 4 GLchans. - */ -static void FETCH(f_ci8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - const struct gl_color_table *palette; - GLuint index; - GET_CURRENT_CONTEXT(ctx); - - if (ctx->Texture.SharedPalette) { - palette = &ctx->Texture.Palette; - } - else { - palette = &texImage->TexObject->Palette; - } - if (palette->Size == 0) - return; /* undefined results */ - - /* Mask the index against size of palette to avoid going out of bounds */ - index = (*src) & (palette->Size - 1); - - { - const GLfloat *table = palette->TableF; - switch (palette->_BaseFormat) { - case GL_ALPHA: - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = 0.0F; - texel[ACOMP] = table[index]; - break; - case GL_LUMINANCE: - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = table[index]; - texel[ACOMP] = 1.0F; - break; - case GL_INTENSITY: - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = - texel[ACOMP] = table[index]; - break; - case GL_LUMINANCE_ALPHA: - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = table[index * 2 + 0]; - texel[ACOMP] = table[index * 2 + 1]; - break; - case GL_RGB: - texel[RCOMP] = table[index * 3 + 0]; - texel[GCOMP] = table[index * 3 + 1]; - texel[BCOMP] = table[index * 3 + 2]; - texel[ACOMP] = 1.0F; - break; - case GL_RGBA: - texel[RCOMP] = table[index * 4 + 0]; - texel[GCOMP] = table[index * 4 + 1]; - texel[BCOMP] = table[index * 4 + 2]; - texel[ACOMP] = table[index * 4 + 3]; - break; - default: - _mesa_problem(ctx, "Bad palette format in fetch_texel_ci8"); - return; - } - } -} - -#if DIM == 3 -static void store_texel_ci8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *index = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - *dst = *index; -} -#endif - - -/* Fetch texel from 1D, 2D or 3D srgb8 texture, return 4 GLfloats */ -/* Note: component order is same as for MESA_FORMAT_RGB888 */ -static void FETCH(srgb8)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); - texel[RCOMP] = nonlinear_to_linear(src[2]); - texel[GCOMP] = nonlinear_to_linear(src[1]); - texel[BCOMP] = nonlinear_to_linear(src[0]); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_srgb8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); - dst[0] = rgba[BCOMP]; /* no conversion */ - dst[1] = rgba[GCOMP]; - dst[2] = rgba[RCOMP]; -} -#endif - -/* Fetch texel from 1D, 2D or 3D srgba8 texture, return 4 GLfloats */ -static void FETCH(srgba8)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = nonlinear_to_linear( (s >> 24) ); - texel[GCOMP] = nonlinear_to_linear( (s >> 16) & 0xff ); - texel[BCOMP] = nonlinear_to_linear( (s >> 8) & 0xff ); - texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); /* linear! */ -} - -#if DIM == 3 -static void store_texel_srgba8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); -} -#endif - -/* Fetch texel from 1D, 2D or 3D sargb8 texture, return 4 GLfloats */ -static void FETCH(sargb8)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = nonlinear_to_linear( (s >> 16) & 0xff ); - texel[GCOMP] = nonlinear_to_linear( (s >> 8) & 0xff ); - texel[BCOMP] = nonlinear_to_linear( (s ) & 0xff ); - texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); /* linear! */ -} - -#if DIM == 3 -static void store_texel_sargb8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); -} -#endif - -/* Fetch texel from 1D, 2D or 3D sl8 texture, return 4 GLfloats */ -static void FETCH(sl8)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = nonlinear_to_linear(src[0]); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_sl8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); - dst[0] = rgba[RCOMP]; -} -#endif - -/* Fetch texel from 1D, 2D or 3D sla8 texture, return 4 GLfloats */ -static void FETCH(sla8)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2); - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = nonlinear_to_linear(src[0]); - texel[ACOMP] = UBYTE_TO_FLOAT(src[1]); /* linear */ -} - -#if DIM == 3 -static void store_texel_sla8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[ACOMP]; -} -#endif - - -/* MESA_FORMAT_RGBA_INT8 **************************************************/ - -static void -FETCH(rgba_int8)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 4); - texel[RCOMP] = (GLfloat) src[0]; - texel[GCOMP] = (GLfloat) src[1]; - texel[BCOMP] = (GLfloat) src[2]; - texel[ACOMP] = (GLfloat) src[3]; -} - -#if DIM == 3 -static void -store_texel_rgba_int8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLbyte *rgba = (const GLbyte *) texel; - GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 4); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; - dst[3] = rgba[ACOMP]; -} -#endif - - -/* MESA_FORMAT_RGBA_INT16 **************************************************/ - -static void -FETCH(rgba_int16)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLshort *src = TEXEL_ADDR(GLshort, texImage, i, j, k, 4); - texel[RCOMP] = (GLfloat) src[0]; - texel[GCOMP] = (GLfloat) src[1]; - texel[BCOMP] = (GLfloat) src[2]; - texel[ACOMP] = (GLfloat) src[3]; -} - -#if DIM == 3 -static void -store_texel_rgba_int16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLshort *rgba = (const GLshort *) texel; - GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; - dst[3] = rgba[ACOMP]; -} -#endif - - -/* MESA_FORMAT_RGBA_INT32 **************************************************/ - -static void -FETCH(rgba_int32)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLint *src = TEXEL_ADDR(GLint, texImage, i, j, k, 4); - texel[RCOMP] = (GLfloat) src[0]; - texel[GCOMP] = (GLfloat) src[1]; - texel[BCOMP] = (GLfloat) src[2]; - texel[ACOMP] = (GLfloat) src[3]; -} - -#if DIM == 3 -static void -store_texel_rgba_int32(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLint *rgba = (const GLint *) texel; - GLint *dst = TEXEL_ADDR(GLint, texImage, i, j, k, 4); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; - dst[3] = rgba[ACOMP]; -} -#endif - - -/* MESA_FORMAT_RGBA_UINT8 **************************************************/ - -static void -FETCH(rgba_uint8)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4); - texel[RCOMP] = (GLfloat) src[0]; - texel[GCOMP] = (GLfloat) src[1]; - texel[BCOMP] = (GLfloat) src[2]; - texel[ACOMP] = (GLfloat) src[3]; -} - -#if DIM == 3 -static void -store_texel_rgba_uint8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; - dst[3] = rgba[ACOMP]; -} -#endif - - -/* MESA_FORMAT_RGBA_UINT16 **************************************************/ - -static void -FETCH(rgba_uint16)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 4); - texel[RCOMP] = (GLfloat) src[0]; - texel[GCOMP] = (GLfloat) src[1]; - texel[BCOMP] = (GLfloat) src[2]; - texel[ACOMP] = (GLfloat) src[3]; -} - -#if DIM == 3 -static void -store_texel_rgba_uint16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLushort *rgba = (const GLushort *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 4); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; - dst[3] = rgba[ACOMP]; -} -#endif - - -/* MESA_FORMAT_RGBA_UINT32 **************************************************/ - -static void -FETCH(rgba_uint32)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 4); - texel[RCOMP] = (GLfloat) src[0]; - texel[GCOMP] = (GLfloat) src[1]; - texel[BCOMP] = (GLfloat) src[2]; - texel[ACOMP] = (GLfloat) src[3]; -} - -#if DIM == 3 -static void -store_texel_rgba_uint32(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLuint *rgba = (const GLuint *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 4); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; - dst[3] = rgba[ACOMP]; -} -#endif - - -/* MESA_FORMAT_DUDV8 ********************************************************/ - -/* this format by definition produces 0,0,0,1 as rgba values, - however we'll return the dudv values as rg and fix up elsewhere */ -static void FETCH(dudv8)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 2); - texel[RCOMP] = BYTE_TO_FLOAT(src[0]); - texel[GCOMP] = BYTE_TO_FLOAT(src[1]); - texel[BCOMP] = 0; - texel[ACOMP] = 0; -} - - -/* MESA_FORMAT_SIGNED_R8 ***********************************************/ - -static void FETCH(signed_r8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); - texel[RCOMP] = BYTE_TO_FLOAT_TEX( s ); - texel[GCOMP] = 0.0F; - texel[BCOMP] = 0.0F; - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_signed_r8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLbyte *rgba = (const GLbyte *) texel; - GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); - *dst = rgba[RCOMP]; -} -#endif - - -/* MESA_FORMAT_SIGNED_RG88 ***********************************************/ - -static void FETCH(signed_rg88)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); - texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); - texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s & 0xff) ); - texel[BCOMP] = 0.0F; - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_signed_rg88(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLbyte *rg = (const GLbyte *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 2); - *dst = PACK_COLOR_88(rg[RCOMP], rg[GCOMP]); -} -#endif - - -/* MESA_FORMAT_SIGNED_RGBX8888 ***********************************************/ - -static void FETCH(signed_rgbx8888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) ); - texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) ); - texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); - texel[ACOMP] = 1.0f; -} - -#if DIM == 3 -static void store_texel_signed_rgbx8888(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLbyte *rgba = (const GLbyte *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], 255); -} -#endif - - -/* MESA_FORMAT_SIGNED_RGBA8888 ***********************************************/ - -static void FETCH(signed_rgba8888)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) ); - texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) ); - texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); - texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s ) ); -} - -#if DIM == 3 -static void store_texel_signed_rgba8888(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLbyte *rgba = (const GLbyte *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); -} -#endif - -static void FETCH(signed_rgba8888_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s ) ); - texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); - texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) ); - texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) ); -} - -#if DIM == 3 -static void store_texel_signed_rgba8888_rev(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLubyte *rgba = (const GLubyte *) texel; - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - *dst = PACK_COLOR_8888_REV(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); -} -#endif - - - -/* MESA_FORMAT_SIGNED_R_16 ***********************************************/ - -static void -FETCH(signed_r_16)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel) -{ - const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); - texel[RCOMP] = SHORT_TO_FLOAT_TEX( s ); - texel[GCOMP] = 0.0F; - texel[BCOMP] = 0.0F; - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void -store_texel_signed_r_16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLshort *rgba = (const GLshort *) texel; - GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1); - *dst = rgba[0]; -} -#endif - - -/* MESA_FORMAT_SIGNED_RG_16 ***********************************************/ - -static void -FETCH(signed_rg_16)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel) -{ - const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 2); - texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] ); - texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] ); - texel[BCOMP] = 0.0F; - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void -store_texel_signed_rg_16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLshort *rgba = (const GLshort *) texel; - GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[GCOMP]; -} -#endif - - -/* MESA_FORMAT_SIGNED_RGBA_16 ***********************************************/ - -static void -FETCH(signed_rgb_16)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel) -{ - const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 3); - texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] ); - texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] ); - texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[2] ); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void -store_texel_signed_rgb_16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLshort *rgba = (const GLshort *) texel; - GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 3); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; -} -#endif - - -/* MESA_FORMAT_SIGNED_RGBA_16 ***********************************************/ - -static void -FETCH(signed_rgba_16)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel) -{ - const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 4); - texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] ); - texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] ); - texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[2] ); - texel[ACOMP] = SHORT_TO_FLOAT_TEX( s[3] ); -} - -#if DIM == 3 -static void -store_texel_signed_rgba_16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLshort *rgba = (const GLshort *) texel; - GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; - dst[3] = rgba[ACOMP]; -} -#endif - - - -/* MESA_FORMAT_RGBA_16 ***********************************************/ - -static void -FETCH(rgba_16)(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel) -{ - const GLushort *s = TEXEL_ADDR(GLushort, texImage, i, j, k, 4); - texel[RCOMP] = USHORT_TO_FLOAT( s[0] ); - texel[GCOMP] = USHORT_TO_FLOAT( s[1] ); - texel[BCOMP] = USHORT_TO_FLOAT( s[2] ); - texel[ACOMP] = USHORT_TO_FLOAT( s[3] ); -} - -#if DIM == 3 -static void -store_texel_rgba_16(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - const GLushort *rgba = (const GLushort *) texel; - GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 4); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; - dst[3] = rgba[ACOMP]; -} -#endif - - - -/* MESA_FORMAT_YCBCR *********************************************************/ - -/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLfloats. - * We convert YCbCr to RGB here. - */ -static void FETCH(f_ycbcr)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */ - const GLushort *src1 = src0 + 1; /* odd */ - const GLubyte y0 = (*src0 >> 8) & 0xff; /* luminance */ - const GLubyte cb = *src0 & 0xff; /* chroma U */ - const GLubyte y1 = (*src1 >> 8) & 0xff; /* luminance */ - const GLubyte cr = *src1 & 0xff; /* chroma V */ - const GLubyte y = (i & 1) ? y1 : y0; /* choose even/odd luminance */ - GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128); - GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128); - GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128); - r *= (1.0F / 255.0F); - g *= (1.0F / 255.0F); - b *= (1.0F / 255.0F); - texel[RCOMP] = CLAMP(r, 0.0F, 1.0F); - texel[GCOMP] = CLAMP(g, 0.0F, 1.0F); - texel[BCOMP] = CLAMP(b, 0.0F, 1.0F); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_ycbcr(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - (void) texImage; - (void) i; - (void) j; - (void) k; - (void) texel; - /* XXX to do */ -} -#endif - - -/* MESA_FORMAT_YCBCR_REV *****************************************************/ - -/* Fetch texel from 1D, 2D or 3D ycbcr_rev texture, return 4 GLfloats. - * We convert YCbCr to RGB here. - */ -static void FETCH(f_ycbcr_rev)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */ - const GLushort *src1 = src0 + 1; /* odd */ - const GLubyte y0 = *src0 & 0xff; /* luminance */ - const GLubyte cr = (*src0 >> 8) & 0xff; /* chroma V */ - const GLubyte y1 = *src1 & 0xff; /* luminance */ - const GLubyte cb = (*src1 >> 8) & 0xff; /* chroma U */ - const GLubyte y = (i & 1) ? y1 : y0; /* choose even/odd luminance */ - GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128); - GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128); - GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128); - r *= (1.0F / 255.0F); - g *= (1.0F / 255.0F); - b *= (1.0F / 255.0F); - texel[RCOMP] = CLAMP(r, 0.0F, 1.0F); - texel[GCOMP] = CLAMP(g, 0.0F, 1.0F); - texel[BCOMP] = CLAMP(b, 0.0F, 1.0F); - texel[ACOMP] = 1.0F; -} - -#if DIM == 3 -static void store_texel_ycbcr_rev(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - (void) texImage; - (void) i; - (void) j; - (void) k; - (void) texel; - /* XXX to do */ -} -#endif - - -/* MESA_TEXFORMAT_Z24_S8 ***************************************************/ - -static void FETCH(f_z24_s8)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - /* only return Z, not stencil data */ - const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - const GLfloat scale = 1.0F / (GLfloat) 0xffffff; - texel[0] = ((*src) >> 8) * scale; - ASSERT(texImage->TexFormat == MESA_FORMAT_Z24_S8); - ASSERT(texel[0] >= 0.0F); - ASSERT(texel[0] <= 1.0F); -} - -#if DIM == 3 -static void store_texel_z24_s8(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - /* only store Z, not stencil */ - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - GLfloat depth = *((GLfloat *) texel); - GLuint zi = ((GLuint) (depth * 0xffffff)) << 8; - *dst = zi | (*dst & 0xff); -} -#endif - - -/* MESA_TEXFORMAT_S8_Z24 ***************************************************/ - -static void FETCH(f_s8_z24)( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLfloat *texel ) -{ - /* only return Z, not stencil data */ - const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - const GLfloat scale = 1.0F / (GLfloat) 0xffffff; - texel[0] = ((*src) & 0x00ffffff) * scale; - ASSERT(texImage->TexFormat == MESA_FORMAT_S8_Z24); - ASSERT(texel[0] >= 0.0F); - ASSERT(texel[0] <= 1.0F); -} - -#if DIM == 3 -static void store_texel_s8_z24(struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, const void *texel) -{ - /* only store Z, not stencil */ - GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); - GLfloat depth = *((GLfloat *) texel); - GLuint zi = (GLuint) (depth * 0xffffff); - *dst = zi | (*dst & 0xff000000); -} -#endif - - -#undef TEXEL_ADDR -#undef DIM -#undef FETCH +/* + * Mesa 3-D graphics library + * Version: 7.7 + * + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (c) 2008-2009 VMware, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file texfetch_tmp.h + * Texel fetch functions template. + * + * This template file is used by texfetch.c to generate texel fetch functions + * for 1-D, 2-D and 3-D texture images. + * + * It should be expanded by defining \p DIM as the number texture dimensions + * (1, 2 or 3). According to the value of \p DIM a series of macros is defined + * for the texel lookup in the gl_texture_image::Data. + * + * \author Gareth Hughes + * \author Brian Paul + */ + + +#if DIM == 1 + +#define TEXEL_ADDR( type, image, i, j, k, size ) \ + ((void) (j), (void) (k), ((type *)(image)->Data + (i) * (size))) + +#define FETCH(x) fetch_texel_1d_##x + +#elif DIM == 2 + +#define TEXEL_ADDR( type, image, i, j, k, size ) \ + ((void) (k), \ + ((type *)(image)->Data + ((image)->RowStride * (j) + (i)) * (size))) + +#define FETCH(x) fetch_texel_2d_##x + +#elif DIM == 3 + +#define TEXEL_ADDR( type, image, i, j, k, size ) \ + ((type *)(image)->Data + ((image)->ImageOffsets[k] \ + + (image)->RowStride * (j) + (i)) * (size)) + +#define FETCH(x) fetch_texel_3d_##x + +#else +#error illegal number of texture dimensions +#endif + + +/* MESA_FORMAT_Z32 ***********************************************************/ + +/* Fetch depth texel from 1D, 2D or 3D 32-bit depth texture, + * returning 1 GLfloat. + * Note: no GLchan version of this function. + */ +static void FETCH(f_z32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[0] = src[0] * (1.0F / 0xffffffff); +} + +#if DIM == 3 +static void store_texel_z32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLuint *depth = (const GLuint *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + dst[0] = *depth; +} +#endif + + +/* MESA_FORMAT_Z16 ***********************************************************/ + +/* Fetch depth texel from 1D, 2D or 3D 16-bit depth texture, + * returning 1 GLfloat. + * Note: no GLchan version of this function. + */ +static void FETCH(f_z16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[0] = src[0] * (1.0F / 65535.0F); +} + +#if DIM == 3 +static void store_texel_z16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *depth = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + dst[0] = *depth; +} +#endif + + +/* MESA_FORMAT_RGBA_F32 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT32 texture, returning 4 GLfloats. + */ +static void FETCH(f_rgba_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 4); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[1]; + texel[BCOMP] = src[2]; + texel[ACOMP] = src[3]; +} + +#if DIM == 3 +static void store_texel_rgba_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *depth = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 4); + dst[0] = depth[RCOMP]; + dst[1] = depth[GCOMP]; + dst[2] = depth[BCOMP]; + dst[3] = depth[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_F16 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rgba_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 4); + texel[RCOMP] = _mesa_half_to_float(src[0]); + texel[GCOMP] = _mesa_half_to_float(src[1]); + texel[BCOMP] = _mesa_half_to_float(src[2]); + texel[ACOMP] = _mesa_half_to_float(src[3]); +} + +#if DIM == 3 +static void store_texel_rgba_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *src = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 4); + dst[0] = _mesa_float_to_half(src[RCOMP]); + dst[1] = _mesa_float_to_half(src[GCOMP]); + dst[2] = _mesa_float_to_half(src[BCOMP]); + dst[3] = _mesa_float_to_half(src[ACOMP]); +} +#endif + +/* MESA_FORMAT_RGB_F32 *******************************************************/ + +/* Fetch texel from 1D, 2D or 3D RGB_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rgb_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 3); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[1]; + texel[BCOMP] = src[2]; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *src = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 3); + dst[0] = src[RCOMP]; + dst[1] = src[GCOMP]; + dst[2] = src[BCOMP]; +} +#endif + + +/* MESA_FORMAT_RGB_F16 *******************************************************/ + +/* Fetch texel from 1D, 2D or 3D RGB_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rgb_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 3); + texel[RCOMP] = _mesa_half_to_float(src[0]); + texel[GCOMP] = _mesa_half_to_float(src[1]); + texel[BCOMP] = _mesa_half_to_float(src[2]); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *src = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 3); + dst[0] = _mesa_float_to_half(src[RCOMP]); + dst[1] = _mesa_float_to_half(src[GCOMP]); + dst[2] = _mesa_float_to_half(src[BCOMP]); +} +#endif + + +/* MESA_FORMAT_ALPHA_F32 *****************************************************/ + +/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = src[0]; +} + +#if DIM == 3 +static void store_texel_alpha_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + dst[0] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_ALPHA_F32 *****************************************************/ + +/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = _mesa_half_to_float(src[0]); +} + +#if DIM == 3 +static void store_texel_alpha_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + dst[0] = _mesa_float_to_half(rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_LUMINANCE_F32 *************************************************/ + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = src[0]; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_luminance_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + dst[0] = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_LUMINANCE_F16 *************************************************/ + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = _mesa_half_to_float(src[0]); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_luminance_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + dst[0] = _mesa_float_to_half(rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_LUMINANCE_ALPHA_F32 *******************************************/ + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = src[0]; + texel[ACOMP] = src[1]; +} + +#if DIM == 3 +static void store_texel_luminance_alpha_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_LUMINANCE_ALPHA_F16 *******************************************/ + +/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = _mesa_half_to_float(src[0]); + texel[ACOMP] = _mesa_half_to_float(src[1]); +} + +#if DIM == 3 +static void store_texel_luminance_alpha_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2); + dst[0] = _mesa_float_to_half(rgba[RCOMP]); + dst[1] = _mesa_float_to_half(rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_INTENSITY_F32 *************************************************/ + +/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_intensity_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = src[0]; +} + +#if DIM == 3 +static void store_texel_intensity_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + dst[0] = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_INTENSITY_F16 *************************************************/ + +/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_intensity_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = _mesa_half_to_float(src[0]); +} + +#if DIM == 3 +static void store_texel_intensity_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + dst[0] = _mesa_float_to_half(rgba[RCOMP]); +} +#endif + + + + +/* + * Begin Hardware formats + */ + +/* MESA_FORMAT_RGBA8888 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgba8888 texture, return 4 GLfloats */ +static void FETCH(f_rgba8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 24) ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); +} + + + +#if DIM == 3 +static void store_texel_rgba8888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_RGBA888_REV ***************************************************/ + +/* Fetch texel from 1D, 2D or 3D abgr8888 texture, return 4 GLchans */ +static void FETCH(f_rgba8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); +} + +#if DIM == 3 +static void store_texel_rgba8888_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888_REV(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_ARGB8888 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb8888 texture, return 4 GLchans */ +static void FETCH(f_argb8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); +} + +#if DIM == 3 +static void store_texel_argb8888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_ARGB8888_REV **************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb8888_rev texture, return 4 GLfloats */ +static void FETCH(f_argb8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24) ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); +} + +#if DIM == 3 +static void store_texel_argb8888_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_XRGB8888 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D xrgb8888 texture, return 4 GLchans */ +static void FETCH(f_xrgb8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); + texel[ACOMP] = 1.0f; +} + +#if DIM == 3 +static void store_texel_xrgb8888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(0xff, rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_XRGB8888_REV **************************************************/ + +/* Fetch texel from 1D, 2D or 3D xrgb8888_rev texture, return 4 GLfloats */ +static void FETCH(f_xrgb8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff ); + texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24) ); + texel[ACOMP] = 1.0f; +} + +#if DIM == 3 +static void store_texel_xrgb8888_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], 0xff); +} +#endif + + +/* MESA_FORMAT_RGB888 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgb888 texture, return 4 GLchans */ +static void FETCH(f_rgb888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + texel[RCOMP] = UBYTE_TO_FLOAT( src[2] ); + texel[GCOMP] = UBYTE_TO_FLOAT( src[1] ); + texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + dst[0] = rgba[BCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_BGR888 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D bgr888 texture, return 4 GLchans */ +static void FETCH(f_bgr888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + texel[RCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[GCOMP] = UBYTE_TO_FLOAT( src[1] ); + texel[BCOMP] = UBYTE_TO_FLOAT( src[2] ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_bgr888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; +} +#endif + + +/* use color expansion like (g << 2) | (g >> 4) (does somewhat random rounding) + instead of slow (g << 2) * 255 / 252 (always rounds down) */ + +/* MESA_FORMAT_RGB565 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgb565 texture, return 4 GLchans */ +static void FETCH(f_rgb565)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = *src; + texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F); + texel[GCOMP] = ((s >> 5 ) & 0x3f) * (1.0F / 63.0F); + texel[BCOMP] = ((s ) & 0x1f) * (1.0F / 31.0F); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb565(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_565(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_RGB565_REV ****************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgb565_rev texture, return 4 GLchans */ +static void FETCH(f_rgb565_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = (*src >> 8) | (*src << 8); /* byte swap */ + texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) ); + texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 3) & 0xfc) | ((s >> 9) & 0x3) ); + texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb565_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_565(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_ARGB4444 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb444 texture, return 4 GLchans */ +static void FETCH(f_argb4444)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = *src; + texel[RCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F); + texel[GCOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); + texel[BCOMP] = ((s ) & 0xf) * (1.0F / 15.0F); + texel[ACOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F); +} + +#if DIM == 3 +static void store_texel_argb4444(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_4444(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_ARGB4444_REV **************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb4444_rev texture, return 4 GLchans */ +static void FETCH(f_argb4444_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = ((s ) & 0xf) * (1.0F / 15.0F); + texel[GCOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F); + texel[BCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F); + texel[ACOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); +} + +#if DIM == 3 +static void store_texel_argb4444_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_4444(rgba[ACOMP], rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]); +} +#endif + +/* MESA_FORMAT_RGBA5551 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */ +static void FETCH(f_rgba5551)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = *src; + texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F); + texel[GCOMP] = ((s >> 6) & 0x1f) * (1.0F / 31.0F); + texel[BCOMP] = ((s >> 1) & 0x1f) * (1.0F / 31.0F); + texel[ACOMP] = ((s ) & 0x01) * 1.0F; +} + +#if DIM == 3 +static void store_texel_rgba5551(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_5551(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + +/* MESA_FORMAT_ARGB1555 ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */ +static void FETCH(f_argb1555)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = *src; + texel[RCOMP] = ((s >> 10) & 0x1f) * (1.0F / 31.0F); + texel[GCOMP] = ((s >> 5) & 0x1f) * (1.0F / 31.0F); + texel[BCOMP] = ((s >> 0) & 0x1f) * (1.0F / 31.0F); + texel[ACOMP] = ((s >> 15) & 0x01) * 1.0F; +} + +#if DIM == 3 +static void store_texel_argb1555(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_1555(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_ARGB1555_REV **************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb1555_rev texture, return 4 GLchans */ +static void FETCH(f_argb1555_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + const GLushort s = (*src << 8) | (*src >> 8); /* byteswap */ + texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 7) & 0xf8) | ((s >> 12) & 0x7) ); + texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 2) & 0xf8) | ((s >> 7) & 0x7) ); + texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) ); + texel[ACOMP] = UBYTE_TO_FLOAT( ((s >> 15) & 0x01) * 255 ); +} + +#if DIM == 3 +static void store_texel_argb1555_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_1555_REV(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_ARGB2101010 ***************************************************/ + +/* Fetch texel from 1D, 2D or 3D argb2101010 texture, return 4 GLchans */ +static void FETCH(f_argb2101010)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + const GLuint s = *src; + texel[RCOMP] = ((s >> 20) & 0x3ff) * (1.0F / 1023.0F); + texel[GCOMP] = ((s >> 10) & 0x3ff) * (1.0F / 1023.0F); + texel[BCOMP] = ((s >> 0) & 0x3ff) * (1.0F / 1023.0F); + texel[ACOMP] = ((s >> 30) & 0x03) * (1.0F / 3.0F); +} + +#if DIM == 3 +static void store_texel_argb2101010(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_2101010_UB(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_RG88 **********************************************************/ + +/* Fetch texel from 1D, 2D or 3D rg88 texture, return 4 GLchans */ +static void FETCH(f_rg88)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( s & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( s >> 8 ); + texel[BCOMP] = 0.0; + texel[ACOMP] = 1.0; +} + +#if DIM == 3 +static void store_texel_rg88(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_88(rgba[RCOMP], rgba[GCOMP]); +} +#endif + + +/* MESA_FORMAT_RG88_REV ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D rg88_rev texture, return 4 GLchans */ +static void FETCH(f_rg88_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT( s & 0xff ); + texel[GCOMP] = UBYTE_TO_FLOAT( s >> 8 ); + texel[BCOMP] = 0.0; + texel[ACOMP] = 1.0; +} + +#if DIM == 3 +static void store_texel_rg88_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_88(rgba[GCOMP], rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_AL44 **********************************************************/ + +/* Fetch texel from 1D, 2D or 3D al44 texture, return 4 GLchans */ +static void FETCH(f_al44)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte s = *TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = (s & 0xf) * (1.0F / 15.0F); + texel[ACOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); +} + +#if DIM == 3 +static void store_texel_al44(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = PACK_COLOR_44(rgba[ACOMP], rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_AL88 **********************************************************/ + +/* Fetch texel from 1D, 2D or 3D al88 texture, return 4 GLchans */ +static void FETCH(f_al88)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_FLOAT( s & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( s >> 8 ); +} + +#if DIM == 3 +static void store_texel_al88(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_88(rgba[ACOMP], rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_R8 ************************************************************/ + +/* Fetch texel from 1D, 2D or 3D rg88 texture, return 4 GLchans */ +static void FETCH(f_r8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLubyte s = *TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = UBYTE_TO_FLOAT(s); + texel[GCOMP] = 0.0; + texel[BCOMP] = 0.0; + texel[ACOMP] = 1.0; +} + +#if DIM == 3 +static void store_texel_r8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_R16 ***********************************************************/ + +/* Fetch texel from 1D, 2D or 3D r16 texture, return 4 GLchans */ +static void FETCH(f_r16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = USHORT_TO_FLOAT(s); + texel[GCOMP] = 0.0; + texel[BCOMP] = 0.0; + texel[ACOMP] = 1.0; +} + +#if DIM == 3 +static void store_texel_r16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_AL88_REV ******************************************************/ + +/* Fetch texel from 1D, 2D or 3D al88_rev texture, return 4 GLchans */ +static void FETCH(f_al88_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_FLOAT( s >> 8 ); + texel[ACOMP] = UBYTE_TO_FLOAT( s & 0xff ); +} + +#if DIM == 3 +static void store_texel_al88_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_88(rgba[RCOMP], rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_RG1616 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D rg1616 texture, return 4 GLchans */ +static void FETCH(f_rg1616)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = USHORT_TO_FLOAT( s & 0xffff ); + texel[GCOMP] = USHORT_TO_FLOAT( s >> 16 ); + texel[BCOMP] = 0.0; + texel[ACOMP] = 1.0; +} + +#if DIM == 3 +static void store_texel_rg1616(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_1616(rgba[RCOMP], rgba[GCOMP]); +} +#endif + + +/* MESA_FORMAT_RG1616_REV ****************************************************/ + +/* Fetch texel from 1D, 2D or 3D rg1616_rev texture, return 4 GLchans */ +static void FETCH(f_rg1616_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = USHORT_TO_FLOAT( s >> 16 ); + texel[GCOMP] = USHORT_TO_FLOAT( s & 0xffff ); + texel[BCOMP] = 0.0; + texel[ACOMP] = 1.0; +} + +#if DIM == 3 +static void store_texel_rg1616_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = PACK_COLOR_1616(rgba[GCOMP], rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_AL1616 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D al1616 texture, return 4 GLchans */ +static void FETCH(f_al1616)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = USHORT_TO_FLOAT( s & 0xffff ); + texel[ACOMP] = USHORT_TO_FLOAT( s >> 16 ); +} + +#if DIM == 3 +static void store_texel_al1616(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_1616(rgba[ACOMP], rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_AL1616_REV ****************************************************/ + +/* Fetch texel from 1D, 2D or 3D al1616_rev texture, return 4 GLchans */ +static void FETCH(f_al1616_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = USHORT_TO_FLOAT( s >> 16 ); + texel[ACOMP] = USHORT_TO_FLOAT( s & 0xffff ); +} + +#if DIM == 3 +static void store_texel_al1616_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_1616(rgba[RCOMP], rgba[ACOMP]); +} +#endif + + +/* MESA_FORMAT_RGB332 ********************************************************/ + +/* Fetch texel from 1D, 2D or 3D rgb332 texture, return 4 GLchans */ +static void FETCH(f_rgb332)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + const GLubyte s = *src; + texel[RCOMP] = ((s >> 5) & 0x7) * (1.0F / 7.0F); + texel[GCOMP] = ((s >> 2) & 0x7) * (1.0F / 7.0F); + texel[BCOMP] = ((s ) & 0x3) * (1.0F / 3.0F); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rgb332(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = PACK_COLOR_332(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + + +/* MESA_FORMAT_A8 ************************************************************/ + +/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */ +static void FETCH(f_a8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); +} + +#if DIM == 3 +static void store_texel_a8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_A16 ************************************************************/ + +/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */ +static void FETCH(f_a16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = USHORT_TO_FLOAT( src[0] ); +} + +#if DIM == 3 +static void store_texel_a16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_L8 ************************************************************/ + +/* Fetch texel from 1D, 2D or 3D l8 texture, return 4 GLchans */ +static void FETCH(f_l8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = UBYTE_TO_FLOAT( src[0] ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_l8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_L16 ***********************************************************/ + +/* Fetch texel from 1D, 2D or 3D l16 texture, return 4 GLchans */ +static void FETCH(f_l16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = USHORT_TO_FLOAT( src[0] ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_l16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_I8 ************************************************************/ + +/* Fetch texel from 1D, 2D or 3D i8 texture, return 4 GLchans */ +static void FETCH(f_i8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = UBYTE_TO_FLOAT( src[0] ); +} + +#if DIM == 3 +static void store_texel_i8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_I16 ***********************************************************/ + +/* Fetch texel from 1D, 2D or 3D i16 texture, return 4 GLchans */ +static void FETCH(f_i16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = USHORT_TO_FLOAT( src[0] ); +} + +#if DIM == 3 +static void store_texel_i16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_CI8 ***********************************************************/ + +/* Fetch CI texel from 1D, 2D or 3D ci8 texture, lookup the index in a + * color table, and return 4 GLchans. + */ +static void FETCH(f_ci8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + const struct gl_color_table *palette; + GLuint index; + GET_CURRENT_CONTEXT(ctx); + + if (ctx->Texture.SharedPalette) { + palette = &ctx->Texture.Palette; + } + else { + palette = &texImage->TexObject->Palette; + } + if (palette->Size == 0) + return; /* undefined results */ + + /* Mask the index against size of palette to avoid going out of bounds */ + index = (*src) & (palette->Size - 1); + + { + const GLfloat *table = palette->TableF; + switch (palette->_BaseFormat) { + case GL_ALPHA: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = table[index]; + break; + case GL_LUMINANCE: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = table[index]; + texel[ACOMP] = 1.0F; + break; + case GL_INTENSITY: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = table[index]; + break; + case GL_LUMINANCE_ALPHA: + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = table[index * 2 + 0]; + texel[ACOMP] = table[index * 2 + 1]; + break; + case GL_RGB: + texel[RCOMP] = table[index * 3 + 0]; + texel[GCOMP] = table[index * 3 + 1]; + texel[BCOMP] = table[index * 3 + 2]; + texel[ACOMP] = 1.0F; + break; + case GL_RGBA: + texel[RCOMP] = table[index * 4 + 0]; + texel[GCOMP] = table[index * 4 + 1]; + texel[BCOMP] = table[index * 4 + 2]; + texel[ACOMP] = table[index * 4 + 3]; + break; + default: + _mesa_problem(ctx, "Bad palette format in fetch_texel_ci8"); + return; + } + } +} + +#if DIM == 3 +static void store_texel_ci8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *index = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + *dst = *index; +} +#endif + + +/* Fetch texel from 1D, 2D or 3D srgb8 texture, return 4 GLfloats */ +/* Note: component order is same as for MESA_FORMAT_RGB888 */ +static void FETCH(srgb8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + texel[RCOMP] = nonlinear_to_linear(src[2]); + texel[GCOMP] = nonlinear_to_linear(src[1]); + texel[BCOMP] = nonlinear_to_linear(src[0]); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_srgb8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3); + dst[0] = rgba[BCOMP]; /* no conversion */ + dst[1] = rgba[GCOMP]; + dst[2] = rgba[RCOMP]; +} +#endif + +/* Fetch texel from 1D, 2D or 3D srgba8 texture, return 4 GLfloats */ +static void FETCH(srgba8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = nonlinear_to_linear( (s >> 24) ); + texel[GCOMP] = nonlinear_to_linear( (s >> 16) & 0xff ); + texel[BCOMP] = nonlinear_to_linear( (s >> 8) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff ); /* linear! */ +} + +#if DIM == 3 +static void store_texel_srgba8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + +/* Fetch texel from 1D, 2D or 3D sargb8 texture, return 4 GLfloats */ +static void FETCH(sargb8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = nonlinear_to_linear( (s >> 16) & 0xff ); + texel[GCOMP] = nonlinear_to_linear( (s >> 8) & 0xff ); + texel[BCOMP] = nonlinear_to_linear( (s ) & 0xff ); + texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); /* linear! */ +} + +#if DIM == 3 +static void store_texel_sargb8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]); +} +#endif + +/* Fetch texel from 1D, 2D or 3D sl8 texture, return 4 GLfloats */ +static void FETCH(sl8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = nonlinear_to_linear(src[0]); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_sl8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); + dst[0] = rgba[RCOMP]; +} +#endif + +/* Fetch texel from 1D, 2D or 3D sla8 texture, return 4 GLfloats */ +static void FETCH(sla8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = nonlinear_to_linear(src[0]); + texel[ACOMP] = UBYTE_TO_FLOAT(src[1]); /* linear */ +} + +#if DIM == 3 +static void store_texel_sla8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_INT8 **************************************************/ + +static void +FETCH(rgba_int8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 4); + texel[RCOMP] = (GLfloat) src[0]; + texel[GCOMP] = (GLfloat) src[1]; + texel[BCOMP] = (GLfloat) src[2]; + texel[ACOMP] = (GLfloat) src[3]; +} + +#if DIM == 3 +static void +store_texel_rgba_int8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_INT16 **************************************************/ + +static void +FETCH(rgba_int16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLshort *src = TEXEL_ADDR(GLshort, texImage, i, j, k, 4); + texel[RCOMP] = (GLfloat) src[0]; + texel[GCOMP] = (GLfloat) src[1]; + texel[BCOMP] = (GLfloat) src[2]; + texel[ACOMP] = (GLfloat) src[3]; +} + +#if DIM == 3 +static void +store_texel_rgba_int16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_INT32 **************************************************/ + +static void +FETCH(rgba_int32)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLint *src = TEXEL_ADDR(GLint, texImage, i, j, k, 4); + texel[RCOMP] = (GLfloat) src[0]; + texel[GCOMP] = (GLfloat) src[1]; + texel[BCOMP] = (GLfloat) src[2]; + texel[ACOMP] = (GLfloat) src[3]; +} + +#if DIM == 3 +static void +store_texel_rgba_int32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLint *rgba = (const GLint *) texel; + GLint *dst = TEXEL_ADDR(GLint, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_UINT8 **************************************************/ + +static void +FETCH(rgba_uint8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4); + texel[RCOMP] = (GLfloat) src[0]; + texel[GCOMP] = (GLfloat) src[1]; + texel[BCOMP] = (GLfloat) src[2]; + texel[ACOMP] = (GLfloat) src[3]; +} + +#if DIM == 3 +static void +store_texel_rgba_uint8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_UINT16 **************************************************/ + +static void +FETCH(rgba_uint16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 4); + texel[RCOMP] = (GLfloat) src[0]; + texel[GCOMP] = (GLfloat) src[1]; + texel[BCOMP] = (GLfloat) src[2]; + texel[ACOMP] = (GLfloat) src[3]; +} + +#if DIM == 3 +static void +store_texel_rgba_uint16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_RGBA_UINT32 **************************************************/ + +static void +FETCH(rgba_uint32)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 4); + texel[RCOMP] = (GLfloat) src[0]; + texel[GCOMP] = (GLfloat) src[1]; + texel[BCOMP] = (GLfloat) src[2]; + texel[ACOMP] = (GLfloat) src[3]; +} + +#if DIM == 3 +static void +store_texel_rgba_uint32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLuint *rgba = (const GLuint *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_DUDV8 ********************************************************/ + +/* this format by definition produces 0,0,0,1 as rgba values, + however we'll return the dudv values as rg and fix up elsewhere */ +static void FETCH(dudv8)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 2); + texel[RCOMP] = BYTE_TO_FLOAT(src[0]); + texel[GCOMP] = BYTE_TO_FLOAT(src[1]); + texel[BCOMP] = 0; + texel[ACOMP] = 0; +} + + +/* MESA_FORMAT_SIGNED_R8 ***********************************************/ + +static void FETCH(signed_r8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + texel[RCOMP] = BYTE_TO_FLOAT_TEX( s ); + texel[GCOMP] = 0.0F; + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_signed_r8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_A8 ***********************************************/ + +static void FETCH(signed_a8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + texel[RCOMP] = 0.0F; + texel[GCOMP] = 0.0F; + texel[BCOMP] = 0.0F; + texel[ACOMP] = BYTE_TO_FLOAT_TEX( s ); +} + +#if DIM == 3 +static void store_texel_signed_a8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + *dst = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_L8 ***********************************************/ + +static void FETCH(signed_l8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = BYTE_TO_FLOAT_TEX( s ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_signed_l8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_I8 ***********************************************/ + +static void FETCH(signed_i8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = BYTE_TO_FLOAT_TEX( s ); +} + +#if DIM == 3 +static void store_texel_signed_i8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_RG88_REV ***********************************************/ + +static void FETCH(signed_rg88_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s & 0xff) ); + texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_signed_rg88_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rg = (const GLbyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + dst[0] = PACK_COLOR_88(rg[GCOMP], rg[RCOMP]); +} +#endif + + +/* MESA_FORMAT_SIGNED_AL88 ***********************************************/ + +static void FETCH(signed_al88)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s & 0xff) ); + texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); +} + +#if DIM == 3 +static void store_texel_signed_al88(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rg = (const GLbyte *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1); + dst[0] = PACK_COLOR_88(rg[ACOMP], rg[RCOMP]); +} +#endif + + +/* MESA_FORMAT_SIGNED_RGBX8888 ***********************************************/ + +static void FETCH(signed_rgbx8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) ); + texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) ); + texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); + texel[ACOMP] = 1.0f; +} + +#if DIM == 3 +static void store_texel_signed_rgbx8888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], 255); +} +#endif + + +/* MESA_FORMAT_SIGNED_RGBA8888 ***********************************************/ + +static void FETCH(signed_rgba8888)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) ); + texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) ); + texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); + texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s ) ); +} + +#if DIM == 3 +static void store_texel_signed_rgba8888(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLbyte *rgba = (const GLbyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + +static void FETCH(signed_rgba8888_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s ) ); + texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) ); + texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) ); + texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) ); +} + +#if DIM == 3 +static void store_texel_signed_rgba8888_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLubyte *rgba = (const GLubyte *) texel; + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + *dst = PACK_COLOR_8888_REV(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]); +} +#endif + + + +/* MESA_FORMAT_SIGNED_R16 ***********************************************/ + +static void +FETCH(signed_r16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + texel[RCOMP] = SHORT_TO_FLOAT_TEX( s ); + texel[GCOMP] = 0.0F; + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void +store_texel_signed_r16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + *dst = rgba[0]; +} +#endif + + +/* MESA_FORMAT_SIGNED_A16 ***********************************************/ + +static void +FETCH(signed_a16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + texel[RCOMP] = 0.0F; + texel[GCOMP] = 0.0F; + texel[BCOMP] = 0.0F; + texel[ACOMP] = SHORT_TO_FLOAT_TEX( s ); +} + +#if DIM == 3 +static void +store_texel_signed_a16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + *dst = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_L16 ***********************************************/ + +static void +FETCH(signed_l16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = SHORT_TO_FLOAT_TEX( s ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void +store_texel_signed_l16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_I16 ***********************************************/ + +static void +FETCH(signed_i16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = SHORT_TO_FLOAT_TEX( s ); +} + +#if DIM == 3 +static void +store_texel_signed_i16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1); + *dst = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_RG1616 ***********************************************/ + +static void +FETCH(signed_rg1616)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 2); + texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] ); + texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] ); + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void +store_texel_signed_rg1616(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_AL1616 ***********************************************/ + +static void +FETCH(signed_al1616)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 2); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[0] ); + texel[ACOMP] = SHORT_TO_FLOAT_TEX( s[1] ); +} + +#if DIM == 3 +static void +store_texel_signed_al1616(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[ACOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_RGB_16 ***********************************************/ + +static void +FETCH(signed_rgb_16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 3); + texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] ); + texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] ); + texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[2] ); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void +store_texel_signed_rgb_16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 3); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; +} +#endif + + +/* MESA_FORMAT_SIGNED_RGBA_16 ***********************************************/ + +static void +FETCH(signed_rgba_16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 4); + texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] ); + texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] ); + texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[2] ); + texel[ACOMP] = SHORT_TO_FLOAT_TEX( s[3] ); +} + +#if DIM == 3 +static void +store_texel_signed_rgba_16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLshort *rgba = (const GLshort *) texel; + GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + + +/* MESA_FORMAT_RGBA_16 ***********************************************/ + +static void +FETCH(rgba_16)(const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel) +{ + const GLushort *s = TEXEL_ADDR(GLushort, texImage, i, j, k, 4); + texel[RCOMP] = USHORT_TO_FLOAT( s[0] ); + texel[GCOMP] = USHORT_TO_FLOAT( s[1] ); + texel[BCOMP] = USHORT_TO_FLOAT( s[2] ); + texel[ACOMP] = USHORT_TO_FLOAT( s[3] ); +} + +#if DIM == 3 +static void +store_texel_rgba_16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLushort *rgba = (const GLushort *) texel; + GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 4); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; + dst[2] = rgba[BCOMP]; + dst[3] = rgba[ACOMP]; +} +#endif + + + +/* MESA_FORMAT_YCBCR *********************************************************/ + +/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLfloats. + * We convert YCbCr to RGB here. + */ +static void FETCH(f_ycbcr)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */ + const GLushort *src1 = src0 + 1; /* odd */ + const GLubyte y0 = (*src0 >> 8) & 0xff; /* luminance */ + const GLubyte cb = *src0 & 0xff; /* chroma U */ + const GLubyte y1 = (*src1 >> 8) & 0xff; /* luminance */ + const GLubyte cr = *src1 & 0xff; /* chroma V */ + const GLubyte y = (i & 1) ? y1 : y0; /* choose even/odd luminance */ + GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128); + GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128); + GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128); + r *= (1.0F / 255.0F); + g *= (1.0F / 255.0F); + b *= (1.0F / 255.0F); + texel[RCOMP] = CLAMP(r, 0.0F, 1.0F); + texel[GCOMP] = CLAMP(g, 0.0F, 1.0F); + texel[BCOMP] = CLAMP(b, 0.0F, 1.0F); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_ycbcr(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + (void) texImage; + (void) i; + (void) j; + (void) k; + (void) texel; + /* XXX to do */ +} +#endif + + +/* MESA_FORMAT_YCBCR_REV *****************************************************/ + +/* Fetch texel from 1D, 2D or 3D ycbcr_rev texture, return 4 GLfloats. + * We convert YCbCr to RGB here. + */ +static void FETCH(f_ycbcr_rev)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */ + const GLushort *src1 = src0 + 1; /* odd */ + const GLubyte y0 = *src0 & 0xff; /* luminance */ + const GLubyte cr = (*src0 >> 8) & 0xff; /* chroma V */ + const GLubyte y1 = *src1 & 0xff; /* luminance */ + const GLubyte cb = (*src1 >> 8) & 0xff; /* chroma U */ + const GLubyte y = (i & 1) ? y1 : y0; /* choose even/odd luminance */ + GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128); + GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128); + GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128); + r *= (1.0F / 255.0F); + g *= (1.0F / 255.0F); + b *= (1.0F / 255.0F); + texel[RCOMP] = CLAMP(r, 0.0F, 1.0F); + texel[GCOMP] = CLAMP(g, 0.0F, 1.0F); + texel[BCOMP] = CLAMP(b, 0.0F, 1.0F); + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_ycbcr_rev(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + (void) texImage; + (void) i; + (void) j; + (void) k; + (void) texel; + /* XXX to do */ +} +#endif + + +/* MESA_TEXFORMAT_Z24_S8 ***************************************************/ + +static void FETCH(f_z24_s8)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* only return Z, not stencil data */ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + const GLfloat scale = 1.0F / (GLfloat) 0xffffff; + texel[0] = ((*src) >> 8) * scale; + ASSERT(texImage->TexFormat == MESA_FORMAT_Z24_S8); + ASSERT(texel[0] >= 0.0F); + ASSERT(texel[0] <= 1.0F); +} + +#if DIM == 3 +static void store_texel_z24_s8(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + /* only store Z, not stencil */ + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + GLfloat depth = *((GLfloat *) texel); + GLuint zi = ((GLuint) (depth * 0xffffff)) << 8; + *dst = zi | (*dst & 0xff); +} +#endif + + +/* MESA_TEXFORMAT_S8_Z24 ***************************************************/ + +static void FETCH(f_s8_z24)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + /* only return Z, not stencil data */ + const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + const GLfloat scale = 1.0F / (GLfloat) 0xffffff; + texel[0] = ((*src) & 0x00ffffff) * scale; + ASSERT(texImage->TexFormat == MESA_FORMAT_S8_Z24); + ASSERT(texel[0] >= 0.0F); + ASSERT(texel[0] <= 1.0F); +} + +#if DIM == 3 +static void store_texel_s8_z24(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + /* only store Z, not stencil */ + GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1); + GLfloat depth = *((GLfloat *) texel); + GLuint zi = (GLuint) (depth * 0xffffff); + *dst = zi | (*dst & 0xff000000); +} +#endif + + +#undef TEXEL_ADDR +#undef DIM +#undef FETCH -- cgit v1.2.3