diff options
Diffstat (limited to 'src/mesa/main/texformat_tmp.h')
| -rw-r--r-- | src/mesa/main/texformat_tmp.h | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h index 5f0c674d4f..275340cabd 100644 --- a/src/mesa/main/texformat_tmp.h +++ b/src/mesa/main/texformat_tmp.h @@ -3,6 +3,7 @@ * Version: 6.5.1 * * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * Copyright (c) 2008 VMware, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -1222,11 +1223,11 @@ static void store_texel_srgb8(struct gl_texture_image *texImage, static void FETCH(srgba8)(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] = nonlinear_to_linear(src[0]); - texel[GCOMP] = nonlinear_to_linear(src[1]); - texel[BCOMP] = nonlinear_to_linear(src[2]); - texel[ACOMP] = UBYTE_TO_FLOAT(src[3]); /* linear! */ + 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 @@ -1234,10 +1235,29 @@ 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; - GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4); - dst[0] = rgba[RCOMP]; - dst[1] = rgba[GCOMP]; - dst[2] = rgba[BCOMP]; + 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 |