diff options
author | Michel Dänzer <daenzer@vmware.com> | 2009-11-17 08:05:22 +0100 |
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committer | Michel Dänzer <daenzer@vmware.com> | 2009-11-17 08:05:22 +0100 |
commit | 2d0c2952566810ef1b277b49b064f4874a973112 (patch) | |
tree | aba76943ddc362991a2d439064c42ee644196095 /src/mesa/main/texfetch_tmp.h | |
parent | e015a4c29bf61077a50780cc99381510671b20ec (diff) |
Add MESA_FORMAT_XRGB8888_REV.
Diffstat (limited to 'src/mesa/main/texfetch_tmp.h')
-rw-r--r-- | src/mesa/main/texfetch_tmp.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/mesa/main/texfetch_tmp.h b/src/mesa/main/texfetch_tmp.h index 093e0abc49..6fac7ba1e1 100644 --- a/src/mesa/main/texfetch_tmp.h +++ b/src/mesa/main/texfetch_tmp.h @@ -559,6 +559,30 @@ static void store_texel_xrgb8888(struct gl_texture_image *texImage, #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 */ |