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authorMichel Dänzer <daenzer@vmware.com>2009-11-17 08:05:22 +0100
committerMichel Dänzer <daenzer@vmware.com>2009-11-17 08:05:22 +0100
commit2d0c2952566810ef1b277b49b064f4874a973112 (patch)
treeaba76943ddc362991a2d439064c42ee644196095 /src/mesa/main/texfetch_tmp.h
parente015a4c29bf61077a50780cc99381510671b20ec (diff)
Add MESA_FORMAT_XRGB8888_REV.
Diffstat (limited to 'src/mesa/main/texfetch_tmp.h')
-rw-r--r--src/mesa/main/texfetch_tmp.h24
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 */