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authorMarek Olšák <maraeo@gmail.com>2010-12-21 18:54:50 +0100
committerMarek Olšák <maraeo@gmail.com>2010-12-23 16:54:58 +0100
commit621e5254ef6714520f106bd3707fe6ddc279aa0c (patch)
tree8b2dfc92e969c173f27476ee77bdf42bb472b6bd /src/mesa/main/texfetch_tmp.h
parent0a7b60f7ed3167acce72b3c367181dcae81f92c1 (diff)
mesa: implement new texture format ARGB2101010
Radeon GPUs do support GL_RGB10_A2.
Diffstat (limited to 'src/mesa/main/texfetch_tmp.h')
-rw-r--r--src/mesa/main/texfetch_tmp.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/mesa/main/texfetch_tmp.h b/src/mesa/main/texfetch_tmp.h
index 2f583ed522..c985de9290 100644
--- a/src/mesa/main/texfetch_tmp.h
+++ b/src/mesa/main/texfetch_tmp.h
@@ -810,6 +810,31 @@ static void store_texel_argb1555_rev(struct gl_texture_image *texImage,
#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(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
/* MESA_FORMAT_RG88 **********************************************************/
/* Fetch texel from 1D, 2D or 3D rg88 texture, return 4 GLchans */