summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/r300/r300_state_inlines.h
diff options
context:
space:
mode:
authorMarek Olšák <maraeo@gmail.com>2011-02-16 00:50:25 +0100
committerMarek Olšák <maraeo@gmail.com>2011-03-04 17:47:56 +0100
commitbdb811772fe1b11e32172b211d9935d37093c753 (patch)
treee5c6f994cb01346dfed0ed283643016059a4bcce /src/gallium/drivers/r300/r300_state_inlines.h
parent10a893106be9dc4c843100468d8575b07ba6c4b9 (diff)
downloadexternal_mesa3d-bdb811772fe1b11e32172b211d9935d37093c753.zip
external_mesa3d-bdb811772fe1b11e32172b211d9935d37093c753.tar.gz
external_mesa3d-bdb811772fe1b11e32172b211d9935d37093c753.tar.bz2
r300g: preliminary implementation of clamping controls
Diffstat (limited to 'src/gallium/drivers/r300/r300_state_inlines.h')
-rw-r--r--src/gallium/drivers/r300/r300_state_inlines.h31
1 files changed, 16 insertions, 15 deletions
diff --git a/src/gallium/drivers/r300/r300_state_inlines.h b/src/gallium/drivers/r300/r300_state_inlines.h
index 06da04c..54dae1a 100644
--- a/src/gallium/drivers/r300/r300_state_inlines.h
+++ b/src/gallium/drivers/r300/r300_state_inlines.h
@@ -38,23 +38,24 @@ static INLINE int pack_float_16_6x(float f) {
/* Blend state. */
-static INLINE uint32_t r300_translate_blend_function(int blend_func)
+static INLINE uint32_t r300_translate_blend_function(int blend_func,
+ boolean clamp)
{
switch (blend_func) {
- case PIPE_BLEND_ADD:
- return R300_COMB_FCN_ADD_CLAMP;
- case PIPE_BLEND_SUBTRACT:
- return R300_COMB_FCN_SUB_CLAMP;
- case PIPE_BLEND_REVERSE_SUBTRACT:
- return R300_COMB_FCN_RSUB_CLAMP;
- case PIPE_BLEND_MIN:
- return R300_COMB_FCN_MIN;
- case PIPE_BLEND_MAX:
- return R300_COMB_FCN_MAX;
- default:
- fprintf(stderr, "r300: Unknown blend function %d\n", blend_func);
- assert(0);
- break;
+ case PIPE_BLEND_ADD:
+ return clamp ? R300_COMB_FCN_ADD_CLAMP : R300_COMB_FCN_ADD_NOCLAMP;
+ case PIPE_BLEND_SUBTRACT:
+ return clamp ? R300_COMB_FCN_SUB_CLAMP : R300_COMB_FCN_SUB_NOCLAMP;
+ case PIPE_BLEND_REVERSE_SUBTRACT:
+ return clamp ? R300_COMB_FCN_RSUB_CLAMP : R300_COMB_FCN_RSUB_NOCLAMP;
+ case PIPE_BLEND_MIN:
+ return R300_COMB_FCN_MIN;
+ case PIPE_BLEND_MAX:
+ return R300_COMB_FCN_MAX;
+ default:
+ fprintf(stderr, "r300: Unknown blend function %d\n", blend_func);
+ assert(0);
+ break;
}
return 0;
}