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svga: add comment about unsupported blend modes

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This commit is contained in:
Brian Paul
2016-08-19 09:36:02 -06:00
parent b1772651b7
commit 93779b87a1
1 changed files with 3 additions and 0 deletions
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3
src/gallium/drivers/svga/svga_pipe_blend.c
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@@ -37,6 +37,9 @@
static inline unsigned static inline unsigned
svga_translate_blend_factor(const struct svga_context *svga, unsigned factor) svga_translate_blend_factor(const struct svga_context *svga, unsigned factor)
{ {
/* Note: there is no SVGA3D_BLENDOP_[INV]BLENDFACTORALPHA so
* we can't translate PIPE_BLENDFACTOR_[INV_]CONST_ALPHA properly.
*/
switch (factor) { switch (factor) {
case PIPE_BLENDFACTOR_ZERO: return SVGA3D_BLENDOP_ZERO; case PIPE_BLENDFACTOR_ZERO: return SVGA3D_BLENDOP_ZERO;
case PIPE_BLENDFACTOR_SRC_ALPHA: return SVGA3D_BLENDOP_SRCALPHA; case PIPE_BLENDFACTOR_SRC_ALPHA: return SVGA3D_BLENDOP_SRCALPHA;