From: Brian Paul <brianp@vmware.com>
Date: Fri, 19 Aug 2016 15:36:02 +0000 (-0600)
Subject: svga: add comment about unsupported blend modes
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=93779b87a1b69ed1f49cd18c08edd2d6ecb9196f;p=mesa.git

svga: add comment about unsupported blend modes
---

diff --git a/src/gallium/drivers/svga/svga_pipe_blend.c b/src/gallium/drivers/svga/svga_pipe_blend.c
index a9f1c4fa0c8..408e175fea7 100644
--- a/src/gallium/drivers/svga/svga_pipe_blend.c
+++ b/src/gallium/drivers/svga/svga_pipe_blend.c
@@ -37,6 +37,9 @@
 static inline unsigned
 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) {
    case PIPE_BLENDFACTOR_ZERO:            return SVGA3D_BLENDOP_ZERO;
    case PIPE_BLENDFACTOR_SRC_ALPHA:       return SVGA3D_BLENDOP_SRCALPHA;