From: Brian Paul <brianp@vmware.com>
Date: Wed, 22 Jul 2015 00:44:07 +0000 (-0600)
Subject: mesa: move check for no-op glAlphaFunc call earlier
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d323f26830c1ce7e157cfeeb4f1e38b1a4d19d31;p=mesa.git

mesa: move check for no-op glAlphaFunc call earlier

Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
---

diff --git a/src/mesa/main/blend.c b/src/mesa/main/blend.c
index 99ab3c354ab..4fc32962425 100644
--- a/src/mesa/main/blend.c
+++ b/src/mesa/main/blend.c
@@ -569,6 +569,9 @@ _mesa_AlphaFunc( GLenum func, GLclampf ref )
       _mesa_debug(ctx, "glAlphaFunc(%s, %f)\n",
                   _mesa_enum_to_string(func), ref);
 
+   if (ctx->Color.AlphaFunc == func && ctx->Color.AlphaRefUnclamped == ref)
+      return; /* no change */
+
    switch (func) {
    case GL_NEVER:
    case GL_LESS:
@@ -578,9 +581,6 @@ _mesa_AlphaFunc( GLenum func, GLclampf ref )
    case GL_NOTEQUAL:
    case GL_GEQUAL:
    case GL_ALWAYS:
-      if (ctx->Color.AlphaFunc == func && ctx->Color.AlphaRefUnclamped == ref)
-         return; /* no change */
-
       FLUSH_VERTICES(ctx, _NEW_COLOR);
       ctx->Color.AlphaFunc = func;
       ctx->Color.AlphaRefUnclamped = ref;