From: Brian Paul <brianp@vmware.com>
Date: Wed, 22 Jul 2015 00:44:07 +0000 (-0600)
Subject: mesa: move check for no-op glFrontFace call earlier
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=61ed88b1ddf8aea6f74518bcae5c13d9bf4ae822;p=mesa.git

mesa: move check for no-op glFrontFace call earlier

If the new mode matches the current mode, there can be no error.

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

diff --git a/src/mesa/main/polygon.c b/src/mesa/main/polygon.c
index c1c31660e12..60af88f9857 100644
--- a/src/mesa/main/polygon.c
+++ b/src/mesa/main/polygon.c
@@ -93,14 +93,14 @@ _mesa_FrontFace( GLenum mode )
    if (MESA_VERBOSE&VERBOSE_API)
       _mesa_debug(ctx, "glFrontFace %s\n", _mesa_enum_to_string(mode));
 
+   if (ctx->Polygon.FrontFace == mode)
+      return;
+
    if (mode!=GL_CW && mode!=GL_CCW) {
       _mesa_error( ctx, GL_INVALID_ENUM, "glFrontFace" );
       return;
    }
 
-   if (ctx->Polygon.FrontFace == mode)
-      return;
-
    FLUSH_VERTICES(ctx, _NEW_POLYGON);
    ctx->Polygon.FrontFace = mode;