From: Eric Anholt <eric@anholt.net>
Date: Sun, 17 Jul 2011 21:55:10 +0000 (-0700)
Subject: intel: Use the GLSL-based meta clear when available.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=540e66b3bebb5ae82422e386aa178147ea14a39e;p=mesa.git

intel: Use the GLSL-based meta clear when available.

Improves firefox-talos-gfx performance under GL when 3D clears are
enabled:
[  0]       gl-before     firefox-talos-gfx   20.193   20.251   0.27%    3/3
[  0]       gl-after      firefox-talos-gfx   18.013   18.040   0.19%    3/3
---

diff --git a/src/mesa/drivers/dri/intel/intel_clear.c b/src/mesa/drivers/dri/intel/intel_clear.c
index 5ab98734cfc..81c062fba53 100644
--- a/src/mesa/drivers/dri/intel/intel_clear.c
+++ b/src/mesa/drivers/dri/intel/intel_clear.c
@@ -188,7 +188,10 @@ intelClear(struct gl_context *ctx, GLbitfield mask)
 
    if (tri_mask) {
       debug_mask("tri", tri_mask);
-      _mesa_meta_Clear(&intel->ctx, tri_mask);
+      if (ctx->Extensions.ARB_fragment_shader)
+	 _mesa_meta_glsl_Clear(&intel->ctx, tri_mask);
+      else
+	 _mesa_meta_Clear(&intel->ctx, tri_mask);
    }
 }