From 309ce4013a3e302ce8502969a921b28c73835c2c Mon Sep 17 00:00:00 2001
From: "Pierre-Loup A. Griffais" <pgriffais@nvidia.com>
Date: Sun, 16 Oct 2011 00:41:40 -0700
Subject: [PATCH] kwin-gles: save a branch in the main shader

On less flexible hardware, one instruction for one branch might not be a good
trade.

REVIEW: 102886
---
 scene-fragment.glsl | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/scene-fragment.glsl b/scene-fragment.glsl
index da4b31a25a..22463c16c2 100644
--- a/scene-fragment.glsl
+++ b/scene-fragment.glsl
@@ -10,9 +10,7 @@ varying vec2 varyingTexCoords;
 void main() {
     vec4 tex = texture2D(sampler, varyingTexCoords);
 
-    if (u_forceAlpha > 0) {
-        tex.a = 1.0;
-    }
+    tex.a += float(u_forceAlpha);
 
     if( saturation != 1.0 ) {
         vec3 desaturated = tex.rgb * vec3( 0.30, 0.59, 0.11 );