From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Wed, 20 Aug 2008 17:06:53 +0000 (-0600)
Subject: mesa: glsl: better implementation of ftransform()
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ef33697c7e11d93d8b94eadf286f4096734b613f;p=mesa.git

mesa: glsl: better implementation of ftransform()
---

diff --git a/src/mesa/shader/slang/library/slang_vertex_builtin.gc b/src/mesa/shader/slang/library/slang_vertex_builtin.gc
index 20c924a30d7..17e86d9a0ed 100644
--- a/src/mesa/shader/slang/library/slang_vertex_builtin.gc
+++ b/src/mesa/shader/slang/library/slang_vertex_builtin.gc
@@ -57,7 +57,10 @@ varying float gl_FogFragCoord;
 
 vec4 ftransform()
 {
-   __retVal = gl_Vertex * gl_ModelViewProjectionMatrixTranspose;
+   __retVal = gl_ModelViewProjectionMatrix[0] * gl_Vertex.xxxx
+            + gl_ModelViewProjectionMatrix[1] * gl_Vertex.yyyy
+            + gl_ModelViewProjectionMatrix[2] * gl_Vertex.zzzz
+            + gl_ModelViewProjectionMatrix[3] * gl_Vertex.wwww;
 }