Henri Verbeet : wined3d: Only initialize unused components of varyings that are read.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 2c009e4d874722c1a7b50b1c0ecf7a7eaa3e9002
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=2c009e4d874722c1a7b50b1c0ecf7a7eaa3e9002

Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Wed Jun 17 10:19:51 2009 +0200

wined3d: Only initialize unused components of varyings that are read.

---

 dlls/wined3d/glsl_shader.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 846044f..e065296 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -3423,7 +3423,8 @@ static void handle_ps3_input(SHADER_BUFFER *buffer, const WineD3D_GL_Info *gl_in
      * input varyings are assigned above, if the optimizer works properly.
      */
     for(i = 0; i < in_count + 2; i++) {
-        if(set[i] != WINED3DSP_WRITEMASK_ALL) {
+        if (set[i] && set[i] != WINED3DSP_WRITEMASK_ALL)
+        {
             unsigned int size = 0;
             memset(reg_mask, 0, sizeof(reg_mask));
             if(!(set[i] & WINED3DSP_WRITEMASK_0)) {