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

2c009e4d · Henri Verbeet · Alexandre Julliard · fccb3d82 · 2c009e4d
Commit 2c009e4d authored Jun 17, 2009 by Henri Verbeet Committed by Alexandre Julliard Jun 17, 2009
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glsl_shader.c dlls/wined3d/glsl_shader.c +2 -1

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--- 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)) {