swrast: Initialize tex_coords in handle_sample_op.

diff --git a/src/mesa/swrast/s_atifragshader.c b/src/mesa/swrast/s_atifragshader.c
index 5fefae6c42b38ce1cf3928acd3a68ce11b42c363..e88ff1912392eb349c1f8e9dcf21bab2cb698d26 100644 (file)
--- a/src/mesa/swrast/s_atifragshader.c
+++ b/src/mesa/swrast/s_atifragshader.c
@@ -279,7 +279,7 @@ handle_sample_op(GLcontext * ctx, struct atifs_machine *machine,
 /* sample from unit idx using texinst->src as coords */
    GLuint swizzle = texinst->swizzle;
    GLuint coord_source = texinst->src;
-   GLfloat tex_coords[4];
+   GLfloat tex_coords[4] = { 0 };
 
    if (coord_source >= GL_TEXTURE0_ARB && coord_source <= GL_TEXTURE7_ARB) {
       coord_source -= GL_TEXTURE0_ARB;