Mesa (master): Ensure p.w is initialised in noise demo.

[Gary Wong]

Module: Mesa
Branch: master
Commit: 0df3dfab82539c2477bfd4d254d1f2c6e35efb57
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0df3dfab82539c2477bfd4d254d1f2c6e35efb57

Author: Gary Wong <gtw at gnu.org>
Date:   Sat Dec 13 12:58:18 2008 -0700

Ensure p.w is initialised in noise demo.

---

 progs/glsl/noise.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/progs/glsl/noise.c b/progs/glsl/noise.c
index 9da71ac..bd8f500 100644
--- a/progs/glsl/noise.c
+++ b/progs/glsl/noise.c
@@ -30,6 +30,7 @@ static const char *FragShaderText =
    "   vec4 p;\n"
    "   p.xy = gl_TexCoord[0].xy;\n"
    "   p.z = Slice;\n"
+   "   p.w = 0;\n"
    "   vec4 n = noise4(p * scale);\n"
    "   gl_FragColor = n * Scale + Bias;\n"
    "}\n";