Module: Mesa
Branch: master
Commit: 4558987818e1ff36e86592e9c5c0b5e181be9ec1
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=4558987818e1ff36e86592e9c5c0b5e181be9ec1
Author: Anuj Phogat <anuj.pho...@gmail.com>
Date: Tue Dec 6 11:11:03 2011 -0800
glsl: Fix samplerCubeShadow support in shader compiler
This patch fixes the samplerCubeShadow support in GLSL shader compiler.
shader compiler was picking the 'r' texture coordinate for shadow comparison
when the expected behaviour is to use 'q' texture coordinate in case of cube
shadow maps.
Signed-off-by: Anuj Phogat <anuj.pho...@gmail.com>
Reviewed-by: Kenneth Graunke <kenn...@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.roman...@intel.com>
---
src/glsl/builtins/tools/texture_builtins.py | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/glsl/builtins/tools/texture_builtins.py
b/src/glsl/builtins/tools/texture_builtins.py
index 27cc027..07d0a1b 100755
--- a/src/glsl/builtins/tools/texture_builtins.py
+++ b/src/glsl/builtins/tools/texture_builtins.py
@@ -105,7 +105,7 @@ def generate_sigs(g, tex_inst, sampler_type, variant = 0,
unused_fields = 0):
print "1",
# Shadow comparitor
- if sampler_type == "2DArrayShadow": # a special case:
+ if sampler_type == "2DArrayShadow" or sampler_type == "CubeShadow": #
a special case:
print "(swiz w (var_ref P))", # ...array layer is z; shadow is w
elif sampler_type.endswith("Shadow"):
print "(swiz z (var_ref P))",
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