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authorDave Parks <davep@lindenlab.com>2011-08-11 14:20:57 -0500
committerDave Parks <davep@lindenlab.com>2011-08-11 14:20:57 -0500
commit80398b3ccb0c4a6ff3ac20b3565619fe5cecc2f9 (patch)
tree623156a93d159ece460a31590701d7cbdc701cdc /indra/newview/app_settings/shaders/class1/deferred/treeShadowF.glsl
parent610764fbfce75f54c95d4b10c2a8f9482a7a7b80 (diff)
parent2dd8ce53e4e0d14f2bc20796eb6bdf1ef12a65df (diff)
merge
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/treeShadowF.glsl')
-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/treeShadowF.glsl27
1 files changed, 27 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/treeShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/treeShadowF.glsl
new file mode 100644
index 0000000000..9f0b902c96
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/treeShadowF.glsl
@@ -0,0 +1,27 @@
+/**
+ * @file treeShadowF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+
+uniform float minimum_alpha;
+uniform float maximum_alpha;
+
+uniform sampler2D diffuseMap;
+
+varying vec4 post_pos;
+
+void main()
+{
+ float alpha = texture2D(diffuseMap, gl_TexCoord[0].xy).a;
+
+ if (alpha < minimum_alpha || alpha > maximum_alpha)
+ {
+ discard;
+ }
+
+ gl_FragColor = vec4(1,1,1,1);
+
+ gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0);
+}