From 17f46868d28876b65adcf24a45e6c19a20f2834c Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Wed, 10 Aug 2011 14:40:39 -0500
Subject: SH-2265 Fix for impostor alpha masking being broken.

---
 .../shaders/class1/objects/impostorF.glsl          | 26 ++++++++++++++++++++++
 .../shaders/class1/objects/impostorV.glsl          | 16 +++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 indra/newview/app_settings/shaders/class1/objects/impostorF.glsl
 create mode 100644 indra/newview/app_settings/shaders/class1/objects/impostorV.glsl

(limited to 'indra/newview/app_settings/shaders/class1/objects')

diff --git a/indra/newview/app_settings/shaders/class1/objects/impostorF.glsl b/indra/newview/app_settings/shaders/class1/objects/impostorF.glsl
new file mode 100644
index 0000000000..7257132f06
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/objects/impostorF.glsl
@@ -0,0 +1,26 @@
+/** 
+ * @file impostorF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+uniform float minimum_alpha;
+uniform float maximum_alpha;
+
+vec3 fullbrightAtmosTransport(vec3 light);
+vec3 fullbrightScaleSoftClip(vec3 light);
+
+uniform sampler2D diffuseMap;
+
+void main()
+{
+	vec4 color = texture2D(diffuseMap,gl_TexCoord[0].xy) * gl_Color;
+	
+	if (color.a < minimum_alpha || color.a > maximum_alpha)
+	{
+		discard;
+	}
+
+	gl_FragColor = color;
+}
diff --git a/indra/newview/app_settings/shaders/class1/objects/impostorV.glsl b/indra/newview/app_settings/shaders/class1/objects/impostorV.glsl
new file mode 100644
index 0000000000..724b86a1b7
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/objects/impostorV.glsl
@@ -0,0 +1,16 @@
+/**
+ * @file impostorV.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+ 
+void main()
+{
+	//transform vertex
+	gl_Position = ftransform();
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	
+	gl_FrontColor = gl_Color;
+}
-- 
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