SH-2708 Fix for broken shadows on alpha objects

2 files changed, 5 insertions, 2 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
index 46d42d2a4a..c1fb7b55d4 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
@@ -37,7 +37,7 @@ VARYING vec2 vary_texcoord0;
 
 void main() 
 {
-	float alpha = texture2D(diffuseMap, vary_texcoord0.xy).a * vertex_color.a;
+	float alpha = diffuseLookup(vary_texcoord0.xy).a * vertex_color.a;
 
 	if (alpha < minimum_alpha)
 	{
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskV.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskV.glsl
index 6a3cba771b..7d3b06c56e 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskV.glsl
@@ -34,15 +34,18 @@ VARYING vec4 post_pos;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
+void passTextureIndex();
+
 void main()
 {
 	//transform vertex
 	vec4 pos = modelview_projection_matrix*vec4(position.xyz, 1.0);
-	
 	post_pos = pos;
 	
 	gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w);
 	
+	passTextureIndex();
+
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 	vertex_color = diffuse_color;
 }