SH-2265 Fix for impostor alpha masking being broken.

1 files changed, 11 insertions, 0 deletions

diff --git a/indra/newview/lldrawpoolavatar.cpp b/indra/newview/lldrawpoolavatar.cpp
index 694b7dcedd..28e464b60d 100644
--- a/indra/newview/lldrawpoolavatar.cpp
+++ b/indra/newview/lldrawpoolavatar.cpp
@@ -589,12 +589,22 @@ void LLDrawPoolAvatar::beginImpostor()
 		LLVOAvatar::sNumVisibleAvatars = 0;
 	}
 
+	if (LLGLSLShader::sNoFixedFunction)
+	{
+		gImpostorProgram.bind();
+		gImpostorProgram.setAlphaRange(0.01f, 1.f);
+	}
+
 	gPipeline.enableLightsFullbright(LLColor4(1,1,1,1));
 	sDiffuseChannel = 0;
 }
 
 void LLDrawPoolAvatar::endImpostor()
 {
+	if (LLGLSLShader::sNoFixedFunction)
+	{
+		gImpostorProgram.unbind();
+	}
 	gPipeline.enableLightsDynamic();
 }
 
@@ -647,6 +657,7 @@ void LLDrawPoolAvatar::beginDeferredImpostor()
 	sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
 
 	sVertexProgram->bind();
+	sVertexProgram->setAlphaRange(0.01f, 1.f);
 }
 
 void LLDrawPoolAvatar::endDeferredImpostor()