From ccd04cd66c0a550694fefe41042ef47466780a92 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Tue, 18 Jun 2013 17:24:21 -0500
Subject: Occlusion culling overhaul.

---
 indra/newview/llviewershadermgr.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'indra/newview/llviewershadermgr.cpp')

diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index b9e0847935..e24237522a 100755
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -93,6 +93,8 @@ LLGLSLShader	gTwoTextureAddProgram;
 LLGLSLShader	gOneTextureNoColorProgram;
 LLGLSLShader	gDebugProgram;
 LLGLSLShader	gClipProgram;
+LLGLSLShader	gDownsampleDepthProgram;
+LLGLSLShader	gDownsampleDepthRectProgram;
 LLGLSLShader	gAlphaMaskProgram;
 
 //object shaders
@@ -702,6 +704,8 @@ void LLViewerShaderMgr::unloadShaders()
 	gOcclusionCubeProgram.unload();
 	gDebugProgram.unload();
 	gClipProgram.unload();
+	gDownsampleDepthProgram.unload();
+	gDownsampleDepthRectProgram.unload();
 	gAlphaMaskProgram.unload();
 	gUIProgram.unload();
 	gPathfindingProgram.unload();
@@ -3001,6 +3005,26 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		success = gClipProgram.createShader(NULL, NULL);
 	}
 
+	if (success)
+	{
+		gDownsampleDepthProgram.mName = "DownsampleDepth Shader";
+		gDownsampleDepthProgram.mShaderFiles.clear();
+		gDownsampleDepthProgram.mShaderFiles.push_back(make_pair("interface/downsampleDepthV.glsl", GL_VERTEX_SHADER_ARB));
+		gDownsampleDepthProgram.mShaderFiles.push_back(make_pair("interface/downsampleDepthF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gDownsampleDepthProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		success = gDownsampleDepthProgram.createShader(NULL, NULL);
+	}
+
+	if (success)
+	{
+		gDownsampleDepthRectProgram.mName = "DownsampleDepthRect Shader";
+		gDownsampleDepthRectProgram.mShaderFiles.clear();
+		gDownsampleDepthRectProgram.mShaderFiles.push_back(make_pair("interface/downsampleDepthV.glsl", GL_VERTEX_SHADER_ARB));
+		gDownsampleDepthRectProgram.mShaderFiles.push_back(make_pair("interface/downsampleDepthRectF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gDownsampleDepthRectProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		success = gDownsampleDepthRectProgram.createShader(NULL, NULL);
+	}
+
 	if (success)
 	{
 		gAlphaMaskProgram.mName = "Alpha Mask Shader";
-- 
cgit v1.3