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authorGraham Linden <graham@lindenlab.com>2013-08-12 15:55:25 -0700
committerGraham Linden <graham@lindenlab.com>2013-08-12 15:55:25 -0700
commit51dfcb9c67f7c3464bf3640adfdd87a061f60390 (patch)
treeb7f36fd43a31a961e049c8167c57da81f1210b9b /indra/newview/llviewershadermgr.cpp
parent61129c73c97accf297943d6bc5beea3c09579084 (diff)
NORSPEC-342 WIP MATBUG-347 make impostor rendering not contribute to depth for mostly-transparent buffer pixels, aka hair in ALM only
Diffstat (limited to 'indra/newview/llviewershadermgr.cpp')
-rwxr-xr-xindra/newview/llviewershadermgr.cpp37
1 files changed, 37 insertions, 0 deletions
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index 264655029a..b2f7949388 100755
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -197,6 +197,7 @@ LLGLSLShader gDeferredShadowAlphaMaskProgram;
LLGLSLShader gDeferredAvatarShadowProgram;
LLGLSLShader gDeferredAttachmentShadowProgram;
LLGLSLShader gDeferredAlphaProgram;
+LLGLSLShader gDeferredAlphaImpostorProgram;
LLGLSLShader gDeferredAlphaWaterProgram;
LLGLSLShader gDeferredAvatarEyesProgram;
LLGLSLShader gDeferredFullbrightProgram;
@@ -304,6 +305,8 @@ LLViewerShaderMgr::LLViewerShaderMgr() :
mShaderList.push_back(&gDeferredMaterialWaterProgram[9+LLMaterial::SHADER_COUNT]);
mShaderList.push_back(&gDeferredMaterialWaterProgram[13+LLMaterial::SHADER_COUNT]);
mShaderList.push_back(&gDeferredAlphaProgram);
+ mShaderList.push_back(&gDeferredAlphaProgram);
+ mShaderList.push_back(&gDeferredAlphaImpostorProgram);
mShaderList.push_back(&gDeferredAlphaWaterProgram);
mShaderList.push_back(&gDeferredSkinnedAlphaProgram);
mShaderList.push_back(&gDeferredFullbrightProgram);
@@ -1533,6 +1536,40 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
if (success)
{
+ gDeferredAlphaImpostorProgram.mName = "Deferred Alpha Shader";
+
+ gDeferredAlphaImpostorProgram.mFeatures.calculatesLighting = false;
+ gDeferredAlphaImpostorProgram.mFeatures.hasLighting = false;
+ gDeferredAlphaImpostorProgram.mFeatures.isAlphaLighting = true;
+ gDeferredAlphaImpostorProgram.mFeatures.disableTextureIndex = true; //hack to disable auto-setup of texture channels
+ if (mVertexShaderLevel[SHADER_DEFERRED] < 1)
+ {
+ gDeferredAlphaImpostorProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
+ }
+ else
+ { //shave off some texture units for shadow maps
+ gDeferredAlphaImpostorProgram.mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels - 6, 1);
+ }
+
+ gDeferredAlphaImpostorProgram.mShaderFiles.clear();
+ gDeferredAlphaImpostorProgram.mShaderFiles.push_back(make_pair("deferred/alphaV.glsl", GL_VERTEX_SHADER_ARB));
+ gDeferredAlphaImpostorProgram.mShaderFiles.push_back(make_pair("deferred/alphaF.glsl", GL_FRAGMENT_SHADER_ARB));
+ gDeferredAlphaImpostorProgram.addPermutation("USE_INDEXED_TEX", "1");
+ gDeferredAlphaImpostorProgram.addPermutation("HAS_SHADOW", mVertexShaderLevel[SHADER_DEFERRED] > 1 ? "1" : "0");
+ gDeferredAlphaImpostorProgram.addPermutation("USE_VERTEX_COLOR", "1");
+ gDeferredAlphaImpostorProgram.addPermutation("FOR_IMPOSTOR", "1");
+
+ gDeferredAlphaImpostorProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+
+ success = gDeferredAlphaImpostorProgram.createShader(NULL, NULL);
+
+ // Hack
+ gDeferredAlphaImpostorProgram.mFeatures.calculatesLighting = true;
+ gDeferredAlphaImpostorProgram.mFeatures.hasLighting = true;
+ }
+
+ if (success)
+ {
gDeferredAlphaWaterProgram.mName = "Deferred Alpha Underwater Shader";
gDeferredAlphaWaterProgram.mFeatures.calculatesLighting = false;
gDeferredAlphaWaterProgram.mFeatures.hasLighting = false;