From f357269c38a8627aeb67c82c5ee34b49336e0d8b Mon Sep 17 00:00:00 2001
From: Graham Linden <graham@lindenlab.com>
Date: Thu, 25 Jul 2013 09:36:13 -0700
Subject: NORSPEC-325 WIP restore gamma (uncorrected) attenuation and unify
 sRGB conversion in one place

---
 indra/llrender/llglslshader.cpp |  1 +
 indra/llrender/llglslshader.h   |  1 +
 indra/llrender/llshadermgr.cpp  | 13 +++++++++++--
 indra/llrender/llshadermgr.h    |  5 +++--
 4 files changed, 16 insertions(+), 4 deletions(-)

(limited to 'indra/llrender')

diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index ac16e30796..b854218e3d 100755
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -87,6 +87,7 @@ LLShaderFeatures::LLShaderFeatures()
 	, mIndexedTextureChannels(0)
 	, disableTextureIndex(false)
 	, hasAlphaMask(false)
+	, hasSRGB(false)
 {
 }
 
diff --git a/indra/llrender/llglslshader.h b/indra/llrender/llglslshader.h
index eabdb9fc92..dadffeb6c4 100755
--- a/indra/llrender/llglslshader.h
+++ b/indra/llrender/llglslshader.h
@@ -50,6 +50,7 @@ public:
 	S32 mIndexedTextureChannels;
 	bool disableTextureIndex;
 	bool hasAlphaMask;
+	bool hasSRGB;
 
 	// char numLights;
 	
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index 942f6dc86f..c3e76f5e0e 100755
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -175,6 +175,14 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 	// Attach Fragment Shader Features Next
 	///////////////////////////////////////
 
+	if (features->hasSRGB)
+	{
+		if (!shader->attachObject("deferred/srgb.glsl"))
+		{
+			return FALSE;
+		}
+	}
+
 	if(features->calculatesAtmospherics)
 	{
 		if (features->hasWaterFog)
@@ -1137,12 +1145,13 @@ void LLShaderMgr::initAttribsAndUniforms()
 	mReservedUniforms.push_back("projectionMap");
 	
 	mReservedUniforms.push_back("global_gamma");
-	mReservedUniforms.push_back("texture_gamma");
-	mReservedUniforms.push_back("display_gamma");
+	mReservedUniforms.push_back("texture_gamma");	
 
 	mReservedUniforms.push_back("specular_color");
 	mReservedUniforms.push_back("env_intensity");
 
+	mReservedUniforms.push_back("display_gamma");
+
 	llassert(mReservedUniforms.size() == END_RESERVED_UNIFORMS);
 
 	std::set<std::string> dupe_check;
diff --git a/indra/llrender/llshadermgr.h b/indra/llrender/llshadermgr.h
index 2cbeea5049..3c282bf24f 100755
--- a/indra/llrender/llshadermgr.h
+++ b/indra/llrender/llshadermgr.h
@@ -167,12 +167,13 @@ public:
 		DEFERRED_PROJECTION,
 		
 		GLOBAL_GAMMA,
-		TEXTURE_GAMMA,
-		DISPLAY_GAMMA,
+		TEXTURE_GAMMA,		
 
 		SPECULAR_COLOR,
 		ENVIRONMENT_INTENSITY,
 		
+		DISPLAY_GAMMA,
+
 		END_RESERVED_UNIFORMS
 	} eGLSLReservedUniforms;
 
-- 
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