GITechDemo:

*gamma correction is no longer applied to input diffuse textures
*the G-Buffer's albedo component now stores sRGB color information and gamma correction is done at lighting stage

Author: iftodebogdan

GITechDemo/Code/AppMain/GITechDemo/RenderScheme/GBufferPass.cpp

@@ -65,6 +65,14 @@ void GBufferPass::Update(const float fDeltaTime)
 
 	f44WorldViewMat = f44ViewMat * f44WorldMat;
 	f44WorldViewProjMat = f44ProjMat * f44WorldViewMat;
+
+	// In order to have better low-intensity precision in the G-Buffer (which is in LDR format, obviously)
+	// we need to delay the gamma correction of input textures right up until we need them to be linear,
+	// which is at the lighting stage. To achieve this, we need to keep the G-buffer in sRGB format.
+	// The rest of the rendering pipeline supports HDR, so we keep color information in linear format
+	// up until the tone mapping pass, where we output a LDR sRGB texture.
+	// Kudos to VladC of FUN labs for pointing this out!
+	ResourceMgr->GetTexture(GBuffer.GetRenderTarget()->GetColorBuffer(0))->SetSRGBEnabled(true);
 }
 
 void GBufferPass::Draw()

GITechDemo/Code/AppMain/GITechDemo/Resources/RenderResource.cpp

@@ -702,7 +702,9 @@ namespace GITechDemoApp
 						{
 							tex->SetAnisotropy(/*MAX_ANISOTROPY*/ 1u);
 							tex->SetFilter(SF_MIN_MAG_LINEAR_MIP_LINEAR);
-							tex->SetSRGBEnabled(true);
+
+							// Check note in GBufferPass.cpp about sRGB G-Buffer
+							//tex->SetSRGBEnabled(true);
 						}
 
 						// Specular power texture