From 577f6a46f02ecfa4efabc0b379e44e4f53a0b391 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Thu, 9 Feb 2023 17:00:36 -0600
Subject: SL-19181 Modulate "glow" by PBR emissive.

---
 indra/newview/llviewershadermgr.cpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

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

diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index ccb2a86128..2775a98869 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -206,6 +206,8 @@ LLGLSLShader            gDeferredGenBrdfLutProgram;
 LLGLSLShader			gDeferredMaterialProgram[LLMaterial::SHADER_COUNT*2];
 LLGLSLShader			gDeferredMaterialWaterProgram[LLMaterial::SHADER_COUNT*2];
 LLGLSLShader			gHUDPBROpaqueProgram;
+LLGLSLShader            gPBRGlowProgram;
+LLGLSLShader            gPBRGlowSkinnedProgram;
 LLGLSLShader			gDeferredPBROpaqueProgram;
 LLGLSLShader            gDeferredSkinnedPBROpaqueProgram;
 LLGLSLShader            gHUDPBRAlphaProgram;
@@ -1016,6 +1018,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		}
 
         gHUDPBROpaqueProgram.unload();
+        gPBRGlowProgram.unload();
         gDeferredPBROpaqueProgram.unload();
         gDeferredSkinnedPBROpaqueProgram.unload();
         gDeferredPBRAlphaProgram.unload();
@@ -1325,6 +1328,23 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         llassert(success);
     }
 
+    if (success)
+    {
+        gPBRGlowProgram.mName = " PBR Glow Shader";
+        gPBRGlowProgram.mFeatures.hasSrgb = true;
+        gPBRGlowProgram.mShaderFiles.clear();
+        gPBRGlowProgram.mShaderFiles.push_back(make_pair("deferred/pbrglowV.glsl", GL_VERTEX_SHADER));
+        gPBRGlowProgram.mShaderFiles.push_back(make_pair("deferred/pbrglowF.glsl", GL_FRAGMENT_SHADER));
+        gPBRGlowProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
+
+        success = make_rigged_variant(gPBRGlowProgram, gPBRGlowSkinnedProgram);
+        if (success)
+        {
+            success = gPBRGlowProgram.createShader(NULL, NULL);
+        }
+        llassert(success);
+    }
+
     if (success)
     {
         gHUDPBROpaqueProgram.mName = "HUD PBR Opaque Shader";
@@ -1341,6 +1361,8 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         llassert(success);
     }
 
+    
+
 	if (success)
 	{
         LLGLSLShader* shader = &gDeferredPBRAlphaProgram;
-- 
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