SL-17282 prototype mixing of reflection map into legacy materials

4 files changed, 25 insertions, 3 deletions

diff --git a/indra/llrender/llcubemap.cpp b/indra/llrender/llcubemap.cpp
index 40d15280d3..cc61158aa6 100644
--- a/indra/llrender/llcubemap.cpp
+++ b/indra/llrender/llcubemap.cpp
@@ -183,8 +183,7 @@ void LLCubeMap::initEnvironmentMap(const std::vector<LLPointer<LLImageRaw> >& ra
         llassert(rawimages[i]->getHeight() == resolution);
         llassert(rawimages[i]->getComponents() == components);
 
-
-        mImages[i] = new LLImageGL(resolution, resolution, components, FALSE);
+        mImages[i] = new LLImageGL(resolution, resolution, components, TRUE);
         mImages[i]->setTarget(mTargets[i], LLTexUnit::TT_CUBE_MAP);
         mRawImages[i] = rawimages[i];
         mImages[i]->createGLTexture(0, mRawImages[i], texname);
@@ -195,6 +194,11 @@ void LLCubeMap::initEnvironmentMap(const std::vector<LLPointer<LLImageRaw> >& ra
 
         mImages[i]->setSubImage(mRawImages[i], 0, 0, resolution, resolution);
     }
+    enableTexture(0);
+    bind();
+    mImages[0]->setFilteringOption(LLTexUnit::TFO_ANISOTROPIC);
+    glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
+    glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
     gGL.getTexUnit(0)->disable();
     disable();
 }
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 185c1450c8..3001375c60 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -832,6 +832,9 @@ BOOL LLGLSLShader::mapUniforms(const vector<LLStaticHashedString> * uniforms)
 
 	As example where this situation appear see: "Deferred Material Shader 28/29/30/31"
 	And tickets: MAINT-4165, MAINT-4839, MAINT-3568, MAINT-6437
+
+    --- davep TODO -- pretty sure the entire block here is superstitious and that the uniform index has nothing to do with the texture channel
+                texture channel should follow the uniform VALUE
 	*/
 
 
@@ -840,6 +843,7 @@ BOOL LLGLSLShader::mapUniforms(const vector<LLStaticHashedString> * uniforms)
 	S32 bumpMap = glGetUniformLocationARB(mProgramObject, "bumpMap");
     S32 altDiffuseMap = glGetUniformLocationARB(mProgramObject, "altDiffuseMap");
 	S32 environmentMap = glGetUniformLocationARB(mProgramObject, "environmentMap");
+    S32 reflectionMap = glGetUniformLocationARB(mProgramObject, "reflectionMap");
 
 	std::set<S32> skip_index;
 
@@ -882,6 +886,12 @@ BOOL LLGLSLShader::mapUniforms(const vector<LLStaticHashedString> * uniforms)
 				continue;
 			}
 
+            if (-1 == reflectionMap && std::string(name) == "reflectionMap")
+            {
+                reflectionMap = i;
+                continue;
+            }
+
             if (-1 == altDiffuseMap && std::string(name) == "altDiffuseMap")
 			{
 				altDiffuseMap = i;
@@ -892,8 +902,9 @@ BOOL LLGLSLShader::mapUniforms(const vector<LLStaticHashedString> * uniforms)
 		bool specularDiff = specularMap < diffuseMap && -1 != specularMap;
 		bool bumpLessDiff = bumpMap < diffuseMap && -1 != bumpMap;
 		bool envLessDiff = environmentMap < diffuseMap && -1 != environmentMap;
+        bool refLessDiff = reflectionMap < diffuseMap && -1 != reflectionMap;
 
-		if (specularDiff || bumpLessDiff || envLessDiff)
+		if (specularDiff || bumpLessDiff || envLessDiff || refLessDiff)
 		{
 			mapUniform(diffuseMap, uniforms);
 			skip_index.insert(diffuseMap);
@@ -912,6 +923,11 @@ BOOL LLGLSLShader::mapUniforms(const vector<LLStaticHashedString> * uniforms)
 				mapUniform(environmentMap, uniforms);
 				skip_index.insert(environmentMap);
 			}
+
+            if (-1 != reflectionMap) {
+                mapUniform(reflectionMap, uniforms);
+                skip_index.insert(reflectionMap);
+            }
 		}
 	}
 
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index c100c182dd..cd7ec478bb 100644
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -1155,6 +1155,7 @@ void LLShaderMgr::initAttribsAndUniforms()
 	mReservedUniforms.push_back("bumpMap");
     mReservedUniforms.push_back("bumpMap2");
 	mReservedUniforms.push_back("environmentMap");
+    mReservedUniforms.push_back("reflectionMap");
 	mReservedUniforms.push_back("cloud_noise_texture");
     mReservedUniforms.push_back("cloud_noise_texture_next");
 	mReservedUniforms.push_back("fullbright");
diff --git a/indra/llrender/llshadermgr.h b/indra/llrender/llshadermgr.h
index 67c0d6ab10..7ca4862ed9 100644
--- a/indra/llrender/llshadermgr.h
+++ b/indra/llrender/llshadermgr.h
@@ -80,6 +80,7 @@ public:
         BUMP_MAP,                           //  "bumpMap"
         BUMP_MAP2,                          //  "bumpMap2"
         ENVIRONMENT_MAP,                    //  "environmentMap"
+        REFLECTION_MAP,                     //  "reflectionMap"
         CLOUD_NOISE_MAP,                    //  "cloud_noise_texture"
         CLOUD_NOISE_MAP_NEXT,               //  "cloud_noise_texture_next"
         FULLBRIGHT,                         //  "fullbright"