Merge branch 'DRTVWR-559' into DRTVWR-583

1 files changed, 12 insertions, 16 deletions

diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 5acf2c198f..556ec083a7 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -6206,7 +6206,6 @@ U32 LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace
 	LLSpatialGroup::buffer_map_t buffer_map;
 
 	LLViewerTexture* last_tex = NULL;
-	S32 buffer_index = 0;
 
 	S32 texture_index_channels = 1;
 	
@@ -6218,8 +6217,7 @@ U32 LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace
 	if (distance_sort)
 	{
 		texture_index_channels = gDeferredAlphaProgram.mFeatures.mIndexedTextureChannels;
-        buffer_index = -1;
-    }
+	}
 
 	texture_index_channels = LLGLSLShader::sIndexedTextureChannels;
 
@@ -6239,14 +6237,9 @@ U32 LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace
 			tex = NULL;
 		}
 
-		if (last_tex == tex)
-		{
-			buffer_index++;
-		}
-		else
+		if (last_tex != tex)
 		{
 			last_tex = tex;
-			buffer_index = 0;
 		}
 
 		bool bake_sunlight = LLPipeline::sBakeSunlight && facep->getDrawable()->isStatic(); 
@@ -6500,12 +6493,15 @@ U32 LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace
                 }
             }
 
-            F32 te_alpha = te->getColor().mV[3]; 
+            F32 blinn_phong_alpha = te->getColor().mV[3];
 			bool use_legacy_bump = te->getBumpmap() && (te->getBumpmap() < 18) && (!mat || mat->getNormalID().isNull());
-			bool opaque = te_alpha >= 0.999f;
-            bool transparent = te_alpha < 0.999f;
+			bool blinn_phong_opaque = blinn_phong_alpha >= 0.999f;
+            bool blinn_phong_transparent = blinn_phong_alpha < 0.999f;
 
-            is_alpha = (is_alpha || transparent) ? TRUE : FALSE;
+            if (!gltf_mat)
+            {
+                is_alpha = (is_alpha || blinn_phong_transparent) ? TRUE : FALSE;
+            }
 
 			if (gltf_mat || (mat && !hud_group))
 			{
@@ -6535,7 +6531,7 @@ U32 LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace
 				{
 					if (mat->getDiffuseAlphaMode() == LLMaterial::DIFFUSE_ALPHA_MODE_MASK)
 					{
-						if (opaque)
+						if (blinn_phong_opaque)
 						{
 							registerFace(group, facep, LLRenderPass::PASS_FULLBRIGHT_ALPHA_MASK);
 						}
@@ -6556,7 +6552,7 @@ U32 LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace
 						}
 						else
 						{
-                            if (opaque)
+                            if (blinn_phong_opaque)
 						    {
 							    registerFace(group, facep, LLRenderPass::PASS_FULLBRIGHT);
                             }
@@ -6567,7 +6563,7 @@ U32 LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, LLFace
 						}
 					}
 				}
-				else if (transparent)
+				else if (blinn_phong_transparent)
 				{
 					registerFace(group, facep, LLRenderPass::PASS_ALPHA);
 				}