4 files changed, 18 insertions, 7 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl
index 87c1ff5517..b5c38bba04 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl
@@ -104,15 +104,16 @@ void main()
     tnorm = normalize(tnorm.xyz);
 
     norm.xyz = normalize(tnorm.xyz);
+
     // RGB = Occlusion, Roughness, Metal
-    // default values
-    //   occlusion ?
-    //   roughness 1.0
-    //   metal     1.0
+    // default values, see LLViewerTexture::sDefaultPBRORMImagep
+    //   occlusion 1.0
+    //   roughness 0.0
+    //   metal     0.0
 #ifdef HAS_SPECULAR_MAP
     vec3 spec = texture2D(specularMap, vary_texcoord2.xy).rgb;
 #else
-    vec3 spec = vec3(1,1,1);
+    vec3 spec = vec3(1,0,0);
 #endif
     
     spec.g *= roughnessFactor;
diff --git a/indra/newview/lldrawpoolpbropaque.cpp b/indra/newview/lldrawpoolpbropaque.cpp
index 3930e11cf3..35beafaa40 100644
--- a/indra/newview/lldrawpoolpbropaque.cpp
+++ b/indra/newview/lldrawpoolpbropaque.cpp
@@ -120,7 +120,7 @@ void LLDrawPoolPBROpaque::renderDeferred(S32 pass)
             }
             else
             {
-                shader->bindTexture(LLShaderMgr::SPECULAR_MAP, LLViewerFetchedTexture::sWhiteImagep);
+                shader->bindTexture(LLShaderMgr::SPECULAR_MAP, LLViewerTexture::sDefaultPBRORMImagep); // ORM 1,0,0
             }
 
             if (pparams->mEmissiveMap)
diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index c389d2122e..3ecab2c647 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -69,6 +69,7 @@ const S32Megabytes gMaxVideoRam(512);
 LLPointer<LLViewerTexture>        LLViewerTexture::sNullImagep = NULL;
 LLPointer<LLViewerTexture>        LLViewerTexture::sBlackImagep = NULL;
 LLPointer<LLViewerTexture>        LLViewerTexture::sCheckerBoardImagep = NULL;
+LLPointer<LLViewerTexture>        LLViewerTexture::sDefaultPBRORMImagep = NULL; // PBR: When ORM is missing use 1,0,0
 LLPointer<LLViewerFetchedTexture> LLViewerFetchedTexture::sMissingAssetImagep = NULL;
 LLPointer<LLViewerFetchedTexture> LLViewerFetchedTexture::sWhiteImagep = NULL;
 LLPointer<LLViewerFetchedTexture> LLViewerFetchedTexture::sDefaultImagep = NULL;
@@ -367,6 +368,13 @@ void LLViewerTextureManager::init()
 		LLViewerTexture::sNullImagep = LLViewerTextureManager::getLocalTexture(raw.get(), TRUE);
 	}
 
+	// Create Default PBR ORM Texture 1,0,0
+	{
+		LLPointer<LLImageRaw> red = new LLImageRaw(8,8,3);
+		red->clear(0xFF, 0x00, 0x00, 0xFF);
+		LLViewerTexture::sDefaultPBRORMImagep = LLViewerTextureManager::getLocalTexture(red.get(), TRUE);
+	}
+
 	const S32 dim = 128;
 	LLPointer<LLImageRaw> image_raw = new LLImageRaw(dim,dim,3);
 	U8* data = image_raw->getData();
@@ -451,8 +459,9 @@ void LLViewerTextureManager::cleanup()
 	LLImageGL::sDefaultGLTexture = NULL;
 	LLViewerTexture::sNullImagep = NULL;
 	LLViewerTexture::sBlackImagep = NULL;
+	LLViewerFetchedTexture::sDefaultPBRORMImagep = NULL;
 	LLViewerTexture::sCheckerBoardImagep = NULL;
-	LLViewerFetchedTexture::sDefaultImagep = NULL;	
+	LLViewerFetchedTexture::sDefaultImagep = NULL;
 	LLViewerFetchedTexture::sSmokeImagep = NULL;
 	LLViewerFetchedTexture::sMissingAssetImagep = NULL;
 	LLTexUnit::sWhiteTexture = 0;
diff --git a/indra/newview/llviewertexture.h b/indra/newview/llviewertexture.h
index 53cf911102..89ded4ded7 100644
--- a/indra/newview/llviewertexture.h
+++ b/indra/newview/llviewertexture.h
@@ -252,6 +252,7 @@ public:
 	static LLPointer<LLViewerTexture> sNullImagep; // Null texture for non-textured objects.
 	static LLPointer<LLViewerTexture> sBlackImagep;	// Texture to show NOTHING (pure black)
 	static LLPointer<LLViewerTexture> sCheckerBoardImagep;	// Texture to show NOTHING (pure black)
+	static LLPointer<LLViewerTexture> sDefaultPBRORMImagep; // PBR: When ORM is missing use 1,0,0
 };