cleaned up variant of https://github.com/GarageGames/Torque3D/pull/768 alterations: opengl support, in-shader bug-reporting, direction vector fit to material slider-bar.

Engine/source/ts/tsMesh.cpp

@@ -165,6 +165,9 @@ void TSMesh::innerRender( TSMaterialList *materials, const TSRenderState &rdata,
    MeshRenderInst *coreRI = renderPass->allocInst<MeshRenderInst>();
    coreRI->type = RenderPassManager::RIT_Mesh;
 
+   // Pass accumulation texture along.
+   coreRI->accuTex = rdata.getAccuTex();
+
    const MatrixF &objToWorld = GFX->getWorldMatrix();
 
    // Sort by the center point or the bounds.

Engine/source/ts/tsRenderState.cpp

@@ -33,7 +33,8 @@ TSRenderState::TSRenderState()
       mMaterialHint( NULL ),
       mCuller( NULL ),
       mLightQuery( NULL ),
-      mUseOriginSort( false )
+      mUseOriginSort( false ),
+      mAccuTex( NULL )
 {
 }
 

Engine/source/ts/tsRenderState.h

@@ -27,7 +27,9 @@
 #include "math/mMatrix.h"
 #endif
 
-
+#ifndef _GFXDEVICE_H_
+#include "gfx/gfxDevice.h"
+#endif
 
 class SceneRenderState;
 class GFXCubemap;
@@ -103,8 +105,14 @@ protected:
    /// are forward lit and need lights.
    LightQuery *mLightQuery;
 
+   // The accumulation texture provided by an accumulation
+   // volume. This is passed down per-object.
+   GFXTextureObject* mAccuTex;
+
 public:
 
+   
+
    TSRenderState();
    TSRenderState( const TSRenderState &state );
 
@@ -147,6 +155,10 @@ public:
    void setLightQuery( LightQuery *query ) { mLightQuery = query; }
    LightQuery* getLightQuery() const { return mLightQuery; }
 
+   ///@see mAccuTex
+   void setAccuTex( GFXTextureObject* query ) { mAccuTex = query; }
+   GFXTextureObject* getAccuTex() const { return mAccuTex; }
+
    /// @}
 };
 

Engine/source/ts/tsShapeInstance.cpp

@@ -39,7 +39,6 @@
 #include "gfx/gfxDrawUtil.h"
 #include "core/module.h"
 
-
 MODULE_BEGIN( TSShapeInstance )
 
    MODULE_INIT
@@ -783,3 +782,16 @@ void TSShapeInstance::prepCollision()
    }
 }
 
+// Returns true is the shape contains any materials with accumulation enabled.
+bool TSShapeInstance::hasAccumulation()
+{
+   bool result = false;
+   for ( U32 i = 0; i < mMaterialList->size(); ++i )
+   {
+      BaseMatInstance* mat = mMaterialList->getMaterialInst(i);
+      if ( mat->hasAccumulation() )
+         result = true;
+   }
+   return result;
+}
+

Engine/source/ts/tsShapeInstance.h

@@ -671,6 +671,12 @@ protected:
    void *mData; ///< available for use by app...initialized to 0
 
    void prepCollision();
+
+//-------------------------------------------------------------------------------------
+// accumulation
+//-------------------------------------------------------------------------------------
+
+   bool hasAccumulation();
 };