Add IMaterialRenderer::getShaderConstantSetCallBack to allow access to user provided shader callbacks.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5668 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IMaterialRenderer.h

@@ -16,6 +16,7 @@ namespace video
 
 class IVideoDriver;
 class IMaterialRendererServices;
+class IShaderConstantSetCallBack;
 
 //! Interface for material rendering.
 /** Can be used to extend the engine with new materials. Refer to
@@ -91,6 +92,11 @@ public:
 	Fixed function pipeline materials should return 0 in most cases, parallax mapped
 	material will only return 0 when at least pixel shader 1.4 is available on that machine. */
 	virtual s32 getRenderCapability() const { return 0; }
+
+	//! Access the callback provided by the users when creating shader materials
+	/** \returns Returns either the users provided callback or 0 when no such 
+	callback exists. Non-shader materials will always return 0.	*/
+	virtual IShaderConstantSetCallBack* getShaderConstantSetCallBack() const { return 0; }
 };
 
 

source/Irrlicht/CD3D9ShaderMaterialRenderer.h

@@ -48,6 +48,12 @@ public:
 	//! Returns if the material is transparent.
 	virtual bool isTransparent() const _IRR_OVERRIDE_;
 
+	//! Access the callback provided by the users when creating shader materials
+	virtual IShaderConstantSetCallBack* getShaderConstantSetCallBack() const _IRR_OVERRIDE_
+	{ 
+		return CallBack;
+	}
+
 protected:
 
 	//! constructor only for use by derived classes who want to

source/Irrlicht/COpenGLSLMaterialRenderer.h

@@ -65,6 +65,12 @@ public:
 	//! Returns if the material is transparent.
 	virtual bool isTransparent() const _IRR_OVERRIDE_;
 
+	//! Access the callback provided by the users when creating shader materials
+	virtual IShaderConstantSetCallBack* getShaderConstantSetCallBack() const _IRR_OVERRIDE_
+	{ 
+		return CallBack;
+	}
+
 	// implementations for the render services
 	virtual void setBasicRenderStates(const SMaterial& material, const SMaterial& lastMaterial, bool resetAllRenderstates) _IRR_OVERRIDE_;
 	virtual s32 getVertexShaderConstantID(const c8* name) _IRR_OVERRIDE_;

source/Irrlicht/COpenGLShaderMaterialRenderer.h

@@ -44,6 +44,12 @@ public:
 	//! Returns if the material is transparent.
 	virtual bool isTransparent() const _IRR_OVERRIDE_;
 
+	//! Access the callback provided by the users when creating shader materials
+	virtual IShaderConstantSetCallBack* getShaderConstantSetCallBack() const _IRR_OVERRIDE_
+	{ 
+		return CallBack;
+	}
+
 protected:
 
 	//! constructor only for use by derived classes who want to