Initial commit

Include/ZRenderer/ZVertexParams.hpp

@@ -0,0 +1,106 @@
+/*
+	ZVertexParams.hpp
+	Author: James Russell <jcrussell@762studios.com>
+	Created: 7/1/2012
+
+	Purpose: 
+
+	TODO
+
+	License:
+
+	TODO
+
+*/
+
+#pragma once
+
+#ifndef _ZVERTEXPARAMS_HPP
+#define _ZVERTEXPARAMS_HPP
+
+#include <ZRenderer/ZDrawParams.hpp>
+
+#include <ZSTL/ZSTL.hpp>
+
+#include <ZUtil/ZUtil.hpp>
+
+#include <ZRenderer/ZDataBuffer.hpp>
+
+#ifndef ZVP_MAX_STREAMS
+#define ZVP_MAX_STREAMS (128)
+#endif
+
+class ZVertexParams : public ZDrawParams
+{
+private:
+	//A binding for a vertex stream
+	struct VertexStreamBinding
+	{
+		ZName Name;												//Name of the stream attribute
+		ZPair<ZDataBuffer*, const ZDataBufferStream*> Binding;	//Pair Binding
+	};
+
+	//This is the bound vertex buffer and streams
+	ZPtr<ZDataBuffer>   VertexBuffer;
+	VertexStreamBinding VertexStreams[ZVP_MAX_STREAMS];
+
+	//Our current set number of streams
+	size_t CurrentStreamCount;
+
+protected:
+	//Does this vertex parameter object need to be updated before rendered with?
+	bool Dirty;
+
+public:
+	/*
+	Default Constructor.
+	*/
+	ZVertexParams();
+
+	/*
+	public ZVertexParams::ClearStreams
+	
+	Clears the list of currently set streams.
+	
+	@return (void)
+	@context (all)
+	*/
+	void ClearVertexStreams();
+
+	/*
+	public ZVertexParams::SetStream
+	
+	Sets a vertex buffer stream.  The vertex buffer provided to each call 
+	of 'SetVertexStream' must be the same.
+
+	@param _name - the name of the stream binding
+	@param _vertexBuffer - the vertex buffer to bind streams from
+	@param _stream - the stream definition
+	@return (void)
+	@context (all)
+	*/
+	void SetVertexStream(const ZName& _name, ZPtr<ZDataBuffer> _vertexBuffer, const ZDataBufferStream* _stream);
+
+	/*
+	The following methods are used by the renderer to get the values needed when
+	binding shader parameter values to pass to the shader program, to mark
+	all bound resources as contended, and release contention.
+	*/
+	const ZPair<ZDataBuffer*, const ZDataBufferStream*>* GetStreamByName(const ZName& _name);
+
+
+	ZDataBuffer* GetVertexBuffer();
+
+	bool IsDirty() const { return Dirty; }
+
+	size_t GetStreamCount() const { return CurrentStreamCount; }
+
+	//Subclass Override
+	virtual void MarkResourcesContended();
+
+	//Subclass Override
+	virtual void ReleaseResourceContention();
+
+};
+
+#endif