axmol/extensions/spine/SkeletonBatch.h

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#ifndef SPINE_SKELETONBATCH_H_
#define SPINE_SKELETONBATCH_H_

#include "cocos2d.h"
#if COCOS2D_VERSION >= 0x00040000

#include "renderer/backend/ProgramState.h"
#include <spine/spine.h>
#include <vector>

namespace spine {
	struct SkeletonCommand : public cocos2d::TrianglesCommand {
		cocos2d::backend::UniformLocation _locMVP;
		cocos2d::backend::UniformLocation _locTexture;
	};
	class SP_API SkeletonBatch {
	public:
		static SkeletonBatch *getInstance();

		static void destroyInstance();

		void update(float delta);

		cocos2d::V3F_C4B_T2F *allocateVertices(uint32_t numVertices);
		void deallocateVertices(uint32_t numVertices);
		unsigned short *allocateIndices(uint32_t numIndices);
		void deallocateIndices(uint32_t numVertices);
		cocos2d::TrianglesCommand *addCommand(cocos2d::Renderer *renderer, float globalOrder, cocos2d::Texture2D *texture, cocos2d::backend::ProgramState *programState, cocos2d::BlendFunc blendType, const cocos2d::TrianglesCommand::Triangles &triangles, const cocos2d::Mat4 &mv, uint32_t flags);

		cocos2d::backend::ProgramState* updateCommandPipelinePS(SkeletonCommand* command, cocos2d::backend::ProgramState* programState);

	protected:
		SkeletonBatch();
		virtual ~SkeletonBatch();

		void reset();

		SkeletonCommand* nextFreeCommand ();

		SkeletonCommand* newCommand();

		ax::backend::ProgramState*                     _programState; // The default program state

		// pool of commands
		std::vector<SkeletonCommand *> _commandsPool;
		uint32_t _nextFreeCommand;

		// pool of vertices
		std::vector<cocos2d::V3F_C4B_T2F> _vertices;
		uint32_t _numVertices;

		// pool of indices
		Vector<unsigned short> _indices;
	};

}// namespace spine

#endif

#endif// SPINE_SKELETONBATCH_H_