GEEKING

App.BulletPhysics/BulletMultiThreaded/GpuSoftBodySolvers/OpenCL/btSoftBodySolverOutputCLtoGL.h

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+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose, 
+including commercial applications, and to alter it and redistribute it freely, 
+subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef BT_SOFT_BODY_SOLVER_OUTPUT_CL_TO_GL_H
+#define BT_SOFT_BODY_SOLVER_OUTPUT_CL_TO_GL_H
+
+#include "btSoftBodySolver_OpenCL.h"
+
+/** 
+ * Class to manage movement of data from a solver to a given target.
+ * This version is the CL to GL interop version.
+ */
+class btSoftBodySolverOutputCLtoGL : public btSoftBodySolverOutput
+{
+protected:
+	cl_command_queue	m_cqCommandQue;
+	cl_context			m_cxMainContext;
+	CLFunctions			clFunctions;
+	
+	cl_kernel		outputToVertexArrayWithNormalsKernel;
+	cl_kernel		outputToVertexArrayWithoutNormalsKernel;
+
+	bool m_shadersInitialized;
+	
+	virtual bool checkInitialized();	
+	virtual bool buildShaders();
+	void releaseKernels();
+public:
+	btSoftBodySolverOutputCLtoGL(cl_command_queue cqCommandQue, cl_context cxMainContext) :
+		m_cqCommandQue( cqCommandQue ),
+		m_cxMainContext( cxMainContext ),
+		clFunctions(cqCommandQue, cxMainContext),
+		outputToVertexArrayWithNormalsKernel( 0 ),
+		outputToVertexArrayWithoutNormalsKernel( 0 ),
+		m_shadersInitialized( false )
+	{
+	}
+
+	virtual ~btSoftBodySolverOutputCLtoGL()
+	{
+		releaseKernels();
+	}
+
+	/** Output current computed vertex data to the vertex buffers for all cloths in the solver. */
+	virtual void copySoftBodyToVertexBuffer( const btSoftBody * const softBody, btVertexBufferDescriptor *vertexBuffer );
+};
+
+
+
+#endif // #ifndef BT_SOFT_BODY_SOLVER_OUTPUT_CL_TO_GL_H