OgreD3D9GpuProgram.h

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/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2013 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
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*/
#ifndef __D3D9GpuProgram_H_
#define __D3D9GpuProgram_H_

// Precompiler options
#include "OgreD3D9Prerequisites.h"
#include "OgreGpuProgram.h"
#include "OgreD3D9Resource.h"

namespace Ogre {

    class _OgreD3D9Export D3D9GpuProgram : public GpuProgram, public D3D9Resource
    {   
    public:
        class CmdColumnMajorMatrices : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
        class CmdExternalMicrocode : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
    protected:
        static CmdColumnMajorMatrices msCmdColumnMajorMatrices;
        static CmdExternalMicrocode msCmdExternalMicrocode;
    public:
        D3D9GpuProgram(ResourceManager* creator, const String& name, ResourceHandle handle,
            const String& group, bool isManual, ManualResourceLoader* loader);
        ~D3D9GpuProgram();


        void setColumnMajorMatrices(bool columnMajor) { mColumnMajorMatrices = columnMajor; }
        bool getColumnMajorMatrices(void) const { return mColumnMajorMatrices; }

        void setExternalMicrocode(const void* pMicrocode, size_t size);
        void setExternalMicrocode(ID3DXBuffer* pMicrocode);
        LPD3DXBUFFER getExternalMicrocode(void);
    protected:
        void loadImpl(void);
        void loadImpl(IDirect3DDevice9* d3d9Device);
        void unloadImpl(void);
        void loadFromSource(void);
        void loadFromSource(IDirect3DDevice9* d3d9Device);        
        virtual void loadFromMicrocode(IDirect3DDevice9* d3d9Device, ID3DXBuffer* microcode) = 0;


        virtual GpuProgramParametersSharedPtr createParameters(void);
    protected:    
        bool mColumnMajorMatrices;
        ID3DXBuffer* mExternalMicrocode;

        void getMicrocodeFromCache( IDirect3DDevice9* d3d9Device );
        void compileMicrocode( IDirect3DDevice9* d3d9Device );
    };

    class _OgreD3D9Export D3D9GpuVertexProgram : public D3D9GpuProgram
    {  
    public:
        D3D9GpuVertexProgram(ResourceManager* creator, const String& name, ResourceHandle handle,
            const String& group, bool isManual, ManualResourceLoader* loader);
        ~D3D9GpuVertexProgram();
        
        IDirect3DVertexShader9* getVertexShader(void);

        // Called immediately after the Direct3D device has been created.
        virtual void notifyOnDeviceCreate(IDirect3DDevice9* d3d9Device);

        // Called before the Direct3D device is going to be destroyed.
        virtual void notifyOnDeviceDestroy(IDirect3DDevice9* d3d9Device);

    protected:
        void unloadImpl(void);
        void loadFromMicrocode(IDirect3DDevice9* d3d9Device, ID3DXBuffer* microcode);

    protected:
        typedef map<IDirect3DDevice9*, IDirect3DVertexShader9*>::type   DeviceToVertexShaderMap;
        typedef DeviceToVertexShaderMap::iterator                       DeviceToVertexShaderIterator;
    
        DeviceToVertexShaderMap     mMapDeviceToVertexShader;   
    };

    class _OgreD3D9Export D3D9GpuFragmentProgram : public D3D9GpuProgram
    {  
    public:
        D3D9GpuFragmentProgram(ResourceManager* creator, const String& name, ResourceHandle handle,
            const String& group, bool isManual, ManualResourceLoader* loader);
        ~D3D9GpuFragmentProgram();
        IDirect3DPixelShader9* getPixelShader(void);

        // Called immediately after the Direct3D device has been created.
        virtual void notifyOnDeviceCreate(IDirect3DDevice9* d3d9Device);

        // Called before the Direct3D device is going to be destroyed.
        virtual void notifyOnDeviceDestroy(IDirect3DDevice9* d3d9Device);

    protected:
        void unloadImpl(void);
        void loadFromMicrocode(IDirect3DDevice9* d3d9Device, ID3DXBuffer* microcode);

    protected:
        typedef map<IDirect3DDevice9*, IDirect3DPixelShader9*>::type    DeviceToPixelShaderMap;
        typedef DeviceToPixelShaderMap::iterator                        DeviceToPixelShaderIterator;

        DeviceToPixelShaderMap      mMapDeviceToPixelShader;            
    };
    class _OgreExport D3D9GpuProgramPtr : public SharedPtr<D3D9GpuProgram> 
    {
    public:
        D3D9GpuProgramPtr() : SharedPtr<D3D9GpuProgram>() {}
        explicit D3D9GpuProgramPtr(D3D9GpuProgram* rep) : SharedPtr<D3D9GpuProgram>(rep) {}
        D3D9GpuProgramPtr(const D3D9GpuProgramPtr& r) : SharedPtr<D3D9GpuProgram>(r) {} 
        D3D9GpuProgramPtr(const ResourcePtr& r) : SharedPtr<D3D9GpuProgram>()
        {
            // lock & copy other mutex pointer
            OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
            OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
            pRep = static_cast<D3D9GpuProgram*>(r.getPointer());
            pUseCount = r.useCountPointer();
            if (pUseCount)
            {
                ++(*pUseCount);
            }
        }

        D3D9GpuProgramPtr& operator=(const ResourcePtr& r)
        {
            if (pRep == static_cast<D3D9GpuProgram*>(r.getPointer()))
                return *this;
            release();
            // lock & copy other mutex pointer
            OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
            OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
            pRep = static_cast<D3D9GpuProgram*>(r.getPointer());
            pUseCount = r.useCountPointer();
            if (pUseCount)
            {
                ++(*pUseCount);
            }
            return *this;
        }
    };

}


#endif