OgreD3D9HLSLProgram.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) 2000-2011 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
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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
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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THE SOFTWARE.
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*/
#ifndef __D3D9HLSLProgram_H__
#define __D3D9HLSLProgram_H__

#include "OgreD3D9Prerequisites.h"
#include "OgreHighLevelGpuProgram.h"

namespace Ogre {
    class _OgreD3D9Export D3D9HLSLProgram : public HighLevelGpuProgram
    {
    public:
        class CmdEntryPoint : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
        class CmdTarget : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
        class CmdPreprocessorDefines : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
        class CmdColumnMajorMatrices : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
        class CmdOptimisation : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };

        class CmdMicrocode : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };

        class CmdAssemblerCode : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
    protected:

        static CmdEntryPoint msCmdEntryPoint;
        static CmdTarget msCmdTarget;
        static CmdPreprocessorDefines msCmdPreprocessorDefines;
        static CmdColumnMajorMatrices msCmdColumnMajorMatrices;
        static CmdOptimisation msCmdOptimisation;
        static CmdMicrocode msCmdMicrocode;
        static CmdAssemblerCode msCmdAssemblerCode;

        void loadFromSource(void);
        void createLowLevelImpl(void);
        void unloadHighLevelImpl(void);
        void buildConstantDefinitions() const;

        // Recursive utility method for buildParamNameMap
        void processParamElement(D3DXHANDLE parent, String prefix, unsigned int index) const;
        void populateDef(D3DXCONSTANT_DESC& d3dDesc, GpuConstantDefinition& def) const;

        String mTarget;
        String mEntryPoint;
        String mPreprocessorDefines;
        bool mColumnMajorMatrices;

        LPD3DXBUFFER mpMicroCode;
        LPD3DXCONSTANTTABLE mpConstTable;

    public:
        LPD3DXBUFFER getMicroCode();
    public:
        enum OptimisationLevel
        {
            OPT_DEFAULT,
            OPT_NONE,
            OPT_0, 
            OPT_1,
            OPT_2, 
            OPT_3
        };
    protected:
        OptimisationLevel mOptimisationLevel;

    public:
        D3D9HLSLProgram(ResourceManager* creator, const String& name, ResourceHandle handle,
            const String& group, bool isManual, ManualResourceLoader* loader);
        ~D3D9HLSLProgram();

        void setEntryPoint(const String& entryPoint) { mEntryPoint = entryPoint; }
        const String& getEntryPoint(void) const { return mEntryPoint; }
        void setTarget(const String& target);
        const String& getTarget(void) const { return mTarget; }
        void setPreprocessorDefines(const String& defines) { mPreprocessorDefines = defines; }
        const String& getPreprocessorDefines(void) const { return mPreprocessorDefines; }
        void setColumnMajorMatrices(bool columnMajor) { mColumnMajorMatrices = columnMajor; }
        bool getColumnMajorMatrices(void) const { return mColumnMajorMatrices; }
        void setOptimisationLevel(OptimisationLevel opt) { mOptimisationLevel = opt; }

        OptimisationLevel getOptimisationLevel() const { return mOptimisationLevel; }

        bool isSupported(void) const;
        GpuProgramParametersSharedPtr createParameters(void);
        const String& getLanguage(void) const;
    };
}

#endif