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# OgreD3D7RenderSystem.h

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    00001 /*
    00002 -----------------------------------------------------------------------------
    00003 This source file is part of OGRE
    00004     (Object-oriented Graphics Rendering Engine)
    00005 For the latest info, see http://ogre.sourceforge.net/
    00006
    00007 Copyright © 2000-2002 The OGRE Team
    00008 Also see acknowledgements in Readme.html
    00009
    00010 This program is free software; you can redistribute it and/or modify it under
    00011 the terms of the GNU Lesser General Public License as published by the Free Software
    00012 Foundation; either version 2 of the License, or (at your option) any later
    00013 version.
    00014
    00015 This program is distributed in the hope that it will be useful, but WITHOUT
    00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
    00018
    00019 You should have received a copy of the GNU Lesser General Public License along with
    00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
    00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
    00022 http://www.gnu.org/copyleft/lesser.txt.
    00023 -----------------------------------------------------------------------------
    00024 */
    00025 #ifndef __D3DRENDERSYSTEM_H__
    00026 #define __D3DRENDERSYSTEM_H__
    00027
    00028 // Precompiler options
    00029 #include "OgreD3D7Prerequisites.h"
    00030 #include "OgreString.h"
    00031
    00032
    00033
    00034 #include "OgreRenderSystem.h"
    00035 #include "OgreD3D7HardwareBufferManager.h"
    00036
    00037 namespace Ogre {
    00038
    00039     class DDDriverList;
    00040     class DDDriver;
    00041
    00045     class D3DRenderSystem : public RenderSystem
    00046     {
    00047     private:
    00048         // Direct3D rendering device
    00049         // Only created after top-level window created
    00050         LPDIRECT3DDEVICE7 mlpD3DDevice;
    00051         D3DDEVICEDESC7 mD3DDeviceDesc;
    00052
    00053         // List of DD drivers installed (video cards)
    00054         // Enumerates itself
    00055         DDDriverList* mDriverList;
    00056         // Currently active driver
    00057         DDDriver* mActiveDDDriver;
    00058
    00059
    00060         HINSTANCE mhInstance;
    00061
    00062
    00063
    00064         // Stored options
    00065         ConfigOptionMap mOptions;
    00066
    00067         // Private utilities
    00068         DDDriverList* getDirectDrawDrivers(void);
    00069         void refreshDDSettings(void);
    00070
    00072         enum eD3DTexType
    00073         {
    00075             D3D_TEX_TYPE_NORMAL,
    00077             D3D_TEX_TYPE_CUBE,
    00079             D3D_TEX_TYPE_VOLUME
    00080         };
    00081
    00083         eD3DTexType _ogreTexTypeToD3DTexType(TextureType ogreTexType)
    00084         {
    00085             eD3DTexType ret;
    00086             switch (ogreTexType)
    00087             {
    00088             case TEX_TYPE_1D :
    00089             case TEX_TYPE_2D :
    00090                 ret = D3D_TEX_TYPE_NORMAL;
    00091                 break;
    00092             case TEX_TYPE_CUBE_MAP :
    00093                 ret = D3D_TEX_TYPE_CUBE;
    00094                 break;
    00095             default :
    00096                 Except( Exception::ERR_INVALIDPARAMS, "Invalid tex.type", "D3D9RenderSystem::_ogreTexTypeToD3DTexType" );
    00097                 break;
    00098             }
    00099             return ret;
    00100         }
    00101
    00103         struct sD3DTextureStageDesc
    00104         {
    00106             eD3DTexType texType;
    00108             size_t coordIndex;
    00110             TexCoordCalcMethod autoTexCoordType;
    00112             const Frustum* frustum;
    00114             LPDIRECTDRAWSURFACE7 pTex;
    00115         } mTexStageDesc[OGRE_MAX_TEXTURE_LAYERS];
    00116
    00117
    00118         // Matrix conversion
    00119         D3DMATRIX makeD3DMatrix(const Matrix4& mat);
    00120         Matrix4 convertD3DMatrix(const D3DMATRIX& mat);
    00121
    00122         void initConfigOptions(void);
    00123         void initInputDevices(void);
    00124         void processInputDevices(void);
    00125         void setD3DLight(size_t index, Light* light);
    00126
    00127         D3DCMPFUNC convertCompareFunction(CompareFunction func);
    00128         D3DSTENCILOP convertStencilOp(StencilOperation op);
    00129
    00130         // state management methods, very primitive !!!
    00131         HRESULT __SetRenderState(D3DRENDERSTATETYPE state, DWORD value);
    00132         HRESULT __SetTextureStageState(DWORD stage, D3DTEXTURESTAGESTATETYPE type, DWORD value);
    00133
    00134
    00135         D3DTEXTURESTAGESTATETYPE _getFilterCode(FilterType ft) const;
    00136         DWORD _getFilter(FilterType ft, FilterOptions fo) const;
    00137         DWORD _getCurrentAnisotropy(size_t unit);
    00138
    00139         HardwareBufferManager* mHardwareBufferManager;
    00140         GpuProgramManager* mGpuProgramManager;
    00141
    00142
    00143         unsigned short mCurrentLights;
    00144         Matrix4 mViewMatrix;
    00145         // saved scene blending factors
    00146         SceneBlendFactor mSavedSrcFactor, mSavedDestFactor;
    00147
    00148
    00149     public:
    00150         // Default constructor / destructor
    00151         D3DRenderSystem(HINSTANCE hInstance);
    00152         ~D3DRenderSystem();
    00153
    00154
    00155
    00156         // ----------------------------------
    00157         // Overridden RenderSystem functions
    00158         // ----------------------------------
    00162         const String& getName(void) const;
    00166         ConfigOptionMap& getConfigOptions(void);
    00170         void setConfigOption(const String &name, const String &value);
    00174         String validateConfigOptions(void);
    00178         RenderWindow* initialise(bool autoCreateWindow, const String& windowTitle = "OGRE Render Window");
    00182         void reinitialise(void); // Used if settings changed mid-rendering
    00186         void shutdown(void);
    00187
    00191         void setAmbientLight(float r, float g, float b);
    00195         void setShadingType(ShadeOptions so);
    00199         void setLightingEnabled(bool enabled);
    00203         RenderWindow* createRenderWindow(const String &name, unsigned int width, unsigned int height, unsigned int colourDepth,
    00204             bool fullScreen, int left = 0, int top = 0, bool depthBuffer = true,
    00205             RenderWindow* parentWindowHandle = 0);
    00206
    00207         RenderTexture * createRenderTexture( const String & name, unsigned int width, unsigned int height );
    00208
    00212         void destroyRenderWindow(RenderWindow* pWin);
    00213
    00217         String getErrorDescription(long errorNumber) const;
    00218
    00222         void convertColourValue(const ColourValue& colour, unsigned long* pDest);
    00223
    00224         // -----------------------------
    00225         // Low-level overridden members
    00226         // -----------------------------
    00230         void _useLights(const LightList& lights, unsigned short limit);
    00234         void _setWorldMatrix(const Matrix4 &m);
    00238         void _setViewMatrix(const Matrix4 &m);
    00242         void _setProjectionMatrix(const Matrix4 &m);
    00246         void _setSurfaceParams(const ColourValue &ambient,
    00247             const ColourValue &diffuse, const ColourValue &specular,
    00248             const ColourValue &emissive, Real shininess);
    00252         void _setTexture(size_t unit, bool enabled, const String &texname);
    00256         void _setTextureBlendMode(size_t unit, const LayerBlendModeEx& bm);
    00260         void _setTextureAddressingMode(size_t unit, TextureUnitState::TextureAddressingMode tam);
    00264         void _setTextureMatrix(size_t unit, const Matrix4& xform);
    00268         void _setTextureCoordSet( size_t unit, size_t index );
    00272         void _setTextureCoordCalculation(size_t unit, TexCoordCalcMethod m,
    00273             const Frustum* frustum = 0);
    00277         void _setSceneBlending(SceneBlendFactor sourceFactor, SceneBlendFactor destFactor);
    00281         void _setAlphaRejectSettings(CompareFunction func, unsigned char value);
    00285         void _setViewport(Viewport *vp);
    00289         void _beginFrame(void);
    00293         void _render(const RenderOperation& op);
    00297         void _endFrame(void);
    00301         void _setCullingMode(CullingMode mode);
    00305         void _setDepthBufferParams(bool depthTest = true, bool depthWrite = true, CompareFunction depthFunction = CMPF_LESS_EQUAL);
    00309         void _setDepthBufferCheckEnabled(bool enabled = true);
    00313         void _setDepthBufferWriteEnabled(bool enabled = true);
    00317         void _setDepthBufferFunction(CompareFunction func = CMPF_LESS_EQUAL);
    00321         void _setDepthBias(ushort bias);
    00328         void _setColourBufferWriteEnabled(bool red, bool green, bool blue, bool alpha);
    00329
    00333         void _setFog(FogMode mode, const ColourValue& colour, Real density, Real start, Real end);
    00337         void _makeProjectionMatrix(const Radian& fovy, Real aspect, Real nearPlane,
    00338             Real farPlane, Matrix4& dest, bool forGpuProgram = false);
    00342         void _makeProjectionMatrix(Real left, Real right, Real bottom, Real top,
    00343             Real nearPlane, Real farPlane, Matrix4& dest, bool forGpuProgram = false);
    00347         void _makeOrthoMatrix(const Radian& fovy, Real aspect, Real nearPlane, Real farPlane,
    00348             Matrix4& dest, bool forGpuProgram = false);
    00352         void _applyObliqueDepthProjection(Matrix4& matrix, const Plane& plane,
    00353             bool forGpuProgram);
    00357         void _setRasterisationMode(SceneDetailLevel level);
    00361         void setStencilCheckEnabled(bool enabled);
    00365         void setStencilBufferParams(CompareFunction func = CMPF_ALWAYS_PASS,
    00366             ulong refValue = 0, ulong mask = 0xFFFFFFFF,
    00367             StencilOperation stencilFailOp = SOP_KEEP,
    00368             StencilOperation depthFailOp = SOP_KEEP,
    00369             StencilOperation passOp = SOP_KEEP,
    00370             bool twoSidedOperation = false);
    00371         void _setTextureUnitFiltering(size_t unit, FilterType ftype, FilterOptions filter);
    00375         void _setTextureLayerAnisotropy(size_t unit, unsigned int maxAnisotropy);
    00379         void setVertexDeclaration(VertexDeclaration* decl);
    00383         void setVertexBufferBinding(VertexBufferBinding* binding);
    00387         void setNormaliseNormals(bool normalise);
    00391         void bindGpuProgram(GpuProgram* prg) { /* do nothing */}
    00395         void unbindGpuProgram(GpuProgramType gptype){ /* do nothing */}
    00399         void bindGpuProgramParameters(GpuProgramType gptype, GpuProgramParametersSharedPtr params) { /* do nothing */}
    00403         void setClipPlanes(const PlaneList& clipPlanes);
    00407         void setScissorTest(bool enabled, size_t left = 0, size_t top = 0, size_t right = 800, size_t bottom = 600)
    00408         { /* do nothing, d3d7 does not support scissor rect */ }
    00412         void clearFrameBuffer(unsigned int buffers,
    00413             const ColourValue& colour = ColourValue::Black,
    00414             Real depth = 1.0f, unsigned short stencil = 0);
    00415
    00416         void setClipPlane (ushort index, Real A, Real B, Real C, Real D);
    00417         void enableClipPlane (ushort index, bool enable);
    00421         HardwareOcclusionQuery* createHardwareOcclusionQuery(void);
    00422         Real getHorizontalTexelOffset(void);
    00423         Real getVerticalTexelOffset(void);
    00424         Real getMinimumDepthInputValue(void);
    00425         Real getMaximumDepthInputValue(void);
    00426         // ----------------------------------
    00427         // End Overridden members
    00428         // ----------------------------------
    00429     };
    00430 }
    00431 #endif
    00432

Copyright © 2002-2003 by The OGRE Team
Last modified Sun Nov 28 19:48:19 2004