[657] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://ogre.sourceforge.net/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #ifndef __D3DRENDERSYSTEM_H__
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| 26 | #define __D3DRENDERSYSTEM_H__
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| 27 |
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| 28 | // Precompiler options
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| 29 | #include "OgreD3D7Prerequisites.h"
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| 30 | #include "OgreString.h"
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| 31 |
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| 32 |
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| 33 |
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| 34 | #include "OgreRenderSystem.h"
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| 35 | #include "OgreD3D7HardwareBufferManager.h"
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| 36 |
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| 37 | namespace Ogre {
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| 38 |
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| 39 | class DDDriverList;
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| 40 | class DDDriver;
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| 41 |
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| 42 | /**
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| 43 | Implementation of DirectX as a rendering system.
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| 44 | */
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| 45 | class D3DRenderSystem : public RenderSystem
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| 46 | {
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| 47 | private:
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| 48 | // Direct3D rendering device
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| 49 | // Only created after top-level window created
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| 50 | LPDIRECT3DDEVICE7 mlpD3DDevice;
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| 51 | D3DDEVICEDESC7 mD3DDeviceDesc;
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| 52 |
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| 53 | // List of DD drivers installed (video cards)
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| 54 | // Enumerates itself
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| 55 | DDDriverList* mDriverList;
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| 56 | // Currently active driver
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| 57 | DDDriver* mActiveDDDriver;
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| 58 |
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| 59 |
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| 60 | HINSTANCE mhInstance;
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| 61 | bool mDeviceLost;
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| 62 |
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| 63 |
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| 64 |
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| 65 | // Stored options
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| 66 | ConfigOptionMap mOptions;
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| 67 |
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| 68 | // Private utilities
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| 69 | DDDriverList* getDirectDrawDrivers(void);
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| 70 | void refreshDDSettings(void);
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| 71 |
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| 72 | /// enum identifying D3D9 tex. types
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| 73 | enum eD3DTexType
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| 74 | {
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| 75 | /// standard texture
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| 76 | D3D_TEX_TYPE_NORMAL,
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| 77 | /// cube texture
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| 78 | D3D_TEX_TYPE_CUBE,
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| 79 | /// volume texture
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| 80 | D3D_TEX_TYPE_VOLUME
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| 81 | };
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| 82 |
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| 83 | /// return the D3DtexType equivalent of a Ogre tex. type
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| 84 | eD3DTexType _ogreTexTypeToD3DTexType(TextureType ogreTexType)
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| 85 | {
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| 86 | eD3DTexType ret;
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| 87 | switch (ogreTexType)
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| 88 | {
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| 89 | case TEX_TYPE_1D :
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| 90 | case TEX_TYPE_2D :
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| 91 | ret = D3D_TEX_TYPE_NORMAL;
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| 92 | break;
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| 93 | case TEX_TYPE_CUBE_MAP :
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| 94 | ret = D3D_TEX_TYPE_CUBE;
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| 95 | break;
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| 96 | default :
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| 97 | OGRE_EXCEPT( Exception::ERR_INVALIDPARAMS, "Invalid tex.type", "D3D9RenderSystem::_ogreTexTypeToD3DTexType" );
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| 98 | break;
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| 99 | }
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| 100 | return ret;
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| 101 | }
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| 102 |
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| 103 | /// structure holding texture unit settings for every stage
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| 104 | struct sD3DTextureStageDesc
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| 105 | {
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| 106 | /// the type of the texture
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| 107 | eD3DTexType texType;
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| 108 | /// wich texCoordIndex to use
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| 109 | size_t coordIndex;
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| 110 | /// type of auto tex. calc. used
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| 111 | TexCoordCalcMethod autoTexCoordType;
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| 112 | /// Frustum, used with the above in projective texturing
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| 113 | const Frustum* frustum;
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| 114 | /// texture, if it's 0/NULL the tex layer is disabled
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| 115 | LPDIRECTDRAWSURFACE7 pTex;
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| 116 | } mTexStageDesc[OGRE_MAX_TEXTURE_LAYERS];
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| 117 |
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| 118 |
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| 119 | // Matrix conversion
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| 120 | D3DMATRIX makeD3DMatrix(const Matrix4& mat);
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| 121 | Matrix4 convertD3DMatrix(const D3DMATRIX& mat);
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| 122 |
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| 123 | void initConfigOptions(void);
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| 124 | void initInputDevices(void);
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| 125 | void processInputDevices(void);
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| 126 | void setD3DLight(size_t index, Light* light);
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| 127 |
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| 128 | D3DCMPFUNC convertCompareFunction(CompareFunction func);
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| 129 | D3DSTENCILOP convertStencilOp(StencilOperation op);
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| 130 |
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| 131 | // state management methods, very primitive !!!
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| 132 | HRESULT __SetRenderState(D3DRENDERSTATETYPE state, DWORD value);
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| 133 | HRESULT __SetTextureStageState(DWORD stage, D3DTEXTURESTAGESTATETYPE type, DWORD value);
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| 134 |
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| 135 |
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| 136 | D3DTEXTURESTAGESTATETYPE _getFilterCode(FilterType ft) const;
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| 137 | DWORD _getFilter(FilterType ft, FilterOptions fo) const;
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| 138 | DWORD _getCurrentAnisotropy(size_t unit);
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| 139 |
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| 140 | HardwareBufferManager* mHardwareBufferManager;
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| 141 | GpuProgramManager* mGpuProgramManager;
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| 142 |
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| 143 |
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| 144 | unsigned short mCurrentLights;
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| 145 | Matrix4 mViewMatrix;
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| 146 | // saved scene blending factors
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| 147 | SceneBlendFactor mSavedSrcFactor, mSavedDestFactor;
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| 148 |
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| 149 |
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| 150 | public:
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| 151 | // Default constructor / destructor
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| 152 | D3DRenderSystem(HINSTANCE hInstance);
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| 153 | ~D3DRenderSystem();
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| 154 |
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| 155 |
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| 156 |
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| 157 | // ----------------------------------
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| 158 | // Overridden RenderSystem functions
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| 159 | // ----------------------------------
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| 160 | /** See
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| 161 | RenderSystem
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| 162 | */
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| 163 | const String& getName(void) const;
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| 164 | /** See
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| 165 | RenderSystem
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| 166 | */
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| 167 | ConfigOptionMap& getConfigOptions(void);
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| 168 | /** See
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| 169 | RenderSystem
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| 170 | */
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| 171 | void setConfigOption(const String &name, const String &value);
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| 172 | /** See
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| 173 | RenderSystem
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| 174 | */
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| 175 | String validateConfigOptions(void);
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| 176 | /** See
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| 177 | RenderSystem
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| 178 | */
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| 179 | RenderWindow* initialise(bool autoCreateWindow, const String& windowTitle = "OGRE Render Window");
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| 180 | /** See
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| 181 | RenderSystem
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| 182 | */
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| 183 | void reinitialise(void); // Used if settings changed mid-rendering
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| 184 | /** See
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| 185 | RenderSystem
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| 186 | */
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| 187 | void shutdown(void);
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| 188 |
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| 189 | /** See
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| 190 | RenderSystem
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| 191 | */
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| 192 | void setAmbientLight(float r, float g, float b);
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| 193 | /** See
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| 194 | RenderSystem
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| 195 | */
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| 196 | void setShadingType(ShadeOptions so);
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| 197 | /** See
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| 198 | RenderSystem
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| 199 | */
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| 200 | void setLightingEnabled(bool enabled);
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| 201 |
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| 202 | /// @copydoc RenderSystem::createRenderWindow
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| 203 | RenderWindow* createRenderWindow(const String &name, unsigned int width, unsigned int height,
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| 204 | bool fullScreen, const NameValuePairList *miscParams = 0);
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| 205 |
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| 206 | /// @copydoc RenderSystem::createRenderTexture
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| 207 | RenderTexture * createRenderTexture( const String & name, unsigned int width, unsigned int height,
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| 208 | TextureType texType = TEX_TYPE_2D, PixelFormat internalFormat = PF_X8R8G8B8,
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| 209 | const NameValuePairList *miscParams = 0 );
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| 210 |
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| 211 | /** See
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| 212 | RenderSystem
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| 213 | */
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| 214 | void destroyRenderWindow(RenderWindow* pWin);
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| 215 |
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| 216 | /** See
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| 217 | RenderSystem
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| 218 | */
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| 219 | String getErrorDescription(long errorNumber) const;
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| 220 |
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| 221 | /** See
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| 222 | RenderSystem
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| 223 | */
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| 224 | void convertColourValue(const ColourValue& colour, uint32* pDest);
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| 225 |
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| 226 | /// Notify of a device lost
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| 227 | void _notifyDeviceLost(void);
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| 228 | /// Attempt to restore a device
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| 229 | void _restoreLostDevice(void);
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| 230 | /// Restore all surfaces
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| 231 | void _restoreSurfaces(void);
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| 232 | /// Recreate the primary context
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| 233 | void _recreateContext(void);
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| 234 |
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| 235 | // -----------------------------
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| 236 | // Low-level overridden members
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| 237 | // -----------------------------
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| 238 | /** See
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| 239 | RenderSystem
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| 240 | */
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| 241 | void _useLights(const LightList& lights, unsigned short limit);
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| 242 | /** See
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| 243 | RenderSystem
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| 244 | */
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| 245 | void _setWorldMatrix(const Matrix4 &m);
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| 246 | /** See
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| 247 | RenderSystem
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| 248 | */
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| 249 | void _setViewMatrix(const Matrix4 &m);
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| 250 | /** See
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| 251 | RenderSystem
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| 252 | */
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| 253 | void _setProjectionMatrix(const Matrix4 &m);
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| 254 | /** See
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| 255 | RenderSystem
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| 256 | */
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| 257 | void _setSurfaceParams(const ColourValue &ambient,
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| 258 | const ColourValue &diffuse, const ColourValue &specular,
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| 259 | const ColourValue &emissive, Real shininess, TrackVertexColourType tracking);
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| 260 | /** See
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| 261 | RenderSystem
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| 262 | */
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| 263 | void _setTexture(size_t unit, bool enabled, const String &texname);
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| 264 | /** See
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| 265 | RenderSystem
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| 266 | */
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| 267 | void _setTextureBlendMode(size_t unit, const LayerBlendModeEx& bm);
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| 268 | /** See
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| 269 | RenderSystem
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| 270 | */
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| 271 | void _setTextureAddressingMode(size_t unit, TextureUnitState::TextureAddressingMode tam);
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| 272 | /** See
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| 273 | RenderSystem
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| 274 | */
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| 275 | void _setTextureMatrix(size_t unit, const Matrix4& xform);
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| 276 | /** See
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| 277 | RenderSystem
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| 278 | */
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| 279 | void _setTextureCoordSet( size_t unit, size_t index );
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| 280 | /** See
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| 281 | RenderSystem
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| 282 | */
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| 283 | void _setTextureCoordCalculation(size_t unit, TexCoordCalcMethod m,
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| 284 | const Frustum* frustum = 0);
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| 285 | /** See
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| 286 | RenderSystem
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| 287 | */
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| 288 | void _setSceneBlending(SceneBlendFactor sourceFactor, SceneBlendFactor destFactor);
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| 289 | /** See
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| 290 | RenderSystem
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| 291 | */
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| 292 | void _setAlphaRejectSettings(CompareFunction func, unsigned char value);
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| 293 | /** See
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| 294 | RenderSystem
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| 295 | */
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| 296 | void _setViewport(Viewport *vp);
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| 297 | /** See
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| 298 | RenderSystem
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| 299 | */
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| 300 | void _beginFrame(void);
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| 301 | /** See
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| 302 | RenderSystem
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| 303 | */
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| 304 | void _render(const RenderOperation& op);
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| 305 | /** See
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| 306 | RenderSystem
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| 307 | */
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| 308 | void _endFrame(void);
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| 309 | /** See
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| 310 | RenderSystem
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| 311 | */
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| 312 | void _setCullingMode(CullingMode mode);
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| 313 | /** See
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| 314 | RenderSystem
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| 315 | */
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| 316 | void _setDepthBufferParams(bool depthTest = true, bool depthWrite = true, CompareFunction depthFunction = CMPF_LESS_EQUAL);
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| 317 | /** See
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| 318 | RenderSystem
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| 319 | */
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| 320 | void _setDepthBufferCheckEnabled(bool enabled = true);
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| 321 | /** See
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| 322 | RenderSystem
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| 323 | */
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| 324 | void _setDepthBufferWriteEnabled(bool enabled = true);
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| 325 | /** See
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| 326 | RenderSystem
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| 327 | */
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| 328 | void _setDepthBufferFunction(CompareFunction func = CMPF_LESS_EQUAL);
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| 329 | /** See
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| 330 | RenderSystem
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| 331 | */
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| 332 | void _setDepthBias(ushort bias);
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| 333 | /** See RenderSystem
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| 334 | @remarks
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| 335 | Direct3D7 DOES NOT SUPPORT COLOUR WRITE MASKING! This feature is
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| 336 | emulated by using a null scene blend which will only work as long
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| 337 | as setSceneBlend is called before it.
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| 338 | */
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| 339 | void _setColourBufferWriteEnabled(bool red, bool green, bool blue, bool alpha);
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| 340 |
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| 341 | /** See
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| 342 | RenderSystem
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| 343 | */
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| 344 | void _setFog(FogMode mode, const ColourValue& colour, Real density, Real start, Real end);
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| 345 | /** See
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| 346 | RenderSystem
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| 347 | */
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| 348 | void _makeProjectionMatrix(const Radian& fovy, Real aspect, Real nearPlane,
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| 349 | Real farPlane, Matrix4& dest, bool forGpuProgram = false);
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| 350 | /** See
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| 351 | RenderSystem
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| 352 | */
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| 353 | void _makeProjectionMatrix(Real left, Real right, Real bottom, Real top,
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| 354 | Real nearPlane, Real farPlane, Matrix4& dest, bool forGpuProgram = false);
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| 355 | /** See
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| 356 | RenderSystem
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| 357 | */
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| 358 | void _makeOrthoMatrix(const Radian& fovy, Real aspect, Real nearPlane, Real farPlane,
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| 359 | Matrix4& dest, bool forGpuProgram = false);
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| 360 | /** See
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| 361 | RenderSystem
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| 362 | */
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| 363 | void _applyObliqueDepthProjection(Matrix4& matrix, const Plane& plane,
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| 364 | bool forGpuProgram);
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| 365 | /** See
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| 366 | RenderSystem
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| 367 | */
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| 368 | void _setRasterisationMode(SceneDetailLevel level);
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| 369 | /** See
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| 370 | RenderSystem
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| 371 | */
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| 372 | void setStencilCheckEnabled(bool enabled);
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| 373 | /** See
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| 374 | RenderSystem
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| 375 | */
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| 376 | void setStencilBufferParams(CompareFunction func = CMPF_ALWAYS_PASS,
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| 377 | uint32 refValue = 0, uint32 mask = 0xFFFFFFFF,
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| 378 | StencilOperation stencilFailOp = SOP_KEEP,
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| 379 | StencilOperation depthFailOp = SOP_KEEP,
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| 380 | StencilOperation passOp = SOP_KEEP,
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| 381 | bool twoSidedOperation = false);
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| 382 | void _setTextureUnitFiltering(size_t unit, FilterType ftype, FilterOptions filter);
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| 383 | /** See
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| 384 | RenderSystem
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| 385 | */
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| 386 | void _setTextureLayerAnisotropy(size_t unit, unsigned int maxAnisotropy);
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| 387 | /** See
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| 388 | RenderSystem
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| 389 | */
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| 390 | void setVertexDeclaration(VertexDeclaration* decl);
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| 391 | /** See
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| 392 | RenderSystem
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| 393 | */
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| 394 | void setVertexBufferBinding(VertexBufferBinding* binding);
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| 395 | /** See
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| 396 | RenderSystem
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| 397 | */
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| 398 | void setNormaliseNormals(bool normalise);
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| 399 | /** See
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| 400 | RenderSystem
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| 401 | */
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| 402 | void bindGpuProgram(GpuProgram* prg) { /* do nothing */}
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| 403 | /** See
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| 404 | RenderSystem
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| 405 | */
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| 406 | void unbindGpuProgram(GpuProgramType gptype){ /* do nothing */}
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| 407 | /** See
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| 408 | RenderSystem
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| 409 | */
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| 410 | void bindGpuProgramParameters(GpuProgramType gptype, GpuProgramParametersSharedPtr params) { /* do nothing */}
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| 411 | /** See
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| 412 | RenderSystem
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| 413 | */
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| 414 | void setClipPlanes(const PlaneList& clipPlanes);
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| 415 | /** See
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| 416 | RenderSystem
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| 417 | */
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| 418 | void setScissorTest(bool enabled, size_t left = 0, size_t top = 0, size_t right = 800, size_t bottom = 600)
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| 419 | { /* do nothing, d3d7 does not support scissor rect */ }
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| 420 | /** See
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| 421 | RenderSystem
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| 422 | */
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| 423 | void clearFrameBuffer(unsigned int buffers,
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| 424 | const ColourValue& colour = ColourValue::Black,
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| 425 | Real depth = 1.0f, unsigned short stencil = 0);
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| 426 |
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| 427 | void setClipPlane (ushort index, Real A, Real B, Real C, Real D);
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| 428 | void enableClipPlane (ushort index, bool enable);
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| 429 | /** See
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| 430 | RenderSystem
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| 431 | */
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| 432 | HardwareOcclusionQuery* createHardwareOcclusionQuery(void);
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| 433 | Real getHorizontalTexelOffset(void);
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| 434 | Real getVerticalTexelOffset(void);
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| 435 | Real getMinimumDepthInputValue(void);
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| 436 | Real getMaximumDepthInputValue(void);
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| 437 | // ----------------------------------
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| 438 | // End Overridden members
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| 439 | // ----------------------------------
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| 440 | };
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| 441 | }
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| 442 | #endif
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| 443 |
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