| 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://www.ogre3d.org/ |
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| 6 | |
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| 7 | Copyright (c) 2000-2006 Torus Knot Software Ltd |
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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 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | #include "OgreD3D9HLSLProgram.h" |
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| 30 | #include "OgreGpuProgramManager.h" |
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| 31 | #include "OgreStringConverter.h" |
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| 32 | #include "OgreD3D9GpuProgram.h" |
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| 33 | |
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| 34 | namespace Ogre { |
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| 35 | //----------------------------------------------------------------------- |
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| 36 | D3D9HLSLProgram::CmdEntryPoint D3D9HLSLProgram::msCmdEntryPoint; |
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| 37 | D3D9HLSLProgram::CmdTarget D3D9HLSLProgram::msCmdTarget; |
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| 38 | D3D9HLSLProgram::CmdPreprocessorDefines D3D9HLSLProgram::msCmdPreprocessorDefines; |
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| 39 | D3D9HLSLProgram::CmdColumnMajorMatrices D3D9HLSLProgram::msCmdColumnMajorMatrices; |
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| 40 | //----------------------------------------------------------------------- |
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| 41 | //----------------------------------------------------------------------- |
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| 42 | void D3D9HLSLProgram::loadFromSource(void) |
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| 43 | { |
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| 44 | // Populate preprocessor defines |
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| 45 | String stringBuffer; |
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| 46 | |
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| 47 | std::vector<D3DXMACRO> defines; |
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| 48 | const D3DXMACRO* pDefines = 0; |
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| 49 | if (!mPreprocessorDefines.empty()) |
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| 50 | { |
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| 51 | stringBuffer = mPreprocessorDefines; |
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| 52 | |
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| 53 | // Split preprocessor defines and build up macro array |
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| 54 | D3DXMACRO macro; |
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| 55 | String::size_type pos = 0; |
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| 56 | while (pos != String::npos) |
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| 57 | { |
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| 58 | macro.Name = &stringBuffer[pos]; |
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| 59 | macro.Definition = 0; |
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| 60 | |
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| 61 | String::size_type start_pos=pos; |
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| 62 | |
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| 63 | // Find delims |
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| 64 | pos = stringBuffer.find_first_of(";,=", pos); |
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| 65 | |
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| 66 | if(start_pos==pos) |
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| 67 | { |
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| 68 | if(pos==stringBuffer.length()) |
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| 69 | { |
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| 70 | break; |
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| 71 | } |
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| 72 | pos++; |
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| 73 | continue; |
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| 74 | } |
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| 75 | |
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| 76 | if (pos != String::npos) |
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| 77 | { |
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| 78 | // Check definition part |
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| 79 | if (stringBuffer[pos] == '=') |
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| 80 | { |
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| 81 | // Setup null character for macro name |
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| 82 | stringBuffer[pos++] = '\0'; |
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| 83 | macro.Definition = &stringBuffer[pos]; |
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| 84 | pos = stringBuffer.find_first_of(";,", pos); |
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| 85 | } |
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| 86 | else |
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| 87 | { |
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| 88 | // No definition part, define as "1" |
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| 89 | macro.Definition = "1"; |
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| 90 | } |
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| 91 | |
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| 92 | if (pos != String::npos) |
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| 93 | { |
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| 94 | // Setup null character for macro name or definition |
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| 95 | stringBuffer[pos++] = '\0'; |
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| 96 | } |
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| 97 | } |
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| 98 | else |
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| 99 | { |
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| 100 | macro.Definition = "1"; |
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| 101 | } |
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| 102 | if(strlen(macro.Name)>0) |
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| 103 | { |
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| 104 | defines.push_back(macro); |
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| 105 | } |
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| 106 | else |
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| 107 | { |
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| 108 | break; |
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| 109 | } |
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| 110 | } |
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| 111 | |
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| 112 | // Add NULL terminator |
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| 113 | macro.Name = 0; |
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| 114 | macro.Definition = 0; |
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| 115 | defines.push_back(macro); |
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| 116 | |
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| 117 | pDefines = &defines[0]; |
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| 118 | } |
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| 119 | |
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| 120 | // Populate compile flags |
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| 121 | DWORD compileFlags = 0; |
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| 122 | if (mColumnMajorMatrices) |
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| 123 | compileFlags |= D3DXSHADER_PACKMATRIX_COLUMNMAJOR; |
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| 124 | else |
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| 125 | compileFlags |= D3DXSHADER_PACKMATRIX_ROWMAJOR; |
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| 126 | |
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| 127 | LPD3DXBUFFER errors = 0; |
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| 128 | |
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| 129 | // Compile & assemble into microcode |
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| 130 | HRESULT hr = D3DXCompileShader( |
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| 131 | mSource.c_str(), |
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| 132 | static_cast<UINT>(mSource.length()), |
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| 133 | pDefines, |
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| 134 | NULL, //no includes |
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| 135 | mEntryPoint.c_str(), |
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| 136 | mTarget.c_str(), |
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| 137 | compileFlags, |
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| 138 | &mpMicroCode, |
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| 139 | &errors, |
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| 140 | &mpConstTable); |
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| 141 | |
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| 142 | if (FAILED(hr)) |
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| 143 | { |
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| 144 | String message = "Cannot assemble D3D9 high-level shader " + mName + " Errors:\n" + |
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| 145 | static_cast<const char*>(errors->GetBufferPointer()); |
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| 146 | errors->Release(); |
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| 147 | OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, message, |
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| 148 | "D3D9HLSLProgram::loadFromSource"); |
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| 149 | } |
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| 150 | |
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| 151 | |
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| 152 | } |
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| 153 | //----------------------------------------------------------------------- |
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| 154 | void D3D9HLSLProgram::createLowLevelImpl(void) |
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| 155 | { |
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| 156 | // Create a low-level program, give it the same name as us |
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| 157 | mAssemblerProgram = |
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| 158 | GpuProgramManager::getSingleton().createProgramFromString( |
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| 159 | mName, |
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| 160 | mGroup, |
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| 161 | "",// dummy source, since we'll be using microcode |
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| 162 | mType, |
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| 163 | mTarget); |
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| 164 | static_cast<D3D9GpuProgram*>(mAssemblerProgram.get())->setExternalMicrocode(mpMicroCode); |
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| 165 | |
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| 166 | } |
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| 167 | //----------------------------------------------------------------------- |
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| 168 | void D3D9HLSLProgram::unloadHighLevelImpl(void) |
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| 169 | { |
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| 170 | SAFE_RELEASE(mpMicroCode); |
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| 171 | SAFE_RELEASE(mpConstTable); |
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| 172 | |
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| 173 | } |
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| 174 | //----------------------------------------------------------------------- |
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| 175 | void D3D9HLSLProgram::buildConstantDefinitions() const |
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| 176 | { |
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| 177 | // Derive parameter names from const table |
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| 178 | assert(mpConstTable && "Program not loaded!"); |
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| 179 | // Get contents of the constant table |
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| 180 | D3DXCONSTANTTABLE_DESC desc; |
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| 181 | HRESULT hr = mpConstTable->GetDesc(&desc); |
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| 182 | |
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| 183 | mFloatLogicalToPhysical.bufferSize = 0; |
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| 184 | mIntLogicalToPhysical.bufferSize = 0; |
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| 185 | mConstantDefs.floatBufferSize = 0; |
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| 186 | mConstantDefs.intBufferSize = 0; |
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| 187 | |
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| 188 | if (FAILED(hr)) |
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| 189 | { |
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| 190 | OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, |
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| 191 | "Cannot retrieve constant descriptions from HLSL program.", |
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| 192 | "D3D9HLSLProgram::buildParameterNameMap"); |
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| 193 | } |
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| 194 | // Iterate over the constants |
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| 195 | for (unsigned int i = 0; i < desc.Constants; ++i) |
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| 196 | { |
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| 197 | // Recursively descend through the structure levels |
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| 198 | processParamElement(NULL, "", i); |
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| 199 | } |
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| 200 | |
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| 201 | |
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| 202 | } |
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| 203 | //----------------------------------------------------------------------- |
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| 204 | void D3D9HLSLProgram::processParamElement(D3DXHANDLE parent, String prefix, |
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| 205 | unsigned int index) const |
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| 206 | { |
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| 207 | D3DXHANDLE hConstant = mpConstTable->GetConstant(parent, index); |
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| 208 | |
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| 209 | // Since D3D HLSL doesn't deal with naming of array and struct parameters |
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| 210 | // automatically, we have to do it by hand |
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| 211 | |
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| 212 | D3DXCONSTANT_DESC desc; |
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| 213 | unsigned int numParams = 1; |
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| 214 | HRESULT hr = mpConstTable->GetConstantDesc(hConstant, &desc, &numParams); |
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| 215 | if (FAILED(hr)) |
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| 216 | { |
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| 217 | OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, |
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| 218 | "Cannot retrieve constant description from HLSL program.", |
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| 219 | "D3D9HLSLProgram::processParamElement"); |
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| 220 | } |
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| 221 | |
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| 222 | String paramName = desc.Name; |
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| 223 | // trim the odd '$' which appears at the start of the names in HLSL |
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| 224 | if (paramName.at(0) == '$') |
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| 225 | paramName.erase(paramName.begin()); |
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| 226 | |
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| 227 | // Also trim the '[0]' suffix if it exists, we will add our own indexing later |
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| 228 | if (StringUtil::endsWith(paramName, "[0]", false)) |
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| 229 | { |
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| 230 | paramName.erase(paramName.size() - 3); |
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| 231 | } |
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| 232 | |
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| 233 | |
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| 234 | if (desc.Class == D3DXPC_STRUCT) |
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| 235 | { |
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| 236 | // work out a new prefix for nested members, if it's an array, we need an index |
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| 237 | prefix = prefix + paramName + "."; |
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| 238 | // Cascade into struct |
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| 239 | for (unsigned int i = 0; i < desc.StructMembers; ++i) |
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| 240 | { |
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| 241 | processParamElement(hConstant, prefix, i); |
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| 242 | } |
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| 243 | } |
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| 244 | else |
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| 245 | { |
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| 246 | // Process params |
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| 247 | if (desc.Type == D3DXPT_FLOAT || desc.Type == D3DXPT_INT || desc.Type == D3DXPT_BOOL) |
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| 248 | { |
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| 249 | size_t paramIndex = desc.RegisterIndex; |
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| 250 | String name = prefix + paramName; |
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| 251 | |
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| 252 | GpuConstantDefinition def; |
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| 253 | // populate type, array size & element size |
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| 254 | populateDef(desc, def); |
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| 255 | if (def.isFloat()) |
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| 256 | { |
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| 257 | def.physicalIndex = mFloatLogicalToPhysical.bufferSize; |
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| 258 | OGRE_LOCK_MUTEX(mFloatLogicalToPhysical.mutex) |
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| 259 | mFloatLogicalToPhysical.map.insert( |
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| 260 | GpuLogicalIndexUseMap::value_type(paramIndex, |
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| 261 | GpuLogicalIndexUse(def.physicalIndex, def.arraySize * def.elementSize))); |
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| 262 | mFloatLogicalToPhysical.bufferSize += def.arraySize * def.elementSize; |
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| 263 | mConstantDefs.floatBufferSize = mFloatLogicalToPhysical.bufferSize; |
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| 264 | } |
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| 265 | else |
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| 266 | { |
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| 267 | def.physicalIndex = mIntLogicalToPhysical.bufferSize; |
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| 268 | OGRE_LOCK_MUTEX(mIntLogicalToPhysical.mutex) |
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| 269 | mIntLogicalToPhysical.map.insert( |
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| 270 | GpuLogicalIndexUseMap::value_type(paramIndex, |
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| 271 | GpuLogicalIndexUse(def.physicalIndex, def.arraySize * def.elementSize))); |
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| 272 | mIntLogicalToPhysical.bufferSize += def.arraySize * def.elementSize; |
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| 273 | mConstantDefs.intBufferSize = mIntLogicalToPhysical.bufferSize; |
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| 274 | } |
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| 275 | |
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| 276 | mConstantDefs.map.insert(GpuConstantDefinitionMap::value_type(name, def)); |
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| 277 | |
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| 278 | // Now deal with arrays |
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| 279 | mConstantDefs.generateConstantDefinitionArrayEntries(name, def); |
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| 280 | } |
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| 281 | } |
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| 282 | |
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| 283 | } |
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| 284 | //----------------------------------------------------------------------- |
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| 285 | void D3D9HLSLProgram::populateDef(D3DXCONSTANT_DESC& d3dDesc, GpuConstantDefinition& def) const |
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| 286 | { |
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| 287 | def.arraySize = d3dDesc.Elements; |
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| 288 | switch(d3dDesc.Type) |
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| 289 | { |
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| 290 | case D3DXPT_INT: |
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| 291 | switch(d3dDesc.Columns) |
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| 292 | { |
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| 293 | case 1: |
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| 294 | def.constType = GCT_INT1; |
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| 295 | def.elementSize = 4; // HLSL always packs |
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| 296 | break; |
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| 297 | case 2: |
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| 298 | def.constType = GCT_INT2; |
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| 299 | def.elementSize = 4; // HLSL always packs |
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| 300 | break; |
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| 301 | case 3: |
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| 302 | def.constType = GCT_INT3; |
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| 303 | def.elementSize = 4; // HLSL always packs |
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| 304 | break; |
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| 305 | case 4: |
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| 306 | def.constType = GCT_INT4; |
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| 307 | def.elementSize = 4; |
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| 308 | break; |
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| 309 | } // columns |
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| 310 | break; |
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| 311 | case D3DXPT_FLOAT: |
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| 312 | switch(d3dDesc.Rows) |
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| 313 | { |
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| 314 | case 1: |
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| 315 | switch(d3dDesc.Columns) |
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| 316 | { |
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| 317 | case 1: |
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| 318 | def.constType = GCT_FLOAT1; |
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| 319 | def.elementSize = 4; // HLSL always packs |
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| 320 | break; |
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| 321 | case 2: |
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| 322 | def.constType = GCT_FLOAT2; |
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| 323 | def.elementSize = 4; // HLSL always packs |
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| 324 | break; |
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| 325 | case 3: |
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| 326 | def.constType = GCT_FLOAT3; |
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| 327 | def.elementSize = 4; // HLSL always packs |
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| 328 | break; |
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| 329 | case 4: |
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| 330 | def.constType = GCT_FLOAT4; |
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| 331 | def.elementSize = 4; |
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| 332 | break; |
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| 333 | } // columns |
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| 334 | break; |
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| 335 | case 2: |
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| 336 | switch(d3dDesc.Columns) |
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| 337 | { |
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| 338 | case 2: |
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| 339 | def.constType = GCT_MATRIX_2X2; |
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| 340 | def.elementSize = 8; // HLSL always packs |
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| 341 | break; |
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| 342 | case 3: |
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| 343 | def.constType = GCT_MATRIX_2X3; |
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| 344 | def.elementSize = 8; // HLSL always packs |
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| 345 | break; |
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| 346 | case 4: |
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| 347 | def.constType = GCT_MATRIX_2X4; |
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| 348 | def.elementSize = 8; |
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| 349 | break; |
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| 350 | } // columns |
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| 351 | break; |
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| 352 | case 3: |
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| 353 | switch(d3dDesc.Columns) |
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| 354 | { |
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| 355 | case 2: |
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| 356 | def.constType = GCT_MATRIX_3X2; |
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| 357 | def.elementSize = 12; // HLSL always packs |
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| 358 | break; |
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| 359 | case 3: |
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| 360 | def.constType = GCT_MATRIX_3X3; |
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| 361 | def.elementSize = 12; // HLSL always packs |
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| 362 | break; |
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| 363 | case 4: |
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| 364 | def.constType = GCT_MATRIX_3X4; |
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| 365 | def.elementSize = 12; |
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| 366 | break; |
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| 367 | } // columns |
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| 368 | break; |
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| 369 | case 4: |
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| 370 | switch(d3dDesc.Columns) |
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| 371 | { |
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| 372 | case 2: |
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| 373 | def.constType = GCT_MATRIX_4X2; |
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| 374 | def.elementSize = 16; // HLSL always packs |
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| 375 | break; |
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| 376 | case 3: |
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| 377 | def.constType = GCT_MATRIX_4X3; |
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| 378 | def.elementSize = 16; // HLSL always packs |
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| 379 | break; |
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| 380 | case 4: |
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| 381 | def.constType = GCT_MATRIX_4X4; |
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| 382 | def.elementSize = 16; |
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| 383 | break; |
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| 384 | } // columns |
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| 385 | break; |
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| 386 | |
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| 387 | } // rows |
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| 388 | break; |
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| 389 | |
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| 390 | default: |
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| 391 | // not mapping samplers, don't need to take the space |
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| 392 | break; |
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| 393 | }; |
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| 394 | |
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| 395 | } |
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| 396 | //----------------------------------------------------------------------- |
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| 397 | D3D9HLSLProgram::D3D9HLSLProgram(ResourceManager* creator, const String& name, |
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| 398 | ResourceHandle handle, const String& group, bool isManual, |
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| 399 | ManualResourceLoader* loader) |
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| 400 | : HighLevelGpuProgram(creator, name, handle, group, isManual, loader) |
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| 401 | , mTarget() |
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| 402 | , mEntryPoint() |
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| 403 | , mPreprocessorDefines() |
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| 404 | , mColumnMajorMatrices(true) |
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| 405 | , mpMicroCode(NULL), mpConstTable(NULL) |
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| 406 | { |
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| 407 | if (createParamDictionary("D3D9HLSLProgram")) |
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| 408 | { |
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| 409 | setupBaseParamDictionary(); |
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| 410 | ParamDictionary* dict = getParamDictionary(); |
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| 411 | |
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| 412 | dict->addParameter(ParameterDef("entry_point", |
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| 413 | "The entry point for the HLSL program.", |
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| 414 | PT_STRING),&msCmdEntryPoint); |
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| 415 | dict->addParameter(ParameterDef("target", |
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| 416 | "Name of the assembler target to compile down to.", |
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| 417 | PT_STRING),&msCmdTarget); |
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| 418 | dict->addParameter(ParameterDef("preprocessor_defines", |
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| 419 | "Preprocessor defines use to compile the program.", |
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| 420 | PT_STRING),&msCmdPreprocessorDefines); |
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| 421 | dict->addParameter(ParameterDef("column_major_matrices", |
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| 422 | "Whether matrix packing in column-major order.", |
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| 423 | PT_BOOL),&msCmdColumnMajorMatrices); |
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| 424 | } |
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| 425 | |
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| 426 | } |
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| 427 | //----------------------------------------------------------------------- |
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| 428 | D3D9HLSLProgram::~D3D9HLSLProgram() |
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| 429 | { |
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| 430 | // have to call this here reather than in Resource destructor |
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| 431 | // since calling virtual methods in base destructors causes crash |
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| 432 | if (isLoaded()) |
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| 433 | { |
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| 434 | unload(); |
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| 435 | } |
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| 436 | else |
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| 437 | { |
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| 438 | unloadHighLevel(); |
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| 439 | } |
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| 440 | } |
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| 441 | //----------------------------------------------------------------------- |
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| 442 | bool D3D9HLSLProgram::isSupported(void) const |
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| 443 | { |
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| 444 | if (mCompileError || !isRequiredCapabilitiesSupported()) |
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| 445 | return false; |
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| 446 | |
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| 447 | return GpuProgramManager::getSingleton().isSyntaxSupported(mTarget); |
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| 448 | } |
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| 449 | //----------------------------------------------------------------------- |
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| 450 | GpuProgramParametersSharedPtr D3D9HLSLProgram::createParameters(void) |
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| 451 | { |
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| 452 | // Call superclass |
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| 453 | GpuProgramParametersSharedPtr params = HighLevelGpuProgram::createParameters(); |
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| 454 | |
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| 455 | // Need to transpose matrices if compiled with column-major matrices |
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| 456 | params->setTransposeMatrices(mColumnMajorMatrices); |
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| 457 | |
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| 458 | return params; |
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| 459 | } |
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| 460 | //----------------------------------------------------------------------- |
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| 461 | void D3D9HLSLProgram::setTarget(const String& target) |
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| 462 | { |
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| 463 | mTarget = target; |
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| 464 | } |
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| 465 | |
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| 466 | //----------------------------------------------------------------------- |
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| 467 | const String& D3D9HLSLProgram::getLanguage(void) const |
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| 468 | { |
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| 469 | static const String language = "hlsl"; |
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| 470 | |
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| 471 | return language; |
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| 472 | } |
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| 473 | |
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| 474 | //----------------------------------------------------------------------- |
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| 475 | //----------------------------------------------------------------------- |
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| 476 | String D3D9HLSLProgram::CmdEntryPoint::doGet(const void *target) const |
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| 477 | { |
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| 478 | return static_cast<const D3D9HLSLProgram*>(target)->getEntryPoint(); |
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| 479 | } |
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| 480 | void D3D9HLSLProgram::CmdEntryPoint::doSet(void *target, const String& val) |
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| 481 | { |
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| 482 | static_cast<D3D9HLSLProgram*>(target)->setEntryPoint(val); |
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| 483 | } |
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| 484 | //----------------------------------------------------------------------- |
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| 485 | String D3D9HLSLProgram::CmdTarget::doGet(const void *target) const |
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| 486 | { |
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| 487 | return static_cast<const D3D9HLSLProgram*>(target)->getTarget(); |
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| 488 | } |
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| 489 | void D3D9HLSLProgram::CmdTarget::doSet(void *target, const String& val) |
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| 490 | { |
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| 491 | static_cast<D3D9HLSLProgram*>(target)->setTarget(val); |
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| 492 | } |
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| 493 | //----------------------------------------------------------------------- |
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| 494 | String D3D9HLSLProgram::CmdPreprocessorDefines::doGet(const void *target) const |
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| 495 | { |
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| 496 | return static_cast<const D3D9HLSLProgram*>(target)->getPreprocessorDefines(); |
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| 497 | } |
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| 498 | void D3D9HLSLProgram::CmdPreprocessorDefines::doSet(void *target, const String& val) |
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| 499 | { |
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| 500 | static_cast<D3D9HLSLProgram*>(target)->setPreprocessorDefines(val); |
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| 501 | } |
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| 502 | //----------------------------------------------------------------------- |
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| 503 | String D3D9HLSLProgram::CmdColumnMajorMatrices::doGet(const void *target) const |
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| 504 | { |
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| 505 | return StringConverter::toString(static_cast<const D3D9HLSLProgram*>(target)->getColumnMajorMatrices()); |
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| 506 | } |
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| 507 | void D3D9HLSLProgram::CmdColumnMajorMatrices::doSet(void *target, const String& val) |
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| 508 | { |
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| 509 | static_cast<D3D9HLSLProgram*>(target)->setColumnMajorMatrices(StringConverter::parseBool(val)); |
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| 510 | } |
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| 511 | |
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| 512 | } |
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