502 lines
15 KiB
C++
502 lines
15 KiB
C++
/********************************************************************************
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Copyright (C) 2012 Hugh Bailey <obs.jim@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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********************************************************************************/
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#include "Main.h"
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void D3D10Shader::LoadDefaults()
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{
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for(UINT i=0; i<Params.Num(); i++)
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{
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ShaderParam ¶m = Params[i];
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if(param.defaultValue.Num())
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{
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param.bChanged = TRUE;
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param.curValue.CopyList(param.defaultValue);
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}
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}
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}
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bool D3D10Shader::ProcessData(ShaderProcessor &processor, CTSTR lpFileName)
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{
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Params.TransferFrom(processor.Params);
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Samplers.TransferFrom(processor.Samplers);
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constantSize = 0;
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for(UINT i=0; i<Params.Num(); i++)
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{
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ShaderParam ¶m = Params[i];
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switch(param.type)
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{
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case Parameter_Bool:
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case Parameter_Float:
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case Parameter_Int: constantSize += sizeof(float); break;
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case Parameter_Vector2: constantSize += sizeof(float)*2; break;
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case Parameter_Vector: constantSize += sizeof(float)*3; break;
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case Parameter_Vector4: constantSize += sizeof(float)*4; break;
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case Parameter_Matrix3x3: constantSize += sizeof(float)*3*3; break;
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case Parameter_Matrix: constantSize += sizeof(float)*4*4; break;
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}
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}
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if(constantSize)
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{
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D3D10_BUFFER_DESC bd;
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zero(&bd, sizeof(bd));
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bd.ByteWidth = (constantSize+15)&0xFFFFFFF0; //align to 128bit boundry
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bd.Usage = D3D10_USAGE_DYNAMIC;
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bd.BindFlags = D3D10_BIND_CONSTANT_BUFFER;
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bd.CPUAccessFlags = D3D10_CPU_ACCESS_WRITE;
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HRESULT err = GetD3D()->CreateBuffer(&bd, NULL, &constantBuffer);
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if(FAILED(err))
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{
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AppWarning(TEXT("Unable to create constant buffer for shdaer '%s', result = %08lX"), lpFileName, err);
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return false;
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}
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}
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LoadDefaults();
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return true;
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}
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Shader* D3D10VertexShader::CreateVertexShader(CTSTR lpShader, CTSTR lpFileName)
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{
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String errorString;
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ShaderProcessor shaderProcessor;
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if(!shaderProcessor.ProcessShader(lpShader, lpFileName))
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AppWarning(TEXT("Unable to process vertex shader '%s'"), lpFileName); //don't exit, leave it to the actual shader compiler to tell the errors
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//-----------------------------------------------
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D3D10System *d3d10Sys = static_cast<D3D10System*>(GS);
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LPCSTR lpVSType = d3d10Sys->bDisableCompatibilityMode ? "vs_4_0" : "vs_4_0_level_9_3";
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String cacheFilename = FormattedString(TEXT("%s/shaderCache/%s.blob"), OBSGetAppDataPath(), lpFileName).FindReplace(TEXT("\\"), TEXT("/"));
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List<BYTE> shaderBuffer;
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LPVOID shaderData;
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SIZE_T shaderDataSize;
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ID3D10Blob *errorMessages = NULL, *shaderBlob = NULL;
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HRESULT err;
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if(!OSFileExists(cacheFilename) || OSGetFileModificationTime(lpFileName) > OSGetFileModificationTime(cacheFilename))
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{
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LPSTR lpAnsiShader = tstr_createUTF8(lpShader);
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LPSTR lpAnsiFileName = tstr_createUTF8(lpFileName);
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err = D3DX10CompileFromMemory(lpAnsiShader, strlen(lpAnsiShader), lpAnsiFileName, NULL, NULL, "main", lpVSType, D3D10_SHADER_OPTIMIZATION_LEVEL3, 0, NULL, &shaderBlob, &errorMessages, NULL);
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Free(lpAnsiFileName);
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Free(lpAnsiShader);
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if(FAILED(err))
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{
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if(errorMessages)
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{
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if(errorMessages->GetBufferSize())
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{
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LPSTR lpErrors = (LPSTR)errorMessages->GetBufferPointer();
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Log(TEXT("Error compiling vertex shader '%s':\r\n\r\n%S\r\n"), lpFileName, lpErrors);
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}
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errorMessages->Release();
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}
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CrashError(TEXT("Compilation of vertex shader '%s' failed, result = %08lX"), lpFileName, err);
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return NULL;
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}
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shaderData = shaderBlob->GetBufferPointer();
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shaderDataSize = shaderBlob->GetBufferSize();
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CreatePath(GetPathDirectory(cacheFilename));
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XFile cacheFile(cacheFilename, XFILE_WRITE, XFILE_CREATEALWAYS);
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cacheFile.Write(shaderData, (DWORD)shaderDataSize);
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}
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else
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{
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XFile cacheFile(cacheFilename, XFILE_READ | XFILE_SHARED, XFILE_OPENEXISTING);
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shaderBuffer.SetSize((unsigned)cacheFile.GetFileSize());
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cacheFile.Read(shaderBuffer.Array(), shaderBuffer.Num());
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shaderData = shaderBuffer.Array();
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shaderDataSize = shaderBuffer.Num();
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}
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//-----------------------------------------------
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ID3D10VertexShader *vShader;
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ID3D10InputLayout *vShaderLayout;
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err = GetD3D()->CreateVertexShader(shaderData, shaderDataSize, &vShader);
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if(FAILED(err))
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{
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CrashError(TEXT("Unable to create vertex shader '%s', result = %08lX"), lpFileName, err);
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SafeRelease(shaderBlob);
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return NULL;
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}
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err = GetD3D()->CreateInputLayout(shaderProcessor.generatedLayout.Array(), shaderProcessor.generatedLayout.Num(), shaderData, shaderDataSize, &vShaderLayout);
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if(FAILED(err))
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{
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CrashError(TEXT("Unable to create vertex layout for vertex shader '%s', result = %08lX"), lpFileName, err);
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SafeRelease(shaderBlob);
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SafeRelease(vShader);
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return NULL;
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}
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SafeRelease(shaderBlob);
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//-----------------------------------------------
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D3D10VertexShader *shader = new D3D10VertexShader;
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shader->vertexShader = vShader;
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shader->inputLayout = vShaderLayout;
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if(!shader->ProcessData(shaderProcessor, lpFileName))
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{
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delete shader;
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return NULL;
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}
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shader->bHasNormals = shaderProcessor.bHasNormals;
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shader->bHasColors = shaderProcessor.bHasColors;
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shader->bHasTangents = shaderProcessor.bHasTangents;
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shader->nTextureCoords = shaderProcessor.numTextureCoords;
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shader->hViewProj = shader->GetParameterByName(TEXT("ViewProj"));
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return shader;
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}
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Shader* D3D10PixelShader::CreatePixelShader(CTSTR lpShader, CTSTR lpFileName)
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{
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String errorString;
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ShaderProcessor shaderProcessor;
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if(!shaderProcessor.ProcessShader(lpShader, lpFileName))
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AppWarning(TEXT("Unable to process pixel shader '%s'"), lpFileName); //don't exit, leave it to the actual shader compiler to tell the errors
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//-----------------------------------------------
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D3D10System *d3d10Sys = static_cast<D3D10System*>(GS);
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LPCSTR lpPSType = d3d10Sys->bDisableCompatibilityMode ? "ps_4_0" : "ps_4_0_level_9_3";
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String cacheFilename = FormattedString(TEXT("%s/shaderCache/%s.blob"), OBSGetAppDataPath(), lpFileName).FindReplace(TEXT("\\"), TEXT("/"));
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List<BYTE> shaderBuffer;
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LPVOID shaderData;
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SIZE_T shaderDataSize;
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ID3D10Blob *errorMessages = NULL, *shaderBlob = NULL;
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HRESULT err;
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if(!OSFileExists(cacheFilename) || OSGetFileModificationTime(lpFileName) > OSGetFileModificationTime(cacheFilename))
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{
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LPSTR lpAnsiShader = tstr_createUTF8(lpShader);
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LPSTR lpAnsiFileName = tstr_createUTF8(lpFileName);
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err = D3DX10CompileFromMemory(lpAnsiShader, strlen(lpAnsiShader), lpAnsiFileName, NULL, NULL, "main", lpPSType, D3D10_SHADER_OPTIMIZATION_LEVEL3, 0, NULL, &shaderBlob, &errorMessages, NULL);
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Free(lpAnsiFileName);
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Free(lpAnsiShader);
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if(FAILED(err))
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{
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if(errorMessages)
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{
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if(errorMessages->GetBufferSize())
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{
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LPSTR lpErrors = (LPSTR)errorMessages->GetBufferPointer();
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Log(TEXT("Error compiling pixel shader '%s':\r\n\r\n%S\r\n"), lpFileName, lpErrors);
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}
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errorMessages->Release();
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}
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CrashError(TEXT("Compilation of pixel shader '%s' failed, result = %08lX"), lpFileName, err);
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return NULL;
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}
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shaderData = shaderBlob->GetBufferPointer();
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shaderDataSize = shaderBlob->GetBufferSize();
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CreatePath(GetPathDirectory(cacheFilename));
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XFile cacheFile(cacheFilename, XFILE_WRITE, XFILE_CREATEALWAYS);
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cacheFile.Write(shaderData, (DWORD)shaderDataSize);
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}
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else
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{
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XFile cacheFile(cacheFilename, XFILE_READ | XFILE_SHARED, XFILE_OPENEXISTING);
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shaderBuffer.SetSize((unsigned)cacheFile.GetFileSize());
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cacheFile.Read(shaderBuffer.Array(), shaderBuffer.Num());
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shaderData = shaderBuffer.Array();
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shaderDataSize = shaderBuffer.Num();
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}
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//-----------------------------------------------
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ID3D10PixelShader *pShader;
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err = GetD3D()->CreatePixelShader(shaderData, shaderDataSize, &pShader);
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if(FAILED(err))
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{
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CrashError(TEXT("Unable to create pixel shader '%s', result = %08lX"), lpFileName, err);
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SafeRelease(shaderBlob);
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return NULL;
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}
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SafeRelease(shaderBlob);
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//-----------------------------------------------
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D3D10PixelShader *shader = new D3D10PixelShader;
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shader->pixelShader = pShader;
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if(!shader->ProcessData(shaderProcessor, lpFileName))
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{
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delete shader;
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return NULL;
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}
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return shader;
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}
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D3D10Shader::~D3D10Shader()
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{
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for(UINT i=0; i<Samplers.Num(); i++)
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Samplers[i].FreeData();
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for(UINT i=0; i<Params.Num(); i++)
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Params[i].FreeData();
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SafeRelease(constantBuffer);
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}
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D3D10VertexShader::~D3D10VertexShader()
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{
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SafeRelease(vertexShader);
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SafeRelease(inputLayout);
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}
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D3D10PixelShader::~D3D10PixelShader()
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{
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SafeRelease(pixelShader);
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}
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int D3D10Shader::NumParams() const
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{
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return Params.Num();
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}
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HANDLE D3D10Shader::GetParameter(UINT parameter) const
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{
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if(parameter >= Params.Num())
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return NULL;
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return (HANDLE)(Params+parameter);
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}
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HANDLE D3D10Shader::GetParameterByName(CTSTR lpName) const
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{
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for(UINT i=0; i<Params.Num(); i++)
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{
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ShaderParam ¶m = Params[i];
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if(param.name == lpName)
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return (HANDLE)¶m;
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}
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return NULL;
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}
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/*#define GetValidHandle() \
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ShaderParam *param = (ShaderParam*)hObject; \
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if(!hObject) \
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{ \
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AppWarning(TEXT("Invalid handle input as shader parameter")); \
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return; \
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}*/
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#define GetValidHandle() \
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ShaderParam *param = (ShaderParam*)hObject; \
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if(!hObject) \
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return;
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void D3D10Shader::GetParameterInfo(HANDLE hObject, ShaderParameterInfo ¶mInfo) const
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{
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GetValidHandle();
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paramInfo.type = param->type;
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paramInfo.name = param->name;
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}
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void D3D10Shader::SetBool(HANDLE hObject, BOOL bValue)
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{
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GetValidHandle();
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BOOL bSizeChanged = param->curValue.SetSize(sizeof(BOOL));
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BOOL &curVal = *(BOOL*)param->curValue.Array();
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if(bSizeChanged || curVal != bValue)
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{
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curVal = bValue;
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param->bChanged = TRUE;
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}
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}
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void D3D10Shader::SetFloat(HANDLE hObject, float fValue)
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{
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GetValidHandle();
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BOOL bSizeChanged = param->curValue.SetSize(sizeof(float));
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float &curVal = *(float*)param->curValue.Array();
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if(bSizeChanged || curVal != fValue)
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{
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curVal = fValue;
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param->bChanged = TRUE;
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}
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}
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void D3D10Shader::SetInt(HANDLE hObject, int iValue)
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{
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GetValidHandle();
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BOOL bSizeChanged = param->curValue.SetSize(sizeof(int));
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int &curVal = *(int*)param->curValue.Array();
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if(bSizeChanged || curVal != iValue)
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{
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curVal = iValue;
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param->bChanged = TRUE;
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}
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}
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void D3D10Shader::SetMatrix(HANDLE hObject, float *matrix)
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{
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SetValue(hObject, matrix, sizeof(float)*4*4);
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}
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void D3D10Shader::SetVector(HANDLE hObject, const Vect &value)
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{
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SetValue(hObject, value.ptr, sizeof(float)*3);
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}
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void D3D10Shader::SetVector2(HANDLE hObject, const Vect2 &value)
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{
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SetValue(hObject, value.ptr, sizeof(Vect2));
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}
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void D3D10Shader::SetVector4(HANDLE hObject, const Vect4 &value)
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{
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SetValue(hObject, value.ptr, sizeof(Vect4));
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}
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void D3D10Shader::SetTexture(HANDLE hObject, BaseTexture *texture)
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{
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GetValidHandle();
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BOOL bSizeChanged = param->curValue.SetSize(sizeof(const BaseTexture*));
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const BaseTexture *&curVal = *(const BaseTexture**)param->curValue.Array();
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if(bSizeChanged || curVal != texture)
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{
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curVal = texture;
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param->bChanged = TRUE;
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}
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}
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void D3D10Shader::SetValue(HANDLE hObject, const void *val, DWORD dwSize)
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{
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GetValidHandle();
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BOOL bSizeChanged = param->curValue.SetSize(dwSize);
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if(bSizeChanged || !mcmp(param->curValue.Array(), val, dwSize))
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{
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mcpy(param->curValue.Array(), val, dwSize);
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param->bChanged = TRUE;
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}
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}
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void D3D10Shader::UpdateParams()
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{
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List<BYTE> shaderConstantData;
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bool bUpload = false;
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for(UINT i=0; i<Params.Num(); i++)
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{
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ShaderParam ¶m = Params[i];
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if(param.type != Parameter_Texture)
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{
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if(!param.curValue.Num())
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{
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AppWarning(TEXT("D3D10Shader::UpdateParams: shader parameter '%s' not set"), param.name.Array());
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bUpload = false;
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break;
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}
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shaderConstantData.AppendList(param.curValue);
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if(param.bChanged)
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{
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bUpload = true;
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param.bChanged = false;
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}
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}
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else
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{
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if(param.curValue.Num())
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{
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Texture *texture = *(Texture**)param.curValue.Array();
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LoadTexture(texture, param.textureID);
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}
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}
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}
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if(shaderConstantData.Num() != constantSize)
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{
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AppWarning(TEXT("D3D10Shader::UpdateParams: invalid parameter specifications, constant size given: %d, constant size expected: %d"), shaderConstantData.Num(), constantSize);
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bUpload = false;
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}
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if(bUpload)
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{
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BYTE *outData;
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HRESULT err;
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if(FAILED(err = constantBuffer->Map(D3D10_MAP_WRITE_DISCARD, 0, (void**)&outData)))
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{
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AppWarning(TEXT("D3D10Shader::UpdateParams: could not map constant buffer, result = %08lX"), err);
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return;
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}
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mcpy(outData, shaderConstantData.Array(), shaderConstantData.Num());
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constantBuffer->Unmap();
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}
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}
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