600 lines
13 KiB
C++
600 lines
13 KiB
C++
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/****************************************************************************
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "stdneb.h"
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#include "ShaderElement.h"
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#include "Utility/ShaderCompilerUtil.h"
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#include "ShaderCompiler.h"
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namespace ShaderProgramCompiler
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{
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__ImplementClass(ShaderBasis,'SHBS',Core::RefCounted);
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ShaderBasis::ShaderBasis()
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{
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}
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ShaderBasis::~ShaderBasis()
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{
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}
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__ImplementClass(ShaderPass,'SHPA', ShaderBasis);
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ShaderPass::ShaderPass()
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: m_bNeedCompileVertex(false),
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m_bNeedCompilePixel(false),
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m_bNeedCompileCompositive(false),
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m_PassType(ShaderJoint::Forward)
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{
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m_CompilerKeyWords.Append("VertexShader");
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m_CompilerKeyWords.Append("PixelShader");
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m_CompilerKeyWords.Append("Template");
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}
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ShaderPass::~ShaderPass()
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{
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}
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bool ShaderPass::Parse()
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{
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bool res = _ParseCompilerStage();
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if (m_CommonShaderSetting.HasEntry(CommonShaderSetting::Template))
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{
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res &= _ParseParameterStage();
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}
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_ParseMacroStage();
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_AnalyzeShaderType();
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return res;
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}
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bool ShaderPass::_ParseCompilerStage()
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{
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for (IndexT i = 0; i < m_CompilerKeyWords.Size(); ++i)
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{
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const Util::String& entryName = m_CompilerKeyWords[i];
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IndexT pos = m_sCompiler.FindStringIndex(entryName);
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if (pos != InvalidIndex)
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{
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IndexT nCR = m_sCompiler.FindCharIndex('\n', pos);
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Util::String sEntry;
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if (nCR != InvalidIndex)
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{
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sEntry = m_sCompiler.ExtractRange(pos, nCR - pos + 1);
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}
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IndexT bEqual = sEntry.FindStringIndex("=");
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if (bEqual != InvalidIndex)
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{
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Util::String shaderEntry = sEntry.ExtractToEnd(bEqual+1);
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Util::Array< Util::String > shaderEntries;
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Util::String entryValue;
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SizeT nCount = ShaderUtil::TokenizeWithoutCRLF(shaderEntry, entryValue);
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if (!nCount)
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{
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SYS_EXCEPT(Exceptions::ShaderException,
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STRING_FORMAT("Shader Entry Name is Empty!\n", ""),
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GET_FUNCTION_NAME()
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);
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}
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else if (nCount > 1)
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{
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SYS_EXCEPT(Exceptions::ShaderException,
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STRING_FORMAT("%s support only one name!\n", entryName.AsCharPtr()),
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GET_FUNCTION_NAME()
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);
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}
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if (entryName == "VertexShader")
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{
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m_CommonShaderSetting.AddEntry(CommonShaderSetting::Vertex, entryValue);
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}
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else if (entryName == "PixelShader")
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{
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m_CommonShaderSetting.AddEntry(CommonShaderSetting::Pixel, entryValue);
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}
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else if (entryName == "Template")
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{
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m_CommonShaderSetting.AddEntry(CommonShaderSetting::Template, entryValue);
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}
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else
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{
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SYS_EXCEPT(Exceptions::ShaderException,
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STRING_FORMAT("Invalid Entry, shader only supports VertexShader, PixelShader or Template\n", ""),
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GET_FUNCTION_NAME()
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);
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return false;
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}
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}
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else
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{
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SYS_EXCEPT(Exceptions::ShaderException,
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STRING_FORMAT(" there must be a '=' after VertexShader, PixelShader or Template! \n", ""),
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GET_FUNCTION_NAME()
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);
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}
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}
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}
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return true;
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}
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bool ShaderPass::_ParseParameterStage()
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{
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static const Util::String paramKeyWord( "#PARAMETER " );
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IndexT pos = m_sCompiler.FindStringIndex(paramKeyWord);
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if (pos != InvalidIndex)
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{
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pos += paramKeyWord.Length();
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IndexT nCR = m_sCompiler.FindCharIndex('\n', pos);
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Util::String sParam = m_sCompiler.ExtractRange(pos, nCR - pos + 1);
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Util::Array< Util::String > params;
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ShaderUtil::TokenizeWithoutCRLF(sParam, params);
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if (params.IsEmpty())
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{
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SYS_EXCEPT(Exceptions::ShaderException,
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STRING_FORMAT("at least, you must supply lighting model parameter! \n", ""),
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GET_FUNCTION_NAME()
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);
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}
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m_ShadingSetting.SetLightingType(params[0]);
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Util::Dictionary<Util::String, Util::String> paramValuePairs;
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for (IndexT i = 1; i < params.Size(); ++i)
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{
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const Util::String& param = params[i];
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IndexT pos = param.FindCharIndex(':');
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if (pos != InvalidIndex)
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{
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Util::Array<Util::String> pair;
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param.Tokenize(":", pair);
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if (pair.Size() < 2)
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{
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SYS_EXCEPT(Exceptions::ShaderException,
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STRING_FORMAT("The value of %s is empty! \n", pair[0].AsCharPtr()),
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GET_FUNCTION_NAME()
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);
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}
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paramValuePairs.Add(pair[0], pair[1]);
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}
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else
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{
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paramValuePairs.Add(param, "None");
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}
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}
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for (IndexT i = 0; i < paramValuePairs.Size(); ++i)
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{
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const Util::String& key = paramValuePairs.KeyAtIndex(i);
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const Util::String& value = paramValuePairs.ValueAtIndex(i);
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if (key == "disable")
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{
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if (value == "castshadow")
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{
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m_ShadingSetting.SetCastShadow(false);
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}
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else if (value == "genshadow")
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{
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m_ShadingSetting.SetGenShadow(false);
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}
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else if (value == "fog")
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{
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m_ShadingSetting.SetEnableFog(false);
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}
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}
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else if (key == "lightmap") // lightmap support
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{
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m_ShadingSetting.SetEnableLightMap(true);
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}
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else if (key == "lightmapDir")
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{
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if (value == "on")
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{
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m_ShadingSetting.SetEnableLightMap(true);
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m_ShadingSetting.SetEnableDirLightMap(true);
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}
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}
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else if (key == "lightmapuv")
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{
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if (value == "firstuv")
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{
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m_ShadingSetting.SetLightMapUsetFirstUV(true);
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}
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}
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else if (key == "vertexlight")
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{
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if (value == "on")
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{
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m_ShadingSetting.SetEnableVertexLight(true);
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}
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}
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else if (key == "alphablend")
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{
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m_ShadingSetting.SetAlphaBlend(true);
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}
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else if (key == "alphatest")
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{
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m_ShadingSetting.SetAlphaTest(true);
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m_ShadingSetting.SetAlphaTestValue(value);
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}
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else
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{
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SYS_EXCEPT(Exceptions::ShaderException,
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STRING_FORMAT("Invalid #PARAMETER value : %s! \n", key.AsCharPtr()),
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GET_FUNCTION_NAME()
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);
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}
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}
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}
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else
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{
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SYS_EXCEPT(Exceptions::ShaderException,
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STRING_FORMAT("Can not find #PARAMETER, maybe there is not a space between #PARAMETER and value \n", ""),
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GET_FUNCTION_NAME()
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);
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}
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return true;
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}
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void ShaderPass::_ParseMacroStage()
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{
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static const Util::String paramKeyWord( "#MACRO " );
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IndexT pos = m_sCompiler.FindStringIndex(paramKeyWord);
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if (pos != InvalidIndex)
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{
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pos += paramKeyWord.Length();
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IndexT nCR = m_sCompiler.FindCharIndex('\n', pos);
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Util::String sParam = m_sCompiler.ExtractRange(pos, nCR - pos + 1);
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ShaderUtil::TokenizeWithoutCRLF(sParam, m_CustomMacros);
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if (m_CustomMacros.IsEmpty())
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{
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SYS_EXCEPT(Exceptions::ShaderException,
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STRING_FORMAT("at least, you must one macro! \n", ""),
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GET_FUNCTION_NAME()
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);
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}
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}
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}
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void ShaderPass::_AnalyzeShaderType()
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{
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bool bRes = true;
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if (!m_CommonShaderSetting.HasEntry())
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{
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SYS_EXCEPT(Exceptions::ShaderException,
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STRING_FORMAT("No VetexShader , PixelShader or Template! \n", ""),
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GET_FUNCTION_NAME()
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);
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bRes = false;
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}
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if (!m_CommonShaderSetting.HasEntry(CommonShaderSetting::Template))
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{
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if (!m_CommonShaderSetting.HasEntry(CommonShaderSetting::Pixel) && !m_CommonShaderSetting.HasEntry(CommonShaderSetting::Vertex))
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{
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SYS_EXCEPT(Exceptions::ShaderException,
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STRING_FORMAT("if there is no Template, shader must define a VertexShader and a PixelShader!\n", ""),
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GET_FUNCTION_NAME()
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);
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bRes = false;
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}
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}
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if (!m_CommonShaderSetting.HasEntry(CommonShaderSetting::Pixel) && !m_CommonShaderSetting.HasEntry(CommonShaderSetting::Template))
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{
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SYS_EXCEPT(Exceptions::ShaderException,
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STRING_FORMAT("Shader must define a PixelShader or Template!\n", ""),
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GET_FUNCTION_NAME()
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);
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bRes = false;
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}
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if (bRes)
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{
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if (m_CommonShaderSetting.HasEntry(CommonShaderSetting::Vertex) && !m_CommonShaderSetting.HasEntry(CommonShaderSetting::Template))
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{
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m_bNeedCompileVertex = true;
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}
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if (m_CommonShaderSetting.HasEntry(CommonShaderSetting::Pixel))
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{
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m_bNeedCompilePixel = true;
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}
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if (m_CommonShaderSetting.HasEntry(CommonShaderSetting::Template))
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{
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m_bNeedCompileCompositive = true;
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}
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}
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}
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void ShaderPass::Compile(GpuProgramCompiler* pCompiler)
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{
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if (m_bNeedCompileVertex && m_bNeedCompilePixel)
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{
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pCompiler->CreateBuiltInMarcro(0, m_CustomMacros, NULL);
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}
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if (m_bNeedCompileVertex)
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{
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m_CommonShaderSetting.SetShaderType(CommonShaderSetting::Vertex);
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pCompiler->Compile(this);
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Util::String result = pCompiler->GetResult();
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m_sResult += "ShaderType \"vs\" {\n" + result + "}\n";
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}
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if (m_bNeedCompilePixel)
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{
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m_CommonShaderSetting.SetShaderType(CommonShaderSetting::Pixel);
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pCompiler->Compile(this);
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Util::String result = pCompiler->GetResult();
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m_sResult += "ShaderType \"ps\" {\n" + result + "}\n";
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Util::String sCustom;
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if (m_CustomMacros.IsEmpty())
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{
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sCustom += "\"\"";
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}
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else
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{
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sCustom += "\"";
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for (IndexT i = 0; i < m_CustomMacros.Size(); ++i)
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|
{
|
||
|
|
sCustom += m_CustomMacros[i] + " ";
|
||
|
|
}
|
||
|
|
sCustom += "\"";
|
||
|
|
}
|
||
|
|
|
||
|
|
m_sResult += "CustomMacro {\n" + sCustom + "}\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
if (m_bNeedCompileCompositive)
|
||
|
|
{
|
||
|
|
ShaderJoint* pJonit = n_new(ShaderJoint);
|
||
|
|
pJonit->Generate(&m_CommonShaderSetting, &m_ShadingSetting, m_sRenderState, m_sSourceCode);
|
||
|
|
|
||
|
|
const Util::Dictionary< ShaderJoint::PassType, ShaderJoint::PassInfo >& passInfos = pJonit->GetPassInfo();
|
||
|
|
const Util::Dictionary< ShaderJoint::PassType, Util::String>& passRenderState = pJonit->GetPassRenderState();
|
||
|
|
|
||
|
|
m_sResult += "\t\n";
|
||
|
|
|
||
|
|
SizeT nCount = passInfos.Size();
|
||
|
|
for (IndexT i = 0; i < nCount; ++i)
|
||
|
|
{
|
||
|
|
const ShaderJoint::PassInfo& info = passInfos.ValueAtIndex(i);
|
||
|
|
const ShaderJoint::PassType& passType = passInfos.KeyAtIndex(i);
|
||
|
|
|
||
|
|
m_PassType = passType;
|
||
|
|
|
||
|
|
SetCode(info.source);
|
||
|
|
|
||
|
|
//Set Entry name of Shader
|
||
|
|
if (!m_CommonShaderSetting.HasEntry(CommonShaderSetting::Vertex))
|
||
|
|
{
|
||
|
|
m_CommonShaderSetting.AddEntry(CommonShaderSetting::Vertex, info.vertEntry);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!m_CommonShaderSetting.HasEntry(CommonShaderSetting::Pixel))
|
||
|
|
{
|
||
|
|
m_CommonShaderSetting.AddEntry(CommonShaderSetting::Pixel, info.pixelEntry);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
m_CommonShaderSetting.SetEntryName(CommonShaderSetting::Pixel, info.pixelEntry);
|
||
|
|
}
|
||
|
|
|
||
|
|
pCompiler->CreateBuiltInMarcro((uint)passType, m_CustomMacros, &m_ShadingSetting);
|
||
|
|
|
||
|
|
//Compile Vertex Shader
|
||
|
|
m_CommonShaderSetting.SetShaderType(CommonShaderSetting::Vertex);
|
||
|
|
pCompiler->Compile(this);
|
||
|
|
|
||
|
|
if (passType != ShaderJoint::Forward)
|
||
|
|
{
|
||
|
|
m_sResult += passRenderState[passType];
|
||
|
|
}
|
||
|
|
|
||
|
|
Util::String vsResult = pCompiler->GetResult();
|
||
|
|
|
||
|
|
m_sResult += "ShaderType \"vs\" {\n" + vsResult + "}\n";
|
||
|
|
|
||
|
|
//Compile Pixel Shader
|
||
|
|
|
||
|
|
m_CommonShaderSetting.SetShaderType(CommonShaderSetting::Pixel);
|
||
|
|
pCompiler->Compile(this);
|
||
|
|
|
||
|
|
Util::String psResult = pCompiler->GetResult();
|
||
|
|
|
||
|
|
m_sResult += "ShaderType \"ps\" {\n" + psResult + "}\n";
|
||
|
|
|
||
|
|
m_sResult += "BuiltInMacro {\n" + pCompiler->GetBuiltInMacroName(i) + "}\n";
|
||
|
|
|
||
|
|
Util::String sCustom;
|
||
|
|
|
||
|
|
if (passType == ShaderJoint::Forward)
|
||
|
|
{
|
||
|
|
|
||
|
|
if (m_CustomMacros.IsEmpty())
|
||
|
|
{
|
||
|
|
sCustom += "\"\"";
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
sCustom += "\"";
|
||
|
|
for (IndexT i = 0; i < m_CustomMacros.Size(); ++i)
|
||
|
|
{
|
||
|
|
sCustom += m_CustomMacros[i] + " ";
|
||
|
|
}
|
||
|
|
sCustom += "\"";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
sCustom += "\"\"";
|
||
|
|
}
|
||
|
|
|
||
|
|
m_sResult += "CustomMacro {\n" + sCustom + "}\n";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
__ImplementClass(ShaderTechnique,'SHTQ', ShaderBasis);
|
||
|
|
|
||
|
|
ShaderTechnique::ShaderTechnique()
|
||
|
|
{
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
ShaderTechnique::~ShaderTechnique()
|
||
|
|
{
|
||
|
|
m_AllShaderPass.Clear();
|
||
|
|
}
|
||
|
|
|
||
|
|
void ShaderTechnique::Finish()
|
||
|
|
{
|
||
|
|
IndexT res = m_sRawSegment.FindStringIndex("#CODE");
|
||
|
|
|
||
|
|
if (res != InvalidIndex)
|
||
|
|
{
|
||
|
|
m_sProcessed = m_sRawSegment.InsertRange(res, m_AllShaderPass[0]->GetResult());
|
||
|
|
m_sProcessed.SubstituteString("#CODE", "");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
__ImplementClass(ShaderElement,'SHET',Core::RefCounted);
|
||
|
|
|
||
|
|
ShaderElement::ShaderElement()
|
||
|
|
{
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
ShaderElement::~ShaderElement()
|
||
|
|
{
|
||
|
|
m_AllTechs.Clear();
|
||
|
|
}
|
||
|
|
|
||
|
|
void ShaderElement::Compile(GpuProgramCompiler* pCompiler)
|
||
|
|
{
|
||
|
|
IndexT nTech = m_AllTechs.Size();
|
||
|
|
|
||
|
|
for (IndexT i = 0; i < nTech; ++i)
|
||
|
|
{
|
||
|
|
const Util::Array< GPtr<ShaderPass> >& allPass = m_AllTechs[i]->GetAllShaderPass();
|
||
|
|
|
||
|
|
SizeT nPass = allPass.Size();
|
||
|
|
|
||
|
|
for (IndexT j = 0; j < nPass; ++j)
|
||
|
|
{
|
||
|
|
allPass[j]->Compile(pCompiler);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void ShaderElement::Parse()
|
||
|
|
{
|
||
|
|
SizeT nTech = m_AllTechs.Size();
|
||
|
|
|
||
|
|
for (IndexT i = 0; i < nTech; ++i)
|
||
|
|
{
|
||
|
|
const Util::Array< GPtr<ShaderPass> >& allPass = m_AllTechs[i]->GetAllShaderPass();
|
||
|
|
|
||
|
|
IndexT nPass = allPass.Size();
|
||
|
|
|
||
|
|
for (IndexT j = 0; j < nPass; ++j)
|
||
|
|
{
|
||
|
|
allPass[j]->Parse();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void ShaderElement::Finish()
|
||
|
|
{
|
||
|
|
SizeT nTech = m_AllTechs.Size();
|
||
|
|
|
||
|
|
for (IndexT i = 0; i < nTech; ++i)
|
||
|
|
{
|
||
|
|
m_AllTechs[i]->Finish();
|
||
|
|
|
||
|
|
m_sOutput += m_AllTechs[i]->GetProcessedTechSegment();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Util::String ShaderElement::GetResult() const
|
||
|
|
{
|
||
|
|
return m_sOutput;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|