mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 04:34:48 +00:00
499 lines
14 KiB
C++
499 lines
14 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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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
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell 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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//
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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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//
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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
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#include "platform/platform.h"
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#include "shaderGen/GLSL/shaderCompGLSL.h"
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#include "shaderGen/shaderComp.h"
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#include "shaderGen/langElement.h"
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#include "gfx/gfxDevice.h"
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#include "gfx/gl/gfxGLVertexAttribLocation.h"
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Var * AppVertConnectorGLSL::getElement( RegisterType type,
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U32 numElements,
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U32 numRegisters )
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{
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switch( type )
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{
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case RT_POSITION:
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{
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Var *newVar = new Var;
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mElementList.push_back( newVar );
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newVar->setConnectName( "vPosition" );
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return newVar;
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}
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case RT_NORMAL:
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{
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Var *newVar = new Var;
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mElementList.push_back( newVar );
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newVar->setConnectName( "vNormal" );
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return newVar;
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}
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case RT_BINORMAL:
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{
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Var *newVar = new Var;
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mElementList.push_back( newVar );
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newVar->setConnectName( "vBinormal" );
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return newVar;
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}
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case RT_COLOR:
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{
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Var *newVar = new Var;
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mElementList.push_back( newVar );
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newVar->setConnectName( "vColor" );
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return newVar;
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}
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case RT_TANGENT:
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{
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Var *newVar = new Var;
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mElementList.push_back( newVar );
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newVar->setConnectName( "vTangent" );
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return newVar;
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}
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case RT_TANGENTW:
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{
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Var *newVar = new Var;
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mElementList.push_back( newVar );
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newVar->setConnectName( "vTangentW" );
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return newVar;
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}
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case RT_TEXCOORD:
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{
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Var *newVar = new Var;
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mElementList.push_back( newVar );
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char out[32];
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dSprintf( (char*)out, sizeof(out), "vTexCoord%d", mCurTexElem );
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newVar->setConnectName( out );
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newVar->constNum = mCurTexElem;
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newVar->arraySize = numElements;
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if ( numRegisters != -1 )
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mCurTexElem += numRegisters;
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else
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mCurTexElem += numElements;
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return newVar;
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}
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case RT_BLENDINDICES:
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{
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Var *newVar = new Var;
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newVar->constNum = mCurBlendIndicesElem;
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mElementList.push_back(newVar);
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char out[32];
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const U32 blendIndicesOffset = Torque::GL_VertexAttrib_BlendIndex0 - Torque::GL_VertexAttrib_TexCoord0;
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dSprintf((char*)out, sizeof(out), "vTexCoord%d", blendIndicesOffset + mCurBlendIndicesElem);
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mCurBlendIndicesElem += 1;
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newVar->setConnectName(out);
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return newVar;
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}
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case RT_BLENDWEIGHT:
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{
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Var *newVar = new Var;
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newVar->constNum = mCurBlendWeightsElem;
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mElementList.push_back(newVar);
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char out[32];
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const U32 blendWeightsOffset = Torque::GL_VertexAttrib_BlendWeight0 - Torque::GL_VertexAttrib_TexCoord0;
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dSprintf((char*)out, sizeof(out), "vTexCoord%d", blendWeightsOffset + mCurBlendWeightsElem);
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mCurBlendWeightsElem += 1;
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newVar->setConnectName(out);
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return newVar;
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}
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default:
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break;
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}
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return NULL;
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}
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void AppVertConnectorGLSL::sortVars()
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{
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// Not required in GLSL
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}
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void AppVertConnectorGLSL::setName( char *newName )
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{
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dStrcpy( (char*)mName, newName, 32 );
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}
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void AppVertConnectorGLSL::reset()
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{
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for( U32 i=0; i<mElementList.size(); i++ )
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{
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mElementList[i] = NULL;
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}
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mElementList.setSize( 0 );
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mCurTexElem = 0;
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}
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void AppVertConnectorGLSL::print( Stream &stream, bool isVertexShader )
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{
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if(!isVertexShader)
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return;
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U8 output[256];
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// print struct
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dSprintf( (char*)output, sizeof(output), "struct VertexData\r\n" );
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stream.write( dStrlen((char*)output), output );
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dSprintf( (char*)output, sizeof(output), "{\r\n" );
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stream.write( dStrlen((char*)output), output );
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for( U32 i=0; i<mElementList.size(); i++ )
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{
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Var *var = mElementList[i];
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if( var->arraySize == 1)
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{
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dSprintf( (char*)output, sizeof(output), " %s %s;\r\n", var->type, (char*)var->name );
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stream.write( dStrlen((char*)output), output );
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}
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else
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{
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dSprintf( (char*)output, sizeof(output), " %s %s[%d];\r\n", var->type, (char*)var->name, var->arraySize );
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stream.write( dStrlen((char*)output), output );
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}
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}
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dSprintf( (char*)output, sizeof(output), "} IN;\r\n\r\n" );
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stream.write( dStrlen((char*)output), output );
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// print in elements
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for( U32 i=0; i<mElementList.size(); i++ )
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{
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Var *var = mElementList[i];
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for(int j = 0; j < var->arraySize; ++j)
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{
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const char *name = j == 0 ? var->connectName : avar("vTexCoord%d", var->constNum + j) ;
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dSprintf( (char*)output, sizeof(output), "in %s %s;\r\n", var->type, name );
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stream.write( dStrlen((char*)output), output );
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}
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dSprintf( (char*)output, sizeof(output), "#define IN_%s IN.%s\r\n", var->name, var->name ); // TODO REMOVE
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stream.write( dStrlen((char*)output), output );
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}
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const char* newLine ="\r\n";
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stream.write( dStrlen((char*)newLine), newLine );
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}
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Var * VertPixelConnectorGLSL::getElement( RegisterType type,
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U32 numElements,
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U32 numRegisters )
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{
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switch( type )
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{
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case RT_POSITION:
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{
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Var *newVar = new Var;
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mElementList.push_back( newVar );
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newVar->setConnectName( "POSITION" );
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return newVar;
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}
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case RT_NORMAL:
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{
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Var *newVar = new Var;
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mElementList.push_back( newVar );
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newVar->setConnectName( "NORMAL" );
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return newVar;
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}
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case RT_COLOR:
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{
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Var *newVar = new Var;
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mElementList.push_back( newVar );
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newVar->setConnectName( "COLOR" );
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return newVar;
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}
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/*case RT_BINORMAL:
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{
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Var *newVar = new Var;
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mElementList.push_back( newVar );
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newVar->setConnectName( "BINORMAL" );
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return newVar;
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}
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case RT_TANGENT:
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{
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Var *newVar = new Var;
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mElementList.push_back( newVar );
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newVar->setConnectName( "TANGENT" );
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return newVar;
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} */
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case RT_TEXCOORD:
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case RT_BINORMAL:
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case RT_TANGENT:
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{
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Var *newVar = new Var;
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newVar->arraySize = numElements;
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char out[32];
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dSprintf( (char*)out, sizeof(out), "TEXCOORD%d", mCurTexElem );
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newVar->setConnectName( out );
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if ( numRegisters != -1 )
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mCurTexElem += numRegisters;
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else
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mCurTexElem += numElements;
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mElementList.push_back( newVar );
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return newVar;
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}
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default:
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break;
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}
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return NULL;
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}
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void VertPixelConnectorGLSL::sortVars()
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{
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// Not needed in GLSL
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}
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void VertPixelConnectorGLSL::setName( char *newName )
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{
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dStrcpy( (char*)mName, newName, 32 );
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}
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void VertPixelConnectorGLSL::reset()
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{
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for( U32 i=0; i<mElementList.size(); i++ )
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{
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mElementList[i] = NULL;
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}
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mElementList.setSize( 0 );
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mCurTexElem = 0;
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}
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void VertPixelConnectorGLSL::print( Stream &stream, bool isVerterShader )
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{
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// print out elements
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for( U32 i=0; i<mElementList.size(); i++ )
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{
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U8 output[256];
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Var *var = mElementList[i];
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if(!dStrcmp((const char*)var->name, "gl_Position"))
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continue;
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if(var->arraySize <= 1)
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dSprintf((char*)output, sizeof(output), "%s %s _%s_;\r\n", (isVerterShader ? "out" : "in"), var->type, var->connectName);
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else
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dSprintf((char*)output, sizeof(output), "%s %s _%s_[%d];\r\n", (isVerterShader ? "out" : "in"),var->type, var->connectName, var->arraySize);
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stream.write( dStrlen((char*)output), output );
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}
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printStructDefines(stream, !isVerterShader);
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}
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void VertPixelConnectorGLSL::printOnMain( Stream &stream, bool isVerterShader )
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{
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if(isVerterShader)
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return;
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const char *newLine = "\r\n";
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const char *header = " //-------------------------\r\n";
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stream.write( dStrlen((char*)newLine), newLine );
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stream.write( dStrlen((char*)header), header );
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// print out elements
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for( U32 i=0; i<mElementList.size(); i++ )
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{
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U8 output[256];
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Var *var = mElementList[i];
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if(!dStrcmp((const char*)var->name, "gl_Position"))
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continue;
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dSprintf((char*)output, sizeof(output), " %s IN_%s = _%s_;\r\n", var->type, var->name, var->connectName);
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stream.write( dStrlen((char*)output), output );
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}
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stream.write( dStrlen((char*)header), header );
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stream.write( dStrlen((char*)newLine), newLine );
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}
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void AppVertConnectorGLSL::printOnMain( Stream &stream, bool isVerterShader )
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{
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if(!isVerterShader)
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return;
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const char *newLine = "\r\n";
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const char *header = " //-------------------------\r\n";
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stream.write( dStrlen((char*)newLine), newLine );
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stream.write( dStrlen((char*)header), header );
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// print out elements
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for( U32 i=0; i<mElementList.size(); i++ )
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{
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Var *var = mElementList[i];
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U8 output[256];
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if(var->arraySize <= 1)
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{
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dSprintf((char*)output, sizeof(output), " IN.%s = %s;\r\n", var->name, var->connectName);
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stream.write( dStrlen((char*)output), output );
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}
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else
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{
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for(int j = 0; j < var->arraySize; ++j)
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{
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const char *name = j == 0 ? var->connectName : avar("vTexCoord%d", var->constNum + j) ;
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dSprintf((char*)output, sizeof(output), " IN.%s[%d] = %s;\r\n", var->name, j, name );
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stream.write( dStrlen((char*)output), output );
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}
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}
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}
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stream.write( dStrlen((char*)header), header );
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stream.write( dStrlen((char*)newLine), newLine );
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}
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Vector<String> initDeprecadedDefines()
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{
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Vector<String> vec;
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vec.push_back( "isBack");
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return vec;
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}
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void VertPixelConnectorGLSL::printStructDefines( Stream &stream, bool in )
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{
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const char* connectionDir = in ? "IN" : "OUT";
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static Vector<String> deprecatedDefines = initDeprecadedDefines();
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const char *newLine = "\r\n";
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const char *header = "// Struct defines\r\n";
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stream.write( dStrlen((char*)newLine), newLine );
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stream.write( dStrlen((char*)header), header );
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// print out elements
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for( U32 i=0; i<mElementList.size(); i++ )
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{
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U8 output[256];
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Var *var = mElementList[i];
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if(!dStrcmp((const char*)var->name, "gl_Position"))
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continue;
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if(!in)
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{
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dSprintf((char*)output, sizeof(output), "#define %s_%s _%s_\r\n", connectionDir, var->name, var->connectName);
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stream.write( dStrlen((char*)output), output );
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continue;
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}
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}
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stream.write( dStrlen((char*)newLine), newLine );
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}
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void VertexParamsDefGLSL::print( Stream &stream, bool isVerterShader )
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{
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// find all the uniform variables and print them out
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for( U32 i=0; i<LangElement::elementList.size(); i++)
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{
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Var *var = dynamic_cast<Var*>(LangElement::elementList[i]);
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if( var )
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{
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if( var->uniform )
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{
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U8 output[256];
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if(var->arraySize <= 1)
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dSprintf((char*)output, sizeof(output), "uniform %-8s %-15s;\r\n", var->type, var->name);
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else
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dSprintf((char*)output, sizeof(output), "uniform %-8s %-15s[%d];\r\n", var->type, var->name, var->arraySize);
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stream.write( dStrlen((char*)output), output );
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}
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}
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}
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const char *closer = "\r\n\r\nvoid main()\r\n{\r\n";
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stream.write( dStrlen(closer), closer );
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}
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void PixelParamsDefGLSL::print( Stream &stream, bool isVerterShader )
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{
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// find all the uniform variables and print them out
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for( U32 i=0; i<LangElement::elementList.size(); i++)
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{
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Var *var = dynamic_cast<Var*>(LangElement::elementList[i]);
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if( var )
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{
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if( var->uniform )
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{
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U8 output[256];
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if(var->arraySize <= 1)
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dSprintf((char*)output, sizeof(output), "uniform %-8s %-15s;\r\n", var->type, var->name);
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else
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dSprintf((char*)output, sizeof(output), "uniform %-8s %-15s[%d];\r\n", var->type, var->name, var->arraySize);
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stream.write( dStrlen((char*)output), output );
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}
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}
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}
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const char *closer = "\r\nvoid main()\r\n{\r\n";
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stream.write( dStrlen(closer), closer );
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for( U32 i=0; i<LangElement::elementList.size(); i++)
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{
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Var *var = dynamic_cast<Var*>(LangElement::elementList[i]);
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if( var )
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{
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if( var->uniform && !var->sampler)
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{
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U8 output[256];
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if(var->arraySize <= 1)
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dSprintf((char*)output, sizeof(output), " %s %s = %s;\r\n", var->type, var->name, var->name);
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else
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dSprintf((char*)output, sizeof(output), " %s %s[%d] = %s;\r\n", var->type, var->name, var->arraySize, var->name);
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stream.write( dStrlen((char*)output), output );
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}
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}
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}
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}
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