mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-26 12:47:37 +00:00
386 lines
17 KiB
C++
386 lines
17 KiB
C++
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2016 - Hans-Kristian Arntzen
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "glslang.hpp"
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#include "ShaderLang.h"
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#include "GlslangToSpv.h"
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#include <vector>
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#include <iostream>
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#include <cstring>
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#include <cstdlib>
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#include "../../general.h"
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using namespace glslang;
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using namespace std;
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struct SlangProcess
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{
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public:
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SlangProcess();
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TBuiltInResource& GetResources() { return Resources; }
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~SlangProcess() { FinalizeProcess(); }
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private:
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TBuiltInResource Resources;
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};
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SlangProcess::SlangProcess()
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{
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InitializeProcess();
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char DefaultConfig[] =
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"MaxLights 32\n"
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"MaxClipPlanes 6\n"
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"MaxTextureUnits 32\n"
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"MaxTextureCoords 32\n"
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"MaxVertexAttribs 64\n"
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"MaxVertexUniformComponents 4096\n"
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"MaxVaryingFloats 64\n"
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"MaxVertexTextureImageUnits 32\n"
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"MaxCombinedTextureImageUnits 80\n"
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"MaxTextureImageUnits 32\n"
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"MaxFragmentUniformComponents 4096\n"
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"MaxDrawBuffers 32\n"
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"MaxVertexUniformVectors 128\n"
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"MaxVaryingVectors 8\n"
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"MaxFragmentUniformVectors 16\n"
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"MaxVertexOutputVectors 16\n"
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"MaxFragmentInputVectors 15\n"
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"MinProgramTexelOffset -8\n"
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"MaxProgramTexelOffset 7\n"
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"MaxClipDistances 8\n"
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"MaxComputeWorkGroupCountX 65535\n"
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"MaxComputeWorkGroupCountY 65535\n"
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"MaxComputeWorkGroupCountZ 65535\n"
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"MaxComputeWorkGroupSizeX 1024\n"
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"MaxComputeWorkGroupSizeY 1024\n"
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"MaxComputeWorkGroupSizeZ 64\n"
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"MaxComputeUniformComponents 1024\n"
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"MaxComputeTextureImageUnits 16\n"
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"MaxComputeImageUniforms 8\n"
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"MaxComputeAtomicCounters 8\n"
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"MaxComputeAtomicCounterBuffers 1\n"
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"MaxVaryingComponents 60\n"
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"MaxVertexOutputComponents 64\n"
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"MaxGeometryInputComponents 64\n"
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"MaxGeometryOutputComponents 128\n"
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"MaxFragmentInputComponents 128\n"
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"MaxImageUnits 8\n"
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"MaxCombinedImageUnitsAndFragmentOutputs 8\n"
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"MaxCombinedShaderOutputResources 8\n"
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"MaxImageSamples 0\n"
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"MaxVertexImageUniforms 0\n"
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"MaxTessControlImageUniforms 0\n"
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"MaxTessEvaluationImageUniforms 0\n"
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"MaxGeometryImageUniforms 0\n"
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"MaxFragmentImageUniforms 8\n"
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"MaxCombinedImageUniforms 8\n"
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"MaxGeometryTextureImageUnits 16\n"
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"MaxGeometryOutputVertices 256\n"
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"MaxGeometryTotalOutputComponents 1024\n"
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"MaxGeometryUniformComponents 1024\n"
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"MaxGeometryVaryingComponents 64\n"
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"MaxTessControlInputComponents 128\n"
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"MaxTessControlOutputComponents 128\n"
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"MaxTessControlTextureImageUnits 16\n"
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"MaxTessControlUniformComponents 1024\n"
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"MaxTessControlTotalOutputComponents 4096\n"
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"MaxTessEvaluationInputComponents 128\n"
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"MaxTessEvaluationOutputComponents 128\n"
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"MaxTessEvaluationTextureImageUnits 16\n"
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"MaxTessEvaluationUniformComponents 1024\n"
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"MaxTessPatchComponents 120\n"
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"MaxPatchVertices 32\n"
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"MaxTessGenLevel 64\n"
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"MaxViewports 16\n"
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"MaxVertexAtomicCounters 0\n"
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"MaxTessControlAtomicCounters 0\n"
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"MaxTessEvaluationAtomicCounters 0\n"
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"MaxGeometryAtomicCounters 0\n"
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"MaxFragmentAtomicCounters 8\n"
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"MaxCombinedAtomicCounters 8\n"
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"MaxAtomicCounterBindings 1\n"
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"MaxVertexAtomicCounterBuffers 0\n"
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"MaxTessControlAtomicCounterBuffers 0\n"
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"MaxTessEvaluationAtomicCounterBuffers 0\n"
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"MaxGeometryAtomicCounterBuffers 0\n"
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"MaxFragmentAtomicCounterBuffers 1\n"
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"MaxCombinedAtomicCounterBuffers 1\n"
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"MaxAtomicCounterBufferSize 16384\n"
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"MaxTransformFeedbackBuffers 4\n"
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"MaxTransformFeedbackInterleavedComponents 64\n"
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"MaxCullDistances 8\n"
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"MaxCombinedClipAndCullDistances 8\n"
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"MaxSamples 4\n"
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"nonInductiveForLoops 1\n"
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"whileLoops 1\n"
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"doWhileLoops 1\n"
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"generalUniformIndexing 1\n"
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"generalAttributeMatrixVectorIndexing 1\n"
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"generalVaryingIndexing 1\n"
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"generalSamplerIndexing 1\n"
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"generalVariableIndexing 1\n"
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"generalConstantMatrixVectorIndexing 1\n";
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const char *delims = " \t\n\r";
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const char *token = strtok(DefaultConfig, delims);
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while (token)
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{
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const char *value_str = strtok(0, delims);
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int value = strtoul(value_str, nullptr, 0);
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if (strcmp(token, "MaxLights") == 0)
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Resources.maxLights = value;
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else if (strcmp(token, "MaxClipPlanes") == 0)
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Resources.maxClipPlanes = value;
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else if (strcmp(token, "MaxTextureUnits") == 0)
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Resources.maxTextureUnits = value;
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else if (strcmp(token, "MaxTextureCoords") == 0)
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Resources.maxTextureCoords = value;
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else if (strcmp(token, "MaxVertexAttribs") == 0)
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Resources.maxVertexAttribs = value;
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else if (strcmp(token, "MaxVertexUniformComponents") == 0)
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Resources.maxVertexUniformComponents = value;
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else if (strcmp(token, "MaxVaryingFloats") == 0)
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Resources.maxVaryingFloats = value;
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else if (strcmp(token, "MaxVertexTextureImageUnits") == 0)
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Resources.maxVertexTextureImageUnits = value;
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else if (strcmp(token, "MaxCombinedTextureImageUnits") == 0)
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Resources.maxCombinedTextureImageUnits = value;
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else if (strcmp(token, "MaxTextureImageUnits") == 0)
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Resources.maxTextureImageUnits = value;
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else if (strcmp(token, "MaxFragmentUniformComponents") == 0)
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Resources.maxFragmentUniformComponents = value;
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else if (strcmp(token, "MaxDrawBuffers") == 0)
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Resources.maxDrawBuffers = value;
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else if (strcmp(token, "MaxVertexUniformVectors") == 0)
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Resources.maxVertexUniformVectors = value;
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else if (strcmp(token, "MaxVaryingVectors") == 0)
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Resources.maxVaryingVectors = value;
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else if (strcmp(token, "MaxFragmentUniformVectors") == 0)
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Resources.maxFragmentUniformVectors = value;
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else if (strcmp(token, "MaxVertexOutputVectors") == 0)
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Resources.maxVertexOutputVectors = value;
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else if (strcmp(token, "MaxFragmentInputVectors") == 0)
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Resources.maxFragmentInputVectors = value;
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else if (strcmp(token, "MinProgramTexelOffset") == 0)
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Resources.minProgramTexelOffset = value;
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else if (strcmp(token, "MaxProgramTexelOffset") == 0)
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Resources.maxProgramTexelOffset = value;
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else if (strcmp(token, "MaxClipDistances") == 0)
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Resources.maxClipDistances = value;
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else if (strcmp(token, "MaxComputeWorkGroupCountX") == 0)
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Resources.maxComputeWorkGroupCountX = value;
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else if (strcmp(token, "MaxComputeWorkGroupCountY") == 0)
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Resources.maxComputeWorkGroupCountY = value;
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else if (strcmp(token, "MaxComputeWorkGroupCountZ") == 0)
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Resources.maxComputeWorkGroupCountZ = value;
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else if (strcmp(token, "MaxComputeWorkGroupSizeX") == 0)
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Resources.maxComputeWorkGroupSizeX = value;
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else if (strcmp(token, "MaxComputeWorkGroupSizeY") == 0)
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Resources.maxComputeWorkGroupSizeY = value;
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else if (strcmp(token, "MaxComputeWorkGroupSizeZ") == 0)
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Resources.maxComputeWorkGroupSizeZ = value;
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else if (strcmp(token, "MaxComputeUniformComponents") == 0)
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Resources.maxComputeUniformComponents = value;
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else if (strcmp(token, "MaxComputeTextureImageUnits") == 0)
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Resources.maxComputeTextureImageUnits = value;
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else if (strcmp(token, "MaxComputeImageUniforms") == 0)
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Resources.maxComputeImageUniforms = value;
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else if (strcmp(token, "MaxComputeAtomicCounters") == 0)
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Resources.maxComputeAtomicCounters = value;
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else if (strcmp(token, "MaxComputeAtomicCounterBuffers") == 0)
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Resources.maxComputeAtomicCounterBuffers = value;
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else if (strcmp(token, "MaxVaryingComponents") == 0)
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Resources.maxVaryingComponents = value;
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else if (strcmp(token, "MaxVertexOutputComponents") == 0)
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Resources.maxVertexOutputComponents = value;
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else if (strcmp(token, "MaxGeometryInputComponents") == 0)
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Resources.maxGeometryInputComponents = value;
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else if (strcmp(token, "MaxGeometryOutputComponents") == 0)
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Resources.maxGeometryOutputComponents = value;
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else if (strcmp(token, "MaxFragmentInputComponents") == 0)
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Resources.maxFragmentInputComponents = value;
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else if (strcmp(token, "MaxImageUnits") == 0)
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Resources.maxImageUnits = value;
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else if (strcmp(token, "MaxCombinedImageUnitsAndFragmentOutputs") == 0)
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Resources.maxCombinedImageUnitsAndFragmentOutputs = value;
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else if (strcmp(token, "MaxCombinedShaderOutputResources") == 0)
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Resources.maxCombinedShaderOutputResources = value;
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else if (strcmp(token, "MaxImageSamples") == 0)
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Resources.maxImageSamples = value;
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else if (strcmp(token, "MaxVertexImageUniforms") == 0)
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Resources.maxVertexImageUniforms = value;
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else if (strcmp(token, "MaxTessControlImageUniforms") == 0)
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Resources.maxTessControlImageUniforms = value;
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else if (strcmp(token, "MaxTessEvaluationImageUniforms") == 0)
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Resources.maxTessEvaluationImageUniforms = value;
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else if (strcmp(token, "MaxGeometryImageUniforms") == 0)
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Resources.maxGeometryImageUniforms = value;
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else if (strcmp(token, "MaxFragmentImageUniforms") == 0)
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Resources.maxFragmentImageUniforms = value;
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else if (strcmp(token, "MaxCombinedImageUniforms") == 0)
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Resources.maxCombinedImageUniforms = value;
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else if (strcmp(token, "MaxGeometryTextureImageUnits") == 0)
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Resources.maxGeometryTextureImageUnits = value;
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else if (strcmp(token, "MaxGeometryOutputVertices") == 0)
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Resources.maxGeometryOutputVertices = value;
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else if (strcmp(token, "MaxGeometryTotalOutputComponents") == 0)
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Resources.maxGeometryTotalOutputComponents = value;
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else if (strcmp(token, "MaxGeometryUniformComponents") == 0)
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Resources.maxGeometryUniformComponents = value;
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else if (strcmp(token, "MaxGeometryVaryingComponents") == 0)
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Resources.maxGeometryVaryingComponents = value;
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else if (strcmp(token, "MaxTessControlInputComponents") == 0)
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Resources.maxTessControlInputComponents = value;
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else if (strcmp(token, "MaxTessControlOutputComponents") == 0)
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Resources.maxTessControlOutputComponents = value;
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else if (strcmp(token, "MaxTessControlTextureImageUnits") == 0)
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Resources.maxTessControlTextureImageUnits = value;
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else if (strcmp(token, "MaxTessControlUniformComponents") == 0)
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Resources.maxTessControlUniformComponents = value;
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else if (strcmp(token, "MaxTessControlTotalOutputComponents") == 0)
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Resources.maxTessControlTotalOutputComponents = value;
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else if (strcmp(token, "MaxTessEvaluationInputComponents") == 0)
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Resources.maxTessEvaluationInputComponents = value;
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else if (strcmp(token, "MaxTessEvaluationOutputComponents") == 0)
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Resources.maxTessEvaluationOutputComponents = value;
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else if (strcmp(token, "MaxTessEvaluationTextureImageUnits") == 0)
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Resources.maxTessEvaluationTextureImageUnits = value;
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else if (strcmp(token, "MaxTessEvaluationUniformComponents") == 0)
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Resources.maxTessEvaluationUniformComponents = value;
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else if (strcmp(token, "MaxTessPatchComponents") == 0)
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Resources.maxTessPatchComponents = value;
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else if (strcmp(token, "MaxPatchVertices") == 0)
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Resources.maxPatchVertices = value;
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else if (strcmp(token, "MaxTessGenLevel") == 0)
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Resources.maxTessGenLevel = value;
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else if (strcmp(token, "MaxViewports") == 0)
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Resources.maxViewports = value;
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else if (strcmp(token, "MaxVertexAtomicCounters") == 0)
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Resources.maxVertexAtomicCounters = value;
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else if (strcmp(token, "MaxTessControlAtomicCounters") == 0)
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Resources.maxTessControlAtomicCounters = value;
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else if (strcmp(token, "MaxTessEvaluationAtomicCounters") == 0)
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Resources.maxTessEvaluationAtomicCounters = value;
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else if (strcmp(token, "MaxGeometryAtomicCounters") == 0)
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Resources.maxGeometryAtomicCounters = value;
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else if (strcmp(token, "MaxFragmentAtomicCounters") == 0)
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Resources.maxFragmentAtomicCounters = value;
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else if (strcmp(token, "MaxCombinedAtomicCounters") == 0)
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Resources.maxCombinedAtomicCounters = value;
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else if (strcmp(token, "MaxAtomicCounterBindings") == 0)
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Resources.maxAtomicCounterBindings = value;
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else if (strcmp(token, "MaxVertexAtomicCounterBuffers") == 0)
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Resources.maxVertexAtomicCounterBuffers = value;
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else if (strcmp(token, "MaxTessControlAtomicCounterBuffers") == 0)
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Resources.maxTessControlAtomicCounterBuffers = value;
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else if (strcmp(token, "MaxTessEvaluationAtomicCounterBuffers") == 0)
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Resources.maxTessEvaluationAtomicCounterBuffers = value;
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else if (strcmp(token, "MaxGeometryAtomicCounterBuffers") == 0)
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Resources.maxGeometryAtomicCounterBuffers = value;
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else if (strcmp(token, "MaxFragmentAtomicCounterBuffers") == 0)
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Resources.maxFragmentAtomicCounterBuffers = value;
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else if (strcmp(token, "MaxCombinedAtomicCounterBuffers") == 0)
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Resources.maxCombinedAtomicCounterBuffers = value;
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else if (strcmp(token, "MaxAtomicCounterBufferSize") == 0)
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Resources.maxAtomicCounterBufferSize = value;
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else if (strcmp(token, "MaxTransformFeedbackBuffers") == 0)
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Resources.maxTransformFeedbackBuffers = value;
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else if (strcmp(token, "MaxTransformFeedbackInterleavedComponents") == 0)
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Resources.maxTransformFeedbackInterleavedComponents = value;
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else if (strcmp(token, "MaxCullDistances") == 0)
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Resources.maxCullDistances = value;
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else if (strcmp(token, "MaxCombinedClipAndCullDistances") == 0)
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Resources.maxCombinedClipAndCullDistances = value;
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else if (strcmp(token, "MaxSamples") == 0)
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Resources.maxSamples = value;
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else if (strcmp(token, "nonInductiveForLoops") == 0)
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Resources.limits.nonInductiveForLoops = (value != 0);
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else if (strcmp(token, "whileLoops") == 0)
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Resources.limits.whileLoops = (value != 0);
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else if (strcmp(token, "doWhileLoops") == 0)
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Resources.limits.doWhileLoops = (value != 0);
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else if (strcmp(token, "generalUniformIndexing") == 0)
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Resources.limits.generalUniformIndexing = (value != 0);
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else if (strcmp(token, "generalAttributeMatrixVectorIndexing") == 0)
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Resources.limits.generalAttributeMatrixVectorIndexing = (value != 0);
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else if (strcmp(token, "generalVaryingIndexing") == 0)
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Resources.limits.generalVaryingIndexing = (value != 0);
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else if (strcmp(token, "generalSamplerIndexing") == 0)
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Resources.limits.generalSamplerIndexing = (value != 0);
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else if (strcmp(token, "generalVariableIndexing") == 0)
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Resources.limits.generalVariableIndexing = (value != 0);
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else if (strcmp(token, "generalConstantMatrixVectorIndexing") == 0)
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Resources.limits.generalConstantMatrixVectorIndexing = (value != 0);
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token = strtok(0, delims);
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}
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}
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bool glslang::compile_spirv(const string &source, Stage stage, std::vector<uint32_t> *spirv)
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{
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static SlangProcess process;
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TProgram program;
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EShLanguage language;
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switch (stage)
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{
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case StageVertex: language = EShLangVertex; break;
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case StageTessControl: language = EShLangTessControl; break;
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case StageTessEvaluation: language = EShLangTessEvaluation; break;
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case StageGeometry: language = EShLangGeometry; break;
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case StageFragment: language = EShLangFragment; break;
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case StageCompute: language = EShLangCompute; break;
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default: return false;
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}
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TShader shader(language);
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const char *src = source.c_str();
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shader.setStrings(&src, 1);
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string msg;
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auto forbid_include = TShader::ForbidInclude();
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if (!shader.preprocess(&process.GetResources(), 100, ENoProfile, false, false, EShMsgDefault, &msg, forbid_include))
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{
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fprintf(stderr, "%s\n", msg.c_str());
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return {};
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}
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if (!shader.parse(&process.GetResources(), 100, false, EShMsgDefault))
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{
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RARCH_ERR("%s\n", shader.getInfoLog());
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RARCH_ERR("%s\n", shader.getInfoDebugLog());
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return false;
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}
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program.addShader(&shader);
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if (!program.link(EShMsgDefault))
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{
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RARCH_ERR("%s\n", program.getInfoLog());
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RARCH_ERR("%s\n", program.getInfoDebugLog());
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return false;
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}
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GlslangToSpv(*program.getIntermediate(language), *spirv);
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return true;
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}
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