mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-28 10:35:43 -05:00
1811 lines
41 KiB
C++
1811 lines
41 KiB
C++
/*
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* Copyright 2011-2012 Branimir Karadzic. All rights reserved.
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* License: http://www.opensource.org/licenses/BSD-2-Clause
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*/
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#define SHADERC_DEBUG 0
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#define NOMINMAX
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string>
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#include <vector>
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#include <unordered_map>
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namespace std { namespace tr1 {} using namespace tr1; } // namespace std
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#include "glsl_optimizer.h"
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#define MAX_TAGS 256
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extern "C"
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{
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#include <fpp.h>
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} // extern "C"
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#if SHADERC_DEBUG
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# define BX_TRACE(_format, ...) fprintf(stderr, "" _format "\n", ##__VA_ARGS__)
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#endif // DEBUG
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#define BX_NAMESPACE 1
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#include <bx/bx.h>
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#if BX_PLATFORM_LINUX
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# include <stdarg.h>
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# define _stricmp strcasecmp
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# define _snprintf snprintf
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#endif // BX_PLATFORM_LINUX
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#include <bx/commandline.h>
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#include <bx/countof.h>
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#include <bx/endian.h>
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#include <bx/uint32_t.h>
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#if BX_PLATFORM_WINDOWS
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# include <d3dx9.h>
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# include <d3dcompiler.h>
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#endif // BX_PLATFORM_WINDOWS
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long int fsize(FILE* _file)
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{
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long int pos = ftell(_file);
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fseek(_file, 0L, SEEK_END);
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long int size = ftell(_file);
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fseek(_file, pos, SEEK_SET);
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return size;
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}
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struct Attrib
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{
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enum Enum
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{
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Position = 0,
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Normal,
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Color0,
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Color1,
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Indices,
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Weight,
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TexCoord0,
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TexCoord1,
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TexCoord2,
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TexCoord3,
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TexCoord4,
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TexCoord5,
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TexCoord6,
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TexCoord7,
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Count,
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};
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};
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struct RemapInputSemantic
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{
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Attrib::Enum m_attr;
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const char* m_name;
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uint8_t m_index;
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};
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static const RemapInputSemantic s_remapInputSemantic[Attrib::Count+1] =
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{
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{ Attrib::Position, "POSITION", 0 },
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{ Attrib::Normal, "NORMAL", 0 },
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{ Attrib::Color0, "COLOR", 0 },
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{ Attrib::Color1, "COLOR", 1 },
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{ Attrib::Indices, "BLENDINDICES", 0 },
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{ Attrib::Weight, "BLENDWEIGHT", 0 },
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{ Attrib::TexCoord0, "TEXCOORD", 0 },
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{ Attrib::TexCoord1, "TEXCOORD", 1 },
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{ Attrib::TexCoord2, "TEXCOORD", 2 },
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{ Attrib::TexCoord3, "TEXCOORD", 3 },
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{ Attrib::TexCoord4, "TEXCOORD", 4 },
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{ Attrib::TexCoord5, "TEXCOORD", 5 },
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{ Attrib::TexCoord6, "TEXCOORD", 6 },
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{ Attrib::TexCoord7, "TEXCOORD", 7 },
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{ Attrib::Count, "", 0 },
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};
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const RemapInputSemantic& findInputSemantic(const char* _name, uint8_t _index)
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{
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for (uint32_t ii = 0; ii < Attrib::Count; ++ii)
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{
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const RemapInputSemantic& ris = s_remapInputSemantic[ii];
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if (0 == strcmp(ris.m_name, _name)
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&& ris.m_index == _index)
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{
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return ris;
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}
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}
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return s_remapInputSemantic[Attrib::Count];
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}
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struct ConstantType
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{
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enum Enum
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{
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Uniform1i,
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Uniform1f,
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End,
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Uniform1iv,
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Uniform1fv,
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Uniform2fv,
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Uniform3fv,
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Uniform4fv,
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Uniform3x3fv,
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Uniform4x4fv,
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Count,
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TypeMask = 0x7f,
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FragmentBit = 0x80
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};
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};
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static const char* s_constantTypeName[ConstantType::Count] =
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{
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"int",
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"float",
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NULL,
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"int",
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"float",
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"float2",
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"float3",
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"float4",
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"float3x3",
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"float4x4",
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};
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struct Uniform
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{
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std::string name;
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ConstantType::Enum type;
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uint8_t num;
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uint16_t regIndex;
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uint16_t regCount;
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};
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typedef std::vector<Uniform> UniformArray;
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#if BX_PLATFORM_WINDOWS
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struct ConstRemapDx9
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{
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ConstantType::Enum id;
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D3DXPARAMETER_CLASS paramClass;
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D3DXPARAMETER_TYPE paramType;
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uint32_t paramBytes;
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};
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static const ConstRemapDx9 s_constRemapDx9[7] =
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{
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{ ConstantType::Uniform1iv, D3DXPC_SCALAR, D3DXPT_INT, 4 },
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{ ConstantType::Uniform1fv, D3DXPC_SCALAR, D3DXPT_FLOAT, 4 },
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{ ConstantType::Uniform2fv, D3DXPC_VECTOR, D3DXPT_FLOAT, 8 },
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{ ConstantType::Uniform3fv, D3DXPC_VECTOR, D3DXPT_FLOAT, 12 },
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{ ConstantType::Uniform4fv, D3DXPC_VECTOR, D3DXPT_FLOAT, 16 },
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{ ConstantType::Uniform3x3fv, D3DXPC_MATRIX_COLUMNS, D3DXPT_FLOAT, 36 },
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{ ConstantType::Uniform4x4fv, D3DXPC_MATRIX_COLUMNS, D3DXPT_FLOAT, 64 },
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};
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ConstantType::Enum findConstantTypeDx9(const D3DXCONSTANT_DESC& constDesc)
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{
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uint32_t count = sizeof(s_constRemapDx9)/sizeof(ConstRemapDx9);
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for (uint32_t ii = 0; ii < count; ++ii)
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{
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const ConstRemapDx9& remap = s_constRemapDx9[ii];
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if (remap.paramClass == constDesc.Class
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&& remap.paramType == constDesc.Type
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&& (constDesc.Bytes%remap.paramBytes) == 0)
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{
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return remap.id;
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}
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}
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return ConstantType::Count;
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}
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static uint32_t s_optimizationLevelDx9[4] =
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{
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D3DXSHADER_OPTIMIZATION_LEVEL0,
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D3DXSHADER_OPTIMIZATION_LEVEL1,
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D3DXSHADER_OPTIMIZATION_LEVEL2,
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D3DXSHADER_OPTIMIZATION_LEVEL3,
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};
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struct ConstRemapDx11
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{
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ConstantType::Enum id;
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D3D_SHADER_VARIABLE_CLASS paramClass;
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D3D_SHADER_VARIABLE_TYPE paramType;
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uint32_t paramBytes;
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};
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static const ConstRemapDx11 s_constRemapDx11[7] =
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{
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{ ConstantType::Uniform1iv, D3D_SVC_SCALAR, D3D_SVT_INT, 4 },
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{ ConstantType::Uniform1fv, D3D_SVC_SCALAR, D3D_SVT_FLOAT, 4 },
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{ ConstantType::Uniform2fv, D3D_SVC_VECTOR, D3D_SVT_FLOAT, 8 },
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{ ConstantType::Uniform3fv, D3D_SVC_VECTOR, D3D_SVT_FLOAT, 12 },
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{ ConstantType::Uniform4fv, D3D_SVC_VECTOR, D3D_SVT_FLOAT, 16 },
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{ ConstantType::Uniform3x3fv, D3D_SVC_MATRIX_COLUMNS, D3D_SVT_FLOAT, 36 },
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{ ConstantType::Uniform4x4fv, D3D_SVC_MATRIX_COLUMNS, D3D_SVT_FLOAT, 64 },
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};
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ConstantType::Enum findConstantTypeDx11(const D3D11_SHADER_TYPE_DESC& constDesc, uint32_t _size)
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{
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uint32_t count = sizeof(s_constRemapDx11)/sizeof(ConstRemapDx9);
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for (uint32_t ii = 0; ii < count; ++ii)
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{
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const ConstRemapDx11& remap = s_constRemapDx11[ii];
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if (remap.paramClass == constDesc.Class
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&& remap.paramType == constDesc.Type
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&& remap.paramBytes == _size)
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{
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return remap.id;
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}
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}
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return ConstantType::Count;
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}
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static uint32_t s_optimizationLevelDx11[4] =
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{
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D3DCOMPILE_OPTIMIZATION_LEVEL0,
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D3DCOMPILE_OPTIMIZATION_LEVEL1,
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D3DCOMPILE_OPTIMIZATION_LEVEL2,
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D3DCOMPILE_OPTIMIZATION_LEVEL3,
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};
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#endif // BX_PLATFORM_WINDOWS
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class IStreamWriter
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{
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public:
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virtual ~IStreamWriter() = 0;
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virtual bool open() = 0;
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virtual void close() = 0;
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virtual void writef(const char* _format, ...) = 0;
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virtual void write(const char* _str) = 0;
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virtual void write(const void* _data, size_t _size) = 0;
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template<typename Ty>
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void write(Ty _value)
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{
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write(&_value, sizeof(Ty) );
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}
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void writeString(const char* _str)
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{
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uint16_t len = (uint16_t)strlen(_str);
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write(len);
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write(_str);
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char term = '\0';
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write(term);
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}
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};
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IStreamWriter::~IStreamWriter()
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{
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}
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class FileWriter : public IStreamWriter
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{
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public:
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FileWriter(const char* _filePath, bool _bigEndian = false)
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: m_filePath(_filePath)
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, m_file(NULL)
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, m_bigEndian(_bigEndian)
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{
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}
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~FileWriter()
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{
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}
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bool open()
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{
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BX_CHECK(NULL == m_file, "Still open!");
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m_file = fopen(m_filePath.c_str(), "wb");
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return NULL != m_file;
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}
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void close()
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{
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if (NULL != m_file)
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{
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fclose(m_file);
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m_file = NULL;
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}
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}
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void writef(const char* _format, ...)
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{
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if (NULL != m_file)
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{
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va_list argList;
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va_start(argList, _format);
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char temp[2048];
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int len = vsnprintf(temp, sizeof(temp), _format, argList);
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fwrite(temp, len, 1, m_file);
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va_end(argList);
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}
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}
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void write(const char* _str)
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{
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if (NULL != m_file)
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{
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fwrite(_str, strlen(_str), 1, m_file);
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}
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}
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void write(const void* _data, size_t _size)
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{
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if (NULL != m_file)
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{
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fwrite(_data, _size, 1, m_file);
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}
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}
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private:
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std::string m_filePath;
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FILE* m_file;
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bool m_bigEndian;
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};
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class Bin2cStream : public IStreamWriter
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{
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public:
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Bin2cStream(const char* _filePath, const char* _name)
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: m_filePath(_filePath)
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, m_name(_name)
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, m_file(NULL)
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{
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}
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~Bin2cStream()
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{
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}
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bool open()
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{
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BX_CHECK(NULL == m_file, "Still open!");
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m_file = fopen(m_filePath.c_str(), "wb");
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return NULL != m_file;
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}
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void close()
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{
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if (NULL != m_file)
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{
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#define HEX_DUMP_WIDTH 16
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#define HEX_DUMP_SPACE_WIDTH 96
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#define HEX_DUMP_FORMAT "%-" BX_STRINGIZE(HEX_DUMP_SPACE_WIDTH) "." BX_STRINGIZE(HEX_DUMP_SPACE_WIDTH) "s"
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const uint8_t* data = &m_buffer[0];
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uint32_t size = m_buffer.size();
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fprintf(m_file, "static const uint8_t %s[%d] =\n{\n", m_name.c_str(), size);
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if (NULL != data)
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{
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char hex[HEX_DUMP_SPACE_WIDTH+1];
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char ascii[HEX_DUMP_WIDTH+1];
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uint32_t hexPos = 0;
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uint32_t asciiPos = 0;
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for (uint32_t ii = 0; ii < size; ++ii)
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{
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_snprintf(&hex[hexPos], sizeof(hex)-hexPos, "0x%02x, ", data[asciiPos]);
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hexPos += 6;
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ascii[asciiPos] = isprint(data[asciiPos]) && data[asciiPos] != '\\' ? data[asciiPos] : '.';
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asciiPos++;
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if (HEX_DUMP_WIDTH == asciiPos)
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{
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ascii[asciiPos] = '\0';
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fprintf(m_file, "\t" HEX_DUMP_FORMAT "// %s\n", hex, ascii);
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data += asciiPos;
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hexPos = 0;
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asciiPos = 0;
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}
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}
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if (0 != asciiPos)
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{
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ascii[asciiPos] = '\0';
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fprintf(m_file, "\t" HEX_DUMP_FORMAT "// %s\n", hex, ascii);
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}
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}
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fprintf(m_file, "};\n");
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#undef HEX_DUMP_WIDTH
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#undef HEX_DUMP_SPACE_WIDTH
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#undef HEX_DUMP_FORMAT
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fclose(m_file);
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m_file = NULL;
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}
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}
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void writef(const char* _format, ...)
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{
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va_list argList;
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va_start(argList, _format);
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char temp[2048];
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int len = vsnprintf(temp, sizeof(temp), _format, argList);
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m_buffer.insert(m_buffer.end(), temp, temp+len);
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va_end(argList);
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}
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void write(const char* _str)
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{
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m_buffer.insert(m_buffer.end(), _str, _str+strlen(_str) );
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}
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void write(const void* _data, size_t _size)
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{
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const char* data = (const char*)_data;
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m_buffer.insert(m_buffer.end(), data, data+_size);
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}
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private:
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std::string m_filePath;
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std::string m_name;
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typedef std::vector<uint8_t> Buffer;
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Buffer m_buffer;
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FILE* m_file;
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};
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struct Varying
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{
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std::string m_name;
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std::string m_type;
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std::string m_init;
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std::string m_semantics;
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};
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typedef std::unordered_map<std::string, Varying> VaryingMap;
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class File
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{
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public:
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File(const char* _filePath)
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: m_data(NULL)
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{
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FILE* file = fopen(_filePath, "r");
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if (NULL != file)
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{
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m_size = fsize(file);
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m_data = new char[m_size+1];
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m_size = fread(m_data, 1, m_size, file);
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m_data[m_size] = '\0';
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fclose(file);
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}
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}
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~File()
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{
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delete [] m_data;
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}
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const char* getData() const
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{
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return m_data;
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}
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long int getSize() const
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{
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return m_size;
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}
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private:
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char* m_data;
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long int m_size;
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};
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const char* strnl(const char* _str)
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{
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const char* eol = strstr(_str, "\n\r");
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if (NULL != eol)
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{
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return eol + 2;
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}
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eol = strstr(_str, "\n");
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if (NULL != eol)
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{
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return eol + 1;
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}
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return eol + strlen(_str);
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}
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const char* streol(const char* _str)
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{
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const char* eol = strstr(_str, "\n\r");
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if (NULL != eol)
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{
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return eol;
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}
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eol = strstr(_str, "\n");
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if (NULL != eol)
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{
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return eol;
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}
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return eol + strlen(_str);
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}
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const char* strws(const char* _str)
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{
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for (; isspace(*_str); ++_str);
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return _str;
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}
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const char* strnws(const char* _str)
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{
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for (; !isspace(*_str); ++_str);
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return _str;
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}
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const char* strword(const char* _str)
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{
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for (char ch = *_str++; isalnum(ch) || '_' == ch; ch = *_str++);
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return _str-1;
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}
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|
|
const char* strmb(const char* _str, char _open, char _close)
|
|
{
|
|
int count = 0;
|
|
for (char ch = *_str++; ch != '\0' && count >= 0; ch = *_str++)
|
|
{
|
|
if (ch == _open)
|
|
{
|
|
count++;
|
|
}
|
|
else if (ch == _close)
|
|
{
|
|
count--;
|
|
if (0 == count)
|
|
{
|
|
return _str-1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void strins(char* _str, const char* _insert)
|
|
{
|
|
size_t len = strlen(_insert);
|
|
memmove(&_str[len], _str, strlen(_str) );
|
|
memcpy(_str, _insert, len);
|
|
}
|
|
|
|
class LineReader
|
|
{
|
|
public:
|
|
LineReader(const char* _str)
|
|
: m_str(_str)
|
|
, m_pos(0)
|
|
, m_size( (uint32_t)strlen(_str) )
|
|
{
|
|
}
|
|
|
|
std::string getLine()
|
|
{
|
|
const char* str = &m_str[m_pos];
|
|
skipLine();
|
|
|
|
const char* eol = &m_str[m_pos];
|
|
|
|
std::string tmp;
|
|
tmp.assign(str, eol-str);
|
|
return tmp;
|
|
}
|
|
|
|
bool isEof() const
|
|
{
|
|
return m_str[m_pos] == '\0';
|
|
}
|
|
|
|
private:
|
|
void skipLine()
|
|
{
|
|
const char* str = &m_str[m_pos];
|
|
const char* nl = strnl(str);
|
|
m_pos += (uint32_t)(nl - str);
|
|
}
|
|
|
|
const char* m_str;
|
|
uint32_t m_pos;
|
|
uint32_t m_size;
|
|
};
|
|
|
|
void printCode(const char* _code)
|
|
{
|
|
fprintf(stderr, "Code:\n---\n");
|
|
|
|
LineReader lr(_code);
|
|
for (uint32_t line = 1; !lr.isEof(); ++line)
|
|
{
|
|
fprintf(stderr, "%3d: %s", line, lr.getLine().c_str() );
|
|
}
|
|
|
|
fprintf(stderr, "---\n");
|
|
}
|
|
|
|
bool compileGLSLShader(CommandLine& _cmdLine, const std::string& _code, IStreamWriter& _stream)
|
|
{
|
|
const glslopt_shader_type type = tolower(_cmdLine.findOption('\0', "type")[0]) == 'f' ? kGlslOptShaderFragment : kGlslOptShaderVertex;
|
|
|
|
glslopt_ctx* ctx = glslopt_initialize(false);
|
|
|
|
glslopt_shader* shader = glslopt_optimize(ctx, type, _code.c_str(), 0);
|
|
|
|
if( !glslopt_get_status(shader) )
|
|
{
|
|
printCode(_code.c_str() );
|
|
fprintf(stderr, "Error: %s\n", glslopt_get_log(shader) );
|
|
glslopt_cleanup(ctx);
|
|
return false;
|
|
}
|
|
|
|
const char* optimizedShader = glslopt_get_output(shader);
|
|
|
|
const char* profile = _cmdLine.findOption('p');
|
|
if (NULL == profile)
|
|
{
|
|
_stream.write("#ifdef GL_ES\n");
|
|
_stream.write("precision highp float;\n");
|
|
_stream.write("#endif // GL_ES\n\n");
|
|
}
|
|
else
|
|
{
|
|
_stream.writef("#version %s\n\n", profile);
|
|
}
|
|
|
|
_stream.write(optimizedShader, strlen(optimizedShader) );
|
|
uint8_t nul = 0;
|
|
_stream.write(nul);
|
|
|
|
glslopt_cleanup(ctx);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool compileHLSLShaderDx9(CommandLine& _cmdLine, const std::string& _code, IStreamWriter& _stream)
|
|
{
|
|
#if BX_PLATFORM_WINDOWS
|
|
const char* profile = _cmdLine.findOption('p');
|
|
if (NULL == profile)
|
|
{
|
|
printf("Shader profile must be specified.\n");
|
|
return false;
|
|
}
|
|
|
|
bool bigEndian = _cmdLine.hasArg('\0', "xbox360");
|
|
|
|
uint32_t flags = 0;
|
|
flags |= _cmdLine.hasArg('\0', "debug") ? D3DXSHADER_DEBUG : 0;
|
|
flags |= _cmdLine.hasArg('\0', "avoid-flow-control") ? D3DXSHADER_AVOID_FLOW_CONTROL : 0;
|
|
flags |= _cmdLine.hasArg('\0', "no-preshader") ? D3DXSHADER_NO_PRESHADER : 0;
|
|
flags |= _cmdLine.hasArg('\0', "partial-precision") ? D3DXSHADER_PARTIALPRECISION : 0;
|
|
flags |= _cmdLine.hasArg('\0', "prefer-flow-control") ? D3DXSHADER_PREFER_FLOW_CONTROL : 0;
|
|
flags |= _cmdLine.hasArg('\0', "backwards-compatibility") ? D3DXSHADER_ENABLE_BACKWARDS_COMPATIBILITY : 0;
|
|
|
|
bool werror = _cmdLine.hasArg('\0', "Werror");
|
|
|
|
uint32_t optimization = 3;
|
|
if (_cmdLine.hasArg(optimization, 'O') )
|
|
{
|
|
optimization = bx::uint32_min(optimization, countof(s_optimizationLevelDx9)-1);
|
|
flags |= s_optimizationLevelDx9[optimization];
|
|
}
|
|
else
|
|
{
|
|
flags |= D3DXSHADER_SKIPOPTIMIZATION;
|
|
}
|
|
|
|
BX_TRACE("Profile: %s", profile);
|
|
BX_TRACE("Flags: 0x%08x", flags);
|
|
BX_TRACE("Big Endian: %s", bigEndian?"true":"false");
|
|
|
|
LPD3DXBUFFER code;
|
|
LPD3DXBUFFER errorMsg;
|
|
LPD3DXCONSTANTTABLE constantTable;
|
|
|
|
HRESULT hr = D3DXCompileShader(_code.c_str()
|
|
, _code.size()
|
|
, NULL
|
|
, NULL
|
|
, "main"
|
|
, profile
|
|
, flags
|
|
, &code
|
|
, &errorMsg
|
|
, &constantTable
|
|
);
|
|
if (FAILED(hr)
|
|
|| werror && NULL != errorMsg)
|
|
{
|
|
printCode(_code.c_str() );
|
|
fprintf(stderr, "Error: 0x%08x %s\n", hr, errorMsg->GetBufferPointer() );
|
|
return false;
|
|
}
|
|
|
|
D3DXCONSTANTTABLE_DESC desc;
|
|
hr = constantTable->GetDesc(&desc);
|
|
if (FAILED(hr) )
|
|
{
|
|
fprintf(stderr, "Error 0x%08x\n", hr);
|
|
return false;
|
|
}
|
|
|
|
BX_TRACE("Creator: %s 0x%08x", desc.Creator, desc.Version);
|
|
BX_TRACE("Num constants: %d", desc.Constants);
|
|
BX_TRACE("# cl ty RxC S By Name");
|
|
|
|
UniformArray uniforms;
|
|
|
|
for (uint32_t ii = 0; ii < desc.Constants; ++ii)
|
|
{
|
|
D3DXHANDLE handle = constantTable->GetConstant(NULL, ii);
|
|
D3DXCONSTANT_DESC constDesc;
|
|
uint32_t count;
|
|
constantTable->GetConstantDesc(handle, &constDesc, &count);
|
|
BX_TRACE("%3d %2d %2d [%dx%d] %d %3d %s[%d] c%d (%d)"
|
|
, ii
|
|
, constDesc.Class
|
|
, constDesc.Type
|
|
, constDesc.Rows
|
|
, constDesc.Columns
|
|
, constDesc.StructMembers
|
|
, constDesc.Bytes
|
|
, constDesc.Name
|
|
, constDesc.Elements
|
|
, constDesc.RegisterIndex
|
|
, constDesc.RegisterCount
|
|
);
|
|
|
|
ConstantType::Enum type = findConstantTypeDx9(constDesc);
|
|
if (ConstantType::Count != type)
|
|
{
|
|
Uniform un;
|
|
un.name = '$' == constDesc.Name[0] ? constDesc.Name+1 : constDesc.Name;
|
|
un.type = type;
|
|
un.num = constDesc.Elements;
|
|
un.regIndex = constDesc.RegisterIndex;
|
|
un.regCount = constDesc.RegisterCount;
|
|
uniforms.push_back(un);
|
|
}
|
|
}
|
|
|
|
uint16_t count = (uint16_t)uniforms.size();
|
|
_stream.write(count);
|
|
|
|
uint32_t fragmentBit = profile[0] == 'p' ? ConstantType::FragmentBit : 0;
|
|
for (UniformArray::const_iterator it = uniforms.begin(); it != uniforms.end(); ++it)
|
|
{
|
|
const Uniform& un = *it;
|
|
uint8_t nameSize = (uint8_t)un.name.size();
|
|
_stream.write(nameSize);
|
|
_stream.write(un.name.c_str(), nameSize);
|
|
_stream.write<uint8_t>(un.type|fragmentBit);
|
|
_stream.write(un.num);
|
|
_stream.write(un.regIndex);
|
|
_stream.write(un.regCount);
|
|
|
|
BX_TRACE("%s, %s, %d, %d, %d"
|
|
, un.name.c_str()
|
|
, s_constantTypeName[un.type]
|
|
, un.num
|
|
, un.regIndex
|
|
, un.regCount
|
|
);
|
|
}
|
|
|
|
uint16_t shaderSize = (uint16_t)code->GetBufferSize();
|
|
_stream.write(shaderSize);
|
|
_stream.write(code->GetBufferPointer(), shaderSize);
|
|
uint8_t nul = 0;
|
|
_stream.write(nul);
|
|
|
|
if (NULL != code)
|
|
{
|
|
code->Release();
|
|
}
|
|
|
|
if (NULL != errorMsg)
|
|
{
|
|
errorMsg->Release();
|
|
}
|
|
|
|
if (NULL != constantTable)
|
|
{
|
|
constantTable->Release();
|
|
}
|
|
|
|
return true;
|
|
#else
|
|
fprintf(stderr, "HLSL compiler is not supported on this platform.\n");
|
|
return false;
|
|
#endif // BX_PLATFORM_WINDOWS
|
|
}
|
|
|
|
bool compileHLSLShaderDx11(CommandLine& _cmdLine, const std::string& _code, IStreamWriter& _stream)
|
|
{
|
|
#if BX_PLATFORM_WINDOWS
|
|
const char* profile = _cmdLine.findOption('p');
|
|
if (NULL == profile)
|
|
{
|
|
printf("Shader profile must be specified.\n");
|
|
return false;
|
|
}
|
|
|
|
bool bigEndian = _cmdLine.hasArg('\0', "xbox360");
|
|
|
|
uint32_t flags = D3DCOMPILE_ENABLE_BACKWARDS_COMPATIBILITY;
|
|
flags |= _cmdLine.hasArg('\0', "debug") ? D3DCOMPILE_DEBUG : 0;
|
|
flags |= _cmdLine.hasArg('\0', "avoid-flow-control") ? D3DCOMPILE_AVOID_FLOW_CONTROL : 0;
|
|
flags |= _cmdLine.hasArg('\0', "no-preshader") ? D3DCOMPILE_NO_PRESHADER : 0;
|
|
flags |= _cmdLine.hasArg('\0', "partial-precision") ? D3DCOMPILE_PARTIAL_PRECISION : 0;
|
|
flags |= _cmdLine.hasArg('\0', "prefer-flow-control") ? D3DCOMPILE_PREFER_FLOW_CONTROL : 0;
|
|
flags |= _cmdLine.hasArg('\0', "backwards-compatibility") ? D3DCOMPILE_ENABLE_BACKWARDS_COMPATIBILITY : 0;
|
|
|
|
bool werror = _cmdLine.hasArg('\0', "Werror");
|
|
|
|
if (werror)
|
|
{
|
|
flags |= D3DCOMPILE_WARNINGS_ARE_ERRORS;
|
|
}
|
|
|
|
uint32_t optimization = 3;
|
|
if (_cmdLine.hasArg(optimization, 'O') )
|
|
{
|
|
optimization = bx::uint32_min(optimization, countof(s_optimizationLevelDx11)-1);
|
|
flags |= s_optimizationLevelDx11[optimization];
|
|
}
|
|
else
|
|
{
|
|
flags |= D3DCOMPILE_SKIP_OPTIMIZATION;
|
|
}
|
|
|
|
BX_TRACE("Profile: %s", profile);
|
|
BX_TRACE("Flags: 0x%08x", flags);
|
|
BX_TRACE("Big Endian: %s", bigEndian?"true":"false");
|
|
|
|
ID3DBlob* code;
|
|
ID3DBlob* errorMsg;
|
|
|
|
HRESULT hr = D3DCompile(_code.c_str()
|
|
, _code.size()
|
|
, NULL
|
|
, NULL
|
|
, NULL
|
|
, "main"
|
|
, profile
|
|
, flags
|
|
, 0
|
|
, &code
|
|
, &errorMsg
|
|
);
|
|
if (FAILED(hr)
|
|
|| werror && NULL != errorMsg)
|
|
{
|
|
printCode(_code.c_str() );
|
|
fprintf(stderr, BX_FILE_LINE_LITERAL "Error: 0x%08x %s\n", hr, errorMsg->GetBufferPointer() );
|
|
return false;
|
|
}
|
|
|
|
UniformArray uniforms;
|
|
|
|
ID3D11ShaderReflection* reflect = NULL;
|
|
hr = D3DReflect(code->GetBufferPointer()
|
|
, code->GetBufferSize()
|
|
, IID_ID3D11ShaderReflection
|
|
, (void**)&reflect
|
|
);
|
|
if (FAILED(hr) )
|
|
{
|
|
fprintf(stderr, BX_FILE_LINE_LITERAL "Error: 0x%08x\n", hr);
|
|
return false;
|
|
}
|
|
|
|
D3D11_SHADER_DESC desc;
|
|
hr = reflect->GetDesc(&desc);
|
|
if (FAILED(hr) )
|
|
{
|
|
fprintf(stderr, BX_FILE_LINE_LITERAL "Error: 0x%08x\n", hr);
|
|
return false;
|
|
}
|
|
|
|
BX_TRACE("Creator: %s 0x%08x", desc.Creator, desc.Version);
|
|
BX_TRACE("Num constant buffers: %d", desc.ConstantBuffers);
|
|
|
|
BX_TRACE("Input:");
|
|
uint8_t attrMask[Attrib::Count];
|
|
memset(attrMask, 0, sizeof(attrMask) );
|
|
|
|
for (uint32_t ii = 0; ii < desc.InputParameters; ++ii)
|
|
{
|
|
D3D11_SIGNATURE_PARAMETER_DESC spd;
|
|
reflect->GetInputParameterDesc(ii, &spd);
|
|
BX_TRACE("\t%2d: %s%d, %d, %d, %x, %d"
|
|
, ii
|
|
, spd.SemanticName
|
|
, spd.SemanticIndex
|
|
, spd.SystemValueType
|
|
, spd.ComponentType
|
|
, spd.Mask
|
|
, spd.Register
|
|
);
|
|
|
|
const RemapInputSemantic& ris = findInputSemantic(spd.SemanticName, spd.SemanticIndex);
|
|
if (ris.m_attr != Attrib::Count)
|
|
{
|
|
attrMask[ris.m_attr] = 0xff;
|
|
}
|
|
}
|
|
|
|
_stream.write(attrMask, sizeof(attrMask) );
|
|
|
|
BX_TRACE("Output:");
|
|
for (uint32_t ii = 0; ii < desc.OutputParameters; ++ii)
|
|
{
|
|
D3D11_SIGNATURE_PARAMETER_DESC spd;
|
|
reflect->GetOutputParameterDesc(ii, &spd);
|
|
BX_TRACE("\t%2d: %s%d, %d, %d", ii, spd.SemanticName, spd.SemanticIndex, spd.SystemValueType, spd.ComponentType);
|
|
}
|
|
|
|
uint16_t size = 0;
|
|
|
|
for (uint32_t ii = 0; ii < bx::uint32_min(1, desc.ConstantBuffers); ++ii)
|
|
{
|
|
ID3D11ShaderReflectionConstantBuffer* cbuffer = reflect->GetConstantBufferByIndex(ii);
|
|
D3D11_SHADER_BUFFER_DESC bufferDesc;
|
|
hr = cbuffer->GetDesc(&bufferDesc);
|
|
|
|
size = (uint16_t)bufferDesc.Size;
|
|
|
|
if (SUCCEEDED(hr) )
|
|
{
|
|
BX_TRACE("%s, %d, vars %d, size %d"
|
|
, bufferDesc.Name
|
|
, bufferDesc.Type
|
|
, bufferDesc.Variables
|
|
, bufferDesc.Size
|
|
);
|
|
|
|
for (uint32_t jj = 0; jj < bufferDesc.Variables; ++jj)
|
|
{
|
|
ID3D11ShaderReflectionVariable* var = cbuffer->GetVariableByIndex(jj);
|
|
ID3D11ShaderReflectionType* type = var->GetType();
|
|
D3D11_SHADER_VARIABLE_DESC varDesc;
|
|
hr = var->GetDesc(&varDesc);
|
|
if (SUCCEEDED(hr) )
|
|
{
|
|
D3D11_SHADER_TYPE_DESC constDesc;
|
|
hr = type->GetDesc(&constDesc);
|
|
if (SUCCEEDED(hr) )
|
|
{
|
|
ConstantType::Enum type = findConstantTypeDx11(constDesc, varDesc.Size);
|
|
|
|
if (ConstantType::Count != type
|
|
&& 0 != (varDesc.uFlags & D3D_SVF_USED) )
|
|
{
|
|
Uniform un;
|
|
un.name = varDesc.Name;
|
|
un.type = type;
|
|
un.num = constDesc.Elements;
|
|
un.regIndex = varDesc.StartOffset;
|
|
un.regCount = varDesc.Size;
|
|
uniforms.push_back(un);
|
|
|
|
BX_TRACE("\t%s, %d, size %d, flags 0x%08x, %d"
|
|
, varDesc.Name
|
|
, varDesc.StartOffset
|
|
, varDesc.Size
|
|
, varDesc.uFlags
|
|
, type
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
BX_TRACE("Bound:");
|
|
for (uint32_t ii = 0; ii < desc.BoundResources; ++ii)
|
|
{
|
|
D3D11_SHADER_INPUT_BIND_DESC bindDesc;
|
|
|
|
hr = reflect->GetResourceBindingDesc(ii, &bindDesc);
|
|
if (SUCCEEDED(hr) )
|
|
{
|
|
// if (bindDesc.Type == D3D_SIT_SAMPLER)
|
|
{
|
|
BX_TRACE("\t%s, %d, %d, %d"
|
|
, bindDesc.Name
|
|
, bindDesc.Type
|
|
, bindDesc.BindPoint
|
|
, bindDesc.BindCount
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
uint16_t count = (uint16_t)uniforms.size();
|
|
_stream.write(count);
|
|
|
|
_stream.write(size);
|
|
|
|
uint32_t fragmentBit = profile[0] == 'p' ? ConstantType::FragmentBit : 0;
|
|
for (UniformArray::const_iterator it = uniforms.begin(); it != uniforms.end(); ++it)
|
|
{
|
|
const Uniform& un = *it;
|
|
uint8_t nameSize = (uint8_t)un.name.size();
|
|
_stream.write(nameSize);
|
|
_stream.write(un.name.c_str(), nameSize);
|
|
_stream.write<uint8_t>(un.type|fragmentBit);
|
|
_stream.write(un.num);
|
|
_stream.write(un.regIndex);
|
|
_stream.write(un.regCount);
|
|
|
|
BX_TRACE("%s, %s, %d, %d, %d"
|
|
, un.name.c_str()
|
|
, s_constantTypeName[un.type]
|
|
, un.num
|
|
, un.regIndex
|
|
, un.regCount
|
|
);
|
|
}
|
|
|
|
uint16_t shaderSize = (uint16_t)code->GetBufferSize();
|
|
_stream.write(shaderSize);
|
|
_stream.write(code->GetBufferPointer(), shaderSize);
|
|
uint8_t nul = 0;
|
|
_stream.write(nul);
|
|
|
|
if (NULL != reflect)
|
|
{
|
|
reflect->Release();
|
|
}
|
|
|
|
if (NULL != code)
|
|
{
|
|
code->Release();
|
|
}
|
|
|
|
if (NULL != errorMsg)
|
|
{
|
|
errorMsg->Release();
|
|
}
|
|
|
|
return true;
|
|
#else
|
|
fprintf(stderr, "HLSL compiler is not supported on this platform.\n");
|
|
return false;
|
|
#endif // BX_PLATFORM_WINDOWS
|
|
}
|
|
|
|
struct Preprocessor
|
|
{
|
|
Preprocessor(const char* _filePath)
|
|
: m_tagptr(m_tags)
|
|
, m_scratchPos(0)
|
|
, m_fgetsPos(0)
|
|
{
|
|
m_tagptr->tag = FPPTAG_USERDATA;
|
|
m_tagptr->data = this;
|
|
m_tagptr++;
|
|
|
|
m_tagptr->tag = FPPTAG_DEPENDS;
|
|
m_tagptr->data = (void*)fppDepends;
|
|
m_tagptr++;
|
|
|
|
m_tagptr->tag = FPPTAG_INPUT;
|
|
m_tagptr->data = (void*)fppInput;
|
|
m_tagptr++;
|
|
|
|
m_tagptr->tag = FPPTAG_OUTPUT;
|
|
m_tagptr->data = (void*)fppOutput;
|
|
m_tagptr++;
|
|
|
|
m_tagptr->tag = FPPTAG_ERROR;
|
|
m_tagptr->data = (void*)fppError;
|
|
m_tagptr++;
|
|
|
|
m_tagptr->tag = FPPTAG_IGNOREVERSION;
|
|
m_tagptr->data = (void*)0;
|
|
m_tagptr++;
|
|
|
|
m_tagptr->tag = FPPTAG_LINE;
|
|
m_tagptr->data = (void*)0;
|
|
m_tagptr++;
|
|
|
|
m_tagptr->tag = FPPTAG_INPUT_NAME;
|
|
m_tagptr->data = scratch(_filePath);
|
|
m_tagptr++;
|
|
|
|
m_default = "#define lowp\n#define mediump\n#define highp\n";
|
|
}
|
|
|
|
void setDefine(const char* _define)
|
|
{
|
|
m_tagptr->tag = FPPTAG_DEFINE;
|
|
m_tagptr->data = scratch(_define);
|
|
m_tagptr++;
|
|
}
|
|
|
|
void setDefaultDefine(const char* _name)
|
|
{
|
|
char temp[1024];
|
|
_snprintf(temp, countof(temp)
|
|
, "#ifndef %s\n"
|
|
"# define %s 0\n"
|
|
"#endif // %s\n"
|
|
"\n"
|
|
, _name
|
|
, _name
|
|
, _name
|
|
);
|
|
|
|
m_default += temp;
|
|
}
|
|
|
|
void writef(const char* _format, ...)
|
|
{
|
|
va_list argList;
|
|
va_start(argList, _format);
|
|
|
|
char temp[2048];
|
|
int len = vsnprintf(temp, sizeof(temp), _format, argList);
|
|
m_default += temp;
|
|
|
|
va_end(argList);
|
|
}
|
|
|
|
void addDependency(const char* _fileName)
|
|
{
|
|
m_depends += " \\\n ";
|
|
m_depends += _fileName;
|
|
}
|
|
|
|
bool run(const char* _input)
|
|
{
|
|
m_fgetsPos = 0;
|
|
|
|
m_input = m_default;
|
|
m_input += _input;
|
|
|
|
fppTag* tagptr = m_tagptr;
|
|
|
|
tagptr->tag = FPPTAG_END;
|
|
tagptr->data = 0;
|
|
tagptr++;
|
|
|
|
int result = fppPreProcess(m_tags);
|
|
|
|
return 0 == result;
|
|
}
|
|
|
|
char* fgets(char* _buffer, int _size)
|
|
{
|
|
int ii = 0;
|
|
for (char ch = m_input[m_fgetsPos]; m_fgetsPos < m_input.size() && ii < _size-1; ch = m_input[++m_fgetsPos])
|
|
{
|
|
_buffer[ii++] = ch;
|
|
|
|
if (ch == '\n' || ii == _size)
|
|
{
|
|
_buffer[ii] = '\0';
|
|
m_fgetsPos++;
|
|
return _buffer;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void fppDepends(char* _fileName, void* _userData)
|
|
{
|
|
Preprocessor* thisClass = (Preprocessor*)_userData;
|
|
thisClass->addDependency(_fileName);
|
|
}
|
|
|
|
static char* fppInput(char* _buffer, int _size, void* _userData)
|
|
{
|
|
Preprocessor* thisClass = (Preprocessor*)_userData;
|
|
return thisClass->fgets(_buffer, _size);
|
|
}
|
|
|
|
static void fppOutput(int _ch, void* _userData)
|
|
{
|
|
Preprocessor* thisClass = (Preprocessor*)_userData;
|
|
thisClass->m_preprocessed += _ch;
|
|
}
|
|
|
|
static void fppError(void* _userData, char* _format, va_list _vargs)
|
|
{
|
|
vfprintf(stderr, _format, _vargs);
|
|
}
|
|
|
|
char* scratch(const char* _str)
|
|
{
|
|
char* result = &m_scratch[m_scratchPos];
|
|
strcpy(result, _str);
|
|
m_scratchPos += strlen(_str)+1;
|
|
|
|
return result;
|
|
}
|
|
|
|
fppTag m_tags[MAX_TAGS];
|
|
fppTag* m_tagptr;
|
|
|
|
std::string m_depends;
|
|
std::string m_default;
|
|
std::string m_input;
|
|
std::string m_preprocessed;
|
|
char m_scratch[16<<10];
|
|
uint32_t m_scratchPos;
|
|
uint32_t m_fgetsPos;
|
|
};
|
|
|
|
const char* baseName(const char* _filePath)
|
|
{
|
|
const char* bs = strrchr(_filePath, '\\');
|
|
const char* fs = strrchr(_filePath, '/');
|
|
const char* column = strrchr(_filePath, ':');
|
|
const char* basename = std::max(std::max(bs, fs), column);
|
|
if (NULL != basename)
|
|
{
|
|
return basename+1;
|
|
}
|
|
|
|
return _filePath;
|
|
}
|
|
|
|
// OpenGL #version Features Direct3D Features Shader Model
|
|
// 2.1 120 vf 9.0 vf 2.0
|
|
// 3.0 130
|
|
// 3.1 140
|
|
// 3.2 150 vgf
|
|
// 3.3 330 10.0 vgf 4.0
|
|
// 4.0 400 vhdgf
|
|
// 4.1 410
|
|
// 4.2 420 11.0 vhdgf 5.0
|
|
|
|
int main(int _argc, const char* _argv[])
|
|
{
|
|
CommandLine cmdLine(_argc, _argv);
|
|
|
|
const char* filePath = cmdLine.findOption('f');
|
|
if (NULL == filePath)
|
|
{
|
|
fprintf(stderr, "Shader file name must be specified.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
const char* outFilePath = cmdLine.findOption('o');
|
|
if (NULL == outFilePath)
|
|
{
|
|
fprintf(stderr, "Output file name must be specified.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
const char* type = cmdLine.findOption('\0', "type");
|
|
if (NULL == type)
|
|
{
|
|
fprintf(stderr, "Must specify shader type.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
const char* platform = cmdLine.findOption('\0', "platform");
|
|
if (NULL == platform)
|
|
{
|
|
fprintf(stderr, "Must specify platform.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
uint32_t hlsl = 2;
|
|
const char* profile = cmdLine.findOption('p');
|
|
if (NULL != profile)
|
|
{
|
|
if (0 == strncmp(&profile[1], "s_3", 3) )
|
|
{
|
|
hlsl = 3;
|
|
}
|
|
else if (0 == strncmp(&profile[1], "s_4", 3) )
|
|
{
|
|
hlsl = 4;
|
|
}
|
|
else if (0 == strncmp(&profile[1], "s_5", 3) )
|
|
{
|
|
hlsl = 5;
|
|
}
|
|
}
|
|
|
|
const char* bin2c = NULL;
|
|
if (cmdLine.hasArg("bin2c") )
|
|
{
|
|
bin2c = cmdLine.findOption("bin2c");
|
|
if (NULL == bin2c)
|
|
{
|
|
bin2c = baseName(outFilePath);
|
|
uint32_t len = strlen(bin2c);
|
|
char* temp = (char*)alloca(len+1);
|
|
for (char *out = temp; *bin2c != '\0';)
|
|
{
|
|
char ch = *bin2c++;
|
|
if (isalnum(ch) )
|
|
{
|
|
*out++ = ch;
|
|
}
|
|
else
|
|
{
|
|
*out++ = '_';
|
|
}
|
|
}
|
|
temp[len] = '\0';
|
|
|
|
bin2c = temp;
|
|
}
|
|
}
|
|
|
|
bool depends = cmdLine.hasArg("depends");
|
|
bool preprocessOnly = cmdLine.hasArg("preprocess");
|
|
|
|
Preprocessor preprocessor(filePath);
|
|
|
|
preprocessor.setDefaultDefine("BX_PLATFORM_ANDROID");
|
|
preprocessor.setDefaultDefine("BX_PLATFORM_IOS");
|
|
preprocessor.setDefaultDefine("BX_PLATFORM_LINUX");
|
|
preprocessor.setDefaultDefine("BX_PLATFORM_NACL");
|
|
preprocessor.setDefaultDefine("BX_PLATFORM_OSX");
|
|
preprocessor.setDefaultDefine("BX_PLATFORM_WINDOWS");
|
|
preprocessor.setDefaultDefine("BX_PLATFORM_XBOX360");
|
|
preprocessor.setDefaultDefine("BGFX_SHADER_LANGUAGE_GLSL");
|
|
preprocessor.setDefaultDefine("BGFX_SHADER_LANGUAGE_HLSL");
|
|
preprocessor.setDefaultDefine("BGFX_SHADER_TYPE_FRAGMENT");
|
|
preprocessor.setDefaultDefine("BGFX_SHADER_TYPE_VERTEX");
|
|
|
|
bool glsl = false;
|
|
|
|
if (0 == _stricmp(platform, "android") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_ANDROID=1");
|
|
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_GLSL=1");
|
|
glsl = true;
|
|
}
|
|
else if (0 == _stricmp(platform, "ios") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_IOS=1");
|
|
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_GLSL=1");
|
|
glsl = true;
|
|
}
|
|
else if (0 == _stricmp(platform, "linux") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_IOS=1");
|
|
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_GLSL=1");
|
|
glsl = true;
|
|
}
|
|
else if (0 == _stricmp(platform, "nacl") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_NACL=1");
|
|
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_GLSL=1");
|
|
glsl = true;
|
|
}
|
|
else if (0 == _stricmp(platform, "osx") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_OSX=1");
|
|
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_GLSL=1");
|
|
glsl = true;
|
|
}
|
|
else if (0 == _stricmp(platform, "windows") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_WINDOWS=1");
|
|
char temp[256];
|
|
_snprintf(temp, sizeof(temp), "BGFX_SHADER_LANGUAGE_HLSL=%d", hlsl);
|
|
preprocessor.setDefine(temp);
|
|
}
|
|
else if (0 == _stricmp(platform, "xbox360") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_XBOX360=1");
|
|
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_HLSL=3");
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, "Unknown platform %s?!", platform);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
preprocessor.setDefine("M_PI=3.1415926535897932384626433832795");
|
|
|
|
bool fragment = false;
|
|
switch (tolower(type[0]) )
|
|
{
|
|
case 'f':
|
|
preprocessor.setDefine("BGFX_SHADER_TYPE_FRAGMENT=1");
|
|
fragment = true;
|
|
break;
|
|
|
|
case 'v':
|
|
preprocessor.setDefine("BGFX_SHADER_TYPE_VERTEX=1");
|
|
break;
|
|
|
|
default:
|
|
fprintf(stderr, "Unknown type: %s?!", type);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
FILE* file = fopen(filePath, "r");
|
|
if (NULL != file)
|
|
{
|
|
VaryingMap varyingMap;
|
|
|
|
File attribdef("varying.def.sc");
|
|
const char* parse = attribdef.getData();
|
|
while (NULL != parse
|
|
&& *parse != '\0')
|
|
{
|
|
parse = strws(parse);
|
|
const char* eol = strchr(parse, ';');
|
|
if (NULL != eol)
|
|
{
|
|
const char* type = parse;
|
|
const char* name = parse = strws(strword(parse) );
|
|
const char* column = parse = strws(strword(parse) );
|
|
const char* semantics = parse = strws(strnws(parse) );
|
|
const char* assign = parse = strws(strword(parse) );
|
|
const char* init = parse = strws(strnws(parse) );
|
|
|
|
if (type < eol
|
|
&& name < eol
|
|
&& column < eol
|
|
&& ':' == *column
|
|
&& semantics < eol)
|
|
{
|
|
Varying var;
|
|
var.m_type.assign(type, strword(type)-type);
|
|
var.m_name.assign(name, strword(name)-name);
|
|
var.m_semantics.assign(semantics, strword(semantics)-semantics);
|
|
|
|
if (assign < eol
|
|
&& '=' == *assign
|
|
&& init < eol)
|
|
{
|
|
var.m_init.assign(init, eol-init);
|
|
}
|
|
|
|
varyingMap.insert(std::make_pair(var.m_name, var) );
|
|
}
|
|
|
|
parse = eol + 1;
|
|
}
|
|
}
|
|
|
|
const size_t padding = 16;
|
|
long int size = fsize(file);
|
|
char* data = new char[size+padding];
|
|
size = fread(data, 1, size, file);
|
|
memset(&data[size], 0, padding);
|
|
fclose(file);
|
|
|
|
typedef std::vector<std::string> InOut;
|
|
InOut shaderInputs;
|
|
InOut shaderOutputs;
|
|
|
|
const char* input = data;
|
|
while (input[0] == '$')
|
|
{
|
|
const char* str = input+1;
|
|
const char* eol = streol(str);
|
|
const char* nl = strnl(eol);
|
|
input = nl;
|
|
|
|
if (0 == strncmp(str, "input", 5) )
|
|
{
|
|
str += 5;
|
|
str = strws(str);
|
|
|
|
if (str < eol)
|
|
{
|
|
const char* delim;
|
|
do
|
|
{
|
|
delim = strpbrk(str, " ,");
|
|
if (NULL != delim)
|
|
{
|
|
delim = delim > eol ? eol : delim;
|
|
std::string token;
|
|
token.assign(str, delim-str);
|
|
shaderInputs.push_back(token);
|
|
str = strws(delim + 1);
|
|
}
|
|
}
|
|
while (delim < eol && NULL != delim);
|
|
}
|
|
}
|
|
else if (0 == strncmp(str, "output", 6) )
|
|
{
|
|
str += 6;
|
|
str = strws(str);
|
|
|
|
if (str < eol)
|
|
{
|
|
const char* delim;
|
|
do
|
|
{
|
|
delim = strpbrk(str, " ,");
|
|
if (NULL != delim)
|
|
{
|
|
delim = delim > eol ? eol : delim;
|
|
std::string token;
|
|
token.assign(str, delim-str);
|
|
shaderOutputs.push_back(token);
|
|
str = strws(delim + 1);
|
|
}
|
|
}
|
|
while (delim < eol && NULL != delim);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (glsl)
|
|
{
|
|
for (InOut::const_iterator it = shaderInputs.begin(), itEnd = shaderInputs.end(); it != itEnd; ++it)
|
|
{
|
|
VaryingMap::const_iterator varyingIt = varyingMap.find(*it);
|
|
if (varyingIt != varyingMap.end() )
|
|
{
|
|
const Varying& var = varyingIt->second;
|
|
const char* name = var.m_name.c_str();
|
|
if (0 == strncmp(name, "a_", 2) )
|
|
{
|
|
preprocessor.writef("attribute %s %s;\n", var.m_type.c_str(), name);
|
|
}
|
|
else
|
|
{
|
|
preprocessor.writef("varying %s %s;\n", var.m_type.c_str(), name);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (InOut::const_iterator it = shaderOutputs.begin(), itEnd = shaderOutputs.end(); it != itEnd; ++it)
|
|
{
|
|
VaryingMap::const_iterator varyingIt = varyingMap.find(*it);
|
|
if (varyingIt != varyingMap.end() )
|
|
{
|
|
const Varying& var = varyingIt->second;
|
|
preprocessor.writef("varying %s %s;\n", var.m_type.c_str(), var.m_name.c_str() );
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
preprocessor.writef(
|
|
"#define lowp\n"
|
|
"#define mediump\n"
|
|
"#define highp\n"
|
|
"#define vec2 float2\n"
|
|
"#define vec3 float3\n"
|
|
"#define vec4 float4\n"
|
|
"#define mat2 float2x2\n"
|
|
"#define mat3 float3x3\n"
|
|
"#define mat4 float4x4\n"
|
|
);
|
|
|
|
char* entry = strstr(data, "void main()");
|
|
if (NULL != entry)
|
|
{
|
|
entry[4] = '_';
|
|
|
|
const char* brace = strstr(entry, "{");
|
|
if (NULL != brace)
|
|
{
|
|
const char* end = strmb(brace, '{', '}');
|
|
if (NULL != end)
|
|
{
|
|
strins(const_cast<char*>(end), "__RETURN__;\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (fragment)
|
|
{
|
|
preprocessor.writef("#define void_main() \\\n");
|
|
preprocessor.writef("\tvec4 main(vec4 gl_FragCoord : SV_POSITION \\\n");
|
|
for (InOut::const_iterator it = shaderInputs.begin(), itEnd = shaderInputs.end(); it != itEnd; ++it)
|
|
{
|
|
VaryingMap::const_iterator varyingIt = varyingMap.find(*it);
|
|
if (varyingIt != varyingMap.end() )
|
|
{
|
|
const Varying& var = varyingIt->second;
|
|
preprocessor.writef("\t, %s %s : %s \\\n", var.m_type.c_str(), var.m_name.c_str(), var.m_semantics.c_str() );
|
|
}
|
|
}
|
|
preprocessor.writef(
|
|
") : SV_TARGET \\\n"
|
|
"{ \\\n"
|
|
"\tvec4 gl_FragColor;\n"
|
|
"#define __RETURN__ \\\n"
|
|
"\t} \\\n"
|
|
"\treturn gl_FragColor"
|
|
);
|
|
}
|
|
else
|
|
{
|
|
preprocessor.writef(
|
|
"struct Output\n"
|
|
"{\n"
|
|
"\tvec4 gl_Position : SV_POSITION;\n"
|
|
"#define gl_Position _varying_.gl_Position\n"
|
|
);
|
|
for (InOut::const_iterator it = shaderOutputs.begin(), itEnd = shaderOutputs.end(); it != itEnd; ++it)
|
|
{
|
|
VaryingMap::const_iterator varyingIt = varyingMap.find(*it);
|
|
if (varyingIt != varyingMap.end() )
|
|
{
|
|
const Varying& var = varyingIt->second;
|
|
preprocessor.writef("\t%s %s : %s;\n", var.m_type.c_str(), var.m_name.c_str(), var.m_semantics.c_str() );
|
|
preprocessor.writef("#define %s _varying_.%s\n", var.m_name.c_str(), var.m_name.c_str() );
|
|
}
|
|
}
|
|
preprocessor.writef(
|
|
"};\n"
|
|
);
|
|
|
|
preprocessor.writef("#define void_main() \\\n");
|
|
preprocessor.writef("Output main(");
|
|
bool first = true;
|
|
for (InOut::const_iterator it = shaderInputs.begin(), itEnd = shaderInputs.end(); it != itEnd; ++it)
|
|
{
|
|
VaryingMap::const_iterator varyingIt = varyingMap.find(*it);
|
|
if (varyingIt != varyingMap.end() )
|
|
{
|
|
const Varying& var = varyingIt->second;
|
|
preprocessor.writef("%s%s %s : %s\\\n", first ? "" : "\t, ", var.m_type.c_str(), var.m_name.c_str(), var.m_semantics.c_str() );
|
|
first = false;
|
|
}
|
|
}
|
|
preprocessor.writef(
|
|
") \\\n"
|
|
"{ \\\n"
|
|
"\tOutput _varying_;"
|
|
);
|
|
|
|
for (InOut::const_iterator it = shaderOutputs.begin(), itEnd = shaderOutputs.end(); it != itEnd; ++it)
|
|
{
|
|
VaryingMap::const_iterator varyingIt = varyingMap.find(*it);
|
|
if (varyingIt != varyingMap.end() )
|
|
{
|
|
const Varying& var = varyingIt->second;
|
|
preprocessor.writef(" \\\n\t%s = %s;", var.m_name.c_str(), var.m_init.c_str() );
|
|
}
|
|
}
|
|
|
|
preprocessor.writef(
|
|
"\n#define __RETURN__ \\\n"
|
|
"\t} \\\n"
|
|
"\treturn _varying_"
|
|
);
|
|
}
|
|
}
|
|
|
|
if (preprocessor.run(input) )
|
|
{
|
|
BX_TRACE("Input file: %s", filePath);
|
|
BX_TRACE("Output file: %s", outFilePath);
|
|
|
|
if (preprocessOnly)
|
|
{
|
|
FileWriter stream(outFilePath);
|
|
|
|
if (!stream.open() )
|
|
{
|
|
fprintf(stderr, "Unable to open output file '%s'.", outFilePath);
|
|
return false;
|
|
}
|
|
|
|
if (glsl)
|
|
{
|
|
const char* profile = cmdLine.findOption('p');
|
|
if (NULL == profile)
|
|
{
|
|
stream.write("#ifdef GL_ES\n");
|
|
stream.write("precision highp float;\n");
|
|
stream.write("#endif // GL_ES\n\n");
|
|
}
|
|
else
|
|
{
|
|
stream.writef("#version %s\n\n", profile);
|
|
}
|
|
}
|
|
stream.write(preprocessor.m_preprocessed.c_str(), preprocessor.m_preprocessed.size() );
|
|
stream.close();
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
bool compiled = false;
|
|
|
|
{
|
|
IStreamWriter* stream = NULL;
|
|
|
|
if (NULL != bin2c)
|
|
{
|
|
stream = new Bin2cStream(outFilePath, bin2c);
|
|
}
|
|
else
|
|
{
|
|
stream = new FileWriter(outFilePath);
|
|
}
|
|
|
|
if (!stream->open() )
|
|
{
|
|
fprintf(stderr, "Unable to open output file '%s'.", outFilePath);
|
|
return false;
|
|
}
|
|
|
|
if (glsl)
|
|
{
|
|
compiled = compileGLSLShader(cmdLine, preprocessor.m_preprocessed, *stream);
|
|
}
|
|
else
|
|
{
|
|
if (hlsl > 3)
|
|
{
|
|
compiled = compileHLSLShaderDx11(cmdLine, preprocessor.m_preprocessed, *stream);
|
|
}
|
|
else
|
|
{
|
|
compiled = compileHLSLShaderDx9(cmdLine, preprocessor.m_preprocessed, *stream);
|
|
}
|
|
}
|
|
|
|
#if SHADERC_DEBUG
|
|
stream->writeString(filePath);
|
|
#endif // SHADERC_DEBUG
|
|
|
|
stream->close();
|
|
delete stream;
|
|
}
|
|
|
|
if (compiled)
|
|
{
|
|
if (depends)
|
|
{
|
|
std::string ofp = outFilePath;
|
|
ofp += ".d";
|
|
FileWriter stream(ofp.c_str() );
|
|
if (stream.open() )
|
|
{
|
|
stream.write(outFilePath);
|
|
stream.write(":");
|
|
stream.write(preprocessor.m_depends.c_str() );
|
|
stream.write("\n");
|
|
stream.close();
|
|
}
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
}
|
|
|
|
delete [] data;
|
|
}
|
|
|
|
fprintf(stderr, "Failed to build shader.\n");
|
|
return EXIT_FAILURE;
|
|
}
|