mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-28 10:35:43 -05:00
1841 lines
43 KiB
C++
1841 lines
43 KiB
C++
/*
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* Copyright 2011-2016 Branimir Karadzic. All rights reserved.
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* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
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*/
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#include "shaderc.h"
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#include <bx/tokenizecmd.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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namespace bgfx
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{
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bool g_verbose = false;
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#define BGFX_CHUNK_MAGIC_CSH BX_MAKEFOURCC('C', 'S', 'H', 0x2)
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#define BGFX_CHUNK_MAGIC_FSH BX_MAKEFOURCC('F', 'S', 'H', 0x4)
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#define BGFX_CHUNK_MAGIC_VSH BX_MAKEFOURCC('V', 'S', 'H', 0x4)
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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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static const char* s_ARB_shader_texture_lod[] =
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{
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"texture2DLod",
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"texture2DProjLod",
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"texture3DLod",
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"texture3DProjLod",
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"textureCubeLod",
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"shadow2DLod",
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"shadow2DProjLod",
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NULL
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// "texture1DLod",
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// "texture1DProjLod",
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// "shadow1DLod",
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// "shadow1DProjLod",
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};
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static const char* s_EXT_shadow_samplers[] =
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{
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"shadow2D",
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"shadow2DProj",
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"sampler2DShadow",
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NULL
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};
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static const char* s_OES_standard_derivatives[] =
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{
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"dFdx",
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"dFdy",
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"fwidth",
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NULL
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};
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static const char* s_OES_texture_3D[] =
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{
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"texture3D",
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"texture3DProj",
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"texture3DLod",
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"texture3DProjLod",
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NULL
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};
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static const char* s_130[] =
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{
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"uint",
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"uint2",
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"uint3",
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"uint4",
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"isampler3D",
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"usampler3D",
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NULL
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};
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const char* s_uniformTypeName[UniformType::Count] =
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{
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"int",
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NULL,
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"vec4",
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"mat3",
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"mat4",
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};
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const char* interpolationDx11(const char* _glsl)
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{
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if (0 == strcmp(_glsl, "smooth") )
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{
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return "linear";
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}
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else if (0 == strcmp(_glsl, "flat") )
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{
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return "nointerpolation";
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}
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return _glsl; // noperspective
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}
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const char* getUniformTypeName(UniformType::Enum _enum)
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{
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return s_uniformTypeName[_enum];
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}
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UniformType::Enum nameToUniformTypeEnum(const char* _name)
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{
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for (uint32_t ii = 0; ii < UniformType::Count; ++ii)
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{
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if (NULL != s_uniformTypeName[ii]
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&& 0 == strcmp(_name, s_uniformTypeName[ii]) )
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{
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return UniformType::Enum(ii);
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}
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}
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return UniformType::Count;
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}
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int32_t writef(bx::WriterI* _writer, 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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char* out = temp;
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int32_t max = sizeof(temp);
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int32_t len = bx::vsnprintf(out, max, _format, argList);
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if (len > max)
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{
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out = (char*)alloca(len);
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len = bx::vsnprintf(out, len, _format, argList);
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}
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len = bx::write(_writer, out, len);
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va_end(argList);
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return len;
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}
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class Bin2cWriter : public bx::CrtFileWriter
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{
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public:
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Bin2cWriter(const char* _name)
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: m_name(_name)
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{
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}
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virtual ~Bin2cWriter()
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{
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}
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virtual void close() BX_OVERRIDE
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{
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generate();
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return bx::CrtFileWriter::close();
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}
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virtual int32_t write(const void* _data, int32_t _size, bx::Error*) BX_OVERRIDE
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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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return _size;
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}
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private:
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void generate()
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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 = (uint32_t)m_buffer.size();
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outf("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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bx::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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outf("\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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outf("\t" HEX_DUMP_FORMAT "// %s\n", hex, ascii);
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}
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}
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outf("};\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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}
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int32_t outf(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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char* out = temp;
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int32_t max = sizeof(temp);
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int32_t len = bx::vsnprintf(out, max, _format, argList);
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if (len > max)
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{
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out = (char*)alloca(len);
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len = bx::vsnprintf(out, len, _format, argList);
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}
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bx::Error err;
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int32_t size = bx::CrtFileWriter::write(out, len, &err);
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va_end(argList);
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return size;
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}
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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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};
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struct Varying
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{
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std::string m_precision;
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std::string m_interpolation;
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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 = (uint32_t)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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uint32_t 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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uint32_t m_size;
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};
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void strInsert(char* _str, const char* _insert)
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{
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size_t len = strlen(_insert);
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memmove(&_str[len], _str, strlen(_str) );
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memcpy(_str, _insert, len);
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}
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void strReplace(char* _str, const char* _find, const char* _replace)
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{
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const size_t len = strlen(_find);
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char* replace = (char*)alloca(len+1);
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bx::strlcpy(replace, _replace, len+1);
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for (size_t ii = strlen(replace); ii < len; ++ii)
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{
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replace[ii] = ' ';
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}
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replace[len] = '\0';
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BX_CHECK(len >= strlen(_replace), "");
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for (char* ptr = strstr(_str, _find); NULL != ptr; ptr = strstr(ptr + len, _find) )
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{
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memcpy(ptr, replace, len);
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}
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}
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void strNormalizeEol(char* _str)
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{
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strReplace(_str, "\r\n", "\n");
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strReplace(_str, "\r", "\n");
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}
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void printCode(const char* _code, int32_t _line, int32_t _start, int32_t _end)
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{
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fprintf(stderr, "Code:\n---\n");
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LineReader lr(_code);
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for (int32_t line = 1; !lr.isEof() && line < _end; ++line)
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{
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if (line >= _start)
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{
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fprintf(stderr, "%s%3d: %s", _line == line ? ">>> " : " ", line, lr.getLine().c_str() );
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}
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else
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{
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lr.skipLine();
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}
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}
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fprintf(stderr, "---\n");
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}
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void writeFile(const char* _filePath, const void* _data, int32_t _size)
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{
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bx::CrtFileWriter out;
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if (bx::open(&out, _filePath) )
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{
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bx::write(&out, _data, _size);
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bx::close(&out);
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}
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}
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struct Preprocessor
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{
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Preprocessor(const char* _filePath, bool _gles, const char* _includeDir = NULL)
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: m_tagptr(m_tags)
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, m_scratchPos(0)
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, m_fgetsPos(0)
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{
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m_tagptr->tag = FPPTAG_USERDATA;
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m_tagptr->data = this;
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m_tagptr++;
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m_tagptr->tag = FPPTAG_DEPENDS;
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m_tagptr->data = (void*)fppDepends;
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m_tagptr++;
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m_tagptr->tag = FPPTAG_INPUT;
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m_tagptr->data = (void*)fppInput;
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m_tagptr++;
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m_tagptr->tag = FPPTAG_OUTPUT;
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m_tagptr->data = (void*)fppOutput;
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m_tagptr++;
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m_tagptr->tag = FPPTAG_ERROR;
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m_tagptr->data = (void*)fppError;
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m_tagptr++;
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m_tagptr->tag = FPPTAG_IGNOREVERSION;
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m_tagptr->data = (void*)0;
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m_tagptr++;
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m_tagptr->tag = FPPTAG_LINE;
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m_tagptr->data = (void*)0;
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m_tagptr++;
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m_tagptr->tag = FPPTAG_INPUT_NAME;
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m_tagptr->data = scratch(_filePath);
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m_tagptr++;
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if (NULL != _includeDir)
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{
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addInclude(_includeDir);
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}
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if (!_gles)
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{
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m_default = "#define lowp\n#define mediump\n#define highp\n";
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}
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}
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void setDefine(const char* _define)
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{
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m_tagptr->tag = FPPTAG_DEFINE;
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m_tagptr->data = scratch(_define);
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m_tagptr++;
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}
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void setDefaultDefine(const char* _name)
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{
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char temp[1024];
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bx::snprintf(temp, BX_COUNTOF(temp)
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, "#ifndef %s\n"
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"# define %s 0\n"
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"#endif // %s\n"
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"\n"
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, _name
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, _name
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, _name
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);
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m_default += temp;
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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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bx::stringPrintfVargs(m_default, _format, argList);
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va_end(argList);
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}
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void addInclude(const char* _includeDir)
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{
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char* start = scratch(_includeDir);
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for (char* split = strchr(start, ';'); NULL != split; split = strchr(start, ';') )
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{
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*split = '\0';
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m_tagptr->tag = FPPTAG_INCLUDE_DIR;
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m_tagptr->data = start;
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m_tagptr++;
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start = split + 1;
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}
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m_tagptr->tag = FPPTAG_INCLUDE_DIR;
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m_tagptr->data = start;
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m_tagptr++;
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}
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void addDependency(const char* _fileName)
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{
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m_depends += " \\\n ";
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m_depends += _fileName;
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}
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bool run(const char* _input)
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{
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m_fgetsPos = 0;
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m_preprocessed.clear();
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m_input = m_default;
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m_input += "\n\n";
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size_t len = strlen(_input)+1;
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char* temp = new char[len];
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bx::eolLF(temp, len, _input);
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m_input += temp;
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delete [] temp;
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fppTag* tagptr = m_tagptr;
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tagptr->tag = FPPTAG_END;
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tagptr->data = 0;
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tagptr++;
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int result = fppPreProcess(m_tags);
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return 0 == result;
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}
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char* fgets(char* _buffer, int _size)
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{
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int ii = 0;
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for (char ch = m_input[m_fgetsPos]; m_fgetsPos < m_input.size() && ii < _size-1; ch = m_input[++m_fgetsPos])
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{
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_buffer[ii++] = ch;
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if (ch == '\n' || ii == _size)
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{
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_buffer[ii] = '\0';
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m_fgetsPos++;
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return _buffer;
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}
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}
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return NULL;
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}
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static void fppDepends(char* _fileName, void* _userData)
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{
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Preprocessor* thisClass = (Preprocessor*)_userData;
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thisClass->addDependency(_fileName);
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}
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static char* fppInput(char* _buffer, int _size, void* _userData)
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{
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Preprocessor* thisClass = (Preprocessor*)_userData;
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return thisClass->fgets(_buffer, _size);
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}
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static void fppOutput(int _ch, void* _userData)
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{
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Preprocessor* thisClass = (Preprocessor*)_userData;
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thisClass->m_preprocessed += _ch;
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}
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static void fppError(void* /*_userData*/, char* _format, va_list _vargs)
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{
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vfprintf(stderr, _format, _vargs);
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}
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char* scratch(const char* _str)
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{
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char* result = &m_scratch[m_scratchPos];
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strcpy(result, _str);
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m_scratchPos += (uint32_t)strlen(_str)+1;
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return result;
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}
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fppTag m_tags[MAX_TAGS];
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fppTag* m_tagptr;
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std::string m_depends;
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std::string m_default;
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std::string m_input;
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std::string m_preprocessed;
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char m_scratch[16<<10];
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uint32_t m_scratchPos;
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uint32_t m_fgetsPos;
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};
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typedef std::vector<std::string> InOut;
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uint32_t parseInOut(InOut& _inout, const char* _str, const char* _eol)
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{
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uint32_t hash = 0;
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_str = bx::strws(_str);
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|
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if (_str < _eol)
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{
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const char* delim;
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do
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{
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delim = strpbrk(_str, " ,");
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if (NULL != delim)
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{
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delim = delim > _eol ? _eol : delim;
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std::string token;
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token.assign(_str, delim-_str);
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_inout.push_back(token);
|
|
_str = bx::strws(delim + 1);
|
|
}
|
|
}
|
|
while (delim < _eol && _str < _eol && NULL != delim);
|
|
|
|
std::sort(_inout.begin(), _inout.end() );
|
|
|
|
bx::HashMurmur2A murmur;
|
|
murmur.begin();
|
|
for (InOut::const_iterator it = _inout.begin(), itEnd = _inout.end(); it != itEnd; ++it)
|
|
{
|
|
murmur.add(it->c_str(), (uint32_t)it->size() );
|
|
}
|
|
hash = murmur.end();
|
|
}
|
|
|
|
return hash;
|
|
}
|
|
|
|
void addFragData(Preprocessor& _preprocessor, char* _data, uint32_t _idx, bool _comma)
|
|
{
|
|
char find[32];
|
|
bx::snprintf(find, sizeof(find), "gl_FragData[%d]", _idx);
|
|
|
|
char replace[32];
|
|
bx::snprintf(replace, sizeof(replace), "gl_FragData_%d_", _idx);
|
|
|
|
strReplace(_data, find, replace);
|
|
|
|
_preprocessor.writef(
|
|
" \\\n\t%sout vec4 gl_FragData_%d_ : SV_TARGET%d"
|
|
, _comma ? ", " : " "
|
|
, _idx
|
|
, _idx
|
|
);
|
|
}
|
|
|
|
void voidFragData(char* _data, uint32_t _idx)
|
|
{
|
|
char find[32];
|
|
bx::snprintf(find, sizeof(find), "gl_FragData[%d]", _idx);
|
|
|
|
strReplace(_data, find, "bgfx_VoidFrag");
|
|
}
|
|
|
|
// c - compute
|
|
// d - domain
|
|
// f - fragment
|
|
// g - geometry
|
|
// h - hull
|
|
// v - vertex
|
|
//
|
|
// 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+c 5.0
|
|
// 4.3 430 vhdgf+c
|
|
// 4.4 440
|
|
|
|
void help(const char* _error = NULL)
|
|
{
|
|
if (NULL != _error)
|
|
{
|
|
fprintf(stderr, "Error:\n%s\n\n", _error);
|
|
}
|
|
|
|
fprintf(stderr
|
|
, "shaderc, bgfx shader compiler tool\n"
|
|
"Copyright 2011-2016 Branimir Karadzic. All rights reserved.\n"
|
|
"License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause\n\n"
|
|
);
|
|
|
|
fprintf(stderr
|
|
, "Usage: shaderc -f <in> -o <out> --type <v/f> --platform <platform>\n"
|
|
|
|
"\n"
|
|
"Options:\n"
|
|
" -f <file path> Input file path.\n"
|
|
" -i <include path> Include path (for multiple paths use semicolon).\n"
|
|
" -o <file path> Output file path.\n"
|
|
" --bin2c <file path> Generate C header file.\n"
|
|
" --depends Generate makefile style depends file.\n"
|
|
" --platform <platform> Target platform.\n"
|
|
" android\n"
|
|
" asm.js\n"
|
|
" ios\n"
|
|
" linux\n"
|
|
" nacl\n"
|
|
" osx\n"
|
|
" windows\n"
|
|
" --preprocess Preprocess only.\n"
|
|
" --define <defines> Add defines to preprocessor (semicolon separated).\n"
|
|
" --raw Do not process shader. No preprocessor, and no glsl-optimizer (GLSL only).\n"
|
|
" --type <type> Shader type (vertex, fragment)\n"
|
|
" --varyingdef <file path> Path to varying.def.sc file.\n"
|
|
" --verbose Verbose.\n"
|
|
|
|
"\n"
|
|
"Options (DX9 and DX11 only):\n"
|
|
|
|
"\n"
|
|
" --debug Debug information.\n"
|
|
" --disasm Disassemble compiled shader.\n"
|
|
" -p, --profile <profile> Shader model (f.e. ps_3_0).\n"
|
|
" -O <level> Optimization level (0, 1, 2, 3).\n"
|
|
" --Werror Treat warnings as errors.\n"
|
|
|
|
"\n"
|
|
"For additional information, see https://github.com/bkaradzic/bgfx\n"
|
|
);
|
|
}
|
|
|
|
int compileShader(int _argc, const char* _argv[])
|
|
{
|
|
bx::CommandLine cmdLine(_argc, _argv);
|
|
|
|
if (cmdLine.hasArg('h', "help") )
|
|
{
|
|
help();
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
g_verbose = cmdLine.hasArg("verbose");
|
|
|
|
const char* filePath = cmdLine.findOption('f');
|
|
if (NULL == filePath)
|
|
{
|
|
help("Shader file name must be specified.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
const char* outFilePath = cmdLine.findOption('o');
|
|
if (NULL == outFilePath)
|
|
{
|
|
help("Output file name must be specified.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
const char* type = cmdLine.findOption('\0', "type");
|
|
if (NULL == type)
|
|
{
|
|
help("Must specify shader type.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
const char* platform = cmdLine.findOption('\0', "platform");
|
|
if (NULL == platform)
|
|
{
|
|
help("Must specify platform.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
bool raw = cmdLine.hasArg('\0', "raw");
|
|
|
|
uint32_t glsl = 0;
|
|
uint32_t essl = 0;
|
|
uint32_t hlsl = 2;
|
|
uint32_t d3d = 11;
|
|
uint32_t metal = 0;
|
|
const char* profile = cmdLine.findOption('p', "profile");
|
|
if (NULL != profile)
|
|
{
|
|
if (0 == strncmp(&profile[1], "s_4_0_level", 11) )
|
|
{
|
|
hlsl = 2;
|
|
}
|
|
else if (0 == strncmp(&profile[1], "s_3", 3) )
|
|
{
|
|
hlsl = 3;
|
|
d3d = 9;
|
|
}
|
|
else if (0 == strncmp(&profile[1], "s_4", 3) )
|
|
{
|
|
hlsl = 4;
|
|
}
|
|
else if (0 == strncmp(&profile[1], "s_5", 3) )
|
|
{
|
|
hlsl = 5;
|
|
}
|
|
else if (0 == strcmp(profile, "metal") )
|
|
{
|
|
metal = 1;
|
|
}
|
|
else
|
|
{
|
|
glsl = atoi(profile);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
essl = 2;
|
|
}
|
|
|
|
const char* bin2c = NULL;
|
|
if (cmdLine.hasArg("bin2c") )
|
|
{
|
|
bin2c = cmdLine.findOption("bin2c");
|
|
if (NULL == bin2c)
|
|
{
|
|
bin2c = bx::baseName(outFilePath);
|
|
uint32_t len = (uint32_t)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");
|
|
const char* includeDir = cmdLine.findOption('i');
|
|
|
|
Preprocessor preprocessor(filePath, 0 != essl, includeDir);
|
|
|
|
std::string dir;
|
|
{
|
|
const char* base = bx::baseName(filePath);
|
|
|
|
if (base != filePath)
|
|
{
|
|
dir.assign(filePath, base-filePath);
|
|
preprocessor.addInclude(dir.c_str() );
|
|
}
|
|
}
|
|
|
|
const char* defines = cmdLine.findOption("define");
|
|
while (NULL != defines
|
|
&& '\0' != *defines)
|
|
{
|
|
defines = bx::strws(defines);
|
|
const char* eol = strchr(defines, ';');
|
|
if (NULL == eol)
|
|
{
|
|
eol = defines + strlen(defines);
|
|
}
|
|
std::string define(defines, eol);
|
|
preprocessor.setDefine(define.c_str() );
|
|
defines = ';' == *eol ? eol+1 : eol;
|
|
}
|
|
|
|
preprocessor.setDefaultDefine("BX_PLATFORM_ANDROID");
|
|
preprocessor.setDefaultDefine("BX_PLATFORM_EMSCRIPTEN");
|
|
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_ESSL");
|
|
preprocessor.setDefaultDefine("BGFX_SHADER_LANGUAGE_GLSL");
|
|
preprocessor.setDefaultDefine("BGFX_SHADER_LANGUAGE_HLSL");
|
|
preprocessor.setDefaultDefine("BGFX_SHADER_LANGUAGE_METAL");
|
|
preprocessor.setDefaultDefine("BGFX_SHADER_TYPE_COMPUTE");
|
|
preprocessor.setDefaultDefine("BGFX_SHADER_TYPE_FRAGMENT");
|
|
preprocessor.setDefaultDefine("BGFX_SHADER_TYPE_VERTEX");
|
|
|
|
char glslDefine[128];
|
|
bx::snprintf(glslDefine, BX_COUNTOF(glslDefine), "BGFX_SHADER_LANGUAGE_GLSL=%d", essl ? 1 : glsl);
|
|
|
|
if (0 == bx::stricmp(platform, "android") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_ANDROID=1");
|
|
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_GLSL=1");
|
|
}
|
|
else if (0 == bx::stricmp(platform, "asm.js") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_EMSCRIPTEN=1");
|
|
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_GLSL=1");
|
|
}
|
|
else if (0 == bx::stricmp(platform, "ios") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_IOS=1");
|
|
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_GLSL=1");
|
|
}
|
|
else if (0 == bx::stricmp(platform, "linux") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_LINUX=1");
|
|
preprocessor.setDefine(glslDefine);
|
|
}
|
|
else if (0 == bx::stricmp(platform, "nacl") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_NACL=1");
|
|
preprocessor.setDefine("BGFX_SHADER_LANGUAGE_GLSL=1");
|
|
}
|
|
else if (0 == bx::stricmp(platform, "osx") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_OSX=1");
|
|
preprocessor.setDefine(glslDefine);
|
|
char temp[256];
|
|
bx::snprintf(temp, sizeof(temp), "BGFX_SHADER_LANGUAGE_METAL=%d", metal);
|
|
preprocessor.setDefine(temp);
|
|
}
|
|
else if (0 == bx::stricmp(platform, "windows") )
|
|
{
|
|
preprocessor.setDefine("BX_PLATFORM_WINDOWS=1");
|
|
char temp[256];
|
|
bx::snprintf(temp, sizeof(temp), "BGFX_SHADER_LANGUAGE_HLSL=%d", hlsl);
|
|
preprocessor.setDefine(temp);
|
|
}
|
|
else if (0 == bx::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");
|
|
|
|
char shaderType = tolower(type[0]);
|
|
switch (shaderType)
|
|
{
|
|
case 'c':
|
|
preprocessor.setDefine("BGFX_SHADER_TYPE_COMPUTE=1");
|
|
break;
|
|
|
|
case 'f':
|
|
preprocessor.setDefine("BGFX_SHADER_TYPE_FRAGMENT=1");
|
|
break;
|
|
|
|
case 'v':
|
|
preprocessor.setDefine("BGFX_SHADER_TYPE_VERTEX=1");
|
|
break;
|
|
|
|
default:
|
|
fprintf(stderr, "Unknown type: %s?!", type);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
bool compiled = false;
|
|
|
|
FILE* file = fopen(filePath, "r");
|
|
if (NULL == file)
|
|
{
|
|
fprintf(stderr, "Unable to open file '%s'.\n", filePath);
|
|
}
|
|
else
|
|
{
|
|
VaryingMap varyingMap;
|
|
|
|
std::string defaultVarying = dir + "varying.def.sc";
|
|
const char* varyingdef = cmdLine.findOption("varyingdef", defaultVarying.c_str() );
|
|
File attribdef(varyingdef);
|
|
const char* parse = attribdef.getData();
|
|
if (NULL != parse
|
|
&& *parse != '\0')
|
|
{
|
|
preprocessor.addDependency(varyingdef);
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, "ERROR: Failed to parse varying def file: \"%s\" No input/output semantics will be generated in the code!\n", varyingdef);
|
|
}
|
|
|
|
while (NULL != parse
|
|
&& *parse != '\0')
|
|
{
|
|
parse = bx::strws(parse);
|
|
const char* eol = strchr(parse, ';');
|
|
if (NULL == eol)
|
|
{
|
|
eol = bx::streol(parse);
|
|
}
|
|
|
|
if (NULL != eol)
|
|
{
|
|
const char* precision = NULL;
|
|
const char* interpolation = NULL;
|
|
const char* typen = parse;
|
|
|
|
if (0 == strncmp(typen, "lowp", 4)
|
|
|| 0 == strncmp(typen, "mediump", 7)
|
|
|| 0 == strncmp(typen, "highp", 5) )
|
|
{
|
|
precision = typen;
|
|
typen = parse = bx::strws(bx::strword(parse) );
|
|
}
|
|
|
|
if (0 == strncmp(typen, "flat", 4)
|
|
|| 0 == strncmp(typen, "smooth", 6)
|
|
|| 0 == strncmp(typen, "noperspective", 13) )
|
|
{
|
|
interpolation = typen;
|
|
typen = parse = bx::strws(bx::strword(parse) );
|
|
}
|
|
|
|
const char* name = parse = bx::strws(bx::strword(parse) );
|
|
const char* column = parse = bx::strws(bx::strword(parse) );
|
|
const char* semantics = parse = bx::strws( (*parse == ':' ? ++parse : parse) );
|
|
const char* assign = parse = bx::strws(bx::strword(parse) );
|
|
const char* init = parse = bx::strws( (*parse == '=' ? ++parse : parse) );
|
|
|
|
if (typen < eol
|
|
&& name < eol
|
|
&& column < eol
|
|
&& ':' == *column
|
|
&& semantics < eol)
|
|
{
|
|
Varying var;
|
|
if (NULL != precision)
|
|
{
|
|
var.m_precision.assign(precision, bx::strword(precision)-precision);
|
|
}
|
|
|
|
if (NULL != interpolation)
|
|
{
|
|
var.m_interpolation.assign(interpolation, bx::strword(interpolation)-interpolation);
|
|
}
|
|
|
|
var.m_type.assign(typen, bx::strword(typen)-typen);
|
|
var.m_name.assign(name, bx::strword(name)-name);
|
|
var.m_semantics.assign(semantics, bx::strword(semantics)-semantics);
|
|
|
|
if (d3d == 9
|
|
&& var.m_semantics == "BITANGENT")
|
|
{
|
|
var.m_semantics = "BINORMAL";
|
|
}
|
|
|
|
if (assign < eol
|
|
&& '=' == *assign
|
|
&& init < eol)
|
|
{
|
|
var.m_init.assign(init, eol-init);
|
|
}
|
|
|
|
varyingMap.insert(std::make_pair(var.m_name, var) );
|
|
}
|
|
|
|
parse = bx::strws(bx::strnl(eol) );
|
|
}
|
|
}
|
|
|
|
InOut shaderInputs;
|
|
InOut shaderOutputs;
|
|
uint32_t inputHash = 0;
|
|
uint32_t outputHash = 0;
|
|
|
|
char* data;
|
|
char* input;
|
|
{
|
|
const size_t padding = 1024;
|
|
uint32_t size = (uint32_t)fsize(file);
|
|
data = new char[size+padding+1];
|
|
size = (uint32_t)fread(data, 1, size, file);
|
|
// Compiler generates "error X3000: syntax error: unexpected end of file"
|
|
// if input doesn't have empty line at EOF.
|
|
data[size] = '\n';
|
|
memset(&data[size+1], 0, padding);
|
|
fclose(file);
|
|
|
|
strNormalizeEol(data);
|
|
|
|
input = const_cast<char*>(bx::strws(data) );
|
|
while (input[0] == '$')
|
|
{
|
|
const char* str = bx::strws(input+1);
|
|
const char* eol = bx::streol(str);
|
|
const char* nl = bx::strnl(eol);
|
|
input = const_cast<char*>(nl);
|
|
|
|
if (0 == strncmp(str, "input", 5) )
|
|
{
|
|
str += 5;
|
|
const char* comment = strstr(str, "//");
|
|
eol = NULL != comment && comment < eol ? comment : eol;
|
|
inputHash = parseInOut(shaderInputs, str, eol);
|
|
}
|
|
else if (0 == strncmp(str, "output", 6) )
|
|
{
|
|
str += 6;
|
|
const char* comment = strstr(str, "//");
|
|
eol = NULL != comment && comment < eol ? comment : eol;
|
|
outputHash = parseInOut(shaderOutputs, str, eol);
|
|
}
|
|
else if (0 == strncmp(str, "raw", 3) )
|
|
{
|
|
raw = true;
|
|
str += 3;
|
|
}
|
|
|
|
input = const_cast<char*>(bx::strws(input) );
|
|
}
|
|
|
|
if (!raw)
|
|
{
|
|
// To avoid commented code being recognized as used feature,
|
|
// first preprocess pass is used to strip all comments before
|
|
// substituting code.
|
|
preprocessor.run(input);
|
|
delete [] data;
|
|
|
|
size = (uint32_t)preprocessor.m_preprocessed.size();
|
|
data = new char[size+padding+1];
|
|
memcpy(data, preprocessor.m_preprocessed.c_str(), size);
|
|
memset(&data[size], 0, padding+1);
|
|
input = data;
|
|
}
|
|
}
|
|
|
|
if (raw)
|
|
{
|
|
bx::CrtFileWriter* writer = NULL;
|
|
|
|
if (NULL != bin2c)
|
|
{
|
|
writer = new Bin2cWriter(bin2c);
|
|
}
|
|
else
|
|
{
|
|
writer = new bx::CrtFileWriter;
|
|
}
|
|
|
|
if (!bx::open(writer, outFilePath) )
|
|
{
|
|
fprintf(stderr, "Unable to open output file '%s'.", outFilePath);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if ('f' == shaderType)
|
|
{
|
|
bx::write(writer, BGFX_CHUNK_MAGIC_FSH);
|
|
bx::write(writer, inputHash);
|
|
}
|
|
else if ('v' == shaderType)
|
|
{
|
|
bx::write(writer, BGFX_CHUNK_MAGIC_VSH);
|
|
bx::write(writer, outputHash);
|
|
}
|
|
else
|
|
{
|
|
bx::write(writer, BGFX_CHUNK_MAGIC_CSH);
|
|
bx::write(writer, outputHash);
|
|
}
|
|
|
|
if (0 != glsl)
|
|
{
|
|
bx::write(writer, uint16_t(0) );
|
|
|
|
uint32_t shaderSize = (uint32_t)strlen(input);
|
|
bx::write(writer, shaderSize);
|
|
bx::write(writer, input, shaderSize);
|
|
bx::write(writer, uint8_t(0) );
|
|
|
|
compiled = true;
|
|
}
|
|
else
|
|
{
|
|
compiled = compileHLSLShader(cmdLine, d3d, input, writer);
|
|
}
|
|
|
|
bx::close(writer);
|
|
delete writer;
|
|
}
|
|
else if ('c' == shaderType) // Compute
|
|
{
|
|
char* entry = strstr(input, "void main()");
|
|
if (NULL == entry)
|
|
{
|
|
fprintf(stderr, "Shader entry point 'void main()' is not found.\n");
|
|
}
|
|
else
|
|
{
|
|
if (0 != glsl
|
|
|| 0 != essl
|
|
|| 0 != metal)
|
|
{
|
|
}
|
|
else
|
|
{
|
|
preprocessor.writef(
|
|
"#define lowp\n"
|
|
"#define mediump\n"
|
|
"#define highp\n"
|
|
"#define ivec2 int2\n"
|
|
"#define ivec3 int3\n"
|
|
"#define ivec4 int4\n"
|
|
"#define uvec2 uint2\n"
|
|
"#define uvec3 uint3\n"
|
|
"#define uvec4 uint4\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"
|
|
);
|
|
|
|
entry[4] = '_';
|
|
|
|
preprocessor.writef("#define void_main()");
|
|
preprocessor.writef(" \\\n\tvoid main(");
|
|
|
|
uint32_t arg = 0;
|
|
|
|
const bool hasLocalInvocationID = NULL != strstr(input, "gl_LocalInvocationID");
|
|
const bool hasLocalInvocationIndex = NULL != strstr(input, "gl_LocalInvocationIndex");
|
|
const bool hasGlobalInvocationID = NULL != strstr(input, "gl_GlobalInvocationID");
|
|
const bool hasWorkGroupID = NULL != strstr(input, "gl_WorkGroupID");
|
|
|
|
if (hasLocalInvocationID)
|
|
{
|
|
preprocessor.writef(
|
|
" \\\n\t%sint3 gl_LocalInvocationID : SV_GroupThreadID"
|
|
, arg++ > 0 ? ", " : " "
|
|
);
|
|
}
|
|
|
|
if (hasLocalInvocationIndex)
|
|
{
|
|
preprocessor.writef(
|
|
" \\\n\t%sint gl_LocalInvocationIndex : SV_GroupIndex"
|
|
, arg++ > 0 ? ", " : " "
|
|
);
|
|
}
|
|
|
|
if (hasGlobalInvocationID)
|
|
{
|
|
preprocessor.writef(
|
|
" \\\n\t%sint3 gl_GlobalInvocationID : SV_DispatchThreadID"
|
|
, arg++ > 0 ? ", " : " "
|
|
);
|
|
}
|
|
|
|
if (hasWorkGroupID)
|
|
{
|
|
preprocessor.writef(
|
|
" \\\n\t%sint3 gl_WorkGroupID : SV_GroupID"
|
|
, arg++ > 0 ? ", " : " "
|
|
);
|
|
}
|
|
|
|
preprocessor.writef(
|
|
" \\\n\t)\n"
|
|
);
|
|
}
|
|
|
|
if (preprocessor.run(input) )
|
|
{
|
|
BX_TRACE("Input file: %s", filePath);
|
|
BX_TRACE("Output file: %s", outFilePath);
|
|
|
|
if (preprocessOnly)
|
|
{
|
|
bx::CrtFileWriter writer;
|
|
|
|
if (!bx::open(&writer, outFilePath) )
|
|
{
|
|
fprintf(stderr, "Unable to open output file '%s'.", outFilePath);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
bx::write(&writer, preprocessor.m_preprocessed.c_str(), (int32_t)preprocessor.m_preprocessed.size() );
|
|
bx::close(&writer);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
{
|
|
bx::CrtFileWriter* writer = NULL;
|
|
|
|
if (NULL != bin2c)
|
|
{
|
|
writer = new Bin2cWriter(bin2c);
|
|
}
|
|
else
|
|
{
|
|
writer = new bx::CrtFileWriter;
|
|
}
|
|
|
|
if (!bx::open(writer, outFilePath) )
|
|
{
|
|
fprintf(stderr, "Unable to open output file '%s'.", outFilePath);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
bx::write(writer, BGFX_CHUNK_MAGIC_CSH);
|
|
bx::write(writer, outputHash);
|
|
|
|
if (0 != glsl
|
|
|| 0 != essl)
|
|
{
|
|
std::string code;
|
|
|
|
if (essl)
|
|
{
|
|
bx::stringPrintf(code, "#version 310 es\n");
|
|
}
|
|
else
|
|
{
|
|
bx::stringPrintf(code, "#version %d\n", glsl == 0 ? 430 : glsl);
|
|
}
|
|
|
|
code += preprocessor.m_preprocessed;
|
|
#if 1
|
|
bx::write(writer, uint16_t(0) );
|
|
|
|
uint32_t shaderSize = (uint32_t)code.size();
|
|
bx::write(writer, shaderSize);
|
|
bx::write(writer, code.c_str(), shaderSize);
|
|
bx::write(writer, uint8_t(0) );
|
|
|
|
compiled = true;
|
|
#else
|
|
compiled = compileGLSLShader(cmdLine, essl, code, writer);
|
|
#endif // 0
|
|
}
|
|
else
|
|
{
|
|
compiled = compileHLSLShader(cmdLine, d3d, preprocessor.m_preprocessed, writer);
|
|
}
|
|
|
|
bx::close(writer);
|
|
delete writer;
|
|
}
|
|
|
|
if (compiled)
|
|
{
|
|
if (depends)
|
|
{
|
|
std::string ofp = outFilePath;
|
|
ofp += ".d";
|
|
bx::CrtFileWriter writer;
|
|
if (bx::open(&writer, ofp.c_str() ) )
|
|
{
|
|
writef(&writer, "%s : %s\n", outFilePath, preprocessor.m_depends.c_str() );
|
|
bx::close(&writer);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else // Vertex/Fragment
|
|
{
|
|
char* entry = strstr(input, "void main()");
|
|
if (NULL == entry)
|
|
{
|
|
fprintf(stderr, "Shader entry point 'void main()' is not found.\n");
|
|
}
|
|
else
|
|
{
|
|
if (0 != glsl
|
|
|| 0 != essl
|
|
|| 0 != metal)
|
|
{
|
|
if (120 == glsl
|
|
|| 0 != essl)
|
|
{
|
|
preprocessor.writef(
|
|
"#define ivec2 vec2\n"
|
|
"#define ivec3 vec3\n"
|
|
"#define ivec4 vec4\n"
|
|
);
|
|
}
|
|
|
|
if (0 == essl)
|
|
{
|
|
// bgfx shadow2D/Proj behave like EXT_shadow_samplers
|
|
// not as GLSL language 1.2 specs shadow2D/Proj.
|
|
preprocessor.writef(
|
|
"#define shadow2D(_sampler, _coord) bgfxShadow2D(_sampler, _coord).x\n"
|
|
"#define shadow2DProj(_sampler, _coord) bgfxShadow2DProj(_sampler, _coord).x\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;
|
|
const char* name = var.m_name.c_str();
|
|
|
|
if (0 == strncmp(name, "a_", 2)
|
|
|| 0 == strncmp(name, "i_", 2) )
|
|
{
|
|
preprocessor.writef("attribute %s %s %s %s;\n"
|
|
, var.m_precision.c_str()
|
|
, var.m_interpolation.c_str()
|
|
, var.m_type.c_str()
|
|
, name
|
|
);
|
|
}
|
|
else
|
|
{
|
|
preprocessor.writef("%s varying %s %s %s;\n"
|
|
, var.m_interpolation.c_str()
|
|
, var.m_precision.c_str()
|
|
, 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("%s varying %s %s;\n"
|
|
, var.m_interpolation.c_str()
|
|
, var.m_type.c_str()
|
|
, var.m_name.c_str()
|
|
);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
preprocessor.writef(
|
|
"#define lowp\n"
|
|
"#define mediump\n"
|
|
"#define highp\n"
|
|
"#define ivec2 int2\n"
|
|
"#define ivec3 int3\n"
|
|
"#define ivec4 int4\n"
|
|
"#define uvec2 uint2\n"
|
|
"#define uvec3 uint3\n"
|
|
"#define uvec4 uint4\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"
|
|
);
|
|
|
|
if (hlsl < 4)
|
|
{
|
|
preprocessor.writef(
|
|
"#define flat\n"
|
|
"#define smooth\n"
|
|
"#define noperspective\n"
|
|
);
|
|
}
|
|
|
|
entry[4] = '_';
|
|
|
|
if ('f' == shaderType)
|
|
{
|
|
const char* brace = strstr(entry, "{");
|
|
if (NULL != brace)
|
|
{
|
|
strInsert(const_cast<char*>(brace+1), "\nvec4 bgfx_VoidFrag;\n");
|
|
}
|
|
|
|
const bool hasFragCoord = NULL != strstr(input, "gl_FragCoord") || hlsl > 3 || hlsl == 2;
|
|
const bool hasFragDepth = NULL != strstr(input, "gl_FragDepth");
|
|
const bool hasFrontFacing = NULL != strstr(input, "gl_FrontFacing");
|
|
const bool hasPrimitiveId = NULL != strstr(input, "gl_PrimitiveID");
|
|
|
|
bool hasFragData[8] = {};
|
|
uint32_t numFragData = 0;
|
|
for (uint32_t ii = 0; ii < BX_COUNTOF(hasFragData); ++ii)
|
|
{
|
|
char temp[32];
|
|
bx::snprintf(temp, BX_COUNTOF(temp), "gl_FragData[%d]", ii);
|
|
hasFragData[ii] = NULL != strstr(input, temp);
|
|
numFragData += hasFragData[ii];
|
|
}
|
|
|
|
if (0 == numFragData)
|
|
{
|
|
// GL errors when both gl_FragColor and gl_FragData is used.
|
|
// This will trigger the same error with HLSL compiler too.
|
|
preprocessor.writef("#define gl_FragColor gl_FragData_0_\n");
|
|
}
|
|
|
|
preprocessor.writef("#define void_main()");
|
|
preprocessor.writef(" \\\n\tvoid main(");
|
|
|
|
uint32_t arg = 0;
|
|
|
|
if (hasFragCoord)
|
|
{
|
|
preprocessor.writef(" \\\n\tvec4 gl_FragCoord : SV_POSITION");
|
|
++arg;
|
|
}
|
|
|
|
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(" \\\n\t%s%s %s %s : %s"
|
|
, arg++ > 0 ? ", " : " "
|
|
, interpolationDx11(var.m_interpolation.c_str() )
|
|
, var.m_type.c_str()
|
|
, var.m_name.c_str()
|
|
, var.m_semantics.c_str()
|
|
);
|
|
}
|
|
}
|
|
|
|
addFragData(preprocessor, input, 0, arg++ > 0);
|
|
|
|
const uint32_t maxRT = d3d > 9 ? BX_COUNTOF(hasFragData) : 4;
|
|
|
|
for (uint32_t ii = 1; ii < BX_COUNTOF(hasFragData); ++ii)
|
|
{
|
|
if (ii < maxRT)
|
|
{
|
|
if (hasFragData[ii])
|
|
{
|
|
addFragData(preprocessor, input, ii, arg++ > 0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
voidFragData(input, ii);
|
|
}
|
|
}
|
|
|
|
if (hasFragDepth)
|
|
{
|
|
preprocessor.writef(
|
|
" \\\n\t%sout float gl_FragDepth : SV_DEPTH"
|
|
, arg++ > 0 ? ", " : " "
|
|
);
|
|
}
|
|
|
|
if (hasFrontFacing
|
|
&& hlsl >= 3)
|
|
{
|
|
preprocessor.writef(
|
|
" \\\n\t%sfloat __vface : VFACE"
|
|
, arg++ > 0 ? ", " : " "
|
|
);
|
|
}
|
|
|
|
if (hasPrimitiveId)
|
|
{
|
|
if (d3d > 9)
|
|
{
|
|
preprocessor.writef(
|
|
" \\\n\t%suint gl_PrimitiveID : SV_PrimitiveID"
|
|
, arg++ > 0 ? ", " : " "
|
|
);
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, "PrimitiveID builtin is not supported by this D3D9 HLSL.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
|
|
preprocessor.writef(
|
|
" \\\n\t)\n"
|
|
);
|
|
|
|
if (hasFrontFacing)
|
|
{
|
|
if (hlsl >= 3)
|
|
{
|
|
preprocessor.writef(
|
|
"#define gl_FrontFacing (__vface <= 0.0)\n"
|
|
);
|
|
}
|
|
else
|
|
{
|
|
preprocessor.writef(
|
|
"#define gl_FrontFacing false\n"
|
|
);
|
|
}
|
|
}
|
|
}
|
|
else if ('v' == shaderType)
|
|
{
|
|
const char* brace = strstr(entry, "{");
|
|
if (NULL != brace)
|
|
{
|
|
const char* end = bx::strmb(brace, '{', '}');
|
|
if (NULL != end)
|
|
{
|
|
strInsert(const_cast<char*>(end), "__RETURN__;\n");
|
|
}
|
|
}
|
|
|
|
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", var.m_name.c_str() );
|
|
if (!var.m_init.empty() )
|
|
{
|
|
preprocessor.writef(" = %s", var.m_init.c_str() );
|
|
}
|
|
preprocessor.writef(";");
|
|
}
|
|
}
|
|
|
|
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)
|
|
{
|
|
bx::CrtFileWriter writer;
|
|
|
|
if (!bx::open(&writer, outFilePath) )
|
|
{
|
|
fprintf(stderr, "Unable to open output file '%s'.", outFilePath);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (0 != glsl)
|
|
{
|
|
if (NULL == profile)
|
|
{
|
|
writef(&writer
|
|
, "#ifdef GL_ES\n"
|
|
"precision highp float;\n"
|
|
"#endif // GL_ES\n\n"
|
|
);
|
|
}
|
|
}
|
|
bx::write(&writer, preprocessor.m_preprocessed.c_str(), (int32_t)preprocessor.m_preprocessed.size() );
|
|
bx::close(&writer);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
{
|
|
bx::CrtFileWriter* writer = NULL;
|
|
|
|
if (NULL != bin2c)
|
|
{
|
|
writer = new Bin2cWriter(bin2c);
|
|
}
|
|
else
|
|
{
|
|
writer = new bx::CrtFileWriter;
|
|
}
|
|
|
|
if (!bx::open(writer, outFilePath) )
|
|
{
|
|
fprintf(stderr, "Unable to open output file '%s'.", outFilePath);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if ('f' == shaderType)
|
|
{
|
|
bx::write(writer, BGFX_CHUNK_MAGIC_FSH);
|
|
bx::write(writer, inputHash);
|
|
}
|
|
else if ('v' == shaderType)
|
|
{
|
|
bx::write(writer, BGFX_CHUNK_MAGIC_VSH);
|
|
bx::write(writer, outputHash);
|
|
}
|
|
else
|
|
{
|
|
bx::write(writer, BGFX_CHUNK_MAGIC_CSH);
|
|
bx::write(writer, outputHash);
|
|
}
|
|
|
|
if (0 != glsl
|
|
|| 0 != essl
|
|
|| 0 != metal)
|
|
{
|
|
std::string code;
|
|
|
|
bool hasTextureLod = NULL != bx::findIdentifierMatch(input, s_ARB_shader_texture_lod /*EXT_shader_texture_lod*/);
|
|
|
|
if (0 == essl)
|
|
{
|
|
const bool need130 = 120 == glsl
|
|
&& bx::findIdentifierMatch(input, s_130)
|
|
;
|
|
|
|
if (0 != metal)
|
|
{
|
|
bx::stringPrintf(code, "#version 120\n");
|
|
}
|
|
else
|
|
{
|
|
bx::stringPrintf(code, "#version %s\n", need130 ? "130" : profile);
|
|
}
|
|
|
|
bx::stringPrintf(code
|
|
, "#define bgfxShadow2D shadow2D\n"
|
|
"#define bgfxShadow2DProj shadow2DProj\n"
|
|
);
|
|
|
|
if (hasTextureLod
|
|
&& 130 > glsl)
|
|
{
|
|
bx::stringPrintf(code
|
|
, "#extension GL_ARB_shader_texture_lod : enable\n"
|
|
);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Pretend that all extensions are available.
|
|
// This will be stripped later.
|
|
if (hasTextureLod)
|
|
{
|
|
bx::stringPrintf(code
|
|
, "#extension GL_EXT_shader_texture_lod : enable\n"
|
|
"#define texture2DLod texture2DLodEXT\n"
|
|
"#define texture2DProjLod texture2DProjLodEXT\n"
|
|
"#define textureCubeLod textureCubeLodEXT\n"
|
|
// "#define texture2DGrad texture2DGradEXT\n"
|
|
// "#define texture2DProjGrad texture2DProjGradEXT\n"
|
|
// "#define textureCubeGrad textureCubeGradEXT\n"
|
|
);
|
|
}
|
|
|
|
if (NULL != bx::findIdentifierMatch(input, s_OES_standard_derivatives) )
|
|
{
|
|
bx::stringPrintf(code, "#extension GL_OES_standard_derivatives : enable\n");
|
|
}
|
|
|
|
if (NULL != bx::findIdentifierMatch(input, s_OES_texture_3D) )
|
|
{
|
|
bx::stringPrintf(code, "#extension GL_OES_texture_3D : enable\n");
|
|
}
|
|
|
|
if (NULL != bx::findIdentifierMatch(input, s_EXT_shadow_samplers) )
|
|
{
|
|
bx::stringPrintf(code
|
|
, "#extension GL_EXT_shadow_samplers : enable\n"
|
|
"#define shadow2D shadow2DEXT\n"
|
|
"#define shadow2DProj shadow2DProjEXT\n"
|
|
);
|
|
}
|
|
|
|
if (NULL != bx::findIdentifierMatch(input, "gl_FragDepth") )
|
|
{
|
|
bx::stringPrintf(code
|
|
, "#extension GL_EXT_frag_depth : enable\n"
|
|
"#define gl_FragDepth gl_FragDepthEXT\n"
|
|
);
|
|
}
|
|
}
|
|
|
|
code += preprocessor.m_preprocessed;
|
|
compiled = compileGLSLShader(cmdLine
|
|
, metal ? BX_MAKEFOURCC('M', 'T', 'L', 0) : essl
|
|
, code
|
|
, writer
|
|
);
|
|
}
|
|
else
|
|
{
|
|
compiled = compileHLSLShader(cmdLine
|
|
, d3d
|
|
, preprocessor.m_preprocessed
|
|
, writer
|
|
);
|
|
}
|
|
|
|
bx::close(writer);
|
|
delete writer;
|
|
}
|
|
|
|
if (compiled)
|
|
{
|
|
if (depends)
|
|
{
|
|
std::string ofp = outFilePath;
|
|
ofp += ".d";
|
|
bx::CrtFileWriter writer;
|
|
if (bx::open(&writer, ofp.c_str() ) )
|
|
{
|
|
writef(&writer, "%s : %s\n", outFilePath, preprocessor.m_depends.c_str() );
|
|
bx::close(&writer);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
delete [] data;
|
|
}
|
|
|
|
if (compiled)
|
|
{
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
remove(outFilePath);
|
|
|
|
fprintf(stderr, "Failed to build shader.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
} // namespace bgfx
|
|
|
|
int main(int _argc, const char* _argv[])
|
|
{
|
|
return bgfx::compileShader(_argc, _argv);
|
|
}
|