mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-25 09:08:22 -05:00
2819f93f26
The D3D11 shader compiler doesn't remove unused constants because it would change the size of buffers uploaded by the application. This means that all of the default unused bgfx uniforms take up a huge amount of space that forces the app to waste a ton of time uploading zeroes. This change is a bit of a hack but removes the unused constants and improves performance a great deal.
1760 lines
40 KiB
C++
1760 lines
40 KiB
C++
/*
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* Copyright 2011-2015 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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#include "shaderc.h"
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bool g_verbose = false;
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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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#define BGFX_CHUNK_MAGIC_CSH BX_MAKEFOURCC('C', 'S', 'H', 0x1)
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#define BGFX_CHUNK_MAGIC_FSH BX_MAKEFOURCC('F', 'S', 'H', 0x3)
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#define BGFX_CHUNK_MAGIC_VSH BX_MAKEFOURCC('V', 'S', 'H', 0x3)
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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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const char* s_uniformTypeName[UniformType::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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"vec2",
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"vec3",
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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 int32_t 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_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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int32_t size = bx::CrtFileWriter::write(out, len);
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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 strins(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 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 (0 == out.open(_filePath) )
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{
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out.write(_data, _size);
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out.close();
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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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|
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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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|
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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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|
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fppTag m_tags[MAX_TAGS];
|
|
fppTag* m_tagptr;
|
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|
|
std::string m_depends;
|
|
std::string m_default;
|
|
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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|
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typedef std::vector<std::string> InOut;
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|
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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, " ,");
|
|
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);
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_str = bx::strws(delim + 1);
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}
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}
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while (delim < _eol && _str < _eol && NULL != delim);
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|
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std::sort(_inout.begin(), _inout.end() );
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|
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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 2011-2015 Branimir Karadzic. All rights reserved.\n"
|
|
"License: http://www.opensource.org/licenses/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 <file path> 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"
|
|
" --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 main(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;
|
|
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
|
|
{
|
|
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() );
|
|
}
|
|
}
|
|
|
|
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_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);
|
|
}
|
|
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);
|
|
}
|
|
|
|
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);
|
|
|
|
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 (0 != writer->open(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);
|
|
}
|
|
|
|
writer->close();
|
|
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)
|
|
{
|
|
}
|
|
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 (0 != writer.open(outFilePath) )
|
|
{
|
|
fprintf(stderr, "Unable to open output file '%s'.", outFilePath);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
writer.write(preprocessor.m_preprocessed.c_str(), (int32_t)preprocessor.m_preprocessed.size() );
|
|
writer.close();
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
{
|
|
bx::CrtFileWriter* writer = NULL;
|
|
|
|
if (NULL != bin2c)
|
|
{
|
|
writer = new Bin2cWriter(bin2c);
|
|
}
|
|
else
|
|
{
|
|
writer = new bx::CrtFileWriter;
|
|
}
|
|
|
|
if (0 != writer->open(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);
|
|
}
|
|
|
|
writer->close();
|
|
delete writer;
|
|
}
|
|
|
|
if (compiled)
|
|
{
|
|
if (depends)
|
|
{
|
|
std::string ofp = outFilePath;
|
|
ofp += ".d";
|
|
bx::CrtFileWriter writer;
|
|
if (0 == writer.open(ofp.c_str() ) )
|
|
{
|
|
writef(&writer, "%s : %s\n", outFilePath, preprocessor.m_depends.c_str() );
|
|
writer.close();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
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)
|
|
{
|
|
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)
|
|
{
|
|
strins(const_cast<char*>(brace+1), "\nvec4 bgfx_VoidFrag;\n");
|
|
}
|
|
|
|
const bool hasFragCoord = NULL != strstr(input, "gl_FragCoord") || hlsl > 3;
|
|
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)
|
|
{
|
|
strins(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 = %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)
|
|
{
|
|
bx::CrtFileWriter writer;
|
|
|
|
if (0 != writer.open(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"
|
|
);
|
|
}
|
|
}
|
|
writer.write(preprocessor.m_preprocessed.c_str(), (int32_t)preprocessor.m_preprocessed.size() );
|
|
writer.close();
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
{
|
|
bx::CrtFileWriter* writer = NULL;
|
|
|
|
if (NULL != bin2c)
|
|
{
|
|
writer = new Bin2cWriter(bin2c);
|
|
}
|
|
else
|
|
{
|
|
writer = new bx::CrtFileWriter;
|
|
}
|
|
|
|
if (0 != writer->open(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)
|
|
{
|
|
std::string code;
|
|
|
|
bool hasTextureLod = NULL != bx::findIdentifierMatch(input, s_ARB_shader_texture_lod /*EXT_shader_texture_lod*/);
|
|
|
|
if (0 == essl)
|
|
{
|
|
bx::stringPrintf(code, "#version %s\n", 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, essl, code, writer);
|
|
}
|
|
else
|
|
{
|
|
compiled = compileHLSLShader(cmdLine, d3d, preprocessor.m_preprocessed, writer);
|
|
}
|
|
|
|
writer->close();
|
|
delete writer;
|
|
}
|
|
|
|
if (compiled)
|
|
{
|
|
if (depends)
|
|
{
|
|
std::string ofp = outFilePath;
|
|
ofp += ".d";
|
|
bx::CrtFileWriter writer;
|
|
if (0 == writer.open(ofp.c_str() ) )
|
|
{
|
|
writef(&writer, "%s : %s\n", outFilePath, preprocessor.m_depends.c_str() );
|
|
writer.close();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
delete [] data;
|
|
}
|
|
|
|
if (compiled)
|
|
{
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
remove(outFilePath);
|
|
|
|
fprintf(stderr, "Failed to build shader.\n");
|
|
return EXIT_FAILURE;
|
|
}
|