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# Conflicts: # CMakeLists.txt # libraries/glslang/OGLCompilersDLL/CMakeLists.txt # libraries/glslang/OGLCompilersDLL/InitializeDll.cpp # libraries/glslang/OGLCompilersDLL/InitializeDll.h # libraries/glslang/glslang/CMakeLists.txt # libraries/glslang/glslang/GenericCodeGen/CodeGen.cpp # libraries/glslang/glslang/GenericCodeGen/Link.cpp # libraries/glslang/glslang/Include/BaseTypes.h # libraries/glslang/glslang/Include/Common.h # libraries/glslang/glslang/Include/ConstantUnion.h # libraries/glslang/glslang/Include/InfoSink.h # libraries/glslang/glslang/Include/InitializeGlobals.h # libraries/glslang/glslang/Include/PoolAlloc.h # libraries/glslang/glslang/Include/ResourceLimits.h # libraries/glslang/glslang/Include/ShHandle.h # libraries/glslang/glslang/Include/Types.h # libraries/glslang/glslang/Include/arrays.h # libraries/glslang/glslang/Include/intermediate.h # libraries/glslang/glslang/Include/revision.h # libraries/glslang/glslang/Include/revision.template # libraries/glslang/glslang/MachineIndependent/Constant.cpp # libraries/glslang/glslang/MachineIndependent/InfoSink.cpp # libraries/glslang/glslang/MachineIndependent/Initialize.cpp # libraries/glslang/glslang/MachineIndependent/Initialize.h # libraries/glslang/glslang/MachineIndependent/IntermTraverse.cpp # libraries/glslang/glslang/MachineIndependent/Intermediate.cpp # libraries/glslang/glslang/MachineIndependent/LiveTraverser.h # libraries/glslang/glslang/MachineIndependent/ParseContextBase.cpp # libraries/glslang/glslang/MachineIndependent/ParseHelper.cpp # libraries/glslang/glslang/MachineIndependent/ParseHelper.h # libraries/glslang/glslang/MachineIndependent/PoolAlloc.cpp # libraries/glslang/glslang/MachineIndependent/RemoveTree.cpp # libraries/glslang/glslang/MachineIndependent/RemoveTree.h # libraries/glslang/glslang/MachineIndependent/Scan.cpp # libraries/glslang/glslang/MachineIndependent/Scan.h # libraries/glslang/glslang/MachineIndependent/ScanContext.h # libraries/glslang/glslang/MachineIndependent/ShaderLang.cpp # libraries/glslang/glslang/MachineIndependent/SymbolTable.cpp # libraries/glslang/glslang/MachineIndependent/SymbolTable.h # libraries/glslang/glslang/MachineIndependent/Versions.cpp # libraries/glslang/glslang/MachineIndependent/Versions.h # libraries/glslang/glslang/MachineIndependent/attribute.cpp # libraries/glslang/glslang/MachineIndependent/attribute.h # libraries/glslang/glslang/MachineIndependent/gl_types.h # libraries/glslang/glslang/MachineIndependent/glslang.y # libraries/glslang/glslang/MachineIndependent/glslang_tab.cpp # libraries/glslang/glslang/MachineIndependent/glslang_tab.cpp.h # libraries/glslang/glslang/MachineIndependent/intermOut.cpp # libraries/glslang/glslang/MachineIndependent/iomapper.cpp # libraries/glslang/glslang/MachineIndependent/iomapper.h # libraries/glslang/glslang/MachineIndependent/limits.cpp # libraries/glslang/glslang/MachineIndependent/linkValidate.cpp # libraries/glslang/glslang/MachineIndependent/localintermediate.h # libraries/glslang/glslang/MachineIndependent/parseConst.cpp # libraries/glslang/glslang/MachineIndependent/parseVersions.h # libraries/glslang/glslang/MachineIndependent/pch.cpp # libraries/glslang/glslang/MachineIndependent/pch.h # libraries/glslang/glslang/MachineIndependent/preprocessor/Pp.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpAtom.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpContext.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpContext.h # libraries/glslang/glslang/MachineIndependent/preprocessor/PpScanner.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpTokens.cpp # libraries/glslang/glslang/MachineIndependent/preprocessor/PpTokens.h # libraries/glslang/glslang/MachineIndependent/propagateNoContraction.cpp # libraries/glslang/glslang/MachineIndependent/propagateNoContraction.h # libraries/glslang/glslang/MachineIndependent/reflection.cpp # libraries/glslang/glslang/MachineIndependent/reflection.h # libraries/glslang/glslang/OSDependent/Unix/CMakeLists.txt # libraries/glslang/glslang/OSDependent/Unix/ossource.cpp # libraries/glslang/glslang/OSDependent/Windows/CMakeLists.txt # libraries/glslang/glslang/OSDependent/Windows/main.cpp # libraries/glslang/glslang/OSDependent/Windows/ossource.cpp # libraries/glslang/glslang/OSDependent/osinclude.h # libraries/glslang/glslang/Public/ShaderLang.h # libraries/glslang/glslang/updateGrammar # libraries/glslang/spirv/CMakeLists.txt # libraries/glslang/spirv/GLSL.ext.AMD.h # libraries/glslang/spirv/GLSL.ext.EXT.h # libraries/glslang/spirv/GLSL.ext.KHR.h # libraries/glslang/spirv/GLSL.ext.NV.h # libraries/glslang/spirv/GLSL.std.450.h # libraries/glslang/spirv/GlslangToSpv.cpp # libraries/glslang/spirv/GlslangToSpv.h # libraries/glslang/spirv/InReadableOrder.cpp # libraries/glslang/spirv/Logger.cpp # libraries/glslang/spirv/Logger.h # libraries/glslang/spirv/SPVRemapper.cpp # libraries/glslang/spirv/SPVRemapper.h # libraries/glslang/spirv/SpvBuilder.cpp # libraries/glslang/spirv/SpvBuilder.h # libraries/glslang/spirv/SpvPostProcess.cpp # libraries/glslang/spirv/SpvTools.cpp # libraries/glslang/spirv/SpvTools.h # libraries/glslang/spirv/bitutils.h # libraries/glslang/spirv/disassemble.cpp # libraries/glslang/spirv/disassemble.h # libraries/glslang/spirv/doc.cpp # libraries/glslang/spirv/doc.h # libraries/glslang/spirv/hex_float.h # libraries/glslang/spirv/spirv.hpp # libraries/glslang/spirv/spvIR.h # src/CMakeLists.txt
149 lines
3.4 KiB
C++
149 lines
3.4 KiB
C++
// Data reader interface for uniform access
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// File_Extractor 0.4.0
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#ifndef DATA_READER_H
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#define DATA_READER_H
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#include "blargg_common.h"
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#ifdef HAVE_ZLIB_H
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#include <zlib.h>
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#endif
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// Supports reading and finding out how many bytes are remaining
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class Data_Reader {
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public:
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virtual ~Data_Reader() { }
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static const char eof_error []; // returned by read() when request goes beyond end
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// Read at most count bytes and return number actually read, or <= 0 if error
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virtual long read_avail( void*, long n ) = 0;
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// Read exactly count bytes and return error if they couldn't be read
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virtual blargg_err_t read( void*, long count );
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// Number of bytes remaining until end of file
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virtual long remain() const = 0;
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// Read and discard count bytes
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virtual blargg_err_t skip( long count );
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public:
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Data_Reader() { }
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typedef blargg_err_t error_t; // deprecated
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private:
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// noncopyable
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Data_Reader( const Data_Reader& );
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Data_Reader& operator = ( const Data_Reader& );
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};
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// Supports seeking in addition to Data_Reader operations
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class File_Reader : public Data_Reader {
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public:
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// Size of file
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virtual long size() const = 0;
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// Current position in file
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virtual long tell() const = 0;
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// Go to new position
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virtual blargg_err_t seek( long ) = 0;
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long remain() const;
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blargg_err_t skip( long n );
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};
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// Disk file reader
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class Std_File_Reader : public File_Reader {
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public:
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blargg_err_t open( const char* path );
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void close();
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public:
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Std_File_Reader();
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~Std_File_Reader();
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long size() const;
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blargg_err_t read( void*, long );
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long read_avail( void*, long );
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long tell() const;
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blargg_err_t seek( long );
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private:
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void* file_; // Either FILE* or zlib's gzFile
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#if 0//[ZDOOM:unneeded] def HAVE_ZLIB_H
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long size_; // TODO: Fix ABI compat
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#endif /* HAVE_ZLIB_H */
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};
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// Treats range of memory as a file
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class Mem_File_Reader : public File_Reader {
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public:
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Mem_File_Reader( const void*, long size );
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#ifdef HAVE_ZLIB_H
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~Mem_File_Reader( );
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#endif /* HAVE_ZLIB_H */
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public:
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long size() const;
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long read_avail( void*, long );
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long tell() const;
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blargg_err_t seek( long );
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private:
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#ifdef HAVE_ZLIB_H
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bool gz_decompress();
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#endif /* HAVE_ZLIB_H */
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const char* m_begin;
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long m_size;
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long m_pos;
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#ifdef HAVE_ZLIB_H
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bool m_ownedPtr = false; // set if we must free m_begin
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#endif /* HAVE_ZLIB_H */
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};
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// Makes it look like there are only count bytes remaining
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class Subset_Reader : public Data_Reader {
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public:
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Subset_Reader( Data_Reader*, long count );
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public:
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long remain() const;
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long read_avail( void*, long );
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private:
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Data_Reader* in;
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long remain_;
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};
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// Joins already-read header and remaining data into original file (to avoid seeking)
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class Remaining_Reader : public Data_Reader {
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public:
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Remaining_Reader( void const* header, long size, Data_Reader* );
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public:
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long remain() const;
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long read_avail( void*, long );
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blargg_err_t read( void*, long );
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private:
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char const* header;
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char const* header_end;
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Data_Reader* in;
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long read_first( void* out, long count );
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};
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// Invokes callback function to read data. Size of data must be specified in advance.
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class Callback_Reader : public Data_Reader {
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public:
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typedef const char* (*callback_t)( void* data, void* out, int count );
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Callback_Reader( callback_t, long size, void* data = 0 );
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public:
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long read_avail( void*, long );
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blargg_err_t read( void*, long );
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long remain() const;
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private:
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callback_t const callback;
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void* const data;
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long remain_;
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};
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#endif
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