mirror of https://github.com/doitsujin/dxvk
78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
#pragma once
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#include <cstddef>
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#include <string>
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#include "dxbc_tag.h"
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namespace dxvk {
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/**
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* \brief DXBC bytecode reader
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*
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* Holds references to the shader byte code and
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* provides methods to read
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*/
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class DxbcReader {
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public:
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DxbcReader(const char* data, size_t size)
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: DxbcReader(data, size, 0) { }
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auto readu8 () { return this->readNum<uint8_t> (); }
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auto readu16() { return this->readNum<uint16_t>(); }
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auto readu32() { return this->readNum<uint32_t>(); }
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auto readu64() { return this->readNum<uint64_t>(); }
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auto readi8 () { return this->readNum<int8_t> (); }
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auto readi16() { return this->readNum<int16_t> (); }
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auto readi32() { return this->readNum<int32_t> (); }
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auto readi64() { return this->readNum<int64_t> (); }
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auto readf32() { return this->readNum<float> (); }
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auto readf64() { return this->readNum<double> (); }
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template<typename T>
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auto readEnum() {
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using Tx = std::underlying_type_t<T>;
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return static_cast<T>(this->readNum<Tx>());
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}
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DxbcTag readTag();
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std::string readString();
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void read(void* dst, size_t n);
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void skip(size_t n);
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DxbcReader clone(size_t pos) const;
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DxbcReader resize(size_t size) const;
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bool eof() const {
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return m_pos >= m_size;
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}
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void store(std::ostream&& stream) const;
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private:
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DxbcReader(const char* data, size_t size, size_t pos)
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: m_data(data), m_size(size), m_pos(pos) { }
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const char* m_data = nullptr;
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size_t m_size = 0;
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size_t m_pos = 0;
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template<typename T>
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T readNum() {
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T result;
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this->read(&result, sizeof(result));
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return result;
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}
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};
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} |