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https://github.com/KhronosGroup/SPIRV-Tools
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61 lines
2.5 KiB
C++
61 lines
2.5 KiB
C++
// Copyright (c) 2015 The Khronos Group Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and/or associated documentation files (the
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// "Materials"), to deal in the Materials without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Materials, and to
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// permit persons to whom the Materials are furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Materials.
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//
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// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
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// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
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// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
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// https://www.khronos.org/registry/
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//
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// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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#ifndef LIBSPIRV_INSTRUCTION_H_
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#define LIBSPIRV_INSTRUCTION_H_
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#include <cstdint>
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#include <vector>
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#include <headers/spirv.h>
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// Describes an instruction.
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struct spv_instruction_t {
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// Normally, both opcode and extInstType contain valid data.
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// However, when the assembler parses !<number> as the first word in
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// an instruction and opcode and extInstType are invalid.
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SpvOp opcode;
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spv_ext_inst_type_t extInstType;
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// The Id of the result type, if this instruction has one. Zero otherwise.
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uint32_t resultTypeId;
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// The instruction, as a sequence of 32-bit words.
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// For a regular instruction the opcode and word count are combined
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// in words[0], as described in the SPIR-V spec.
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// Otherwise, the first token was !<number>, and that number appears
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// in words[0]. Subsequent elements are the result of parsing
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// tokens in the alternate parsing mode as described in syntax.md.
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std::vector<uint32_t> words;
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};
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// Appends a word to an instruction, without checking for overflow.
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inline void spvInstructionAddWord(spv_instruction_t* inst, uint32_t value) {
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inst->words.push_back(value);
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}
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#endif // LIBSPIRV_INSTRUCTION_H_
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