77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
// Copyright (C) 2021 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Shader module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Shader/SpirvBlock.hpp>
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#include <Nazara/Shader/Debug.hpp>
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namespace Nz
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{
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inline SpirvBlock::SpirvBlock(SpirvWriter& writer) :
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m_isTerminated(false)
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{
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m_labelId = writer.AllocateResultId();
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Append(SpirvOp::OpLabel, m_labelId);
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}
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inline std::size_t SpirvBlock::Append(SpirvOp opcode, const OpSize& wordCount)
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{
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HandleSpirvOp(opcode);
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return SpirvSectionBase::Append(opcode, wordCount);
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}
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template<typename ...Args>
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std::size_t SpirvBlock::Append(SpirvOp opcode, Args&&... args)
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{
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HandleSpirvOp(opcode);
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return SpirvSectionBase::Append(opcode, std::forward<Args>(args)...);
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}
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template<typename F>
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std::size_t SpirvBlock::AppendVariadic(SpirvOp opcode, F&& callback)
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{
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HandleSpirvOp(opcode);
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return SpirvSectionBase::AppendVariadic(opcode, std::forward<F>(callback));
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}
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inline UInt32 SpirvBlock::GetLabelId() const
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{
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return m_labelId;
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}
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inline bool SpirvBlock::IsTerminated() const
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{
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return m_isTerminated;
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}
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inline bool SpirvBlock::IsTerminationInstruction(SpirvOp op)
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{
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switch (op)
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{
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case SpirvOp::OpBranch:
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case SpirvOp::OpBranchConditional:
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case SpirvOp::OpKill:
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case SpirvOp::OpReturn:
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case SpirvOp::OpReturnValue:
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case SpirvOp::OpSwitch:
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case SpirvOp::OpUnreachable:
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return true;
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default:
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return false;
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}
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}
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inline void SpirvBlock::HandleSpirvOp(SpirvOp op)
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{
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assert(!m_isTerminated);
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if (IsTerminationInstruction(op))
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m_isTerminated = true;
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}
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}
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#include <Nazara/Shader/DebugOff.hpp>
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