54 lines
2 KiB
C++
54 lines
2 KiB
C++
// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <memory>
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#include <vector>
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#include "shader_recompiler/frontend/ir/basic_block.h"
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#include "shader_recompiler/frontend/ir/post_order.h"
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#include "shader_recompiler/frontend/maxwell/program.h"
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#include "shader_recompiler/frontend/maxwell/structured_control_flow.h"
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#include "shader_recompiler/frontend/maxwell/translate/translate.h"
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#include "shader_recompiler/ir_opt/passes.h"
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namespace Shader::Maxwell {
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static void RemoveUnreachableBlocks(IR::Program& program) {
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// Some blocks might be unreachable if a function call exists unconditionally
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// If this happens the number of blocks and post order blocks will mismatch
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if (program.blocks.size() == program.post_order_blocks.size()) {
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return;
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}
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const IR::BlockList& post_order{program.post_order_blocks};
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std::erase_if(program.blocks, [&](IR::Block* block) {
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return std::ranges::find(post_order, block) == post_order.end();
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});
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}
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IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool,
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Environment& env, Flow::CFG& cfg) {
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IR::Program program;
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program.blocks = VisitAST(inst_pool, block_pool, env, cfg);
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program.post_order_blocks = PostOrder(program.blocks);
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program.stage = env.ShaderStage();
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RemoveUnreachableBlocks(program);
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// Replace instructions before the SSA rewrite
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Optimization::LowerFp16ToFp32(program);
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Optimization::SsaRewritePass(program);
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Optimization::GlobalMemoryToStorageBufferPass(program);
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Optimization::TexturePass(env, program);
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Optimization::ConstantPropagationPass(program);
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Optimization::DeadCodeEliminationPass(program);
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Optimization::IdentityRemovalPass(program);
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Optimization::VerificationPass(program);
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Optimization::CollectShaderInfoPass(program);
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return program;
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}
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} // namespace Shader::Maxwell
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