From b541f5e5e333a8ec8c3569e02d67e59ad14217c2 Mon Sep 17 00:00:00 2001 From: FernandoS27 Date: Mon, 19 Apr 2021 01:03:38 +0200 Subject: shader: Implement VertexA stage --- src/shader_recompiler/ir_opt/dual_vertex_pass.cpp | 74 ++++++++++++++++++++++ .../global_memory_to_storage_buffer_pass.cpp | 26 ++++++++ src/shader_recompiler/ir_opt/passes.h | 7 ++ src/shader_recompiler/ir_opt/texture_pass.cpp | 21 ++++++ 4 files changed, 128 insertions(+) create mode 100644 src/shader_recompiler/ir_opt/dual_vertex_pass.cpp (limited to 'src/shader_recompiler/ir_opt') diff --git a/src/shader_recompiler/ir_opt/dual_vertex_pass.cpp b/src/shader_recompiler/ir_opt/dual_vertex_pass.cpp new file mode 100644 index 000000000..f35c6478a --- /dev/null +++ b/src/shader_recompiler/ir_opt/dual_vertex_pass.cpp @@ -0,0 +1,74 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include +#include +#include +#include + +#include "common/bit_cast.h" +#include "common/bit_util.h" +#include "shader_recompiler/exception.h" +#include "shader_recompiler/frontend/ir/ir_emitter.h" +#include "shader_recompiler/ir_opt/passes.h" + +namespace Shader::Optimization { + +void VertexATransformPass(IR::Program& program) { + bool replaced_join{}; + bool eliminated_epilogue{}; + for (IR::Block* const block : program.post_order_blocks) { + for (IR::Inst& inst : block->Instructions()) { + switch (inst.GetOpcode()) { + case IR::Opcode::Return: + inst.ReplaceOpcode(IR::Opcode::Join); + replaced_join = true; + break; + case IR::Opcode::Epilogue: + inst.Invalidate(); + eliminated_epilogue = true; + break; + default: + break; + } + if (replaced_join && eliminated_epilogue) { + return; + } + } + } +} + +void VertexBTransformPass(IR::Program& program) { + for (IR::Block* const block : program.post_order_blocks | std::views::reverse) { + for (IR::Inst& inst : block->Instructions()) { + if (inst.GetOpcode() == IR::Opcode::Prologue) { + return inst.Invalidate(); + } + } + } +} + +void DualVertexJoinPass(IR::Program& program) { + const auto& blocks = program.blocks; + s64 s = static_cast(blocks.size()) - 1; + if (s < 1) { + throw NotImplementedException("Dual Vertex Join pass failed, expected atleast 2 blocks!"); + } + for (s64 index = 0; index < s; index++) { + IR::Block* const current_block = blocks[index]; + IR::Block* const next_block = blocks[index + 1]; + for (IR::Inst& inst : current_block->Instructions()) { + if (inst.GetOpcode() == IR::Opcode::Join) { + IR::IREmitter ir{*current_block, IR::Block::InstructionList::s_iterator_to(inst)}; + ir.Branch(next_block); + inst.Invalidate(); + // only 1 join should exist + return; + } + } + } + throw NotImplementedException("Dual Vertex Join pass failed, no join present!"); +} + +} // namespace Shader::Optimization diff --git a/src/shader_recompiler/ir_opt/global_memory_to_storage_buffer_pass.cpp b/src/shader_recompiler/ir_opt/global_memory_to_storage_buffer_pass.cpp index 87eca2a0d..1d11a00d8 100644 --- a/src/shader_recompiler/ir_opt/global_memory_to_storage_buffer_pass.cpp +++ b/src/shader_recompiler/ir_opt/global_memory_to_storage_buffer_pass.cpp @@ -499,4 +499,30 @@ void GlobalMemoryToStorageBufferPass(IR::Program& program) { } } +template +static u32 Add(Descriptors& descriptors, const Descriptor& desc, Func&& pred) { + // TODO: Handle arrays + const auto it{std::ranges::find_if(descriptors, pred)}; + if (it != descriptors.end()) { + return static_cast(std::distance(descriptors.begin(), it)); + } + descriptors.push_back(desc); + return static_cast(descriptors.size()) - 1; +} + +void JoinStorageInfo(Info& base, Info& source) { + auto& descriptors = base.storage_buffers_descriptors; + for (auto& desc : source.storage_buffers_descriptors) { + auto it{std::ranges::find_if(descriptors, [&desc](const auto& existing) { + return desc.cbuf_index == existing.cbuf_index && + desc.cbuf_offset == existing.cbuf_offset && desc.count == existing.count; + })}; + if (it != descriptors.end()) { + it->is_written |= desc.is_written; + continue; + } + descriptors.push_back(desc); + } +} + } // namespace Shader::Optimization diff --git a/src/shader_recompiler/ir_opt/passes.h b/src/shader_recompiler/ir_opt/passes.h index 186104713..e9cb8546a 100644 --- a/src/shader_recompiler/ir_opt/passes.h +++ b/src/shader_recompiler/ir_opt/passes.h @@ -22,4 +22,11 @@ void SsaRewritePass(IR::Program& program); void TexturePass(Environment& env, IR::Program& program); void VerificationPass(const IR::Program& program); +// Dual Vertex +void VertexATransformPass(IR::Program& program); +void VertexBTransformPass(IR::Program& program); +void DualVertexJoinPass(IR::Program& program); +void JoinTextureInfo(Info& base, Info& source); +void JoinStorageInfo(Info& base, Info& source); + } // namespace Shader::Optimization diff --git a/src/shader_recompiler/ir_opt/texture_pass.cpp b/src/shader_recompiler/ir_opt/texture_pass.cpp index cfa6b34b9..2b38bcf42 100644 --- a/src/shader_recompiler/ir_opt/texture_pass.cpp +++ b/src/shader_recompiler/ir_opt/texture_pass.cpp @@ -426,4 +426,25 @@ void TexturePass(Environment& env, IR::Program& program) { } } +void JoinTextureInfo(Info& base, Info& source) { + Descriptors descriptors{ + base.texture_buffer_descriptors, + base.image_buffer_descriptors, + base.texture_descriptors, + base.image_descriptors, + }; + for (auto& desc : source.texture_buffer_descriptors) { + descriptors.Add(desc); + } + for (auto& desc : source.image_buffer_descriptors) { + descriptors.Add(desc); + } + for (auto& desc : source.texture_descriptors) { + descriptors.Add(desc); + } + for (auto& desc : source.image_descriptors) { + descriptors.Add(desc); + } +} + } // namespace Shader::Optimization -- cgit v1.2.3