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rsx/asm: Stub out register annotation and dependency passes

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kd-11 2025-11-29 16:31:43 +03:00 committed by kd-11
parent aff645272f
commit e20bae3cd7
8 changed files with 77 additions and 0 deletions
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2
rpcs3/Emu/CMakeLists.txt
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@ -517,6 +517,8 @@ target_sources(rpcs3_emu PRIVATE
RSX/Overlays/Shaders/shader_loading_dialog.cpp
RSX/Overlays/Shaders/shader_loading_dialog_native.cpp
RSX/Program/Assembler/FPToCFG.cpp
RSX/Program/Assembler/Passes/RegisterAnnotationPass.cpp
RSX/Program/Assembler/Passes/RegisterDependencyPass.cpp
RSX/Program/CgBinaryProgram.cpp
RSX/Program/CgBinaryFragmentProgram.cpp
RSX/Program/CgBinaryVertexProgram.cpp

5
rpcs3/Emu/RSX/Program/Assembler/CFG.h
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@ -34,6 +34,11 @@ namespace rsx::assembler
}
};
struct CFGPass
{
virtual void run(FlowGraph& graph) = 0;
};
FlowGraph deconstruct_fragment_program(const RSXFragmentProgram& prog);
}

10
rpcs3/Emu/RSX/Program/Assembler/Passes/RegisterAnnotationPass.cpp Normal file
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@ -0,0 +1,10 @@
#include "stdafx.h"
#include "RegisterAnnotationPass.h"
namespace rsx::assembler
{
void RegisterAnnotationPass::run(FlowGraph& graph)
{
// TODO
}
}

16
rpcs3/Emu/RSX/Program/Assembler/Passes/RegisterAnnotationPass.h Normal file
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@ -0,0 +1,16 @@
#pragma once
#include "../CFG.h"
namespace rsx::assembler
{
// The annotation pass annotates each basic block with 2 pieces of information:
// 1. The "input" register list for a block.
// 2. The "output" register list for a block (clobber list).
// The information can be used by other passes to set up prologue/epilogue on each block.
class RegisterAnnotationPass : public CFGPass
{
public:
void run(FlowGraph& graph) override;
};
}

10
rpcs3/Emu/RSX/Program/Assembler/Passes/RegisterDependencyPass.cpp Normal file
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@ -0,0 +1,10 @@
#include "stdafx.h"
#include "RegisterDependencyPass.h"
namespace rsx::assembler
{
void RegisterDependencyPass::run(FlowGraph& graph)
{
// TODO
}
}

15
rpcs3/Emu/RSX/Program/Assembler/Passes/RegisterDependencyPass.h Normal file
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@ -0,0 +1,15 @@
#pragma once
#include "../CFG.h"
namespace rsx::assembler
{
// The register dependency pass identifies data hazards for each basic block and injects barrier instructions.
// Real PS3 does not have explicit barriers, but does instead often use delay slots or fence instructions to stall until a specific hardware unit clears the fence to advance.
// For decompiled shaders, we have the problem that aliasing is not real and is instead simulated. We do not have access to unions on the GPU without really nasty tricks.
class RegisterDependencyPass : public CFGPass
{
public:
void run(FlowGraph& graph) override;
};
}

4
rpcs3/emucore.vcxproj
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@ -157,6 +157,8 @@
<ClCompile Include="Emu\RSX\Overlays\Shaders\shader_loading_dialog_native.cpp" />
<ClCompile Include="Emu\RSX\Overlays\Trophies\overlay_trophy_list_dialog.cpp" />
<ClCompile Include="Emu\RSX\Program\Assembler\FPToCFG.cpp" />
<ClCompile Include="Emu\RSX\Program\Assembler\Passes\RegisterAnnotationPass.cpp" />
<ClCompile Include="Emu\RSX\Program\Assembler\Passes\RegisterDependencyPass.cpp" />
<ClCompile Include="Emu\RSX\Program\FragmentProgramRegister.cpp" />
<ClCompile Include="Emu\RSX\Program\ProgramStateCache.cpp" />
<ClCompile Include="Emu\RSX\Program\program_util.cpp" />
@ -702,6 +704,8 @@
<ClInclude Include="Emu\RSX\Overlays\Trophies\overlay_trophy_list_dialog.h" />
<ClInclude Include="Emu\RSX\Program\Assembler\CFG.h" />
<ClInclude Include="Emu\RSX\Program\Assembler\IR.h" />
<ClInclude Include="Emu\RSX\Program\Assembler\Passes\RegisterAnnotationPass.h" />
<ClInclude Include="Emu\RSX\Program\Assembler\Passes\RegisterDependencyPass.h" />
<ClInclude Include="Emu\RSX\Program\FragmentProgramRegister.h" />
<ClInclude Include="Emu\RSX\Program\GLSLTypes.h" />
<ClInclude Include="Emu\RSX\Program\ProgramStateCache.h" />

15
rpcs3/emucore.vcxproj.filters
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@ -136,6 +136,9 @@
<Filter Include="Emu\GPU\RSX\Program\Assembler">
<UniqueIdentifier>{d99df916-8a99-428b-869a-9f14ac0ab411}</UniqueIdentifier>
</Filter>
<Filter Include="Emu\GPU\RSX\Program\Assembler\Passes">
<UniqueIdentifier>{d13db076-47e4-45b9-bb8a-6b711ea40622}</UniqueIdentifier>
</Filter>
</ItemGroup>
<ItemGroup>
<ClCompile Include="Crypto\aes.cpp">
@ -1378,6 +1381,12 @@
<ClCompile Include="Emu\RSX\Program\Assembler\FPToCFG.cpp">
<Filter>Emu\GPU\RSX\Program\Assembler</Filter>
</ClCompile>
<ClCompile Include="Emu\RSX\Program\Assembler\Passes\RegisterAnnotationPass.cpp">
<Filter>Emu\GPU\RSX\Program\Assembler\Passes</Filter>
</ClCompile>
<ClCompile Include="Emu\RSX\Program\Assembler\Passes\RegisterDependencyPass.cpp">
<Filter>Emu\GPU\RSX\Program\Assembler\Passes</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="Crypto\aes.h">
@ -2776,6 +2785,12 @@
<ClInclude Include="Emu\RSX\Program\Assembler\IR.h">
<Filter>Emu\GPU\RSX\Program\Assembler</Filter>
</ClInclude>
<ClInclude Include="Emu\RSX\Program\Assembler\Passes\RegisterAnnotationPass.h">
<Filter>Emu\GPU\RSX\Program\Assembler\Passes</Filter>
</ClInclude>
<ClInclude Include="Emu\RSX\Program\Assembler\Passes\RegisterDependencyPass.h">
<Filter>Emu\GPU\RSX\Program\Assembler\Passes</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<None Include="Emu\RSX\Program\GLSLSnippets\GPUDeswizzle.glsl">