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ir: Add heuristic based LDS barrier pass (#1801)

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* ir: Add heuristic based LDS barrier pass

* Attempts to insert barriers after zero-depth divergant conditional blocks in shaders that use shared memory

* lds_barriers: Limit to nvidia

* Intel has historically had problems with cs barriers, will debug other time
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TheTurtle 2024-12-19 10:18:28 +02:00 • committed by GitHub
parent adf4b635f7
commit 188eebb92a
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6 changed files with 55 additions and 0 deletions
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5
src/shader_recompiler/ir/passes/ir_passes.h
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@ -6,6 +6,10 @@
#include "shader_recompiler/ir/basic_block.h"
#include "shader_recompiler/ir/program.h"
namespace Shader {
struct Profile;
}
namespace Shader::Optimization {
void SsaRewritePass(IR::BlockList& program);
@ -21,5 +25,6 @@ void RingAccessElimination(const IR::Program& program, const RuntimeInfo& runtim
void TessellationPreprocess(IR::Program& program, RuntimeInfo& runtime_info);
void HullShaderTransform(IR::Program& program, RuntimeInfo& runtime_info);
void DomainShaderTransform(IR::Program& program, RuntimeInfo& runtime_info);
void SharedMemoryBarrierPass(IR::Program& program, const Profile& profile);
} // namespace Shader::Optimization