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Code Issues Releases Activity

shader/other: Implement MEMBAR.CTS

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This silences an assertion we were hitting and uses workgroup memory
barriers when the game requests it.
This commit is contained in:
ReinUsesLisp 2020-05-15 02:52:35 -03:00
parent 508242c267
commit 32e6727dae
4 changed files with 27 additions and 9 deletions
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10
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View file

@ -2344,7 +2344,12 @@ private:
return {};
}
Expression MemoryBarrierGL(Operation) {
Expression MemoryBarrierGroup(Operation) {
code.AddLine("groupMemoryBarrier();");
return {};
}
Expression MemoryBarrierGlobal(Operation) {
code.AddLine("memoryBarrier();");
return {};
}
@ -2591,7 +2596,8 @@ private:
&GLSLDecompiler::ShuffleIndexed,
&GLSLDecompiler::Barrier,
&GLSLDecompiler::MemoryBarrierGL,
&GLSLDecompiler::MemoryBarrierGroup,
&GLSLDecompiler::MemoryBarrierGlobal,
};
static_assert(operation_decompilers.size() == static_cast<std::size_t>(OperationCode::Amount));

7
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
View file

@ -2215,8 +2215,8 @@ private:
return {};
}
Expression MemoryBarrierGL(Operation) {
const auto scope = spv::Scope::Device;
template <spv::Scope scope>
Expression MemoryBarrier(Operation) {
const auto semantics =
spv::MemorySemanticsMask::AcquireRelease | spv::MemorySemanticsMask::UniformMemory |
spv::MemorySemanticsMask::WorkgroupMemory |
@ -2681,7 +2681,8 @@ private:
&SPIRVDecompiler::ShuffleIndexed,
&SPIRVDecompiler::Barrier,
&SPIRVDecompiler::MemoryBarrierGL,
&SPIRVDecompiler::MemoryBarrier<spv::Scope::Workgroup>,
&SPIRVDecompiler::MemoryBarrier<spv::Scope::Device>,
};
static_assert(operation_decompilers.size() == static_cast<std::size_t>(OperationCode::Amount));

14
src/video_core/shader/decode/other.cpp
View file

@ -299,9 +299,19 @@ u32 ShaderIR::DecodeOther(NodeBlock& bb, u32 pc) {
break;
}
case OpCode::Id::MEMBAR: {
UNIMPLEMENTED_IF(instr.membar.type != Tegra::Shader::MembarType::GL);
UNIMPLEMENTED_IF(instr.membar.unknown != Tegra::Shader::MembarUnknown::Default);
bb.push_back(Operation(OperationCode::MemoryBarrierGL));
const OperationCode type = [instr] {
switch (instr.membar.type) {
case Tegra::Shader::MembarType::CTA:
return OperationCode::MemoryBarrierGroup;
case Tegra::Shader::MembarType::GL:
return OperationCode::MemoryBarrierGlobal;
default:
UNIMPLEMENTED_MSG("MEMBAR type={}", static_cast<int>(instr.membar.type.Value()));
return OperationCode::MemoryBarrierGlobal;
}
}();
bb.push_back(Operation(type));
break;
}
case OpCode::Id::DEPBAR: {

5
src/video_core/shader/node.h
View file

@ -233,8 +233,9 @@ enum class OperationCode {
ThreadLtMask, /// () -> uint
ShuffleIndexed, /// (uint value, uint index) -> uint
Barrier, /// () -> void
MemoryBarrierGL, /// () -> void
Barrier, /// () -> void
MemoryBarrierGroup, /// () -> void
MemoryBarrierGlobal, /// () -> void
Amount,
};