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Code Issues Releases Wiki Activity

Merge pull request #3981 from ReinUsesLisp/bar

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shader/other: Implement BAR.SYNC 0x0
This commit is contained in:
bunnei
2020-05-26 14:40:13 -04:00
committed by GitHub
parent 623d9c47a2 5d0986a53b
commit 508242c267
5 changed files with 34 additions and 1 deletions
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10
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@@ -2335,6 +2335,15 @@ private:
return {fmt::format("readInvocationARB({}, {})", value, index), Type::Float};
}
Expression Barrier(Operation) {
if (!ir.IsDecompiled()) {
LOG_ERROR(Render_OpenGL, "barrier() used but shader is not decompiled");
return {};
}
code.AddLine("barrier();");
return {};
}
Expression MemoryBarrierGL(Operation) {
code.AddLine("memoryBarrier();");
return {};
@@ -2581,6 +2590,7 @@ private:
&GLSLDecompiler::ThreadMask<Func::Lt>,
&GLSLDecompiler::ShuffleIndexed,
&GLSLDecompiler::Barrier,
&GLSLDecompiler::MemoryBarrierGL,
};
static_assert(operation_decompilers.size() == static_cast<std::size_t>(OperationCode::Amount));

17
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
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@@ -2199,6 +2199,22 @@ private:
return {OpSubgroupReadInvocationKHR(t_float, value, index), Type::Float};
}
Expression Barrier(Operation) {
if (!ir.IsDecompiled()) {
LOG_ERROR(Render_Vulkan, "OpBarrier used by shader is not decompiled");
return {};
}
const auto scope = spv::Scope::Workgroup;
const auto memory = spv::Scope::Workgroup;
const auto semantics =
spv::MemorySemanticsMask::WorkgroupMemory | spv::MemorySemanticsMask::AcquireRelease;
OpControlBarrier(Constant(t_uint, static_cast<u32>(scope)),
Constant(t_uint, static_cast<u32>(memory)),
Constant(t_uint, static_cast<u32>(semantics)));
return {};
}
Expression MemoryBarrierGL(Operation) {
const auto scope = spv::Scope::Device;
const auto semantics =
@@ -2664,6 +2680,7 @@ private:
&SPIRVDecompiler::ThreadMask<4>, // Lt
&SPIRVDecompiler::ShuffleIndexed,
&SPIRVDecompiler::Barrier,
&SPIRVDecompiler::MemoryBarrierGL,
};
static_assert(operation_decompilers.size() == static_cast<std::size_t>(OperationCode::Amount));

5
src/video_core/shader/decode/other.cpp
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@@ -293,6 +293,11 @@ u32 ShaderIR::DecodeOther(NodeBlock& bb, u32 pc) {
SetRegister(bb, instr.gpr0, GetRegister(instr.gpr8));
break;
}
case OpCode::Id::BAR: {
UNIMPLEMENTED_IF_MSG(instr.value != 0xF0A81B8000070000ULL, "BAR is not BAR.SYNC 0x0");
bb.push_back(Operation(OperationCode::Barrier));
break;
}
case OpCode::Id::MEMBAR: {
UNIMPLEMENTED_IF(instr.membar.type != Tegra::Shader::MembarType::GL);
UNIMPLEMENTED_IF(instr.membar.unknown != Tegra::Shader::MembarUnknown::Default);

1
src/video_core/shader/node.h
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@@ -233,6 +233,7 @@ enum class OperationCode {
ThreadLtMask, /// () -> uint
ShuffleIndexed, /// (uint value, uint index) -> uint
Barrier, /// () -> void
MemoryBarrierGL, /// () -> void
Amount,