Mirrors/yuzu
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

shader: Implement BAR and fix memory barriers

Browse source
This commit is contained in:
ReinUsesLisp 2021-04-04 03:04:48 -03:00 • committed by ameerj
parent 85795de99f
commit fc93bc2abd
7 changed files with 79 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

1
src/shader_recompiler/backend/spirv/emit_spirv.h
View file

@ -28,6 +28,7 @@ void EmitSelectionMerge(EmitContext& ctx, Id merge_label);
void EmitReturn(EmitContext& ctx);
void EmitUnreachable(EmitContext& ctx);
void EmitDemoteToHelperInvocation(EmitContext& ctx, Id continue_label);
void EmitBarrier(EmitContext& ctx);
void EmitMemoryBarrierWorkgroupLevel(EmitContext& ctx);
void EmitMemoryBarrierDeviceLevel(EmitContext& ctx);
void EmitMemoryBarrierSystemLevel(EmitContext& ctx);

15
src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp
View file

@ -8,16 +8,25 @@
namespace Shader::Backend::SPIRV {
namespace {
void EmitMemoryBarrierImpl(EmitContext& ctx, spv::Scope scope) {
const auto semantics =
const auto semantics{
spv::MemorySemanticsMask::AcquireRelease | spv::MemorySemanticsMask::UniformMemory |
spv::MemorySemanticsMask::WorkgroupMemory | spv::MemorySemanticsMask::AtomicCounterMemory |
spv::MemorySemanticsMask::ImageMemory;
spv::MemorySemanticsMask::ImageMemory};
ctx.OpMemoryBarrier(ctx.Constant(ctx.U32[1], static_cast<u32>(scope)),
ctx.Constant(ctx.U32[1], static_cast<u32>(semantics)));
}
} // Anonymous namespace
void EmitBarrier(EmitContext& ctx) {
const auto execution{spv::Scope::Workgroup};
const auto memory{spv::Scope::Workgroup};
const auto memory_semantics{spv::MemorySemanticsMask::AcquireRelease |
spv::MemorySemanticsMask::WorkgroupMemory};
ctx.OpControlBarrier(ctx.Constant(ctx.U32[1], static_cast<u32>(execution)),
ctx.Constant(ctx.U32[1], static_cast<u32>(memory)),
ctx.Constant(ctx.U32[1], static_cast<u32>(memory_semantics)));
}
void EmitMemoryBarrierWorkgroupLevel(EmitContext& ctx) {
EmitMemoryBarrierImpl(ctx, spv::Scope::Workgroup);
}