From fc93bc2abde0b54a0a495f9b28a76fd34b47f320 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sun, 4 Apr 2021 03:04:48 -0300
Subject: shader: Implement BAR and fix memory barriers
---
src/shader_recompiler/backend/spirv/emit_spirv.h | 1 +
.../backend/spirv/emit_spirv_barriers.cpp | 15 ++++++++++++---
2 files changed, 13 insertions(+), 3 deletions(-)
(limited to 'src/shader_recompiler/backend')
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h
index e066ba87d5..032b0b2f9d 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv.h
+++ b/src/shader_recompiler/backend/spirv/emit_spirv.h
@@ -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);
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp
index 18f512319b..74f523d0ff 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp
@@ -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);
}
--
cgit v1.2.3-70-g09d2