1 files changed, 183 insertions, 0 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_image_atomic.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_image_atomic.cpp
new file mode 100644
index 000000000..d7f1a365a
--- /dev/null
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_image_atomic.cpp
@@ -0,0 +1,183 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "shader_recompiler/backend/spirv/emit_spirv.h"
+#include "shader_recompiler/backend/spirv/emit_spirv_instructions.h"
+#include "shader_recompiler/frontend/ir/modifiers.h"
+
+namespace Shader::Backend::SPIRV {
+namespace {
+Id Image(EmitContext& ctx, const IR::Value& index, IR::TextureInstInfo info) {
+    if (!index.IsImmediate()) {
+        throw NotImplementedException("Indirect image indexing");
+    }
+    if (info.type == TextureType::Buffer) {
+        const ImageBufferDefinition def{ctx.image_buffers.at(index.U32())};
+        return def.id;
+    } else {
+        const ImageDefinition def{ctx.images.at(index.U32())};
+        return def.id;
+    }
+}
+
+std::pair<Id, Id> AtomicArgs(EmitContext& ctx) {
+    const Id scope{ctx.Const(static_cast<u32>(spv::Scope::Device))};
+    const Id semantics{ctx.u32_zero_value};
+    return {scope, semantics};
+}
+
+Id ImageAtomicU32(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id value,
+                  Id (Sirit::Module::*atomic_func)(Id, Id, Id, Id, Id)) {
+    const auto info{inst->Flags<IR::TextureInstInfo>()};
+    const Id image{Image(ctx, index, info)};
+    const Id pointer{ctx.OpImageTexelPointer(ctx.image_u32, image, coords, ctx.Const(0U))};
+    const auto [scope, semantics]{AtomicArgs(ctx)};
+    return (ctx.*atomic_func)(ctx.U32[1], pointer, scope, semantics, value);
+}
+} // Anonymous namespace
+
+Id EmitImageAtomicIAdd32(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
+                         Id value) {
+    return ImageAtomicU32(ctx, inst, index, coords, value, &Sirit::Module::OpAtomicIAdd);
+}
+
+Id EmitImageAtomicSMin32(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
+                         Id value) {
+    return ImageAtomicU32(ctx, inst, index, coords, value, &Sirit::Module::OpAtomicSMin);
+}
+
+Id EmitImageAtomicUMin32(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
+                         Id value) {
+    return ImageAtomicU32(ctx, inst, index, coords, value, &Sirit::Module::OpAtomicUMin);
+}
+
+Id EmitImageAtomicSMax32(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
+                         Id value) {
+    return ImageAtomicU32(ctx, inst, index, coords, value, &Sirit::Module::OpAtomicSMax);
+}
+
+Id EmitImageAtomicUMax32(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
+                         Id value) {
+    return ImageAtomicU32(ctx, inst, index, coords, value, &Sirit::Module::OpAtomicUMax);
+}
+
+Id EmitImageAtomicInc32(EmitContext&, IR::Inst*, const IR::Value&, Id, Id) {
+    // TODO: This is not yet implemented
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitImageAtomicDec32(EmitContext&, IR::Inst*, const IR::Value&, Id, Id) {
+    // TODO: This is not yet implemented
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitImageAtomicAnd32(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
+                        Id value) {
+    return ImageAtomicU32(ctx, inst, index, coords, value, &Sirit::Module::OpAtomicAnd);
+}
+
+Id EmitImageAtomicOr32(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
+                       Id value) {
+    return ImageAtomicU32(ctx, inst, index, coords, value, &Sirit::Module::OpAtomicOr);
+}
+
+Id EmitImageAtomicXor32(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
+                        Id value) {
+    return ImageAtomicU32(ctx, inst, index, coords, value, &Sirit::Module::OpAtomicXor);
+}
+
+Id EmitImageAtomicExchange32(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
+                             Id value) {
+    return ImageAtomicU32(ctx, inst, index, coords, value, &Sirit::Module::OpAtomicExchange);
+}
+
+Id EmitBindlessImageAtomicIAdd32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBindlessImageAtomicSMin32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBindlessImageAtomicUMin32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBindlessImageAtomicSMax32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBindlessImageAtomicUMax32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBindlessImageAtomicInc32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBindlessImageAtomicDec32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBindlessImageAtomicAnd32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBindlessImageAtomicOr32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBindlessImageAtomicXor32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBindlessImageAtomicExchange32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBoundImageAtomicIAdd32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBoundImageAtomicSMin32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBoundImageAtomicUMin32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBoundImageAtomicSMax32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBoundImageAtomicUMax32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBoundImageAtomicInc32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBoundImageAtomicDec32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBoundImageAtomicAnd32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBoundImageAtomicOr32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBoundImageAtomicXor32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+Id EmitBoundImageAtomicExchange32(EmitContext&) {
+    throw NotImplementedException("SPIR-V Instruction");
+}
+
+} // namespace Shader::Backend::SPIRV