1 files changed, 57 insertions, 60 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.cpp b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
index 55018332e5..d597184359 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
@@ -2,8 +2,11 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <numeric>
+#include <span>
+#include <tuple>
 #include <type_traits>
+#include <utility>
+#include <vector>
 
 #include "shader_recompiler/backend/spirv/emit_spirv.h"
 #include "shader_recompiler/frontend/ir/basic_block.h"
@@ -14,10 +17,10 @@
 namespace Shader::Backend::SPIRV {
 namespace {
 template <class Func>
-struct FuncTraits : FuncTraits<decltype(&Func::operator())> {};
+struct FuncTraits : FuncTraits<Func> {};
 
-template <class ClassType, class ReturnType_, class... Args>
-struct FuncTraits<ReturnType_ (ClassType::*)(Args...)> {
+template <class ReturnType_, class... Args>
+struct FuncTraits<ReturnType_ (*)(Args...)> {
     using ReturnType = ReturnType_;
 
     static constexpr size_t NUM_ARGS = sizeof...(Args);
@@ -26,15 +29,15 @@ struct FuncTraits<ReturnType_ (ClassType::*)(Args...)> {
     using ArgType = std::tuple_element_t<I, std::tuple<Args...>>;
 };
 
-template <auto method, typename... Args>
-void SetDefinition(EmitSPIRV& emit, EmitContext& ctx, IR::Inst* inst, Args... args) {
+template <auto func, typename... Args>
+void SetDefinition(EmitContext& ctx, IR::Inst* inst, Args... args) {
     const Id forward_id{inst->Definition<Id>()};
     const bool has_forward_id{Sirit::ValidId(forward_id)};
     Id current_id{};
     if (has_forward_id) {
         current_id = ctx.ExchangeCurrentId(forward_id);
     }
-    const Id new_id{(emit.*method)(ctx, std::forward<Args>(args)...)};
+    const Id new_id{func(ctx, std::forward<Args>(args)...)};
     if (has_forward_id) {
         ctx.ExchangeCurrentId(current_id);
     } else {
@@ -55,42 +58,62 @@ ArgType Arg(EmitContext& ctx, const IR::Value& arg) {
     }
 }
 
-template <auto method, bool is_first_arg_inst, size_t... I>
-void Invoke(EmitSPIRV& emit, EmitContext& ctx, IR::Inst* inst, std::index_sequence<I...>) {
-    using Traits = FuncTraits<decltype(method)>;
+template <auto func, bool is_first_arg_inst, size_t... I>
+void Invoke(EmitContext& ctx, IR::Inst* inst, std::index_sequence<I...>) {
+    using Traits = FuncTraits<decltype(func)>;
     if constexpr (std::is_same_v<Traits::ReturnType, Id>) {
         if constexpr (is_first_arg_inst) {
-            SetDefinition<method>(emit, ctx, inst, inst,
-                                  Arg<Traits::ArgType<I + 2>>(ctx, inst->Arg(I))...);
+            SetDefinition<func>(ctx, inst, inst, Arg<Traits::ArgType<I + 2>>(ctx, inst->Arg(I))...);
         } else {
-            SetDefinition<method>(emit, ctx, inst,
-                                  Arg<Traits::ArgType<I + 1>>(ctx, inst->Arg(I))...);
+            SetDefinition<func>(ctx, inst, Arg<Traits::ArgType<I + 1>>(ctx, inst->Arg(I))...);
         }
     } else {
         if constexpr (is_first_arg_inst) {
-            (emit.*method)(ctx, inst, Arg<Traits::ArgType<I + 2>>(ctx, inst->Arg(I))...);
+            func(ctx, inst, Arg<Traits::ArgType<I + 2>>(ctx, inst->Arg(I))...);
         } else {
-            (emit.*method)(ctx, Arg<Traits::ArgType<I + 1>>(ctx, inst->Arg(I))...);
+            func(ctx, Arg<Traits::ArgType<I + 1>>(ctx, inst->Arg(I))...);
         }
     }
 }
 
-template <auto method>
-void Invoke(EmitSPIRV& emit, EmitContext& ctx, IR::Inst* inst) {
-    using Traits = FuncTraits<decltype(method)>;
+template <auto func>
+void Invoke(EmitContext& ctx, IR::Inst* inst) {
+    using Traits = FuncTraits<decltype(func)>;
     static_assert(Traits::NUM_ARGS >= 1, "Insufficient arguments");
     if constexpr (Traits::NUM_ARGS == 1) {
-        Invoke<method, false>(emit, ctx, inst, std::make_index_sequence<0>{});
+        Invoke<func, false>(ctx, inst, std::make_index_sequence<0>{});
     } else {
         using FirstArgType = typename Traits::template ArgType<1>;
         static constexpr bool is_first_arg_inst = std::is_same_v<FirstArgType, IR::Inst*>;
         using Indices = std::make_index_sequence<Traits::NUM_ARGS - (is_first_arg_inst ? 2 : 1)>;
-        Invoke<method, is_first_arg_inst>(emit, ctx, inst, Indices{});
+        Invoke<func, is_first_arg_inst>(ctx, inst, Indices{});
+    }
+}
+
+void EmitInst(EmitContext& ctx, IR::Inst* inst) {
+    switch (inst->Opcode()) {
+#define OPCODE(name, result_type, ...)                                                             \
+    case IR::Opcode::name:                                                                         \
+        return Invoke<&Emit##name>(ctx, inst);
+#include "shader_recompiler/frontend/ir/opcodes.inc"
+#undef OPCODE
+    }
+    throw LogicError("Invalid opcode {}", inst->Opcode());
+}
+
+Id TypeId(const EmitContext& ctx, IR::Type type) {
+    switch (type) {
+    case IR::Type::U1:
+        return ctx.U1;
+    case IR::Type::U32:
+        return ctx.U32[1];
+    default:
+        throw NotImplementedException("Phi node type {}", type);
     }
 }
 } // Anonymous namespace
 
-EmitSPIRV::EmitSPIRV(IR::Program& program) {
+std::vector<u32> EmitSPIRV(Environment& env, IR::Program& program) {
     EmitContext ctx{program};
     const Id void_function{ctx.TypeFunction(ctx.void_id)};
     // FIXME: Forward declare functions (needs sirit support)
@@ -112,43 +135,17 @@ EmitSPIRV::EmitSPIRV(IR::Program& program) {
     if (program.info.uses_local_invocation_id) {
         interfaces.push_back(ctx.local_invocation_id);
     }
-
     const std::span interfaces_span(interfaces.data(), interfaces.size());
-    ctx.AddEntryPoint(spv::ExecutionModel::Fragment, func, "main", interfaces_span);
-    ctx.AddExecutionMode(func, spv::ExecutionMode::OriginUpperLeft);
-
-    std::vector<u32> result{ctx.Assemble()};
-    std::FILE* file{std::fopen("D:\\shader.spv", "wb")};
-    std::fwrite(result.data(), sizeof(u32), result.size(), file);
-    std::fclose(file);
-    std::system("spirv-dis D:\\shader.spv") == 0 &&
-        std::system("spirv-val --uniform-buffer-standard-layout D:\\shader.spv") == 0 &&
-        std::system("spirv-cross -V D:\\shader.spv") == 0;
-}
+    ctx.AddEntryPoint(spv::ExecutionModel::GLCompute, func, "main", interfaces_span);
 
-void EmitSPIRV::EmitInst(EmitContext& ctx, IR::Inst* inst) {
-    switch (inst->Opcode()) {
-#define OPCODE(name, result_type, ...)                                                             \
-    case IR::Opcode::name:                                                                         \
-        return Invoke<&EmitSPIRV::Emit##name>(*this, ctx, inst);
-#include "shader_recompiler/frontend/ir/opcodes.inc"
-#undef OPCODE
-    }
-    throw LogicError("Invalid opcode {}", inst->Opcode());
-}
+    const std::array<u32, 3> workgroup_size{env.WorkgroupSize()};
+    ctx.AddExecutionMode(func, spv::ExecutionMode::LocalSize, workgroup_size[0], workgroup_size[1],
+                         workgroup_size[2]);
 
-static Id TypeId(const EmitContext& ctx, IR::Type type) {
-    switch (type) {
-    case IR::Type::U1:
-        return ctx.U1;
-    case IR::Type::U32:
-        return ctx.U32[1];
-    default:
-        throw NotImplementedException("Phi node type {}", type);
-    }
+    return ctx.Assemble();
 }
 
-Id EmitSPIRV::EmitPhi(EmitContext& ctx, IR::Inst* inst) {
+Id EmitPhi(EmitContext& ctx, IR::Inst* inst) {
     const size_t num_args{inst->NumArgs()};
     boost::container::small_vector<Id, 32> operands;
     operands.reserve(num_args * 2);
@@ -178,25 +175,25 @@ Id EmitSPIRV::EmitPhi(EmitContext& ctx, IR::Inst* inst) {
     return ctx.OpPhi(result_type, std::span(operands.data(), operands.size()));
 }
 
-void EmitSPIRV::EmitVoid(EmitContext&) {}
+void EmitVoid(EmitContext&) {}
 
-Id EmitSPIRV::EmitIdentity(EmitContext& ctx, const IR::Value& value) {
+Id EmitIdentity(EmitContext& ctx, const IR::Value& value) {
     return ctx.Def(value);
 }
 
-void EmitSPIRV::EmitGetZeroFromOp(EmitContext&) {
+void EmitGetZeroFromOp(EmitContext&) {
     throw LogicError("Unreachable instruction");
 }
 
-void EmitSPIRV::EmitGetSignFromOp(EmitContext&) {
+void EmitGetSignFromOp(EmitContext&) {
     throw LogicError("Unreachable instruction");
 }
 
-void EmitSPIRV::EmitGetCarryFromOp(EmitContext&) {
+void EmitGetCarryFromOp(EmitContext&) {
     throw LogicError("Unreachable instruction");
 }
 
-void EmitSPIRV::EmitGetOverflowFromOp(EmitContext&) {
+void EmitGetOverflowFromOp(EmitContext&) {
     throw LogicError("Unreachable instruction");
 }