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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <string_view>
#include "shader_recompiler/backend/glasm/emit_context.h"
#include "shader_recompiler/backend/glasm/emit_glasm_instructions.h"
#include "shader_recompiler/frontend/ir/program.h"
#include "shader_recompiler/frontend/ir/value.h"
namespace Shader::Backend::GLASM {
namespace {
void StorageOp(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
std::string_view then_expr, std::string_view else_expr = {}) {
// Operate on bindless SSBO, call the expression with bounds checking
// address = c[binding].xy
// length = c[binding].z
const u32 sb_binding{binding.U32()};
ctx.Add("PK64.U DC,c[{}];" // pointer = address
"CVT.U64.U32 DC.z,{};" // offset = uint64_t(offset)
"ADD.U64 DC.x,DC.x,DC.z;" // pointer += offset
"SLT.U.CC RC.x,{},c[{}].z;", // cc = offset < length
sb_binding, offset, offset, sb_binding);
if (else_expr.empty()) {
ctx.Add("IF NE.x;{}ENDIF;", then_expr);
} else {
ctx.Add("IF NE.x;{}ELSE;{}ENDIF;", then_expr, else_expr);
}
}
template <typename ValueType>
void Store(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset, ValueType value,
std::string_view size) {
StorageOp(ctx, binding, offset, fmt::format("STORE.{} {},DC.x;", size, value));
}
void Load(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, ScalarU32 offset,
std::string_view size) {
const Register ret{ctx.reg_alloc.Define(inst)};
StorageOp(ctx, binding, offset, fmt::format("LOAD.{} {},DC.x;", size, ret),
fmt::format("MOV.U {},{{0,0,0,0}};", ret));
}
} // Anonymous namespace
void EmitLoadGlobalU8([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
}
void EmitLoadGlobalS8([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
}
void EmitLoadGlobalU16([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
}
void EmitLoadGlobalS16([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
}
void EmitLoadGlobal32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address) {
throw NotImplementedException("GLASM instruction");
}
void EmitLoadGlobal64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address) {
throw NotImplementedException("GLASM instruction");
}
void EmitLoadGlobal128([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address) {
throw NotImplementedException("GLASM instruction");
}
void EmitWriteGlobalU8([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
}
void EmitWriteGlobalS8([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
}
void EmitWriteGlobalU16([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
}
void EmitWriteGlobalS16([[maybe_unused]] EmitContext& ctx) {
throw NotImplementedException("GLASM instruction");
}
void EmitWriteGlobal32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address,
[[maybe_unused]] ScalarU32 value) {
throw NotImplementedException("GLASM instruction");
}
void EmitWriteGlobal64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address,
[[maybe_unused]] Register value) {
throw NotImplementedException("GLASM instruction");
}
void EmitWriteGlobal128([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address,
[[maybe_unused]] Register value) {
throw NotImplementedException("GLASM instruction");
}
void EmitLoadStorageU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
ScalarU32 offset) {
Load(ctx, inst, binding, offset, "U8");
}
void EmitLoadStorageS8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
ScalarU32 offset) {
Load(ctx, inst, binding, offset, "S8");
}
void EmitLoadStorageU16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
ScalarU32 offset) {
Load(ctx, inst, binding, offset, "U16");
}
void EmitLoadStorageS16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
ScalarU32 offset) {
Load(ctx, inst, binding, offset, "S16");
}
void EmitLoadStorage32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
ScalarU32 offset) {
Load(ctx, inst, binding, offset, "U32");
}
void EmitLoadStorage64(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
ScalarU32 offset) {
Load(ctx, inst, binding, offset, "U32X2");
}
void EmitLoadStorage128(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
ScalarU32 offset) {
Load(ctx, inst, binding, offset, "U32X4");
}
void EmitWriteStorageU8(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
ScalarU32 value) {
Store(ctx, binding, offset, value, "U8");
}
void EmitWriteStorageS8(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
ScalarS32 value) {
Store(ctx, binding, offset, value, "S8");
}
void EmitWriteStorageU16(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
ScalarU32 value) {
Store(ctx, binding, offset, value, "U16");
}
void EmitWriteStorageS16(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
ScalarS32 value) {
Store(ctx, binding, offset, value, "S16");
}
void EmitWriteStorage32(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
ScalarU32 value) {
Store(ctx, binding, offset, value, "U32");
}
void EmitWriteStorage64(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
Register value) {
Store(ctx, binding, offset, value, "U32X2");
}
void EmitWriteStorage128(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
Register value) {
Store(ctx, binding, offset, value, "U32X4");
}
} // namespace Shader::Backend::GLASM
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