From 1269a0cf8b3844c1a9bb06c843a7698b0a9643d5 Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Sun, 30 May 2021 17:27:00 -0400
Subject: glsl: Rework variable allocator to allow for variable reuse
---
src/shader_recompiler/backend/glsl/reg_alloc.h | 84 --------------------------
1 file changed, 84 deletions(-)
delete mode 100644 src/shader_recompiler/backend/glsl/reg_alloc.h
(limited to 'src/shader_recompiler/backend/glsl/reg_alloc.h')
diff --git a/src/shader_recompiler/backend/glsl/reg_alloc.h b/src/shader_recompiler/backend/glsl/reg_alloc.h
deleted file mode 100644
index 6c293f9d1e..0000000000
--- a/src/shader_recompiler/backend/glsl/reg_alloc.h
+++ /dev/null
@@ -1,84 +0,0 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <bitset>
-#include <vector>
-
-#include "common/bit_field.h"
-#include "common/common_types.h"
-
-namespace Shader::IR {
-class Inst;
-class Value;
-enum class Type;
-} // namespace Shader::IR
-
-namespace Shader::Backend::GLSL {
-enum class Type : u32 {
- U1,
- F16x2,
- S32,
- U32,
- F32,
- S64,
- U64,
- F64,
- U32x2,
- F32x2,
- U32x3,
- F32x3,
- U32x4,
- F32x4,
- Void,
-};
-
-struct Id {
- union {
- u32 raw;
- BitField<0, 1, u32> is_valid;
- BitField<1, 1, u32> is_long;
- BitField<2, 1, u32> is_spill;
- BitField<3, 1, u32> is_condition_code;
- BitField<4, 1, u32> is_null;
- BitField<5, 27, u32> index;
- };
-
- bool operator==(Id rhs) const noexcept {
- return raw == rhs.raw;
- }
- bool operator!=(Id rhs) const noexcept {
- return !operator==(rhs);
- }
-};
-static_assert(sizeof(Id) == sizeof(u32));
-
-class RegAlloc {
-public:
- std::string Define(IR::Inst& inst);
- std::string Define(IR::Inst& inst, Type type);
- std::string Define(IR::Inst& inst, IR::Type type);
-
- std::string Consume(const IR::Value& value);
- std::string Consume(IR::Inst& inst);
-
- std::string GetGlslType(Type type);
- std::string GetGlslType(IR::Type type);
-
- size_t num_used_registers{};
- std::vector<std::string> reg_types;
-
-private:
- static constexpr size_t NUM_REGS = 4096;
-
- Type RegType(IR::Type type);
- Id Alloc();
- void Free(Id id);
-
- std::bitset<NUM_REGS> register_use{};
- std::bitset<NUM_REGS> register_defined{};
-};
-
-} // namespace Shader::Backend::GLSL
--
cgit v1.2.3-70-g09d2