yuzu/src/shader_recompiler/frontend/ir/modifiers.h
2021-07-22 21:51:28 -04:00

49 lines
1.5 KiB
C++

// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/bit_field.h"
#include "common/common_types.h"
#include "shader_recompiler/shader_info.h"
namespace Shader::IR {
enum class FmzMode : u8 {
DontCare, // Not specified for this instruction
FTZ, // Flush denorms to zero, NAN is propagated (D3D11, NVN, GL, VK)
FMZ, // Flush denorms to zero, x * 0 == 0 (D3D9)
None, // Denorms are not flushed, NAN is propagated (nouveau)
};
enum class FpRounding : u8 {
DontCare, // Not specified for this instruction
RN, // Round to nearest even,
RM, // Round towards negative infinity
RP, // Round towards positive infinity
RZ, // Round towards zero
};
struct FpControl {
bool no_contraction{false};
FpRounding rounding{FpRounding::DontCare};
FmzMode fmz_mode{FmzMode::DontCare};
};
static_assert(sizeof(FpControl) <= sizeof(u32));
union TextureInstInfo {
u32 raw;
BitField<0, 16, u32> descriptor_index;
BitField<16, 3, TextureType> type;
BitField<19, 1, u32> is_depth;
BitField<20, 1, u32> has_bias;
BitField<21, 1, u32> has_lod_clamp;
BitField<22, 1, u32> relaxed_precision;
BitField<23, 2, u32> gather_component;
BitField<25, 2, u32> num_derivates;
BitField<27, 3, ImageFormat> image_format;
};
static_assert(sizeof(TextureInstInfo) <= sizeof(u32));
} // namespace Shader::IR