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yuzu/src/video_core/textures/texture.h

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// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include "common/assert.h"
#include "common/bit_field.h"
#include "common/common_types.h"
#include "core/settings.h"
namespace Tegra::Texture {
enum class TextureFormat : u32 {
R32_G32_B32_A32 = 0x01,
R32_G32_B32 = 0x02,
R16_G16_B16_A16 = 0x03,
R32_G32 = 0x04,
R32_B24G8 = 0x05,
ETC2_RGB = 0x06,
X8B8G8R8 = 0x07,
A8R8G8B8 = 0x08,
A2B10G10R10 = 0x09,
ETC2_RGB_PTA = 0x0a,
ETC2_RGBA = 0x0b,
R16_G16 = 0x0c,
G8R24 = 0x0d,
G24R8 = 0x0e,
R32 = 0x0f,
BC6H_SF16 = 0x10,
BC6H_UF16 = 0x11,
A4B4G4R4 = 0x12,
A5B5G5R1 = 0x13,
A1B5G5R5 = 0x14,
B5G6R5 = 0x15,
B6G5R5 = 0x16,
BC7U = 0x17,
G8R8 = 0x18,
EAC = 0x19,
EACX2 = 0x1a,
R16 = 0x1b,
Y8_VIDEO = 0x1c,
R8 = 0x1d,
G4R4 = 0x1e,
R1 = 0x1f,
E5B9G9R9_SHAREDEXP = 0x20,
BF10GF11RF11 = 0x21,
G8B8G8R8 = 0x22,
B8G8R8G8 = 0x23,
DXT1 = 0x24,
DXT23 = 0x25,
DXT45 = 0x26,
DXN1 = 0x27,
DXN2 = 0x28,
S8Z24 = 0x29,
X8Z24 = 0x2a,
Z24S8 = 0x2b,
X4V4Z24__COV4R4V = 0x2c,
X4V4Z24__COV8R8V = 0x2d,
V8Z24__COV4R12V = 0x2e,
ZF32 = 0x2f,
ZF32_X24S8 = 0x30,
X8Z24_X20V4S8__COV4R4V = 0x31,
X8Z24_X20V4S8__COV8R8V = 0x32,
ZF32_X20V4X8__COV4R4V = 0x33,
ZF32_X20V4X8__COV8R8V = 0x34,
ZF32_X20V4S8__COV4R4V = 0x35,
ZF32_X20V4S8__COV8R8V = 0x36,
X8Z24_X16V8S8__COV4R12V = 0x37,
ZF32_X16V8X8__COV4R12V = 0x38,
ZF32_X16V8S8__COV4R12V = 0x39,
Z16 = 0x3a,
V8Z24__COV8R24V = 0x3b,
X8Z24_X16V8S8__COV8R24V = 0x3c,
ZF32_X16V8X8__COV8R24V = 0x3d,
ZF32_X16V8S8__COV8R24V = 0x3e,
ASTC_2D_4X4 = 0x40,
ASTC_2D_5X5 = 0x41,
ASTC_2D_6X6 = 0x42,
ASTC_2D_8X8 = 0x44,
ASTC_2D_10X10 = 0x45,
ASTC_2D_12X12 = 0x46,
ASTC_2D_5X4 = 0x50,
ASTC_2D_6X5 = 0x51,
ASTC_2D_8X6 = 0x52,
ASTC_2D_10X8 = 0x53,
ASTC_2D_12X10 = 0x54,
ASTC_2D_8X5 = 0x55,
ASTC_2D_10X5 = 0x56,
ASTC_2D_10X6 = 0x57,
};
enum class TextureType : u32 {
Texture1D = 0,
Texture2D = 1,
Texture3D = 2,
TextureCubemap = 3,
Texture1DArray = 4,
Texture2DArray = 5,
Texture1DBuffer = 6,
Texture2DNoMipmap = 7,
TextureCubeArray = 8,
};
enum class TICHeaderVersion : u32 {
OneDBuffer = 0,
PitchColorKey = 1,
Pitch = 2,
BlockLinear = 3,
BlockLinearColorKey = 4,
};
enum class ComponentType : u32 {
SNORM = 1,
UNORM = 2,
SINT = 3,
UINT = 4,
SNORM_FORCE_FP16 = 5,
UNORM_FORCE_FP16 = 6,
FLOAT = 7
};
enum class SwizzleSource : u32 {
Zero = 0,
R = 2,
G = 3,
B = 4,
A = 5,
OneInt = 6,
OneFloat = 7,
};
union TextureHandle {
TextureHandle(u32 raw) : raw{raw} {}
u32 raw;
BitField<0, 20, u32> tic_id;
BitField<20, 12, u32> tsc_id;
};
static_assert(sizeof(TextureHandle) == 4, "TextureHandle has wrong size");
struct TICEntry {
static constexpr u32 DefaultBlockHeight = 16;
static constexpr u32 DefaultBlockDepth = 1;
union {
u32 raw;
BitField<0, 7, TextureFormat> format;
BitField<7, 3, ComponentType> r_type;
BitField<10, 3, ComponentType> g_type;
BitField<13, 3, ComponentType> b_type;
BitField<16, 3, ComponentType> a_type;
BitField<19, 3, SwizzleSource> x_source;
BitField<22, 3, SwizzleSource> y_source;
BitField<25, 3, SwizzleSource> z_source;
BitField<28, 3, SwizzleSource> w_source;
};
u32 address_low;
union {
BitField<0, 16, u32> address_high;
BitField<21, 3, TICHeaderVersion> header_version;
};
union {
BitField<0, 3, u32> block_width;
BitField<3, 3, u32> block_height;
BitField<6, 3, u32> block_depth;
BitField<10, 3, u32> tile_width_spacing;
// High 16 bits of the pitch value
BitField<0, 16, u32> pitch_high;
BitField<26, 1, u32> use_header_opt_control;
BitField<27, 1, u32> depth_texture;
BitField<28, 4, u32> max_mip_level;
BitField<0, 16, u32> buffer_high_width_minus_one;
};
union {
BitField<0, 16, u32> width_minus_1;
BitField<22, 1, u32> srgb_conversion;
BitField<23, 4, TextureType> texture_type;
BitField<29, 3, u32> border_size;
BitField<0, 16, u32> buffer_low_width_minus_one;
};
union {
BitField<0, 16, u32> height_minus_1;
BitField<16, 14, u32> depth_minus_1;
};
union {
BitField<6, 13, u32> mip_lod_bias;
BitField<27, 3, u32> max_anisotropy;
};
union {
BitField<0, 4, u32> res_min_mip_level;
BitField<4, 4, u32> res_max_mip_level;
BitField<12, 12, u32> min_lod_clamp;
};
GPUVAddr Address() const {
return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) | address_low);
}
u32 Pitch() const {
ASSERT(header_version == TICHeaderVersion::Pitch ||
header_version == TICHeaderVersion::PitchColorKey);
// The pitch value is 21 bits, and is 32B aligned.
return pitch_high << 5;
}
u32 Width() const {
if (header_version != TICHeaderVersion::OneDBuffer) {
return width_minus_1 + 1;
}
return ((buffer_high_width_minus_one << 16) | buffer_low_width_minus_one) + 1;
}
u32 Height() const {
return height_minus_1 + 1;
}
u32 Depth() const {
return depth_minus_1 + 1;
}
u32 BlockWidth() const {
ASSERT(IsTiled());
return block_width;
}
u32 BlockHeight() const {
ASSERT(IsTiled());
return block_height;
}
u32 BlockDepth() const {
ASSERT(IsTiled());
return block_depth;
}
bool IsTiled() const {
return header_version == TICHeaderVersion::BlockLinear ||
header_version == TICHeaderVersion::BlockLinearColorKey;
}
bool IsLineal() const {
return header_version == TICHeaderVersion::Pitch ||
header_version == TICHeaderVersion::PitchColorKey;
}
bool IsBuffer() const {
return header_version == TICHeaderVersion::OneDBuffer;
}
bool IsSrgbConversionEnabled() const {
return srgb_conversion != 0;
}
};
static_assert(sizeof(TICEntry) == 0x20, "TICEntry has wrong size");
enum class WrapMode : u32 {
Wrap = 0,
Mirror = 1,
ClampToEdge = 2,
Border = 3,
Clamp = 4,
MirrorOnceClampToEdge = 5,
MirrorOnceBorder = 6,
MirrorOnceClampOGL = 7,
};
enum class DepthCompareFunc : u32 {
Never = 0,
Less = 1,
Equal = 2,
LessEqual = 3,
Greater = 4,
NotEqual = 5,
GreaterEqual = 6,
Always = 7,
};
enum class TextureFilter : u32 {
Nearest = 1,
Linear = 2,
};
enum class TextureMipmapFilter : u32 {
None = 1,
Nearest = 2,
Linear = 3,
};
enum class Anisotropy {
Default,
Filter2x,
Filter4x,
Filter8x,
Filter16x,
};
struct TSCEntry {
union {
struct {
union {
BitField<0, 3, WrapMode> wrap_u;
BitField<3, 3, WrapMode> wrap_v;
BitField<6, 3, WrapMode> wrap_p;
BitField<9, 1, u32> depth_compare_enabled;
BitField<10, 3, DepthCompareFunc> depth_compare_func;
BitField<13, 1, u32> srgb_conversion;
BitField<20, 3, u32> max_anisotropy;
};
union {
BitField<0, 2, TextureFilter> mag_filter;
BitField<4, 2, TextureFilter> min_filter;
BitField<6, 2, TextureMipmapFilter> mipmap_filter;
BitField<9, 1, u32> cubemap_interface_filtering;
BitField<12, 13, u32> mip_lod_bias;
};
union {
BitField<0, 12, u32> min_lod_clamp;
BitField<12, 12, u32> max_lod_clamp;
BitField<24, 8, u32> srgb_border_color_r;
};
union {
BitField<12, 8, u32> srgb_border_color_g;
BitField<20, 8, u32> srgb_border_color_b;
};
std::array<f32, 4> border_color;
};
std::array<u8, 0x20> raw;
};
float GetMaxAnisotropy() const {
switch (static_cast<Anisotropy>(Settings::values.max_anisotropy)) {
case Anisotropy::Default:
return static_cast<float>(1U << max_anisotropy);
case Anisotropy::Filter2x:
return static_cast<float>(2U << max_anisotropy);
case Anisotropy::Filter4x:
return static_cast<float>(4U << max_anisotropy);
case Anisotropy::Filter8x:
return static_cast<float>(8U << max_anisotropy);
case Anisotropy::Filter16x:
return static_cast<float>(16U << max_anisotropy);
default:
return static_cast<float>(1U << max_anisotropy);
}
}
float GetMinLod() const {
return static_cast<float>(min_lod_clamp) / 256.0f;
}
float GetMaxLod() const {
return static_cast<float>(max_lod_clamp) / 256.0f;
}
float GetLodBias() const {
// Sign extend the 13-bit value.
constexpr u32 mask = 1U << (13 - 1);
return static_cast<float>(static_cast<s32>((mip_lod_bias ^ mask) - mask)) / 256.0f;
}
std::array<float, 4> GetBorderColor() const {
if (srgb_conversion) {
return {static_cast<float>(srgb_border_color_r) / 255.0f,
static_cast<float>(srgb_border_color_g) / 255.0f,
static_cast<float>(srgb_border_color_b) / 255.0f, border_color[3]};
}
return border_color;
}
};
static_assert(sizeof(TSCEntry) == 0x20, "TSCEntry has wrong size");
struct FullTextureInfo {
TICEntry tic;
TSCEntry tsc;
};
/// Returns the number of bytes per pixel of the input texture format.
u32 BytesPerPixel(TextureFormat format);
} // namespace Tegra::Texture
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