mirror of
https://github.com/shadps4-emu/shadPS4.git
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496 lines
13 KiB
C++
496 lines
13 KiB
C++
// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "common/alignment.h"
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#include "common/assert.h"
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#include "common/bit_field.h"
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#include "common/types.h"
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#include "video_core/amdgpu/pixel_format.h"
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namespace AmdGpu {
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// Table 8.5 Buffer Resource Descriptor [Sea Islands Series Instruction Set Architecture]
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struct Buffer {
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u64 base_address : 44;
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u64 _padding0 : 4;
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u64 stride : 14;
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u64 cache_swizzle : 1;
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u64 swizzle_enable : 1;
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u32 num_records;
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u32 dst_sel_x : 3;
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u32 dst_sel_y : 3;
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u32 dst_sel_z : 3;
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u32 dst_sel_w : 3;
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u32 num_format : 3;
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u32 data_format : 4;
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u32 element_size : 2;
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u32 index_stride : 2;
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u32 add_tid_enable : 1;
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u32 _padding1 : 6;
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u32 type : 2; // overlaps with T# type, so should be 0 for buffer
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bool Valid() const {
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return type == 0u;
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}
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operator bool() const noexcept {
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return base_address != 0;
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}
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bool operator==(const Buffer& other) const noexcept {
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return std::memcmp(this, &other, sizeof(Buffer)) == 0;
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}
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CompMapping DstSelect() const {
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const CompMapping dst_sel{
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.r = CompSwizzle(dst_sel_x),
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.g = CompSwizzle(dst_sel_y),
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.b = CompSwizzle(dst_sel_z),
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.a = CompSwizzle(dst_sel_w),
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};
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return RemapSwizzle(DataFormat(data_format), dst_sel);
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}
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NumberFormat GetNumberFmt() const noexcept {
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return RemapNumberFormat(NumberFormat(num_format), DataFormat(data_format));
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}
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DataFormat GetDataFmt() const noexcept {
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return RemapDataFormat(DataFormat(data_format));
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}
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NumberConversion GetNumberConversion() const noexcept {
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return MapNumberConversion(NumberFormat(num_format));
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}
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u32 GetStride() const noexcept {
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return stride;
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}
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u32 NumDwords() const noexcept {
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return Common::AlignUp(GetSize(), sizeof(u32)) >> 2;
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}
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u32 GetSize() const noexcept {
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return stride == 0 ? num_records : (stride * num_records);
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}
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};
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static_assert(sizeof(Buffer) == 16); // 128bits
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enum class ImageType : u64 {
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Invalid = 0,
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Color1D = 8,
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Color2D = 9,
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Color3D = 10,
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Cube = 11,
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Color1DArray = 12,
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Color2DArray = 13,
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Color2DMsaa = 14,
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Color2DMsaaArray = 15,
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};
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constexpr std::string_view NameOf(ImageType type) {
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switch (type) {
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case ImageType::Invalid:
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return "Invalid";
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case ImageType::Color1D:
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return "Color1D";
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case ImageType::Color2D:
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return "Color2D";
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case ImageType::Color3D:
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return "Color3D";
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case ImageType::Cube:
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return "Cube";
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case ImageType::Color1DArray:
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return "Color1DArray";
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case ImageType::Color2DArray:
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return "Color2DArray";
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case ImageType::Color2DMsaa:
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return "Color2DMsaa";
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case ImageType::Color2DMsaaArray:
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return "Color2DMsaaArray";
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default:
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return "Unknown";
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}
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}
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enum class TilingMode : u32 {
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Depth_MacroTiled = 0u,
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Display_Linear = 0x8u,
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Display_MacroTiled = 0xAu,
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Texture_MicroTiled = 0xDu,
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Texture_MacroTiled = 0xEu,
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Texture_Volume = 0x13u,
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};
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constexpr std::string_view NameOf(TilingMode type) {
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switch (type) {
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case TilingMode::Depth_MacroTiled:
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return "Depth_MacroTiled";
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case TilingMode::Display_Linear:
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return "Display_Linear";
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case TilingMode::Display_MacroTiled:
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return "Display_MacroTiled";
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case TilingMode::Texture_MicroTiled:
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return "Texture_MicroTiled";
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case TilingMode::Texture_MacroTiled:
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return "Texture_MacroTiled";
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case TilingMode::Texture_Volume:
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return "Texture_Volume";
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default:
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return "Unknown";
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}
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}
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struct Image {
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u64 base_address : 38;
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u64 mtype_l2 : 2;
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u64 min_lod : 12;
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u64 data_format : 6;
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u64 num_format : 4;
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u64 mtype : 2;
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u64 width : 14;
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u64 height : 14;
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u64 perf_modulation : 3;
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u64 interlaced : 1;
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u64 dst_sel_x : 3;
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u64 dst_sel_y : 3;
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u64 dst_sel_z : 3;
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u64 dst_sel_w : 3;
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u64 base_level : 4;
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u64 last_level : 4;
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u64 tiling_index : 5;
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u64 pow2pad : 1;
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u64 mtype2 : 1;
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u64 atc : 1;
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u64 type : 4; // overlaps with V# type, so shouldn't be 0 for buffer
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u64 depth : 13;
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u64 pitch : 14;
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u64 : 5;
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u64 base_array : 13;
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u64 last_array : 13;
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u64 : 6;
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u64 min_lod_warn : 12;
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u64 counter_bank_id : 8;
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u64 lod_hw_cnt_en : 1;
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/// Neo-mode only
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u64 compression_en : 1;
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/// Neo-mode only
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u64 alpha_is_on_msb : 1;
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/// Neo-mode only
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u64 color_transform : 1;
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/// Neo-mode only
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u64 alt_tile_mode : 1;
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u64 : 39;
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static constexpr Image Null() {
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Image image{};
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image.data_format = u64(DataFormat::Format8_8_8_8);
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image.num_format = u64(NumberFormat::Unorm);
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image.dst_sel_x = u64(CompSwizzle::Red);
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image.dst_sel_y = u64(CompSwizzle::Green);
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image.dst_sel_z = u64(CompSwizzle::Blue);
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image.dst_sel_w = u64(CompSwizzle::Alpha);
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image.tiling_index = u64(TilingMode::Texture_MicroTiled);
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image.type = u64(ImageType::Color2D);
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return image;
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}
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bool Valid() const {
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return (type & 0x8u) != 0;
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}
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VAddr Address() const {
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return base_address << 8;
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}
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operator bool() const noexcept {
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return base_address != 0;
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}
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CompMapping DstSelect() const {
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const CompMapping dst_sel{
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.r = CompSwizzle(dst_sel_x),
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.g = CompSwizzle(dst_sel_y),
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.b = CompSwizzle(dst_sel_z),
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.a = CompSwizzle(dst_sel_w),
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};
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return RemapSwizzle(DataFormat(data_format), dst_sel);
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}
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u32 Pitch() const {
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return pitch + 1;
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}
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[[nodiscard]] u32 NumLayers() const noexcept {
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// Depth is the number of layers for Array images.
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u32 slices = depth + 1;
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if (GetType() == ImageType::Color3D) {
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// Depth is the actual texture depth for 3D images.
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slices = 1;
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} else if (IsCube()) {
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// Depth is the number of full cubes for Cube images.
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slices *= 6;
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}
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if (pow2pad) {
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slices = std::bit_ceil(slices);
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}
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return slices;
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}
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u32 NumLevels() const {
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if (GetType() == ImageType::Color2DMsaa || GetType() == ImageType::Color2DMsaaArray) {
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return 1;
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}
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return last_level + 1;
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}
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u32 NumSamples() const {
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if (GetType() == ImageType::Color2DMsaa || GetType() == ImageType::Color2DMsaaArray) {
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return 1u << last_level;
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}
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return 1;
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}
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bool IsCube() const noexcept {
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return static_cast<ImageType>(type) == ImageType::Cube;
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}
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ImageType GetType() const noexcept {
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return IsCube() ? ImageType::Color2DArray : static_cast<ImageType>(type);
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}
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DataFormat GetDataFmt() const noexcept {
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return RemapDataFormat(DataFormat(data_format));
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}
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NumberFormat GetNumberFmt() const noexcept {
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return RemapNumberFormat(NumberFormat(num_format), DataFormat(data_format));
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}
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NumberConversion GetNumberConversion() const noexcept {
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return MapNumberConversion(NumberFormat(num_format));
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}
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TilingMode GetTilingMode() const {
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if (tiling_index >= 0 && tiling_index <= 7) {
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return tiling_index == 5 ? TilingMode::Texture_MicroTiled
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: TilingMode::Depth_MacroTiled;
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}
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return static_cast<TilingMode>(tiling_index);
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}
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bool IsTiled() const {
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return GetTilingMode() != TilingMode::Display_Linear;
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}
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bool IsFmask() const noexcept {
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return GetDataFmt() >= DataFormat::FormatFmask8_1 &&
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GetDataFmt() <= DataFormat::FormatFmask64_8;
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}
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[[nodiscard]] ImageType GetViewType(const bool is_array) const noexcept {
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const auto base_type = GetType();
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if (IsCube()) {
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// Cube needs to remain array type regardless of instruction array specifier.
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return base_type;
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}
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if (base_type == ImageType::Color1DArray && !is_array) {
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return ImageType::Color1D;
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}
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if (base_type == ImageType::Color2DArray && !is_array) {
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return ImageType::Color2D;
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}
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if (base_type == ImageType::Color2DMsaaArray && !is_array) {
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return ImageType::Color2DMsaa;
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}
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return base_type;
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}
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[[nodiscard]] u32 NumViewLevels(const bool is_array) const noexcept {
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switch (GetViewType(is_array)) {
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case ImageType::Color2DMsaa:
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case ImageType::Color2DMsaaArray:
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return 1;
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default:
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// Constrain to actual number of available levels.
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const auto max_level = std::min<u32>(last_level + 1, NumLevels());
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return max_level > base_level ? max_level - base_level : 1;
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}
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}
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[[nodiscard]] u32 NumViewLayers(const bool is_array) const noexcept {
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switch (GetViewType(is_array)) {
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case ImageType::Color1D:
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case ImageType::Color2D:
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case ImageType::Color2DMsaa:
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case ImageType::Color3D:
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return 1;
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default:
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// Constrain to actual number of available layers.
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const auto max_array = std::min<u32>(last_array + 1, NumLayers());
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return max_array > base_array ? max_array - base_array : 1;
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}
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}
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};
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static_assert(sizeof(Image) == 32); // 256bits
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// 8.2.7. Image Sampler [RDNA 2 Instruction Set Architecture]
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enum class ClampMode : u64 {
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Wrap = 0,
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Mirror = 1,
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ClampLastTexel = 2,
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MirrorOnceLastTexel = 3,
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ClampHalfBorder = 4,
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MirrorOnceHalfBorder = 5,
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ClampBorder = 6,
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MirrorOnceBorder = 7,
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};
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enum class AnisoRatio : u64 {
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One,
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Two,
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Four,
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Eight,
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Sixteen,
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};
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enum class DepthCompare : u64 {
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Never = 0,
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Less = 1,
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Equal = 2,
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LessEqual = 3,
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Greater = 4,
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NotEqual = 5,
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GreaterEqual = 6,
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Always = 7,
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};
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enum class FilterMode : u64 {
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Blend = 0,
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Min = 1,
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Max = 2,
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};
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enum class Filter : u64 {
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Point = 0,
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Bilinear = 1,
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AnisoPoint = 2,
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AnisoLinear = 3,
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};
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constexpr bool IsAnisoFilter(const Filter filter) {
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switch (filter) {
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case Filter::AnisoPoint:
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case Filter::AnisoLinear:
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return true;
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default:
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return false;
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}
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}
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enum class MipFilter : u64 {
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None = 0,
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Point = 1,
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Linear = 2,
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};
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enum class BorderColor : u64 {
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TransparentBlack = 0,
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OpaqueBlack = 1,
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White = 2,
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Custom = 3,
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};
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// Table 8.12 Sampler Resource Definition
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struct Sampler {
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union {
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u64 raw0;
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BitField<0, 3, ClampMode> clamp_x;
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BitField<3, 3, ClampMode> clamp_y;
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BitField<6, 3, ClampMode> clamp_z;
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BitField<9, 3, AnisoRatio> max_aniso;
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BitField<12, 3, DepthCompare> depth_compare_func;
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BitField<15, 1, u64> force_unnormalized;
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BitField<16, 3, u64> aniso_threshold;
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BitField<19, 1, u64> mc_coord_trunc;
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BitField<20, 1, u64> force_degamma;
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BitField<21, 6, u64> aniso_bias;
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BitField<27, 1, u64> trunc_coord;
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BitField<28, 1, u64> disable_cube_wrap;
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BitField<29, 2, FilterMode> filter_mode;
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BitField<32, 12, u64> min_lod;
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BitField<44, 12, u64> max_lod;
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BitField<56, 4, u64> perf_mip;
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BitField<60, 4, u64> perf_z;
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};
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union {
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u64 raw1;
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BitField<0, 14, u64> lod_bias;
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BitField<14, 6, u64> lod_bias_sec;
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BitField<20, 2, Filter> xy_mag_filter;
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BitField<22, 2, Filter> xy_min_filter;
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BitField<24, 2, u64> z_filter;
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BitField<26, 2, MipFilter> mip_filter;
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BitField<28, 1, u64> mip_point_preclamp;
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BitField<29, 1, u64> disable_lsb_ceil;
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BitField<30, 2, u64> unused0;
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BitField<32, 12, u64> border_color_ptr;
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BitField<42, 18, u64> unused1;
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BitField<62, 2, BorderColor> border_color_type;
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};
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operator bool() const noexcept {
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return raw0 != 0 || raw1 != 0;
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}
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bool operator==(const Sampler& other) const noexcept {
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return std::memcmp(this, &other, sizeof(Sampler)) == 0;
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}
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float LodBias() const noexcept {
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return static_cast<float>(static_cast<int16_t>((lod_bias.Value() ^ 0x2000u) - 0x2000u)) /
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256.0f;
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}
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float MinLod() const noexcept {
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return static_cast<float>(min_lod.Value()) / 256.0f;
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}
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float MaxLod() const noexcept {
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return static_cast<float>(max_lod.Value()) / 256.0f;
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}
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float MaxAniso() const {
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switch (max_aniso.Value()) {
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case AnisoRatio::One:
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return 1.0f;
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case AnisoRatio::Two:
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return 2.0f;
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case AnisoRatio::Four:
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return 4.0f;
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case AnisoRatio::Eight:
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return 8.0f;
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case AnisoRatio::Sixteen:
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return 16.0f;
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default:
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UNREACHABLE();
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}
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}
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};
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} // namespace AmdGpu
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template <>
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struct fmt::formatter<AmdGpu::ImageType> {
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constexpr auto parse(format_parse_context& ctx) {
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return ctx.begin();
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}
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auto format(AmdGpu::ImageType type, format_context& ctx) const {
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return fmt::format_to(ctx.out(), "{}", AmdGpu::NameOf(type));
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}
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};
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