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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <optional>
#include <span>
#include <utility>
#include <vector>
#include <boost/container/small_vector.hpp>
#include "common/common_types.h"
#include "common/scratch_buffer.h"
#include "video_core/surface.h"
#include "video_core/texture_cache/image_base.h"
#include "video_core/texture_cache/types.h"
#include "video_core/textures/texture.h"
namespace VideoCommon {
using Tegra::Texture::TICEntry;
using LevelArray = std::array<u32, MAX_MIP_LEVELS>;
struct OverlapResult {
GPUVAddr gpu_addr;
VAddr cpu_addr;
SubresourceExtent resources;
};
[[nodiscard]] u32 CalculateGuestSizeInBytes(const ImageInfo& info) noexcept;
[[nodiscard]] u32 CalculateUnswizzledSizeBytes(const ImageInfo& info) noexcept;
[[nodiscard]] u32 CalculateConvertedSizeBytes(const ImageInfo& info) noexcept;
/// True if no 16-byte ASTC block in `data` decodes to alpha below 1.
[[nodiscard]] bool AstcDataLooksOpaque(std::span<const u8> data) noexcept;
[[nodiscard]] u32 CalculateLayerStride(const ImageInfo& info) noexcept;
[[nodiscard]] u32 CalculateLayerSize(const ImageInfo& info) noexcept;
[[nodiscard]] LevelArray CalculateMipLevelOffsets(const ImageInfo& info) noexcept;
[[nodiscard]] LevelArray CalculateMipLevelSizes(const ImageInfo& info) noexcept;
[[nodiscard]] boost::container::small_vector<u32, 16> CalculateSliceOffsets(const ImageInfo& info);
[[nodiscard]] boost::container::small_vector<SubresourceBase, 16> CalculateSliceSubresources(
const ImageInfo& info);
[[nodiscard]] u32 CalculateLevelStrideAlignment(const ImageInfo& info, u32 level);
[[nodiscard]] VideoCore::Surface::PixelFormat PixelFormatFromTIC(
const Tegra::Texture::TICEntry& config) noexcept;
[[nodiscard]] ImageViewType RenderTargetImageViewType(const ImageInfo& info) noexcept;
[[nodiscard]] boost::container::small_vector<ImageCopy, 16> MakeShrinkImageCopies(
const ImageInfo& dst, const ImageInfo& src, SubresourceBase base, u32 up_scale = 1,
u32 down_shift = 0);
[[nodiscard]] boost::container::small_vector<ImageCopy, 16> MakeReinterpretImageCopies(
const ImageInfo& src, u32 up_scale = 1, u32 down_shift = 0);
[[nodiscard]] bool IsValidEntry(const Tegra::MemoryManager& gpu_memory, const TICEntry& config);
[[nodiscard]] boost::container::small_vector<BufferImageCopy, 16> UnswizzleImage(
Tegra::MemoryManager& gpu_memory, GPUVAddr gpu_addr, const ImageInfo& info,
std::span<const u8> input, std::span<u8> output);
/// For a single-layer 2D block-linear image of 1x1-texel blocks: the host sparse blocks
/// (tile_width x tile_height texels) that the guest byte ranges (offset, size) touch, merged into
/// runs along x. Levels from tail_level on (the host's mip tail) come whole.
[[nodiscard]] std::vector<LevelRect> SparseTileRects(const ImageInfo& info,
std::span<const std::pair<u64, u64>> ranges,
u32 tile_width, u32 tile_height,
s32 tail_level);
/// Bytes UnswizzleImageRects writes for `rects`.
[[nodiscard]] size_t UnswizzledRectsBytes(const ImageInfo& info, std::span<const LevelRect> rects);
/// Unswizzles `rects` (from SparseTileRects: on GOB columns) of a single-layer 2D block-linear
/// image into output, reading only the guest blocks under them.
[[nodiscard]] std::vector<BufferImageCopy> UnswizzleImageRects(Tegra::MemoryManager& gpu_memory,
GPUVAddr gpu_addr,
const ImageInfo& info,
std::span<const LevelRect> rects,
std::span<u8> output);
/// Rewrites `copies` (from UnswizzleImage) to the layout ConvertImage produces, without converting.
void ConvertedLayout(const ImageInfo& info, std::span<BufferImageCopy> copies);
void ConvertImage(std::span<const u8> input, const ImageInfo& info, std::span<u8> output,
std::span<BufferImageCopy> copies);
[[nodiscard]] boost::container::small_vector<BufferImageCopy, 16> FullDownloadCopies(
const ImageInfo& info);
[[nodiscard]] Extent3D MipSize(Extent3D size, u32 level);
[[nodiscard]] Extent3D MipBlockSize(const ImageInfo& info, u32 level);
[[nodiscard]] boost::container::small_vector<SwizzleParameters, 16> FullUploadSwizzles(
const ImageInfo& info);
void SwizzleImage(Tegra::MemoryManager& gpu_memory, GPUVAddr gpu_addr, const ImageInfo& info,
std::span<const BufferImageCopy> copies, std::span<const u8> memory,
Common::ScratchBuffer<u8>& tmp_buffer);
[[nodiscard]] bool IsBlockLinearSizeCompatible(const ImageInfo& new_info,
const ImageInfo& overlap_info, u32 new_level,
u32 overlap_level, bool strict_size) noexcept;
[[nodiscard]] bool IsPitchLinearSameSize(const ImageInfo& lhs, const ImageInfo& rhs,
bool strict_size) noexcept;
[[nodiscard]] bool IsBlockLinearSizeCompatibleBPPRelaxed(const ImageInfo& lhs, const ImageInfo& rhs,
u32 lhs_level, u32 rhs_level) noexcept;
[[nodiscard]] std::optional<OverlapResult> ResolveOverlap(const ImageInfo& new_info,
GPUVAddr gpu_addr, VAddr cpu_addr,
const ImageBase& overlap,
bool strict_size, bool broken_views,
bool native_bgr);
[[nodiscard]] bool IsLayerStrideCompatible(const ImageInfo& lhs, const ImageInfo& rhs);
[[nodiscard]] std::optional<SubresourceBase> FindSubresource(const ImageInfo& candidate,
const ImageBase& image,
GPUVAddr candidate_addr,
RelaxedOptions options,
bool broken_views, bool native_bgr);
[[nodiscard]] bool IsSubresource(const ImageInfo& candidate, const ImageBase& image,
GPUVAddr candidate_addr, RelaxedOptions options, bool broken_views,
bool native_bgr);
[[nodiscard]] bool IsSubCopy(const ImageInfo& candidate, const ImageBase& image,
GPUVAddr candidate_addr);
void DeduceBlitImages(ImageInfo& dst_info, ImageInfo& src_info, const ImageBase* dst,
const ImageBase* src);
[[nodiscard]] u32 MapSizeBytes(const ImageBase& image);
} // namespace VideoCommon
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