1 files changed, 109 insertions, 0 deletions

diff --git a/src/video_core/texture_cache/util.h b/src/video_core/texture_cache/util.h
new file mode 100644
index 000000000..52a9207d6
--- /dev/null
+++ b/src/video_core/texture_cache/util.h
@@ -0,0 +1,109 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <optional>
+#include <span>
+
+#include "common/common_types.h"
+
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/surface.h"
+#include "video_core/texture_cache/image_base.h"
+#include "video_core/texture_cache/image_view_base.h"
+#include "video_core/texture_cache/types.h"
+#include "video_core/textures/texture.h"
+
+namespace VideoCommon {
+
+using Tegra::Texture::TICEntry;
+
+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;
+
+[[nodiscard]] u32 CalculateLayerStride(const ImageInfo& info) noexcept;
+
+[[nodiscard]] u32 CalculateLayerSize(const ImageInfo& info) noexcept;
+
+[[nodiscard]] std::array<u32, MAX_MIP_LEVELS> CalculateMipLevelOffsets(
+    const ImageInfo& info) noexcept;
+
+[[nodiscard]] std::vector<u32> CalculateSliceOffsets(const ImageInfo& info);
+
+[[nodiscard]] std::vector<SubresourceBase> 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]] std::vector<ImageCopy> MakeShrinkImageCopies(const ImageInfo& dst,
+                                                           const ImageInfo& src,
+                                                           SubresourceBase base);
+
+[[nodiscard]] bool IsValidAddress(const Tegra::MemoryManager& gpu_memory, const TICEntry& config);
+
+[[nodiscard]] std::vector<BufferImageCopy> UnswizzleImage(Tegra::MemoryManager& gpu_memory,
+                                                          GPUVAddr gpu_addr, const ImageInfo& info,
+                                                          std::span<u8> output);
+
+[[nodiscard]] BufferCopy UploadBufferCopy(Tegra::MemoryManager& gpu_memory, GPUVAddr gpu_addr,
+                                          const ImageBase& image, std::span<u8> output);
+
+void ConvertImage(std::span<const u8> input, const ImageInfo& info, std::span<u8> output,
+                  std::span<BufferImageCopy> copies);
+
+[[nodiscard]] std::vector<BufferImageCopy> FullDownloadCopies(const ImageInfo& info);
+
+[[nodiscard]] Extent3D MipSize(Extent3D size, u32 level);
+
+[[nodiscard]] Extent3D MipBlockSize(const ImageInfo& info, u32 level);
+
+[[nodiscard]] std::vector<SwizzleParameters> 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);
+
+[[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]] std::optional<OverlapResult> ResolveOverlap(const ImageInfo& new_info,
+                                                          GPUVAddr gpu_addr, VAddr cpu_addr,
+                                                          const ImageBase& overlap,
+                                                          bool strict_size, bool broken_views);
+
+[[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);
+
+[[nodiscard]] bool IsSubresource(const ImageInfo& candidate, const ImageBase& image,
+                                 GPUVAddr candidate_addr, RelaxedOptions options,
+                                 bool broken_views);
+
+void DeduceBlitImages(ImageInfo& dst_info, ImageInfo& src_info, const ImageBase* dst,
+                      const ImageBase* src);
+
+[[nodiscard]] u32 MapSizeBytes(const ImageBase& image);
+
+} // namespace VideoCommon