Merge pull request #4967 from ReinUsesLisp/new-texcache

video_core/texture_cache: Rewrite the texture cache

1 files changed, 83 insertions, 0 deletions

diff --git a/src/video_core/texture_cache/image_base.h b/src/video_core/texture_cache/image_base.h
new file mode 100644
index 000000000..b7f3b7e43
--- /dev/null
+++ b/src/video_core/texture_cache/image_base.h
@@ -0,0 +1,83 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <optional>
+#include <vector>
+
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "video_core/texture_cache/image_info.h"
+#include "video_core/texture_cache/image_view_info.h"
+#include "video_core/texture_cache/types.h"
+
+namespace VideoCommon {
+
+enum class ImageFlagBits : u32 {
+    AcceleratedUpload = 1 << 0, ///< Upload can be accelerated in the GPU
+    Converted = 1 << 1,   ///< Guest format is not supported natively and it has to be converted
+    CpuModified = 1 << 2, ///< Contents have been modified from the CPU
+    GpuModified = 1 << 3, ///< Contents have been modified from the GPU
+    Tracked = 1 << 4,     ///< Writes and reads are being hooked from the CPU JIT
+    Strong = 1 << 5,      ///< Exists in the image table, the dimensions are can be trusted
+    Registered = 1 << 6,  ///< True when the image is registered
+    Picked = 1 << 7,      ///< Temporary flag to mark the image as picked
+};
+DECLARE_ENUM_FLAG_OPERATORS(ImageFlagBits)
+
+struct ImageViewInfo;
+
+struct AliasedImage {
+    std::vector<ImageCopy> copies;
+    ImageId id;
+};
+
+struct ImageBase {
+    explicit ImageBase(const ImageInfo& info, GPUVAddr gpu_addr, VAddr cpu_addr);
+
+    [[nodiscard]] std::optional<SubresourceBase> TryFindBase(GPUVAddr other_addr) const noexcept;
+
+    [[nodiscard]] ImageViewId FindView(const ImageViewInfo& view_info) const noexcept;
+
+    void InsertView(const ImageViewInfo& view_info, ImageViewId image_view_id);
+
+    [[nodiscard]] bool Overlaps(VAddr overlap_cpu_addr, size_t overlap_size) const noexcept {
+        const VAddr overlap_end = overlap_cpu_addr + overlap_size;
+        return cpu_addr < overlap_end && overlap_cpu_addr < cpu_addr_end;
+    }
+
+    ImageInfo info;
+
+    u32 guest_size_bytes = 0;
+    u32 unswizzled_size_bytes = 0;
+    u32 converted_size_bytes = 0;
+    ImageFlagBits flags = ImageFlagBits::CpuModified;
+
+    GPUVAddr gpu_addr = 0;
+    VAddr cpu_addr = 0;
+    VAddr cpu_addr_end = 0;
+
+    u64 modification_tick = 0;
+    u64 frame_tick = 0;
+
+    std::array<u32, MAX_MIP_LEVELS> mip_level_offsets{};
+
+    std::vector<ImageViewInfo> image_view_infos;
+    std::vector<ImageViewId> image_view_ids;
+
+    std::vector<u32> slice_offsets;
+    std::vector<SubresourceBase> slice_subresources;
+
+    std::vector<AliasedImage> aliased_images;
+};
+
+struct ImageAllocBase {
+    std::vector<ImageId> images;
+};
+
+void AddImageAlias(ImageBase& lhs, ImageBase& rhs, ImageId lhs_id, ImageId rhs_id);
+
+} // namespace VideoCommon