1 files changed, 21 insertions, 0 deletions
diff --git a/src/video_core/texture_cache/texture_cache_base.h b/src/video_core/texture_cache/texture_cache_base.h
index 485eaabaa..848a5d9ea 100644
--- a/src/video_core/texture_cache/texture_cache_base.h
+++ b/src/video_core/texture_cache/texture_cache_base.h
@@ -3,6 +3,7 @@
 
 #pragma once
 
+#include <atomic>
 #include <deque>
 #include <limits>
 #include <mutex>
@@ -18,6 +19,7 @@
 #include "common/lru_cache.h"
 #include "common/polyfill_ranges.h"
 #include "common/scratch_buffer.h"
+#include "common/thread_worker.h"
 #include "video_core/compatible_formats.h"
 #include "video_core/control/channel_state_cache.h"
 #include "video_core/delayed_destruction_ring.h"
@@ -54,6 +56,14 @@ struct ImageViewInOut {
     ImageViewId id{};
 };
 
+struct AsyncDecodeContext {
+    ImageId image_id;
+    Common::ScratchBuffer<u8> decoded_data;
+    std::vector<BufferImageCopy> copies;
+    std::mutex mutex;
+    std::atomic_bool complete;
+};
+
 using TextureCacheGPUMap = std::unordered_map<u64, std::vector<ImageId>, Common::IdentityHash<u64>>;
 
 class TextureCacheChannelInfo : public ChannelInfo {
@@ -199,6 +209,9 @@ public:
     /// Pop asynchronous downloads
     void PopAsyncFlushes();
 
+    [[nodiscard]] std::optional<std::pair<Image*, std::pair<u32, u32>>> ObtainImage(
+        const Tegra::DMA::ImageOperand& operand, bool mark_as_modified);
+
     /// Return true when a CPU region is modified from the GPU
     [[nodiscard]] bool IsRegionGpuModified(VAddr addr, size_t size);
 
@@ -290,6 +303,8 @@ private:
     /// Remove joined images from the cache
     [[nodiscard]] ImageId JoinImages(const ImageInfo& info, GPUVAddr gpu_addr, VAddr cpu_addr);
 
+    [[nodiscard]] ImageId FindDMAImage(const ImageInfo& info, GPUVAddr gpu_addr);
+
     /// Return a blit image pair from the given guest blit parameters
     [[nodiscard]] std::optional<BlitImages> GetBlitImages(
         const Tegra::Engines::Fermi2D::Surface& dst, const Tegra::Engines::Fermi2D::Surface& src,
@@ -377,6 +392,9 @@ private:
     bool ScaleDown(Image& image);
     u64 GetScaledImageSizeBytes(const ImageBase& image);
 
+    void QueueAsyncDecode(Image& image, ImageId image_id);
+    void TickAsyncDecode();
+
     Runtime& runtime;
 
     VideoCore::RasterizerInterface& rasterizer;
@@ -430,6 +448,9 @@ private:
 
     u64 modification_tick = 0;
     u64 frame_tick = 0;
+
+    Common::ThreadWorker texture_decode_worker{1, "TextureDecoder"};
+    std::vector<std::unique_ptr<AsyncDecodeContext>> async_decodes;
 };
 
 } // namespace VideoCommon