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remove readback hacks, allows to read/write guest memory directly

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nmzik committed 2026-07-17 05:16:00 +02:00
1 parent 013e9a4485
commit e903c93848
27 files changed
+522 -1228
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src/graphics/host_gpu/renderer/bufferCache.h
+3 -13
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@@ -39,7 +39,6 @@ struct BufferCacheRange {
[[nodiscard]] bool MergeOverlappingBufferCacheRange(BufferCacheRange* merged,
BufferCacheRange candidate) noexcept;
[[nodiscard]] bool CanMergeBufferCacheQueueMask(uint64_t queue_mask, uint32_t queue) noexcept;
[[nodiscard]] bool CanReadbackBufferCacheQueueMask(uint64_t queue_mask, uint32_t queue) noexcept;
class BufferCache {
public:
@@ -61,11 +60,9 @@ public:
// Emulator-owned, CPU-current scratch only. Guest ranges must use ObtainBuffer so page
// ownership is resolved before any CPU access.
[[nodiscard]] bool UploadHostData(CommandBuffer* command, GraphicContext* ctx, const void* src,
uint64_t size, uint64_t alignment,
VulkanBuffer** out_buffer, uint64_t* out_offset,
uint64_t* out_range);
[[nodiscard]] VulkanBuffer* ObtainNullBuffer(CommandBuffer* command,
GraphicContext* ctx);
uint64_t size, uint64_t alignment, VulkanBuffer** out_buffer,
uint64_t* out_offset, uint64_t* out_range);
[[nodiscard]] VulkanBuffer* ObtainNullBuffer(CommandBuffer* command, GraphicContext* ctx);
[[nodiscard]] BufferImageCopySource ObtainBufferForImage(uint64_t vaddr, uint64_t size);
void FillBuffer(CommandBuffer* command, GraphicContext* ctx, uint64_t vaddr, uint64_t size,
uint32_t value);
@@ -84,19 +81,12 @@ public:
private:
struct CachedBuffer;
struct ReadbackWorker;
struct CommandProcessorReadbackResources;
void RequestCommandProcessorReadback(PageFaultAccess access, uint64_t vaddr, uint64_t size);
[[nodiscard]] bool CompleteCommandProcessorReadback(PageFaultAccess access, uint64_t vaddr,
uint64_t size) noexcept;
[[nodiscard]] bool ReleaseCommandProcessorReadback(PageFaultAccess access, uint64_t vaddr,
uint64_t size) noexcept;
Common::Mutex m_mutex;
std::vector<VulkanBuffer*> m_delete_later;
std::shared_ptr<VulkanBuffer> m_null_buffer;
std::map<uint64_t, std::unique_ptr<CachedBuffer>> m_buffers;
std::unique_ptr<ReadbackWorker> m_readback;
std::unique_ptr<CommandProcessorReadbackResources> m_cp_readback_resources;
RangeSet m_gpu_modified_ranges;
MemoryTracker m_memory_tracker;
PageManager& m_page_manager;