metal: create texture cache in rasterizer

src/video_core/renderer_metal/mtl_rasterizer.h

@@ -3,10 +3,11 @@
 #pragma once
 
 #include "common/common_types.h"
+#include "mtl_texture_cache.h"
 #include "video_core/control/channel_state_cache.h"
 #include "video_core/engines/maxwell_dma.h"
 #include "video_core/rasterizer_interface.h"
-#include "video_core/renderer_metal/objc_bridge.h"
+#include "video_core/renderer_metal/mtl_texture_cache.h"
 
 namespace Core {
 class System;
@@ -17,6 +18,7 @@ namespace Metal {
 class Device;
 class CommandRecorder;
 class SwapChain;
+class TextureCacheRuntime;
 
 class RasterizerMetal;
 
@@ -38,8 +40,9 @@ public:
 class RasterizerMetal final : public VideoCore::RasterizerInterface,
                               protected VideoCommon::ChannelSetupCaches<VideoCommon::ChannelInfo> {
 public:
-    explicit RasterizerMetal(Tegra::GPU& gpu_, const Device& device_,
-                             CommandRecorder& command_recorder_, const SwapChain& swap_chain_);
+    explicit RasterizerMetal(Tegra::GPU& gpu_, Tegra::MaxwellDeviceMemoryManager& device_memory_,
+                             const Device& device_, CommandRecorder& command_recorder_,
+                             const SwapChain& swap_chain_);
     ~RasterizerMetal() override;
 
     void Draw(bool is_indexed, u32 instance_count) override;
@@ -91,10 +94,15 @@ public:
 private:
     Tegra::GPU& gpu;
     AccelerateDMA accelerate_dma;
+    Tegra::MaxwellDeviceMemoryManager& device_memory;
 
     const Device& device;
     CommandRecorder& command_recorder;
     const SwapChain& swap_chain;
+
+    StagingBufferPool staging_buffer_pool;
+    TextureCacheRuntime texture_cache_runtime;
+    TextureCache texture_cache;
 };
 
 } // namespace Metal

src/video_core/renderer_metal/mtl_rasterizer.mm

@@ -11,6 +11,7 @@
 #include "video_core/renderer_metal/mtl_command_recorder.h"
 #include "video_core/renderer_metal/mtl_device.h"
 #include "video_core/renderer_metal/mtl_rasterizer.h"
+#include "video_core/texture_cache/texture_cache_base.h"
 
 #include <iostream>
 
@@ -25,9 +26,15 @@ bool AccelerateDMA::BufferClear(GPUVAddr src_address, u64 amount, u32 value) {
     return true;
 }
 
-RasterizerMetal::RasterizerMetal(Tegra::GPU& gpu_, const Device& device_,
-                                 CommandRecorder& command_recorder_, const SwapChain& swap_chain_)
-    : gpu{gpu_}, device{device_}, command_recorder{command_recorder_}, swap_chain{swap_chain_} {}
+RasterizerMetal::RasterizerMetal(Tegra::GPU& gpu_,
+                                 Tegra::MaxwellDeviceMemoryManager& device_memory_,
+                                 const Device& device_, CommandRecorder& command_recorder_,
+                                 const SwapChain& swap_chain_)
+    : gpu{gpu_}, device_memory{device_memory_}, device{device_},
+      command_recorder{command_recorder_}, swap_chain{swap_chain_},
+      staging_buffer_pool(device, command_recorder),
+      texture_cache_runtime(device, command_recorder, staging_buffer_pool),
+      texture_cache(texture_cache_runtime, device_memory) {}
 RasterizerMetal::~RasterizerMetal() = default;
 
 void RasterizerMetal::Draw(bool is_indexed, u32 instance_count) {

src/video_core/renderer_metal/mtl_staging_buffer_pool.mm

@@ -42,7 +42,7 @@ constexpr size_t REGION_SIZE = STREAM_BUFFER_SIZE / StagingBufferPool::NUM_SYNCS
 StagingBufferPool::StagingBufferPool(const Device& device_, CommandRecorder& command_recorder_)
     : device{device_}, command_recorder{command_recorder_} {
     stream_buffer = [device.GetDevice() newBufferWithLength:STREAM_BUFFER_SIZE
-                                                    options:MTLResourceStorageModePrivate];
+                                                    options:MTLResourceStorageModeShared];
 }
 
 StagingBufferPool::~StagingBufferPool() = default;
@@ -83,7 +83,7 @@ StagingBufferRef StagingBufferPool::CreateStagingBuffer(size_t size, MemoryUsage
                                                         bool deferred) {
     const u32 log2 = Common::Log2Ceil64(size);
     MTLBuffer_t buffer = [device.GetDevice() newBufferWithLength:size
-                                                         options:MTLResourceStorageModePrivate];
+                                                         options:MTLResourceStorageModeShared];
     // TODO: check if the mapped span is correct
     std::span<u8> mapped_span(static_cast<u8*>([buffer contents]), size);
     auto& entry = GetCache(usage)[log2].entries.emplace_back(buffer, mapped_span);

src/video_core/renderer_metal/mtl_texture_cache.h

@@ -4,6 +4,7 @@
 
 #include <span>
 
+#include "mtl_staging_buffer_pool.h"
 #include "video_core/texture_cache/texture_cache_base.h"
 
 #include "shader_recompiler/shader_info.h"
@@ -24,6 +25,7 @@ using VideoCommon::Region2D;
 using VideoCommon::RenderTargets;
 using VideoCore::Surface::PixelFormat;
 
+class CommandRecorder;
 class Device;
 class Image;
 class ImageView;
@@ -31,9 +33,13 @@ class Framebuffer;
 
 class TextureCacheRuntime {
 public:
-    explicit TextureCacheRuntime(const Device& device_);
+    explicit TextureCacheRuntime(const Device& device_, CommandRecorder& command_recorder_,
+                                 StagingBufferPool& staging_buffer_pool_);
 
-    void Finish();
+    // TODO: implement
+    void Finish() {}
+
+    void TickFrame();
 
     StagingBufferRef UploadStagingBuffer(size_t size);
 
@@ -45,35 +51,49 @@ public:
         return true;
     }
 
-    void TickFrame();
+    u64 GetDeviceLocalMemory() const {
+        return 0;
+    }
 
-    u64 GetDeviceLocalMemory() const;
+    u64 GetDeviceMemoryUsage() const {
+        return 0;
+    }
 
-    u64 GetDeviceMemoryUsage() const;
-
-    bool CanReportMemoryUsage() const;
+    bool CanReportMemoryUsage() const {
+        return false;
+    }
 
+    // TODO: implement
     void BlitImage(Framebuffer* dst_framebuffer, ImageView& dst, ImageView& src,
                    const Region2D& dst_region, const Region2D& src_region,
                    Tegra::Engines::Fermi2D::Filter filter,
-                   Tegra::Engines::Fermi2D::Operation operation);
+                   Tegra::Engines::Fermi2D::Operation operation) {}
 
-    void CopyImage(Image& dst, Image& src, std::span<const VideoCommon::ImageCopy> copies);
+    // TODO: implement
+    void CopyImage(Image& dst, Image& src, std::span<const VideoCommon::ImageCopy> copies) {}
 
-    void CopyImageMSAA(Image& dst, Image& src, std::span<const VideoCommon::ImageCopy> copies);
+    // TODO: implement
+    void CopyImageMSAA(Image& dst, Image& src, std::span<const VideoCommon::ImageCopy> copies) {}
 
-    bool ShouldReinterpret(Image& dst, Image& src);
+    bool ShouldReinterpret(Image& dst, Image& src) {
+        // HACK
+        return false;
+    }
 
-    void ReinterpretImage(Image& dst, Image& src, std::span<const VideoCommon::ImageCopy> copies);
+    // TODO: implement
+    void ReinterpretImage(Image& dst, Image& src, std::span<const VideoCommon::ImageCopy> copies) {}
 
-    void ConvertImage(Framebuffer* dst, ImageView& dst_view, ImageView& src_view);
+    // TODO: implement
+    void ConvertImage(Framebuffer* dst, ImageView& dst_view, ImageView& src_view) {}
 
-    void InsertUploadMemoryBarrier();
+    // TODO: implement
+    void InsertUploadMemoryBarrier() {}
 
     void TransitionImageLayout(Image& image) {}
 
+    // TODO: implement
     void AccelerateImageUpload(Image&, const StagingBufferRef&,
-                               std::span<const VideoCommon::SwizzleParameters>);
+                               std::span<const VideoCommon::SwizzleParameters>) {}
 
     bool HasNativeBgr() const noexcept {
         return true;
@@ -83,9 +103,12 @@ public:
         return false;
     }
 
-    void BarrierFeedbackLoop();
+    // TODO: implement
+    void BarrierFeedbackLoop() {}
 
     const Device& device;
+    CommandRecorder& command_recorder;
+    StagingBufferPool& staging_buffer_pool;
     const Settings::ResolutionScalingInfo& resolution;
 };
 
@@ -112,25 +135,39 @@ public:
     void DownloadMemory(MTLBuffer_t buffer, size_t offset,
                         std::span<const VideoCommon::BufferImageCopy> copies);
 
+    // For some reason, this function cannot be defined in the .mm file since it would report
+    // undefined symbols
     void DownloadMemory(std::span<MTLBuffer_t> buffers, std::span<size_t> offsets,
-                        std::span<const VideoCommon::BufferImageCopy> copies);
+                        std::span<const VideoCommon::BufferImageCopy> copies) {
+        // TODO: implement
+    }
 
     void DownloadMemory(const StagingBufferRef& map,
                         std::span<const VideoCommon::BufferImageCopy> copies);
 
-    bool IsRescaled() const;
+    bool IsRescaled() const {
+        return rescaled;
+    }
 
-    bool ScaleUp(bool ignore = false);
+    bool ScaleUp(bool ignore = false) {
+        // HACK
+        return true;
+    }
 
-    bool ScaleDown(bool ignore = false);
+    bool ScaleDown(bool ignore = false) {
+        // HACK
+        return true;
+    }
 
     MTLTexture_t GetHandle() const noexcept {
         return texture;
     }
 
 private:
-    MTLTexture_t texture;
+    MTLTexture_t texture = nil;
     bool initialized = false;
+
+    bool rescaled = false;
 };
 
 class ImageView : public VideoCommon::ImageViewBase {

src/video_core/renderer_metal/mtl_texture_cache.mm

@@ -33,11 +33,26 @@ using VideoCore::Surface::IsPixelFormatASTC;
 using VideoCore::Surface::IsPixelFormatInteger;
 using VideoCore::Surface::SurfaceType;
 
-TextureCacheRuntime::TextureCacheRuntime(const Device &device_)
-    : device{device_}, resolution{Settings::values.resolution_info} {}
+TextureCacheRuntime::TextureCacheRuntime(const Device& device_, CommandRecorder& command_recorder_,
+                                         StagingBufferPool& staging_buffer_pool_)
+    : device{device_}, command_recorder{command_recorder_},
+      staging_buffer_pool{staging_buffer_pool_},
+      resolution{Settings::values.resolution_info} {}
 
 void TextureCacheRuntime::TickFrame() {}
 
+StagingBufferRef TextureCacheRuntime::UploadStagingBuffer(size_t size) {
+    return staging_buffer_pool.Request(size, MemoryUsage::Upload);
+}
+
+StagingBufferRef TextureCacheRuntime::DownloadStagingBuffer(size_t size, bool deferred) {
+    return staging_buffer_pool.Request(size, MemoryUsage::Download, deferred);
+}
+
+void TextureCacheRuntime::FreeDeferredStagingBuffer(StagingBufferRef& ref) {
+    staging_buffer_pool.FreeDeferred(ref);
+}
+
 Image::Image(TextureCacheRuntime& runtime, const ImageInfo& info,
              GPUVAddr gpu_addr_, VAddr cpu_addr_)
     : VideoCommon::ImageBase(info, gpu_addr_, cpu_addr_) {
@@ -52,7 +67,42 @@ Image::Image(TextureCacheRuntime &runtime, const ImageInfo &info,
         [runtime.device.GetDevice() newTextureWithDescriptor:texture_descriptor];
 }
 
-Image::~Image() { [texture release]; }
+Image::Image(const VideoCommon::NullImageParams& params) : VideoCommon::ImageBase{params} {}
+
+Image::~Image() {
+    if (texture) {
+        [texture release];
+    }
+}
+
+// TODO: implement these
+void Image::UploadMemory(MTLBuffer_t buffer, size_t offset,
+                         std::span<const VideoCommon::BufferImageCopy> copies) {
+    ;
+}
+
+void Image::UploadMemory(const StagingBufferRef& map,
+                         std::span<const VideoCommon::BufferImageCopy> copies) {
+    ;
+}
+
+void Image::DownloadMemory(MTLBuffer_t buffer, size_t offset,
+                           std::span<const VideoCommon::BufferImageCopy> copies) {
+    ;
+}
+
+// TODO: uncomment
+/*
+void Image::DownloadMemory(std::span<MTLBuffer_t> buffers, std::span<size_t> offsets,
+                           std::span<const VideoCommon::BufferImageCopy> copies) {
+    ;
+}
+*/
+
+void Image::DownloadMemory(const StagingBufferRef& map,
+                           std::span<const VideoCommon::BufferImageCopy> copies) {
+    ;
+}
 
 ImageView::ImageView(TextureCacheRuntime& runtime,
                      const VideoCommon::ImageViewInfo& info, ImageId image_id_,
@@ -72,6 +122,17 @@ ImageView::ImageView(TextureCacheRuntime &runtime,
     // TODO: save slot images
 }
 
+ImageView::ImageView(TextureCacheRuntime&, const VideoCommon::ImageInfo& info,
+                     const VideoCommon::ImageViewInfo& view_info, GPUVAddr gpu_addr_)
+    : VideoCommon::ImageViewBase{info, view_info, gpu_addr_} {
+    // TODO: implement
+}
+
+ImageView::ImageView(TextureCacheRuntime& runtime, const VideoCommon::NullImageViewParams& params)
+    : VideoCommon::ImageViewBase{params} {
+    // TODO: implement
+}
+
 ImageView::~ImageView() { [texture release]; }
 
 Sampler::Sampler(TextureCacheRuntime& runtime,

src/video_core/renderer_metal/renderer_metal.mm

@@ -16,7 +16,7 @@ RendererMetal::RendererMetal(Core::Frontend::EmuWindow& emu_window,
       command_recorder(device),
       swap_chain(device, command_recorder,
                  static_cast<const CAMetalLayer*>(render_window.GetWindowInfo().render_surface)),
-      rasterizer(gpu_, device, command_recorder, swap_chain) {}
+      rasterizer(gpu_, device_memory, device, command_recorder, swap_chain) {}
 
 RendererMetal::~RendererMetal() = default;