1 // Copyright 2019 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_SKIA_OUTPUT_DEVICE_DAWN_H_
6 #define COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_SKIA_OUTPUT_DEVICE_DAWN_H_
7 
8 #include <dawn/dawn_wsi.h>
9 #include <dawn/webgpu.h>
10 #include <dawn_native/DawnNative.h>
11 
12 #include "components/viz/service/display_embedder/skia_output_device.h"
13 #include "third_party/skia/include/core/SkColorSpace.h"
14 #include "third_party/skia/include/core/SkImageInfo.h"
15 #include "third_party/skia/include/gpu/GrBackendSurface.h"
16 #include "ui/gfx/native_widget_types.h"
17 
18 namespace viz {
19 
20 class DawnContextProvider;
21 
22 class SkiaOutputDeviceDawn : public SkiaOutputDevice {
23  public:
24   SkiaOutputDeviceDawn(
25       DawnContextProvider* context_provider,
26       gfx::AcceleratedWidget widget,
27       gfx::SurfaceOrigin origin,
28       gpu::MemoryTracker* memory_tracker,
29       DidSwapBufferCompleteCallback did_swap_buffer_complete_callback);
30   ~SkiaOutputDeviceDawn() override;
31 
32   // SkiaOutputDevice implementation:
33   bool Reshape(const gfx::Size& size,
34                float device_scale_factor,
35                const gfx::ColorSpace& color_space,
36                gfx::BufferFormat format,
37                gfx::OverlayTransform transform) override;
38   void SwapBuffers(BufferPresentedCallback feedback,
39                    std::vector<ui::LatencyInfo> latency_info) override;
40   SkSurface* BeginPaint(
41       std::vector<GrBackendSemaphore>* end_semaphores) override;
42   void EndPaint() override;
43 
44  private:
45   // Create a platform-specific swapchain implementation.
46   void CreateSwapChainImplementation();
47 
48   DawnContextProvider* const context_provider_;
49   gfx::AcceleratedWidget widget_;
50   DawnSwapChainImplementation swap_chain_implementation_;
51   wgpu::SwapChain swap_chain_;
52   wgpu::Texture texture_;
53   sk_sp<SkSurface> sk_surface_;
54 
55   gfx::Size size_;
56   sk_sp<SkColorSpace> sk_color_space_;
57   GrBackendTexture backend_texture_;
58 
59   DISALLOW_COPY_AND_ASSIGN(SkiaOutputDeviceDawn);
60 };
61 
62 }  // namespace viz
63 
64 #endif  // COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_SKIA_OUTPUT_DEVICE_DAWN_H_
65