skia2/tools/sk_app/DawnWindowContext.h
Robert Phillips ed65339084 Update the sk_app WindowContext to hold a GrDirectContext
This CL is working towards replacing GrContext with the GrDirectContext/
GrRecordingContext pair.

Change-Id: Id4488e1280d76a16c37d58bd8d29fb7f8dde6b1d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/301940
Reviewed-by: Adlai Holler <adlai@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
2020-07-10 18:27:03 +00:00

55 lines
1.7 KiB
C++

/*
* Copyright 2019 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef DawnWindowContext_DEFINED
#define DawnWindowContext_DEFINED
#include "include/core/SkRefCnt.h"
#include "include/core/SkSurface.h"
#include "tools/sk_app/WindowContext.h"
#include "dawn/webgpu_cpp.h"
#include "dawn_native/DawnNative.h"
#include "dawn/dawn_wsi.h"
namespace sk_app {
class DawnWindowContext : public WindowContext {
public:
DawnWindowContext(const DisplayParams&, wgpu::TextureFormat swapChainFormat);
~DawnWindowContext() override;
sk_sp<SkSurface> getBackbufferSurface() override;
void swapBuffers() override;
bool isValid() override { return SkToBool(fDevice.Get()); }
void resize(int w, int h) override;
void setDisplayParams(const DisplayParams& params) override;
protected:
bool isGpuContext() override { return true; }
void initializeContext(int width, int height);
wgpu::Device createDevice(dawn_native::BackendType type);
virtual wgpu::Device onInitializeContext() = 0;
virtual void onDestroyContext() = 0;
virtual void onSwapBuffers() = 0;
virtual GrSurfaceOrigin getRTOrigin() const { return kTopLeft_GrSurfaceOrigin; }
void destroyContext();
virtual DawnSwapChainImplementation createSwapChainImplementation( int width, int height,
const DisplayParams& params) = 0;
sk_sp<SkSurface> fSurface;
DawnSwapChainImplementation fSwapChainImplementation;
wgpu::TextureFormat fSwapChainFormat;
wgpu::SwapChain fSwapChain;
wgpu::Device fDevice;
std::unique_ptr<dawn_native::Instance> fInstance;
};
} // namespace sk_app
#endif