mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef SHELL_GPU_GPU_SURFACE_GL_H_
|
|
#define SHELL_GPU_GPU_SURFACE_GL_H_
|
|
|
|
#include "flutter/fml/memory/weak_ptr.h"
|
|
#include "flutter/shell/common/surface.h"
|
|
#include "flutter/synchronization/debug_thread_checker.h"
|
|
#include "lib/fxl/macros.h"
|
|
#include "third_party/skia/include/gpu/GrContext.h"
|
|
|
|
namespace shell {
|
|
|
|
class GPUSurfaceGLDelegate {
|
|
public:
|
|
virtual bool GLContextMakeCurrent() = 0;
|
|
|
|
virtual bool GLContextClearCurrent() = 0;
|
|
|
|
virtual bool GLContextPresent() = 0;
|
|
|
|
virtual intptr_t GLContextFBO() const = 0;
|
|
|
|
virtual bool SurfaceSupportsSRGB() const = 0;
|
|
};
|
|
|
|
class GPUSurfaceGL : public Surface {
|
|
public:
|
|
GPUSurfaceGL(GPUSurfaceGLDelegate* delegate);
|
|
|
|
~GPUSurfaceGL() override;
|
|
|
|
bool IsValid() override;
|
|
|
|
std::unique_ptr<SurfaceFrame> AcquireFrame(const SkISize& size) override;
|
|
|
|
GrContext* GetContext() override;
|
|
|
|
private:
|
|
GPUSurfaceGLDelegate* delegate_;
|
|
sk_sp<GrContext> context_;
|
|
sk_sp<SkSurface> onscreen_surface_;
|
|
sk_sp<SkSurface> offscreen_surface_;
|
|
bool valid_ = false;
|
|
fml::WeakPtrFactory<GPUSurfaceGL> weak_factory_;
|
|
|
|
bool CreateOrUpdateSurfaces(const SkISize& size);
|
|
|
|
sk_sp<SkSurface> AcquireRenderSurface(const SkISize& size);
|
|
|
|
bool PresentSurface(SkCanvas* canvas);
|
|
|
|
bool SelectPixelConfig(GrPixelConfig* config);
|
|
|
|
FXL_DISALLOW_COPY_AND_ASSIGN(GPUSurfaceGL);
|
|
};
|
|
|
|
} // namespace shell
|
|
|
|
#endif // SHELL_GPU_GPU_SURFACE_GL_H_
|