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58e84c8bf0
* Re-land "Support multiple shells in a single process. (#4932)" This reverts commit 723c7d01439da4261bc836075fb55651ce9e7f03.
60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef SHELL_GPU_GPU_SURFACE_GL_H_
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#define SHELL_GPU_GPU_SURFACE_GL_H_
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#include "flutter/shell/common/surface.h"
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#include "lib/fxl/macros.h"
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#include "lib/fxl/memory/weak_ptr.h"
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#include "third_party/skia/include/gpu/GrContext.h"
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namespace shell {
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class GPUSurfaceGLDelegate {
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public:
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virtual bool GLContextMakeCurrent() = 0;
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virtual bool GLContextClearCurrent() = 0;
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virtual bool GLContextPresent() = 0;
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virtual intptr_t GLContextFBO() const = 0;
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virtual bool UseOffscreenSurface() const { return false; }
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};
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class GPUSurfaceGL : public Surface {
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public:
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GPUSurfaceGL(GPUSurfaceGLDelegate* delegate);
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~GPUSurfaceGL() override;
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bool IsValid() override;
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std::unique_ptr<SurfaceFrame> AcquireFrame(const SkISize& size) override;
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GrContext* GetContext() override;
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private:
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GPUSurfaceGLDelegate* delegate_;
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sk_sp<GrContext> context_;
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sk_sp<SkSurface> onscreen_surface_;
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sk_sp<SkSurface> offscreen_surface_;
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bool valid_ = false;
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fxl::WeakPtrFactory<GPUSurfaceGL> weak_factory_;
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bool CreateOrUpdateSurfaces(const SkISize& size);
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sk_sp<SkSurface> AcquireRenderSurface(const SkISize& size);
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bool PresentSurface(SkCanvas* canvas);
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FXL_DISALLOW_COPY_AND_ASSIGN(GPUSurfaceGL);
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};
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} // namespace shell
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#endif // SHELL_GPU_GPU_SURFACE_GL_H_
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