GLWindowContext.h

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/*
 * Copyright 2023 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#ifndef GLWindowContext_DEFINED
#define GLWindowContext_DEFINED
 
 
#include "include/gpu/gl/GrGLInterface.h"
 
#include "include/core/SkRefCnt.h"
#include "include/core/SkSurface.h"
 
#include "tools/window/WindowContext.h"
 
namespace skwindow::internal {
 
class GLWindowContext : public WindowContext {
public:
    sk_sp<SkSurface> getBackbufferSurface() override;
 
    bool isValid() override { return SkToBool(fBackendContext.get()); }
 
    void resize(int w, int h) override;
 
    void setDisplayParams(const DisplayParams& params) override;
 
protected:
    GLWindowContext(const DisplayParams&);
    // This should be called by subclass constructor. It is also called when window/display
    // parameters change. This will in turn call onInitializeContext().
    void initializeContext();
    virtual sk_sp<const GrGLInterface> onInitializeContext() = 0;
 
    // This should be called by subclass destructor. It is also called when window/display
    // parameters change prior to initializing a new GL context. This will in turn call
    // onDestroyContext().
    void destroyContext();
    virtual void onDestroyContext() = 0;
 
    sk_sp<const GrGLInterface> fBackendContext;
    sk_sp<SkSurface>           fSurface;
};
 
}  // namespace skwindow::internal
 
#endif