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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_VR_SKIA_SURFACE_PROVIDER_H_
#define CHROME_BROWSER_VR_SKIA_SURFACE_PROVIDER_H_
#include "base/functional/function_ref.h"
#include "device/vr/gl_bindings.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "third_party/skia/include/gpu/ganesh/GrDirectContext.h"
class SkSurface;
class SkCanvas;
namespace gfx {
class Size;
} // namespace gfx
namespace vr {
// Provides a Skia surface to draw textures of UI elements into.
class SkiaSurfaceProvider {
public:
class Texture {
public:
explicit Texture(sk_sp<SkSurface> surface);
~Texture();
GLuint texture_id() { return texture_id_; }
private:
const GLuint texture_id_;
sk_sp<SkSurface> surface_;
};
virtual ~SkiaSurfaceProvider() = default;
// Creates Texture and initializes it by provided `paint` function using Skia.
// SkiaSurfaceProvider must outlive returned Texture.
virtual std::unique_ptr<Texture> CreateTextureWithSkia(
const gfx::Size& size,
base::FunctionRef<void(SkCanvas*)> paint) = 0;
protected:
std::unique_ptr<Texture> CreateTextureWithSkiaImpl(
GrDirectContext* gr_context,
const gfx::Size& size,
base::FunctionRef<void(SkCanvas*)> paint);
};
} // namespace vr
#endif // CHROME_BROWSER_VR_SKIA_SURFACE_PROVIDER_H_
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