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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_OZONE_DEMO_SURFACELESS_GL_RENDERER_H_
#define UI_OZONE_DEMO_SURFACELESS_GL_RENDERER_H_
#include <array>
#include <memory>
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/native_pixmap.h"
#include "ui/ozone/demo/gl_renderer.h"
namespace gl {
class Presenter;
}
namespace ui {
class OverlayCandidatesOzone;
class NativePixmapGLBinding;
class PlatformWindowSurface;
static const int kMaxLayers = 8;
class SurfacelessGlRenderer : public RendererBase {
public:
SurfacelessGlRenderer(gfx::AcceleratedWidget widget,
std::unique_ptr<PlatformWindowSurface> window_surface,
const scoped_refptr<gl::GLSurface>& offscreen_surface,
const scoped_refptr<gl::Presenter>& presenter,
const gfx::Size& size);
SurfacelessGlRenderer(const SurfacelessGlRenderer&) = delete;
SurfacelessGlRenderer& operator=(const SurfacelessGlRenderer&) = delete;
~SurfacelessGlRenderer() override;
// Renderer:
bool Initialize() override;
private:
void RenderFrame();
void PostRenderFrameTask(gfx::SwapCompletionResult result);
void OnPresentation(const gfx::PresentationFeedback& feedback);
class BufferWrapper {
public:
BufferWrapper();
~BufferWrapper();
scoped_refptr<gfx::NativePixmap> image() const;
bool Initialize(gfx::AcceleratedWidget widget, const gfx::Size& size);
void BindFramebuffer();
const gfx::Size size() const { return size_; }
private:
gfx::AcceleratedWidget widget_ = gfx::kNullAcceleratedWidget;
gfx::Size size_;
scoped_refptr<gfx::NativePixmap> pixmap_;
std::unique_ptr<NativePixmapGLBinding> pixmap_gl_binding_;
unsigned int gl_fb_ = 0;
unsigned int gl_tex_ = 0;
};
std::array<std::unique_ptr<BufferWrapper>, 2> buffers_;
std::array<std::array<std::unique_ptr<BufferWrapper>, 2>, kMaxLayers>
overlay_buffers_;
size_t overlay_cnt_ = 0;
bool disable_primary_plane_ = false;
gfx::Rect primary_plane_rect_;
bool use_gpu_fences_ = false;
std::unique_ptr<OverlayCandidatesOzone> overlay_checker_;
int back_buffer_ = 0;
std::unique_ptr<PlatformWindowSurface> window_surface_;
scoped_refptr<gl::GLSurface> gl_surface_;
scoped_refptr<gl::GLContext> context_;
scoped_refptr<gl::Presenter> presenter_;
base::WeakPtrFactory<SurfacelessGlRenderer> weak_ptr_factory_{this};
};
} // namespace ui
#endif // UI_OZONE_DEMO_SURFACELESS_GL_RENDERER_H_
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