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// Copyright 2014 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 ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_
#define ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_
#include "android_webview/browser/shared_renderer_state.h"
#include "base/memory/scoped_ptr.h"
#include "cc/layers/delegated_frame_resource_collection.h"
#include "cc/trees/layer_tree_host_client.h"
#include "cc/trees/layer_tree_host_single_thread_client.h"
struct AwDrawGLInfo;
namespace cc {
class DelegatedFrameProvider;
class DelegatedRendererLayer;
class Layer;
class LayerTreeHost;
}
namespace android_webview {
class AwGLSurface;
class ChildFrame;
class ParentOutputSurface;
class HardwareRenderer : public cc::LayerTreeHostClient,
public cc::LayerTreeHostSingleThreadClient,
public cc::DelegatedFrameResourceCollectionClient {
public:
explicit HardwareRenderer(SharedRendererState* state);
~HardwareRenderer() override;
void DrawGL(bool stencil_enabled,
int framebuffer_binding_ext,
AwDrawGLInfo* draw_info);
void CommitFrame();
// cc::LayerTreeHostClient overrides.
void WillBeginMainFrame() override {}
void DidBeginMainFrame() override;
void BeginMainFrame(const cc::BeginFrameArgs& args) override {}
void BeginMainFrameNotExpectedSoon() override {}
void Layout() override {}
void ApplyViewportDeltas(const gfx::Vector2dF& inner_delta,
const gfx::Vector2dF& outer_delta,
const gfx::Vector2dF& elastic_overscroll_delta,
float page_scale,
float top_controls_delta) override {}
void ApplyViewportDeltas(const gfx::Vector2d& scroll_delta,
float page_scale,
float top_controls_delta) override {}
void RequestNewOutputSurface() override;
void DidInitializeOutputSurface() override {}
void DidFailToInitializeOutputSurface() override;
void WillCommit() override {}
void DidCommit() override {}
void DidCommitAndDrawFrame() override {}
void DidCompleteSwapBuffers() override {}
void DidCompletePageScaleAnimation() override {}
// cc::LayerTreeHostSingleThreadClient overrides.
void DidPostSwapBuffers() override {}
void DidAbortSwapBuffers() override {}
// cc::DelegatedFrameResourceCollectionClient overrides.
void UnusedResourcesAreAvailable() override;
private:
SharedRendererState* shared_renderer_state_;
typedef void* EGLContext;
EGLContext last_egl_context_;
// Information about last delegated frame.
gfx::Size frame_size_;
// Infromation from UI on last commit.
gfx::Vector2d scroll_offset_;
// Information from draw.
gfx::Size viewport_;
gfx::Rect clip_;
bool stencil_enabled_;
bool viewport_clip_valid_for_dcheck_;
scoped_ptr<ChildFrame> child_frame_;
scoped_refptr<AwGLSurface> gl_surface_;
scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
scoped_refptr<cc::Layer> root_layer_;
scoped_refptr<cc::DelegatedFrameResourceCollection> resource_collection_;
scoped_refptr<cc::DelegatedFrameProvider> frame_provider_;
scoped_refptr<cc::DelegatedRendererLayer> delegated_layer_;
// This is owned indirectly by |layer_tree_host_|.
ParentOutputSurface* output_surface_;
DISALLOW_COPY_AND_ASSIGN(HardwareRenderer);
};
} // namespace android_webview
#endif // ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_
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