1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_VIZ_COMMON_QUADS_COMPOSITOR_FRAME_H_
#define COMPONENTS_VIZ_COMMON_QUADS_COMPOSITOR_FRAME_H_
#include <memory>
#include <vector>
#include "components/viz/common/quads/compositor_frame_metadata.h"
#include "components/viz/common/quads/compositor_render_pass.h"
#include "components/viz/common/resources/transferable_resource.h"
#include "components/viz/common/surfaces/region_capture_bounds.h"
#include "components/viz/common/viz_common_export.h"
namespace viz {
// A CompositorFrame struct contains the complete output of a compositor meant
// for display. A CompositorFrame consists of a series of DrawQuads that
// describe placement of textures, solid colors, overlays and other
// CompositorFrames within an area specified by the parent compositor. DrawQuads
// may share common data referred to as SharedQuadState. A CompositorFrame also
// has |metadata| that refers to global graphical state associated with this
// frame.
class VIZ_COMMON_EXPORT CompositorFrame {
public:
CompositorFrame();
CompositorFrame(CompositorFrame&& other);
CompositorFrame(const CompositorFrame&) = delete;
CompositorFrame& operator=(const CompositorFrame&) = delete;
~CompositorFrame();
CompositorFrame& operator=(CompositorFrame&& other);
float device_scale_factor() const { return metadata.device_scale_factor; }
const gfx::Size& size_in_pixels() const {
DCHECK(!render_pass_list.empty());
return render_pass_list.back()->output_rect.size();
}
bool HasCopyOutputRequests() const;
CompositorFrameMetadata metadata;
std::vector<TransferableResource> resource_list;
// This list is in the order that each CompositorRenderPass will be drawn.
// The last one is the "root" CompositorRenderPass that all others are
// directly or indirectly drawn into.
CompositorRenderPassList render_pass_list;
};
} // namespace viz
#endif // COMPONENTS_VIZ_COMMON_QUADS_COMPOSITOR_FRAME_H_
|
