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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
// Copyright 2012 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 CC_OUTPUT_SOFTWARE_RENDERER_H_
#define CC_OUTPUT_SOFTWARE_RENDERER_H_
#include "base/basictypes.h"
#include "cc/base/cc_export.h"
#include "cc/output/compositor_frame.h"
#include "cc/output/direct_renderer.h"
namespace cc {
class OutputSurface;
class SoftwareOutputDevice;
class DebugBorderDrawQuad;
class RendererClient;
class RenderPassDrawQuad;
class ResourceProvider;
class SolidColorDrawQuad;
class TextureDrawQuad;
class TileDrawQuad;
class CC_EXPORT SoftwareRenderer : public DirectRenderer {
public:
static scoped_ptr<SoftwareRenderer> Create(
RendererClient* client,
OutputSurface* output_surface,
ResourceProvider* resource_provider);
virtual ~SoftwareRenderer();
virtual const RendererCapabilities& Capabilities() const OVERRIDE;
virtual void ViewportChanged() OVERRIDE;
virtual void Finish() OVERRIDE;
virtual bool SwapBuffers(const LatencyInfo& latency_info) OVERRIDE;
virtual void GetFramebufferPixels(void* pixels, gfx::Rect rect) OVERRIDE;
virtual void SetVisible(bool visible) OVERRIDE;
virtual void SendManagedMemoryStats(
size_t bytes_visible,
size_t bytes_visible_and_nearby,
size_t bytes_allocated) OVERRIDE {}
virtual void ReceiveCompositorFrameAck(
const CompositorFrameAck& ack) OVERRIDE;
protected:
virtual void BindFramebufferToOutputSurface(DrawingFrame* frame) OVERRIDE;
virtual bool BindFramebufferToTexture(
DrawingFrame* frame,
const ScopedResource* texture,
gfx::Rect framebuffer_rect) OVERRIDE;
virtual void SetDrawViewportSize(gfx::Size viewport_size) OVERRIDE;
virtual void SetScissorTestRect(gfx::Rect scissor_rect) OVERRIDE;
virtual void ClearFramebuffer(DrawingFrame* frame) OVERRIDE;
virtual void DoDrawQuad(DrawingFrame* frame, const DrawQuad* quad) OVERRIDE;
virtual void BeginDrawingFrame(DrawingFrame* frame) OVERRIDE;
virtual void FinishDrawingFrame(DrawingFrame* frame) OVERRIDE;
virtual bool FlippedFramebuffer() const OVERRIDE;
virtual void EnsureScissorTestEnabled() OVERRIDE;
virtual void EnsureScissorTestDisabled() OVERRIDE;
private:
SoftwareRenderer(
RendererClient* client,
OutputSurface* output_surface,
ResourceProvider* resource_provider);
void ClearCanvas(SkColor color);
void SetClipRect(gfx::Rect rect);
bool IsSoftwareResource(ResourceProvider::ResourceId resource_id) const;
void DrawDebugBorderQuad(const DrawingFrame* frame,
const DebugBorderDrawQuad* quad);
void DrawSolidColorQuad(const DrawingFrame* frame,
const SolidColorDrawQuad* quad);
void DrawTextureQuad(const DrawingFrame* frame,
const TextureDrawQuad* quad);
void DrawTileQuad(const DrawingFrame* frame,
const TileDrawQuad* quad);
void DrawRenderPassQuad(const DrawingFrame* frame,
const RenderPassDrawQuad* quad);
void DrawUnsupportedQuad(const DrawingFrame* frame,
const DrawQuad* quad);
RendererCapabilities capabilities_;
bool visible_;
bool is_scissor_enabled_;
bool is_viewport_changed_;
gfx::Rect scissor_rect_;
OutputSurface* output_surface_;
SoftwareOutputDevice* output_device_;
SkCanvas* root_canvas_;
SkCanvas* current_canvas_;
SkPaint current_paint_;
scoped_ptr<ResourceProvider::ScopedWriteLockSoftware>
current_framebuffer_lock_;
CompositorFrame compositor_frame_;
DISALLOW_COPY_AND_ASSIGN(SoftwareRenderer);
};
} // namespace cc
#endif // CC_OUTPUT_SOFTWARE_RENDERER_H_
|
