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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
// Copyright 2010 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 CCRendererGL_h
#define CCRendererGL_h
#include "cc/cc_export.h"
#include "cc/checkerboard_draw_quad.h"
#include "cc/debug_border_draw_quad.h"
#include "cc/direct_renderer.h"
#include "cc/io_surface_draw_quad.h"
#include "cc/render_pass_draw_quad.h"
#include "cc/renderer.h"
#include "cc/solid_color_draw_quad.h"
#include "cc/tile_draw_quad.h"
#include "cc/yuv_video_draw_quad.h"
#include "ui/gfx/quad_f.h"
namespace WebKit {
class WebGraphicsContext3D;
}
namespace cc {
class ScopedTexture;
class StreamVideoDrawQuad;
class TextureDrawQuad;
class GeometryBinding;
class ScopedEnsureFramebufferAllocation;
// Class that handles drawing of composited render layers using GL.
class CC_EXPORT GLRenderer : public DirectRenderer,
public NON_EXPORTED_BASE(WebKit::WebGraphicsContext3D::WebGraphicsSwapBuffersCompleteCallbackCHROMIUM),
public NON_EXPORTED_BASE(WebKit::WebGraphicsContext3D::WebGraphicsMemoryAllocationChangedCallbackCHROMIUM),
public NON_EXPORTED_BASE(WebKit::WebGraphicsContext3D::WebGraphicsContextLostCallback) {
public:
static scoped_ptr<GLRenderer> create(RendererClient*, ResourceProvider*);
virtual ~GLRenderer();
virtual const RendererCapabilities& capabilities() const OVERRIDE;
WebKit::WebGraphicsContext3D* context();
virtual void viewportChanged() OVERRIDE;
// waits for rendering to finish
virtual void finish() OVERRIDE;
virtual void doNoOp() OVERRIDE;
// puts backbuffer onscreen
virtual bool swapBuffers() OVERRIDE;
virtual void getFramebufferPixels(void *pixels, const gfx::Rect&) OVERRIDE;
virtual bool isContextLost() OVERRIDE;
virtual void setVisible(bool) OVERRIDE;
virtual void sendManagedMemoryStats(size_t bytesVisible, size_t bytesVisibleAndNearby, size_t bytesAllocated) OVERRIDE;
protected:
GLRenderer(RendererClient*, ResourceProvider*);
static void debugGLCall(WebKit::WebGraphicsContext3D*, const char* command, const char* file, int line);
bool isFramebufferDiscarded() const { return m_isFramebufferDiscarded; }
bool initialize();
const gfx::QuadF& sharedGeometryQuad() const { return m_sharedGeometryQuad; }
const GeometryBinding* sharedGeometry() const { return m_sharedGeometry.get(); }
bool getFramebufferTexture(ScopedTexture*, const gfx::Rect& deviceRect);
void releaseRenderPassTextures();
virtual void bindFramebufferToOutputSurface(DrawingFrame&) OVERRIDE;
virtual bool bindFramebufferToTexture(DrawingFrame&, const ScopedTexture*, const gfx::Rect& framebufferRect) OVERRIDE;
virtual void setDrawViewportSize(const gfx::Size&) OVERRIDE;
virtual void enableScissorTestRect(const gfx::Rect& scissorRect) OVERRIDE;
virtual void disableScissorTest() OVERRIDE;
virtual void clearFramebuffer(DrawingFrame&) OVERRIDE;
virtual void drawQuad(DrawingFrame&, const DrawQuad*) OVERRIDE;
virtual void beginDrawingFrame(DrawingFrame&) OVERRIDE;
virtual void finishDrawingFrame(DrawingFrame&) OVERRIDE;
virtual bool flippedFramebuffer() const OVERRIDE;
private:
static void toGLMatrix(float*, const WebKit::WebTransformationMatrix&);
static int priorityCutoffValue(WebKit::WebGraphicsMemoryAllocation::PriorityCutoff);
void drawCheckerboardQuad(const DrawingFrame&, const CheckerboardDrawQuad*);
void drawDebugBorderQuad(const DrawingFrame&, const DebugBorderDrawQuad*);
scoped_ptr<ScopedTexture> drawBackgroundFilters(DrawingFrame&, const RenderPassDrawQuad*, const WebKit::WebFilterOperations&, const WebKit::WebTransformationMatrix& deviceTransform);
void drawRenderPassQuad(DrawingFrame&, const RenderPassDrawQuad*);
void drawSolidColorQuad(const DrawingFrame&, const SolidColorDrawQuad*);
void drawStreamVideoQuad(const DrawingFrame&, const StreamVideoDrawQuad*);
void drawTextureQuad(const DrawingFrame&, const TextureDrawQuad*);
void drawIOSurfaceQuad(const DrawingFrame&, const IOSurfaceDrawQuad*);
void drawTileQuad(const DrawingFrame&, const TileDrawQuad*);
void drawYUVVideoQuad(const DrawingFrame&, const YUVVideoDrawQuad*);
void setShaderOpacity(float opacity, int alphaLocation);
void setShaderQuadF(const gfx::QuadF&, int quadLocation);
void drawQuadGeometry(const DrawingFrame&, const WebKit::WebTransformationMatrix& drawTransform, const gfx::RectF& quadRect, int matrixLocation);
void copyTextureToFramebuffer(const DrawingFrame&, int textureId, const gfx::Rect&, const WebKit::WebTransformationMatrix& drawMatrix);
bool useScopedTexture(DrawingFrame&, const ScopedTexture*, const gfx::Rect& viewportRect);
bool makeContextCurrent();
bool initializeSharedObjects();
void cleanupSharedObjects();
// WebKit::WebGraphicsContext3D::WebGraphicsSwapBuffersCompleteCallbackCHROMIUM implementation.
virtual void onSwapBuffersComplete() OVERRIDE;
// WebKit::WebGraphicsContext3D::WebGraphicsMemoryAllocationChangedCallbackCHROMIUM implementation.
virtual void onMemoryAllocationChanged(WebKit::WebGraphicsMemoryAllocation) OVERRIDE;
void onMemoryAllocationChangedOnImplThread(WebKit::WebGraphicsMemoryAllocation);
void discardFramebuffer();
void ensureFramebuffer();
void enforceMemoryPolicy();
// WebGraphicsContext3D::WebGraphicsContextLostCallback implementation.
virtual void onContextLost() OVERRIDE;
RendererCapabilities m_capabilities;
unsigned m_offscreenFramebufferId;
scoped_ptr<GeometryBinding> m_sharedGeometry;
gfx::QuadF m_sharedGeometryQuad;
// This block of bindings defines all of the programs used by the compositor itself.
// Tiled layer shaders.
typedef ProgramBinding<VertexShaderTile, FragmentShaderRGBATexAlpha> TileProgram;
typedef ProgramBinding<VertexShaderTile, FragmentShaderRGBATexClampAlphaAA> TileProgramAA;
typedef ProgramBinding<VertexShaderTile, FragmentShaderRGBATexClampSwizzleAlphaAA> TileProgramSwizzleAA;
typedef ProgramBinding<VertexShaderTile, FragmentShaderRGBATexOpaque> TileProgramOpaque;
typedef ProgramBinding<VertexShaderTile, FragmentShaderRGBATexSwizzleAlpha> TileProgramSwizzle;
typedef ProgramBinding<VertexShaderTile, FragmentShaderRGBATexSwizzleOpaque> TileProgramSwizzleOpaque;
typedef ProgramBinding<VertexShaderPosTex, FragmentShaderCheckerboard> TileCheckerboardProgram;
// Render surface shaders.
typedef ProgramBinding<VertexShaderPosTex, FragmentShaderRGBATexAlpha> RenderPassProgram;
typedef ProgramBinding<VertexShaderPosTex, FragmentShaderRGBATexAlphaMask> RenderPassMaskProgram;
typedef ProgramBinding<VertexShaderQuad, FragmentShaderRGBATexAlphaAA> RenderPassProgramAA;
typedef ProgramBinding<VertexShaderQuad, FragmentShaderRGBATexAlphaMaskAA> RenderPassMaskProgramAA;
// Texture shaders.
typedef ProgramBinding<VertexShaderPosTexTransform, FragmentShaderRGBATexAlpha> TextureProgram;
typedef ProgramBinding<VertexShaderPosTexTransform, FragmentShaderRGBATexFlipAlpha> TextureProgramFlip;
typedef ProgramBinding<VertexShaderPosTexTransform, FragmentShaderRGBATexRectAlpha> TextureIOSurfaceProgram;
// Video shaders.
typedef ProgramBinding<VertexShaderVideoTransform, FragmentShaderOESImageExternal> VideoStreamTextureProgram;
typedef ProgramBinding<VertexShaderPosTexYUVStretch, FragmentShaderYUVVideo> VideoYUVProgram;
// Special purpose / effects shaders.
typedef ProgramBinding<VertexShaderPos, FragmentShaderColor> SolidColorProgram;
const TileProgram* tileProgram();
const TileProgramOpaque* tileProgramOpaque();
const TileProgramAA* tileProgramAA();
const TileProgramSwizzle* tileProgramSwizzle();
const TileProgramSwizzleOpaque* tileProgramSwizzleOpaque();
const TileProgramSwizzleAA* tileProgramSwizzleAA();
const TileCheckerboardProgram* tileCheckerboardProgram();
const RenderPassProgram* renderPassProgram();
const RenderPassProgramAA* renderPassProgramAA();
const RenderPassMaskProgram* renderPassMaskProgram();
const RenderPassMaskProgramAA* renderPassMaskProgramAA();
const TextureProgram* textureProgram();
const TextureProgramFlip* textureProgramFlip();
const TextureIOSurfaceProgram* textureIOSurfaceProgram();
const VideoYUVProgram* videoYUVProgram();
const VideoStreamTextureProgram* videoStreamTextureProgram();
const SolidColorProgram* solidColorProgram();
scoped_ptr<TileProgram> m_tileProgram;
scoped_ptr<TileProgramOpaque> m_tileProgramOpaque;
scoped_ptr<TileProgramAA> m_tileProgramAA;
scoped_ptr<TileProgramSwizzle> m_tileProgramSwizzle;
scoped_ptr<TileProgramSwizzleOpaque> m_tileProgramSwizzleOpaque;
scoped_ptr<TileProgramSwizzleAA> m_tileProgramSwizzleAA;
scoped_ptr<TileCheckerboardProgram> m_tileCheckerboardProgram;
scoped_ptr<RenderPassProgram> m_renderPassProgram;
scoped_ptr<RenderPassProgramAA> m_renderPassProgramAA;
scoped_ptr<RenderPassMaskProgram> m_renderPassMaskProgram;
scoped_ptr<RenderPassMaskProgramAA> m_renderPassMaskProgramAA;
scoped_ptr<TextureProgram> m_textureProgram;
scoped_ptr<TextureProgramFlip> m_textureProgramFlip;
scoped_ptr<TextureIOSurfaceProgram> m_textureIOSurfaceProgram;
scoped_ptr<VideoYUVProgram> m_videoYUVProgram;
scoped_ptr<VideoStreamTextureProgram> m_videoStreamTextureProgram;
scoped_ptr<SolidColorProgram> m_solidColorProgram;
WebKit::WebGraphicsContext3D* m_context;
gfx::Rect m_swapBufferRect;
bool m_isViewportChanged;
bool m_isFramebufferDiscarded;
bool m_discardFramebufferWhenNotVisible;
bool m_isUsingBindUniform;
bool m_visible;
scoped_ptr<ResourceProvider::ScopedWriteLockGL> m_currentFramebufferLock;
DISALLOW_COPY_AND_ASSIGN(GLRenderer);
};
// Setting DEBUG_GL_CALLS to 1 will call glGetError() after almost every GL
// call made by the compositor. Useful for debugging rendering issues but
// will significantly degrade performance.
#define DEBUG_GL_CALLS 0
#if DEBUG_GL_CALLS && !defined(NDEBUG)
#define GLC(context, x) (x, GLRenderer::debugGLCall(&*context, #x, __FILE__, __LINE__))
#else
#define GLC(context, x) (x)
#endif
}
#endif
|
