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1 /* | |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #include "config.h" | |
27 | |
28 #include <set> | |
29 #include <string> | |
30 #include <vector> | |
31 | |
32 #include "cc/CCCheckerboardDrawQuad.h" | |
33 #include "cc/CCDebugBorderDrawQuad.h" | |
34 #include "cc/CCDelegatingRenderer.h" | |
35 #include "cc/CCRenderPassDrawQuad.h" | |
36 #include "cc/CCResourceProvider.h" | |
37 #include "cc/CCSolidColorDrawQuad.h" | |
38 #include "cc/CCTextureDrawQuad.h" | |
39 #include "cc/CCTileDrawQuad.h" | |
40 #include "cc/CCYUVVideoDrawQuad.h" | |
41 #include "cc/web_compositor_frame.h" | |
42 #include "CCSettings.h" | |
43 #include "PlatformColor.h" | |
44 #include "TraceEvent.h" | |
45 #include <public/WebFloatRect.h> | |
46 #include <public/WebRect.h> | |
47 #include <public/WebSize.h> | |
48 #include <wtf/text/StringHash.h> | |
49 #ifdef LOG | |
50 #undef LOG | |
51 #endif | |
52 #include "base/string_split.h" | |
53 #include "base/string_util.h" | |
54 | |
55 using namespace WebKit; | |
56 | |
57 namespace WebCore { | |
58 | |
59 PassOwnPtr<CCDelegatingRenderer> CCDelegatingRenderer::create(CCRendererClient* client, CCResourceProvider* resourceProvider) | |
60 { | |
61 OwnPtr<CCDelegatingRenderer> renderer(adoptPtr(new CCDelegatingRenderer(clie nt, resourceProvider))); | |
62 if (!renderer->initialize()) | |
63 return nullptr; | |
64 return renderer.release(); | |
65 } | |
66 | |
67 CCDelegatingRenderer::CCDelegatingRenderer(CCRendererClient* client, CCResourceP rovider* resourceProvider) | |
68 : CCRenderer(client) | |
69 , m_resourceProvider(resourceProvider) | |
70 , m_visible(true) | |
71 { | |
72 ASSERT(m_resourceProvider); | |
73 } | |
74 | |
75 bool CCDelegatingRenderer::initialize() | |
76 { | |
77 m_capabilities.usingPartialSwap = CCSettings::partialSwapEnabled(); | |
danakj
2012/09/21 20:51:41
I don't think we want to ever partial swap with de
| |
78 // FIXME: Throttling - we may want to only allow 1 outstanding frame (the | |
79 // parent compositor can pipeline for us). | |
80 m_capabilities.usingSwapCompleteCallback = true; | |
81 m_capabilities.maxTextureSize = m_resourceProvider->maxTextureSize(); | |
82 | |
83 WebGraphicsContext3D* context = m_resourceProvider->graphicsContext3D(); | |
84 bool supportsBGRA = false; | |
85 if (context) { | |
86 if (!context->makeContextCurrent()) | |
87 return false; | |
88 | |
89 context->setContextLostCallback(this); | |
90 context->pushGroupMarkerEXT("CompositorContext"); | |
91 | |
92 std::string extensionsString = UTF16ToASCII(context->getString(GraphicsCon text3D::EXTENSIONS)); | |
93 std::vector<std::string> extensionsList; | |
94 base::SplitString(extensionsString, ' ', &extensionsList); | |
95 std::set<std::string> extensions(extensionsList.begin(), extensionsList.en d()); | |
96 | |
97 if (settings().acceleratePainting && extensions.count("GL_EXT_texture_form at_BGRA8888") | |
98 && extensions.count("GL_EXT_read_format_bgra")) | |
99 m_capabilities.usingAcceleratedPainting = true; | |
100 else | |
101 m_capabilities.usingAcceleratedPainting = false; | |
102 | |
103 // FIXME: loop visibility to GPU process? | |
104 m_capabilities.usingSetVisibility = extensions.count("GL_CHROMIUM_set_visi bility"); | |
105 | |
106 if (extensions.count("GL_CHROMIUM_iosurface")) | |
107 ASSERT(extensions.count("GL_ARB_texture_rectangle")); | |
108 | |
109 m_capabilities.usingGpuMemoryManager = extensions.count("GL_CHROMIUM_gpu_m emory_manager"); | |
110 // FIXME: doesn't belong here. | |
111 /* | |
112 if (m_capabilities.usingGpuMemoryManager) | |
113 context->setMemoryAllocationChangedCallbackCHROMIUM(this); | |
114 */ | |
115 | |
116 m_capabilities.usingEglImage = extensions.count("GL_OES_EGL_image_external "); | |
117 supportsBGRA = extensions.count("GL_EXT_texture_format_BGRA8888"); | |
118 } | |
119 | |
120 m_capabilities.bestTextureFormat = PlatformColor::bestTextureFormat(context, supportsBGRA); | |
121 | |
122 return true; | |
123 } | |
124 | |
125 CCDelegatingRenderer::~CCDelegatingRenderer() | |
126 { | |
127 ASSERT(CCProxy::isImplThread()); | |
128 WebGraphicsContext3D* context = m_resourceProvider->graphicsContext3D(); | |
129 if (context) | |
130 context->setContextLostCallback(0); | |
131 } | |
132 | |
133 void CCDelegatingRenderer::drawFrame(const CCRenderPassList& renderPassesInDrawO rder, const CCRenderPassIdHashMap&) | |
134 { | |
135 TRACE_EVENT0("cc", "CCDelegatingRenderer::drawFrame"); | |
136 WebCompositorOutputSurface* outputSurface = m_resourceProvider->context(); | |
137 ASSERT(outputSurface); | |
138 WebCompositorFrame frame; | |
139 frame.render_passes.reserve(renderPassesInDrawOrder.size()); | |
danakj
2012/09/21 20:51:41
What about just storing a pointer/reference to the
| |
140 for (CCRenderPassList::const_iterator it = renderPassesInDrawOrder.begin(); it != renderPassesInDrawOrder.end(); ++it) | |
141 frame.render_passes.push_back(*it); | |
142 // TODO(piman): prepare resources for transfer, stash into frame. | |
143 | |
144 outputSurface->sendFrameToParentCompositor(frame); | |
danakj
2012/09/21 20:51:41
Should this be in swapBuffers? Could it ever matte
| |
145 } | |
146 | |
147 bool CCDelegatingRenderer::swapBuffers() | |
148 { | |
149 return true; | |
150 } | |
151 | |
152 void CCDelegatingRenderer::getFramebufferPixels(void *pixels, const IntRect&) | |
153 { | |
154 // FIXME | |
danakj
2012/09/21 20:51:41
Hm, in this case we're going to need a CCDirectRen
| |
155 } | |
156 | |
157 bool CCDelegatingRenderer::isContextLost() | |
158 { | |
159 WebGraphicsContext3D* context = m_resourceProvider->graphicsContext3D(); | |
160 if (!context) | |
161 return false; | |
162 return (context->getGraphicsResetStatusARB() != GraphicsContext3D::NO_ERROR) ; | |
163 } | |
164 | |
165 void CCDelegatingRenderer::onSendFrameToParentCompositorAck(const WebKit::WebCom positorFrameAck& ack) | |
166 { | |
167 // TODO(piman): get recycled resources from ack, give back to CCResourceProv ider. | |
168 m_client->onSwapBuffersComplete(); | |
169 } | |
170 | |
171 void CCDelegatingRenderer::setVisible(bool visible) | |
172 { | |
173 if (m_visible == visible) | |
174 return; | |
175 m_visible = visible; | |
176 } | |
177 | |
178 void CCDelegatingRenderer::onContextLost() | |
179 { | |
180 m_client->didLoseContext(); | |
181 } | |
182 | |
183 } | |
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