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| 1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "config.h" | 5 #include "config.h" |
| 6 | 6 |
| 7 #include "cc/video_layer_impl.h" | 7 #include "cc/video_layer_impl.h" |
| 8 | 8 |
| 9 #include "NotImplemented.h" | 9 #include "NotImplemented.h" |
| 10 #include "cc/io_surface_draw_quad.h" | 10 #include "cc/io_surface_draw_quad.h" |
| 11 #include "cc/layer_tree_host_impl.h" | 11 #include "cc/layer_tree_host_impl.h" |
| 12 #include "cc/proxy.h" | |
| 13 #include "cc/quad_sink.h" | 12 #include "cc/quad_sink.h" |
| 14 #include "cc/resource_provider.h" | 13 #include "cc/resource_provider.h" |
| 15 #include "cc/stream_video_draw_quad.h" | 14 #include "cc/stream_video_draw_quad.h" |
| 16 #include "cc/texture_draw_quad.h" | 15 #include "cc/texture_draw_quad.h" |
| 17 #include "cc/yuv_video_draw_quad.h" | 16 #include "cc/yuv_video_draw_quad.h" |
| 18 #include "third_party/khronos/GLES2/gl2.h" | 17 #include "third_party/khronos/GLES2/gl2.h" |
| 19 #include "third_party/khronos/GLES2/gl2ext.h" | 18 #include "third_party/khronos/GLES2/gl2ext.h" |
| 20 #include <public/WebVideoFrame.h> | 19 #include <public/WebVideoFrame.h> |
| 21 | 20 |
| 22 namespace cc { | 21 namespace cc { |
| 23 | 22 |
| 24 VideoLayerImpl::VideoLayerImpl(int id, WebKit::WebVideoFrameProvider* provider) | 23 VideoLayerImpl::VideoLayerImpl(int id, WebKit::WebVideoFrameProvider* provider) |
| 25 : LayerImpl(id) | 24 : LayerImpl(id) |
| 26 , m_provider(provider) | 25 , m_provider(provider) |
| 27 , m_frame(0) | 26 , m_frame(0) |
| 28 , m_externalTextureResource(0) | 27 , m_externalTextureResource(0) |
| 29 { | 28 { |
| 30 // This matrix is the default transformation for stream textures, and flips
on the Y axis. | 29 // This matrix is the default transformation for stream textures, and flips
on the Y axis. |
| 31 m_streamTextureMatrix = WebKit::WebTransformationMatrix( | 30 m_streamTextureMatrix = WebKit::WebTransformationMatrix( |
| 32 1, 0, 0, 0, | 31 1, 0, 0, 0, |
| 33 0, -1, 0, 0, | 32 0, -1, 0, 0, |
| 34 0, 0, 1, 0, | 33 0, 0, 1, 0, |
| 35 0, 1, 0, 1); | 34 0, 1, 0, 1); |
| 36 | 35 |
| 37 // This only happens during a commit on the compositor thread while the main | 36 // This only happens during a commit on the compositor thread while the main |
| 38 // thread is blocked. That makes this a thread-safe call to set the video | 37 // thread is blocked. That makes this a thread-safe call to set the video |
| 39 // frame provider client that does not require a lock. The same is true of | 38 // frame provider client that does not require a lock. The same is true of |
| 40 // the call in the destructor. | 39 // the call in the destructor. |
| 41 DCHECK(Proxy::isMainThreadBlocked()); | |
| 42 m_provider->setVideoFrameProviderClient(this); | 40 m_provider->setVideoFrameProviderClient(this); |
| 43 } | 41 } |
| 44 | 42 |
| 45 VideoLayerImpl::~VideoLayerImpl() | 43 VideoLayerImpl::~VideoLayerImpl() |
| 46 { | 44 { |
| 47 // See comment in constructor for why this doesn't need a lock. | 45 // See comment in constructor for why this doesn't need a lock. |
| 48 DCHECK(Proxy::isMainThreadBlocked()); | |
| 49 if (m_provider) { | 46 if (m_provider) { |
| 50 m_provider->setVideoFrameProviderClient(0); | 47 m_provider->setVideoFrameProviderClient(0); |
| 51 m_provider = 0; | 48 m_provider = 0; |
| 52 } | 49 } |
| 53 freePlaneData(layerTreeHostImpl()->resourceProvider()); | 50 freePlaneData(layerTreeHostImpl()->resourceProvider()); |
| 54 | 51 |
| 55 #ifndef NDEBUG | 52 #ifndef NDEBUG |
| 56 for (unsigned i = 0; i < WebKit::WebVideoFrame::maxPlanes; ++i) | 53 for (unsigned i = 0; i < WebKit::WebVideoFrame::maxPlanes; ++i) |
| 57 DCHECK(!m_framePlanes[i].resourceId); | 54 DCHECK(!m_framePlanes[i].resourceId); |
| 58 DCHECK(!m_externalTextureResource); | 55 DCHECK(!m_externalTextureResource); |
| (...skipping 22 matching lines...) Expand all Loading... |
| 81 case WebKit::WebVideoFrame::FormatRGB32: | 78 case WebKit::WebVideoFrame::FormatRGB32: |
| 82 case WebKit::WebVideoFrame::FormatEmpty: | 79 case WebKit::WebVideoFrame::FormatEmpty: |
| 83 case WebKit::WebVideoFrame::FormatI420: | 80 case WebKit::WebVideoFrame::FormatI420: |
| 84 notImplemented(); | 81 notImplemented(); |
| 85 } | 82 } |
| 86 return GL_INVALID_VALUE; | 83 return GL_INVALID_VALUE; |
| 87 } | 84 } |
| 88 | 85 |
| 89 void VideoLayerImpl::willDraw(ResourceProvider* resourceProvider) | 86 void VideoLayerImpl::willDraw(ResourceProvider* resourceProvider) |
| 90 { | 87 { |
| 91 DCHECK(Proxy::isImplThread()); | |
| 92 LayerImpl::willDraw(resourceProvider); | 88 LayerImpl::willDraw(resourceProvider); |
| 93 | 89 |
| 94 // Explicitly acquire and release the provider mutex so it can be held from | 90 // Explicitly acquire and release the provider mutex so it can be held from |
| 95 // willDraw to didDraw. Since the compositor thread is in the middle of | 91 // willDraw to didDraw. Since the compositor thread is in the middle of |
| 96 // drawing, the layer will not be destroyed before didDraw is called. | 92 // drawing, the layer will not be destroyed before didDraw is called. |
| 97 // Therefore, the only thing that will prevent this lock from being released | 93 // Therefore, the only thing that will prevent this lock from being released |
| 98 // is the GPU process locking it. As the GPU process can't cause the | 94 // is the GPU process locking it. As the GPU process can't cause the |
| 99 // destruction of the provider (calling stopUsingProvider), holding this | 95 // destruction of the provider (calling stopUsingProvider), holding this |
| 100 // lock should not cause a deadlock. | 96 // lock should not cause a deadlock. |
| 101 m_providerLock.Acquire(); | 97 m_providerLock.Acquire(); |
| 102 | 98 |
| 103 willDrawInternal(resourceProvider); | 99 willDrawInternal(resourceProvider); |
| 104 freeUnusedPlaneData(resourceProvider); | 100 freeUnusedPlaneData(resourceProvider); |
| 105 | 101 |
| 106 if (!m_frame) | 102 if (!m_frame) |
| 107 m_providerLock.Release(); | 103 m_providerLock.Release(); |
| 108 } | 104 } |
| 109 | 105 |
| 110 void VideoLayerImpl::willDrawInternal(ResourceProvider* resourceProvider) | 106 void VideoLayerImpl::willDrawInternal(ResourceProvider* resourceProvider) |
| 111 { | 107 { |
| 112 DCHECK(Proxy::isImplThread()); | |
| 113 DCHECK(!m_externalTextureResource); | 108 DCHECK(!m_externalTextureResource); |
| 114 | 109 |
| 115 if (!m_provider) { | 110 if (!m_provider) { |
| 116 m_frame = 0; | 111 m_frame = 0; |
| 117 return; | 112 return; |
| 118 } | 113 } |
| 119 | 114 |
| 120 m_frame = m_provider->getCurrentFrame(); | 115 m_frame = m_provider->getCurrentFrame(); |
| 121 | 116 |
| 122 if (!m_frame) | 117 if (!m_frame) |
| (...skipping 24 matching lines...) Expand all Loading... |
| 147 m_frame = 0; | 142 m_frame = 0; |
| 148 return; | 143 return; |
| 149 } | 144 } |
| 150 | 145 |
| 151 if (m_format == GL_TEXTURE_2D) | 146 if (m_format == GL_TEXTURE_2D) |
| 152 m_externalTextureResource = resourceProvider->createResourceFromExternal
Texture(m_frame->textureId()); | 147 m_externalTextureResource = resourceProvider->createResourceFromExternal
Texture(m_frame->textureId()); |
| 153 } | 148 } |
| 154 | 149 |
| 155 void VideoLayerImpl::appendQuads(QuadSink& quadSink, AppendQuadsData& appendQuad
sData) | 150 void VideoLayerImpl::appendQuads(QuadSink& quadSink, AppendQuadsData& appendQuad
sData) |
| 156 { | 151 { |
| 157 DCHECK(Proxy::isImplThread()); | |
| 158 | |
| 159 if (!m_frame) | 152 if (!m_frame) |
| 160 return; | 153 return; |
| 161 | 154 |
| 162 SharedQuadState* sharedQuadState = quadSink.useSharedQuadState(createSharedQ
uadState()); | 155 SharedQuadState* sharedQuadState = quadSink.useSharedQuadState(createSharedQ
uadState()); |
| 163 appendDebugBorderQuad(quadSink, sharedQuadState, appendQuadsData); | 156 appendDebugBorderQuad(quadSink, sharedQuadState, appendQuadsData); |
| 164 | 157 |
| 165 // FIXME: When we pass quads out of process, we need to double-buffer, or | 158 // FIXME: When we pass quads out of process, we need to double-buffer, or |
| 166 // otherwise synchonize use of all textures in the quad. | 159 // otherwise synchonize use of all textures in the quad. |
| 167 | 160 |
| 168 IntRect quadRect(IntPoint(), contentBounds()); | 161 IntRect quadRect(IntPoint(), contentBounds()); |
| (...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 210 quadSink.append(streamVideoQuad.PassAs<DrawQuad>(), appendQuadsData); | 203 quadSink.append(streamVideoQuad.PassAs<DrawQuad>(), appendQuadsData); |
| 211 break; | 204 break; |
| 212 } | 205 } |
| 213 default: | 206 default: |
| 214 CRASH(); // Someone updated convertVFCFormatToGC3DFormat above but updat
e this! | 207 CRASH(); // Someone updated convertVFCFormatToGC3DFormat above but updat
e this! |
| 215 } | 208 } |
| 216 } | 209 } |
| 217 | 210 |
| 218 void VideoLayerImpl::didDraw(ResourceProvider* resourceProvider) | 211 void VideoLayerImpl::didDraw(ResourceProvider* resourceProvider) |
| 219 { | 212 { |
| 220 DCHECK(Proxy::isImplThread()); | |
| 221 LayerImpl::didDraw(resourceProvider); | 213 LayerImpl::didDraw(resourceProvider); |
| 222 | 214 |
| 223 if (!m_frame) | 215 if (!m_frame) |
| 224 return; | 216 return; |
| 225 | 217 |
| 226 if (m_format == GL_TEXTURE_2D) { | 218 if (m_format == GL_TEXTURE_2D) { |
| 227 DCHECK(m_externalTextureResource); | 219 DCHECK(m_externalTextureResource); |
| 228 // FIXME: the following assert will not be true when sending resources t
o a | 220 // FIXME: the following assert will not be true when sending resources t
o a |
| 229 // parent compositor. We will probably need to hold on to m_frame for | 221 // parent compositor. We will probably need to hold on to m_frame for |
| 230 // longer, and have several "current frames" in the pipeline. | 222 // longer, and have several "current frames" in the pipeline. |
| (...skipping 147 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 378 str->append("video layer\n"); | 370 str->append("video layer\n"); |
| 379 LayerImpl::dumpLayerProperties(str, indent); | 371 LayerImpl::dumpLayerProperties(str, indent); |
| 380 } | 372 } |
| 381 | 373 |
| 382 const char* VideoLayerImpl::layerTypeAsString() const | 374 const char* VideoLayerImpl::layerTypeAsString() const |
| 383 { | 375 { |
| 384 return "VideoLayer"; | 376 return "VideoLayer"; |
| 385 } | 377 } |
| 386 | 378 |
| 387 } | 379 } |
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