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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "content/common/gpu/media/android_deferred_rendering_backing_strategy.h
" | |
| 6 | |
| 7 #include <EGL/egl.h> | |
| 8 #include <EGL/eglext.h> | |
| 9 | |
| 10 #include "base/android/build_info.h" | |
| 11 #include "base/bind.h" | |
| 12 #include "base/logging.h" | |
| 13 #include "base/message_loop/message_loop.h" | |
| 14 #include "base/metrics/histogram.h" | |
| 15 #include "content/common/gpu/media/avda_codec_image.h" | |
| 16 #include "content/common/gpu/media/avda_return_on_failure.h" | |
| 17 #include "content/common/gpu/media/avda_shared_state.h" | |
| 18 #include "gpu/command_buffer/service/context_group.h" | |
| 19 #include "gpu/command_buffer/service/gl_stream_texture_image.h" | |
| 20 #include "gpu/command_buffer/service/gles2_cmd_copy_texture_chromium.h" | |
| 21 #include "gpu/command_buffer/service/texture_manager.h" | |
| 22 #include "gpu/ipc/common/gpu_surface_lookup.h" | |
| 23 #include "gpu/ipc/service/gpu_channel.h" | |
| 24 #include "ui/gl/android/surface_texture.h" | |
| 25 #include "ui/gl/egl_util.h" | |
| 26 #include "ui/gl/gl_bindings.h" | |
| 27 #include "ui/gl/gl_surface_egl.h" | |
| 28 #include "ui/gl/scoped_binders.h" | |
| 29 #include "ui/gl/scoped_make_current.h" | |
| 30 | |
| 31 namespace content { | |
| 32 | |
| 33 AndroidDeferredRenderingBackingStrategy:: | |
| 34 AndroidDeferredRenderingBackingStrategy(AVDAStateProvider* state_provider) | |
| 35 : state_provider_(state_provider), media_codec_(nullptr) {} | |
| 36 | |
| 37 AndroidDeferredRenderingBackingStrategy:: | |
| 38 ~AndroidDeferredRenderingBackingStrategy() {} | |
| 39 | |
| 40 gfx::ScopedJavaSurface AndroidDeferredRenderingBackingStrategy::Initialize( | |
| 41 int surface_view_id) { | |
| 42 shared_state_ = new AVDASharedState(); | |
| 43 | |
| 44 // Create a texture for the SurfaceTexture to use. We don't attach it here | |
| 45 // so that it gets attached in the compositor gl context in the common case. | |
| 46 GLuint service_id = 0; | |
| 47 glGenTextures(1, &service_id); | |
| 48 DCHECK(service_id); | |
| 49 shared_state_->set_surface_texture_service_id(service_id); | |
| 50 | |
| 51 gfx::ScopedJavaSurface surface; | |
| 52 if (surface_view_id != media::VideoDecodeAccelerator::Config::kNoSurfaceID) { | |
| 53 surface = gpu::GpuSurfaceLookup::GetInstance()->AcquireJavaSurface( | |
| 54 surface_view_id); | |
| 55 } else { | |
| 56 if (DoesSurfaceTextureDetachWork()) { | |
| 57 // Create a detached SurfaceTexture. Detaching it will silently fail to | |
| 58 // delete texture 0. | |
| 59 surface_texture_ = gfx::SurfaceTexture::Create(0); | |
| 60 surface_texture_->DetachFromGLContext(); | |
| 61 } else { | |
| 62 // Detach doesn't work so well on all platforms. Just attach the | |
| 63 // SurfaceTexture here, and probably context switch later. | |
| 64 surface_texture_ = gfx::SurfaceTexture::Create(service_id); | |
| 65 shared_state_->DidAttachSurfaceTexture(); | |
| 66 } | |
| 67 surface = gfx::ScopedJavaSurface(surface_texture_.get()); | |
| 68 } | |
| 69 | |
| 70 return surface; | |
| 71 } | |
| 72 | |
| 73 void AndroidDeferredRenderingBackingStrategy::Cleanup( | |
| 74 bool have_context, | |
| 75 const AndroidVideoDecodeAccelerator::OutputBufferMap& buffers) { | |
| 76 // If we failed before Initialize, then do nothing. | |
| 77 if (!shared_state_) | |
| 78 return; | |
| 79 | |
| 80 // Make sure that no PictureBuffer textures refer to the SurfaceTexture or to | |
| 81 // the service_id that we created for it. | |
| 82 for (const std::pair<int, media::PictureBuffer>& entry : buffers) { | |
| 83 ReleaseCodecBufferForPicture(entry.second); | |
| 84 SetImageForPicture(entry.second, nullptr); | |
| 85 } | |
| 86 | |
| 87 // If we're rendering to a SurfaceTexture we can make a copy of the current | |
| 88 // front buffer so that the PictureBuffer textures are still valid. | |
| 89 if (surface_texture_ && have_context && ShouldCopyPictures()) | |
| 90 CopySurfaceTextureToPictures(buffers); | |
| 91 | |
| 92 // Now that no AVDACodecImages refer to the SurfaceTexture's texture, delete | |
| 93 // the texture name. | |
| 94 GLuint service_id = shared_state_->surface_texture_service_id(); | |
| 95 if (service_id > 0 && have_context) | |
| 96 glDeleteTextures(1, &service_id); | |
| 97 } | |
| 98 | |
| 99 scoped_refptr<gfx::SurfaceTexture> | |
| 100 AndroidDeferredRenderingBackingStrategy::GetSurfaceTexture() const { | |
| 101 return surface_texture_; | |
| 102 } | |
| 103 | |
| 104 uint32_t AndroidDeferredRenderingBackingStrategy::GetTextureTarget() const { | |
| 105 // If we're using a surface texture, then we need an external texture target | |
| 106 // to sample from it. If not, then we'll use 2D transparent textures to draw | |
| 107 // a transparent hole through which to see the SurfaceView. This is normally | |
| 108 // needed only for the devtools inspector, since the overlay mechanism handles | |
| 109 // it otherwise. | |
| 110 return surface_texture_ ? GL_TEXTURE_EXTERNAL_OES : GL_TEXTURE_2D; | |
| 111 } | |
| 112 | |
| 113 gfx::Size AndroidDeferredRenderingBackingStrategy::GetPictureBufferSize() | |
| 114 const { | |
| 115 // For SurfaceView, request a 1x1 2D texture to reduce memory during | |
| 116 // initialization. For SurfaceTexture, allocate a picture buffer that is the | |
| 117 // actual frame size. Note that it will be an external texture anyway, so it | |
| 118 // doesn't allocate an image of that size. However, it's still important to | |
| 119 // get the coded size right, so that VideoLayerImpl doesn't try to scale the | |
| 120 // texture when building the quad for it. | |
| 121 return surface_texture_ ? state_provider_->GetSize() : gfx::Size(1, 1); | |
| 122 } | |
| 123 | |
| 124 void AndroidDeferredRenderingBackingStrategy::SetImageForPicture( | |
| 125 const media::PictureBuffer& picture_buffer, | |
| 126 const scoped_refptr<gpu::gles2::GLStreamTextureImage>& image) { | |
| 127 gpu::gles2::TextureRef* texture_ref = | |
| 128 state_provider_->GetTextureForPicture(picture_buffer); | |
| 129 RETURN_IF_NULL(texture_ref); | |
| 130 | |
| 131 gpu::gles2::TextureManager* texture_manager = | |
| 132 state_provider_->GetGlDecoder()->GetContextGroup()->texture_manager(); | |
| 133 RETURN_IF_NULL(texture_manager); | |
| 134 | |
| 135 if (image) { | |
| 136 // Also set the parameters for the level if we're not clearing | |
| 137 // the image. | |
| 138 const gfx::Size size = state_provider_->GetSize(); | |
| 139 texture_manager->SetLevelInfo(texture_ref, GetTextureTarget(), 0, GL_RGBA, | |
| 140 size.width(), size.height(), 1, 0, GL_RGBA, | |
| 141 GL_UNSIGNED_BYTE, gfx::Rect()); | |
| 142 | |
| 143 // Override the texture's service_id, so that it will use the one that | |
| 144 // will be / is attached to the SurfaceTexture. | |
| 145 DCHECK(shared_state_->surface_texture_service_id()); | |
| 146 texture_ref->texture()->SetUnownedServiceId( | |
| 147 shared_state_->surface_texture_service_id()); | |
| 148 | |
| 149 static_cast<AVDACodecImage*>(image.get()) | |
| 150 ->SetTexture(texture_ref->texture()); | |
| 151 } else { | |
| 152 // Clear the unowned service_id, so that this texture is no longer going | |
| 153 // to depend on the surface texture at all. | |
| 154 texture_ref->texture()->SetUnownedServiceId(0); | |
| 155 } | |
| 156 | |
| 157 // For SurfaceTexture we set the image to UNBOUND so that the implementation | |
| 158 // will call CopyTexImage, which is where AVDACodecImage updates the | |
| 159 // SurfaceTexture to the right frame. | |
| 160 // For SurfaceView we set the image to be BOUND because ScheduleOverlayPlane | |
| 161 // expects it. If something tries to sample from this texture it won't work, | |
| 162 // but there's no way to sample from a SurfaceView anyway, so it doesn't | |
| 163 // matter. The only way to use this texture is to schedule it as an overlay. | |
| 164 const gpu::gles2::Texture::ImageState image_state = | |
| 165 surface_texture_ ? gpu::gles2::Texture::UNBOUND | |
| 166 : gpu::gles2::Texture::BOUND; | |
| 167 texture_manager->SetLevelStreamTextureImage(texture_ref, GetTextureTarget(), | |
| 168 0, image.get(), image_state); | |
| 169 } | |
| 170 | |
| 171 void AndroidDeferredRenderingBackingStrategy::UseCodecBufferForPictureBuffer( | |
| 172 int32_t codec_buf_index, | |
| 173 const media::PictureBuffer& picture_buffer) { | |
| 174 // Make sure that the decoder is available. | |
| 175 RETURN_IF_NULL(state_provider_->GetGlDecoder()); | |
| 176 | |
| 177 // Notify the AVDACodecImage for picture_buffer that it should use the | |
| 178 // decoded buffer codec_buf_index to render this frame. | |
| 179 AVDACodecImage* avda_image = | |
| 180 shared_state_->GetImageForPicture(picture_buffer.id()); | |
| 181 RETURN_IF_NULL(avda_image); | |
| 182 | |
| 183 // Note that this is not a race, since we do not re-use a PictureBuffer | |
| 184 // until after the CC is done drawing it. | |
| 185 pictures_out_for_display_.push_back(picture_buffer.id()); | |
| 186 avda_image->SetMediaCodecBufferIndex(codec_buf_index); | |
| 187 avda_image->SetSize(state_provider_->GetSize()); | |
| 188 | |
| 189 MaybeRenderEarly(); | |
| 190 } | |
| 191 | |
| 192 void AndroidDeferredRenderingBackingStrategy::AssignOnePictureBuffer( | |
| 193 const media::PictureBuffer& picture_buffer, | |
| 194 bool have_context) { | |
| 195 // Attach a GLImage to each texture that will use the surface texture. | |
| 196 // We use a refptr here in case SetImageForPicture fails. | |
| 197 scoped_refptr<gpu::gles2::GLStreamTextureImage> gl_image = | |
| 198 new AVDACodecImage(picture_buffer.id(), shared_state_, media_codec_, | |
| 199 state_provider_->GetGlDecoder(), surface_texture_); | |
| 200 SetImageForPicture(picture_buffer, gl_image); | |
| 201 | |
| 202 if (!surface_texture_ && have_context) { | |
| 203 // To make devtools work, we're using a 2D texture. Make it transparent, | |
| 204 // so that it draws a hole for the SV to show through. This is only | |
| 205 // because devtools draws and reads back, which skips overlay processing. | |
| 206 // It's unclear why devtools renders twice -- once normally, and once | |
| 207 // including a readback layer. The result is that the device screen | |
| 208 // flashes as we alternately draw the overlay hole and this texture, | |
| 209 // unless we make the texture transparent. | |
| 210 static const uint8_t rgba[] = {0, 0, 0, 0}; | |
| 211 const gfx::Size size(1, 1); | |
| 212 DCHECK_LE(1u, picture_buffer.texture_ids().size()); | |
| 213 glBindTexture(GL_TEXTURE_2D, picture_buffer.texture_ids()[0]); | |
| 214 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size.width(), size.height(), 0, | |
| 215 GL_RGBA, GL_UNSIGNED_BYTE, rgba); | |
| 216 } | |
| 217 } | |
| 218 | |
| 219 void AndroidDeferredRenderingBackingStrategy::ReleaseCodecBufferForPicture( | |
| 220 const media::PictureBuffer& picture_buffer) { | |
| 221 AVDACodecImage* avda_image = | |
| 222 shared_state_->GetImageForPicture(picture_buffer.id()); | |
| 223 RETURN_IF_NULL(avda_image); | |
| 224 avda_image->UpdateSurface(AVDACodecImage::UpdateMode::DISCARD_CODEC_BUFFER); | |
| 225 } | |
| 226 | |
| 227 void AndroidDeferredRenderingBackingStrategy::ReuseOnePictureBuffer( | |
| 228 const media::PictureBuffer& picture_buffer) { | |
| 229 pictures_out_for_display_.erase( | |
| 230 std::remove(pictures_out_for_display_.begin(), | |
| 231 pictures_out_for_display_.end(), picture_buffer.id()), | |
| 232 pictures_out_for_display_.end()); | |
| 233 | |
| 234 // At this point, the CC must be done with the picture. We can't really | |
| 235 // check for that here directly. it's guaranteed in gpu_video_decoder.cc, | |
| 236 // when it waits on the sync point before releasing the mailbox. That sync | |
| 237 // point is inserted by destroying the resource in VideoLayerImpl::DidDraw. | |
| 238 ReleaseCodecBufferForPicture(picture_buffer); | |
| 239 MaybeRenderEarly(); | |
| 240 } | |
| 241 | |
| 242 void AndroidDeferredRenderingBackingStrategy::ReleaseCodecBuffers( | |
| 243 const AndroidVideoDecodeAccelerator::OutputBufferMap& buffers) { | |
| 244 for (const std::pair<int, media::PictureBuffer>& entry : buffers) | |
| 245 ReleaseCodecBufferForPicture(entry.second); | |
| 246 } | |
| 247 | |
| 248 void AndroidDeferredRenderingBackingStrategy::MaybeRenderEarly() { | |
| 249 // See if we can consume the front buffer / render to the SurfaceView. | |
| 250 if (pictures_out_for_display_.size() == 1u) { | |
| 251 AVDACodecImage* avda_image = | |
| 252 shared_state_->GetImageForPicture(*pictures_out_for_display_.begin()); | |
| 253 RETURN_IF_NULL(avda_image); | |
| 254 avda_image->UpdateSurface( | |
| 255 AVDACodecImage::UpdateMode::RENDER_TO_FRONT_BUFFER); | |
| 256 return; | |
| 257 } | |
| 258 | |
| 259 // Back buffer rendering is only available for surface textures. | |
| 260 if (!surface_texture_) | |
| 261 return; | |
| 262 | |
| 263 // See if the back buffer is free. If so, then render the earliest frame. The | |
| 264 // listing is in render order, so we can just use the first unrendered frame | |
| 265 // if there is back buffer space. | |
| 266 AVDACodecImage* first_renderable_image = nullptr; | |
| 267 for (int id : pictures_out_for_display_) { | |
| 268 AVDACodecImage* avda_image = shared_state_->GetImageForPicture(id); | |
| 269 if (!avda_image) | |
| 270 continue; | |
| 271 | |
| 272 // If the back buffer is unavailable, there's nothing left to do. | |
| 273 if (avda_image->is_rendered_to_back_buffer()) | |
| 274 return; | |
| 275 | |
| 276 // If the image is rendered to the front buffer or has been dropped, it is | |
| 277 // not valid for rendering. | |
| 278 if (avda_image->is_rendered()) | |
| 279 continue; | |
| 280 | |
| 281 if (!first_renderable_image) | |
| 282 first_renderable_image = avda_image; | |
| 283 } | |
| 284 | |
| 285 if (first_renderable_image) { | |
| 286 first_renderable_image->UpdateSurface( | |
| 287 AVDACodecImage::UpdateMode::RENDER_TO_BACK_BUFFER); | |
| 288 } | |
| 289 } | |
| 290 | |
| 291 void AndroidDeferredRenderingBackingStrategy::CodecChanged( | |
| 292 media::VideoCodecBridge* codec) { | |
| 293 media_codec_ = codec; | |
| 294 shared_state_->CodecChanged(codec); | |
| 295 } | |
| 296 | |
| 297 void AndroidDeferredRenderingBackingStrategy::OnFrameAvailable() { | |
| 298 shared_state_->SignalFrameAvailable(); | |
| 299 } | |
| 300 | |
| 301 bool AndroidDeferredRenderingBackingStrategy::ArePicturesOverlayable() { | |
| 302 // SurfaceView frames are always overlayable because that's the only way to | |
| 303 // display them. | |
| 304 return !surface_texture_; | |
| 305 } | |
| 306 | |
| 307 void AndroidDeferredRenderingBackingStrategy::UpdatePictureBufferSize( | |
| 308 media::PictureBuffer* picture_buffer, | |
| 309 const gfx::Size& new_size) { | |
| 310 // This strategy uses EGL images which manage the texture size for us. We | |
| 311 // simply update the PictureBuffer meta-data and leave the texture as-is. | |
| 312 picture_buffer->set_size(new_size); | |
| 313 } | |
| 314 | |
| 315 void AndroidDeferredRenderingBackingStrategy::CopySurfaceTextureToPictures( | |
| 316 const AndroidVideoDecodeAccelerator::OutputBufferMap& buffers) { | |
| 317 DVLOG(3) << __FUNCTION__; | |
| 318 | |
| 319 // Don't try to copy if the SurfaceTexture was never attached because that | |
| 320 // means it was never updated. | |
| 321 if (!shared_state_->surface_texture_is_attached()) | |
| 322 return; | |
| 323 | |
| 324 gpu::gles2::GLES2Decoder* gl_decoder = state_provider_->GetGlDecoder().get(); | |
| 325 if (!gl_decoder) | |
| 326 return; | |
| 327 | |
| 328 const gfx::Size size = state_provider_->GetSize(); | |
| 329 | |
| 330 // Create a 2D texture to hold a copy of the SurfaceTexture's front buffer. | |
| 331 GLuint tmp_texture_id; | |
| 332 glGenTextures(1, &tmp_texture_id); | |
| 333 { | |
| 334 gfx::ScopedTextureBinder texture_binder(GL_TEXTURE_2D, tmp_texture_id); | |
| 335 // The target texture's size will exactly match the source. | |
| 336 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); | |
| 337 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); | |
| 338 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); | |
| 339 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); | |
| 340 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size.width(), size.height(), 0, | |
| 341 GL_RGBA, GL_UNSIGNED_BYTE, nullptr); | |
| 342 } | |
| 343 | |
| 344 float transform_matrix[16]; | |
| 345 surface_texture_->GetTransformMatrix(transform_matrix); | |
| 346 | |
| 347 gpu::CopyTextureCHROMIUMResourceManager copier; | |
| 348 copier.Initialize( | |
| 349 gl_decoder, | |
| 350 gl_decoder->GetContextGroup()->feature_info()->feature_flags()); | |
| 351 copier.DoCopyTextureWithTransform(gl_decoder, GL_TEXTURE_EXTERNAL_OES, | |
| 352 shared_state_->surface_texture_service_id(), | |
| 353 GL_TEXTURE_2D, tmp_texture_id, size.width(), | |
| 354 size.height(), true, false, false, | |
| 355 transform_matrix); | |
| 356 | |
| 357 // Create an EGLImage from the 2D texture we just copied into. By associating | |
| 358 // the EGLImage with the PictureBuffer textures they will remain valid even | |
| 359 // after we delete the 2D texture and EGLImage. | |
| 360 const EGLImageKHR egl_image = eglCreateImageKHR( | |
| 361 gfx::GLSurfaceEGL::GetHardwareDisplay(), eglGetCurrentContext(), | |
| 362 EGL_GL_TEXTURE_2D_KHR, reinterpret_cast<EGLClientBuffer>(tmp_texture_id), | |
| 363 nullptr /* attrs */); | |
| 364 | |
| 365 glDeleteTextures(1, &tmp_texture_id); | |
| 366 DCHECK_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); | |
| 367 | |
| 368 if (egl_image == EGL_NO_IMAGE_KHR) { | |
| 369 DLOG(ERROR) << "Failed creating EGLImage: " << ui::GetLastEGLErrorString(); | |
| 370 return; | |
| 371 } | |
| 372 | |
| 373 for (const std::pair<int, media::PictureBuffer>& entry : buffers) { | |
| 374 gpu::gles2::TextureRef* texture_ref = | |
| 375 state_provider_->GetTextureForPicture(entry.second); | |
| 376 if (!texture_ref) | |
| 377 continue; | |
| 378 gfx::ScopedTextureBinder texture_binder( | |
| 379 GL_TEXTURE_EXTERNAL_OES, texture_ref->texture()->service_id()); | |
| 380 glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, egl_image); | |
| 381 DCHECK_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); | |
| 382 } | |
| 383 | |
| 384 EGLBoolean result = | |
| 385 eglDestroyImageKHR(gfx::GLSurfaceEGL::GetHardwareDisplay(), egl_image); | |
| 386 if (result == EGL_FALSE) { | |
| 387 DLOG(ERROR) << "Error destroying EGLImage: " | |
| 388 << ui::GetLastEGLErrorString(); | |
| 389 } | |
| 390 } | |
| 391 | |
| 392 bool AndroidDeferredRenderingBackingStrategy::DoesSurfaceTextureDetachWork() | |
| 393 const { | |
| 394 bool surface_texture_detach_works = true; | |
| 395 if (gpu::gles2::GLES2Decoder* gl_decoder = | |
| 396 state_provider_->GetGlDecoder().get()) { | |
| 397 if (gpu::gles2::ContextGroup* group = gl_decoder->GetContextGroup()) { | |
| 398 if (gpu::gles2::FeatureInfo* feature_info = group->feature_info()) { | |
| 399 surface_texture_detach_works = | |
| 400 !feature_info->workarounds().surface_texture_cant_detach; | |
| 401 } | |
| 402 } | |
| 403 } | |
| 404 | |
| 405 // As a special case, the MicroMax A114 doesn't get the workaround, even | |
| 406 // though it should. Hardcode it here until we get a device and figure out | |
| 407 // why. crbug.com/591600 | |
| 408 if (base::android::BuildInfo::GetInstance()->sdk_int() <= 18) { // JB | |
| 409 const std::string brand( | |
| 410 base::ToLowerASCII(base::android::BuildInfo::GetInstance()->brand())); | |
| 411 if (brand == "micromax") { | |
| 412 const std::string model( | |
| 413 base::ToLowerASCII(base::android::BuildInfo::GetInstance()->model())); | |
| 414 if (model.find("a114") != std::string::npos) | |
| 415 surface_texture_detach_works = false; | |
| 416 } | |
| 417 } | |
| 418 | |
| 419 return surface_texture_detach_works; | |
| 420 } | |
| 421 | |
| 422 bool AndroidDeferredRenderingBackingStrategy::ShouldCopyPictures() const { | |
| 423 // Mali + <= KitKat crashes when we try to do this. We don't know if it's | |
| 424 // due to detaching a surface texture, but it's the same set of devices. | |
| 425 if (!DoesSurfaceTextureDetachWork()) | |
| 426 return false; | |
| 427 | |
| 428 // Other devices are unreliable for other reasons (e.g., EGLImage). | |
| 429 if (gpu::gles2::GLES2Decoder* gl_decoder = | |
| 430 state_provider_->GetGlDecoder().get()) { | |
| 431 if (gpu::gles2::ContextGroup* group = gl_decoder->GetContextGroup()) { | |
| 432 if (gpu::gles2::FeatureInfo* feature_info = group->feature_info()) { | |
| 433 return !feature_info->workarounds().avda_dont_copy_pictures; | |
| 434 } | |
| 435 } | |
| 436 } | |
| 437 | |
| 438 // Assume so. | |
| 439 return true; | |
| 440 } | |
| 441 | |
| 442 } // namespace content | |
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Chromium Code Reviews
Issue 1882373004:
Migrate content/common/gpu/media code to media/gpu (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master