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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 SetImageForPicture(entry.second, nullptr); | |
| 84 | |
| 85 // If we're rendering to a SurfaceTexture we can make a copy of the current | |
| 86 // front buffer so that the PictureBuffer textures are still valid. | |
| 87 if (surface_texture_ && have_context && ShouldCopyPictures()) | |
| 88 CopySurfaceTextureToPictures(buffers); | |
| 89 | |
| 90 // Now that no AVDACodecImages refer to the SurfaceTexture's texture, delete | |
| 91 // the texture name. | |
| 92 GLuint service_id = shared_state_->surface_texture_service_id(); | |
| 93 if (service_id > 0 && have_context) | |
| 94 glDeleteTextures(1, &service_id); | |
| 95 } | |
| 96 | |
| 97 scoped_refptr<gfx::SurfaceTexture> | |
| 98 AndroidDeferredRenderingBackingStrategy::GetSurfaceTexture() const { | |
| 99 return surface_texture_; | |
| 100 } | |
| 101 | |
| 102 uint32_t AndroidDeferredRenderingBackingStrategy::GetTextureTarget() const { | |
| 103 // If we're using a surface texture, then we need an external texture target | |
| 104 // to sample from it. If not, then we'll use 2D transparent textures to draw | |
| 105 // a transparent hole through which to see the SurfaceView. This is normally | |
| 106 // needed only for the devtools inspector, since the overlay mechanism handles | |
| 107 // it otherwise. | |
| 108 return surface_texture_ ? GL_TEXTURE_EXTERNAL_OES : GL_TEXTURE_2D; | |
| 109 } | |
| 110 | |
| 111 gfx::Size AndroidDeferredRenderingBackingStrategy::GetPictureBufferSize() | |
| 112 const { | |
| 113 // For SurfaceView, request a 1x1 2D texture to reduce memory during | |
| 114 // initialization. For SurfaceTexture, allocate a picture buffer that is the | |
| 115 // actual frame size. Note that it will be an external texture anyway, so it | |
| 116 // doesn't allocate an image of that size. However, it's still important to | |
| 117 // get the coded size right, so that VideoLayerImpl doesn't try to scale the | |
| 118 // texture when building the quad for it. | |
| 119 return surface_texture_ ? state_provider_->GetSize() : gfx::Size(1, 1); | |
| 120 } | |
| 121 | |
| 122 AVDACodecImage* AndroidDeferredRenderingBackingStrategy::GetImageForPicture( | |
| 123 const media::PictureBuffer& picture_buffer) { | |
| 124 gpu::gles2::TextureRef* texture_ref = | |
| 125 state_provider_->GetTextureForPicture(picture_buffer); | |
| 126 RETURN_NULL_IF_NULL(texture_ref); | |
| 127 gl::GLImage* image = | |
| 128 texture_ref->texture()->GetLevelImage(GetTextureTarget(), 0); | |
| 129 return static_cast<AVDACodecImage*>(image); | |
| 130 } | |
| 131 | |
| 132 void AndroidDeferredRenderingBackingStrategy::SetImageForPicture( | |
| 133 const media::PictureBuffer& picture_buffer, | |
| 134 const scoped_refptr<gpu::gles2::GLStreamTextureImage>& image) { | |
| 135 gpu::gles2::TextureRef* texture_ref = | |
| 136 state_provider_->GetTextureForPicture(picture_buffer); | |
| 137 RETURN_IF_NULL(texture_ref); | |
| 138 | |
| 139 gpu::gles2::TextureManager* texture_manager = | |
| 140 state_provider_->GetGlDecoder()->GetContextGroup()->texture_manager(); | |
| 141 RETURN_IF_NULL(texture_manager); | |
| 142 | |
| 143 if (image) { | |
| 144 // Also set the parameters for the level if we're not clearing | |
| 145 // the image. | |
| 146 const gfx::Size size = state_provider_->GetSize(); | |
| 147 texture_manager->SetLevelInfo(texture_ref, GetTextureTarget(), 0, GL_RGBA, | |
| 148 size.width(), size.height(), 1, 0, GL_RGBA, | |
| 149 GL_UNSIGNED_BYTE, gfx::Rect()); | |
| 150 | |
| 151 // Override the texture's service_id, so that it will use the one that | |
| 152 // will be / is attached to the SurfaceTexture. | |
| 153 DCHECK(shared_state_->surface_texture_service_id()); | |
| 154 texture_ref->texture()->SetUnownedServiceId( | |
| 155 shared_state_->surface_texture_service_id()); | |
| 156 | |
| 157 static_cast<AVDACodecImage*>(image.get()) | |
| 158 ->SetTexture(texture_ref->texture()); | |
| 159 } else { | |
| 160 // Clear the unowned service_id, so that this texture is no longer going | |
| 161 // to depend on the surface texture at all. | |
| 162 texture_ref->texture()->SetUnownedServiceId(0); | |
| 163 } | |
| 164 | |
| 165 // For SurfaceTexture we set the image to UNBOUND so that the implementation | |
| 166 // will call CopyTexImage, which is where AVDACodecImage updates the | |
| 167 // SurfaceTexture to the right frame. | |
| 168 // For SurfaceView we set the image to be BOUND because ScheduleOverlayPlane | |
| 169 // expects it. If something tries to sample from this texture it won't work, | |
| 170 // but there's no way to sample from a SurfaceView anyway, so it doesn't | |
| 171 // matter. The only way to use this texture is to schedule it as an overlay. | |
| 172 const gpu::gles2::Texture::ImageState image_state = | |
| 173 surface_texture_ ? gpu::gles2::Texture::UNBOUND | |
| 174 : gpu::gles2::Texture::BOUND; | |
| 175 texture_manager->SetLevelStreamTextureImage(texture_ref, GetTextureTarget(), | |
| 176 0, image.get(), image_state); | |
| 177 } | |
| 178 | |
| 179 void AndroidDeferredRenderingBackingStrategy::UseCodecBufferForPictureBuffer( | |
| 180 int32_t codec_buf_index, | |
| 181 const media::PictureBuffer& picture_buffer) { | |
| 182 // Make sure that the decoder is available. | |
| 183 RETURN_IF_NULL(state_provider_->GetGlDecoder()); | |
| 184 | |
| 185 // Notify the AVDACodecImage for picture_buffer that it should use the | |
| 186 // decoded buffer codec_buf_index to render this frame. | |
| 187 AVDACodecImage* avda_image = GetImageForPicture(picture_buffer); | |
| 188 RETURN_IF_NULL(avda_image); | |
| 189 DCHECK_EQ(avda_image->GetMediaCodecBufferIndex(), -1); | |
| 190 // Note that this is not a race, since we do not re-use a PictureBuffer | |
| 191 // until after the CC is done drawing it. | |
| 192 avda_image->SetMediaCodecBufferIndex(codec_buf_index); | |
| 193 avda_image->SetSize(state_provider_->GetSize()); | |
| 194 } | |
| 195 | |
| 196 void AndroidDeferredRenderingBackingStrategy::AssignOnePictureBuffer( | |
| 197 const media::PictureBuffer& picture_buffer, | |
| 198 bool have_context) { | |
| 199 // Attach a GLImage to each texture that will use the surface texture. | |
| 200 // We use a refptr here in case SetImageForPicture fails. | |
| 201 scoped_refptr<gpu::gles2::GLStreamTextureImage> gl_image = | |
| 202 new AVDACodecImage(shared_state_, media_codec_, | |
| 203 state_provider_->GetGlDecoder(), surface_texture_); | |
| 204 SetImageForPicture(picture_buffer, gl_image); | |
| 205 | |
| 206 if (!surface_texture_ && have_context) { | |
| 207 // To make devtools work, we're using a 2D texture. Make it transparent, | |
| 208 // so that it draws a hole for the SV to show through. This is only | |
| 209 // because devtools draws and reads back, which skips overlay processing. | |
| 210 // It's unclear why devtools renders twice -- once normally, and once | |
| 211 // including a readback layer. The result is that the device screen | |
| 212 // flashes as we alternately draw the overlay hole and this texture, | |
| 213 // unless we make the texture transparent. | |
| 214 static const uint8_t rgba[] = {0, 0, 0, 0}; | |
| 215 const gfx::Size size(1, 1); | |
| 216 DCHECK_LE(1u, picture_buffer.texture_ids().size()); | |
| 217 glBindTexture(GL_TEXTURE_2D, picture_buffer.texture_ids()[0]); | |
| 218 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size.width(), size.height(), 0, | |
| 219 GL_RGBA, GL_UNSIGNED_BYTE, rgba); | |
| 220 } | |
| 221 } | |
| 222 | |
| 223 void AndroidDeferredRenderingBackingStrategy::ReleaseCodecBufferForPicture( | |
| 224 const media::PictureBuffer& picture_buffer) { | |
| 225 AVDACodecImage* avda_image = GetImageForPicture(picture_buffer); | |
| 226 | |
| 227 // See if there is a media codec buffer still attached to this image. | |
| 228 const int32_t codec_buffer = avda_image->GetMediaCodecBufferIndex(); | |
| 229 | |
| 230 if (codec_buffer >= 0) { | |
| 231 // PictureBuffer wasn't displayed, so release the buffer. | |
| 232 media_codec_->ReleaseOutputBuffer(codec_buffer, false); | |
| 233 avda_image->SetMediaCodecBufferIndex(-1); | |
| 234 } | |
| 235 } | |
| 236 | |
| 237 void AndroidDeferredRenderingBackingStrategy::ReuseOnePictureBuffer( | |
| 238 const media::PictureBuffer& picture_buffer) { | |
| 239 // At this point, the CC must be done with the picture. We can't really | |
| 240 // check for that here directly. it's guaranteed in gpu_video_decoder.cc, | |
| 241 // when it waits on the sync point before releasing the mailbox. That sync | |
| 242 // point is inserted by destroying the resource in VideoLayerImpl::DidDraw. | |
| 243 ReleaseCodecBufferForPicture(picture_buffer); | |
| 244 } | |
| 245 | |
| 246 void AndroidDeferredRenderingBackingStrategy::CodecChanged( | |
| 247 media::VideoCodecBridge* codec, | |
| 248 const AndroidVideoDecodeAccelerator::OutputBufferMap& buffers) { | |
| 249 // Clear any outstanding codec buffer indices, since the new codec (if any) | |
| 250 // doesn't know about them. | |
| 251 media_codec_ = codec; | |
| 252 for (const std::pair<int, media::PictureBuffer>& entry : buffers) { | |
| 253 AVDACodecImage* avda_image = GetImageForPicture(entry.second); | |
| 254 avda_image->SetMediaCodec(codec); | |
| 255 avda_image->SetMediaCodecBufferIndex(-1); | |
| 256 } | |
| 257 } | |
| 258 | |
| 259 void AndroidDeferredRenderingBackingStrategy::OnFrameAvailable() { | |
| 260 shared_state_->SignalFrameAvailable(); | |
| 261 } | |
| 262 | |
| 263 bool AndroidDeferredRenderingBackingStrategy::ArePicturesOverlayable() { | |
| 264 // SurfaceView frames are always overlayable because that's the only way to | |
| 265 // display them. | |
| 266 return !surface_texture_; | |
| 267 } | |
| 268 | |
| 269 void AndroidDeferredRenderingBackingStrategy::UpdatePictureBufferSize( | |
| 270 media::PictureBuffer* picture_buffer, | |
| 271 const gfx::Size& new_size) { | |
| 272 // This strategy uses EGL images which manage the texture size for us. We | |
| 273 // simply update the PictureBuffer meta-data and leave the texture as-is. | |
| 274 picture_buffer->set_size(new_size); | |
| 275 } | |
| 276 | |
| 277 void AndroidDeferredRenderingBackingStrategy::CopySurfaceTextureToPictures( | |
| 278 const AndroidVideoDecodeAccelerator::OutputBufferMap& buffers) { | |
| 279 DVLOG(3) << __FUNCTION__; | |
| 280 | |
| 281 // Don't try to copy if the SurfaceTexture was never attached because that | |
| 282 // means it was never updated. | |
| 283 if (!shared_state_->surface_texture_is_attached()) | |
| 284 return; | |
| 285 | |
| 286 gpu::gles2::GLES2Decoder* gl_decoder = state_provider_->GetGlDecoder().get(); | |
| 287 if (!gl_decoder) | |
| 288 return; | |
| 289 | |
| 290 const gfx::Size size = state_provider_->GetSize(); | |
| 291 | |
| 292 // Create a 2D texture to hold a copy of the SurfaceTexture's front buffer. | |
| 293 GLuint tmp_texture_id; | |
| 294 glGenTextures(1, &tmp_texture_id); | |
| 295 { | |
| 296 gfx::ScopedTextureBinder texture_binder(GL_TEXTURE_2D, tmp_texture_id); | |
| 297 // The target texture's size will exactly match the source. | |
| 298 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); | |
| 299 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); | |
| 300 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); | |
| 301 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); | |
| 302 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size.width(), size.height(), 0, | |
| 303 GL_RGBA, GL_UNSIGNED_BYTE, nullptr); | |
| 304 } | |
| 305 | |
| 306 | |
| 307 | |
| 308 float transform_matrix[16]; | |
| 309 surface_texture_->GetTransformMatrix(transform_matrix); | |
| 310 | |
| 311 gpu::CopyTextureCHROMIUMResourceManager copier; | |
| 312 copier.Initialize( | |
| 313 gl_decoder, | |
| 314 gl_decoder->GetContextGroup()->feature_info()->feature_flags()); | |
| 315 copier.DoCopyTextureWithTransform(gl_decoder, GL_TEXTURE_EXTERNAL_OES, | |
| 316 shared_state_->surface_texture_service_id(), | |
| 317 GL_TEXTURE_2D, tmp_texture_id, size.width(), | |
| 318 size.height(), true, false, false, | |
| 319 transform_matrix); | |
| 320 | |
| 321 // Create an EGLImage from the 2D texture we just copied into. By associating | |
| 322 // the EGLImage with the PictureBuffer textures they will remain valid even | |
| 323 // after we delete the 2D texture and EGLImage. | |
| 324 const EGLImageKHR egl_image = eglCreateImageKHR( | |
| 325 gfx::GLSurfaceEGL::GetHardwareDisplay(), eglGetCurrentContext(), | |
| 326 EGL_GL_TEXTURE_2D_KHR, reinterpret_cast<EGLClientBuffer>(tmp_texture_id), | |
| 327 nullptr /* attrs */); | |
| 328 | |
| 329 glDeleteTextures(1, &tmp_texture_id); | |
| 330 DCHECK_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); | |
| 331 | |
| 332 if (egl_image == EGL_NO_IMAGE_KHR) { | |
| 333 DLOG(ERROR) << "Failed creating EGLImage: " << ui::GetLastEGLErrorString(); | |
| 334 return; | |
| 335 } | |
| 336 | |
| 337 for (const std::pair<int, media::PictureBuffer>& entry : buffers) { | |
| 338 gpu::gles2::TextureRef* texture_ref = | |
| 339 state_provider_->GetTextureForPicture(entry.second); | |
| 340 if (!texture_ref) | |
| 341 continue; | |
| 342 gfx::ScopedTextureBinder texture_binder( | |
| 343 GL_TEXTURE_EXTERNAL_OES, texture_ref->texture()->service_id()); | |
| 344 glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, egl_image); | |
| 345 DCHECK_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); | |
| 346 } | |
| 347 | |
| 348 EGLBoolean result = | |
| 349 eglDestroyImageKHR(gfx::GLSurfaceEGL::GetHardwareDisplay(), egl_image); | |
| 350 if (result == EGL_FALSE) { | |
| 351 DLOG(ERROR) << "Error destroying EGLImage: " | |
| 352 << ui::GetLastEGLErrorString(); | |
| 353 } | |
| 354 } | |
| 355 | |
| 356 bool AndroidDeferredRenderingBackingStrategy::DoesSurfaceTextureDetachWork() | |
| 357 const { | |
| 358 bool surface_texture_detach_works = true; | |
| 359 if (gpu::gles2::GLES2Decoder* gl_decoder = | |
| 360 state_provider_->GetGlDecoder().get()) { | |
| 361 if (gpu::gles2::ContextGroup* group = gl_decoder->GetContextGroup()) { | |
| 362 if (gpu::gles2::FeatureInfo* feature_info = group->feature_info()) { | |
| 363 surface_texture_detach_works = | |
| 364 !feature_info->workarounds().surface_texture_cant_detach; | |
| 365 } | |
| 366 } | |
| 367 } | |
| 368 | |
| 369 // As a special case, the MicroMax A114 doesn't get the workaround, even | |
| 370 // though it should. Hardcode it here until we get a device and figure out | |
| 371 // why. crbug.com/591600 | |
| 372 if (base::android::BuildInfo::GetInstance()->sdk_int() <= 18) { // JB | |
| 373 const std::string brand( | |
| 374 base::ToLowerASCII(base::android::BuildInfo::GetInstance()->brand())); | |
| 375 if (brand == "micromax") { | |
| 376 const std::string model( | |
| 377 base::ToLowerASCII(base::android::BuildInfo::GetInstance()->model())); | |
| 378 if (model.find("a114") != std::string::npos) | |
| 379 surface_texture_detach_works = false; | |
| 380 } | |
| 381 } | |
| 382 | |
| 383 return surface_texture_detach_works; | |
| 384 } | |
| 385 | |
| 386 bool AndroidDeferredRenderingBackingStrategy::ShouldCopyPictures() const { | |
| 387 // Mali + <= KitKat crashes when we try to do this. We don't know if it's | |
| 388 // due to detaching a surface texture, but it's the same set of devices. | |
| 389 if (!DoesSurfaceTextureDetachWork()) | |
| 390 return false; | |
| 391 | |
| 392 // Other devices are unreliable for other reasons (e.g., EGLImage). | |
| 393 if (gpu::gles2::GLES2Decoder* gl_decoder = | |
| 394 state_provider_->GetGlDecoder().get()) { | |
| 395 if (gpu::gles2::ContextGroup* group = gl_decoder->GetContextGroup()) { | |
| 396 if (gpu::gles2::FeatureInfo* feature_info = group->feature_info()) { | |
| 397 return !feature_info->workarounds().avda_dont_copy_pictures; | |
| 398 } | |
| 399 } | |
| 400 } | |
| 401 | |
| 402 // Assume so. | |
| 403 return true; | |
| 404 } | |
| 405 | |
| 406 } // namespace content | |
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