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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h" | 5 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h" |
6 | 6 |
7 #include "third_party/khronos/GLES2/gl2.h" | 7 #include "third_party/khronos/GLES2/gl2.h" |
8 #ifndef GL_GLEXT_PROTOTYPES | 8 #ifndef GL_GLEXT_PROTOTYPES |
9 #define GL_GLEXT_PROTOTYPES 1 | 9 #define GL_GLEXT_PROTOTYPES 1 |
10 #endif | 10 #endif |
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242 DCHECK(host_.get()); | 242 DCHECK(host_.get()); |
243 | 243 |
244 // Create the object exposing the OpenGL API. | 244 // Create the object exposing the OpenGL API. |
245 const bool bind_generates_resources = false; | 245 const bool bind_generates_resources = false; |
246 const bool support_client_side_arrays = false; | 246 const bool support_client_side_arrays = false; |
247 | 247 |
248 real_gl_.reset(new gpu::gles2::GLES2Implementation( | 248 real_gl_.reset(new gpu::gles2::GLES2Implementation( |
249 gles2_helper_.get(), gles2_share_group.get(), transfer_buffer_.get(), | 249 gles2_helper_.get(), gles2_share_group.get(), transfer_buffer_.get(), |
250 bind_generates_resources, lose_context_when_out_of_memory_, | 250 bind_generates_resources, lose_context_when_out_of_memory_, |
251 support_client_side_arrays, command_buffer_.get())); | 251 support_client_side_arrays, command_buffer_.get())); |
252 setGLInterface(real_gl_.get()); | 252 SetGLInterface(real_gl_.get()); |
253 | 253 |
254 if (!real_gl_->Initialize( | 254 if (!real_gl_->Initialize( |
255 mem_limits_.start_transfer_buffer_size, | 255 mem_limits_.start_transfer_buffer_size, |
256 mem_limits_.min_transfer_buffer_size, | 256 mem_limits_.min_transfer_buffer_size, |
257 mem_limits_.max_transfer_buffer_size, | 257 mem_limits_.max_transfer_buffer_size, |
258 mem_limits_.mapped_memory_reclaim_limit)) { | 258 mem_limits_.mapped_memory_reclaim_limit)) { |
259 LOG(ERROR) << "Failed to initialize GLES2Implementation."; | 259 LOG(ERROR) << "Failed to initialize GLES2Implementation."; |
260 return false; | 260 return false; |
261 } | 261 } |
262 | 262 |
263 if (add_to_share_group) | 263 if (add_to_share_group) |
264 share_group_->AddContextLocked(this); | 264 share_group_->AddContextLocked(this); |
265 | 265 |
266 if (base::CommandLine::ForCurrentProcess()->HasSwitch( | 266 if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
267 switches::kEnableGpuClientTracing)) { | 267 switches::kEnableGpuClientTracing)) { |
268 trace_gl_.reset(new gpu::gles2::GLES2TraceImplementation(GetGLInterface())); | 268 trace_gl_.reset(new gpu::gles2::GLES2TraceImplementation(GetGLInterface())); |
269 setGLInterface(trace_gl_.get()); | 269 SetGLInterface(trace_gl_.get()); |
270 } | 270 } |
271 return true; | 271 return true; |
272 } | 272 } |
273 | 273 |
274 bool WebGraphicsContext3DCommandBufferImpl::InitializeOnCurrentThread() { | 274 bool WebGraphicsContext3DCommandBufferImpl::InitializeOnCurrentThread() { |
275 if (!MaybeInitializeGL()) { | 275 if (!MaybeInitializeGL()) { |
276 DLOG(ERROR) << "Failed to initialize context."; | 276 DLOG(ERROR) << "Failed to initialize context."; |
277 return false; | 277 return false; |
278 } | 278 } |
279 if (gpu::error::IsError(command_buffer_->GetLastError())) { | 279 if (gpu::error::IsError(command_buffer_->GetLastError())) { |
280 LOG(ERROR) << "Context dead on arrival. Last error: " | 280 LOG(ERROR) << "Context dead on arrival. Last error: " |
281 << command_buffer_->GetLastError(); | 281 << command_buffer_->GetLastError(); |
282 return false; | 282 return false; |
283 } | 283 } |
284 | 284 |
285 return true; | 285 return true; |
286 } | 286 } |
287 | 287 |
288 void WebGraphicsContext3DCommandBufferImpl::Destroy() { | 288 void WebGraphicsContext3DCommandBufferImpl::Destroy() { |
289 share_group_->RemoveContext(this); | 289 share_group_->RemoveContext(this); |
290 | 290 |
291 gpu::gles2::GLES2Interface* gl = GetGLInterface(); | 291 gpu::gles2::GLES2Interface* gl = GetGLInterface(); |
292 if (gl) { | 292 if (gl) { |
293 // First flush the context to ensure that any pending frees of resources | 293 // First flush the context to ensure that any pending frees of resources |
294 // are completed. Otherwise, if this context is part of a share group, | 294 // are completed. Otherwise, if this context is part of a share group, |
295 // those resources might leak. Also, any remaining side effects of commands | 295 // those resources might leak. Also, any remaining side effects of commands |
296 // issued on this context might not be visible to other contexts in the | 296 // issued on this context might not be visible to other contexts in the |
297 // share group. | 297 // share group. |
298 gl->Flush(); | 298 gl->Flush(); |
299 setGLInterface(NULL); | 299 SetGLInterface(nullptr); |
300 } | 300 } |
301 | 301 |
302 trace_gl_.reset(); | 302 trace_gl_.reset(); |
303 real_gl_.reset(); | 303 real_gl_.reset(); |
304 transfer_buffer_.reset(); | 304 transfer_buffer_.reset(); |
305 gles2_helper_.reset(); | 305 gles2_helper_.reset(); |
306 real_gl_.reset(); | 306 real_gl_.reset(); |
307 command_buffer_.reset(); | 307 command_buffer_.reset(); |
308 | 308 |
309 host_ = NULL; | 309 host_ = nullptr; |
310 } | 310 } |
311 | 311 |
312 gpu::ContextSupport* | 312 gpu::ContextSupport* |
313 WebGraphicsContext3DCommandBufferImpl::GetContextSupport() { | 313 WebGraphicsContext3DCommandBufferImpl::GetContextSupport() { |
314 return real_gl_.get(); | 314 return real_gl_.get(); |
315 } | 315 } |
316 | 316 |
317 bool WebGraphicsContext3DCommandBufferImpl::IsCommandBufferContextLost() { | 317 bool WebGraphicsContext3DCommandBufferImpl::IsCommandBufferContextLost() { |
318 // If the channel shut down unexpectedly, let that supersede the | 318 // If the channel shut down unexpectedly, let that supersede the |
319 // command buffer's state. | 319 // command buffer's state. |
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358 { | 358 { |
359 base::AutoLock lock(g_default_share_groups_lock.Get()); | 359 base::AutoLock lock(g_default_share_groups_lock.Get()); |
360 g_default_share_groups.Get().erase(host_.get()); | 360 g_default_share_groups.Get().erase(host_.get()); |
361 } | 361 } |
362 | 362 |
363 gpu::CommandBuffer::State state = command_buffer_->GetLastState(); | 363 gpu::CommandBuffer::State state = command_buffer_->GetLastState(); |
364 UmaRecordContextLost(context_type_, state.error, state.context_lost_reason); | 364 UmaRecordContextLost(context_type_, state.error, state.context_lost_reason); |
365 } | 365 } |
366 | 366 |
367 } // namespace content | 367 } // namespace content |
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