Ping watchdog thread during GpuChannel destruction

gpu/command_buffer/service/texture_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/service/texture_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
 #include "base/bits.h"
 #include "base/format_macros.h"
 #include "base/lazy_instance.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/context_state.h"
 #include "gpu/command_buffer/service/error_state.h"
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/framebuffer_manager.h"
 #include "gpu/command_buffer/service/gl_stream_texture_image.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "gpu/command_buffer/service/mailbox_manager.h"
 #include "gpu/command_buffer/service/memory_tracking.h"
+#include "gpu/command_buffer/service/progress_reporter.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_state_restorer.h"
 #include "ui/gl/gl_version_info.h"
 #include "ui/gl/trace_util.h"
 
 namespace gpu {
 namespace gles2 {
 
 namespace {
@@ skipping 314 matching lines @@
   DCHECK_EQ(0, num_unsafe_textures_);
   DCHECK_EQ(0, num_uncleared_mips_);
   DCHECK_EQ(0, num_images_);
 
   base::trace_event::MemoryDumpManager::GetInstance()->UnregisterDumpProvider(
       this);
 }
 
 void TextureManager::Destroy(bool have_context) {
   have_context_ = have_context;
-  textures_.clear();
+
+  while (!textures_.empty()) {
+    textures_.erase(textures_.begin());
+    if (progress_reporter_)
+      progress_reporter_->ReportProgress();
+  }
   for (int ii = 0; ii < kNumDefaultTextures; ++ii) {
     default_textures_[ii] = NULL;
+    if (progress_reporter_)
+      progress_reporter_->ReportProgress();
   }
 
   if (have_context) {
     glDeleteTextures(arraysize(black_texture_ids_), black_texture_ids_);
   }
 
   DCHECK_EQ(0u, memory_type_tracker_->GetMemRepresented());
 }
 
 TextureBase::TextureBase(GLuint service_id)
@@ skipping 1402 matching lines @@
   force_context_lost_ = true;
 }
 
 TextureManager::TextureManager(MemoryTracker* memory_tracker,
                                FeatureInfo* feature_info,
                                GLint max_texture_size,
                                GLint max_cube_map_texture_size,
                                GLint max_rectangle_texture_size,
                                GLint max_3d_texture_size,
                                GLint max_array_texture_layers,
-                               bool use_default_textures)
+                               bool use_default_textures,
+                               ProgressReporter* progress_reporter)
     : memory_type_tracker_(new MemoryTypeTracker(memory_tracker)),
       memory_tracker_(memory_tracker),
       feature_info_(feature_info),
       framebuffer_manager_(NULL),
       max_texture_size_(max_texture_size),
       max_cube_map_texture_size_(max_cube_map_texture_size),
       max_rectangle_texture_size_(max_rectangle_texture_size),
       max_3d_texture_size_(max_3d_texture_size),
       max_array_texture_layers_(max_array_texture_layers),
       max_levels_(ComputeMipMapCount(GL_TEXTURE_2D,
                                      max_texture_size,
                                      max_texture_size,
                                      0)),
       max_cube_map_levels_(ComputeMipMapCount(GL_TEXTURE_CUBE_MAP,
                                               max_cube_map_texture_size,
                                               max_cube_map_texture_size,
                                               0)),
       max_3d_levels_(ComputeMipMapCount(GL_TEXTURE_3D,
                                         max_3d_texture_size,
                                         max_3d_texture_size,
                                         max_3d_texture_size)),
       use_default_textures_(use_default_textures),
       num_unsafe_textures_(0),
       num_uncleared_mips_(0),
       num_images_(0),
       texture_count_(0),
       have_context_(true),
-      current_service_id_generation_(0) {
+      current_service_id_generation_(0),
+      progress_reporter_(progress_reporter) {
   for (int ii = 0; ii < kNumDefaultTextures; ++ii) {
     black_texture_ids_[ii] = 0;
   }
 }
 
 bool TextureManager::Initialize() {
   // Reset PIXEL_UNPACK_BUFFER to avoid unrelated GL error on some GL drivers.
   if (feature_info_->gl_version_info().is_es3_capable) {
     glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
   }
@@ skipping 1639 matching lines @@
 uint32_t TextureManager::GetServiceIdGeneration() const {
   return current_service_id_generation_;
 }
 
 void TextureManager::IncrementServiceIdGeneration() {
   current_service_id_generation_++;
 }
 
 }  // namespace gles2
 }  // namespace gpu