Merge 261120 "gpu: Lose context when BeginQueryEXT fails to allo..."

gpu/command_buffer/service/gles2_cmd_decoder.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/gles2_cmd_decoder.h"
 
 #include <stdio.h>
 
 #include <algorithm>
 #include <list>
@@ skipping 523 matching lines @@
 GLES2Decoder::~GLES2Decoder() {
 }
 
 void GLES2Decoder::BeginDecoding() {}
 
 void GLES2Decoder::EndDecoding() {}
 
 // This class implements GLES2Decoder so we don't have to expose all the GLES2
 // cmd stuff to outside this class.
 class GLES2DecoderImpl : public GLES2Decoder,
-                         public FramebufferManager::TextureDetachObserver {
+                         public FramebufferManager::TextureDetachObserver,
+                         public ErrorStateClient {
  public:
   explicit GLES2DecoderImpl(ContextGroup* group);
   virtual ~GLES2DecoderImpl();
 
   // Overridden from AsyncAPIInterface.
   virtual Error DoCommand(unsigned int command,
                           unsigned int arg_count,
                           const void* args) OVERRIDE;
 
   // Overridden from AsyncAPIInterface.
@@ skipping 107 matching lines @@
   bool BoundFramebufferHasColorAttachmentWithAlpha(bool all_draw_buffers);
   bool BoundFramebufferHasDepthAttachment();
   bool BoundFramebufferHasStencilAttachment();
 
   virtual error::ContextLostReason GetContextLostReason() OVERRIDE;
 
   // Overridden from FramebufferManager::TextureDetachObserver:
   virtual void OnTextureRefDetachedFromFramebuffer(
       TextureRef* texture) OVERRIDE;
 
+  // Overriden from ErrorStateClient.
+  virtual void OnOutOfMemoryError() OVERRIDE;
+
   // Helpers to facilitate calling into compatible extensions.
   static void RenderbufferStorageMultisampleHelper(
       const FeatureInfo* feature_info,
       GLenum target,
       GLsizei samples,
       GLenum internal_format,
       GLsizei width,
       GLsizei height);
 
   void BlitFramebufferHelper(GLint srcX0,
@@ skipping 1031 matching lines @@
   // contexts, the assumptions on the availablity of extensions in WebGL
   // contexts may be broken.  These flags override the shared state to preserve
   // WebGL semantics.
   bool force_webgl_glsl_validation_;
   bool derivatives_explicitly_enabled_;
   bool frag_depth_explicitly_enabled_;
   bool draw_buffers_explicitly_enabled_;
 
   bool compile_shader_always_succeeds_;
 
+  // An optional behaviour to lose the context and group when OOM.
+  bool lose_context_when_out_of_memory_;
+
   // Log extra info.
   bool service_logging_;
 
 #if defined(OS_MACOSX)
   typedef std::map<GLuint, CFTypeRef> TextureToIOSurfaceMap;
   TextureToIOSurfaceMap texture_to_io_surface_map_;
 #endif
 
   scoped_ptr<CopyTextureCHROMIUMResourceManager> copy_texture_CHROMIUM_;
 
@@ skipping 445 matching lines @@
 }
 
 GLES2Decoder* GLES2Decoder::Create(ContextGroup* group) {
   return new GLES2DecoderImpl(group);
 }
 
 GLES2DecoderImpl::GLES2DecoderImpl(ContextGroup* group)
     : GLES2Decoder(),
       group_(group),
       logger_(&debug_marker_manager_),
-      state_(group_->feature_info(), &logger_),
+      state_(group_->feature_info(), this, &logger_),
       unpack_flip_y_(false),
       unpack_premultiply_alpha_(false),
       unpack_unpremultiply_alpha_(false),
       attrib_0_buffer_id_(0),
       attrib_0_buffer_matches_value_(true),
       attrib_0_size_(0),
       fixed_attrib_buffer_id_(0),
       fixed_attrib_buffer_size_(0),
       offscreen_target_color_format_(0),
       offscreen_target_depth_format_(0),
@@ skipping 12 matching lines @@
       frame_number_(0),
       has_robustness_extension_(false),
       reset_status_(GL_NO_ERROR),
       reset_by_robustness_extension_(false),
       supports_post_sub_buffer_(false),
       force_webgl_glsl_validation_(false),
       derivatives_explicitly_enabled_(false),
       frag_depth_explicitly_enabled_(false),
       draw_buffers_explicitly_enabled_(false),
       compile_shader_always_succeeds_(false),
+      lose_context_when_out_of_memory_(false),
       service_logging_(CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableGPUServiceLoggingGPU)),
       viewport_max_width_(0),
       viewport_max_height_(0),
       texture_state_(group_->feature_info()
                          ->workarounds()
                          .texsubimage2d_faster_than_teximage2d),
       validation_texture_(0),
       validation_fbo_multisample_(0),
       validation_fbo_(0) {
@@ skipping 53 matching lines @@
 
   // Take ownership of the context and surface. The surface can be replaced with
   // SetSurface.
   context_ = context;
   surface_ = surface;
 
   ContextCreationAttribHelper attrib_parser;
   if (!attrib_parser.Parse(attribs))
     return false;
 
+  // Save the loseContextWhenOutOfMemory context creation attribute.
+  lose_context_when_out_of_memory_ =
+      attrib_parser.lose_context_when_out_of_memory_;
+
   // If the failIfMajorPerformanceCaveat context creation attribute was true
   // and we are using a software renderer, fail.
   if (attrib_parser.fail_if_major_perf_caveat_ &&
       feature_info_->feature_flags().is_swiftshader) {
     group_ = NULL;  // Must not destroy ContextGroup if it is not initialized.
     Destroy(true);
     return false;
   }
 
   if (!group_->Initialize(this, disallowed_features)) {
@@ skipping 8254 matching lines @@
   ProcessFinishedAsyncTransfers();
   return error::kNoError;
 }
 
 void GLES2DecoderImpl::OnTextureRefDetachedFromFramebuffer(
     TextureRef* texture_ref) {
   Texture* texture = texture_ref->texture();
   DoDidUseTexImageIfNeeded(texture, texture->target());
 }
 
+void GLES2DecoderImpl::OnOutOfMemoryError() {
+  if (lose_context_when_out_of_memory_) {
+    group_->LoseContexts(GL_UNKNOWN_CONTEXT_RESET_ARB);
+    LoseContext(GL_GUILTY_CONTEXT_RESET_ARB);
+  }
+}
+
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu