Implement TransformFeedbackManager in GPU command buffer.

gpu/command_buffer/service/context_group.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/context_group.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <string>
 
 #include "base/command_line.h"
 #include "gpu/command_buffer/service/buffer_manager.h"
 #include "gpu/command_buffer/service/framebuffer_manager.h"
 #include "gpu/command_buffer/service/gpu_preferences.h"
 #include "gpu/command_buffer/service/mailbox_manager_impl.h"
 #include "gpu/command_buffer/service/path_manager.h"
 #include "gpu/command_buffer/service/program_manager.h"
 #include "gpu/command_buffer/service/renderbuffer_manager.h"
 #include "gpu/command_buffer/service/sampler_manager.h"
 #include "gpu/command_buffer/service/shader_manager.h"
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "gpu/command_buffer/service/transfer_buffer_manager.h"
+#include "gpu/command_buffer/service/transform_feedback_manager.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_version_info.h"
 
 namespace gpu {
 namespace gles2 {
 
 namespace {
 
 void GetIntegerv(GLenum pname, uint32_t* var) {
   GLint value = 0;
@@ skipping 164 matching lines @@
   buffer_manager_.reset(
       new BufferManager(memory_tracker_.get(), feature_info_.get()));
   framebuffer_manager_.reset(new FramebufferManager(
       max_draw_buffers_, max_color_attachments_, feature_info_->context_type(),
       framebuffer_completeness_cache_));
   renderbuffer_manager_.reset(new RenderbufferManager(
       memory_tracker_.get(), max_renderbuffer_size, max_samples,
       feature_info_.get()));
   shader_manager_.reset(new ShaderManager());
   sampler_manager_.reset(new SamplerManager(feature_info_.get()));
+  transform_feedback_manager_.reset(new TransformFeedbackManager(
+      max_transform_feedback_separate_attribs_));
 
   // Lookup GL things we need to know.
   const GLint kGLES2RequiredMinimumVertexAttribs = 8u;
   if (!QueryGLFeatureU(
       GL_MAX_VERTEX_ATTRIBS, kGLES2RequiredMinimumVertexAttribs,
       &max_vertex_attribs_)) {
     LOG(ERROR) << "ContextGroup::Initialize failed because too few "
                << "vertex attributes supported (" << max_vertex_attribs_
                << ", should be " << kGLES2RequiredMinimumVertexAttribs << ").";
     return false;
@@ skipping 286 matching lines @@
   if (shader_manager_ != NULL) {
     shader_manager_->Destroy(have_context);
     shader_manager_.reset();
   }
 
   if (sampler_manager_ != NULL) {
     sampler_manager_->Destroy(have_context);
     sampler_manager_.reset();
   }
 
+  if (transform_feedback_manager_ != NULL) {
+    transform_feedback_manager_->Destroy(have_context);
+    transform_feedback_manager_.reset();
+  }
+
   memory_tracker_ = NULL;
 }
 
 uint32_t ContextGroup::GetMemRepresented() const {
   uint32_t total = 0;
   if (buffer_manager_.get())
     total += buffer_manager_->mem_represented();
   if (renderbuffer_manager_.get())
     total += renderbuffer_manager_->mem_represented();
   if (texture_manager_.get())
@@ skipping 53 matching lines @@
     GLuint client_id, GLuint* service_id) const {
   Buffer* buffer = buffer_manager_->GetBuffer(client_id);
   if (!buffer)
     return false;
   *service_id = buffer->service_id();
   return true;
 }
 
 }  // namespace gles2
 }  // namespace gpu