command_buffer: Implement path rendering functions for CHROMIUM_path_rendering

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 <algorithm>
 #include <string>
 
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
 #include "base/sys_info.h"
 #include "gpu/command_buffer/common/id_allocator.h"
 #include "gpu/command_buffer/service/buffer_manager.h"
 #include "gpu/command_buffer/service/framebuffer_manager.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
 #include "gpu/command_buffer/service/image_manager.h"
 #include "gpu/command_buffer/service/mailbox_manager.h"
 #include "gpu/command_buffer/service/memory_tracking.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/shader_manager.h"
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "gpu/command_buffer/service/transfer_buffer_manager.h"
 #include "ui/gl/gl_implementation.h"
 
 namespace gpu {
 namespace gles2 {
 
@@ skipping 30 matching lines @@
   }
 
   id_namespaces_[id_namespaces::kBuffers].reset(new IdAllocator);
   id_namespaces_[id_namespaces::kFramebuffers].reset(new IdAllocator);
   id_namespaces_[id_namespaces::kProgramsAndShaders].reset(
       new NonReusedIdAllocator);
   id_namespaces_[id_namespaces::kRenderbuffers].reset(new IdAllocator);
   id_namespaces_[id_namespaces::kTextures].reset(new IdAllocator);
   id_namespaces_[id_namespaces::kQueries].reset(new IdAllocator);
   id_namespaces_[id_namespaces::kVertexArrays].reset(new IdAllocator);
+  id_namespaces_[id_namespaces::kPaths].reset(new NonReusedIdAllocator);
 }
 
 static void GetIntegerv(GLenum pname, uint32* var) {
   GLint value = 0;
   glGetIntegerv(pname, &value);
   *var = value;
 }
 
 bool ContextGroup::Initialize(
     GLES2Decoder* decoder,
@@ skipping 155 matching lines @@
         max_varying_vectors_,
         static_cast<uint32>(feature_info_->workarounds().max_varying_vectors));
   }
   if (feature_info_->workarounds().max_vertex_uniform_vectors) {
     max_vertex_uniform_vectors_ =
         std::min(max_vertex_uniform_vectors_,
                  static_cast<uint32>(
                      feature_info_->workarounds().max_vertex_uniform_vectors));
   }
 
+  path_manager_.reset(new PathManager());
+
   program_manager_.reset(new ProgramManager(
       program_cache_, max_varying_vectors_));
 
   if (!texture_manager_->Initialize()) {
     LOG(ERROR) << "Context::Group::Initialize failed because texture manager "
                << "failed to initialize.";
     return false;
   }
 
   decoders_.push_back(base::AsWeakPtr<GLES2Decoder>(decoder));
@@ skipping 51 matching lines @@
   if (renderbuffer_manager_ != NULL) {
     renderbuffer_manager_->Destroy(have_context);
     renderbuffer_manager_.reset();
   }
 
   if (texture_manager_ != NULL) {
     texture_manager_->Destroy(have_context);
     texture_manager_.reset();
   }
 
+  if (path_manager_ != NULL) {
+    path_manager_->Destroy(have_context);
+    path_manager_.reset();
+  }
+
   if (program_manager_ != NULL) {
     program_manager_->Destroy(have_context);
     program_manager_.reset();
   }
 
   if (shader_manager_ != NULL) {
     shader_manager_->Destroy(have_context);
     shader_manager_.reset();
   }
 
@@ skipping 60 matching lines @@
     GLenum pname, GLint min_required, uint32* v) {
   uint32 value = 0;
   GetIntegerv(pname, &value);
   bool result = CheckGLFeatureU(min_required, &value);
   *v = value;
   return result;
 }
 
 }  // namespace gles2
 }  // namespace gpu