Virtual GL

gpu/command_buffer/tests/gl_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/tests/gl_manager.h"
 
 #include <vector>
 
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "gpu/command_buffer/client/gles2_lib.h"
 #include "gpu/command_buffer/client/transfer_buffer.h"
 #include "gpu/command_buffer/common/constants.h"
 #include "gpu/command_buffer/service/command_buffer_service.h"
 #include "gpu/command_buffer/service/context_group.h"
+#include "gpu/command_buffer/service/gl_context_virtual.h"
 #include "gpu/command_buffer/service/gpu_scheduler.h"
 #include "gpu/command_buffer/service/mailbox_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_share_group.h"
 #include "ui/gl/gl_surface.h"
 
 namespace gpu {
 
 GLManager::GLManager() {
 }
 
 GLManager::~GLManager() {
 }
 
 void GLManager::Initialize(const gfx::Size& size) {
-  Setup(size, NULL, NULL, NULL, NULL);
+  Setup(size, NULL, NULL, NULL, NULL, NULL);
 }
 
 void GLManager::InitializeShared(
     const gfx::Size& size, GLManager* gl_manager) {
   DCHECK(gl_manager);
   Setup(
       size,
       gl_manager->mailbox_manager(),
       gl_manager->share_group(),
       gl_manager->decoder_->GetContextGroup(),
-      gl_manager->gles2_implementation()->share_group());
+      gl_manager->gles2_implementation()->share_group(),
+      NULL);
 }
 
 void GLManager::InitializeSharedMailbox(
      const gfx::Size& size, GLManager* gl_manager) {
   DCHECK(gl_manager);
   Setup(
       size,
       gl_manager->mailbox_manager(),
       gl_manager->share_group(),
       NULL,
+      NULL,
       NULL);
 }
 
+void GLManager::InitializeVirtual(
+    const gfx::Size& size, GLManager* real_gl_manager) {
+  DCHECK(real_gl_manager);
+  Setup(
+      size,
+      NULL,
+      NULL,
+      NULL,
+      NULL,
+      real_gl_manager->context());
+}
+
 void GLManager::Setup(
     const gfx::Size& size,
     gles2::MailboxManager* mailbox_manager,
     gfx::GLShareGroup* share_group,
     gles2::ContextGroup* context_group,
-    gles2::ShareGroup* client_share_group) {
+    gles2::ShareGroup* client_share_group,
+    gfx::GLContext* real_gl_context) {
   const int32 kCommandBufferSize = 1024 * 1024;
   const size_t kStartTransferBufferSize = 4 * 1024 * 1024;
   const size_t kMinTransferBufferSize = 1 * 256 * 1024;
   const size_t kMaxTransferBufferSize = 16 * 1024 * 1024;
   const bool kBindGeneratesResource = false;
   const bool kShareResources = true;
 
   // From <EGL/egl.h>.
   const int32 EGL_ALPHA_SIZE = 0x3021;
   const int32 EGL_BLUE_SIZE = 0x3022;
@@ skipping 38 matching lines @@
 
   gpu_scheduler_.reset(new GpuScheduler(command_buffer_.get(),
                                         decoder_.get(),
                                         decoder_.get()));
 
   decoder_->set_engine(gpu_scheduler_.get());
 
   surface_ = gfx::GLSurface::CreateOffscreenGLSurface(false, size);
   ASSERT_TRUE(surface_.get() != NULL) << "could not create offscreen surface";
 
-  context_ = gfx::GLContext::CreateGLContext(share_group_.get(),
-                                             surface_.get(),
-                                             gpu_preference);
+  if (real_gl_context) {
+    context_ = scoped_refptr<gfx::GLContext>(new gpu::GLContextVirtual(
+        share_group_.get(), real_gl_context, decoder_.get()));
+    ASSERT_TRUE(context_->Initialize(
+        surface_.get(), gfx::PreferIntegratedGpu));
+  } else {
+    context_ = gfx::GLContext::CreateGLContext(share_group_.get(),
+                                               surface_.get(),
+                                               gpu_preference);
+  }
   ASSERT_TRUE(context_.get() != NULL) << "could not create GL context";
 
   ASSERT_TRUE(context_->MakeCurrent(surface_.get()));
 
   ASSERT_TRUE(decoder_->Initialize(
       surface_.get(),
       context_.get(),
       true,
       size,
       ::gpu::gles2::DisallowedFeatures(),
@@ skipping 54 matching lines @@
   ::gpu::CommandBuffer::State state = command_buffer_->GetState();
   ASSERT_EQ(::gpu::error::kNoError, state.error);
 }
 
 bool GLManager::GetBufferChanged(int32 transfer_buffer_id) {
   return gpu_scheduler_->SetGetBuffer(transfer_buffer_id);
 }
 
 }  // namespace gpu