#include "content/browser/compositor/onscreen_display_client.h"
+#include "base/debug/trace_event.h"
#include "cc/output/output_surface.h"
#include "cc/surfaces/surface_factory.h"
#include "cc/surfaces/surface_manager.h"
+#include "content/browser/compositor/surface_display_output_surface.h"
+#include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
#include "content/common/host_shared_bitmap_manager.h"
namespace content {
OnscreenDisplayClient::OnscreenDisplayClient(
- const scoped_refptr<cc::ContextProvider>& onscreen_context_provider,
- scoped_ptr<cc::OutputSurface> software_surface,
- cc::SurfaceManager* manager)
- : onscreen_context_provider_(onscreen_context_provider),
- software_surface_(software_surface.Pass()),
+ scoped_ptr<cc::OutputSurface> output_surface,
+ cc::SurfaceManager* manager,
+ scoped_refptr<base::SingleThreadTaskRunner> task_runner)
+ : output_surface_(output_surface.Pass()),
display_(new cc::Display(this,
manager,
- HostSharedBitmapManager::current())) {
+ HostSharedBitmapManager::current(),
+ BrowserGpuMemoryBufferManager::current())),
+ task_runner_(task_runner),
+ scheduled_draw_(false),
+ output_surface_lost_(false),
+ deferred_draw_(false),
+ pending_frames_(0),
+ weak_ptr_factory_(this) {
}
OnscreenDisplayClient::~OnscreenDisplayClient() {
}
-scoped_ptr<cc::OutputSurface> OnscreenDisplayClient::CreateOutputSurface() {
- if (!onscreen_context_provider_)
- return software_surface_.Pass();
- return make_scoped_ptr(new cc::OutputSurface(onscreen_context_provider_))
- .Pass();
+bool OnscreenDisplayClient::Initialize() {
+ return display_->Initialize(output_surface_.Pass());
+}
+
+void OnscreenDisplayClient::CommitVSyncParameters(base::TimeTicks timebase,
+ base::TimeDelta interval) {
+ surface_display_output_surface_->ReceivedVSyncParameters(timebase, interval);
+}
+
+void OnscreenDisplayClient::DisplayDamaged() {
+ if (scheduled_draw_ || deferred_draw_)
+ return;
+ TRACE_EVENT0("content", "OnscreenDisplayClient::DisplayDamaged");
+ if (pending_frames_ >= display_->GetMaxFramesPending()) {
+ deferred_draw_ = true;
+ } else {
+ ScheduleDraw();
+ }
+}
+
+void OnscreenDisplayClient::ScheduleDraw() {
+ DCHECK(!deferred_draw_);
+ DCHECK(!scheduled_draw_);
+ scheduled_draw_ = true;
+ task_runner_->PostTask(
+ FROM_HERE,
+ base::Bind(&OnscreenDisplayClient::Draw, weak_ptr_factory_.GetWeakPtr()));
+}
+
+void OnscreenDisplayClient::OutputSurfaceLost() {
+ output_surface_lost_ = true;
+ surface_display_output_surface_->DidLoseOutputSurface();
+}
+
+void OnscreenDisplayClient::Draw() {
+ TRACE_EVENT0("content", "OnscreenDisplayClient::Draw");
+ if (output_surface_lost_)
+ return;
+ scheduled_draw_ = false;
+ display_->Draw();
+}
+
+void OnscreenDisplayClient::DidSwapBuffers() {
+ pending_frames_++;
+}
+
+void OnscreenDisplayClient::DidSwapBuffersComplete() {
+ pending_frames_--;
+ if ((pending_frames_ < display_->GetMaxFramesPending()) && deferred_draw_) {
+ deferred_draw_ = false;
+ ScheduleDraw();
+ }
+}
+
+void OnscreenDisplayClient::SetMemoryPolicy(
+ const cc::ManagedMemoryPolicy& policy) {
+ surface_display_output_surface_->SetMemoryPolicy(policy);
}
} // namespace content