mus+ash: Enable Chrome HW rendering in mus+ash

content/browser/compositor/mus_browser_compositor_output_surface.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2016 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 "content/browser/compositor/gpu_browser_compositor_output_surface.h"
+#include "content/browser/compositor/mus_browser_compositor_output_surface.h"
 
 #include <utility>
 
 #include "build/build_config.h"
 #include "cc/output/compositor_frame.h"
+#include "cc/output/compositor_frame_ack.h"
 #include "cc/output/output_surface_client.h"
 #include "components/display_compositor/compositor_overlay_candidate_validator.h"
+#include "components/mus/common/gpu_service.h"
+#include "components/mus/public/cpp/surfaces/surfaces_type_converters.h"
+#include "components/mus/public/cpp/window.h"
+#include "components/mus/public/cpp/window_surface.h"
 #include "content/browser/compositor/reflector_impl.h"
 #include "content/browser/compositor/reflector_texture.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "gpu/command_buffer/client/context_support.h"
 #include "gpu/ipc/client/command_buffer_proxy_impl.h"
+#include "ui/views/mus/native_widget_mus.h"
+#include "ui/views/mus/window_tree_host_mus.h"
 
 namespace content {
 
-GpuBrowserCompositorOutputSurface::GpuBrowserCompositorOutputSurface(
+MusBrowserCompositorOutputSurface::MusBrowserCompositorOutputSurface(
+    gpu::SurfaceHandle surface_handle,
     scoped_refptr<ContextProviderCommandBuffer> context,
     scoped_refptr<ui::CompositorVSyncManager> vsync_manager,
     cc::SyntheticBeginFrameSource* begin_frame_source,
     std::unique_ptr<display_compositor::CompositorOverlayCandidateValidator>
         overlay_candidate_validator)
     : BrowserCompositorOutputSurface(std::move(context),
                                      std::move(vsync_manager),
                                      begin_frame_source,
                                      std::move(overlay_candidate_validator)),
       swap_buffers_completion_callback_(base::Bind(
-          &GpuBrowserCompositorOutputSurface::OnGpuSwapBuffersCompleted,
+          &MusBrowserCompositorOutputSurface::OnGpuSwapBuffersCompleted,
           base::Unretained(this))),
       update_vsync_parameters_callback_(base::Bind(
           &BrowserCompositorOutputSurface::OnUpdateVSyncParametersFromGpu,
-          base::Unretained(this))) {}
-
-GpuBrowserCompositorOutputSurface::~GpuBrowserCompositorOutputSurface() {}
-
-gpu::CommandBufferProxyImpl*
-GpuBrowserCompositorOutputSurface::GetCommandBufferProxy() {
-  ContextProviderCommandBuffer* provider_command_buffer =
-      static_cast<content::ContextProviderCommandBuffer*>(
-          context_provider_.get());
-  gpu::CommandBufferProxyImpl* command_buffer_proxy =
-      provider_command_buffer->GetCommandBufferProxy();
-  DCHECK(command_buffer_proxy);
-  return command_buffer_proxy;
+          base::Unretained(this))) {
+  capabilities_.delegated_rendering = true;
+  views::WindowTreeHostMus* window_tree_host =
+      static_cast<views::WindowTreeHostMus*>(
+          aura::WindowTreeHost::GetForAcceleratedWidget(surface_handle));
+  mus::Window* window = window_tree_host->native_widget()->window();
+  mus_window_surface_ =
+      window->RequestSurface(mus::mojom::SurfaceType::DEFAULT);
 }
 
-bool GpuBrowserCompositorOutputSurface::BindToClient(
+MusBrowserCompositorOutputSurface::~MusBrowserCompositorOutputSurface() {}
+
+void MusBrowserCompositorOutputSurface::OnReflectorChanged() {
+  if (!reflector_) {
+    reflector_texture_.reset();
+  } else {
+    reflector_texture_.reset(new ReflectorTexture(context_provider()));
+    reflector_->OnSourceTextureMailboxUpdated(reflector_texture_->mailbox());
+  }
+}
+
+void MusBrowserCompositorOutputSurface::OnGpuSwapBuffersCompleted(
+    const std::vector<ui::LatencyInfo>& latency_info,
+    gfx::SwapResult result,
+    const gpu::GpuProcessHostedCALayerTreeParamsMac* params_mac) {
+  RenderWidgetHostImpl::CompositorFrameDrawn(latency_info);
+  OnSwapBuffersComplete();
+}
+
+#if defined(OS_MACOSX)
+void MusBrowserCompositorOutputSurface::SetSurfaceSuspendedForRecycle(
+    bool suspended) {}
+#endif
+
+void MusBrowserCompositorOutputSurface::SwapBuffers(cc::CompositorFrame frame) {
+  DCHECK(frame.delegated_frame_data);
+  GetCommandBufferProxy()->SetLatencyInfo(frame.metadata.latency_info);
+
+  // TODO(fsamuel, rjkroege): We should probably throttle compositor frames.
+  client_->DidSwapBuffers();
+
+  mus_window_surface_->SubmitCompositorFrame(
+      cc::mojom::CompositorFrame::From(frame),
+      base::Bind(&MusBrowserCompositorOutputSurface::OnGpuSwapBuffersCompleted,
+                 base::Unretained(this), std::vector<ui::LatencyInfo>(),
+                 gfx::SwapResult::SWAP_ACK, nullptr));
+  // TODO(penghuang): figure how to handle reflector.
+  return;
+}
+
+bool MusBrowserCompositorOutputSurface::BindToClient(
     cc::OutputSurfaceClient* client) {
+  mus_window_surface_->BindToThread();
+  mus_window_surface_->set_client(this);
+
   if (!BrowserCompositorOutputSurface::BindToClient(client))
     return false;
 
   GetCommandBufferProxy()->SetSwapBuffersCompletionCallback(
       swap_buffers_completion_callback_.callback());
   GetCommandBufferProxy()->SetUpdateVSyncParametersCallback(
       update_vsync_parameters_callback_.callback());
   if (capabilities_.uses_default_gl_framebuffer) {
     capabilities_.flipped_output_surface =
         context_provider()->ContextCapabilities().flips_vertically;
   }
   return true;
 }
 
-uint32_t GpuBrowserCompositorOutputSurface::GetFramebufferCopyTextureFormat() {
+uint32_t MusBrowserCompositorOutputSurface::GetFramebufferCopyTextureFormat() {
   auto* gl = static_cast<ContextProviderCommandBuffer*>(context_provider());
   return gl->GetCopyTextureInternalFormat();
 }
 
-void GpuBrowserCompositorOutputSurface::OnReflectorChanged() {
-  if (!reflector_) {
-    reflector_texture_.reset();
-  } else {
-    reflector_texture_.reset(new ReflectorTexture(context_provider()));
-    reflector_->OnSourceTextureMailboxUpdated(reflector_texture_->mailbox());
-  }
+void MusBrowserCompositorOutputSurface::OnResourcesReturned(
+    mus::WindowSurface* surface,
+    mojo::Array<cc::ReturnedResource> resources) {
+  cc::CompositorFrameAck cfa;
+  cfa.resources = resources.To<cc::ReturnedResourceArray>();
+  ReclaimResources(&cfa);
 }
 
-void GpuBrowserCompositorOutputSurface::SwapBuffers(cc::CompositorFrame frame) {
-  DCHECK(frame.gl_frame_data);
-
-  GetCommandBufferProxy()->SetLatencyInfo(frame.metadata.latency_info);
-
-  if (reflector_) {
-    if (frame.gl_frame_data->sub_buffer_rect ==
-        gfx::Rect(frame.gl_frame_data->size)) {
-      reflector_texture_->CopyTextureFullImage(SurfaceSize());
-      reflector_->OnSourceSwapBuffers();
-    } else {
-      const gfx::Rect& rect = frame.gl_frame_data->sub_buffer_rect;
-      reflector_texture_->CopyTextureSubImage(rect);
-      reflector_->OnSourcePostSubBuffer(rect);
-    }
-  }
-
-  if (frame.gl_frame_data->sub_buffer_rect ==
-      gfx::Rect(frame.gl_frame_data->size)) {
-    context_provider_->ContextSupport()->Swap();
-  } else {
-    context_provider_->ContextSupport()->PartialSwapBuffers(
-        frame.gl_frame_data->sub_buffer_rect);
-  }
-
-  client_->DidSwapBuffers();
+gpu::CommandBufferProxyImpl*
+MusBrowserCompositorOutputSurface::GetCommandBufferProxy() {
+  ContextProviderCommandBuffer* provider_command_buffer =
+      static_cast<content::ContextProviderCommandBuffer*>(
+          context_provider_.get());
+  gpu::CommandBufferProxyImpl* command_buffer_proxy =
+      provider_command_buffer->GetCommandBufferProxy();
+  DCHECK(command_buffer_proxy);
+  return command_buffer_proxy;
 }
 
-void GpuBrowserCompositorOutputSurface::OnGpuSwapBuffersCompleted(
-    const std::vector<ui::LatencyInfo>& latency_info,
-    gfx::SwapResult result,
-    const gpu::GpuProcessHostedCALayerTreeParamsMac* params_mac) {
-  RenderWidgetHostImpl::CompositorFrameDrawn(latency_info);
-  OnSwapBuffersComplete();
-}
-
-#if defined(OS_MACOSX)
-void GpuBrowserCompositorOutputSurface::SetSurfaceSuspendedForRecycle(
-    bool suspended) {}
-#endif
-
 }  // namespace content