Add ICU message format support
[chromium-blink-merge.git] / content / browser / compositor / gpu_browser_compositor_output_surface.cc
blob81da36dc9fdea5a224867ea4be8187271b661436
1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "content/browser/compositor/gpu_browser_compositor_output_surface.h"
7 #include "cc/output/compositor_frame.h"
8 #include "cc/output/output_surface_client.h"
9 #include "content/browser/compositor/browser_compositor_overlay_candidate_validator.h"
10 #include "content/browser/compositor/reflector_impl.h"
11 #include "content/browser/compositor/reflector_texture.h"
12 #include "content/browser/renderer_host/render_widget_host_impl.h"
13 #include "content/common/gpu/client/context_provider_command_buffer.h"
14 #include "gpu/command_buffer/client/context_support.h"
16 namespace content {
18 GpuBrowserCompositorOutputSurface::GpuBrowserCompositorOutputSurface(
19 const scoped_refptr<ContextProviderCommandBuffer>& context,
20 const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
21 scoped_ptr<BrowserCompositorOverlayCandidateValidator>
22 overlay_candidate_validator)
23 : BrowserCompositorOutputSurface(context,
24 vsync_manager,
25 overlay_candidate_validator.Pass()),
26 #if defined(OS_MACOSX)
27 should_show_frames_state_(SHOULD_SHOW_FRAMES),
28 #endif
29 swap_buffers_completion_callback_(
30 base::Bind(&GpuBrowserCompositorOutputSurface::OnSwapBuffersCompleted,
31 base::Unretained(this))),
32 update_vsync_parameters_callback_(base::Bind(
33 &BrowserCompositorOutputSurface::OnUpdateVSyncParametersFromGpu,
34 base::Unretained(this))) {
37 GpuBrowserCompositorOutputSurface::~GpuBrowserCompositorOutputSurface() {}
39 CommandBufferProxyImpl*
40 GpuBrowserCompositorOutputSurface::GetCommandBufferProxy() {
41 ContextProviderCommandBuffer* provider_command_buffer =
42 static_cast<content::ContextProviderCommandBuffer*>(
43 context_provider_.get());
44 CommandBufferProxyImpl* command_buffer_proxy =
45 provider_command_buffer->GetCommandBufferProxy();
46 DCHECK(command_buffer_proxy);
47 return command_buffer_proxy;
50 bool GpuBrowserCompositorOutputSurface::BindToClient(
51 cc::OutputSurfaceClient* client) {
52 if (!BrowserCompositorOutputSurface::BindToClient(client))
53 return false;
55 GetCommandBufferProxy()->SetSwapBuffersCompletionCallback(
56 swap_buffers_completion_callback_.callback());
57 GetCommandBufferProxy()->SetUpdateVSyncParametersCallback(
58 update_vsync_parameters_callback_.callback());
59 return true;
62 void GpuBrowserCompositorOutputSurface::OnReflectorChanged() {
63 if (!reflector_) {
64 reflector_texture_.reset();
65 } else {
66 reflector_texture_.reset(new ReflectorTexture(context_provider()));
67 reflector_->OnSourceTextureMailboxUpdated(reflector_texture_->mailbox());
71 void GpuBrowserCompositorOutputSurface::SwapBuffers(
72 cc::CompositorFrame* frame) {
73 DCHECK(frame->gl_frame_data);
75 GetCommandBufferProxy()->SetLatencyInfo(frame->metadata.latency_info);
77 if (reflector_) {
78 if (frame->gl_frame_data->sub_buffer_rect ==
79 gfx::Rect(frame->gl_frame_data->size)) {
80 reflector_texture_->CopyTextureFullImage(SurfaceSize());
81 reflector_->OnSourceSwapBuffers();
82 } else {
83 const gfx::Rect& rect = frame->gl_frame_data->sub_buffer_rect;
84 reflector_texture_->CopyTextureSubImage(rect);
85 reflector_->OnSourcePostSubBuffer(rect);
89 if (frame->gl_frame_data->sub_buffer_rect ==
90 gfx::Rect(frame->gl_frame_data->size)) {
91 context_provider_->ContextSupport()->Swap();
92 } else {
93 context_provider_->ContextSupport()->PartialSwapBuffers(
94 frame->gl_frame_data->sub_buffer_rect);
97 client_->DidSwapBuffers();
99 #if defined(OS_MACOSX)
100 if (should_show_frames_state_ ==
101 SHOULD_NOT_SHOW_FRAMES_NO_SWAP_AFTER_SUSPENDED) {
102 should_show_frames_state_ = SHOULD_SHOW_FRAMES;
104 #endif
107 void GpuBrowserCompositorOutputSurface::OnSwapBuffersCompleted(
108 const std::vector<ui::LatencyInfo>& latency_info,
109 gfx::SwapResult result) {
110 #if defined(OS_MACOSX)
111 // On Mac, delay acknowledging the swap to the output surface client until
112 // it has been drawn, see OnSurfaceDisplayed();
113 NOTREACHED();
114 #else
115 RenderWidgetHostImpl::CompositorFrameDrawn(latency_info);
116 OnSwapBuffersComplete();
117 #endif
120 #if defined(OS_MACOSX)
121 void GpuBrowserCompositorOutputSurface::OnSurfaceDisplayed() {
122 cc::OutputSurface::OnSwapBuffersComplete();
125 void GpuBrowserCompositorOutputSurface::SetSurfaceSuspendedForRecycle(
126 bool suspended) {
127 if (suspended) {
128 // It may be that there are frames in-flight from the GPU process back to
129 // the browser. Make sure that these frames are not displayed by ignoring
130 // them in GpuProcessHostUIShim, until the browser issues a SwapBuffers for
131 // the new content.
132 should_show_frames_state_ = SHOULD_NOT_SHOW_FRAMES_SUSPENDED;
133 } else {
134 // Discard the backbuffer before drawing the new frame. This is necessary
135 // only when using a ImageTransportSurfaceFBO with a
136 // CALayerStorageProvider. Discarding the backbuffer results in the next
137 // frame using a new CALayer and CAContext, which guarantees that the
138 // browser will not flash stale content when adding the remote CALayer to
139 // the NSView hierarchy (it could flash stale content because the system
140 // window server is not synchronized with any signals we control or
141 // observe).
142 if (should_show_frames_state_ == SHOULD_NOT_SHOW_FRAMES_SUSPENDED) {
143 DiscardBackbuffer();
144 should_show_frames_state_ =
145 SHOULD_NOT_SHOW_FRAMES_NO_SWAP_AFTER_SUSPENDED;
150 bool GpuBrowserCompositorOutputSurface::
151 SurfaceShouldNotShowFramesAfterSuspendForRecycle() const {
152 return should_show_frames_state_ != SHOULD_SHOW_FRAMES;
154 #endif
156 bool GpuBrowserCompositorOutputSurface::SurfaceIsSuspendForRecycle() const {
157 #if defined(OS_MACOSX)
158 return should_show_frames_state_ == SHOULD_NOT_SHOW_FRAMES_SUSPENDED;
159 #else
160 return false;
161 #endif
164 } // namespace content