| // Copyright 2017 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 "components/viz/service/display_embedder/software_output_surface.h" |
| |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/location.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/time/time.h" |
| #include "build/build_config.h" |
| #include "components/viz/service/display/output_surface_client.h" |
| #include "components/viz/service/display/output_surface_frame.h" |
| #include "components/viz/service/display/software_output_device.h" |
| #include "ui/gfx/presentation_feedback.h" |
| #include "ui/gfx/vsync_provider.h" |
| #include "ui/latency/latency_info.h" |
| |
| namespace viz { |
| |
| SoftwareOutputSurface::SoftwareOutputSurface( |
| std::unique_ptr<SoftwareOutputDevice> software_device) |
| : OutputSurface(std::move(software_device)), weak_factory_(this) {} |
| |
| SoftwareOutputSurface::~SoftwareOutputSurface() = default; |
| |
| void SoftwareOutputSurface::BindToClient(OutputSurfaceClient* client) { |
| DCHECK(client); |
| DCHECK(!client_); |
| client_ = client; |
| } |
| |
| void SoftwareOutputSurface::EnsureBackbuffer() { |
| software_device()->EnsureBackbuffer(); |
| } |
| |
| void SoftwareOutputSurface::DiscardBackbuffer() { |
| software_device()->DiscardBackbuffer(); |
| } |
| |
| void SoftwareOutputSurface::BindFramebuffer() { |
| // Not used for software surfaces. |
| NOTREACHED(); |
| } |
| |
| void SoftwareOutputSurface::SetDrawRectangle(const gfx::Rect& draw_rectangle) { |
| NOTREACHED(); |
| } |
| |
| void SoftwareOutputSurface::Reshape(const gfx::Size& size, |
| float device_scale_factor, |
| const gfx::ColorSpace& color_space, |
| bool has_alpha, |
| bool use_stencil) { |
| software_device()->Resize(size, device_scale_factor); |
| } |
| |
| void SoftwareOutputSurface::SwapBuffers(OutputSurfaceFrame frame) { |
| DCHECK(client_); |
| base::TimeTicks swap_time = base::TimeTicks::Now(); |
| for (auto& latency : frame.latency_info) { |
| latency.AddLatencyNumberWithTimestamp( |
| ui::INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT, swap_time, 1); |
| latency.AddLatencyNumberWithTimestamp( |
| ui::INPUT_EVENT_LATENCY_FRAME_SWAP_COMPONENT, swap_time, 1); |
| } |
| |
| DCHECK(stored_latency_info_.empty()) |
| << "A second frame is not expected to " |
| << "arrive before the previous latency info is processed."; |
| stored_latency_info_ = std::move(frame.latency_info); |
| |
| // TODO(danakj): Update vsync params. |
| // gfx::VSyncProvider* vsync_provider = software_device()->GetVSyncProvider(); |
| // if (vsync_provider) |
| // vsync_provider->GetVSyncParameters(update_vsync_parameters_callback_); |
| // Update refresh_interval_ as well. |
| |
| software_device()->OnSwapBuffers(base::BindOnce( |
| &SoftwareOutputSurface::SwapBuffersCallback, weak_factory_.GetWeakPtr())); |
| } |
| |
| bool SoftwareOutputSurface::IsDisplayedAsOverlayPlane() const { |
| return false; |
| } |
| |
| OverlayCandidateValidator* SoftwareOutputSurface::GetOverlayCandidateValidator() |
| const { |
| // No overlay support in software compositing. |
| return nullptr; |
| } |
| |
| unsigned SoftwareOutputSurface::GetOverlayTextureId() const { |
| return 0; |
| } |
| |
| gfx::BufferFormat SoftwareOutputSurface::GetOverlayBufferFormat() const { |
| return gfx::BufferFormat::RGBX_8888; |
| } |
| |
| bool SoftwareOutputSurface::HasExternalStencilTest() const { |
| return false; |
| } |
| |
| void SoftwareOutputSurface::ApplyExternalStencil() {} |
| |
| uint32_t SoftwareOutputSurface::GetFramebufferCopyTextureFormat() { |
| // Not used for software surfaces. |
| NOTREACHED(); |
| return 0; |
| } |
| |
| void SoftwareOutputSurface::SwapBuffersCallback() { |
| latency_tracker_.OnGpuSwapBuffersCompleted(stored_latency_info_); |
| client_->DidFinishLatencyInfo(stored_latency_info_); |
| std::vector<ui::LatencyInfo>().swap(stored_latency_info_); |
| client_->DidReceiveSwapBuffersAck(); |
| client_->DidReceivePresentationFeedback( |
| gfx::PresentationFeedback(base::TimeTicks::Now(), refresh_interval_, 0u)); |
| } |
| |
| #if BUILDFLAG(ENABLE_VULKAN) |
| gpu::VulkanSurface* SoftwareOutputSurface::GetVulkanSurface() { |
| NOTIMPLEMENTED(); |
| return nullptr; |
| } |
| #endif |
| |
| unsigned SoftwareOutputSurface::UpdateGpuFence() { |
| return 0; |
| } |
| |
| } // namespace viz |