| // Copyright 2014 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 <utility> |
| |
| #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_embedder/compositor_overlay_candidate_validator.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 "gpu/command_buffer/client/context_support.h" |
| #include "gpu/command_buffer/client/gles2_interface.h" |
| #include "gpu/command_buffer/common/swap_buffers_complete_params.h" |
| #include "gpu/command_buffer/common/swap_buffers_flags.h" |
| #include "gpu/ipc/client/command_buffer_proxy_impl.h" |
| #include "services/ws/public/cpp/gpu/context_provider_command_buffer.h" |
| #include "ui/gl/gl_utils.h" |
| |
| namespace content { |
| |
| GpuBrowserCompositorOutputSurface::GpuBrowserCompositorOutputSurface( |
| scoped_refptr<ws::ContextProviderCommandBuffer> context, |
| const UpdateVSyncParametersCallback& update_vsync_parameters_callback, |
| std::unique_ptr<viz::CompositorOverlayCandidateValidator> |
| overlay_candidate_validator) |
| : BrowserCompositorOutputSurface(std::move(context), |
| update_vsync_parameters_callback, |
| std::move(overlay_candidate_validator)), |
| weak_ptr_factory_(this) { |
| if (capabilities_.uses_default_gl_framebuffer) { |
| capabilities_.flipped_output_surface = |
| context_provider()->ContextCapabilities().flips_vertically; |
| } |
| capabilities_.supports_stencil = |
| context_provider()->ContextCapabilities().num_stencil_bits > 0; |
| // Since one of the buffers is used by the surface for presentation, there can |
| // be at most |num_surface_buffers - 1| pending buffers that the compositor |
| // can use. |
| capabilities_.max_frames_pending = |
| context_provider()->ContextCapabilities().num_surface_buffers - 1; |
| } |
| |
| GpuBrowserCompositorOutputSurface::~GpuBrowserCompositorOutputSurface() = |
| default; |
| |
| void GpuBrowserCompositorOutputSurface::OnGpuSwapBuffersCompleted( |
| std::vector<ui::LatencyInfo> latency_info, |
| const gpu::SwapBuffersCompleteParams& params) { |
| if (!params.ca_layer_params.is_empty) |
| client_->DidReceiveCALayerParams(params.ca_layer_params); |
| if (!params.texture_in_use_responses.empty()) |
| client_->DidReceiveTextureInUseResponses(params.texture_in_use_responses); |
| client_->DidReceiveSwapBuffersAck(); |
| UpdateLatencyInfoOnSwap(params.swap_response, &latency_info); |
| latency_tracker_.OnGpuSwapBuffersCompleted(latency_info); |
| } |
| |
| void GpuBrowserCompositorOutputSurface::OnReflectorChanged() { |
| if (!reflector_) { |
| reflector_texture_.reset(); |
| } else { |
| reflector_texture_.reset(new ReflectorTexture(context_provider())); |
| reflector_->OnSourceTextureMailboxUpdated(reflector_texture_->mailbox()); |
| } |
| reflector_texture_defined_ = false; |
| } |
| |
| void GpuBrowserCompositorOutputSurface::BindToClient( |
| viz::OutputSurfaceClient* client) { |
| DCHECK(client); |
| DCHECK(!client_); |
| client_ = client; |
| |
| GetCommandBufferProxy()->SetUpdateVSyncParametersCallback(base::BindRepeating( |
| &GpuBrowserCompositorOutputSurface::OnUpdateVSyncParameters, |
| weak_ptr_factory_.GetWeakPtr())); |
| } |
| |
| void GpuBrowserCompositorOutputSurface::EnsureBackbuffer() {} |
| |
| void GpuBrowserCompositorOutputSurface::DiscardBackbuffer() { |
| context_provider()->ContextGL()->DiscardBackbufferCHROMIUM(); |
| } |
| |
| void GpuBrowserCompositorOutputSurface::BindFramebuffer() { |
| context_provider()->ContextGL()->BindFramebuffer(GL_FRAMEBUFFER, 0); |
| } |
| |
| void GpuBrowserCompositorOutputSurface::Reshape( |
| const gfx::Size& size, |
| float device_scale_factor, |
| const gfx::ColorSpace& color_space, |
| bool has_alpha, |
| bool use_stencil) { |
| size_ = size; |
| has_set_draw_rectangle_since_last_resize_ = false; |
| context_provider()->ContextGL()->ResizeCHROMIUM( |
| size.width(), size.height(), device_scale_factor, |
| gl::GetGLColorSpace(color_space), has_alpha); |
| } |
| |
| void GpuBrowserCompositorOutputSurface::SwapBuffers( |
| viz::OutputSurfaceFrame frame) { |
| gfx::Size surface_size = frame.size; |
| if (reflector_) { |
| if (frame.sub_buffer_rect && reflector_texture_defined_) { |
| reflector_texture_->CopyTextureSubImage(*frame.sub_buffer_rect); |
| reflector_->OnSourcePostSubBuffer(*frame.sub_buffer_rect, surface_size); |
| } else { |
| reflector_texture_->CopyTextureFullImage(surface_size); |
| reflector_->OnSourceSwapBuffers(surface_size); |
| reflector_texture_defined_ = true; |
| } |
| } |
| |
| set_draw_rectangle_for_frame_ = false; |
| |
| auto swap_callback = base::BindOnce( |
| &GpuBrowserCompositorOutputSurface::OnGpuSwapBuffersCompleted, |
| weak_ptr_factory_.GetWeakPtr(), std::move(frame.latency_info)); |
| uint32_t flags = gpu::SwapBuffersFlags::kVSyncParams; |
| gpu::ContextSupport::PresentationCallback presentation_callback; |
| presentation_callback = |
| base::BindOnce(&GpuBrowserCompositorOutputSurface::OnPresentation, |
| weak_ptr_factory_.GetWeakPtr()); |
| if (frame.sub_buffer_rect) { |
| DCHECK(frame.content_bounds.empty()); |
| context_provider_->ContextSupport()->PartialSwapBuffers( |
| *frame.sub_buffer_rect, flags, std::move(swap_callback), |
| std::move(presentation_callback)); |
| } else if (!frame.content_bounds.empty()) { |
| context_provider_->ContextSupport()->SwapWithBounds( |
| frame.content_bounds, flags, std::move(swap_callback), |
| std::move(presentation_callback)); |
| } else { |
| context_provider_->ContextSupport()->Swap(flags, std::move(swap_callback), |
| std::move(presentation_callback)); |
| } |
| } |
| |
| uint32_t GpuBrowserCompositorOutputSurface::GetFramebufferCopyTextureFormat() { |
| auto* gl = static_cast<ws::ContextProviderCommandBuffer*>(context_provider()); |
| return gl->GetCopyTextureInternalFormat(); |
| } |
| |
| bool GpuBrowserCompositorOutputSurface::IsDisplayedAsOverlayPlane() const { |
| return false; |
| } |
| |
| unsigned GpuBrowserCompositorOutputSurface::GetOverlayTextureId() const { |
| return 0; |
| } |
| |
| gfx::BufferFormat GpuBrowserCompositorOutputSurface::GetOverlayBufferFormat() |
| const { |
| return gfx::BufferFormat::RGBX_8888; |
| } |
| |
| void GpuBrowserCompositorOutputSurface::SetDrawRectangle( |
| const gfx::Rect& rect) { |
| if (set_draw_rectangle_for_frame_) |
| return; |
| DCHECK(gfx::Rect(size_).Contains(rect)); |
| DCHECK(has_set_draw_rectangle_since_last_resize_ || |
| (gfx::Rect(size_) == rect)); |
| set_draw_rectangle_for_frame_ = true; |
| has_set_draw_rectangle_since_last_resize_ = true; |
| context_provider()->ContextGL()->SetDrawRectangleCHROMIUM( |
| rect.x(), rect.y(), rect.width(), rect.height()); |
| } |
| |
| void GpuBrowserCompositorOutputSurface::OnPresentation( |
| const gfx::PresentationFeedback& feedback) { |
| DCHECK(client_); |
| client_->DidReceivePresentationFeedback(feedback); |
| } |
| |
| void GpuBrowserCompositorOutputSurface::OnUpdateVSyncParameters( |
| base::TimeTicks timebase, |
| base::TimeDelta interval) { |
| if (update_vsync_parameters_callback_) |
| update_vsync_parameters_callback_.Run(timebase, interval); |
| } |
| |
| gpu::CommandBufferProxyImpl* |
| GpuBrowserCompositorOutputSurface::GetCommandBufferProxy() { |
| ws::ContextProviderCommandBuffer* provider_command_buffer = |
| static_cast<ws::ContextProviderCommandBuffer*>(context_provider_.get()); |
| gpu::CommandBufferProxyImpl* command_buffer_proxy = |
| provider_command_buffer->GetCommandBufferProxy(); |
| DCHECK(command_buffer_proxy); |
| return command_buffer_proxy; |
| } |
| |
| #if BUILDFLAG(ENABLE_VULKAN) |
| gpu::VulkanSurface* GpuBrowserCompositorOutputSurface::GetVulkanSurface() { |
| NOTIMPLEMENTED(); |
| return nullptr; |
| } |
| #endif |
| |
| unsigned GpuBrowserCompositorOutputSurface::UpdateGpuFence() { |
| return 0; |
| } |
| |
| } // namespace content |