| // Copyright 2012 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 "cc/output/delegating_renderer.h" |
| |
| #include <set> |
| #include <string> |
| #include <vector> |
| |
| #include "base/memory/ptr_util.h" |
| #include "base/trace_event/trace_event.h" |
| #include "cc/output/context_provider.h" |
| #include "cc/quads/draw_quad.h" |
| #include "cc/quads/render_pass.h" |
| #include "cc/resources/resource_provider.h" |
| #include "gpu/command_buffer/client/context_support.h" |
| #include "gpu/command_buffer/client/gles2_interface.h" |
| |
| |
| namespace cc { |
| |
| DelegatingRenderer::DelegatingRenderer(OutputSurface* output_surface, |
| ResourceProvider* resource_provider) |
| : output_surface_(output_surface), resource_provider_(resource_provider) { |
| DCHECK(resource_provider_); |
| } |
| |
| DelegatingRenderer::~DelegatingRenderer() = default; |
| |
| void DelegatingRenderer::DrawFrame( |
| RenderPassList* render_passes_in_draw_order) { |
| TRACE_EVENT0("cc", "DelegatingRenderer::DrawFrame"); |
| |
| delegated_frame_data_ = base::WrapUnique(new DelegatedFrameData); |
| DelegatedFrameData& out_data = *delegated_frame_data_; |
| // Move the render passes and resources into the |out_frame|. |
| out_data.render_pass_list.swap(*render_passes_in_draw_order); |
| |
| // Collect all resource ids in the render passes into a ResourceIdArray. |
| ResourceProvider::ResourceIdArray resources; |
| for (const auto& render_pass : out_data.render_pass_list) { |
| for (auto* quad : render_pass->quad_list) { |
| for (ResourceId resource_id : quad->resources) |
| resources.push_back(resource_id); |
| } |
| } |
| resource_provider_->PrepareSendToParent(resources, &out_data.resource_list); |
| } |
| |
| void DelegatingRenderer::SwapBuffers(CompositorFrameMetadata metadata) { |
| TRACE_EVENT0("cc,benchmark", "DelegatingRenderer::SwapBuffers"); |
| CompositorFrame compositor_frame; |
| compositor_frame.metadata = std::move(metadata); |
| compositor_frame.delegated_frame_data = std::move(delegated_frame_data_); |
| output_surface_->SwapBuffers(std::move(compositor_frame)); |
| } |
| |
| } // namespace cc |