blob: 569c2f5454e15fcc5b0e98f48fa1dc177a073390 [file] [log] [blame]
// 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 "android_webview/browser/surfaces_instance.h"
#include <algorithm>
#include <memory>
#include <utility>
#include "android_webview/browser/aw_gl_surface.h"
#include "android_webview/browser/aw_render_thread_context_provider.h"
#include "android_webview/browser/deferred_gpu_command_service.h"
#include "android_webview/browser/parent_output_surface.h"
#include "base/stl_util.h"
#include "components/viz/common/display/renderer_settings.h"
#include "components/viz/common/features.h"
#include "components/viz/common/frame_sinks/begin_frame_source.h"
#include "components/viz/common/quads/solid_color_draw_quad.h"
#include "components/viz/common/quads/surface_draw_quad.h"
#include "components/viz/common/surfaces/parent_local_surface_id_allocator.h"
#include "components/viz/service/display/display.h"
#include "components/viz/service/display/display_scheduler.h"
#include "components/viz/service/display_embedder/skia_output_surface_impl.h"
#include "components/viz/service/frame_sinks/compositor_frame_sink_support.h"
#include "components/viz/service/frame_sinks/frame_sink_manager_impl.h"
#include "gpu/command_buffer/service/shared_context_state.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/transform.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_share_group.h"
#include "ui/gl/init/gl_factory.h"
namespace android_webview {
namespace {
// The client_id used here should not conflict with the client_id generated
// from RenderWidgetHostImpl.
constexpr uint32_t kDefaultClientId = 0u;
SurfacesInstance* g_surfaces_instance = nullptr;
void OnContextLost() {
NOTREACHED() << "Non owned context lost!";
}
} // namespace
// static
scoped_refptr<SurfacesInstance> SurfacesInstance::GetOrCreateInstance() {
if (g_surfaces_instance)
return base::WrapRefCounted(g_surfaces_instance);
return base::WrapRefCounted(new SurfacesInstance);
}
SurfacesInstance::SurfacesInstance()
: frame_sink_id_allocator_(kDefaultClientId),
frame_sink_id_(AllocateFrameSinkId()) {
viz::RendererSettings settings;
// Should be kept in sync with compositor_impl_android.cc.
settings.allow_antialiasing = false;
settings.highp_threshold_min = 2048;
// Webview does not own the surface so should not clear it.
settings.should_clear_root_render_pass = false;
settings.use_skia_renderer = features::IsUsingSkiaRenderer();
// The SharedBitmapManager is null as we do not support or use software
// compositing on Android.
frame_sink_manager_ = std::make_unique<viz::FrameSinkManagerImpl>(
/*shared_bitmap_manager=*/nullptr);
parent_local_surface_id_allocator_ =
std::make_unique<viz::ParentLocalSurfaceIdAllocator>();
constexpr bool is_root = true;
constexpr bool needs_sync_points = true;
support_ = std::make_unique<viz::CompositorFrameSinkSupport>(
this, frame_sink_manager_.get(), frame_sink_id_, is_root,
needs_sync_points);
std::unique_ptr<viz::OutputSurface> output_surface;
viz::SkiaOutputSurface* skia_output_surface = nullptr;
if (settings.use_skia_renderer) {
auto* task_executor = DeferredGpuCommandService::GetInstance();
if (!shared_context_state_) {
auto surface = base::MakeRefCounted<AwGLSurface>();
auto gl_context =
gl::init::CreateGLContext(task_executor->share_group().get(),
surface.get(), gl::GLContextAttribs());
gl_context->MakeCurrent(surface.get());
shared_context_state_ = base::MakeRefCounted<gpu::SharedContextState>(
task_executor->share_group(), std::move(surface),
std::move(gl_context), false /* use_virtualized_gl_contexts */,
base::BindOnce(&OnContextLost),
nullptr /* vulkan_context_provider */);
shared_context_state_->InitializeGrContext(
gpu::GpuDriverBugWorkarounds(task_executor->gpu_feature_info()
.enabled_gpu_driver_bug_workarounds),
nullptr /* gr_shader_cache */);
}
output_surface = std::make_unique<viz::SkiaOutputSurfaceImpl>(
task_executor, base::MakeRefCounted<AwGLSurface>(),
shared_context_state_);
skia_output_surface =
static_cast<viz::SkiaOutputSurface*>(output_surface.get());
} else {
auto context_provider = AwRenderThreadContextProvider::Create(
base::MakeRefCounted<AwGLSurface>(),
DeferredGpuCommandService::GetInstance());
output_surface =
std::make_unique<ParentOutputSurface>(std::move(context_provider));
}
begin_frame_source_ = std::make_unique<viz::StubBeginFrameSource>();
auto scheduler = std::make_unique<viz::DisplayScheduler>(
begin_frame_source_.get(), nullptr /* current_task_runner */,
output_surface->capabilities().max_frames_pending);
display_ = std::make_unique<viz::Display>(
nullptr /* shared_bitmap_manager */, settings, frame_sink_id_,
std::move(output_surface), std::move(scheduler),
nullptr /* current_task_runner */, skia_output_surface);
display_->Initialize(this, frame_sink_manager_->surface_manager(),
false /* enable_shared_images */);
frame_sink_manager_->RegisterBeginFrameSource(begin_frame_source_.get(),
frame_sink_id_);
display_->SetVisible(true);
DCHECK(!g_surfaces_instance);
g_surfaces_instance = this;
}
SurfacesInstance::~SurfacesInstance() {
DCHECK_EQ(g_surfaces_instance, this);
frame_sink_manager_->UnregisterBeginFrameSource(begin_frame_source_.get());
g_surfaces_instance = nullptr;
display_ = nullptr;
DCHECK(!shared_context_state_ || shared_context_state_->HasOneRef());
DCHECK(child_ids_.empty());
}
void SurfacesInstance::DisplayOutputSurfaceLost() {
// Android WebView does not handle context loss.
LOG(FATAL) << "Render thread context loss";
}
viz::FrameSinkId SurfacesInstance::AllocateFrameSinkId() {
return frame_sink_id_allocator_.NextFrameSinkId();
}
viz::FrameSinkManagerImpl* SurfacesInstance::GetFrameSinkManager() {
return frame_sink_manager_.get();
}
void SurfacesInstance::DrawAndSwap(const gfx::Size& viewport,
const gfx::Rect& clip,
const gfx::Transform& transform,
const gfx::Size& frame_size,
const viz::SurfaceId& child_id,
float device_scale_factor,
const gfx::ColorSpace& color_space) {
DCHECK(base::ContainsValue(child_ids_, child_id));
gfx::ColorSpace display_color_space =
color_space.IsValid() ? color_space : gfx::ColorSpace::CreateSRGB();
display_->SetColorSpace(display_color_space, display_color_space);
// Create a frame with a single SurfaceDrawQuad referencing the child
// Surface and transformed using the given transform.
std::unique_ptr<viz::RenderPass> render_pass = viz::RenderPass::Create();
render_pass->SetNew(1, gfx::Rect(viewport), clip, gfx::Transform());
render_pass->has_transparent_background = false;
viz::SharedQuadState* quad_state =
render_pass->CreateAndAppendSharedQuadState();
quad_state->quad_to_target_transform = transform;
quad_state->quad_layer_rect = gfx::Rect(frame_size);
quad_state->visible_quad_layer_rect = gfx::Rect(frame_size);
quad_state->clip_rect = clip;
quad_state->is_clipped = true;
quad_state->opacity = 1.f;
viz::SurfaceDrawQuad* surface_quad =
render_pass->CreateAndAppendDrawQuad<viz::SurfaceDrawQuad>();
surface_quad->SetNew(quad_state, gfx::Rect(quad_state->quad_layer_rect),
gfx::Rect(quad_state->quad_layer_rect),
viz::SurfaceRange(base::nullopt, child_id),
SK_ColorWHITE, /*stretch_content_to_fill_bounds=*/false,
/*ignores_input_event=*/false);
viz::CompositorFrame frame;
// We draw synchronously, so acknowledge a manual BeginFrame.
frame.metadata.begin_frame_ack =
viz::BeginFrameAck::CreateManualAckWithDamage();
frame.render_pass_list.push_back(std::move(render_pass));
frame.metadata.device_scale_factor = device_scale_factor;
frame.metadata.referenced_surfaces = GetChildIdsRanges();
frame.metadata.frame_token = ++next_frame_token_;
if (!root_id_allocation_.IsValid() || viewport != surface_size_ ||
device_scale_factor != device_scale_factor_) {
parent_local_surface_id_allocator_->GenerateId();
root_id_allocation_ = parent_local_surface_id_allocator_
->GetCurrentLocalSurfaceIdAllocation();
surface_size_ = viewport;
device_scale_factor_ = device_scale_factor;
display_->SetLocalSurfaceId(root_id_allocation_.local_surface_id(),
device_scale_factor);
}
support_->SubmitCompositorFrame(root_id_allocation_.local_surface_id(),
std::move(frame));
if (shared_context_state_) {
// GL state could be changed across frames, so we need reset GrContext.
shared_context_state_->PessimisticallyResetGrContext();
}
display_->Resize(viewport);
display_->DrawAndSwap();
display_->DidReceiveSwapBuffersAck();
}
void SurfacesInstance::AddChildId(const viz::SurfaceId& child_id) {
DCHECK(!base::ContainsValue(child_ids_, child_id));
child_ids_.push_back(child_id);
if (root_id_allocation_.IsValid())
SetSolidColorRootFrame();
}
void SurfacesInstance::RemoveChildId(const viz::SurfaceId& child_id) {
auto itr = std::find(child_ids_.begin(), child_ids_.end(), child_id);
DCHECK(itr != child_ids_.end());
child_ids_.erase(itr);
if (root_id_allocation_.IsValid())
SetSolidColorRootFrame();
}
void SurfacesInstance::SetSolidColorRootFrame() {
DCHECK(!surface_size_.IsEmpty());
gfx::Rect rect(surface_size_);
bool is_clipped = false;
bool are_contents_opaque = true;
std::unique_ptr<viz::RenderPass> render_pass = viz::RenderPass::Create();
render_pass->SetNew(1, rect, rect, gfx::Transform());
viz::SharedQuadState* quad_state =
render_pass->CreateAndAppendSharedQuadState();
quad_state->SetAll(gfx::Transform(), rect, rect, rect, is_clipped,
are_contents_opaque, 1.f, SkBlendMode::kSrcOver, 0);
viz::SolidColorDrawQuad* solid_quad =
render_pass->CreateAndAppendDrawQuad<viz::SolidColorDrawQuad>();
solid_quad->SetNew(quad_state, rect, rect, SK_ColorBLACK, false);
viz::CompositorFrame frame;
frame.render_pass_list.push_back(std::move(render_pass));
// We draw synchronously, so acknowledge a manual BeginFrame.
frame.metadata.begin_frame_ack =
viz::BeginFrameAck::CreateManualAckWithDamage();
frame.metadata.referenced_surfaces = GetChildIdsRanges();
frame.metadata.device_scale_factor = device_scale_factor_;
frame.metadata.frame_token = ++next_frame_token_;
support_->SubmitCompositorFrame(root_id_allocation_.local_surface_id(),
std::move(frame));
}
void SurfacesInstance::DidReceiveCompositorFrameAck(
const std::vector<viz::ReturnedResource>& resources) {
ReclaimResources(resources);
}
std::vector<viz::SurfaceRange> SurfacesInstance::GetChildIdsRanges() {
std::vector<viz::SurfaceRange> child_ranges;
for (const viz::SurfaceId& surface_id : child_ids_)
child_ranges.emplace_back(surface_id);
return child_ranges;
}
void SurfacesInstance::OnBeginFrame(
const viz::BeginFrameArgs& args,
const base::flat_map<uint32_t, gfx::PresentationFeedback>& feedbacks) {}
void SurfacesInstance::ReclaimResources(
const std::vector<viz::ReturnedResource>& resources) {
// Root surface should have no resources to return.
CHECK(resources.empty());
}
void SurfacesInstance::OnBeginFramePausedChanged(bool paused) {}
} // namespace android_webview