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83b49ee3ae
This CL lets us put up more than one frame by using the scheduler to schedule the next frame. R=ojan@chromium.org Review URL: https://codereview.chromium.org/744753003
108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "sky/compositor/layer_host.h"
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#include "base/message_loop/message_loop.h"
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#include "mojo/converters/geometry/geometry_type_converters.h"
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#include "mojo/gpu/gl_context.h"
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#include "mojo/services/public/cpp/surfaces/surfaces_utils.h"
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#include "mojo/skia/ganesh_context.h"
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#include "sky/compositor/layer.h"
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namespace sky {
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LayerHost::LayerHost(LayerHostClient* client)
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: client_(client),
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surface_holder_(this, client->GetShell()),
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gl_context_(mojo::GLContext::Create(client->GetShell())),
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ganesh_context_(gl_context_),
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resource_manager_(gl_context_),
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scheduler_(this, base::MessageLoop::current()->task_runner()) {
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scheduler_.UpdateVSync(
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TimeInterval(base::TimeTicks(), base::TimeDelta::FromSecondsD(1.0 / 60)));
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}
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LayerHost::~LayerHost() {
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}
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void LayerHost::SetNeedsAnimate() {
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scheduler_.SetNeedsFrame();
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}
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void LayerHost::SetRootLayer(scoped_refptr<Layer> layer) {
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DCHECK(!root_layer_.get());
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root_layer_ = layer;
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root_layer_->set_host(this);
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}
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void LayerHost::OnSurfaceIdAvailable(mojo::SurfaceIdPtr surface_id) {
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client_->OnSurfaceIdAvailable(surface_id.Pass());
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}
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void LayerHost::ReturnResources(
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mojo::Array<mojo::ReturnedResourcePtr> resources) {
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resource_manager_.ReturnResources(resources.Pass());
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}
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void LayerHost::BeginFrame(base::TimeTicks frame_time,
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base::TimeTicks deadline) {
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client_->BeginFrame(frame_time);
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root_layer_->Display();
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Upload(root_layer_.get());
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}
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void LayerHost::Upload(Layer* layer) {
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gfx::Size size = layer->size();
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surface_holder_.SetSize(size);
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mojo::FramePtr frame = mojo::Frame::New();
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frame->resources.resize(0u);
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mojo::Rect bounds;
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bounds.width = size.width();
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bounds.height = size.height();
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mojo::PassPtr pass = mojo::CreateDefaultPass(1, bounds);
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pass->quads.resize(0u);
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pass->shared_quad_states.push_back(mojo::CreateDefaultSQS(
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mojo::TypeConverter<mojo::Size, gfx::Size>::Convert(size)));
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mojo::TransferableResourcePtr resource =
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resource_manager_.CreateTransferableResource(layer);
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mojo::QuadPtr quad = mojo::Quad::New();
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quad->material = mojo::MATERIAL_TEXTURE_CONTENT;
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mojo::RectPtr rect = mojo::Rect::New();
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rect->width = size.width();
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rect->height = size.height();
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quad->rect = rect.Clone();
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quad->opaque_rect = rect.Clone();
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quad->visible_rect = rect.Clone();
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quad->needs_blending = true;
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quad->shared_quad_state_index = 0u;
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mojo::TextureQuadStatePtr texture_state = mojo::TextureQuadState::New();
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texture_state->resource_id = resource->id;
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texture_state->premultiplied_alpha = true;
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texture_state->uv_top_left = mojo::PointF::New();
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texture_state->uv_bottom_right = mojo::PointF::New();
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texture_state->uv_bottom_right->x = 1.f;
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texture_state->uv_bottom_right->y = 1.f;
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texture_state->background_color = mojo::Color::New();
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texture_state->background_color->rgba = 0;
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for (int i = 0; i < 4; ++i)
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texture_state->vertex_opacity.push_back(1.f);
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texture_state->flipped = false;
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frame->resources.push_back(resource.Pass());
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quad->texture_quad_state = texture_state.Pass();
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pass->quads.push_back(quad.Pass());
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frame->passes.push_back(pass.Pass());
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surface_holder_.SubmitFrame(frame.Pass());
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}
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} // namespace sky
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