| // 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 "mojo/services/native_viewport/viewport_surface.h" |
| |
| #include "base/bind.h" |
| #include "cc/surfaces/surface_id_allocator.h" |
| #include "mojo/converters/geometry/geometry_type_converters.h" |
| #include "mojo/converters/surfaces/surfaces_type_converters.h" |
| #include "mojo/services/public/cpp/surfaces/surfaces_utils.h" |
| #include "ui/gfx/transform.h" |
| |
| namespace mojo { |
| |
| ViewportSurface::ViewportSurface(SurfacesService* surfaces_service, |
| Gpu* gpu_service, |
| const gfx::Size& size, |
| cc::SurfaceId child_id) |
| : gpu_service_(gpu_service), |
| widget_id_(0u), |
| size_(size), |
| child_id_(child_id), |
| weak_factory_(this) { |
| surfaces_service->CreateSurfaceConnection( |
| base::Bind(&ViewportSurface::OnSurfaceConnectionCreated, |
| weak_factory_.GetWeakPtr())); |
| } |
| |
| ViewportSurface::~ViewportSurface() { |
| } |
| |
| void ViewportSurface::SetWidgetId(uint64_t widget_id) { |
| widget_id_ = widget_id; |
| if (id_allocator_) |
| BindSurfaceToNativeViewport(); |
| } |
| |
| void ViewportSurface::SetSize(const gfx::Size& size) { |
| if (size_ == size) |
| return; |
| |
| size_ = size; |
| if (id_.is_null()) |
| return; |
| |
| surface_->DestroySurface(SurfaceId::From(id_)); |
| if (widget_id_) |
| BindSurfaceToNativeViewport(); |
| } |
| |
| void ViewportSurface::SetChildId(cc::SurfaceId child_id) { |
| child_id_ = child_id; |
| SubmitFrame(); |
| } |
| |
| void ViewportSurface::OnSurfaceConnectionCreated(SurfacePtr surface, |
| uint32_t id_namespace) { |
| surface_ = surface.Pass(); |
| surface_.set_client(this); |
| id_allocator_.reset(new cc::SurfaceIdAllocator(id_namespace)); |
| if (widget_id_ != 0u) |
| BindSurfaceToNativeViewport(); |
| } |
| |
| void ViewportSurface::BindSurfaceToNativeViewport() { |
| CommandBufferPtr cb; |
| gpu_service_->CreateOnscreenGLES2Context( |
| widget_id_, Size::From(size_), GetProxy(&cb)); |
| |
| id_ = id_allocator_->GenerateId(); |
| surface_->CreateGLES2BoundSurface( |
| cb.Pass(), SurfaceId::From(id_), Size::From(size_)); |
| |
| SubmitFrame(); |
| } |
| |
| void ViewportSurface::SubmitFrame() { |
| if (child_id_.is_null() || id_.is_null()) |
| return; |
| |
| SurfaceQuadStatePtr surface_quad_state = SurfaceQuadState::New(); |
| surface_quad_state->surface = SurfaceId::From(child_id_); |
| |
| gfx::Rect bounds(size_); |
| |
| QuadPtr surface_quad = Quad::New(); |
| surface_quad->material = Material::MATERIAL_SURFACE_CONTENT; |
| surface_quad->rect = Rect::From(bounds); |
| surface_quad->opaque_rect = Rect::From(bounds); |
| surface_quad->visible_rect = Rect::From(bounds); |
| surface_quad->needs_blending = true; |
| surface_quad->shared_quad_state_index = 0; |
| surface_quad->surface_quad_state = surface_quad_state.Pass(); |
| |
| PassPtr pass = CreateDefaultPass(1, *mojo::Rect::From(bounds)); |
| |
| pass->quads.push_back(surface_quad.Pass()); |
| pass->shared_quad_states.push_back(CreateDefaultSQS( |
| *mojo::Size::From(size_))); |
| |
| FramePtr frame = Frame::New(); |
| frame->passes.push_back(pass.Pass()); |
| frame->resources.resize(0u); |
| surface_->SubmitFrame(SurfaceId::From(id_), frame.Pass()); |
| } |
| |
| void ViewportSurface::ReturnResources(Array<ReturnedResourcePtr> resources) { |
| // We never submit resources so we should never get any back. |
| DCHECK_EQ(0u, resources.size()); |
| } |
| |
| } // namespace mojo |