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This CL plumbs resize notifications from SkyView to Engine. I've taken the opportunity to reorganize how notifications generated by SkyView are plumbed to the GPU and UI threads. This approach should reduce the amount of plumbing needed for new notifications. R=eseidel@chromium.org Review URL: https://codereview.chromium.org/880443003
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
// Copyright 2015 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/shell/gpu/rasterizer.h"
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#include "sky/shell/gpu/ganesh_context.h"
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#include "sky/shell/gpu/ganesh_surface.h"
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#include "third_party/skia/include/core/SkCanvas.h"
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#include "third_party/skia/include/core/SkPicture.h"
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#include "ui/gl/gl_bindings.h"
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#include "ui/gl/gl_context.h"
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#include "ui/gl/gl_share_group.h"
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#include "ui/gl/gl_surface.h"
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namespace sky {
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namespace shell {
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namespace {
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gfx::Size GetSize(SkPicture* picture) {
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const SkRect& rect = picture->cullRect();
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return gfx::Size(rect.width(), rect.height());
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}
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} // namespace
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Rasterizer::Rasterizer() : weak_factory_(this) {
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}
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Rasterizer::~Rasterizer() {
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}
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base::WeakPtr<Rasterizer> Rasterizer::GetWeakPtr() {
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return weak_factory_.GetWeakPtr();
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}
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void Rasterizer::OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget) {
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share_group_ = make_scoped_refptr(new gfx::GLShareGroup());
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surface_ = gfx::GLSurface::CreateViewGLSurface(widget);
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CHECK(surface_) << "GLSurface required.";
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CHECK(CreateGLContext()) << "GLContext required.";
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}
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void Rasterizer::Draw(skia::RefPtr<SkPicture> picture) {
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// TODO(abarth): We should handle losing the GL context.
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CHECK(context_->MakeCurrent(surface_.get()));
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EnsureGaneshSurface(GetSize(picture.get()));
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SkCanvas* canvas = ganesh_surface_->canvas();
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canvas->drawPicture(picture.get());
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canvas->flush();
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surface_->SwapBuffers();
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}
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void Rasterizer::OnOutputSurfaceDestroyed() {
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}
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bool Rasterizer::CreateGLContext() {
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context_ = gfx::GLContext::CreateGLContext(share_group_.get(), surface_.get(),
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gfx::PreferIntegratedGpu);
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if (!context_)
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return false;
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ganesh_context_.reset(new GaneshContext(context_.get()));
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return true;
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}
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void Rasterizer::EnsureGaneshSurface(const gfx::Size& size) {
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if (!ganesh_surface_ || ganesh_surface_->size() != size)
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ganesh_surface_.reset(new GaneshSurface(ganesh_context_.get(), size));
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}
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} // namespace shell
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} // namespace sky
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