зеркало из https://github.com/mozilla/gecko-dev.git
76 строки
2.0 KiB
C++
76 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "RenderCompositorOGL.h"
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#include "GLContext.h"
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#include "GLContextProvider.h"
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#include "mozilla/widget/CompositorWidget.h"
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namespace mozilla {
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namespace wr {
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/* static */ UniquePtr<RenderCompositor> RenderCompositorOGL::Create(
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RefPtr<widget::CompositorWidget>&& aWidget) {
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RefPtr<gl::GLContext> gl;
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gl = gl::GLContextProvider::CreateForCompositorWidget(aWidget, true);
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if (!gl || !gl->MakeCurrent()) {
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gfxCriticalNote << "Failed GL context creation for WebRender: "
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<< gfx::hexa(gl.get());
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return nullptr;
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}
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return MakeUnique<RenderCompositorOGL>(std::move(gl), std::move(aWidget));
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}
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RenderCompositorOGL::RenderCompositorOGL(
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RefPtr<gl::GLContext>&& aGL, RefPtr<widget::CompositorWidget>&& aWidget)
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: RenderCompositor(std::move(aWidget)), mGL(aGL) {
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MOZ_ASSERT(mGL);
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}
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RenderCompositorOGL::~RenderCompositorOGL() {}
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bool RenderCompositorOGL::BeginFrame() {
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if (!mGL->MakeCurrent()) {
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gfxCriticalNote << "Failed to make render context current, can't draw.";
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return false;
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}
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return true;
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}
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void RenderCompositorOGL::EndFrame() { mGL->SwapBuffers(); }
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void RenderCompositorOGL::WaitForGPU() {}
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void RenderCompositorOGL::Pause() {
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#ifdef MOZ_WIDGET_ANDROID
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if (!mGL || mGL->IsDestroyed()) {
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return;
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}
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// ReleaseSurface internally calls MakeCurrent.
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mGL->ReleaseSurface();
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#endif
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}
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bool RenderCompositorOGL::Resume() {
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#ifdef MOZ_WIDGET_ANDROID
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if (!mGL || mGL->IsDestroyed()) {
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return false;
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}
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// RenewSurface internally calls MakeCurrent.
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return mGL->RenewSurface(mWidget);
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#else
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return true;
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#endif
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}
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LayoutDeviceIntSize RenderCompositorOGL::GetBufferSize() {
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return mWidget->GetClientSize();
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}
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} // namespace wr
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} // namespace mozilla
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