gecko-dev/gfx/webrender_bindings/RenderCompositorOGL.cpp

60 строки
1.7 KiB
C++

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