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RenderCompositorOGL.cpp
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RenderCompositorOGL.cpp
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/* -*- 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, 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::Pause()
{
#ifdef MOZ_WIDGET_ANDROID
if (!mGL || mGL->IsDestroyed()) {
return;
}
// ReleaseSurface internally calls MakeCurrent.
mGL->ReleaseSurface();
#endif
}
bool
RenderCompositorOGL::Resume()
{
#ifdef MOZ_WIDGET_ANDROID
if (!mGL || mGL->IsDestroyed()) {
return false;
}
// RenewSurface internally calls MakeCurrent.
return mGL->RenewSurface(mWidget);
#else
return true;
#endif
}
LayoutDeviceIntSize
RenderCompositorOGL::GetBufferSize()
{
return mWidget->GetClientSize();
}
} // namespace wr
} // namespace mozilla