gecko-dev/gfx/webrender_bindings/RendererOGL.cpp

141 строка
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "RendererOGL.h"
#include "GLContext.h"
#include "GLContextProvider.h"
#include "mozilla/gfx/Logging.h"
#include "mozilla/layers/CompositorBridgeParent.h"
#include "mozilla/layers/CompositorThread.h"
#include "mozilla/webrender/RenderTextureHost.h"
#include "mozilla/widget/CompositorWidget.h"
namespace mozilla {
namespace wr {
WrExternalImage LockExternalImage(void* aObj, WrExternalImageId aId)
{
RendererOGL* renderer = reinterpret_cast<RendererOGL*>(aObj);
RenderTextureHost* texture = renderer->GetRenderTexture(aId.id);
MOZ_ASSERT(texture);
texture->Lock();
return WrExternalImage { WrExternalImageIdType::RawData, 0.0f, 0.0f, 0.0f, 0.0f, 0,
texture->GetDataForRender(), texture->GetBufferSizeForRender() };
}
void UnlockExternalImage(void* aObj, WrExternalImageId aId)
{
RendererOGL* renderer = reinterpret_cast<RendererOGL*>(aObj);
RenderTextureHost* texture = renderer->GetRenderTexture(aId.id);
MOZ_ASSERT(texture);
texture->Unlock();
}
void ReleaseExternalImage(void* aObj, WrExternalImageId aId)
{
}
RendererOGL::RendererOGL(RefPtr<RenderThread>&& aThread,
RefPtr<gl::GLContext>&& aGL,
RefPtr<widget::CompositorWidget>&& aWidget,
wr::WindowId aWindowId,
WrRenderer* aWrRenderer,
layers::CompositorBridgeParentBase* aBridge)
: mThread(aThread)
, mGL(aGL)
, mWidget(aWidget)
, mWrRenderer(aWrRenderer)
, mBridge(aBridge)
, mWindowId(aWindowId)
{
MOZ_ASSERT(mThread);
MOZ_ASSERT(mGL);
MOZ_ASSERT(mWidget);
MOZ_ASSERT(mWrRenderer);
MOZ_ASSERT(mBridge);
MOZ_COUNT_CTOR(RendererOGL);
}
RendererOGL::~RendererOGL()
{
MOZ_COUNT_DTOR(RendererOGL);
wr_renderer_delete(mWrRenderer);
}
WrExternalImageHandler
RendererOGL::GetExternalImageHandler()
{
return WrExternalImageHandler {
this,
LockExternalImage,
UnlockExternalImage,
ReleaseExternalImage,
};
}
void
RendererOGL::Update()
{
wr_renderer_update(mWrRenderer);
}
bool
RendererOGL::Render()
{
if (!mGL->MakeCurrent()) {
gfxCriticalNote << "Failed to make render context current, can't draw.";
return false;
}
mozilla::widget::WidgetRenderingContext widgetContext;
#if defined(XP_MACOSX)
widgetContext.mGL = mGL;
// TODO: we don't have a notion of compositor here.
//#elif defined(MOZ_WIDGET_ANDROID)
// widgetContext.mCompositor = mCompositor;
#endif
if (!mWidget->PreRender(&widgetContext)) {
return false;
}
// XXX set clear color if MOZ_WIDGET_ANDROID is defined.
// XXX pass the actual render bounds instead of an empty rect.
mWidget->DrawWindowUnderlay(&widgetContext, LayoutDeviceIntRect());
auto size = mWidget->GetClientSize();
wr_renderer_render(mWrRenderer, size.width, size.height);
mGL->SwapBuffers();
mWidget->DrawWindowOverlay(&widgetContext, LayoutDeviceIntRect());
mWidget->PostRender(&widgetContext);
// TODO: Flush pending actions such as texture deletions/unlocks and
// textureHosts recycling.
return true;
}
void
RendererOGL::SetProfilerEnabled(bool aEnabled)
{
wr_renderer_set_profiler_enabled(mWrRenderer, aEnabled);
}
WrRenderedEpochs*
RendererOGL::FlushRenderedEpochs()
{
return wr_renderer_flush_rendered_epochs(mWrRenderer);
}
RenderTextureHost*
RendererOGL::GetRenderTexture(uint64_t aExternalImageId)
{
return mThread->GetRenderTexture(aExternalImageId);
}
} // namespace wr
} // namespace mozilla