mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-28 15:23:51 +00:00
91 lines
2.9 KiB
C++
91 lines
2.9 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/. */
|
|
|
|
#ifndef MOZILLA_GFX_RENDERCOMPOSITOR_SWGL_H
|
|
#define MOZILLA_GFX_RENDERCOMPOSITOR_SWGL_H
|
|
|
|
#include "mozilla/gfx/2D.h"
|
|
#include "mozilla/webrender/RenderCompositor.h"
|
|
|
|
namespace mozilla {
|
|
|
|
namespace wr {
|
|
|
|
class RenderCompositorSWGL : public RenderCompositor {
|
|
public:
|
|
static UniquePtr<RenderCompositor> Create(
|
|
const RefPtr<widget::CompositorWidget>& aWidget, nsACString& aError);
|
|
|
|
RenderCompositorSWGL(const RefPtr<widget::CompositorWidget>& aWidget,
|
|
void* aContext);
|
|
virtual ~RenderCompositorSWGL();
|
|
|
|
void* swgl() const override { return mContext; }
|
|
|
|
bool MakeCurrent() override;
|
|
|
|
bool BeginFrame() override;
|
|
void CancelFrame() override;
|
|
RenderedFrameId EndFrame(const nsTArray<DeviceIntRect>& aDirtyRects) final;
|
|
|
|
void StartCompositing(wr::ColorF aClearColor,
|
|
const wr::DeviceIntRect* aDirtyRects,
|
|
size_t aNumDirtyRects,
|
|
const wr::DeviceIntRect* aOpaqueRects,
|
|
size_t aNumOpaqueRects) override;
|
|
|
|
bool UsePartialPresent() override { return true; }
|
|
bool RequestFullRender() override;
|
|
|
|
void Pause() override;
|
|
bool Resume() override;
|
|
|
|
layers::WebRenderBackend BackendType() const override {
|
|
return layers::WebRenderBackend::SOFTWARE;
|
|
}
|
|
layers::WebRenderCompositor CompositorType() const override {
|
|
return layers::WebRenderCompositor::SOFTWARE;
|
|
}
|
|
|
|
bool SurfaceOriginIsTopLeft() override { return true; }
|
|
|
|
LayoutDeviceIntSize GetBufferSize() override;
|
|
|
|
bool SupportsExternalBufferTextures() const override { return true; }
|
|
|
|
// Interface for wr::Compositor
|
|
void GetCompositorCapabilities(CompositorCapabilities* aCaps) override;
|
|
|
|
private:
|
|
void* mContext = nullptr;
|
|
RefPtr<gfx::DrawTarget> mDT;
|
|
LayoutDeviceIntRegion mDirtyRegion;
|
|
// Keep consistent buffer size between BeginFrame and EndFrame/CancelFrame
|
|
// calls to make sure we don't change buffer size during rendering.
|
|
Maybe<LayoutDeviceIntSize> mRenderWidgetSize;
|
|
RefPtr<gfx::DataSourceSurface> mSurface;
|
|
uint8_t* mMappedData = nullptr;
|
|
int32_t mMappedStride = 0;
|
|
#ifdef MOZ_WIDGET_GTK
|
|
// On Wayland we need to request full render if widget size is changed
|
|
// because SW rendering backend reallocates and clears target surface.
|
|
LayoutDeviceIntSize mLastRenderWidgetSize;
|
|
bool mRequestFullRender = false;
|
|
#endif
|
|
|
|
void ClearMappedBuffer();
|
|
|
|
bool AllocateMappedBuffer(const wr::DeviceIntRect* aOpaqueRects,
|
|
size_t aNumOpaqueRects);
|
|
|
|
void CommitMappedBuffer(bool aDirty = true);
|
|
};
|
|
|
|
} // namespace wr
|
|
} // namespace mozilla
|
|
|
|
#endif
|