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