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/*
* Copyright (C) 2024 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if USE(COORDINATED_GRAPHICS) && USE(SKIA)
#include <wtf/RefPtr.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WorkerPool.h>
namespace WebCore {
class BitmapTexturePool;
class CoordinatedTileBuffer;
class GraphicsContext;
class GraphicsLayer;
class IntRect;
class IntSize;
class SkiaRecordingResult;
enum class RenderingMode : uint8_t;
class SkiaPaintingEngine {
WTF_MAKE_TZONE_ALLOCATED(SkiaPaintingEngine);
WTF_MAKE_NONCOPYABLE(SkiaPaintingEngine);
public:
SkiaPaintingEngine(unsigned numberOfCPUThreads, unsigned numberOfGPUThreads);
~SkiaPaintingEngine();
static std::unique_ptr<SkiaPaintingEngine> create();
static unsigned numberOfCPUPaintingThreads();
static unsigned numberOfGPUPaintingThreads();
bool useThreadedRendering() const { return m_cpuWorkerPool || m_gpuWorkerPool; }
Ref<CoordinatedTileBuffer> paint(const GraphicsLayer&, const IntRect& dirtyRect, bool contentsOpaque, float contentsScale);
Ref<SkiaRecordingResult> record(const GraphicsLayer&, const IntRect& recordRect, bool contentsOpaque, float contentsScale);
Ref<CoordinatedTileBuffer> replay(const RefPtr<SkiaRecordingResult>&, const IntRect& dirtyRect);
private:
Ref<CoordinatedTileBuffer> createBuffer(RenderingMode, const IntSize&, bool contentsOpaque) const;
void paintIntoGraphicsContext(const GraphicsLayer&, GraphicsContext&, const IntRect&, bool contentsOpaque, float contentsScale) const;
RenderingMode renderingMode() const;
std::optional<RenderingMode> threadedRenderingMode() const;
RefPtr<WorkerPool> m_cpuWorkerPool;
RefPtr<WorkerPool> m_gpuWorkerPool;
std::unique_ptr<BitmapTexturePool> m_texturePool;
};
} // namespace WebCore
#endif // USE(COORDINATED_GRAPHICS) && USE(SKIA)
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