#ifndef IOSurface_h
#define IOSurface_h
#if USE(IOSURFACE)
#include "GraphicsContext.h"
#include "IntSize.h"
namespace WebCore {
class MachSendRight;
class IOSurface final {
WTF_MAKE_FAST_ALLOCATED;
public:
enum class Format {
RGBA,
YUV422,
RGB10,
RGB10A8,
};
WEBCORE_EXPORT static std::unique_ptr<IOSurface> create(IntSize, CGColorSpaceRef, Format = Format::RGBA);
WEBCORE_EXPORT static std::unique_ptr<IOSurface> create(IntSize, IntSize contextSize, CGColorSpaceRef, Format = Format::RGBA);
WEBCORE_EXPORT static std::unique_ptr<IOSurface> createFromSendRight(const MachSendRight&, CGColorSpaceRef);
static std::unique_ptr<IOSurface> createFromSurface(IOSurfaceRef, CGColorSpaceRef);
WEBCORE_EXPORT static std::unique_ptr<IOSurface> createFromImage(CGImageRef);
static std::unique_ptr<IOSurface> createFromImageBuffer(std::unique_ptr<ImageBuffer>);
WEBCORE_EXPORT static void moveToPool(std::unique_ptr<IOSurface>&&);
static IntSize maximumSize();
WEBCORE_EXPORT MachSendRight createSendRight() const;
WEBCORE_EXPORT RetainPtr<CGImageRef> createImage();
static RetainPtr<CGImageRef> sinkIntoImage(std::unique_ptr<IOSurface>);
id asLayerContents() const { return (id)(CFTypeRef)m_surface.get(); }
IOSurfaceRef surface() const { return m_surface.get(); }
WEBCORE_EXPORT GraphicsContext& ensureGraphicsContext();
WEBCORE_EXPORT CGContextRef ensurePlatformContext();
enum class SurfaceState {
Valid,
Empty
};
SurfaceState state() const;
bool isVolatile() const;
WEBCORE_EXPORT SurfaceState setIsVolatile(bool);
IntSize size() const { return m_size; }
size_t totalBytes() const { return m_totalBytes; }
CGColorSpaceRef colorSpace() const { return m_colorSpace.get(); }
WEBCORE_EXPORT Format format() const;
WEBCORE_EXPORT bool isInUse() const;
WEBCORE_EXPORT void releaseGraphicsContext();
#if PLATFORM(IOS)
WEBCORE_EXPORT static bool allowConversionFromFormatToFormat(Format, Format);
WEBCORE_EXPORT static void convertToFormat(std::unique_ptr<WebCore::IOSurface>&& inSurface, Format, std::function<void(std::unique_ptr<WebCore::IOSurface>)>);
#endif
private:
IOSurface(IntSize, IntSize contextSize, CGColorSpaceRef, Format, bool& success);
IOSurface(IOSurfaceRef, CGColorSpaceRef);
static std::unique_ptr<IOSurface> surfaceFromPool(IntSize, IntSize contextSize, CGColorSpaceRef, Format);
IntSize contextSize() const { return m_contextSize; }
void setContextSize(IntSize);
RetainPtr<CGColorSpaceRef> m_colorSpace;
IntSize m_size;
IntSize m_contextSize;
size_t m_totalBytes;
std::unique_ptr<GraphicsContext> m_graphicsContext;
RetainPtr<CGContextRef> m_cgContext;
RetainPtr<IOSurfaceRef> m_surface;
};
}
#endif // USE(IOSURFACE)
#endif // IOSurface_h