#ifndef GraphicsSurface_h
#define GraphicsSurface_h
#include "GraphicsContext.h"
#include "IntRect.h"
#include "OwnPtr.h"
#include "PassOwnPtr.h"
#include "RefCounted.h"
#include "RefPtr.h"
#if USE(GRAPHICS_SURFACE)
#if OS(DARWIN)
typedef struct __IOSurface* IOSurfaceRef;
typedef IOSurfaceRef PlatformGraphicsSurface;
#endif
namespace WebCore {
class GraphicsSurface : public RefCounted<GraphicsSurface> {
public:
enum Flag {
SupportsAlpha = 0x01,
SupportsSoftwareWrite = 0x02,
SupportsSoftwareRead = 0x04,
SupportsTextureTarget = 0x08,
SupportsTextureSource = 0x10,
SupportsCopyToTexture = 0x20,
SupportsCopyFromTexture = 0x40,
SupportsSharing = 0x80
};
enum LockOption {
RetainPixels = 0x01,
ReadOnly = 0x02
};
typedef int Flags;
typedef int LockOptions;
Flags flags() const { return m_flags; }
PlatformGraphicsSurface platformSurface() const { return m_platformSurface; }
IntSize size() const { return m_size; }
static PassRefPtr<GraphicsSurface> create(const IntSize&, Flags);
static PassRefPtr<GraphicsSurface> create(const IntSize&, Flags, uint32_t token);
void copyToGLTexture(uint32_t target, uint32_t texture, const IntRect& targetRect, const IntPoint& sourceOffset);
uint32_t exportToken();
PassOwnPtr<GraphicsContext> beginPaint(const IntRect&, LockOptions);
PassRefPtr<Image> createReadOnlyImage(const IntRect&);
protected:
bool platformCreate(const IntSize&, Flags);
bool platformImport(uint32_t);
uint32_t platformExport();
void platformDestroy();
char* platformLock(const IntRect&, int* stride, LockOptions);
void platformUnlock();
void platformCopyToGLTexture(uint32_t target, uint32_t texture, const IntRect&, const IntPoint&);
PassOwnPtr<GraphicsContext> platformBeginPaint(const IntSize&, char* bits, int stride);
protected:
LockOptions m_lockOptions;
Flags m_flags;
private:
GraphicsSurface(const IntSize&, Flags);
#if PLATFORM(QT)
static void didReleaseImage(void*);
#endif
private:
IntSize m_size;
PlatformGraphicsSurface m_platformSurface;
uint32_t m_texture;
uint32_t m_fbo;
};
}
#endif // USE(GRAPHICS_SURFACE)
#endif // GraphicsSurface_h