#define _VA_BACKEND_H_
#include <va/va.h>
-#include <X11/Xlib.h>
#include <linux/videodev2.h>
-#include <ui/Surface.h>
-
-class Surface;
typedef struct VADriverContext *VADriverContextP;
typedef struct VADisplayContext *VADisplayContextP;
+/** \brief VA display types. */
+enum {
+ /** \brief Mask to major identifier for VA display type. */
+ VA_DISPLAY_MAJOR_MASK = 0xf0,
+
+ /** \brief VA/X11 API is used, through vaGetDisplay() entry-point. */
+ VA_DISPLAY_X11 = 0x10,
+ /** \brief VA/GLX API is used, through vaGetDisplayGLX() entry-point. */
+ VA_DISPLAY_GLX = (VA_DISPLAY_X11 | (1 << 0)),
+ /** \brief VA/Android API is used, through vaGetDisplay() entry-point. */
+ VA_DISPLAY_ANDROID = 0x20,
+ /** \brief VA/DRM API is used, through vaGetDisplayDRM() entry-point. */
+ VA_DISPLAY_DRM = 0x30,
+};
+
struct VADriverVTable
{
VAStatus (*vaTerminate) ( VADriverContextP ctx );
VASurfaceStatus *status /* out */
);
+ VAStatus (*vaQuerySurfaceError) (
+ VADriverContextP ctx,
+ VASurfaceID render_target,
+ VAStatus error_status,
+ void **error_info /*out*/
+ );
+
VAStatus (*vaPutSurface) (
VADriverContextP ctx,
VASurfaceID surface,
- Surface* draw, /* X Drawable */
+ void* draw, /* Drawable of window system */
short srcx,
short srcy,
unsigned short srcw,
int num_attributes
);
- /* device specific */
- VAStatus (*vaCreateSurfaceFromCIFrame) (
- VADriverContextP ctx,
- unsigned long frame_id,
- VASurfaceID *surface /* out */
- );
-
-
- VAStatus (*vaCreateSurfaceFromV4L2Buf) (
- VADriverContextP ctx,
- int v4l2_fd, /* file descriptor of V4L2 device */
- struct v4l2_format *v4l2_fmt, /* format of V4L2 */
- struct v4l2_buffer *v4l2_buf, /* V4L2 buffer */
- VASurfaceID *surface /* out */
- );
-
+ /* used by va trace */
VAStatus (*vaBufferInfo) (
- VADriverContextP ctx,
- VAContextID context, /* in */
- VABufferID buf_id, /* in */
- VABufferType *type, /* out */
- unsigned int *size, /* out */
+ VADriverContextP ctx, /* in */
+ VABufferID buf_id, /* in */
+ VABufferType *type, /* out */
+ unsigned int *size, /* out */
unsigned int *num_elements /* out */
);
-
- VAStatus (*vaCopySurfaceToBuffer) (
+ /* lock/unlock surface for external access */
+ VAStatus (*vaLockSurface) (
VADriverContextP ctx,
VASurfaceID surface,
unsigned int *fourcc, /* out for follow argument */
unsigned int *luma_offset,
unsigned int *chroma_u_offset,
unsigned int *chroma_v_offset,
- void **buffer
+ unsigned int *buffer_name, /* if it is not NULL, assign the low lever
+ * surface buffer name
+ */
+ void **buffer /* if it is not NULL, map the surface buffer for
+ * CPU access
+ */
+ );
+
+ VAStatus (*vaUnlockSurface) (
+ VADriverContextP ctx,
+ VASurfaceID surface
);
};
struct VADriverContext
{
void *pDriverData;
- struct VADriverVTable vtable;
+
+ /**
+ * The core VA implementation hooks.
+ *
+ * This structure is allocated from libva with calloc().
+ */
+ struct VADriverVTable *vtable;
+
+ /**
+ * The VA/GLX implementation hooks.
+ *
+ * This structure is intended for drivers that implement the
+ * VA/GLX API. The driver implementation is responsible for the
+ * allocation and deallocation of this structure.
+ */
+ struct VADriverVTableGLX *vtable_glx;
+
+ /**
+ * The VA/EGL implementation hooks.
+ *
+ * This structure is intended for drivers that implement the
+ * VA/EGL API. The driver implementation is responsible for the
+ * allocation and deallocation of this structure.
+ */
+ struct VADriverVTableEGL *vtable_egl;
+
+ /**
+ * The third-party/private implementation hooks.
+ *
+ * This structure is intended for drivers that implement the
+ * private API. The driver implementation is responsible for the
+ * allocation and deallocation of this structure.
+ */
+ void *vtable_tpi;
void *native_dpy;
int x11_screen;
const char *str_vendor;
void *handle; /* dlopen handle */
-
- void *dri_state;
+
+ /**
+ * \brief DRM state.
+ *
+ * This field holds driver specific data for DRM-based
+ * drivers. This structure is allocated from libva with
+ * calloc(). Do not deallocate from within VA driver
+ * implementations.
+ *
+ * All structures shall be derived from struct drm_state. So, for
+ * instance, this field holds a dri_state structure for VA/X11
+ * drivers that use the DRM protocol.
+ */
+ void *drm_state;
+
+ void *glx; /* opaque for GLX code */
+
+ /** \brief VA display type. */
+ unsigned long display_type;
+
+ unsigned long reserved[44]; /* reserve for future add-ins, decrease the subscript accordingly */
};
#define VA_DISPLAY_MAGIC 0x56414430 /* VAD0 */
VADisplayContextP ctx,
char **driver_name
);
+
+ void *opaque; /* opaque for display extensions (e.g. GLX) */
};
typedef VAStatus (*VADriverInit) (
VADriverContextP driver_context
);
-
#endif /* _VA_BACKEND_H_ */
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