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/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86xvmc.h,v 1.5 2001/11/14 21:54:39 mvojkovi Exp $ */
#ifndef _XF86XVMC_H
#define _XF86XVMC_H
#include "xvmcext.h"
#include "xf86xv.h"
typedef struct {
int num_xvimages;
int *xvimage_ids; /* reference the subpictures in the XF86MCAdaptorRec */
} XF86MCImageIDList;
typedef struct {
int surface_type_id; /* Driver generated. Must be unique on the port */
int chroma_format;
int color_description; /* no longer used */
unsigned short max_width;
unsigned short max_height;
unsigned short subpicture_max_width;
unsigned short subpicture_max_height;
int mc_type;
int flags;
XF86MCImageIDList *compatible_subpictures; /* can be null, if none */
} XF86MCSurfaceInfoRec, *XF86MCSurfaceInfoPtr;
/*
xf86XvMCCreateContextProc
DIX will fill everything out in the context except the driver_priv.
The port_priv holds the private data specified for the port when
Xv was initialized by the driver.
The driver may store whatever it wants in driver_priv and edit
the width, height and flags. If the driver wants to return something
to the client it can allocate space in priv and specify the number
of 32 bit words in num_priv. This must be dynamically allocated
space because DIX will free it after it passes it to the client.
*/
typedef int (*xf86XvMCCreateContextProcPtr) (
ScrnInfoPtr pScrn,
XvMCContextPtr context,
int *num_priv,
CARD32 **priv
);
typedef void (*xf86XvMCDestroyContextProcPtr) (
ScrnInfoPtr pScrn,
XvMCContextPtr context
);
/*
xf86XvMCCreateSurfaceProc
DIX will fill everything out in the surface except the driver_priv.
The driver may store whatever it wants in driver_priv. The driver
may pass data back to the client in the same manner as the
xf86XvMCCreateContextProc.
*/
typedef int (*xf86XvMCCreateSurfaceProcPtr) (
ScrnInfoPtr pScrn,
XvMCSurfacePtr surface,
int *num_priv,
CARD32 **priv
);
typedef void (*xf86XvMCDestroySurfaceProcPtr) (
ScrnInfoPtr pScrn,
XvMCSurfacePtr surface
);
/*
xf86XvMCCreateSubpictureProc
DIX will fill everything out in the subpicture except the driver_priv,
num_palette_entries, entry_bytes and component_order. The driver may
store whatever it wants in driver_priv and edit the width and height.
If it is a paletted subpicture the driver needs to fill out the
num_palette_entries, entry_bytes and component_order. These are
not communicated to the client until the time the surface is
created.
The driver may pass data back to the client in the same manner as the
xf86XvMCCreateContextProc.
*/
typedef int (*xf86XvMCCreateSubpictureProcPtr) (
ScrnInfoPtr pScrn,
XvMCSubpicturePtr subpicture,
int *num_priv,
CARD32 **priv
);
typedef void (*xf86XvMCDestroySubpictureProcPtr) (
ScrnInfoPtr pScrn,
XvMCSubpicturePtr subpicture
);
typedef struct {
char *name;
int num_surfaces;
XF86MCSurfaceInfoPtr *surfaces;
int num_subpictures;
XF86ImagePtr *subpictures;
xf86XvMCCreateContextProcPtr CreateContext;
xf86XvMCDestroyContextProcPtr DestroyContext;
xf86XvMCCreateSurfaceProcPtr CreateSurface;
xf86XvMCDestroySurfaceProcPtr DestroySurface;
xf86XvMCCreateSubpictureProcPtr CreateSubpicture;
xf86XvMCDestroySubpictureProcPtr DestroySubpicture;
} XF86MCAdaptorRec, *XF86MCAdaptorPtr;
/*
xf86XvMCScreenInit
Unlike Xv, the adaptor data is not copied from this structure.
This structure's data is used so it must stick around for the
life of the server. Note that it's an array of pointers not
an array of structures.
*/
Bool xf86XvMCScreenInit(
ScreenPtr pScreen,
int num_adaptors,
XF86MCAdaptorPtr *adaptors
);
#endif /* _XF86XVMC_H */
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