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#ifndef __NOUVEAU_SCREEN_H__
#define __NOUVEAU_SCREEN_H__
struct nouveau_screen {
struct pipe_screen base;
struct nouveau_device *device;
struct nouveau_channel *channel;
/**
* Create a new texture object, using the given template info, but on top of
* existing memory.
*
* It is assumed that the buffer data is layed out according to the expected
* by the hardware. NULL will be returned if any inconsistency is found.
*/
struct pipe_texture * (*texture_blanket)(struct pipe_screen *,
const struct pipe_texture *templat,
const unsigned *stride,
struct pipe_buffer *buffer);
int (*pre_pipebuffer_map_callback) (struct pipe_screen *pscreen,
struct pipe_buffer *pb, unsigned usage);
};
static inline struct nouveau_screen *
nouveau_screen(struct pipe_screen *pscreen)
{
return (struct nouveau_screen *)pscreen;
}
static inline struct nouveau_bo *
nouveau_bo(struct pipe_buffer *pb)
{
return pb ? *(struct nouveau_bo **)(pb + 1) : NULL;
}
int nouveau_screen_init(struct nouveau_screen *, struct nouveau_device *);
void nouveau_screen_fini(struct nouveau_screen *);
struct nouveau_miptree {
struct pipe_texture base;
struct nouveau_bo *bo;
};
static inline struct nouveau_miptree *
nouveau_miptree(struct pipe_texture *pt)
{
return (struct nouveau_miptree *)pt;
}
#endif
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