kolibrios/drivers/video/drm/i915/bitmap.h

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typedef struct tag_object kobj_t;
typedef struct tag_display display_t;
struct hman
{
u32 *table;
u32 next;
u32 avail;
u32 count;
};
extern struct hman bm_man;
int init_hman(struct hman *man, u32 count);
u32 alloc_handle(struct hman *man);
int free_handle(struct hman *man, u32 handle);
#define hman_get_data(man, handle) \
((man)->table[(handle)-1])
#define hman_set_data(man, handle, val) \
((man)->table[(handle)-1]) = (u32)(val)
struct tag_object
{
uint32_t magic;
void *destroy;
kobj_t *fd;
kobj_t *bk;
uint32_t pid;
};
typedef struct
{
kobj_t header;
u32 handle;
void *uaddr;
u32 pitch;
u32 gaddr;
u32 width;
u32 height;
u32 max_width;
u32 max_height;
u32 format;
struct drm_i915_gem_object *obj;
}bitmap_t;
struct io_call_10 /* SRV_CREATE_SURFACE */
{
u32 handle; // ignored
void *data; // ignored
u32 width;
u32 height;
u32 pitch; // ignored
u32 max_width;
u32 max_height;
u32 format; // reserved mbz
};
struct io_call_12 /* SRV_LOCK_SURFACE */
{
u32 handle; // ignored
void *data; // ignored
u32 width;
u32 height;
u32 pitch; // ignored
};
typedef struct
{
uint32_t idx;
union
{
uint32_t opt[2];
struct {
uint32_t max_tex_width;
uint32_t max_tex_height;
}cap1;
};
}hwcaps_t;
#define HW_BIT_BLIT (1<<0) /* BGRX blitter */
#define HW_TEX_BLIT (1<<1) /* stretch blit */
#define HW_VID_BLIT (1<<2) /* planar and packed video */
/* 3 - 63 reserved */
int get_driver_caps(hwcaps_t *caps);
int create_surface(struct io_call_10 *pbitmap);
int lock_surface(struct io_call_12 *pbitmap);
int init_bitmaps();