src/gallium/auxiliary/util/u_dirty_surfaces.h

   1 #ifndef U_DIRTY_SURFACES_H_
   2 #define U_DIRTY_SURFACES_H_
   3
   4 #include "util/u_double_list.h"
   5 #include "util/u_math.h"
   6
   7 typedef void (*util_dirty_surface_flush_t) (struct pipe_context *, struct pipe_surface *);
   8
   9 struct util_dirty_surfaces
  10 {
  11    struct list_head dirty_list;
  12 };
  13
  14 struct util_dirty_surface
  15 {
  16    struct pipe_surface base;
  17    struct list_head dirty_list;
  18 };
  19
  20 static INLINE void
  21 util_dirty_surfaces_init(struct util_dirty_surfaces *ds)
  22 {
  23    LIST_INITHEAD(&ds->dirty_list);
  24 }
  25
  26 static INLINE void
  27 util_dirty_surfaces_use_for_sampling(struct pipe_context *pipe, struct util_dirty_surfaces *dss, util_dirty_surface_flush_t flush)
  28 {
  29    struct list_head *p, *next;
  30    for(p = dss->dirty_list.next; p != &dss->dirty_list; p = next)
  31    {
  32       struct util_dirty_surface *ds = LIST_ENTRY(struct util_dirty_surface, p, dirty_list);
  33       next = p->next;
  34
  35       flush(pipe, &ds->base);
  36    }
  37 }
  38
  39 static INLINE void
  40 util_dirty_surfaces_use_levels_for_sampling(struct pipe_context *pipe, struct util_dirty_surfaces *dss, unsigned first, unsigned last, util_dirty_surface_flush_t flush)
  41 {
  42    struct list_head *p, *next;
  43    if(first > last)
  44       return;
  45    for(p = dss->dirty_list.next; p != &dss->dirty_list; p = next)
  46    {
  47       struct util_dirty_surface *ds = LIST_ENTRY(struct util_dirty_surface, p, dirty_list);
  48       next = p->next;
  49
  50       if(ds->base.level >= first && ds->base.level <= last)
  51          flush(pipe, &ds->base);
  52    }
  53 }
  54
  55 static INLINE void
  56 util_dirty_surfaces_use_for_sampling_with(struct pipe_context *pipe, struct util_dirty_surfaces *dss, struct pipe_sampler_view *psv, struct pipe_sampler_state *pss, util_dirty_surface_flush_t flush)
  57 {
  58    if(!LIST_IS_EMPTY(&dss->dirty_list))
  59       util_dirty_surfaces_use_levels_for_sampling(pipe, dss, (unsigned)pss->min_lod + psv->first_level, MIN2((unsigned)ceilf(pss->max_lod) + psv->first_level, psv->last_level), flush);
  60 }
  61
  62 static INLINE void
  63 util_dirty_surface_init(struct util_dirty_surface *ds)
  64 {
  65    LIST_INITHEAD(&ds->dirty_list);
  66 }
  67
  68 static INLINE boolean
  69 util_dirty_surface_is_dirty(struct util_dirty_surface *ds)
  70 {
  71    return !LIST_IS_EMPTY(&ds->dirty_list);
  72 }
  73
  74 static INLINE void
  75 util_dirty_surface_set_dirty(struct util_dirty_surfaces *dss, struct util_dirty_surface *ds)
  76 {
  77    if(LIST_IS_EMPTY(&ds->dirty_list))
  78       LIST_ADDTAIL(&ds->dirty_list, &dss->dirty_list);
  79 }
  80
  81 static INLINE void
  82 util_dirty_surface_set_clean(struct util_dirty_surfaces *dss, struct util_dirty_surface *ds)
  83 {
  84    if(!LIST_IS_EMPTY(&ds->dirty_list))
  85       LIST_DELINIT(&ds->dirty_list);
  86 }
  87
  88 #endif