src/gallium/drivers/nouveau/nouveau_context.c

   1 #include <pipe/p_defines.h>
   2 #include <pipe/p_context.h>
   3
   4 #include "nouveau/nouveau_screen.h"
   5 #include "nouveau/nouveau_context.h"
   6
   7 #include "nouveau/nouveau_bo.h"
   8
   9 static unsigned int
  10 nouveau_reference_flags(struct nouveau_bo *bo)
  11 {
  12         uint32_t bo_flags;
  13         int flags = 0;
  14
  15         bo_flags = nouveau_bo_pending(bo);
  16         if (bo_flags & NOUVEAU_BO_RD)
  17                 flags |= PIPE_REFERENCED_FOR_READ;
  18         if (bo_flags & NOUVEAU_BO_WR)
  19                 flags |= PIPE_REFERENCED_FOR_WRITE;
  20
  21         return flags;
  22 }
  23
  24 unsigned int
  25 nouveau_is_texture_referenced(struct pipe_context *pipe,
  26                               struct pipe_texture *pt,
  27                               unsigned face, unsigned level)
  28 {
  29         struct nouveau_miptree *mt = nouveau_miptree(pt);
  30
  31         return nouveau_reference_flags(mt->bo);
  32 }
  33
  34 unsigned int
  35 nouveau_is_buffer_referenced(struct pipe_context *pipe, struct pipe_buffer *pb)
  36 {
  37         struct nouveau_bo *bo = nouveau_bo(pb);
  38
  39         return nouveau_reference_flags(bo);
  40 }
  41