src/gallium/drivers/nvc0/nvc0_fence.h

   1
   2 #ifndef __NVC0_FENCE_H__
   3 #define __NVC0_FENCE_H__
   4
   5 #include "util/u_inlines.h"
   6
   7 struct nvc0_fence_trigger {
   8    void (*func)(void *);
   9    void *arg;
  10    struct nvc0_fence_trigger *next;
  11 };
  12
  13 #define NVC0_FENCE_STATE_EMITTED   1
  14 #define NVC0_FENCE_STATE_SIGNALLED 2
  15
  16 /* reference first, so pipe_reference works directly */
  17 struct nvc0_fence {
  18    struct pipe_reference reference;
  19    struct nvc0_fence *next;
  20    struct nvc0_screen *screen;
  21    int state;
  22    uint32_t sequence;
  23    struct nvc0_fence_trigger trigger;
  24 };
  25
  26 void nvc0_fence_emit(struct nvc0_fence *);
  27 void nvc0_fence_del(struct nvc0_fence *);
  28
  29 boolean nvc0_fence_wait(struct nvc0_fence *);
  30
  31 static INLINE void
  32 nvc0_fence_reference(struct nvc0_fence **ref, struct nvc0_fence *fence)
  33 {
  34    if (pipe_reference(&(*ref)->reference, &fence->reference))
  35       nvc0_fence_del(*ref);
  36
  37    *ref = fence;
  38 }
  39
  40 #endif // __NVC0_FENCE_H__