src/gallium/drivers/nouveau/nouveau_stateobj.h

   1 #ifndef __NOUVEAU_STATEOBJ_H__
   2 #define __NOUVEAU_STATEOBJ_H__
   3
   4 #include "pipe/p_debug.h"
   5
   6 struct nouveau_stateobj_reloc {
   7         struct pipe_buffer *bo;
   8
   9         unsigned offset;
  10         unsigned packet;
  11
  12         unsigned data;
  13         unsigned flags;
  14         unsigned vor;
  15         unsigned tor;
  16 };
  17
  18 struct nouveau_stateobj {
  19         int refcount;
  20
  21         unsigned *push;
  22         struct nouveau_stateobj_reloc *reloc;
  23
  24         unsigned *cur;
  25         unsigned cur_packet;
  26         unsigned cur_reloc;
  27 };
  28
  29 static INLINE struct nouveau_stateobj *
  30 so_new(unsigned push, unsigned reloc)
  31 {
  32         struct nouveau_stateobj *so;
  33
  34         so = MALLOC(sizeof(struct nouveau_stateobj));
  35         so->refcount = 0;
  36         so->push = MALLOC(sizeof(unsigned) * push);
  37         so->reloc = MALLOC(sizeof(struct nouveau_stateobj_reloc) * reloc);
  38
  39         so->cur = so->push;
  40         so->cur_reloc = so->cur_packet = 0;
  41
  42         return so;
  43 }
  44
  45 static INLINE void
  46 so_ref(struct nouveau_stateobj *ref, struct nouveau_stateobj **pso)
  47 {
  48         struct nouveau_stateobj *so = *pso;
  49
  50         if (ref) {
  51                 ref->refcount++;
  52         }
  53
  54         if (so && --so->refcount <= 0) {
  55                 free(so->push);
  56                 free(so->reloc);
  57                 free(so);
  58         }
  59
  60         *pso = ref;
  61 }
  62
  63 static INLINE void
  64 so_data(struct nouveau_stateobj *so, unsigned data)
  65 {
  66         (*so->cur++) = (data);
  67         so->cur_packet += 4;
  68 }
  69
  70 static INLINE void
  71 so_datap(struct nouveau_stateobj *so, unsigned *data, unsigned size)
  72 {
  73         so->cur_packet += (4 * size);
  74         while (size--)
  75                 (*so->cur++) = (*data++);
  76 }
  77
  78 static INLINE void
  79 so_method(struct nouveau_stateobj *so, struct nouveau_grobj *gr,
  80           unsigned mthd, unsigned size)
  81 {
  82         so->cur_packet = (gr->subc << 13) | (1 << 18) | (mthd - 4);
  83         so_data(so, (gr->subc << 13) | (size << 18) | mthd);
  84 }
  85
  86 static INLINE void
  87 so_reloc(struct nouveau_stateobj *so, struct pipe_buffer *bo,
  88          unsigned data, unsigned flags, unsigned vor, unsigned tor)
  89 {
  90         struct nouveau_stateobj_reloc *r = &so->reloc[so->cur_reloc++];
  91
  92         r->bo = bo;
  93         r->offset = so->cur - so->push;
  94         r->packet = so->cur_packet;
  95         r->data = data;
  96         r->flags = flags;
  97         r->vor = vor;
  98         r->tor = tor;
  99         so_data(so, data);
 100 }
 101
 102 static INLINE void
 103 so_dump(struct nouveau_stateobj *so)
 104 {
 105         unsigned i, nr = so->cur - so->push;
 106
 107         for (i = 0; i < nr; i++)
 108                 debug_printf("+0x%04x: 0x%08x\n", i, so->push[i]);
 109 }
 110
 111 static INLINE void
 112 so_emit(struct nouveau_winsys *nvws, struct nouveau_stateobj *so)
 113 {
 114         struct nouveau_pushbuf *pb = nvws->channel->pushbuf;
 115         unsigned nr, i;
 116
 117         nr = so->cur - so->push;
 118         if (pb->remaining < nr)
 119                 nvws->push_flush(nvws, nr, NULL);
 120         pb->remaining -= nr;
 121
 122         memcpy(pb->cur, so->push, nr * 4);
 123         for (i = 0; i < so->cur_reloc; i++) {
 124                 struct nouveau_stateobj_reloc *r = &so->reloc[i];
 125
 126                 nvws->push_reloc(nvws, pb->cur + r->offset, r->bo,
 127                                  r->data, r->flags, r->vor, r->tor);
 128         }
 129         pb->cur += nr;
 130 }
 131
 132 static INLINE void
 133 so_emit_reloc_markers(struct nouveau_winsys *nvws, struct nouveau_stateobj *so)
 134 {
 135         struct nouveau_pushbuf *pb = nvws->channel->pushbuf;
 136         unsigned i;
 137
 138         if (!so)
 139                 return;
 140
 141         i = so->cur_reloc << 1;
 142         if (nvws->channel->pushbuf->remaining < i)
 143                 nvws->push_flush(nvws, i, NULL);
 144         nvws->channel->pushbuf->remaining -= i;
 145
 146         for (i = 0; i < so->cur_reloc; i++) {
 147                 struct nouveau_stateobj_reloc *r = &so->reloc[i];
 148
 149                 nvws->push_reloc(nvws, pb->cur++, r->bo, r->packet,
 150                                  (r->flags &
 151                                   (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART)) |
 152                                  NOUVEAU_BO_DUMMY, 0, 0);
 153                 nvws->push_reloc(nvws, pb->cur++, r->bo, r->data,
 154                                  r->flags | NOUVEAU_BO_DUMMY, r->vor, r->tor);
 155         }
 156 }
 157
 158 #endif