src/gallium/drivers/nouveau/nouveau_stateobj.h

   1 #ifndef __NOUVEAU_STATEOBJ_H__
   2 #define __NOUVEAU_STATEOBJ_H__
   3
   4 #include "util/u_debug.h"
   5
   6 struct nouveau_stateobj_reloc {
   7         struct nouveau_bo *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         struct pipe_reference reference;
  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         pipe_reference_init(&so->reference, 1);
  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         int i;
  50
  51         if (pipe_reference(&(*pso)->reference, &ref->reference)) {
  52                 free(so->push);
  53                 for (i = 0; i < so->cur_reloc; i++)
  54                         nouveau_bo_ref(NULL, &so->reloc[i].bo);
  55                 free(so->reloc);
  56                 free(so);
  57         }
  58         *pso = ref;
  59 }
  60
  61 static INLINE void
  62 so_data(struct nouveau_stateobj *so, unsigned data)
  63 {
  64         (*so->cur++) = (data);
  65         so->cur_packet += 4;
  66 }
  67
  68 static INLINE void
  69 so_datap(struct nouveau_stateobj *so, unsigned *data, unsigned size)
  70 {
  71         so->cur_packet += (4 * size);
  72         while (size--)
  73                 (*so->cur++) = (*data++);
  74 }
  75
  76 static INLINE void
  77 so_method(struct nouveau_stateobj *so, struct nouveau_grobj *gr,
  78           unsigned mthd, unsigned size)
  79 {
  80         so->cur_packet = (gr->subc << 13) | (1 << 18) | (mthd - 4);
  81         so_data(so, (gr->subc << 13) | (size << 18) | mthd);
  82 }
  83
  84 static INLINE void
  85 so_reloc(struct nouveau_stateobj *so, struct nouveau_bo *bo,
  86          unsigned data, unsigned flags, unsigned vor, unsigned tor)
  87 {
  88         struct nouveau_stateobj_reloc *r = &so->reloc[so->cur_reloc++];
  89
  90         r->bo = NULL;
  91         nouveau_bo_ref(bo, &r->bo);
  92         r->offset = so->cur - so->push;
  93         r->packet = so->cur_packet;
  94         r->data = data;
  95         r->flags = flags;
  96         r->vor = vor;
  97         r->tor = tor;
  98         so_data(so, data);
  99 }
 100
 101 static INLINE void
 102 so_dump(struct nouveau_stateobj *so)
 103 {
 104         unsigned i, nr = so->cur - so->push;
 105
 106         for (i = 0; i < nr; i++)
 107                 debug_printf("+0x%04x: 0x%08x\n", i, so->push[i]);
 108 }
 109
 110 static INLINE void
 111 so_emit(struct nouveau_channel *chan, struct nouveau_stateobj *so)
 112 {
 113         struct nouveau_pushbuf *pb = chan->pushbuf;
 114         unsigned nr, i;
 115
 116         nr = so->cur - so->push;
 117         if (pb->remaining < nr)
 118                 nouveau_pushbuf_flush(chan, nr);
 119         pb->remaining -= nr;
 120
 121         memcpy(pb->cur, so->push, nr * 4);
 122         for (i = 0; i < so->cur_reloc; i++) {
 123                 struct nouveau_stateobj_reloc *r = &so->reloc[i];
 124
 125                 nouveau_pushbuf_emit_reloc(chan, pb->cur + r->offset,
 126                                            r->bo, r->data, 0, r->flags,
 127                                            r->vor, r->tor);
 128         }
 129         pb->cur += nr;
 130 }
 131
 132 static INLINE void
 133 so_emit_reloc_markers(struct nouveau_channel *chan, struct nouveau_stateobj *so)
 134 {
 135         struct nouveau_pushbuf *pb = chan->pushbuf;
 136         unsigned i;
 137
 138         if (!so)
 139                 return;
 140
 141         i = so->cur_reloc << 1;
 142         if (pb->remaining < i)
 143                 nouveau_pushbuf_flush(chan, i);
 144         pb->remaining -= i;
 145
 146         for (i = 0; i < so->cur_reloc; i++) {
 147                 struct nouveau_stateobj_reloc *r = &so->reloc[i];
 148
 149                 nouveau_pushbuf_emit_reloc(chan, pb->cur++, r->bo, r->packet, 0,
 150                                            (r->flags & (NOUVEAU_BO_VRAM |
 151                                                         NOUVEAU_BO_GART |
 152                                                         NOUVEAU_BO_RDWR)) |
 153                                            NOUVEAU_BO_DUMMY, 0, 0);
 154                 nouveau_pushbuf_emit_reloc(chan, pb->cur++, r->bo, r->data, 0,
 155                                            r->flags | NOUVEAU_BO_DUMMY,
 156                                            r->vor, r->tor);
 157         }
 158 }
 159
 160 #endif