src/gallium/drivers/nouveau/nouveau_winsys.h

   1 #ifndef NOUVEAU_WINSYS_H
   2 #define NOUVEAU_WINSYS_H
   3
   4 #include <stdint.h>
   5 #include <inttypes.h>
   6
   7 #include "pipe/p_defines.h"
   8
   9 #include <libdrm/nouveau.h>
  10
  11 #ifndef NV04_PFIFO_MAX_PACKET_LEN
  12 #define NV04_PFIFO_MAX_PACKET_LEN 2047
  13 #endif
  14
  15 static INLINE uint32_t
  16 PUSH_AVAIL(struct nouveau_pushbuf *push)
  17 {
  18    return push->end - push->cur;
  19 }
  20
  21 static INLINE boolean
  22 PUSH_SPACE(struct nouveau_pushbuf *push, uint32_t size)
  23 {
  24    if (PUSH_AVAIL(push) < size)
  25       return nouveau_pushbuf_space(push, size, 0, 0) == 0;
  26    return TRUE;
  27 }
  28
  29 static INLINE void
  30 PUSH_DATA(struct nouveau_pushbuf *push, uint32_t data)
  31 {
  32    *push->cur++ = data;
  33 }
  34
  35 static INLINE void
  36 PUSH_DATAp(struct nouveau_pushbuf *push, const void *data, uint32_t size)
  37 {
  38    memcpy(push->cur, data, size * 4);
  39    push->cur += size;
  40 }
  41
  42 static INLINE void
  43 PUSH_DATAf(struct nouveau_pushbuf *push, float f)
  44 {
  45    union { float f; uint32_t i; } u;
  46    u.f = f;
  47    PUSH_DATA(push, u.i);
  48 }
  49
  50 static INLINE void
  51 PUSH_KICK(struct nouveau_pushbuf *push)
  52 {
  53    nouveau_pushbuf_kick(push, push->channel);
  54 }
  55
  56
  57 #define NOUVEAU_RESOURCE_FLAG_LINEAR   (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
  58 #define NOUVEAU_RESOURCE_FLAG_DRV_PRIV (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
  59
  60 static INLINE uint32_t
  61 nouveau_screen_transfer_flags(unsigned pipe)
  62 {
  63         uint32_t flags = 0;
  64
  65         if (!(pipe & PIPE_TRANSFER_UNSYNCHRONIZED)) {
  66                 if (pipe & PIPE_TRANSFER_READ)
  67                         flags |= NOUVEAU_BO_RD;
  68                 if (pipe & PIPE_TRANSFER_WRITE)
  69                         flags |= NOUVEAU_BO_WR;
  70                 if (pipe & PIPE_TRANSFER_DONTBLOCK)
  71                         flags |= NOUVEAU_BO_NOBLOCK;
  72         }
  73
  74         return flags;
  75 }
  76
  77 extern struct pipe_screen *
  78 nv50_screen_create(struct nouveau_device *);
  79
  80 extern struct pipe_screen *
  81 nvc0_screen_create(struct nouveau_device *);
  82
  83 #endif