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 "drm-uapi/drm.h"
  10 #include <nouveau.h>
  11
  12 #ifndef NV04_PFIFO_MAX_PACKET_LEN
  13 #define NV04_PFIFO_MAX_PACKET_LEN 2047
  14 #endif
  15
  16 #define NOUVEAU_MIN_BUFFER_MAP_ALIGN      64
  17 #define NOUVEAU_MIN_BUFFER_MAP_ALIGN_MASK (NOUVEAU_MIN_BUFFER_MAP_ALIGN - 1)
  18
  19 static inline uint32_t
  20 PUSH_AVAIL(struct nouveau_pushbuf *push)
  21 {
  22    return push->end - push->cur;
  23 }
  24
  25 static inline bool
  26 PUSH_SPACE(struct nouveau_pushbuf *push, uint32_t size)
  27 {
  28    /* Provide a buffer so that fences always have room to be emitted */
  29    size += 8;
  30    if (PUSH_AVAIL(push) < size)
  31       return nouveau_pushbuf_space(push, size, 0, 0) == 0;
  32    return true;
  33 }
  34
  35 static inline void
  36 PUSH_DATA(struct nouveau_pushbuf *push, uint32_t data)
  37 {
  38    *push->cur++ = data;
  39 }
  40
  41 static inline void
  42 PUSH_DATAp(struct nouveau_pushbuf *push, const void *data, uint32_t size)
  43 {
  44    memcpy(push->cur, data, size * 4);
  45    push->cur += size;
  46 }
  47
  48 static inline void
  49 PUSH_DATAf(struct nouveau_pushbuf *push, float f)
  50 {
  51    union { float f; uint32_t i; } u;
  52    u.f = f;
  53    PUSH_DATA(push, u.i);
  54 }
  55
  56 static inline void
  57 PUSH_KICK(struct nouveau_pushbuf *push)
  58 {
  59    nouveau_pushbuf_kick(push, push->channel);
  60 }
  61
  62
  63 #define NOUVEAU_RESOURCE_FLAG_LINEAR   (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
  64 #define NOUVEAU_RESOURCE_FLAG_DRV_PRIV (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
  65
  66 static inline uint32_t
  67 nouveau_screen_transfer_flags(unsigned pipe)
  68 {
  69    uint32_t flags = 0;
  70
  71    if (!(pipe & PIPE_TRANSFER_UNSYNCHRONIZED)) {
  72       if (pipe & PIPE_TRANSFER_READ)
  73          flags |= NOUVEAU_BO_RD;
  74       if (pipe & PIPE_TRANSFER_WRITE)
  75          flags |= NOUVEAU_BO_WR;
  76       if (pipe & PIPE_TRANSFER_DONTBLOCK)
  77          flags |= NOUVEAU_BO_NOBLOCK;
  78    }
  79
  80    return flags;
  81 }
  82
  83 extern struct nouveau_screen *
  84 nv30_screen_create(struct nouveau_device *);
  85
  86 extern struct nouveau_screen *
  87 nv50_screen_create(struct nouveau_device *);
  88
  89 extern struct nouveau_screen *
  90 nvc0_screen_create(struct nouveau_device *);
  91
  92 #endif