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_DATAb(struct nouveau_pushbuf *push, const void *data, uint32_t size)
  50 {
  51    memcpy(push->cur, data, size);
  52    push->cur += DIV_ROUND_UP(size, 4);
  53 }
  54
  55 static inline void
  56 PUSH_DATAf(struct nouveau_pushbuf *push, float f)
  57 {
  58    union { float f; uint32_t i; } u;
  59    u.f = f;
  60    PUSH_DATA(push, u.i);
  61 }
  62
  63 static inline void
  64 PUSH_KICK(struct nouveau_pushbuf *push)
  65 {
  66    nouveau_pushbuf_kick(push, push->channel);
  67 }
  68
  69
  70 #define NOUVEAU_RESOURCE_FLAG_LINEAR   (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
  71 #define NOUVEAU_RESOURCE_FLAG_DRV_PRIV (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
  72
  73 static inline uint32_t
  74 nouveau_screen_transfer_flags(unsigned pipe)
  75 {
  76    uint32_t flags = 0;
  77
  78    if (!(pipe & PIPE_TRANSFER_UNSYNCHRONIZED)) {
  79       if (pipe & PIPE_TRANSFER_READ)
  80          flags |= NOUVEAU_BO_RD;
  81       if (pipe & PIPE_TRANSFER_WRITE)
  82          flags |= NOUVEAU_BO_WR;
  83       if (pipe & PIPE_TRANSFER_DONTBLOCK)
  84          flags |= NOUVEAU_BO_NOBLOCK;
  85    }
  86
  87    return flags;
  88 }
  89
  90 extern struct nouveau_screen *
  91 nv30_screen_create(struct nouveau_device *);
  92
  93 extern struct nouveau_screen *
  94 nv50_screen_create(struct nouveau_device *);
  95
  96 extern struct nouveau_screen *
  97 nvc0_screen_create(struct nouveau_device *);
  98
  99 #endif