Home | History | Annotate | Download | only in nouveau 
      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.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
     93