1 #include <pipe/p_defines.h>
2 #include <pipe/p_screen.h>
3 #include <pipe/p_state.h>
5 #include <util/u_memory.h>
9 #include "nouveau/nouveau_bo.h"
10 #include "nouveau_winsys.h"
11 #include "nouveau_screen.h"
14 nouveau_screen_get_name(struct pipe_screen
*pscreen
)
16 struct nouveau_device
*dev
= nouveau_screen(pscreen
)->device
;
17 static char buffer
[128];
19 snprintf(buffer
, sizeof(buffer
), "NV%02X", dev
->chipset
);
24 nouveau_screen_get_vendor(struct pipe_screen
*pscreen
)
29 static struct pipe_buffer
*
30 nouveau_screen_bo_skel(struct pipe_screen
*pscreen
, struct nouveau_bo
*bo
,
31 unsigned alignment
, unsigned usage
, unsigned size
)
33 struct pipe_buffer
*pb
;
35 pb
= CALLOC(1, sizeof(struct pipe_buffer
)+sizeof(struct nouveau_bo
*));
37 nouveau_bo_ref(NULL
, &bo
);
41 pipe_reference_init(&pb
->reference
, 1);
43 pb
->alignment
= alignment
;
46 *(struct nouveau_bo
**)(pb
+ 1) = bo
;
50 static struct pipe_buffer
*
51 nouveau_screen_bo_new(struct pipe_screen
*pscreen
, unsigned alignment
,
52 unsigned usage
, unsigned size
)
54 struct nouveau_device
*dev
= nouveau_screen(pscreen
)->device
;
55 struct nouveau_bo
*bo
= NULL
;
56 uint32_t flags
= NOUVEAU_BO_MAP
;
59 if (usage
& NOUVEAU_BUFFER_USAGE_TRANSFER
)
60 flags
|= NOUVEAU_BO_GART
;
62 if (usage
& PIPE_BUFFER_USAGE_VERTEX
) {
63 if (pscreen
->get_param(pscreen
, NOUVEAU_CAP_HW_VTXBUF
))
64 flags
|= NOUVEAU_BO_GART
;
66 if (usage
& PIPE_BUFFER_USAGE_INDEX
) {
67 if (pscreen
->get_param(pscreen
, NOUVEAU_CAP_HW_IDXBUF
))
68 flags
|= NOUVEAU_BO_GART
;
71 if (usage
& PIPE_BUFFER_USAGE_PIXEL
) {
72 if (usage
& NOUVEAU_BUFFER_USAGE_TEXTURE
)
73 flags
|= NOUVEAU_BO_GART
;
74 if (!(usage
& PIPE_BUFFER_USAGE_CPU_READ_WRITE
))
75 flags
|= NOUVEAU_BO_VRAM
;
77 if (dev
->chipset
== 0x50 || dev
->chipset
>= 0x80) {
78 flags
|= NOUVEAU_BO_TILED
;
79 if (usage
& NOUVEAU_BUFFER_USAGE_ZETA
)
80 flags
|= NOUVEAU_BO_ZTILE
;
84 ret
= nouveau_bo_new(dev
, flags
, alignment
, size
, &bo
);
88 return nouveau_screen_bo_skel(pscreen
, bo
, alignment
, usage
, size
);
91 static struct pipe_buffer
*
92 nouveau_screen_bo_user(struct pipe_screen
*pscreen
, void *ptr
, unsigned bytes
)
94 struct nouveau_device
*dev
= nouveau_screen(pscreen
)->device
;
95 struct nouveau_bo
*bo
= NULL
;
98 ret
= nouveau_bo_user(dev
, ptr
, bytes
, &bo
);
102 return nouveau_screen_bo_skel(pscreen
, bo
, 0, 0, bytes
);
105 static inline uint32_t
106 nouveau_screen_map_flags(unsigned pipe
)
110 if (pipe
& PIPE_BUFFER_USAGE_CPU_READ
)
111 flags
|= NOUVEAU_BO_RD
;
112 if (pipe
& PIPE_BUFFER_USAGE_CPU_WRITE
)
113 flags
|= NOUVEAU_BO_WR
;
114 if (pipe
& PIPE_BUFFER_USAGE_DISCARD
)
115 flags
|= NOUVEAU_BO_INVAL
;
116 if (pipe
& PIPE_BUFFER_USAGE_DONTBLOCK
)
117 flags
|= NOUVEAU_BO_NOWAIT
;
119 if (pipe
& 0 /*PIPE_BUFFER_USAGE_UNSYNCHRONIZED*/)
120 flags
|= NOUVEAU_BO_NOSYNC
;
126 nouveau_screen_bo_map(struct pipe_screen
*pscreen
, struct pipe_buffer
*pb
,
129 struct nouveau_bo
*bo
= nouveau_bo(pb
);
130 struct nouveau_screen
*nscreen
= nouveau_screen(pscreen
);
133 if (nscreen
->pre_pipebuffer_map_callback
) {
134 ret
= nscreen
->pre_pipebuffer_map_callback(pscreen
, pb
, usage
);
136 debug_printf("pre_pipebuffer_map_callback failed %d\n",
142 ret
= nouveau_bo_map(bo
, nouveau_screen_map_flags(usage
));
144 debug_printf("map failed: %d\n", ret
);
152 nouveau_screen_bo_map_range(struct pipe_screen
*pscreen
, struct pipe_buffer
*pb
,
153 unsigned offset
, unsigned length
, unsigned usage
)
155 struct nouveau_bo
*bo
= nouveau_bo(pb
);
156 struct nouveau_screen
*nscreen
= nouveau_screen(pscreen
);
157 uint32_t flags
= nouveau_screen_map_flags(usage
);
160 if (nscreen
->pre_pipebuffer_map_callback
) {
161 ret
= nscreen
->pre_pipebuffer_map_callback(pscreen
, pb
, usage
);
163 debug_printf("pre_pipebuffer_map_callback failed %d\n",
169 ret
= nouveau_bo_map_range(bo
, offset
, length
, flags
);
171 nouveau_bo_unmap(bo
);
172 if (!(flags
& NOUVEAU_BO_NOWAIT
) || ret
!= -EBUSY
)
173 debug_printf("map_range failed: %d\n", ret
);
177 return (char *)bo
->map
- offset
; /* why gallium? why? */
181 nouveau_screen_bo_map_flush(struct pipe_screen
*pscreen
, struct pipe_buffer
*pb
,
182 unsigned offset
, unsigned length
)
184 struct nouveau_bo
*bo
= nouveau_bo(pb
);
186 nouveau_bo_map_flush(bo
, offset
, length
);
190 nouveau_screen_bo_unmap(struct pipe_screen
*pscreen
, struct pipe_buffer
*pb
)
192 struct nouveau_bo
*bo
= nouveau_bo(pb
);
194 nouveau_bo_unmap(bo
);
198 nouveau_screen_bo_del(struct pipe_buffer
*pb
)
200 struct nouveau_bo
*bo
= nouveau_bo(pb
);
202 nouveau_bo_ref(NULL
, &bo
);
207 nouveau_screen_fence_ref(struct pipe_screen
*pscreen
,
208 struct pipe_fence_handle
**ptr
,
209 struct pipe_fence_handle
*pfence
)
215 nouveau_screen_fence_signalled(struct pipe_screen
*screen
,
216 struct pipe_fence_handle
*pfence
,
223 nouveau_screen_fence_finish(struct pipe_screen
*screen
,
224 struct pipe_fence_handle
*pfence
,
231 nouveau_screen_init(struct nouveau_screen
*screen
, struct nouveau_device
*dev
)
233 struct pipe_screen
*pscreen
= &screen
->base
;
236 ret
= nouveau_channel_alloc(dev
, 0xbeef0201, 0xbeef0202,
240 screen
->device
= dev
;
242 pscreen
->get_name
= nouveau_screen_get_name
;
243 pscreen
->get_vendor
= nouveau_screen_get_vendor
;
245 pscreen
->buffer_create
= nouveau_screen_bo_new
;
246 pscreen
->user_buffer_create
= nouveau_screen_bo_user
;
247 pscreen
->buffer_map
= nouveau_screen_bo_map
;
248 pscreen
->buffer_map_range
= nouveau_screen_bo_map_range
;
249 pscreen
->buffer_flush_mapped_range
= nouveau_screen_bo_map_flush
;
250 pscreen
->buffer_unmap
= nouveau_screen_bo_unmap
;
251 pscreen
->buffer_destroy
= nouveau_screen_bo_del
;
253 pscreen
->fence_reference
= nouveau_screen_fence_ref
;
254 pscreen
->fence_signalled
= nouveau_screen_fence_signalled
;
255 pscreen
->fence_finish
= nouveau_screen_fence_finish
;
261 nouveau_screen_fini(struct nouveau_screen
*screen
)
263 nouveau_channel_free(&screen
->channel
);