1 #include <pipe/p_state.h>
2 #include <pipe/p_defines.h>
3 #include <pipe/p_inlines.h>
4 #include <util/u_memory.h>
5 #include <nouveau/nouveau_winsys.h>
6 #include "nv10_context.h"
7 #include "nv10_screen.h"
8 #include "nv10_state.h"
10 struct nv10_transfer
{
11 struct pipe_transfer base
;
12 struct pipe_surface
*surface
;
17 nv10_compatible_transfer_tex(struct pipe_texture
*pt
, unsigned level
,
18 struct pipe_texture
*template)
20 memset(template, 0, sizeof(struct pipe_texture
));
21 template->target
= pt
->target
;
22 template->format
= pt
->format
;
23 template->width
[0] = pt
->width
[level
];
24 template->height
[0] = pt
->height
[level
];
25 template->depth
[0] = 1;
26 template->block
= pt
->block
;
27 template->nblocksx
[0] = pt
->nblocksx
[level
];
28 template->nblocksy
[0] = pt
->nblocksx
[level
];
29 template->last_level
= 0;
30 template->nr_samples
= pt
->nr_samples
;
32 template->tex_usage
= PIPE_TEXTURE_USAGE_DYNAMIC
|
33 NOUVEAU_TEXTURE_USAGE_LINEAR
;
36 static struct pipe_transfer
*
37 nv10_transfer_new(struct pipe_screen
*pscreen
, struct pipe_texture
*pt
,
38 unsigned face
, unsigned level
, unsigned zslice
,
39 enum pipe_transfer_usage usage
,
40 unsigned x
, unsigned y
, unsigned w
, unsigned h
)
42 struct nv10_miptree
*mt
= (struct nv10_miptree
*)pt
;
43 struct nv10_transfer
*tx
;
44 struct pipe_texture tx_tex_template
, *tx_tex
;
46 tx
= CALLOC_STRUCT(nv10_transfer
);
50 pipe_texture_reference(&tx
->base
.texture
, pt
);
51 tx
->base
.format
= pt
->format
;
56 tx
->base
.block
= pt
->block
;
57 tx
->base
.nblocksx
= pt
->nblocksx
[level
];
58 tx
->base
.nblocksy
= pt
->nblocksy
[level
];
59 tx
->base
.stride
= mt
->level
[level
].pitch
;
60 tx
->base
.usage
= usage
;
62 tx
->base
.level
= level
;
63 tx
->base
.zslice
= zslice
;
65 /* Direct access to texture */
66 if ((pt
->tex_usage
& PIPE_TEXTURE_USAGE_DYNAMIC
||
67 debug_get_bool_option("NOUVEAU_NO_TRANSFER", TRUE
/*XXX:FALSE*/)) &&
68 pt
->tex_usage
& NOUVEAU_TEXTURE_USAGE_LINEAR
)
71 tx
->surface
= pscreen
->get_tex_surface(pscreen
, pt
,
73 pipe_transfer_buffer_flags(&tx
->base
));
79 nv10_compatible_transfer_tex(pt
, level
, &tx_tex_template
);
81 tx_tex
= pscreen
->texture_create(pscreen
, &tx_tex_template
);
88 tx
->surface
= pscreen
->get_tex_surface(pscreen
, tx_tex
,
90 pipe_transfer_buffer_flags(&tx
->base
));
92 pipe_texture_reference(&tx_tex
, NULL
);
96 pipe_surface_reference(&tx
->surface
, NULL
);
101 if (usage
& PIPE_TRANSFER_READ
) {
102 struct nv10_screen
*nvscreen
= nv10_screen(pscreen
);
103 struct pipe_surface
*src
;
105 src
= pscreen
->get_tex_surface(pscreen
, pt
,
107 PIPE_BUFFER_USAGE_GPU_READ
);
109 /* TODO: Check if SIFM can deal with x,y,w,h when swizzling */
110 /* TODO: Check if SIFM can un-swizzle */
111 nvscreen
->eng2d
->copy(nvscreen
->eng2d
,
114 src
->width
, src
->height
);
116 pipe_surface_reference(&src
, NULL
);
123 nv10_transfer_del(struct pipe_transfer
*ptx
)
125 struct nv10_transfer
*tx
= (struct nv10_transfer
*)ptx
;
127 if (!tx
->direct
&& (ptx
->usage
& PIPE_TRANSFER_WRITE
)) {
128 struct pipe_screen
*pscreen
= ptx
->texture
->screen
;
129 struct nv10_screen
*nvscreen
= nv10_screen(pscreen
);
130 struct pipe_surface
*dst
;
132 dst
= pscreen
->get_tex_surface(pscreen
, ptx
->texture
,
133 ptx
->face
, ptx
->level
, ptx
->zslice
,
134 PIPE_BUFFER_USAGE_GPU_WRITE
);
136 /* TODO: Check if SIFM can deal with x,y,w,h when swizzling */
137 nvscreen
->eng2d
->copy(nvscreen
->eng2d
,
140 dst
->width
, dst
->height
);
142 pipe_surface_reference(&dst
, NULL
);
145 pipe_surface_reference(&tx
->surface
, NULL
);
146 pipe_texture_reference(&ptx
->texture
, NULL
);
151 nv10_transfer_map(struct pipe_screen
*pscreen
, struct pipe_transfer
*ptx
)
153 struct nv10_transfer
*tx
= (struct nv10_transfer
*)ptx
;
154 struct nv04_surface
*ns
= (struct nv04_surface
*)tx
->surface
;
155 struct nv10_miptree
*mt
= (struct nv10_miptree
*)tx
->surface
->texture
;
156 void *map
= pipe_buffer_map(pscreen
, mt
->buffer
,
157 pipe_transfer_buffer_flags(ptx
));
159 return map
+ ns
->base
.offset
+
160 ptx
->y
* ns
->pitch
+ ptx
->x
* ptx
->block
.size
;
164 nv10_transfer_unmap(struct pipe_screen
*pscreen
, struct pipe_transfer
*ptx
)
166 struct nv10_transfer
*tx
= (struct nv10_transfer
*)ptx
;
167 struct nv10_miptree
*mt
= (struct nv10_miptree
*)tx
->surface
->texture
;
169 pipe_buffer_unmap(pscreen
, mt
->buffer
);
173 nv10_screen_init_transfer_functions(struct pipe_screen
*pscreen
)
175 pscreen
->get_tex_transfer
= nv10_transfer_new
;
176 pscreen
->tex_transfer_destroy
= nv10_transfer_del
;
177 pscreen
->transfer_map
= nv10_transfer_map
;
178 pscreen
->transfer_unmap
= nv10_transfer_unmap
;