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 <util/u_math.h>
6 #include <nouveau/nouveau_winsys.h>
7 #include "nv04_context.h"
8 #include "nv04_screen.h"
9 #include "nv04_state.h"
11 struct nv04_transfer
{
12 struct pipe_transfer base
;
13 struct pipe_surface
*surface
;
18 nv04_compatible_transfer_tex(struct pipe_texture
*pt
, unsigned level
,
19 struct pipe_texture
*template)
21 memset(template, 0, sizeof(struct pipe_texture
));
22 template->target
= pt
->target
;
23 template->format
= pt
->format
;
24 template->width0
= u_minify(pt
->width0
, level
);
25 template->height0
= u_minify(pt
->height0
, level
);
27 template->block
= pt
->block
;
28 template->nblocksx
[0] = pt
->nblocksx
[level
];
29 template->nblocksy
[0] = pt
->nblocksx
[level
];
30 template->last_level
= 0;
31 template->nr_samples
= pt
->nr_samples
;
33 template->tex_usage
= PIPE_TEXTURE_USAGE_DYNAMIC
|
34 NOUVEAU_TEXTURE_USAGE_LINEAR
;
37 static struct pipe_transfer
*
38 nv04_transfer_new(struct pipe_screen
*pscreen
, struct pipe_texture
*pt
,
39 unsigned face
, unsigned level
, unsigned zslice
,
40 enum pipe_transfer_usage usage
,
41 unsigned x
, unsigned y
, unsigned w
, unsigned h
)
43 struct nv04_miptree
*mt
= (struct nv04_miptree
*)pt
;
44 struct nv04_transfer
*tx
;
45 struct pipe_texture tx_tex_template
, *tx_tex
;
47 tx
= CALLOC_STRUCT(nv04_transfer
);
51 pipe_texture_reference(&tx
->base
.texture
, pt
);
52 tx
->base
.format
= pt
->format
;
57 tx
->base
.block
= pt
->block
;
58 tx
->base
.nblocksx
= pt
->nblocksx
[level
];
59 tx
->base
.nblocksy
= pt
->nblocksy
[level
];
60 tx
->base
.stride
= mt
->level
[level
].pitch
;
61 tx
->base
.usage
= usage
;
63 tx
->base
.level
= level
;
64 tx
->base
.zslice
= zslice
;
66 /* Direct access to texture */
67 if ((pt
->tex_usage
& PIPE_TEXTURE_USAGE_DYNAMIC
||
68 debug_get_bool_option("NOUVEAU_NO_TRANSFER", TRUE
/*XXX:FALSE*/)) &&
69 pt
->tex_usage
& NOUVEAU_TEXTURE_USAGE_LINEAR
)
72 tx
->surface
= pscreen
->get_tex_surface(pscreen
, pt
,
74 pipe_transfer_buffer_flags(&tx
->base
));
80 nv04_compatible_transfer_tex(pt
, level
, &tx_tex_template
);
82 tx_tex
= pscreen
->texture_create(pscreen
, &tx_tex_template
);
89 tx
->surface
= pscreen
->get_tex_surface(pscreen
, tx_tex
,
91 pipe_transfer_buffer_flags(&tx
->base
));
93 pipe_texture_reference(&tx_tex
, NULL
);
97 pipe_surface_reference(&tx
->surface
, NULL
);
102 if (usage
& PIPE_TRANSFER_READ
) {
103 struct nv04_screen
*nvscreen
= nv04_screen(pscreen
);
104 struct pipe_surface
*src
;
106 src
= pscreen
->get_tex_surface(pscreen
, pt
,
108 PIPE_BUFFER_USAGE_GPU_READ
);
110 /* TODO: Check if SIFM can deal with x,y,w,h when swizzling */
111 /* TODO: Check if SIFM can un-swizzle */
112 nvscreen
->eng2d
->copy(nvscreen
->eng2d
,
115 src
->width
, src
->height
);
117 pipe_surface_reference(&src
, NULL
);
124 nv04_transfer_del(struct pipe_transfer
*ptx
)
126 struct nv04_transfer
*tx
= (struct nv04_transfer
*)ptx
;
128 if (!tx
->direct
&& (ptx
->usage
& PIPE_TRANSFER_WRITE
)) {
129 struct pipe_screen
*pscreen
= ptx
->texture
->screen
;
130 struct nv04_screen
*nvscreen
= nv04_screen(pscreen
);
131 struct pipe_surface
*dst
;
133 dst
= pscreen
->get_tex_surface(pscreen
, ptx
->texture
,
134 ptx
->face
, ptx
->level
, ptx
->zslice
,
135 PIPE_BUFFER_USAGE_GPU_WRITE
);
137 /* TODO: Check if SIFM can deal with x,y,w,h when swizzling */
138 nvscreen
->eng2d
->copy(nvscreen
->eng2d
,
141 dst
->width
, dst
->height
);
143 pipe_surface_reference(&dst
, NULL
);
146 pipe_surface_reference(&tx
->surface
, NULL
);
147 pipe_texture_reference(&ptx
->texture
, NULL
);
152 nv04_transfer_map(struct pipe_screen
*pscreen
, struct pipe_transfer
*ptx
)
154 struct nv04_transfer
*tx
= (struct nv04_transfer
*)ptx
;
155 struct nv04_surface
*ns
= (struct nv04_surface
*)tx
->surface
;
156 struct nv04_miptree
*mt
= (struct nv04_miptree
*)tx
->surface
->texture
;
157 void *map
= pipe_buffer_map(pscreen
, mt
->buffer
,
158 pipe_transfer_buffer_flags(ptx
));
160 return map
+ ns
->base
.offset
+
161 ptx
->y
* ns
->pitch
+ ptx
->x
* ptx
->block
.size
;
165 nv04_transfer_unmap(struct pipe_screen
*pscreen
, struct pipe_transfer
*ptx
)
167 struct nv04_transfer
*tx
= (struct nv04_transfer
*)ptx
;
168 struct nv04_miptree
*mt
= (struct nv04_miptree
*)tx
->surface
->texture
;
170 pipe_buffer_unmap(pscreen
, mt
->buffer
);
174 nv04_screen_init_transfer_functions(struct pipe_screen
*pscreen
)
176 pscreen
->get_tex_transfer
= nv04_transfer_new
;
177 pscreen
->tex_transfer_destroy
= nv04_transfer_del
;
178 pscreen
->transfer_map
= nv04_transfer_map
;
179 pscreen
->transfer_unmap
= nv04_transfer_unmap
;