1 #include "pipe/p_state.h"
2 #include "pipe/p_defines.h"
3 #include "pipe/p_inlines.h"
5 #include "nv40_context.h"
8 nv40_miptree_layout(struct nv40_miptree
*nv40mt
)
10 struct pipe_texture
*pt
= &nv40mt
->base
;
11 boolean swizzled
= FALSE
;
12 uint width
= pt
->width
[0], height
= pt
->height
[0], depth
= pt
->depth
[0];
14 int nr_faces
, l
, f
, pitch
;
16 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
19 if (pt
->target
== PIPE_TEXTURE_3D
) {
20 nr_faces
= pt
->depth
[0];
26 for (l
= 0; l
<= pt
->last_level
; l
++) {
28 pt
->height
[l
] = height
;
30 pt
->nblocksx
[l
] = pf_get_nblocksx(&pt
->block
, width
);
31 pt
->nblocksy
[l
] = pf_get_nblocksy(&pt
->block
, height
);
34 pitch
= pt
->nblocksx
[l
];
35 pitch
= align(pitch
, 64);
37 nv40mt
->level
[l
].pitch
= pitch
* pt
->block
.size
;
38 nv40mt
->level
[l
].image_offset
=
39 CALLOC(nr_faces
, sizeof(unsigned));
41 width
= MAX2(1, width
>> 1);
42 height
= MAX2(1, height
>> 1);
43 depth
= MAX2(1, depth
>> 1);
46 for (f
= 0; f
< nr_faces
; f
++) {
47 for (l
= 0; l
<= pt
->last_level
; l
++) {
48 nv40mt
->level
[l
].image_offset
[f
] = offset
;
49 offset
+= nv40mt
->level
[l
].pitch
* pt
->height
[l
];
53 nv40mt
->total_size
= offset
;
56 static struct pipe_texture
*
57 nv40_miptree_create(struct pipe_screen
*pscreen
, const struct pipe_texture
*pt
)
59 struct pipe_winsys
*ws
= pscreen
->winsys
;
60 struct nv40_miptree
*mt
;
62 mt
= MALLOC(sizeof(struct nv40_miptree
));
66 mt
->base
.refcount
= 1;
67 mt
->base
.screen
= pscreen
;
69 nv40_miptree_layout(mt
);
71 mt
->buffer
= ws
->buffer_create(ws
, 256,
72 PIPE_BUFFER_USAGE_PIXEL
|
73 NOUVEAU_BUFFER_USAGE_TEXTURE
,
84 nv40_miptree_release(struct pipe_screen
*pscreen
, struct pipe_texture
**pt
)
86 struct pipe_texture
*mt
= *pt
;
89 if (--mt
->refcount
<= 0) {
90 struct nv40_miptree
*nv40mt
= (struct nv40_miptree
*)mt
;
93 pipe_buffer_reference(pscreen
, &nv40mt
->buffer
, NULL
);
94 for (l
= 0; l
<= mt
->last_level
; l
++) {
95 if (nv40mt
->level
[l
].image_offset
)
96 FREE(nv40mt
->level
[l
].image_offset
);
102 static struct pipe_surface
*
103 nv40_miptree_surface_new(struct pipe_screen
*pscreen
, struct pipe_texture
*pt
,
104 unsigned face
, unsigned level
, unsigned zslice
,
107 struct nv40_miptree
*nv40mt
= (struct nv40_miptree
*)pt
;
108 struct pipe_surface
*ps
;
110 ps
= CALLOC_STRUCT(pipe_surface
);
113 pipe_texture_reference(&ps
->texture
, pt
);
114 pipe_buffer_reference(pscreen
, &ps
->buffer
, nv40mt
->buffer
);
115 ps
->format
= pt
->format
;
116 ps
->width
= pt
->width
[level
];
117 ps
->height
= pt
->height
[level
];
118 ps
->block
= pt
->block
;
119 ps
->nblocksx
= pt
->nblocksx
[level
];
120 ps
->nblocksy
= pt
->nblocksy
[level
];
121 ps
->stride
= nv40mt
->level
[level
].pitch
;
123 ps
->status
= PIPE_SURFACE_STATUS_DEFINED
;
125 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
126 ps
->offset
= nv40mt
->level
[level
].image_offset
[face
];
128 if (pt
->target
== PIPE_TEXTURE_3D
) {
129 ps
->offset
= nv40mt
->level
[level
].image_offset
[zslice
];
131 ps
->offset
= nv40mt
->level
[level
].image_offset
[0];
138 nv40_miptree_surface_del(struct pipe_screen
*pscreen
,
139 struct pipe_surface
**psurface
)
141 struct pipe_surface
*ps
= *psurface
;
144 if (--ps
->refcount
> 0)
147 pipe_texture_reference(&ps
->texture
, NULL
);
148 pipe_buffer_reference(pscreen
, &ps
->buffer
, NULL
);
153 nv40_screen_init_miptree_functions(struct pipe_screen
*pscreen
)
155 pscreen
->texture_create
= nv40_miptree_create
;
156 pscreen
->texture_release
= nv40_miptree_release
;
157 pscreen
->get_tex_surface
= nv40_miptree_surface_new
;
158 pscreen
->tex_surface_release
= nv40_miptree_surface_del
;