2 * Copyright 2008 Ben Skeggs
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #include "pipe/p_state.h"
24 #include "pipe/p_defines.h"
25 #include "pipe/p_inlines.h"
27 #include "nv50_context.h"
29 static struct pipe_texture
*
30 nv50_miptree_create(struct pipe_screen
*pscreen
, const struct pipe_texture
*tmp
)
32 struct nouveau_device
*dev
= nouveau_screen(pscreen
)->device
;
33 struct nv50_miptree
*mt
= CALLOC_STRUCT(nv50_miptree
);
34 struct pipe_texture
*pt
= &mt
->base
;
35 unsigned width
= tmp
->width
[0], height
= tmp
->height
[0];
36 unsigned depth
= tmp
->depth
[0];
37 uint32_t tile_mode
, tile_flags
, tile_h
;
41 pipe_reference_init(&mt
->base
.reference
, 1);
42 mt
->base
.screen
= pscreen
;
45 case PIPE_FORMAT_Z24X8_UNORM
:
46 case PIPE_FORMAT_Z24S8_UNORM
:
47 case PIPE_FORMAT_Z16_UNORM
:
55 if (pt
->height
[0] > 32) tile_mode
= 4;
56 else if (pt
->height
[0] > 16) tile_mode
= 3;
57 else if (pt
->height
[0] > 8) tile_mode
= 2;
58 else if (pt
->height
[0] > 4) tile_mode
= 1;
60 tile_h
= 1 << (tile_mode
+ 2);
64 mt
->image_nr
= pt
->depth
[0];
66 case PIPE_TEXTURE_CUBE
:
74 for (l
= 0; l
<= pt
->last_level
; l
++) {
75 struct nv50_miptree_level
*lvl
= &mt
->level
[l
];
78 pt
->height
[l
] = height
;
80 pt
->nblocksx
[l
] = pf_get_nblocksx(&pt
->block
, width
);
81 pt
->nblocksy
[l
] = pf_get_nblocksy(&pt
->block
, height
);
83 lvl
->image_offset
= CALLOC(mt
->image_nr
, sizeof(int));
84 lvl
->pitch
= align(pt
->width
[l
] * pt
->block
.size
, 64);
86 width
= MAX2(1, width
>> 1);
87 height
= MAX2(1, height
>> 1);
88 depth
= MAX2(1, depth
>> 1);
91 for (i
= 0; i
< mt
->image_nr
; i
++) {
92 for (l
= 0; l
<= pt
->last_level
; l
++) {
93 struct nv50_miptree_level
*lvl
= &mt
->level
[l
];
96 size
= align(pt
->width
[l
], 8) * pt
->block
.size
;
97 size
= align(size
, 64);
98 size
*= align(pt
->height
[l
], tile_h
) * pt
->block
.size
;
100 lvl
->image_offset
[i
] = mt
->total_size
;
102 mt
->total_size
+= size
;
106 ret
= nouveau_bo_new_tile(dev
, NOUVEAU_BO_VRAM
, 256, mt
->total_size
,
107 tile_mode
, tile_flags
, &mt
->bo
);
116 static struct pipe_texture
*
117 nv50_miptree_blanket(struct pipe_screen
*pscreen
, const struct pipe_texture
*pt
,
118 const unsigned *stride
, struct pipe_buffer
*pb
)
120 struct nouveau_bo
*bo
= nouveau_bo(pb
);
121 struct nv50_miptree
*mt
;
123 /* Only supports 2D, non-mipmapped textures for the moment */
124 if (pt
->target
!= PIPE_TEXTURE_2D
|| pt
->last_level
!= 0 ||
128 mt
= CALLOC_STRUCT(nv50_miptree
);
133 pipe_reference_init(&mt
->base
.reference
, 1);
134 mt
->base
.screen
= pscreen
;
136 mt
->level
[0].pitch
= *stride
;
137 mt
->level
[0].image_offset
= CALLOC(1, sizeof(unsigned));
139 nouveau_bo_ref(bo
, &mt
->bo
);
144 nv50_miptree_destroy(struct pipe_texture
*pt
)
146 struct nv50_miptree
*mt
= nv50_miptree(pt
);
148 nouveau_bo_ref(NULL
, &mt
->bo
);
152 static struct pipe_surface
*
153 nv50_miptree_surface_new(struct pipe_screen
*pscreen
, struct pipe_texture
*pt
,
154 unsigned face
, unsigned level
, unsigned zslice
,
157 struct nv50_miptree
*mt
= nv50_miptree(pt
);
158 struct nv50_miptree_level
*lvl
= &mt
->level
[level
];
159 struct pipe_surface
*ps
;
162 if (pt
->target
== PIPE_TEXTURE_CUBE
)
165 if (pt
->target
== PIPE_TEXTURE_3D
)
170 ps
= CALLOC_STRUCT(pipe_surface
);
173 pipe_texture_reference(&ps
->texture
, pt
);
174 ps
->format
= pt
->format
;
175 ps
->width
= pt
->width
[level
];
176 ps
->height
= pt
->height
[level
];
178 pipe_reference_init(&ps
->reference
, 1);
182 ps
->offset
= lvl
->image_offset
[img
];
188 nv50_miptree_surface_del(struct pipe_surface
*ps
)
190 struct nv50_surface
*s
= nv50_surface(ps
);
192 pipe_texture_reference(&ps
->texture
, NULL
);
197 nv50_screen_init_miptree_functions(struct pipe_screen
*pscreen
)
199 pscreen
->texture_create
= nv50_miptree_create
;
200 pscreen
->texture_blanket
= nv50_miptree_blanket
;
201 pscreen
->texture_destroy
= nv50_miptree_destroy
;
202 pscreen
->get_tex_surface
= nv50_miptree_surface_new
;
203 pscreen
->tex_surface_destroy
= nv50_miptree_surface_del
;