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
.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(&pt
->reference
, 1);
45 case PIPE_FORMAT_Z32_FLOAT
:
48 case PIPE_FORMAT_Z24S8_UNORM
:
51 case PIPE_FORMAT_X8Z24_UNORM
:
52 case PIPE_FORMAT_S8Z24_UNORM
:
60 if (pt
->height
[0] > 32) tile_mode
= 4;
61 else if (pt
->height
[0] > 16) tile_mode
= 3;
62 else if (pt
->height
[0] > 8) tile_mode
= 2;
63 else if (pt
->height
[0] > 4) tile_mode
= 1;
65 tile_h
= 1 << (tile_mode
+ 2);
69 mt
->image_nr
= pt
->depth
[0];
71 case PIPE_TEXTURE_CUBE
:
79 for (l
= 0; l
<= pt
->last_level
; l
++) {
80 struct nv50_miptree_level
*lvl
= &mt
->level
[l
];
83 pt
->height
[l
] = height
;
85 pt
->nblocksx
[l
] = pf_get_nblocksx(&pt
->block
, width
);
86 pt
->nblocksy
[l
] = pf_get_nblocksy(&pt
->block
, height
);
88 lvl
->image_offset
= CALLOC(mt
->image_nr
, sizeof(int));
89 lvl
->pitch
= align(pt
->width
[l
] * pt
->block
.size
, 64);
90 lvl
->tile_mode
= tile_mode
;
92 width
= MAX2(1, width
>> 1);
93 height
= MAX2(1, height
>> 1);
94 depth
= MAX2(1, depth
>> 1);
96 if (tile_mode
&& height
<= (tile_h
>> 1)) {
102 for (i
= 0; i
< mt
->image_nr
; i
++) {
103 for (l
= 0; l
<= pt
->last_level
; l
++) {
104 struct nv50_miptree_level
*lvl
= &mt
->level
[l
];
106 tile_h
= 1 << (lvl
->tile_mode
+ 2);
108 size
= align(pt
->width
[l
], 8) * pt
->block
.size
;
109 size
= align(size
, 64);
110 size
*= align(pt
->height
[l
], tile_h
);
112 lvl
->image_offset
[i
] = mt
->total_size
;
114 mt
->total_size
+= size
;
118 ret
= nouveau_bo_new_tile(dev
, NOUVEAU_BO_VRAM
, 256, mt
->total_size
,
119 mt
->level
[0].tile_mode
, tile_flags
,
129 static struct pipe_texture
*
130 nv50_miptree_blanket(struct pipe_screen
*pscreen
, const struct pipe_texture
*pt
,
131 const unsigned *stride
, struct pipe_buffer
*pb
)
133 struct nouveau_bo
*bo
= nouveau_bo(pb
);
134 struct nv50_miptree
*mt
;
136 /* Only supports 2D, non-mipmapped textures for the moment */
137 if (pt
->target
!= PIPE_TEXTURE_2D
|| pt
->last_level
!= 0 ||
141 mt
= CALLOC_STRUCT(nv50_miptree
);
146 pipe_reference_init(&mt
->base
.base
.reference
, 1);
147 mt
->base
.base
.screen
= pscreen
;
149 mt
->level
[0].pitch
= *stride
;
150 mt
->level
[0].image_offset
= CALLOC(1, sizeof(unsigned));
151 mt
->level
[0].tile_mode
= bo
->tile_mode
;
153 nouveau_bo_ref(bo
, &mt
->base
.bo
);
154 return &mt
->base
.base
;
158 nv50_miptree_destroy(struct pipe_texture
*pt
)
160 struct nv50_miptree
*mt
= nv50_miptree(pt
);
162 nouveau_bo_ref(NULL
, &mt
->base
.bo
);
166 static struct pipe_surface
*
167 nv50_miptree_surface_new(struct pipe_screen
*pscreen
, struct pipe_texture
*pt
,
168 unsigned face
, unsigned level
, unsigned zslice
,
171 struct nv50_miptree
*mt
= nv50_miptree(pt
);
172 struct nv50_miptree_level
*lvl
= &mt
->level
[level
];
173 struct pipe_surface
*ps
;
176 if (pt
->target
== PIPE_TEXTURE_CUBE
)
179 if (pt
->target
== PIPE_TEXTURE_3D
)
184 ps
= CALLOC_STRUCT(pipe_surface
);
187 pipe_texture_reference(&ps
->texture
, pt
);
188 ps
->format
= pt
->format
;
189 ps
->width
= pt
->width
[level
];
190 ps
->height
= pt
->height
[level
];
192 pipe_reference_init(&ps
->reference
, 1);
196 ps
->offset
= lvl
->image_offset
[img
];
202 nv50_miptree_surface_del(struct pipe_surface
*ps
)
204 struct nv50_surface
*s
= nv50_surface(ps
);
206 pipe_texture_reference(&ps
->texture
, NULL
);
211 nv50_screen_init_miptree_functions(struct pipe_screen
*pscreen
)
213 pscreen
->texture_create
= nv50_miptree_create
;
214 pscreen
->texture_blanket
= nv50_miptree_blanket
;
215 pscreen
->texture_destroy
= nv50_miptree_destroy
;
216 pscreen
->get_tex_surface
= nv50_miptree_surface_new
;
217 pscreen
->tex_surface_destroy
= nv50_miptree_surface_del
;