1 #include "pipe/p_state.h"
2 #include "pipe/p_defines.h"
3 #include "pipe/p_inlines.h"
5 #include "nv30_context.h"
8 nv30_miptree_layout(struct nv30_miptree
*nv30mt
)
10 struct pipe_texture
*pt
= &nv30mt
->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 nv30mt
->level
[l
].pitch
= pitch
* pt
->block
.size
;
38 nv30mt
->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 nv30mt
->level
[l
].image_offset
[f
] = offset
;
49 offset
+= nv30mt
->level
[l
].pitch
* pt
->height
[l
];
53 nv30mt
->total_size
= offset
;
56 static struct pipe_texture
*
57 nv30_miptree_create(struct pipe_screen
*pscreen
, const struct pipe_texture
*pt
)
59 struct pipe_winsys
*ws
= pscreen
->winsys
;
60 struct nv30_miptree
*mt
;
62 mt
= MALLOC(sizeof(struct nv30_miptree
));
66 mt
->base
.refcount
= 1;
67 mt
->base
.screen
= pscreen
;
68 mt
->shadow_tex
= NULL
;
69 mt
->shadow_surface
= NULL
;
71 /* Swizzled textures must be POT */
72 if (pt
->width
[0] & (pt
->width
[0] - 1) ||
73 pt
->height
[0] & (pt
->height
[0] - 1))
74 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
76 if (pt
->tex_usage
& (PIPE_TEXTURE_USAGE_PRIMARY
|
77 PIPE_TEXTURE_USAGE_DISPLAY_TARGET
))
78 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
80 if (pt
->tex_usage
& PIPE_TEXTURE_USAGE_DYNAMIC
)
81 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
84 /* TODO: Figure out which formats can be swizzled */
85 case PIPE_FORMAT_A8R8G8B8_UNORM
:
86 case PIPE_FORMAT_X8R8G8B8_UNORM
:
87 case PIPE_FORMAT_R16_SNORM
:
90 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
94 nv30_miptree_layout(mt
);
96 mt
->buffer
= ws
->buffer_create(ws
, 256,
97 PIPE_BUFFER_USAGE_PIXEL
|
98 NOUVEAU_BUFFER_USAGE_TEXTURE
,
108 static struct pipe_texture
*
109 nv30_miptree_blanket(struct pipe_screen
*pscreen
, const struct pipe_texture
*pt
,
110 const unsigned *stride
, struct pipe_buffer
*pb
)
112 struct nv30_miptree
*mt
;
114 /* Only supports 2D, non-mipmapped textures for the moment */
115 if (pt
->target
!= PIPE_TEXTURE_2D
|| pt
->last_level
!= 0 ||
119 mt
= CALLOC_STRUCT(nv30_miptree
);
124 mt
->base
.refcount
= 1;
125 mt
->base
.screen
= pscreen
;
126 mt
->level
[0].pitch
= stride
[0];
127 mt
->level
[0].image_offset
= CALLOC(1, sizeof(unsigned));
129 pipe_buffer_reference(pscreen
, &mt
->buffer
, pb
);
134 nv30_miptree_release(struct pipe_screen
*pscreen
, struct pipe_texture
**ppt
)
136 struct pipe_texture
*pt
= *ppt
;
137 struct nv30_miptree
*mt
= (struct nv30_miptree
*)pt
;
144 pipe_buffer_reference(pscreen
, &mt
->buffer
, NULL
);
145 for (l
= 0; l
<= pt
->last_level
; l
++) {
146 if (mt
->level
[l
].image_offset
)
147 FREE(mt
->level
[l
].image_offset
);
150 if (mt
->shadow_tex
) {
151 assert(mt
->shadow_surface
);
152 pscreen
->tex_surface_release(pscreen
, &mt
->shadow_surface
);
153 nv30_miptree_release(pscreen
, &mt
->shadow_tex
);
159 static struct pipe_surface
*
160 nv30_miptree_surface_new(struct pipe_screen
*pscreen
, struct pipe_texture
*pt
,
161 unsigned face
, unsigned level
, unsigned zslice
,
164 struct nv30_miptree
*nv30mt
= (struct nv30_miptree
*)pt
;
165 struct pipe_surface
*ps
;
167 ps
= CALLOC_STRUCT(pipe_surface
);
170 pipe_texture_reference(&ps
->texture
, pt
);
171 ps
->format
= pt
->format
;
172 ps
->width
= pt
->width
[level
];
173 ps
->height
= pt
->height
[level
];
174 ps
->block
= pt
->block
;
175 ps
->nblocksx
= pt
->nblocksx
[level
];
176 ps
->nblocksy
= pt
->nblocksy
[level
];
177 ps
->stride
= nv30mt
->level
[level
].pitch
;
179 ps
->status
= PIPE_SURFACE_STATUS_DEFINED
;
185 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
186 ps
->offset
= nv30mt
->level
[level
].image_offset
[face
];
188 if (pt
->target
== PIPE_TEXTURE_3D
) {
189 ps
->offset
= nv30mt
->level
[level
].image_offset
[zslice
];
191 ps
->offset
= nv30mt
->level
[level
].image_offset
[0];
198 nv30_miptree_surface_del(struct pipe_screen
*pscreen
,
199 struct pipe_surface
**psurface
)
201 struct pipe_surface
*ps
= *psurface
;
204 if (--ps
->refcount
> 0)
207 pipe_texture_reference(&ps
->texture
, NULL
);
212 nv30_screen_init_miptree_functions(struct pipe_screen
*pscreen
)
214 pscreen
->texture_create
= nv30_miptree_create
;
215 pscreen
->texture_blanket
= nv30_miptree_blanket
;
216 pscreen
->texture_release
= nv30_miptree_release
;
217 pscreen
->get_tex_surface
= nv30_miptree_surface_new
;
218 pscreen
->tex_surface_release
= nv30_miptree_surface_del
;