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 uint width
= pt
->width
[0], height
= pt
->height
[0], depth
= pt
->depth
[0];
14 uint wide_pitch
= pt
->tex_usage
& (PIPE_TEXTURE_USAGE_SAMPLER
|
15 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
|
16 PIPE_TEXTURE_USAGE_RENDER_TARGET
|
17 PIPE_TEXTURE_USAGE_DISPLAY_TARGET
|
18 PIPE_TEXTURE_USAGE_PRIMARY
);
20 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
23 if (pt
->target
== PIPE_TEXTURE_3D
) {
24 nr_faces
= pt
->depth
[0];
29 for (l
= 0; l
<= pt
->last_level
; l
++) {
31 pt
->height
[l
] = height
;
33 pt
->nblocksx
[l
] = pf_get_nblocksx(&pt
->block
, width
);
34 pt
->nblocksy
[l
] = pf_get_nblocksy(&pt
->block
, height
);
36 if (wide_pitch
&& (pt
->tex_usage
& NOUVEAU_TEXTURE_USAGE_LINEAR
))
37 nv30mt
->level
[l
].pitch
= align(pt
->width
[0] * pt
->block
.size
, 64);
39 nv30mt
->level
[l
].pitch
= pt
->width
[l
] * pt
->block
.size
;
41 nv30mt
->level
[l
].image_offset
=
42 CALLOC(nr_faces
, sizeof(unsigned));
44 width
= MAX2(1, width
>> 1);
45 height
= MAX2(1, height
>> 1);
46 depth
= MAX2(1, depth
>> 1);
49 for (f
= 0; f
< nr_faces
; f
++) {
50 for (l
= 0; l
< pt
->last_level
; l
++) {
51 nv30mt
->level
[l
].image_offset
[f
] = offset
;
53 if (!(pt
->tex_usage
& NOUVEAU_TEXTURE_USAGE_LINEAR
) &&
54 pt
->width
[l
+ 1] > 1 && pt
->height
[l
+ 1] > 1)
55 offset
+= align(nv30mt
->level
[l
].pitch
* pt
->height
[l
], 64);
57 offset
+= nv30mt
->level
[l
].pitch
* pt
->height
[l
];
60 nv30mt
->level
[l
].image_offset
[f
] = offset
;
61 offset
+= nv30mt
->level
[l
].pitch
* pt
->height
[l
];
64 nv30mt
->total_size
= offset
;
67 static struct pipe_texture
*
68 nv30_miptree_create(struct pipe_screen
*pscreen
, const struct pipe_texture
*pt
)
70 struct nv30_miptree
*mt
;
71 unsigned buf_usage
= PIPE_BUFFER_USAGE_PIXEL
|
72 NOUVEAU_BUFFER_USAGE_TEXTURE
;
74 mt
= MALLOC(sizeof(struct nv30_miptree
));
78 pipe_reference_init(&mt
->base
.reference
, 1);
79 mt
->base
.screen
= pscreen
;
81 /* Swizzled textures must be POT */
82 if (pt
->width
[0] & (pt
->width
[0] - 1) ||
83 pt
->height
[0] & (pt
->height
[0] - 1))
84 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
86 if (pt
->tex_usage
& (PIPE_TEXTURE_USAGE_PRIMARY
|
87 PIPE_TEXTURE_USAGE_DISPLAY_TARGET
|
88 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
))
89 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
91 if (pt
->tex_usage
& PIPE_TEXTURE_USAGE_DYNAMIC
)
92 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
95 /* TODO: Figure out which formats can be swizzled */
96 case PIPE_FORMAT_A8R8G8B8_UNORM
:
97 case PIPE_FORMAT_X8R8G8B8_UNORM
:
98 case PIPE_FORMAT_R16_SNORM
:
99 case PIPE_FORMAT_R5G6B5_UNORM
:
100 case PIPE_FORMAT_A8L8_UNORM
:
101 case PIPE_FORMAT_A8_UNORM
:
102 case PIPE_FORMAT_L8_UNORM
:
103 case PIPE_FORMAT_I8_UNORM
:
105 if (debug_get_bool_option("NOUVEAU_NO_SWIZZLE", FALSE
))
106 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
110 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
114 if (pt
->tex_usage
& PIPE_TEXTURE_USAGE_DYNAMIC
)
115 buf_usage
|= PIPE_BUFFER_USAGE_CPU_READ_WRITE
;
117 nv30_miptree_layout(mt
);
119 mt
->buffer
= pscreen
->buffer_create(pscreen
, 256, buf_usage
,
129 static struct pipe_texture
*
130 nv30_miptree_blanket(struct pipe_screen
*pscreen
, const struct pipe_texture
*pt
,
131 const unsigned *stride
, struct pipe_buffer
*pb
)
133 struct nv30_miptree
*mt
;
135 /* Only supports 2D, non-mipmapped textures for the moment */
136 if (pt
->target
!= PIPE_TEXTURE_2D
|| pt
->last_level
!= 0 ||
140 mt
= CALLOC_STRUCT(nv30_miptree
);
145 pipe_reference_init(&mt
->base
.reference
, 1);
146 mt
->base
.screen
= pscreen
;
147 mt
->level
[0].pitch
= stride
[0];
148 mt
->level
[0].image_offset
= CALLOC(1, sizeof(unsigned));
150 /* Assume whoever created this buffer expects it to be linear for now */
151 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
153 pipe_buffer_reference(&mt
->buffer
, pb
);
158 nv30_miptree_destroy(struct pipe_texture
*pt
)
160 struct nv30_miptree
*mt
= (struct nv30_miptree
*)pt
;
163 pipe_buffer_reference(&mt
->buffer
, NULL
);
164 for (l
= 0; l
<= pt
->last_level
; l
++) {
165 if (mt
->level
[l
].image_offset
)
166 FREE(mt
->level
[l
].image_offset
);
172 static struct pipe_surface
*
173 nv30_miptree_surface_new(struct pipe_screen
*pscreen
, struct pipe_texture
*pt
,
174 unsigned face
, unsigned level
, unsigned zslice
,
177 struct nv30_miptree
*nv30mt
= (struct nv30_miptree
*)pt
;
178 struct nv04_surface
*ns
;
180 ns
= CALLOC_STRUCT(nv04_surface
);
183 pipe_texture_reference(&ns
->base
.texture
, pt
);
184 ns
->base
.format
= pt
->format
;
185 ns
->base
.width
= pt
->width
[level
];
186 ns
->base
.height
= pt
->height
[level
];
187 ns
->base
.usage
= flags
;
188 pipe_reference_init(&ns
->base
.reference
, 1);
189 ns
->base
.face
= face
;
190 ns
->base
.level
= level
;
191 ns
->base
.zslice
= zslice
;
192 ns
->pitch
= nv30mt
->level
[level
].pitch
;
194 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
195 ns
->base
.offset
= nv30mt
->level
[level
].image_offset
[face
];
197 if (pt
->target
== PIPE_TEXTURE_3D
) {
198 ns
->base
.offset
= nv30mt
->level
[level
].image_offset
[zslice
];
200 ns
->base
.offset
= nv30mt
->level
[level
].image_offset
[0];
207 nv30_miptree_surface_del(struct pipe_surface
*ps
)
209 pipe_texture_reference(&ps
->texture
, NULL
);
214 nv30_screen_init_miptree_functions(struct pipe_screen
*pscreen
)
216 pscreen
->texture_create
= nv30_miptree_create
;
217 pscreen
->texture_blanket
= nv30_miptree_blanket
;
218 pscreen
->texture_destroy
= nv30_miptree_destroy
;
219 pscreen
->get_tex_surface
= nv30_miptree_surface_new
;
220 pscreen
->tex_surface_destroy
= nv30_miptree_surface_del
;