1 #include "pipe/p_state.h"
2 #include "pipe/p_defines.h"
3 #include "util/u_inlines.h"
4 #include "util/u_format.h"
5 #include "util/u_math.h"
7 #include "nv40_context.h"
8 #include "../nouveau/nv04_surface_2d.h"
13 nv40_miptree_layout(struct nv40_miptree
*mt
)
15 struct pipe_texture
*pt
= &mt
->base
;
16 uint width
= pt
->width0
;
19 uint wide_pitch
= pt
->tex_usage
& (PIPE_TEXTURE_USAGE_SAMPLER
|
20 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
|
21 PIPE_TEXTURE_USAGE_RENDER_TARGET
|
22 PIPE_TEXTURE_USAGE_DISPLAY_TARGET
|
23 PIPE_TEXTURE_USAGE_PRIMARY
);
25 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
28 if (pt
->target
== PIPE_TEXTURE_3D
) {
29 nr_faces
= pt
->depth0
;
34 for (l
= 0; l
<= pt
->last_level
; l
++) {
35 if (wide_pitch
&& (pt
->tex_usage
& NOUVEAU_TEXTURE_USAGE_LINEAR
))
36 mt
->level
[l
].pitch
= align(util_format_get_stride(pt
->format
, pt
->width0
), 64);
38 mt
->level
[l
].pitch
= util_format_get_stride(pt
->format
, width
);
40 mt
->level
[l
].image_offset
=
41 CALLOC(nr_faces
, sizeof(unsigned));
43 width
= u_minify(width
, 1);
46 for (f
= 0; f
< nr_faces
; f
++) {
47 for (l
= 0; l
< pt
->last_level
; l
++) {
48 mt
->level
[l
].image_offset
[f
] = offset
;
50 if (!(pt
->tex_usage
& NOUVEAU_TEXTURE_USAGE_LINEAR
) &&
51 u_minify(pt
->width0
, l
+ 1) > 1 && u_minify(pt
->height0
, l
+ 1) > 1)
52 offset
+= align(mt
->level
[l
].pitch
* u_minify(pt
->height0
, l
), 64);
54 offset
+= mt
->level
[l
].pitch
* u_minify(pt
->height0
, l
);
57 mt
->level
[l
].image_offset
[f
] = offset
;
58 offset
+= mt
->level
[l
].pitch
* u_minify(pt
->height0
, l
);
61 mt
->total_size
= offset
;
64 static struct pipe_texture
*
65 nv40_miptree_create(struct pipe_screen
*pscreen
, const struct pipe_texture
*pt
)
67 struct nv40_miptree
*mt
;
68 unsigned buf_usage
= PIPE_BUFFER_USAGE_PIXEL
|
69 NOUVEAU_BUFFER_USAGE_TEXTURE
;
71 mt
= MALLOC(sizeof(struct nv40_miptree
));
75 pipe_reference_init(&mt
->base
.reference
, 1);
76 mt
->base
.screen
= pscreen
;
78 /* Swizzled textures must be POT */
79 if (pt
->width0
& (pt
->width0
- 1) ||
80 pt
->height0
& (pt
->height0
- 1))
81 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
83 if (pt
->tex_usage
& (PIPE_TEXTURE_USAGE_PRIMARY
|
84 PIPE_TEXTURE_USAGE_DISPLAY_TARGET
|
85 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
))
86 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
88 if (pt
->tex_usage
& PIPE_TEXTURE_USAGE_DYNAMIC
)
89 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
92 /* TODO: Figure out which formats can be swizzled */
93 case PIPE_FORMAT_B8G8R8A8_UNORM
:
94 case PIPE_FORMAT_B8G8R8X8_UNORM
:
95 case PIPE_FORMAT_R16_SNORM
:
97 if (debug_get_bool_option("NOUVEAU_NO_SWIZZLE", FALSE
))
98 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
102 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
106 if (pt
->tex_usage
& PIPE_TEXTURE_USAGE_DYNAMIC
)
107 buf_usage
|= PIPE_BUFFER_USAGE_CPU_READ_WRITE
;
109 /* apparently we can't render to swizzled surfaces smaller than 64 bytes, so make them linear.
110 * If the user did not ask for a render target, they can still render to it, but it will cost them an extra copy.
111 * This also happens for small mipmaps of large textures. */
112 if (pt
->tex_usage
& PIPE_TEXTURE_USAGE_RENDER_TARGET
&& util_format_get_stride(pt
->format
, pt
->width0
) < 64)
113 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
115 nv40_miptree_layout(mt
);
117 mt
->buffer
= pscreen
->buffer_create(pscreen
, 256, buf_usage
, mt
->total_size
);
122 mt
->bo
= nouveau_bo(mt
->buffer
);
126 static struct pipe_texture
*
127 nv40_miptree_blanket(struct pipe_screen
*pscreen
, const struct pipe_texture
*pt
,
128 const unsigned *stride
, struct pipe_buffer
*pb
)
130 struct nv40_miptree
*mt
;
132 /* Only supports 2D, non-mipmapped textures for the moment */
133 if (pt
->target
!= PIPE_TEXTURE_2D
|| pt
->last_level
!= 0 ||
137 mt
= CALLOC_STRUCT(nv40_miptree
);
142 pipe_reference_init(&mt
->base
.reference
, 1);
143 mt
->base
.screen
= pscreen
;
144 mt
->level
[0].pitch
= stride
[0];
145 mt
->level
[0].image_offset
= CALLOC(1, sizeof(unsigned));
147 /* Assume whoever created this buffer expects it to be linear for now */
148 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
150 pipe_buffer_reference(&mt
->buffer
, pb
);
151 mt
->bo
= nouveau_bo(mt
->buffer
);
156 nv40_miptree_destroy(struct pipe_texture
*pt
)
158 struct nv40_miptree
*mt
= (struct nv40_miptree
*)pt
;
161 pipe_buffer_reference(&mt
->buffer
, NULL
);
162 for (l
= 0; l
<= pt
->last_level
; l
++) {
163 if (mt
->level
[l
].image_offset
)
164 FREE(mt
->level
[l
].image_offset
);
170 static struct pipe_surface
*
171 nv40_miptree_surface_new(struct pipe_screen
*pscreen
, struct pipe_texture
*pt
,
172 unsigned face
, unsigned level
, unsigned zslice
,
175 struct nv40_miptree
*mt
= (struct nv40_miptree
*)pt
;
176 struct nv04_surface
*ns
;
178 ns
= CALLOC_STRUCT(nv04_surface
);
181 pipe_texture_reference(&ns
->base
.texture
, pt
);
182 ns
->base
.format
= pt
->format
;
183 ns
->base
.width
= u_minify(pt
->width0
, level
);
184 ns
->base
.height
= u_minify(pt
->height0
, level
);
185 ns
->base
.usage
= flags
;
186 pipe_reference_init(&ns
->base
.reference
, 1);
187 ns
->base
.face
= face
;
188 ns
->base
.level
= level
;
189 ns
->base
.zslice
= zslice
;
190 ns
->pitch
= mt
->level
[level
].pitch
;
192 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
193 ns
->base
.offset
= mt
->level
[level
].image_offset
[face
];
195 if (pt
->target
== PIPE_TEXTURE_3D
) {
196 ns
->base
.offset
= mt
->level
[level
].image_offset
[zslice
];
198 ns
->base
.offset
= mt
->level
[level
].image_offset
[0];
201 /* create a linear temporary that we can render into if necessary.
202 * Note that ns->pitch is always a multiple of 64 for linear surfaces and swizzled surfaces are POT, so
203 * ns->pitch & 63 is equivalent to (ns->pitch < 64 && swizzled)*/
204 if((ns
->pitch
& 63) && (ns
->base
.usage
& (PIPE_BUFFER_USAGE_GPU_WRITE
| NOUVEAU_BUFFER_USAGE_NO_RENDER
)) == PIPE_BUFFER_USAGE_GPU_WRITE
)
205 return &nv04_surface_wrap_for_render(pscreen
, ((struct nv40_screen
*)pscreen
)->eng2d
, ns
)->base
;
211 nv40_miptree_surface_del(struct pipe_surface
*ps
)
213 struct nv04_surface
* ns
= (struct nv04_surface
*)ps
;
216 struct nv40_screen
* screen
= (struct nv40_screen
*)ps
->texture
->screen
;
217 if(ns
->backing
->base
.usage
& PIPE_BUFFER_USAGE_GPU_WRITE
)
218 screen
->eng2d
->copy(screen
->eng2d
, &ns
->backing
->base
, 0, 0, ps
, 0, 0, ns
->base
.width
, ns
->base
.height
);
219 nv40_miptree_surface_del(&ns
->backing
->base
);
222 pipe_texture_reference(&ps
->texture
, NULL
);
227 nv40_screen_init_miptree_functions(struct pipe_screen
*pscreen
)
229 pscreen
->texture_create
= nv40_miptree_create
;
230 pscreen
->texture_blanket
= nv40_miptree_blanket
;
231 pscreen
->texture_destroy
= nv40_miptree_destroy
;
232 pscreen
->get_tex_surface
= nv40_miptree_surface_new
;
233 pscreen
->tex_surface_destroy
= nv40_miptree_surface_del
;