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 "nvfx_context.h"
8 #include "nv04_surface_2d.h"
13 nvfx_miptree_layout(struct nvfx_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_SCANOUT
);
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 nvfx_miptree_create(struct pipe_screen
*pscreen
, const struct pipe_texture
*pt
)
67 struct nvfx_miptree
*mt
;
68 unsigned buf_usage
= PIPE_BUFFER_USAGE_PIXEL
|
69 NOUVEAU_BUFFER_USAGE_TEXTURE
;
70 static int no_swizzle
= -1;
72 no_swizzle
= debug_get_bool_option("NOUVEAU_NO_SWIZZLE", FALSE
);
74 mt
= MALLOC(sizeof(struct nvfx_miptree
));
78 pipe_reference_init(&mt
->base
.reference
, 1);
79 mt
->base
.screen
= pscreen
;
81 /* Swizzled textures must be POT */
82 if (pt
->width0
& (pt
->width0
- 1) ||
83 pt
->height0
& (pt
->height0
- 1))
84 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
86 if (pt
->tex_usage
& (PIPE_TEXTURE_USAGE_SCANOUT
|
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 case PIPE_FORMAT_B5G6R5_UNORM
:
96 case PIPE_FORMAT_L8A8_UNORM
:
97 case PIPE_FORMAT_A8_UNORM
:
98 case PIPE_FORMAT_L8_UNORM
:
99 case PIPE_FORMAT_I8_UNORM
:
100 /* TODO: we can actually swizzle these formats on nv40, we
101 are just preserving the pre-unification behavior.
102 The whole 2D code is going to be rewritten anyway. */
103 if(nvfx_screen(pscreen
)->is_nv4x
) {
104 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
107 /* TODO: Figure out which formats can be swizzled */
108 case PIPE_FORMAT_B8G8R8A8_UNORM
:
109 case PIPE_FORMAT_B8G8R8X8_UNORM
:
110 case PIPE_FORMAT_R16_SNORM
:
113 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
117 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
121 if (pt
->tex_usage
& PIPE_TEXTURE_USAGE_DYNAMIC
)
122 buf_usage
|= PIPE_BUFFER_USAGE_CPU_READ_WRITE
;
124 /* apparently we can't render to swizzled surfaces smaller than 64 bytes, so make them linear.
125 * If the user did not ask for a render target, they can still render to it, but it will cost them an extra copy.
126 * This also happens for small mipmaps of large textures. */
127 if (pt
->tex_usage
& PIPE_TEXTURE_USAGE_RENDER_TARGET
&& util_format_get_stride(pt
->format
, pt
->width0
) < 64)
128 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
130 nvfx_miptree_layout(mt
);
132 mt
->buffer
= pscreen
->buffer_create(pscreen
, 256, buf_usage
, mt
->total_size
);
137 mt
->bo
= nouveau_bo(mt
->buffer
);
141 static struct pipe_texture
*
142 nvfx_miptree_blanket(struct pipe_screen
*pscreen
, const struct pipe_texture
*pt
,
143 const unsigned *stride
, struct pipe_buffer
*pb
)
145 struct nvfx_miptree
*mt
;
147 /* Only supports 2D, non-mipmapped textures for the moment */
148 if (pt
->target
!= PIPE_TEXTURE_2D
|| pt
->last_level
!= 0 ||
152 mt
= CALLOC_STRUCT(nvfx_miptree
);
157 pipe_reference_init(&mt
->base
.reference
, 1);
158 mt
->base
.screen
= pscreen
;
159 mt
->level
[0].pitch
= stride
[0];
160 mt
->level
[0].image_offset
= CALLOC(1, sizeof(unsigned));
162 /* Assume whoever created this buffer expects it to be linear for now */
163 mt
->base
.tex_usage
|= NOUVEAU_TEXTURE_USAGE_LINEAR
;
165 pipe_buffer_reference(&mt
->buffer
, pb
);
166 mt
->bo
= nouveau_bo(mt
->buffer
);
171 nvfx_miptree_destroy(struct pipe_texture
*pt
)
173 struct nvfx_miptree
*mt
= (struct nvfx_miptree
*)pt
;
176 pipe_buffer_reference(&mt
->buffer
, NULL
);
177 for (l
= 0; l
<= pt
->last_level
; l
++) {
178 if (mt
->level
[l
].image_offset
)
179 FREE(mt
->level
[l
].image_offset
);
185 static struct pipe_surface
*
186 nvfx_miptree_surface_new(struct pipe_screen
*pscreen
, struct pipe_texture
*pt
,
187 unsigned face
, unsigned level
, unsigned zslice
,
190 struct nvfx_miptree
*mt
= (struct nvfx_miptree
*)pt
;
191 struct nv04_surface
*ns
;
193 ns
= CALLOC_STRUCT(nv04_surface
);
196 pipe_texture_reference(&ns
->base
.texture
, pt
);
197 ns
->base
.format
= pt
->format
;
198 ns
->base
.width
= u_minify(pt
->width0
, level
);
199 ns
->base
.height
= u_minify(pt
->height0
, level
);
200 ns
->base
.usage
= flags
;
201 pipe_reference_init(&ns
->base
.reference
, 1);
202 ns
->base
.face
= face
;
203 ns
->base
.level
= level
;
204 ns
->base
.zslice
= zslice
;
205 ns
->pitch
= mt
->level
[level
].pitch
;
207 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
208 ns
->base
.offset
= mt
->level
[level
].image_offset
[face
];
210 if (pt
->target
== PIPE_TEXTURE_3D
) {
211 ns
->base
.offset
= mt
->level
[level
].image_offset
[zslice
];
213 ns
->base
.offset
= mt
->level
[level
].image_offset
[0];
216 /* create a linear temporary that we can render into if necessary.
217 * Note that ns->pitch is always a multiple of 64 for linear surfaces and swizzled surfaces are POT, so
218 * ns->pitch & 63 is equivalent to (ns->pitch < 64 && swizzled)*/
219 if((ns
->pitch
& 63) && (ns
->base
.usage
& (PIPE_BUFFER_USAGE_GPU_WRITE
| NOUVEAU_BUFFER_USAGE_NO_RENDER
)) == PIPE_BUFFER_USAGE_GPU_WRITE
)
220 return &nv04_surface_wrap_for_render(pscreen
, ((struct nvfx_screen
*)pscreen
)->eng2d
, ns
)->base
;
226 nvfx_miptree_surface_del(struct pipe_surface
*ps
)
228 struct nv04_surface
* ns
= (struct nv04_surface
*)ps
;
231 struct nvfx_screen
* screen
= (struct nvfx_screen
*)ps
->texture
->screen
;
232 if(ns
->backing
->base
.usage
& PIPE_BUFFER_USAGE_GPU_WRITE
)
233 screen
->eng2d
->copy(screen
->eng2d
, &ns
->backing
->base
, 0, 0, ps
, 0, 0, ns
->base
.width
, ns
->base
.height
);
234 nvfx_miptree_surface_del(&ns
->backing
->base
);
237 pipe_texture_reference(&ps
->texture
, NULL
);
242 nvfx_screen_init_miptree_functions(struct pipe_screen
*pscreen
)
244 pscreen
->texture_create
= nvfx_miptree_create
;
245 pscreen
->texture_destroy
= nvfx_miptree_destroy
;
246 pscreen
->get_tex_surface
= nvfx_miptree_surface_new
;
247 pscreen
->tex_surface_destroy
= nvfx_miptree_surface_del
;
249 nouveau_screen(pscreen
)->texture_blanket
= nvfx_miptree_blanket
;