1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
#include "pipe/p_state.h"
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
#include "util/u_format.h"
#include "util/u_math.h"
#include "nv30_context.h"
#include "../nouveau/nv04_surface_2d.h"
static void
nv30_miptree_layout(struct nv30_miptree *nv30mt)
{
struct pipe_texture *pt = &nv30mt->base;
uint width = pt->width0;
uint offset = 0;
int nr_faces, l, f;
uint wide_pitch = pt->tex_usage & (PIPE_TEXTURE_USAGE_SAMPLER |
PIPE_TEXTURE_USAGE_DEPTH_STENCIL |
PIPE_TEXTURE_USAGE_RENDER_TARGET |
PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
PIPE_TEXTURE_USAGE_SCANOUT);
if (pt->target == PIPE_TEXTURE_CUBE) {
nr_faces = 6;
} else
if (pt->target == PIPE_TEXTURE_3D) {
nr_faces = pt->depth0;
} else {
nr_faces = 1;
}
for (l = 0; l <= pt->last_level; l++) {
if (wide_pitch && (pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR))
nv30mt->level[l].pitch = align(util_format_get_stride(pt->format, pt->width0), 64);
else
nv30mt->level[l].pitch = util_format_get_stride(pt->format, width);
nv30mt->level[l].image_offset =
CALLOC(nr_faces, sizeof(unsigned));
width = u_minify(width, 1);
}
for (f = 0; f < nr_faces; f++) {
for (l = 0; l < pt->last_level; l++) {
nv30mt->level[l].image_offset[f] = offset;
if (!(pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR) &&
u_minify(pt->width0, l + 1) > 1 && u_minify(pt->height0, l + 1) > 1)
offset += align(nv30mt->level[l].pitch * u_minify(pt->height0, l), 64);
else
offset += nv30mt->level[l].pitch * u_minify(pt->height0, l);
}
nv30mt->level[l].image_offset[f] = offset;
offset += nv30mt->level[l].pitch * u_minify(pt->height0, l);
}
nv30mt->total_size = offset;
}
static struct pipe_texture *
nv30_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt)
{
struct nv30_miptree *mt;
unsigned buf_usage = PIPE_BUFFER_USAGE_PIXEL |
NOUVEAU_BUFFER_USAGE_TEXTURE;
mt = MALLOC(sizeof(struct nv30_miptree));
if (!mt)
return NULL;
mt->base = *pt;
pipe_reference_init(&mt->base.reference, 1);
mt->base.screen = pscreen;
/* Swizzled textures must be POT */
if (pt->width0 & (pt->width0 - 1) ||
pt->height0 & (pt->height0 - 1))
mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
else
if (pt->tex_usage & (PIPE_TEXTURE_USAGE_SCANOUT |
PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
PIPE_TEXTURE_USAGE_DEPTH_STENCIL))
mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
else
if (pt->tex_usage & PIPE_TEXTURE_USAGE_DYNAMIC)
mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
else {
switch (pt->format) {
/* TODO: Figure out which formats can be swizzled */
case PIPE_FORMAT_A8R8G8B8_UNORM:
case PIPE_FORMAT_X8R8G8B8_UNORM:
case PIPE_FORMAT_R16_SNORM:
case PIPE_FORMAT_R5G6B5_UNORM:
case PIPE_FORMAT_A8L8_UNORM:
case PIPE_FORMAT_A8_UNORM:
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_I8_UNORM:
{
if (debug_get_bool_option("NOUVEAU_NO_SWIZZLE", FALSE))
mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
break;
}
default:
mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
}
}
if (pt->tex_usage & PIPE_TEXTURE_USAGE_DYNAMIC)
buf_usage |= PIPE_BUFFER_USAGE_CPU_READ_WRITE;
/* apparently we can't render to swizzled surfaces smaller than 64 bytes, so make them linear.
* If the user did not ask for a render target, they can still render to it, but it will cost them an extra copy.
* This also happens for small mipmaps of large textures. */
if (pt->tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET && util_format_get_stride(pt->format, pt->width0) < 64)
mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
nv30_miptree_layout(mt);
mt->buffer = pscreen->buffer_create(pscreen, 256, buf_usage,
mt->total_size);
if (!mt->buffer) {
FREE(mt);
return NULL;
}
mt->bo = nouveau_bo(mt->buffer);
return &mt->base;
}
static struct pipe_texture *
nv30_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt,
const unsigned *stride, struct pipe_buffer *pb)
{
struct nv30_miptree *mt;
/* Only supports 2D, non-mipmapped textures for the moment */
if (pt->target != PIPE_TEXTURE_2D || pt->last_level != 0 ||
pt->depth0 != 1)
return NULL;
mt = CALLOC_STRUCT(nv30_miptree);
if (!mt)
return NULL;
mt->base = *pt;
pipe_reference_init(&mt->base.reference, 1);
mt->base.screen = pscreen;
mt->level[0].pitch = stride[0];
mt->level[0].image_offset = CALLOC(1, sizeof(unsigned));
/* Assume whoever created this buffer expects it to be linear for now */
mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
pipe_buffer_reference(&mt->buffer, pb);
mt->bo = nouveau_bo(mt->buffer);
return &mt->base;
}
static void
nv30_miptree_destroy(struct pipe_texture *pt)
{
struct nv30_miptree *mt = (struct nv30_miptree *)pt;
int l;
pipe_buffer_reference(&mt->buffer, NULL);
for (l = 0; l <= pt->last_level; l++) {
if (mt->level[l].image_offset)
FREE(mt->level[l].image_offset);
}
FREE(mt);
}
static struct pipe_surface *
nv30_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
unsigned face, unsigned level, unsigned zslice,
unsigned flags)
{
struct nv30_miptree *nv30mt = (struct nv30_miptree *)pt;
struct nv04_surface *ns;
ns = CALLOC_STRUCT(nv04_surface);
if (!ns)
return NULL;
pipe_texture_reference(&ns->base.texture, pt);
ns->base.format = pt->format;
ns->base.width = u_minify(pt->width0, level);
ns->base.height = u_minify(pt->height0, level);
ns->base.usage = flags;
pipe_reference_init(&ns->base.reference, 1);
ns->base.face = face;
ns->base.level = level;
ns->base.zslice = zslice;
ns->pitch = nv30mt->level[level].pitch;
if (pt->target == PIPE_TEXTURE_CUBE) {
ns->base.offset = nv30mt->level[level].image_offset[face];
} else
if (pt->target == PIPE_TEXTURE_3D) {
ns->base.offset = nv30mt->level[level].image_offset[zslice];
} else {
ns->base.offset = nv30mt->level[level].image_offset[0];
}
/* create a linear temporary that we can render into if necessary.
* Note that ns->pitch is always a multiple of 64 for linear surfaces and swizzled surfaces are POT, so
* ns->pitch & 63 is equivalent to (ns->pitch < 64 && swizzled)*/
if((ns->pitch & 63) && (ns->base.usage & (PIPE_BUFFER_USAGE_GPU_WRITE | NOUVEAU_BUFFER_USAGE_NO_RENDER)) == PIPE_BUFFER_USAGE_GPU_WRITE)
return &nv04_surface_wrap_for_render(pscreen, ((struct nv30_screen*)pscreen)->eng2d, ns)->base;
return &ns->base;
}
static void
nv30_miptree_surface_del(struct pipe_surface *ps)
{
struct nv04_surface* ns = (struct nv04_surface*)ps;
if(ns->backing)
{
struct nv30_screen* screen = (struct nv30_screen*)ps->texture->screen;
if(ns->backing->base.usage & PIPE_BUFFER_USAGE_GPU_WRITE)
screen->eng2d->copy(screen->eng2d, &ns->backing->base, 0, 0, ps, 0, 0, ns->base.width, ns->base.height);
nv30_miptree_surface_del(&ns->backing->base);
}
pipe_texture_reference(&ps->texture, NULL);
FREE(ps);
}
void
nv30_screen_init_miptree_functions(struct pipe_screen *pscreen)
{
pscreen->texture_create = nv30_miptree_create;
pscreen->texture_blanket = nv30_miptree_blanket;
pscreen->texture_destroy = nv30_miptree_destroy;
pscreen->get_tex_surface = nv30_miptree_surface_new;
pscreen->tex_surface_destroy = nv30_miptree_surface_del;
}
|
