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
|
#include "pipe/p_state.h"
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
#include "util/u_format.h"
#include "util/u_memory.h"
#include "util/u_math.h"
#include "util/u_staging.h"
#include "state_tracker/drm_driver.h"
#include "nouveau/nouveau_winsys.h"
#include "nouveau/nouveau_screen.h"
#include "nvfx_screen.h"
#include "nvfx_resource.h"
static void
nvfx_miptree_choose_format(struct nvfx_miptree *mt)
{
struct pipe_resource *pt = &mt->base.base;
unsigned uniform_pitch = 0;
static int no_swizzle = -1;
if(no_swizzle < 0)
no_swizzle = debug_get_bool_option("NV40_NO_SWIZZLE", FALSE); /* this will break things on nv30 */
if (!util_is_power_of_two(pt->width0) ||
!util_is_power_of_two(pt->height0) ||
!util_is_power_of_two(pt->depth0) ||
(!nvfx_screen(pt->screen)->is_nv4x && pt->target == PIPE_TEXTURE_RECT)
)
uniform_pitch = 1;
if (
(pt->bind & (PIPE_BIND_SCANOUT | PIPE_BIND_DISPLAY_TARGET))
|| (pt->usage & PIPE_USAGE_DYNAMIC) || (pt->usage & PIPE_USAGE_STAGING)
|| util_format_is_compressed(pt->format)
|| no_swizzle
)
mt->base.base.flags |= NOUVEAU_RESOURCE_FLAG_LINEAR;
/* non compressed formats with uniform pitch must be linear, and vice versa */
if(!util_format_is_s3tc(pt->format)
&& (uniform_pitch || mt->base.base.flags & NOUVEAU_RESOURCE_FLAG_LINEAR))
{
mt->base.base.flags |= NOUVEAU_RESOURCE_FLAG_LINEAR;
uniform_pitch = 1;
}
if(uniform_pitch)
{
mt->linear_pitch = util_format_get_stride(pt->format, pt->width0);
// TODO: this is only a constraint for rendering and not sampling, apparently
// we may also want this unconditionally
if(pt->bind & (PIPE_BIND_SAMPLER_VIEW |
PIPE_BIND_DEPTH_STENCIL |
PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT))
mt->linear_pitch = align(mt->linear_pitch, 64);
}
else
mt->linear_pitch = 0;
}
static unsigned
nvfx_miptree_layout(struct nvfx_miptree *mt)
{
struct pipe_resource* pt = &mt->base.base;
uint offset = 0;
if(!nvfx_screen(pt->screen)->is_nv4x)
{
assert(pt->target == PIPE_TEXTURE_RECT
|| (util_is_power_of_two(pt->width0) && util_is_power_of_two(pt->height0)));
}
for (unsigned l = 0; l <= pt->last_level; l++)
{
unsigned size;
mt->level_offset[l] = offset;
if(mt->linear_pitch)
size = mt->linear_pitch;
else
size = util_format_get_stride(pt->format, u_minify(pt->width0, l));
size = util_format_get_2d_size(pt->format, size, u_minify(pt->height0, l));
if(pt->target == PIPE_TEXTURE_3D)
size *= u_minify(pt->depth0, l);
offset += size;
}
offset = align(offset, 128);
mt->face_size = offset;
if(mt->base.base.target == PIPE_TEXTURE_CUBE)
offset += 5 * mt->face_size;
return offset;
}
static void
nvfx_miptree_surface_final_destroy(struct pipe_surface* ps)
{
pipe_resource_reference(&ps->texture, 0);
FREE(ps);
}
void
nvfx_miptree_destroy(struct pipe_screen *screen, struct pipe_resource *pt)
{
struct nvfx_miptree *mt = (struct nvfx_miptree *)pt;
util_surfaces_destroy(&mt->surfaces, pt, nvfx_miptree_surface_final_destroy);
nouveau_screen_bo_release(screen, mt->base.bo);
FREE(mt);
}
static struct nvfx_miptree*
nvfx_miptree_create_skeleton(struct pipe_screen *pscreen, const struct pipe_resource *pt)
{
struct nvfx_miptree *mt;
if(pt->width0 > 4096 || pt->height0 > 4096)
return NULL;
mt = CALLOC_STRUCT(nvfx_miptree);
if (!mt)
return NULL;
mt->base.base = *pt;
pipe_reference_init(&mt->base.base.reference, 1);
mt->base.base.screen = pscreen;
// set this to the actual capabilities, we use it to decide whether to use the 3D engine for copies
// TODO: is this the correct way to use Gallium?
mt->base.base.bind = pt->bind | PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL;
// on our current driver (and the driver too), format support does not depend on geometry, so don't bother computing it
// TODO: may want to revisit this
if(!pscreen->is_format_supported(pscreen, pt->format, pt->target, 0, PIPE_BIND_RENDER_TARGET))
mt->base.base.bind &=~ PIPE_BIND_RENDER_TARGET;
if(!pscreen->is_format_supported(pscreen, pt->format, pt->target, 0, PIPE_BIND_SAMPLER_VIEW))
mt->base.base.bind &=~ PIPE_BIND_SAMPLER_VIEW;
if(!pscreen->is_format_supported(pscreen, pt->format, pt->target, 0, PIPE_BIND_DEPTH_STENCIL))
mt->base.base.bind &=~ PIPE_BIND_DEPTH_STENCIL;
return mt;
}
struct pipe_resource *
nvfx_miptree_create(struct pipe_screen *pscreen, const struct pipe_resource *pt)
{
struct nvfx_miptree* mt = nvfx_miptree_create_skeleton(pscreen, pt);
unsigned size;
nvfx_miptree_choose_format(mt);
size = nvfx_miptree_layout(mt);
mt->base.bo = nouveau_screen_bo_new(pscreen, 256, pt->usage, pt->bind, size);
if (!mt->base.bo) {
FREE(mt);
return NULL;
}
return &mt->base.base;
}
// TODO: redo this, just calling miptree_layout
struct pipe_resource *
nvfx_miptree_from_handle(struct pipe_screen *pscreen, const struct pipe_resource *template, struct winsys_handle *whandle)
{
struct nvfx_miptree* mt = nvfx_miptree_create_skeleton(pscreen, template);
unsigned stride;
if(whandle->stride) {
mt->linear_pitch = whandle->stride;
mt->base.base.flags |= NOUVEAU_RESOURCE_FLAG_LINEAR;
} else
nvfx_miptree_choose_format(mt);
nvfx_miptree_layout(mt);
mt->base.bo = nouveau_screen_bo_from_handle(pscreen, whandle, &stride);
if (mt->base.bo == NULL) {
FREE(mt);
return NULL;
}
return &mt->base.base;
}
struct pipe_surface *
nvfx_miptree_surface_new(struct pipe_context *pipe, struct pipe_resource *pt,
const struct pipe_surface *surf_tmpl)
{
struct nvfx_miptree *mt = (struct nvfx_miptree *)pt;
unsigned level = surf_tmpl->u.tex.level;
struct nvfx_surface *ns = NULL;
assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
if(util_surfaces_get(&mt->surfaces, sizeof(struct nvfx_surface), pipe,
pt, level, surf_tmpl->u.tex.first_layer,
surf_tmpl->usage, (struct pipe_surface **)&ns)) {
ns->pitch = nvfx_subresource_pitch(pt, level);
ns->offset = nvfx_subresource_offset(pt, surf_tmpl->u.tex.first_layer, level, surf_tmpl->u.tex.first_layer);
}
return &ns->base;
}
void
nvfx_miptree_surface_del(struct pipe_context *pipe, struct pipe_surface *ps)
{
util_surfaces_detach(&((struct nvfx_miptree*)ps->texture)->surfaces, ps);
pipe_resource_reference(&ps->texture, 0);
FREE(ps);
}
|
