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
|
#include "pipe/p_screen.h"
#include "nv20_context.h"
#include "nv20_screen.h"
static int
nv20_screen_get_param(struct pipe_screen *screen, int param)
{
switch (param) {
case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
return 2;
case PIPE_CAP_NPOT_TEXTURES:
return 0;
case PIPE_CAP_TWO_SIDED_STENCIL:
return 0;
case PIPE_CAP_GLSL:
return 0;
case PIPE_CAP_ANISOTROPIC_FILTER:
return 1;
case PIPE_CAP_POINT_SPRITE:
return 0;
case PIPE_CAP_MAX_RENDER_TARGETS:
return 1;
case PIPE_CAP_OCCLUSION_QUERY:
return 0;
case PIPE_CAP_TEXTURE_SHADOW_MAP:
return 0;
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
return 12;
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
return 0;
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
return 12;
case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
return 0;
case PIPE_CAP_TGSI_CONT_SUPPORTED:
return 0;
case PIPE_CAP_BLEND_EQUATION_SEPARATE:
return 0;
case NOUVEAU_CAP_HW_VTXBUF:
case NOUVEAU_CAP_HW_IDXBUF:
return 0;
case PIPE_CAP_INDEP_BLEND_ENABLE:
return 0;
case PIPE_CAP_INDEP_BLEND_FUNC:
return 0;
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
return 1;
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
return 0;
default:
NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
return 0;
}
}
static float
nv20_screen_get_paramf(struct pipe_screen *screen, int param)
{
switch (param) {
case PIPE_CAP_MAX_LINE_WIDTH:
case PIPE_CAP_MAX_LINE_WIDTH_AA:
return 10.0;
case PIPE_CAP_MAX_POINT_WIDTH:
case PIPE_CAP_MAX_POINT_WIDTH_AA:
return 64.0;
case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
return 2.0;
case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
return 4.0;
default:
NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
return 0.0;
}
}
static boolean
nv20_screen_is_format_supported(struct pipe_screen *screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned tex_usage, unsigned geom_flags)
{
if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
switch (format) {
case PIPE_FORMAT_A8R8G8B8_UNORM:
case PIPE_FORMAT_R5G6B5_UNORM:
return TRUE;
default:
break;
}
} else
if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
switch (format) {
case PIPE_FORMAT_Z24S8_UNORM:
case PIPE_FORMAT_Z24X8_UNORM:
case PIPE_FORMAT_Z16_UNORM:
return TRUE;
default:
break;
}
} else {
switch (format) {
case PIPE_FORMAT_A8R8G8B8_UNORM:
case PIPE_FORMAT_A1R5G5B5_UNORM:
case PIPE_FORMAT_A4R4G4B4_UNORM:
case PIPE_FORMAT_R5G6B5_UNORM:
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_A8_UNORM:
case PIPE_FORMAT_I8_UNORM:
return TRUE;
default:
break;
}
}
return FALSE;
}
static void
nv20_screen_destroy(struct pipe_screen *pscreen)
{
struct nv20_screen *screen = nv20_screen(pscreen);
nouveau_notifier_free(&screen->sync);
nouveau_grobj_free(&screen->kelvin);
nv04_surface_2d_takedown(&screen->eng2d);
nouveau_screen_fini(&screen->base);
FREE(pscreen);
}
static struct pipe_buffer *
nv20_surface_buffer(struct pipe_surface *surf)
{
struct nv20_miptree *mt = (struct nv20_miptree *)surf->texture;
return mt->buffer;
}
struct pipe_screen *
nv20_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev)
{
struct nv20_screen *screen = CALLOC_STRUCT(nv20_screen);
struct nouveau_channel *chan;
struct pipe_screen *pscreen;
unsigned kelvin_class = 0;
int ret;
if (!screen)
return NULL;
pscreen = &screen->base.base;
ret = nouveau_screen_init(&screen->base, dev);
if (ret) {
nv20_screen_destroy(pscreen);
return NULL;
}
chan = screen->base.channel;
pscreen->winsys = ws;
pscreen->destroy = nv20_screen_destroy;
pscreen->get_param = nv20_screen_get_param;
pscreen->get_paramf = nv20_screen_get_paramf;
pscreen->is_format_supported = nv20_screen_is_format_supported;
nv20_screen_init_miptree_functions(pscreen);
nv20_screen_init_transfer_functions(pscreen);
/* 3D object */
if (dev->chipset >= 0x25)
kelvin_class = NV25TCL;
else if (dev->chipset >= 0x20)
kelvin_class = NV20TCL;
if (!kelvin_class || dev->chipset >= 0x30) {
NOUVEAU_ERR("Unknown nv2x chipset: nv%02x\n", dev->chipset);
return NULL;
}
ret = nouveau_grobj_alloc(chan, 0xbeef0097, kelvin_class,
&screen->kelvin);
if (ret) {
NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
return FALSE;
}
/* 2D engine setup */
screen->eng2d = nv04_surface_2d_init(&screen->base);
screen->eng2d->buf = nv20_surface_buffer;
/* Notifier for sync purposes */
ret = nouveau_notifier_alloc(chan, 0xbeef0301, 1, &screen->sync);
if (ret) {
NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
nv20_screen_destroy(pscreen);
return NULL;
}
return pscreen;
}
|
