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
|
/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "util/u_memory.h"
#include "util/u_simple_screen.h"
#include "pipe/internal/p_winsys_screen.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "sp_texture.h"
#include "sp_winsys.h"
#include "sp_screen.h"
static const char *
softpipe_get_vendor(struct pipe_screen *screen)
{
return "VMware, Inc.";
}
static const char *
softpipe_get_name(struct pipe_screen *screen)
{
return "softpipe";
}
static int
softpipe_get_param(struct pipe_screen *screen, int param)
{
switch (param) {
case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
return PIPE_MAX_SAMPLERS;
case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
return PIPE_MAX_VERTEX_SAMPLERS;
case PIPE_CAP_MAX_COMBINED_SAMPLERS:
return PIPE_MAX_SAMPLERS + PIPE_MAX_VERTEX_SAMPLERS;
case PIPE_CAP_NPOT_TEXTURES:
return 1;
case PIPE_CAP_TWO_SIDED_STENCIL:
return 1;
case PIPE_CAP_GLSL:
return 1;
case PIPE_CAP_ANISOTROPIC_FILTER:
return 0;
case PIPE_CAP_POINT_SPRITE:
return 1;
case PIPE_CAP_MAX_RENDER_TARGETS:
return PIPE_MAX_COLOR_BUFS;
case PIPE_CAP_OCCLUSION_QUERY:
return 1;
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
return 1;
case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
return 1;
case PIPE_CAP_TEXTURE_SHADOW_MAP:
return 1;
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
return 13; /* max 4Kx4K */
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
return 9; /* max 256x256x256 */
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
return 13; /* max 4Kx4K */
case PIPE_CAP_TGSI_CONT_SUPPORTED:
return 1;
case PIPE_CAP_BLEND_EQUATION_SEPARATE:
return 1;
default:
return 0;
}
}
static float
softpipe_get_paramf(struct pipe_screen *screen, int param)
{
switch (param) {
case PIPE_CAP_MAX_LINE_WIDTH:
/* fall-through */
case PIPE_CAP_MAX_LINE_WIDTH_AA:
return 255.0; /* arbitrary */
case PIPE_CAP_MAX_POINT_WIDTH:
/* fall-through */
case PIPE_CAP_MAX_POINT_WIDTH_AA:
return 255.0; /* arbitrary */
case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
return 16.0; /* not actually signficant at this time */
case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
return 16.0; /* arbitrary */
default:
return 0;
}
}
/**
* Query format support for creating a texture, drawing surface, etc.
* \param format the format to test
* \param type one of PIPE_TEXTURE, PIPE_SURFACE
*/
static boolean
softpipe_is_format_supported( struct pipe_screen *screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned tex_usage,
unsigned geom_flags )
{
assert(target == PIPE_TEXTURE_1D ||
target == PIPE_TEXTURE_2D ||
target == PIPE_TEXTURE_3D ||
target == PIPE_TEXTURE_CUBE);
switch(format) {
case PIPE_FORMAT_L16_UNORM:
case PIPE_FORMAT_YCBCR_REV:
case PIPE_FORMAT_YCBCR:
case PIPE_FORMAT_DXT1_RGB:
case PIPE_FORMAT_DXT1_RGBA:
case PIPE_FORMAT_DXT3_RGBA:
case PIPE_FORMAT_DXT5_RGBA:
case PIPE_FORMAT_Z32_FLOAT:
case PIPE_FORMAT_R8G8_SNORM:
case PIPE_FORMAT_B6UG5SR5S_NORM:
case PIPE_FORMAT_X8UB8UG8SR8S_NORM:
case PIPE_FORMAT_A8B8G8R8_SNORM:
return FALSE;
default:
return TRUE;
}
}
static void
softpipe_destroy_screen( struct pipe_screen *screen )
{
struct pipe_winsys *winsys = screen->winsys;
if(winsys->destroy)
winsys->destroy(winsys);
FREE(screen);
}
/**
* Create a new pipe_screen object
* Note: we're not presently subclassing pipe_screen (no softpipe_screen).
*/
struct pipe_screen *
softpipe_create_screen(struct pipe_winsys *winsys)
{
struct softpipe_screen *screen = CALLOC_STRUCT(softpipe_screen);
if (!screen)
return NULL;
screen->base.winsys = winsys;
screen->base.destroy = softpipe_destroy_screen;
screen->base.get_name = softpipe_get_name;
screen->base.get_vendor = softpipe_get_vendor;
screen->base.get_param = softpipe_get_param;
screen->base.get_paramf = softpipe_get_paramf;
screen->base.is_format_supported = softpipe_is_format_supported;
softpipe_init_screen_texture_funcs(&screen->base);
u_simple_screen_init(&screen->base);
return &screen->base;
}
|
