summaryrefslogtreecommitdiffstats
path: root/src/gallium/auxiliary/util/u_caps.c
blob: 6230707552e87bdc537a989597ff61343ee55fe0 (plain)
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
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
/**************************************************************************
 *
 * Copyright 2010 Vmware, Inc.
 * 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 VMWARE 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 "pipe/p_screen.h"
#include "util/u_format.h"
#include "util/u_debug.h"
#include "u_caps.h"

/**
 * Iterates over a list of caps checks as defined in u_caps.h. Should
 * all checks pass returns TRUE and out is set to the last element of
 * the list (TERMINATE). Should any check fail returns FALSE and set
 * out to the index of the start of the first failing check.
 */
boolean
util_check_caps_out(struct pipe_screen *screen, const unsigned *list, int *out)
{
   int i, tmpi;
   float tmpf;

   for (i = 0; list[i];) {
      switch(list[i++]) {
      case UTIL_CAPS_CHECK_CAP:
         if (!screen->get_param(screen, list[i++])) {
            *out = i - 2;
            return FALSE;
         }
         break;
      case UTIL_CAPS_CHECK_INT:
         tmpi = screen->get_param(screen, list[i++]);
         if (tmpi < (int)list[i++]) {
            *out = i - 3;
            return FALSE;
         }
         break;
      case UTIL_CAPS_CHECK_FLOAT:
         tmpf = screen->get_paramf(screen, list[i++]);
         if (tmpf < (float)list[i++]) {
            *out = i - 3;
            return FALSE;
         }
         break;
      case UTIL_CAPS_CHECK_FORMAT:
         if (!screen->is_format_supported(screen,
                                          list[i++],
                                          PIPE_TEXTURE_2D,
                                          0,
                                          PIPE_BIND_SAMPLER_VIEW)) {
            *out = i - 2;
            return FALSE;
         }
         break;
      case UTIL_CAPS_CHECK_SHADER:
         tmpi = screen->get_shader_param(screen, list[i] >> 24, list[i] & ((1 << 24) - 1));
         ++i;
         if (tmpi < (int)list[i++]) {
            *out = i - 3;
            return FALSE;
         }
         break;
      case UTIL_CAPS_CHECK_UNIMPLEMENTED:
         *out = i - 1;
         return FALSE;
      default:
         assert(!"Unsupported check");
         return FALSE;
      }
   }

   *out = i;
   return TRUE;
}

/**
 * Iterates over a list of caps checks as defined in u_caps.h.
 * Returns TRUE if all caps checks pass returns FALSE otherwise.
 */
boolean
util_check_caps(struct pipe_screen *screen, const unsigned *list)
{
   int out;
   return util_check_caps_out(screen, list, &out);
}


/*
 * Below follows some demo lists.
 *
 * None of these lists are exhausting lists of what is
 * actually needed to support said API and more here for
 * as example on how to uses the above functions. Especially
 * for DX10 and DX11 where Gallium is missing features.
 */

/* DX 9_1 */
static unsigned caps_dx_9_1[] = {
   UTIL_CHECK_INT(MAX_RENDER_TARGETS, 1),
   UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 12),    /* 2048 */
   UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 9),     /* 256 */
   UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 10),  /* 512 */
   UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 2),
   UTIL_CHECK_TERMINATE
};

/* DX 9_2 */
static unsigned caps_dx_9_2[] = {
   UTIL_CHECK_CAP(OCCLUSION_QUERY),
   UTIL_CHECK_CAP(BLEND_EQUATION_SEPARATE),
   UTIL_CHECK_INT(MAX_RENDER_TARGETS, 1),
   UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 12),    /* 2048 */
   UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 9),     /* 256 */
   UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 10),  /* 512 */
   UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
   UTIL_CHECK_TERMINATE
};

/* DX 9_3 */
static unsigned caps_dx_9_3[] = {
   UTIL_CHECK_CAP(SM3),
 //UTIL_CHECK_CAP(INSTANCING),
   UTIL_CHECK_CAP(OCCLUSION_QUERY),
   UTIL_CHECK_INT(MAX_RENDER_TARGETS, 4),
   UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 13),    /* 4096 */
   UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 9),     /* 256 */
   UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 10),  /* 512 */
   UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
   UTIL_CHECK_TERMINATE
};

/* DX 10 */
static unsigned caps_dx_10[] = {
   UTIL_CHECK_CAP(SM3),
 //UTIL_CHECK_CAP(INSTANCING),
   UTIL_CHECK_CAP(OCCLUSION_QUERY),
   UTIL_CHECK_INT(MAX_RENDER_TARGETS, 8),
   UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 14),    /* 8192 */
   UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 12),    /* 2048 */
   UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 14),  /* 8192 */
   UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
   UTIL_CHECK_UNIMPLEMENTED, /* XXX Unimplemented features in Gallium */
   UTIL_CHECK_TERMINATE
};

/* DX11 */
static unsigned caps_dx_11[] = {
   UTIL_CHECK_CAP(SM3),
 //UTIL_CHECK_CAP(INSTANCING),
   UTIL_CHECK_CAP(OCCLUSION_QUERY),
   UTIL_CHECK_INT(MAX_RENDER_TARGETS, 8),
   UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 14),    /* 16384 */
   UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 12),    /* 2048 */
   UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 14),  /* 16384 */
   UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
   UTIL_CHECK_FORMAT(B8G8R8A8_UNORM),
   UTIL_CHECK_UNIMPLEMENTED, /* XXX Unimplemented features in Gallium */
   UTIL_CHECK_TERMINATE
};

/* OpenGL 2.1 */
static unsigned caps_opengl_2_1[] = {
   UTIL_CHECK_CAP(OCCLUSION_QUERY),
   UTIL_CHECK_CAP(TWO_SIDED_STENCIL),
   UTIL_CHECK_CAP(BLEND_EQUATION_SEPARATE),
   UTIL_CHECK_INT(MAX_RENDER_TARGETS, 2),
   UTIL_CHECK_TERMINATE
};

/* OpenGL 3.0 */
/* UTIL_CHECK_INT(MAX_RENDER_TARGETS, 8), */

/* Shader Model 3 */
static unsigned caps_sm3[] = {
    UTIL_CHECK_SHADER(FRAGMENT, MAX_INSTRUCTIONS, 512),
    UTIL_CHECK_SHADER(FRAGMENT, MAX_INPUTS, 10),
    UTIL_CHECK_SHADER(FRAGMENT, MAX_TEMPS, 32),
    UTIL_CHECK_SHADER(FRAGMENT, MAX_ADDRS, 1),
    UTIL_CHECK_SHADER(FRAGMENT, MAX_CONSTS, 224),

    UTIL_CHECK_SHADER(VERTEX, MAX_INSTRUCTIONS, 512),
    UTIL_CHECK_SHADER(VERTEX, MAX_INPUTS, 16),
    UTIL_CHECK_SHADER(VERTEX, MAX_TEMPS, 32),
    UTIL_CHECK_SHADER(VERTEX, MAX_ADDRS, 2),
    UTIL_CHECK_SHADER(VERTEX, MAX_CONSTS, 256),

    UTIL_CHECK_TERMINATE
};

/**
 * Demo function which checks against theoretical caps needed for different APIs.
 */
void util_caps_demo_print(struct pipe_screen *screen)
{
   struct {
      char* name;
      unsigned *list;
   } list[] = {
      {"DX 9.1", caps_dx_9_1},
      {"DX 9.2", caps_dx_9_2},
      {"DX 9.3", caps_dx_9_3},
      {"DX 10", caps_dx_10},
      {"DX 11", caps_dx_11},
      {"OpenGL 2.1", caps_opengl_2_1},
/*    {"OpenGL 3.0", caps_opengl_3_0},*/
      {"SM3", caps_sm3},
      {NULL, NULL}
   };
   int i, out = 0;

   for (i = 0; list[i].name; i++) {
      if (util_check_caps_out(screen, list[i].list, &out)) {
         debug_printf("%s: %s yes\n", __FUNCTION__, list[i].name);
         continue;
      }
      switch (list[i].list[out]) {
      case UTIL_CAPS_CHECK_CAP:
         debug_printf("%s: %s no (cap %u not supported)\n", __FUNCTION__,
                      list[i].name,
                      list[i].list[out + 1]);
         break;
      case UTIL_CAPS_CHECK_INT:
         debug_printf("%s: %s no (cap %u less then %u)\n", __FUNCTION__,
                      list[i].name,
                      list[i].list[out + 1],
                      list[i].list[out + 2]);
         break;
      case UTIL_CAPS_CHECK_FLOAT:
         debug_printf("%s: %s no (cap %u less then %f)\n", __FUNCTION__,
                      list[i].name,
                      list[i].list[out + 1],
                      (double)(int)list[i].list[out + 2]);
         break;
      case UTIL_CAPS_CHECK_FORMAT:
         debug_printf("%s: %s no (format %s not supported)\n", __FUNCTION__,
                      list[i].name,
                      util_format_name(list[i].list[out + 1]) + 12);
         break;
      case UTIL_CAPS_CHECK_UNIMPLEMENTED:
         debug_printf("%s: %s no (not implemented in gallium or state tracker)\n",
                      __FUNCTION__, list[i].name);
         break;
      default:
            assert(!"Unsupported check");
      }
   }
}