1 /**************************************************************************
2 *
3 * Copyright 2010 Vmware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 #include "pipe/p_screen.h"
29 #include "util/u_format.h"
30 #include "util/u_debug.h"
31 #include "u_caps.h"
32
33 /**
34 * Iterates over a list of caps checks as defined in u_caps.h. Should
35 * all checks pass returns TRUE and out is set to the last element of
36 * the list (TERMINATE). Should any check fail returns FALSE and set
37 * out to the index of the start of the first failing check.
38 */
39 boolean
util_check_caps_out(struct pipe_screen * screen,const unsigned * list,int * out)40 util_check_caps_out(struct pipe_screen *screen, const unsigned *list, int *out)
41 {
42 int i, tmpi;
43 float tmpf;
44
45 for (i = 0; list[i];) {
46 switch(list[i++]) {
47 case UTIL_CAPS_CHECK_CAP:
48 if (!screen->get_param(screen, list[i++])) {
49 *out = i - 2;
50 return FALSE;
51 }
52 break;
53 case UTIL_CAPS_CHECK_INT:
54 tmpi = screen->get_param(screen, list[i++]);
55 if (tmpi < (int)list[i++]) {
56 *out = i - 3;
57 return FALSE;
58 }
59 break;
60 case UTIL_CAPS_CHECK_FLOAT:
61 tmpf = screen->get_paramf(screen, list[i++]);
62 if (tmpf < (float)list[i++]) {
63 *out = i - 3;
64 return FALSE;
65 }
66 break;
67 case UTIL_CAPS_CHECK_FORMAT:
68 if (!screen->is_format_supported(screen,
69 list[i++],
70 PIPE_TEXTURE_2D,
71 0,
72 PIPE_BIND_SAMPLER_VIEW)) {
73 *out = i - 2;
74 return FALSE;
75 }
76 break;
77 case UTIL_CAPS_CHECK_SHADER:
78 tmpi = screen->get_shader_param(screen, list[i] >> 24, list[i] & ((1 << 24) - 1));
79 ++i;
80 if (tmpi < (int)list[i++]) {
81 *out = i - 3;
82 return FALSE;
83 }
84 break;
85 case UTIL_CAPS_CHECK_UNIMPLEMENTED:
86 *out = i - 1;
87 return FALSE;
88 default:
89 assert(!"Unsupported check");
90 return FALSE;
91 }
92 }
93
94 *out = i;
95 return TRUE;
96 }
97
98 /**
99 * Iterates over a list of caps checks as defined in u_caps.h.
100 * Returns TRUE if all caps checks pass returns FALSE otherwise.
101 */
102 boolean
util_check_caps(struct pipe_screen * screen,const unsigned * list)103 util_check_caps(struct pipe_screen *screen, const unsigned *list)
104 {
105 int out;
106 return util_check_caps_out(screen, list, &out);
107 }
108
109
110 /*
111 * Below follows some demo lists.
112 *
113 * None of these lists are exhausting lists of what is
114 * actually needed to support said API and more here for
115 * as example on how to uses the above functions. Especially
116 * for DX10 and DX11 where Gallium is missing features.
117 */
118
119 /* DX 9_1 */
120 static unsigned caps_dx_9_1[] = {
121 UTIL_CHECK_INT(MAX_RENDER_TARGETS, 1),
122 UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 12), /* 2048 */
123 UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 9), /* 256 */
124 UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 10), /* 512 */
125 UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 2),
126 UTIL_CHECK_TERMINATE
127 };
128
129 /* DX 9_2 */
130 static unsigned caps_dx_9_2[] = {
131 UTIL_CHECK_CAP(OCCLUSION_QUERY),
132 UTIL_CHECK_CAP(BLEND_EQUATION_SEPARATE),
133 UTIL_CHECK_INT(MAX_RENDER_TARGETS, 1),
134 UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 12), /* 2048 */
135 UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 9), /* 256 */
136 UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 10), /* 512 */
137 UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
138 UTIL_CHECK_TERMINATE
139 };
140
141 /* DX 9_3 */
142 static unsigned caps_dx_9_3[] = {
143 UTIL_CHECK_CAP(SM3),
144 //UTIL_CHECK_CAP(INSTANCING),
145 UTIL_CHECK_CAP(OCCLUSION_QUERY),
146 UTIL_CHECK_INT(MAX_RENDER_TARGETS, 4),
147 UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 13), /* 4096 */
148 UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 9), /* 256 */
149 UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 10), /* 512 */
150 UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
151 UTIL_CHECK_TERMINATE
152 };
153
154 /* DX 10 */
155 static unsigned caps_dx_10[] = {
156 UTIL_CHECK_CAP(SM3),
157 //UTIL_CHECK_CAP(INSTANCING),
158 UTIL_CHECK_CAP(OCCLUSION_QUERY),
159 UTIL_CHECK_INT(MAX_RENDER_TARGETS, 8),
160 UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 14), /* 8192 */
161 UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 12), /* 2048 */
162 UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 14), /* 8192 */
163 UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
164 UTIL_CHECK_UNIMPLEMENTED, /* XXX Unimplemented features in Gallium */
165 UTIL_CHECK_TERMINATE
166 };
167
168 /* DX11 */
169 static unsigned caps_dx_11[] = {
170 UTIL_CHECK_CAP(SM3),
171 //UTIL_CHECK_CAP(INSTANCING),
172 UTIL_CHECK_CAP(OCCLUSION_QUERY),
173 UTIL_CHECK_INT(MAX_RENDER_TARGETS, 8),
174 UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 14), /* 16384 */
175 UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 12), /* 2048 */
176 UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 14), /* 16384 */
177 UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
178 UTIL_CHECK_FORMAT(B8G8R8A8_UNORM),
179 UTIL_CHECK_UNIMPLEMENTED, /* XXX Unimplemented features in Gallium */
180 UTIL_CHECK_TERMINATE
181 };
182
183 /* OpenGL 2.1 */
184 static unsigned caps_opengl_2_1[] = {
185 UTIL_CHECK_CAP(OCCLUSION_QUERY),
186 UTIL_CHECK_CAP(TWO_SIDED_STENCIL),
187 UTIL_CHECK_CAP(BLEND_EQUATION_SEPARATE),
188 UTIL_CHECK_INT(MAX_RENDER_TARGETS, 2),
189 UTIL_CHECK_TERMINATE
190 };
191
192 /* OpenGL 3.0 */
193 /* UTIL_CHECK_INT(MAX_RENDER_TARGETS, 8), */
194
195 /* Shader Model 3 */
196 static unsigned caps_sm3[] = {
197 UTIL_CHECK_SHADER(FRAGMENT, MAX_INSTRUCTIONS, 512),
198 UTIL_CHECK_SHADER(FRAGMENT, MAX_INPUTS, 10),
199 UTIL_CHECK_SHADER(FRAGMENT, MAX_TEMPS, 32),
200 UTIL_CHECK_SHADER(FRAGMENT, MAX_ADDRS, 1),
201 UTIL_CHECK_SHADER(FRAGMENT, MAX_CONSTS, 224),
202
203 UTIL_CHECK_SHADER(VERTEX, MAX_INSTRUCTIONS, 512),
204 UTIL_CHECK_SHADER(VERTEX, MAX_INPUTS, 16),
205 UTIL_CHECK_SHADER(VERTEX, MAX_TEMPS, 32),
206 UTIL_CHECK_SHADER(VERTEX, MAX_ADDRS, 2),
207 UTIL_CHECK_SHADER(VERTEX, MAX_CONSTS, 256),
208
209 UTIL_CHECK_TERMINATE
210 };
211
212 /**
213 * Demo function which checks against theoretical caps needed for different APIs.
214 */
util_caps_demo_print(struct pipe_screen * screen)215 void util_caps_demo_print(struct pipe_screen *screen)
216 {
217 struct {
218 char* name;
219 unsigned *list;
220 } list[] = {
221 {"DX 9.1", caps_dx_9_1},
222 {"DX 9.2", caps_dx_9_2},
223 {"DX 9.3", caps_dx_9_3},
224 {"DX 10", caps_dx_10},
225 {"DX 11", caps_dx_11},
226 {"OpenGL 2.1", caps_opengl_2_1},
227 /* {"OpenGL 3.0", caps_opengl_3_0},*/
228 {"SM3", caps_sm3},
229 {NULL, NULL}
230 };
231 int i, out = 0;
232
233 for (i = 0; list[i].name; i++) {
234 if (util_check_caps_out(screen, list[i].list, &out)) {
235 debug_printf("%s: %s yes\n", __FUNCTION__, list[i].name);
236 continue;
237 }
238 switch (list[i].list[out]) {
239 case UTIL_CAPS_CHECK_CAP:
240 debug_printf("%s: %s no (cap %u not supported)\n", __FUNCTION__,
241 list[i].name,
242 list[i].list[out + 1]);
243 break;
244 case UTIL_CAPS_CHECK_INT:
245 debug_printf("%s: %s no (cap %u less then %u)\n", __FUNCTION__,
246 list[i].name,
247 list[i].list[out + 1],
248 list[i].list[out + 2]);
249 break;
250 case UTIL_CAPS_CHECK_FLOAT:
251 debug_printf("%s: %s no (cap %u less then %f)\n", __FUNCTION__,
252 list[i].name,
253 list[i].list[out + 1],
254 (double)(int)list[i].list[out + 2]);
255 break;
256 case UTIL_CAPS_CHECK_FORMAT:
257 debug_printf("%s: %s no (format %s not supported)\n", __FUNCTION__,
258 list[i].name,
259 util_format_name(list[i].list[out + 1]) + 12);
260 break;
261 case UTIL_CAPS_CHECK_UNIMPLEMENTED:
262 debug_printf("%s: %s no (not implemented in gallium or state tracker)\n",
263 __FUNCTION__, list[i].name);
264 break;
265 default:
266 assert(!"Unsupported check");
267 }
268 }
269 }
270