1 /* Copyright © 2013, Intel Corporation
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 * copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26 typedef struct context
28 /* Pointer to the system's context ID, (such as a GLXContext) */
31 /* Does this context have the AMD_performance_monitor extension? */
34 metrics_info_t metrics_info;
38 context_t *current_context;
41 check_extension (const char *extension);
44 context_create (fips_api_t api, void *system_context_id)
48 ctx = xcalloc (1, sizeof (*ctx));
50 ctx->system_id = system_context_id;
52 fips_dispatch_init (api);
54 ctx->have_perfmon = check_extension ("AMD_performance_monitor");
56 metrics_info_init (&ctx->metrics_info, ctx->have_perfmon);
57 ctx->metrics = metrics_create (&ctx->metrics_info);
63 context_destroy (context_t *ctx)
65 metrics_info_fini (&ctx->metrics_info);
69 context_enter (fips_api_t api, void *system_context_id)
71 /* Do nothing if the application is setting the same context
72 * as is already current. */
73 if (current_context && current_context->system_id == system_context_id)
77 context_destroy (current_context);
79 current_context = context_create (api, system_context_id);
81 metrics_set_current_op (current_context->metrics,
82 METRICS_OP_SHADER + 0);
83 metrics_counter_start (current_context->metrics);
89 context_t *ctx = current_context;
94 metrics_destroy (ctx->metrics);
98 context_counter_start (void)
100 metrics_counter_start (current_context->metrics);
104 context_counter_stop (void)
106 metrics_counter_stop (current_context->metrics);
110 context_set_current_op (metrics_op_t op)
112 metrics_set_current_op (current_context->metrics, op);
116 context_get_current_op (void)
118 return metrics_get_current_op (current_context->metrics);
122 context_end_frame (void)
124 return metrics_end_frame (current_context->metrics);
127 /* Is the given extension available? */
129 check_extension (const char *extension)
131 int i, num_extensions;
132 const char *available;
134 glGetIntegerv (GL_NUM_EXTENSIONS, &num_extensions);
136 for (i = 0; i < num_extensions; i++) {
137 available = (char *) glGetStringi (GL_EXTENSIONS, i);
138 if (strcmp (extension, available) == 0) {