X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=context.c;h=284e4ae8d8e7ce246e37246fc616ad77b6d3713f;hb=316481c29241d6ba004f644d4b0d3198b2a2ec3f;hp=6fbd7f2228ea2bfc2ff3b4b1d2d933f24f4ed27a;hpb=bc106316b96ce7bfdbec3ee54ba37e49f156dea5;p=fips

diff --git a/context.c b/context.c
index 6fbd7f2..284e4ae 100644
--- a/context.c
+++ b/context.c
@@ -20,15 +20,45 @@
  */
 
 #include "context.h"
-
 #include "metrics.h"
+#include "xmalloc.h"
 
-void
-context_enter (fips_api_t api, void *system_context_id unused)
+context_t *current_context;
+
+static context_t *
+context_create (fips_api_t api, void *system_context_id)
 {
+	context_t *ctx;
+
+	ctx = xcalloc (1, sizeof (*ctx));
+
+	ctx->system_id = system_context_id;
+
 	fips_dispatch_init (api);
 
-	metrics_info_init ();
+	metrics_info_init (&ctx->metrics_info);
+
+	return ctx;
+}
+
+static void
+context_destroy (context_t *ctx)
+{
+	metrics_info_fini (&ctx->metrics_info);
+}
+
+void
+context_enter (fips_api_t api, void *system_context_id)
+{
+	/* Do nothing if the application is setting the same context
+	 * as is already current. */
+	if (current_context && current_context->system_id == system_context_id)
+		return;
+
+	if (current_context)
+		context_destroy (current_context);
+
+	current_context = context_create (api, system_context_id);
 
 	metrics_set_current_op (METRICS_OP_SHADER + 0);
 	metrics_counter_start ();
@@ -37,5 +67,54 @@ context_enter (fips_api_t api, void *system_context_id unused)
 void
 context_leave (void)
 {
-	metrics_info_fini ();
+	context_t *ctx = current_context;
+	timer_query_t *timer, *timer_next;
+	monitor_t *monitor, *monitor_next;
+
+	if (ctx == NULL)
+		return;
+
+	metrics_collect_available ();
+
+	if (ctx->timer_begun_id) {
+		glEndQuery (GL_TIME_ELAPSED);
+		glDeleteQueries (1, &ctx->timer_begun_id);
+		ctx->timer_begun_id = 0;
+	}
+
+	for (timer = ctx->timer_head;
+	     timer;
+	     timer = timer_next)
+	{
+		glDeleteQueries (1, &timer->id);
+		timer_next = timer->next;
+		free (timer);
+	}
+	ctx->timer_head = NULL;
+	ctx->timer_tail = NULL;
+
+	if (ctx->monitor_begun_id) {
+		glEndPerfMonitorAMD (ctx->monitor_begun_id);
+		glDeletePerfMonitorsAMD (1, &ctx->monitor_begun_id);
+		ctx->monitor_begun_id = 0;
+	}
+
+	for (monitor = ctx->monitor_head;
+	     monitor;
+	     monitor = monitor_next)
+	{
+		glDeletePerfMonitorsAMD (1, &monitor->id);
+		monitor_next = monitor->next;
+		free (monitor);
+	}
+	ctx->monitor_head = NULL;
+	ctx->monitor_tail = NULL;
+
+	ctx->monitors_in_flight = 0;
+}
+
+context_t *
+context_get_current (void)
+{
+	return current_context;
 }