Add explicit link to libpthread, to work around debugging issues

[fips] / context.c

diff --git a/context.c b/context.c
index 133c37c168d6b04016579cbf3ccbd3938f11e241..3c58a60e6b2fbd76ca7a13dfaa3248f67fd43828 100644 (file)
--- a/context.c
+++ b/context.c
@@ -28,12 +28,18 @@ typedef struct context
        /* Pointer to the system's context ID, (such as a GLXContext) */
        void *system_id;
 
+       /* Does this context have the AMD_performance_monitor extension? */
+       bool have_perfmon;
+
        metrics_info_t metrics_info;
        metrics_t *metrics;
 } context_t;
 
 context_t *current_context;
 
+static bool
+check_extension (const char *extension);
+
 static context_t *
 context_create (fips_api_t api, void *system_context_id)
 {
@@ -45,7 +51,9 @@ context_create (fips_api_t api, void *system_context_id)
 
        fips_dispatch_init (api);
 
-       metrics_info_init (&ctx->metrics_info);
+       ctx->have_perfmon = check_extension ("GL_AMD_performance_monitor");
+
+       metrics_info_init (&ctx->metrics_info, ctx->have_perfmon);
        ctx->metrics = metrics_create (&ctx->metrics_info);
 
        return ctx;
@@ -115,3 +123,22 @@ context_end_frame (void)
 {
        return metrics_end_frame (current_context->metrics);
 }
+
+/* Is the given extension available? */
+static bool
+check_extension (const char *extension)
+{
+       int i, num_extensions;
+       const char *available;
+
+       glGetIntegerv (GL_NUM_EXTENSIONS, &num_extensions);
+
+       for (i = 0; i < num_extensions; i++) {
+               available = (char *) glGetStringi (GL_EXTENSIONS, i);
+               if (strcmp (extension, available) == 0) {
+                       return true;
+               }
+       }
+
+       return false;
+}