/*@{*/
-/**
- * One-time initialization mutex lock.
- *
- * \sa Used by one_time_init().
- */
-mtx_t OneTimeLock = _MTX_INITIALIZER_NP;
-
-
/**
* Calls all the various one-time-fini functions in Mesa
*/
}
/**
- * Calls all the various one-time-init functions in Mesa.
- *
- * While holding a global mutex lock, calls several initialization functions,
- * and sets the glapi callbacks if the \c MESA_DEBUG environment variable is
- * defined.
- *
- * \sa _math_init().
+ * Calls all the various one-time-init functions in Mesa
*/
+
static void
-one_time_init( struct gl_context *ctx )
+one_time_init(void)
{
- static GLbitfield api_init_mask = 0x0;
-
- mtx_lock(&OneTimeLock);
-
- /* truly one-time init */
- if (!api_init_mask) {
- GLuint i;
+ GLuint i;
- STATIC_ASSERT(sizeof(GLbyte) == 1);
- STATIC_ASSERT(sizeof(GLubyte) == 1);
- STATIC_ASSERT(sizeof(GLshort) == 2);
- STATIC_ASSERT(sizeof(GLushort) == 2);
- STATIC_ASSERT(sizeof(GLint) == 4);
- STATIC_ASSERT(sizeof(GLuint) == 4);
+ STATIC_ASSERT(sizeof(GLbyte) == 1);
+ STATIC_ASSERT(sizeof(GLubyte) == 1);
+ STATIC_ASSERT(sizeof(GLshort) == 2);
+ STATIC_ASSERT(sizeof(GLushort) == 2);
+ STATIC_ASSERT(sizeof(GLint) == 4);
+ STATIC_ASSERT(sizeof(GLuint) == 4);
- _mesa_locale_init();
+ _mesa_locale_init();
- _mesa_one_time_init_extension_overrides();
+ _mesa_one_time_init_extension_overrides();
- _mesa_get_cpu_features();
+ _mesa_get_cpu_features();
- for (i = 0; i < 256; i++) {
- _mesa_ubyte_to_float_color_tab[i] = (float) i / 255.0F;
- }
+ for (i = 0; i < 256; i++) {
+ _mesa_ubyte_to_float_color_tab[i] = (float) i / 255.0F;
+ }
- atexit(one_time_fini);
+ atexit(one_time_fini);
#if defined(DEBUG)
- if (MESA_VERBOSE != 0) {
- _mesa_debug(ctx, "Mesa " PACKAGE_VERSION " DEBUG build" MESA_GIT_SHA1 "\n");
- }
+ if (MESA_VERBOSE != 0) {
+ _mesa_debug(NULL, "Mesa " PACKAGE_VERSION " DEBUG build" MESA_GIT_SHA1 "\n");
+ }
#endif
- /* Take a glsl type reference for the duration of libGL's life to avoid
- * unecessary creation/destruction of glsl types.
- */
- glsl_type_singleton_init_or_ref();
- }
+ /* Take a glsl type reference for the duration of libGL's life to avoid
+ * unecessary creation/destruction of glsl types.
+ */
+ glsl_type_singleton_init_or_ref();
- /* per-API one-time init */
- if (!(api_init_mask & (1 << ctx->API))) {
- _mesa_init_remap_table();
- }
+ _mesa_init_remap_table();
+}
- api_init_mask |= 1 << ctx->API;
+/**
+ * One-time initialization flag
+ *
+ * \sa Used by _mesa_initialize().
+ */
+static once_flag init_once = ONCE_FLAG_INIT;
- mtx_unlock(&OneTimeLock);
+
+/**
+ * Calls all the various one-time-init functions in Mesa.
+ *
+ * While holding a global mutex lock, calls several initialization functions,
+ * and sets the glapi callbacks if the \c MESA_DEBUG environment variable is
+ * defined.
+ *
+ * \sa _math_init().
+ */
+void
+_mesa_initialize(void)
+{
+ call_once(&init_once, one_time_init);
}
_mesa_override_gl_version(ctx);
/* misc one-time initializations */
- one_time_init(ctx);
+ _mesa_initialize();
/* Plug in driver functions and context pointer here.
* This is important because when we call alloc_shared_state() below