extern const GLubyte *
_mesa_get_enabled_extension(struct gl_context *ctx, GLuint index);
+
+/**
+ * \brief An element of the \c extension_table.
+ */
+struct extension {
+ /** Name of extension, such as "GL_ARB_depth_clamp". */
+ const char *name;
+
+ /** Offset (in bytes) of the corresponding member in struct gl_extensions. */
+ size_t offset;
+
+ /** Minimum version the extension requires for the given API
+ * (see gl_api defined in mtypes.h). The value is equal to:
+ * 10 * major_version + minor_version
+ */
+ uint8_t version[API_OPENGL_LAST + 1];
+
+ /** Year the extension was proposed or approved. Used to sort the
+ * extension string chronologically. */
+ uint16_t year;
+} extern const extension_table[];
+
+
+/* Generate enums for the functions below */
+enum {
+#define EXT(name_str, ...) MESA_EXTENSION_##name_str,
+#include "extensions_table.h"
+#undef EXT
+};
+
+
+/** Checks if the context suports a user-facing extension */
+#define EXT(name_str, driver_cap, ...) \
+static inline bool \
+_mesa_has_##name_str(const struct gl_context *ctx) \
+{ \
+ return ctx->Extensions.driver_cap && (ctx->Version >= \
+ extension_table[MESA_EXTENSION_##name_str].version[ctx->API]); \
+}
+#include "extensions_table.h"
+#undef EXT
+
extern struct gl_extensions _mesa_extension_override_enables;
extern struct gl_extensions _mesa_extension_override_disables;