This is going to be exposed (and not the old entrypoint) for some DRI drivers once the megadrivers series lands, and the plan is to eventually transition all drivers to that. Hopefully this is unobtrusive enough to merge to stable X servers so that they can be compatible with new Mesa versions.
v2: typo fix in the comment Signed-off-by: Eric Anholt <[email protected]> Reviewed-by: Adam Jackson <[email protected]> --- glx/glxdricommon.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/glx/glxdricommon.c b/glx/glxdricommon.c index b027f24..0ab3e30 100644 --- a/glx/glxdricommon.c +++ b/glx/glxdricommon.c @@ -211,6 +211,14 @@ glxConvertConfigs(const __DRIcoreExtension * core, static const char dri_driver_path[] = DRI_DRIVER_PATH; +/* Temporary define to allow building without a dri_interface.h from + * updated Mesa. Some day when we don't care about Mesa that old any + * more this can be removed. + */ +#ifndef __DRI_DRIVER_GET_EXTENSIONS +#define __DRI_DRIVER_GET_EXTENSIONS "__driDriverGetExtensions" +#endif + void * glxProbeDriver(const char *driverName, void **coreExt, const char *coreName, int coreVersion, @@ -219,7 +227,8 @@ glxProbeDriver(const char *driverName, int i; void *driver; char filename[PATH_MAX]; - const __DRIextension **extensions; + char *get_extensions_name; + const __DRIextension **extensions = NULL; snprintf(filename, sizeof filename, "%s/%s_dri.so", dri_driver_path, driverName); @@ -231,7 +240,18 @@ glxProbeDriver(const char *driverName, goto cleanup_failure; } - extensions = dlsym(driver, __DRI_DRIVER_EXTENSIONS); + if (asprintf(&get_extensions_name, "%s_%s", + __DRI_DRIVER_GET_EXTENSIONS, driverName) != -1) { + const __DRIextension **(*get_extensions)(void); + + get_extensions = dlsym(driver, get_extensions_name); + if (get_extensions) + extensions = get_extensions(); + free(get_extensions_name); + } + + if (!extensions) + extensions = dlsym(driver, __DRI_DRIVER_EXTENSIONS); if (extensions == NULL) { LogMessage(X_ERROR, "AIGLX error: %s exports no extensions (%s)\n", driverName, dlerror()); -- 1.8.4.rc3 _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
