-I$(top_srcdir)/src/egl/drivers/dri2 \
-I$(top_srcdir)/src/gbm/backends/dri \
-I$(top_builddir)/src/egl/wayland/wayland-drm \
- -I$(top_srcdir)/src/egl/wayland/wayland-drm \
- -DDEFAULT_DRIVER_DIR=\"$(DRI_DRIVER_SEARCH_DIR)\"
+ -I$(top_srcdir)/src/egl/wayland/wayland-drm
nodist_libEGL_common_la_SOURCES = \
$(dri2_backend_GENERATED_FILES)
dri2_open_driver(_EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
- const __DRIextension **extensions = NULL;
- char path[PATH_MAX], *search_paths, *next, *end;
- char *get_extensions_name;
- const __DRIextension **(*get_extensions)(void);
-
- search_paths = NULL;
- if (geteuid() == getuid()) {
- /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
- search_paths = getenv("LIBGL_DRIVERS_PATH");
- }
- if (search_paths == NULL)
- search_paths = DEFAULT_DRIVER_DIR;
-
- dri2_dpy->driver = NULL;
- end = search_paths + strlen(search_paths);
- for (char *p = search_paths; p < end; p = next + 1) {
- int len;
- next = strchr(p, ':');
- if (next == NULL)
- next = end;
-
- len = next - p;
-#if GLX_USE_TLS
- snprintf(path, sizeof path,
- "%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name);
- dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
-#endif
- if (dri2_dpy->driver == NULL) {
- snprintf(path, sizeof path,
- "%.*s/%s_dri.so", len, p, dri2_dpy->driver_name);
- dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
- if (dri2_dpy->driver == NULL)
- _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
- }
- /* not need continue to loop all paths once the driver is found */
- if (dri2_dpy->driver != NULL)
- break;
- }
-
- if (dri2_dpy->driver == NULL) {
- _eglLog(_EGL_WARNING,
- "DRI2: failed to open %s (search paths %s)",
- dri2_dpy->driver_name, search_paths);
- return NULL;
- }
-
- _eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
-
- get_extensions_name = loader_get_extensions_name(dri2_dpy->driver_name);
- if (get_extensions_name) {
- get_extensions = dlsym(dri2_dpy->driver, get_extensions_name);
- if (get_extensions) {
- extensions = get_extensions();
- } else {
- _eglLog(_EGL_DEBUG, "driver does not expose %s(): %s\n",
- get_extensions_name, dlerror());
- }
- free(get_extensions_name);
- }
-
- if (!extensions)
- extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
- if (extensions == NULL) {
- _eglLog(_EGL_WARNING,
- "DRI2: driver exports no extensions (%s)", dlerror());
- dlclose(dri2_dpy->driver);
- }
+ static const char *search_path_vars[] = {
+ "LIBGL_DRIVERS_PATH",
+ NULL,
+ };
- return extensions;
+ return loader_open_driver(dri2_dpy->driver_name,
+ &dri2_dpy->driver,
+ search_path_vars);
}
EGLBoolean
'drivers/dri2/egl_dri2.h',
'drivers/dri2/egl_dri2_fallbacks.h',
)
- c_args_for_egl += [
- '-DDEFAULT_DRIVER_DIR="@0@"'.format(dri_search_path),
- ]
if with_platform_x11
files_egl += files('drivers/dri2/platform_x11.c')
$(gbm_dri_FILES)
AM_CFLAGS += \
- -DDEFAULT_DRIVER_DIR='"$(DRI_DRIVER_SEARCH_DIR)"' \
$(LIBDRM_CFLAGS) \
$(PTHREADSTUBS_CFLAGS)
static const __DRIextension **
dri_open_driver(struct gbm_dri_device *dri)
{
- const __DRIextension **extensions = NULL;
- char path[PATH_MAX], *search_paths, *p, *next, *end;
- char *get_extensions_name;
-
- search_paths = NULL;
- /* don't allow setuid apps to use LIBGL_DRIVERS_PATH or GBM_DRIVERS_PATH */
- if (geteuid() == getuid()) {
- /* Read GBM_DRIVERS_PATH first for compatibility, but LIBGL_DRIVERS_PATH
- * is recommended over GBM_DRIVERS_PATH.
- */
- search_paths = getenv("GBM_DRIVERS_PATH");
-
- /* Read LIBGL_DRIVERS_PATH if GBM_DRIVERS_PATH was not set.
- * LIBGL_DRIVERS_PATH is recommended over GBM_DRIVERS_PATH.
- */
- if (search_paths == NULL) {
- search_paths = getenv("LIBGL_DRIVERS_PATH");
- }
- }
- if (search_paths == NULL)
- search_paths = DEFAULT_DRIVER_DIR;
-
/* Temporarily work around dri driver libs that need symbols in libglapi
* but don't automatically link it in.
*/
*/
dlopen("libglapi.so.0", RTLD_LAZY | RTLD_GLOBAL);
- dri->driver = NULL;
- end = search_paths + strlen(search_paths);
- for (p = search_paths; p < end && dri->driver == NULL; p = next + 1) {
- int len;
- next = strchr(p, ':');
- if (next == NULL)
- next = end;
-
- len = next - p;
-#if GLX_USE_TLS
- snprintf(path, sizeof path,
- "%.*s/tls/%s_dri.so", len, p, dri->driver_name);
- dri->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
-#endif
- if (dri->driver == NULL) {
- snprintf(path, sizeof path,
- "%.*s/%s_dri.so", len, p, dri->driver_name);
- dri->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
- }
- /* not need continue to loop all paths once the driver is found */
- if (dri->driver != NULL)
- break;
- }
-
- if (dri->driver == NULL) {
- fprintf(stderr, "gbm: failed to open any driver (search paths %s)\n",
- search_paths);
- fprintf(stderr, "gbm: Last dlopen error: %s\n", dlerror());
- return NULL;
- }
-
- get_extensions_name = loader_get_extensions_name(dri->driver_name);
- if (get_extensions_name) {
- const __DRIextension **(*get_extensions)(void);
-
- get_extensions = dlsym(dri->driver, get_extensions_name);
- free(get_extensions_name);
-
- if (get_extensions)
- extensions = get_extensions();
- }
-
- if (!extensions)
- extensions = dlsym(dri->driver, __DRI_DRIVER_EXTENSIONS);
- if (extensions == NULL) {
- fprintf(stderr, "gbm: driver exports no extensions (%s)", dlerror());
- dlclose(dri->driver);
- }
-
- return extensions;
+ static const char *search_path_vars[] = {
+ /* Read GBM_DRIVERS_PATH first for compatibility, but LIBGL_DRIVERS_PATH
+ * is recommended over GBM_DRIVERS_PATH.
+ */
+ "GBM_DRIVERS_PATH"
+ /* Read LIBGL_DRIVERS_PATH if GBM_DRIVERS_PATH was not set.
+ * LIBGL_DRIVERS_PATH is recommended over GBM_DRIVERS_PATH.
+ */
+ "LIBGL_DRIVERS_PATH",
+ NULL
+ };
+ return loader_open_driver(dri->driver_name, &dri->driver, search_path_vars);
}
static int
if with_dri2
files_gbm += files('backends/dri/gbm_dri.c', 'backends/dri/gbm_driint.h')
deps_gbm += dep_libdrm # TODO: pthread-stubs
- args_gbm += '-DDEFAULT_DRIVER_DIR="@0@"'.format(dri_search_path)
endif
if with_platform_wayland
deps_gbm += dep_wayland_server
$(VISIBILITY_CFLAGS) \
$(EXTRA_DEFINES_XF86VIDMODE) \
-D_REENTRANT \
- -DDEFAULT_DRIVER_DIR=\"$(DRI_DRIVER_SEARCH_DIR)\" \
$(DEFINES) \
$(LIBDRM_CFLAGS) \
$(DRI2PROTO_CFLAGS) \
'_REENTRANT',
])
-env.Append(CPPDEFINES = ['DEFAULT_DRIVER_DIR=\\"/usr/local/lib/dri\\"'])
-
env.Prepend(LIBS = [
libloader,
mesautil,
#define GL_LIB_NAME "libGL.so.1"
#endif
-static const __DRIextension **
-driGetDriverExtensions(void *handle, const char *driver_name);
-
/**
* Try to \c dlopen the named driver.
*
_X_HIDDEN const __DRIextension **
driOpenDriver(const char *driverName, void **out_driver_handle)
{
- void *glhandle, *handle;
- const char *libPaths, *p, *next;
- char realDriverName[200];
- int len;
+ void *glhandle;
/* Attempt to make sure libGL symbols will be visible to the driver */
glhandle = dlopen(GL_LIB_NAME, RTLD_NOW | RTLD_GLOBAL);
- libPaths = NULL;
- if (geteuid() == getuid()) {
- /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
- libPaths = getenv("LIBGL_DRIVERS_PATH");
- if (!libPaths)
- libPaths = getenv("LIBGL_DRIVERS_DIR"); /* deprecated */
- }
- if (libPaths == NULL)
- libPaths = DEFAULT_DRIVER_DIR;
-
- handle = NULL;
- for (p = libPaths; *p; p = next) {
- next = strchr(p, ':');
- if (next == NULL) {
- len = strlen(p);
- next = p + len;
- }
- else {
- len = next - p;
- next++;
- }
-
-#ifdef GLX_USE_TLS
- snprintf(realDriverName, sizeof realDriverName,
- "%.*s/tls/%s_dri.so", len, p, driverName);
- InfoMessageF("OpenDriver: trying %s\n", realDriverName);
- handle = dlopen(realDriverName, RTLD_NOW | RTLD_GLOBAL);
-#endif
-
- if (handle == NULL) {
- snprintf(realDriverName, sizeof realDriverName,
- "%.*s/%s_dri.so", len, p, driverName);
- InfoMessageF("OpenDriver: trying %s\n", realDriverName);
- handle = dlopen(realDriverName, RTLD_NOW | RTLD_GLOBAL);
- }
-
- if (handle != NULL)
- break;
- else
- InfoMessageF("dlopen %s failed (%s)\n", realDriverName, dlerror());
- }
+ static const char *search_path_vars[] = {
+ "LIBGL_DRIVERS_PATH",
+ "LIBGL_DRIVERS_DIR", /* deprecated */
+ NULL
+ };
- if (!handle)
- ErrorMessageF("unable to load driver: %s_dri.so\n", driverName);
+ const __DRIextension **extensions =
+ loader_open_driver(driverName, out_driver_handle, search_path_vars);
if (glhandle)
dlclose(glhandle);
- const __DRIextension **extensions = driGetDriverExtensions(handle,
- driverName);
- if (!extensions) {
- dlclose(handle);
- handle = NULL;
- }
-
- *out_driver_handle = handle;
- return extensions;
-}
-
-static const __DRIextension **
-driGetDriverExtensions(void *handle, const char *driver_name)
-{
- const __DRIextension **extensions = NULL;
- const __DRIextension **(*get_extensions)(void);
- char *get_extensions_name = loader_get_extensions_name(driver_name);
-
- if (get_extensions_name) {
- get_extensions = dlsym(handle, get_extensions_name);
- if (get_extensions) {
- free(get_extensions_name);
- return get_extensions();
- } else {
- InfoMessageF("driver does not expose %s(): %s\n",
- get_extensions_name, dlerror());
- free(get_extensions_name);
- }
- }
-
- extensions = dlsym(handle, __DRI_DRIVER_EXTENSIONS);
- if (extensions == NULL) {
- ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
- return NULL;
- }
-
return extensions;
}
gl_lib_cargs = [
'-D_REENTRANT',
- '-DDEFAULT_DRIVER_DIR="@0@"'.format(dri_search_path),
]
if dep_xxf86vm.found()
AM_CPPFLAGS = \
-I$(top_builddir)/src/util/ \
-DUSE_DRICONF \
+ -DDEFAULT_DRIVER_DIR=\"$(DRI_DRIVER_SEARCH_DIR)\" \
$(DEFINES) \
-I$(top_srcdir)/include \
-I$(top_srcdir)/include/drm-uapi \
env.PkgUseModules('DRM')
env.Append(CPPDEFINES = ['HAVE_LIBDRM'])
+env.Append(CPPDEFINES = ['DEFAULT_DRIVER_DIR=\\"/usr/local/lib/dri\\"'])
+
# parse Makefile.sources
sources = env.ParseSourceList('Makefile.sources', 'LOADER_C_FILES')
* Rob Clark <robclark@freedesktop.org>
*/
+#include <dlfcn.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
+#include <sys/param.h>
#ifdef MAJOR_IN_MKDEV
#include <sys/mkdev.h>
#endif
return name;
}
+
+/**
+ * Opens a DRI driver using its driver name, returning the __DRIextension
+ * entrypoints.
+ *
+ * \param driverName - a name like "i965", "radeon", "nouveau", etc.
+ * \param out_driver - Address where the dlopen() return value will be stored.
+ * \param search_path_vars - NULL-terminated list of env vars that can be used
+ * to override the DEFAULT_DRIVER_DIR search path.
+ */
+const struct __DRIextensionRec **
+loader_open_driver(const char *driver_name,
+ void **out_driver_handle,
+ const char **search_path_vars)
+{
+ char path[PATH_MAX], *search_paths, *next, *end;
+ char *get_extensions_name;
+ const struct __DRIextensionRec **extensions = NULL;
+ const struct __DRIextensionRec **(*get_extensions)(void);
+
+ search_paths = NULL;
+ if (geteuid() == getuid() && search_path_vars) {
+ for (int i = 0; search_path_vars[i] != NULL; i++) {
+ search_paths = getenv(search_path_vars[i]);
+ if (search_paths)
+ break;
+ }
+ }
+ if (search_paths == NULL)
+ search_paths = DEFAULT_DRIVER_DIR;
+
+ void *driver = NULL;
+ end = search_paths + strlen(search_paths);
+ for (char *p = search_paths; p < end; p = next + 1) {
+ int len;
+ next = strchr(p, ':');
+ if (next == NULL)
+ next = end;
+
+ len = next - p;
+#if GLX_USE_TLS
+ snprintf(path, sizeof(path), "%.*s/tls/%s_dri.so", len, p, driver_name);
+ driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
+#endif
+ if (driver == NULL) {
+ snprintf(path, sizeof(path), "%.*s/%s_dri.so", len, p, driver_name);
+ driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
+ if (driver == NULL)
+ log_(_LOADER_DEBUG, "MESA-LOADER: failed to open %s: %s\n",
+ path, dlerror());
+ }
+ /* not need continue to loop all paths once the driver is found */
+ if (driver != NULL)
+ break;
+ }
+
+ if (driver == NULL) {
+ log_(_LOADER_WARNING, "MESA-LOADER: failed to open %s (search paths %s)\n",
+ driver_name, search_paths);
+ *out_driver_handle = NULL;
+ return NULL;
+ }
+
+ log_(_LOADER_DEBUG, "MESA-LOADER: dlopen(%s)\n", path);
+
+ get_extensions_name = loader_get_extensions_name(driver_name);
+ if (get_extensions_name) {
+ get_extensions = dlsym(driver, get_extensions_name);
+ if (get_extensions) {
+ extensions = get_extensions();
+ } else {
+ log_(_LOADER_DEBUG, "MESA-LOADER: driver does not expose %s(): %s\n",
+ get_extensions_name, dlerror());
+ }
+ free(get_extensions_name);
+ }
+
+ if (!extensions)
+ extensions = dlsym(driver, __DRI_DRIVER_EXTENSIONS);
+ if (extensions == NULL) {
+ log_(_LOADER_WARNING,
+ "MESA-LOADER: driver exports no extensions (%s)\n", dlerror());
+ dlclose(driver);
+ }
+
+ *out_driver_handle = driver;
+ return extensions;
+}
extern "C" {
#endif
+struct __DRIextensionRec;
+
/* Helpers to figure out driver and device name, eg. from pci-id, etc. */
int
char *
loader_get_driver_for_fd(int fd);
+const struct __DRIextensionRec **
+loader_open_driver(const char *driver_name,
+ void **out_driver_handle,
+ const char **search_path_vars);
+
char *
loader_get_device_name_for_fd(int fd);
'loader',
['loader.c', 'loader.h', 'pci_id_driver_map.c', 'pci_id_driver_map.h',
xmlpool_options_h],
- c_args : [c_vis_args, '-DUSE_DRICONF'],
+ c_args : [c_vis_args, '-DUSE_DRICONF',
+ '-DDEFAULT_DRIVER_DIR="@0@"'.format(dri_search_path),
+],
include_directories : [inc_include, inc_src, inc_util],
dependencies : [dep_libdrm, dep_thread],
build_by_default : false,
projects / mesa.git / commitdiff