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authorKristian Høgsberg <krh@bitplanet.net>2010-03-02 15:34:18 -0500
committerKristian Høgsberg <krh@bitplanet.net>2010-03-03 10:47:49 -0500
commit400734258453fb8cb22a467d18779ad3acf4e53f (patch)
tree43e512d7cbe28cbe0f54bec74f8a010fc3101473 /src
parentaf3f1bb26980537522a1586fef3fc3c208b44ebc (diff)
egl_dri2: Factor out DRI2 protocol bits from initialize.
Diffstat (limited to 'src')
-rw-r--r--src/egl/drivers/dri2/egl_dri2.c241
1 files changed, 155 insertions, 86 deletions
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index d775b5e6a2..15b3529cd2 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -62,6 +62,7 @@ struct dri2_egl_display
int dri2_major;
int dri2_minor;
__DRIscreen *dri_screen;
+ const __DRIconfig **driver_configs;
void *driver;
__DRIcoreExtension *core;
__DRIdri2Extension *dri2;
@@ -70,6 +71,9 @@ struct dri2_egl_display
__DRIimageExtension *image;
int fd;
+ char *device_name;
+ char *driver_name;
+
__DRIdri2LoaderExtension loader_extension;
__DRIimageLookupExtension image_lookup_extension;
const __DRIextension *extensions[3];
@@ -411,9 +415,9 @@ dri2_get_buffers_with_format(__DRIdrawable * driDrawable,
}
#ifdef GLX_USE_TLS
-static const char dri_driver_format[] = "%.*s/tls/%.*s_dri.so";
+static const char dri_driver_format[] = "%.*s/tls/%s_dri.so";
#else
-static const char dri_driver_format[] = "%.*s/%.*s_dri.so";
+static const char dri_driver_format[] = "%.*s/%s_dri.so";
#endif
static const char dri_driver_path[] = DEFAULT_DRIVER_DIR;
@@ -470,45 +474,32 @@ dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
return ret;
}
-/**
- * Called via eglInitialize(), GLX_drv->API.Initialize().
- */
+static char *
+dri2_strndup(const char *s, int length)
+{
+ char *d;
+
+ d = malloc(length + 1);
+ if (d == NULL)
+ return NULL;
+
+ memcpy(d, s, length);
+ d[length] = '\0';
+
+ return d;
+}
+
static EGLBoolean
-dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
- EGLint *major, EGLint *minor)
+dri2_connect(struct dri2_egl_display *dri2_dpy)
{
- const __DRIextension **extensions;
- const __DRIconfig **driver_configs;
- struct dri2_egl_display *dri2_dpy;
- char path[PATH_MAX], *search_paths, *p, *next, *end;
xcb_xfixes_query_version_reply_t *xfixes_query;
xcb_xfixes_query_version_cookie_t xfixes_query_cookie;
xcb_dri2_query_version_reply_t *dri2_query;
xcb_dri2_query_version_cookie_t dri2_query_cookie;
xcb_dri2_connect_reply_t *connect;
xcb_dri2_connect_cookie_t connect_cookie;
- xcb_dri2_authenticate_reply_t *authenticate;
- xcb_dri2_authenticate_cookie_t authenticate_cookie;
xcb_generic_error_t *error;
- drm_magic_t magic;
xcb_screen_iterator_t s;
- xcb_depth_iterator_t d;
- xcb_visualtype_t *visuals;
- int i, j, id;
-
- dri2_dpy = malloc(sizeof *dri2_dpy);
- if (!dri2_dpy)
- return _eglError(EGL_BAD_ALLOC, "eglInitialize");
-
- disp->DriverData = (void *) dri2_dpy;
- if (disp->NativeDisplay != NULL)
- dri2_dpy->conn = XGetXCBConnection(disp->NativeDisplay);
- else
- dri2_dpy->conn = xcb_connect(0, 0);
- if (!dri2_dpy->conn) {
- _eglLog(_EGL_WARNING, "DRI2: xcb_connect failed");
- goto cleanup_dpy;
- }
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_xfixes_id);
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_dri2_id);
@@ -533,7 +524,7 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
error != NULL || xfixes_query->major_version < 2) {
_eglLog(_EGL_FATAL, "DRI2: failed to query xfixes version");
free(error);
- goto cleanup_conn;
+ return EGL_FALSE;
}
free(xfixes_query);
@@ -542,7 +533,7 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
if (dri2_query == NULL || error != NULL) {
_eglLog(_EGL_FATAL, "DRI2: failed to query version");
free(error);
- goto cleanup_conn;
+ return EGL_FALSE;
}
dri2_dpy->dri2_major = dri2_query->major_version;
dri2_dpy->dri2_minor = dri2_query->minor_version;
@@ -552,7 +543,126 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
if (connect == NULL ||
connect->driver_name_length + connect->device_name_length == 0) {
_eglLog(_EGL_FATAL, "DRI2: failed to authenticate");
- goto cleanup_connect;
+ return EGL_FALSE;
+ }
+
+ dri2_dpy->device_name =
+ dri2_strndup(xcb_dri2_connect_device_name (connect),
+ xcb_dri2_connect_device_name_length (connect));
+
+ dri2_dpy->driver_name =
+ dri2_strndup(xcb_dri2_connect_driver_name (connect),
+ xcb_dri2_connect_driver_name_length (connect));
+
+ if (dri2_dpy->device_name == NULL || dri2_dpy->driver_name == NULL) {
+ free(dri2_dpy->device_name);
+ free(dri2_dpy->driver_name);
+ free(connect);
+ return EGL_FALSE;
+ }
+ free(connect);
+
+ return EGL_TRUE;
+}
+
+static EGLBoolean
+dri2_authenticate(struct dri2_egl_display *dri2_dpy)
+{
+ xcb_dri2_authenticate_reply_t *authenticate;
+ xcb_dri2_authenticate_cookie_t authenticate_cookie;
+ xcb_screen_iterator_t s;
+ drm_magic_t magic;
+
+ if (drmGetMagic(dri2_dpy->fd, &magic)) {
+ _eglLog(_EGL_FATAL, "DRI2: failed to get drm magic");
+ return EGL_FALSE;
+ }
+
+ s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
+ authenticate_cookie =
+ xcb_dri2_authenticate_unchecked(dri2_dpy->conn, s.data->root, magic);
+ authenticate =
+ xcb_dri2_authenticate_reply(dri2_dpy->conn, authenticate_cookie, NULL);
+ if (authenticate == NULL || !authenticate->authenticated) {
+ _eglLog(_EGL_FATAL, "DRI2: failed to authenticate");
+ free(authenticate);
+ return EGL_FALSE;
+ }
+
+ free(authenticate);
+
+ return EGL_TRUE;
+}
+
+static EGLBoolean
+dri2_add_configs_for_visuals(struct dri2_egl_display *dri2_dpy,
+ _EGLDisplay *disp)
+{
+ xcb_screen_iterator_t s;
+ xcb_depth_iterator_t d;
+ xcb_visualtype_t *visuals;
+ int i, j, id;
+
+ s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
+ d = xcb_screen_allowed_depths_iterator(s.data);
+ id = 1;
+ while (d.rem > 0) {
+ EGLBoolean class_added[6] = { 0, };
+
+ visuals = xcb_depth_visuals(d.data);
+ for (i = 0; i < xcb_depth_visuals_length(d.data); i++) {
+ if (class_added[visuals[i]._class])
+ continue;
+
+ class_added[visuals[i]._class] = EGL_TRUE;
+ for (j = 0; dri2_dpy->driver_configs[j]; j++)
+ dri2_add_config(disp, dri2_dpy->driver_configs[j],
+ id++, d.data->depth, &visuals[i]);
+ }
+
+ xcb_depth_next(&d);
+ }
+
+ if (!disp->NumConfigs) {
+ _eglLog(_EGL_WARNING, "DRI2: failed to create any config");
+ return EGL_FALSE;
+ }
+
+ return EGL_TRUE;
+}
+
+/**
+ * Called via eglInitialize(), GLX_drv->API.Initialize().
+ */
+static EGLBoolean
+dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
+ EGLint *major, EGLint *minor)
+{
+ const __DRIextension **extensions;
+ struct dri2_egl_display *dri2_dpy;
+ char path[PATH_MAX], *search_paths, *p, *next, *end;
+
+ dri2_dpy = malloc(sizeof *dri2_dpy);
+ if (!dri2_dpy)
+ return _eglError(EGL_BAD_ALLOC, "eglInitialize");
+
+ disp->DriverData = (void *) dri2_dpy;
+ if (disp->NativeDisplay == NULL) {
+ dri2_dpy->conn = xcb_connect(0, 0);
+ if (!dri2_dpy->conn) {
+ _eglLog(_EGL_WARNING, "DRI2: xcb_connect failed");
+ goto cleanup_dpy;
+ }
+ } else {
+ dri2_dpy->conn = XGetXCBConnection(disp->NativeDisplay);
+ }
+
+ if (dri2_dpy->conn == NULL)
+ goto cleanup_conn;
+
+ if (dri2_dpy->conn) {
+ if (!dri2_connect(dri2_dpy))
+ goto cleanup_conn;
}
search_paths = NULL;
@@ -571,11 +681,7 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
next = end;
snprintf(path, sizeof path,
- dri_driver_format,
- (int) (next - p), p,
- xcb_dri2_connect_driver_name_length (connect),
- xcb_dri2_connect_driver_name (connect));
-
+ dri_driver_format, (int) (next - p), p, dri2_dpy->driver_name);
dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
}
@@ -583,7 +689,7 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
_eglLog(_EGL_FATAL,
"DRI2: failed to open any driver (search paths %s)",
search_paths);
- goto cleanup_connect;
+ goto cleanup_conn;
}
_eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
@@ -597,32 +703,18 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions))
goto cleanup_driver;
- snprintf(path, sizeof path, "%.*s",
- xcb_dri2_connect_device_name_length (connect),
- xcb_dri2_connect_device_name (connect));
- dri2_dpy->fd = open (path, O_RDWR);
+ dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR);
if (dri2_dpy->fd == -1) {
_eglLog(_EGL_FATAL,
"DRI2: could not open %s (%s)", path, strerror(errno));
goto cleanup_driver;
}
- if (drmGetMagic(dri2_dpy->fd, &magic)) {
- _eglLog(_EGL_FATAL, "DRI2: failed to get drm magic");
- goto cleanup_fd;
- }
-
- authenticate_cookie = xcb_dri2_authenticate_unchecked (dri2_dpy->conn,
- s.data->root, magic);
- authenticate = xcb_dri2_authenticate_reply (dri2_dpy->conn,
- authenticate_cookie, NULL);
- if (authenticate == NULL || !authenticate->authenticated) {
- _eglLog(_EGL_FATAL, "DRI2: failed to authenticate");
- free(authenticate);
- goto cleanup_fd;
+ if (dri2_dpy->conn) {
+ if (!dri2_authenticate(dri2_dpy))
+ goto cleanup_fd;
}
- free(authenticate);
if (dri2_dpy->dri2_minor >= 1) {
dri2_dpy->loader_extension.base.name = __DRI_DRI2_LOADER;
dri2_dpy->loader_extension.base.version = 3;
@@ -648,7 +740,7 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
dri2_dpy->dri_screen =
dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd, dri2_dpy->extensions,
- &driver_configs, dri2_dpy);
+ &dri2_dpy->driver_configs, dri2_dpy);
if (dri2_dpy->dri_screen == NULL) {
_eglLog(_EGL_FATAL, "DRI2: failed to create dri screen");
@@ -659,30 +751,9 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions))
goto cleanup_dri_screen;
- s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
- d = xcb_screen_allowed_depths_iterator(s.data);
- id = 1;
- while (d.rem > 0) {
- EGLBoolean class_added[6] = { 0, };
-
- visuals = xcb_depth_visuals(d.data);
- for (i = 0; i < xcb_depth_visuals_length(d.data); i++) {
- if (class_added[visuals[i]._class])
- continue;
-
- class_added[visuals[i]._class] = EGL_TRUE;
- for (j = 0; driver_configs[j]; j++)
- dri2_add_config(disp, driver_configs[j],
- id++, d.data->depth, &visuals[i]);
-
- }
-
- xcb_depth_next(&d);
- }
-
- if (!disp->NumConfigs) {
- _eglLog(_EGL_WARNING, "DRI2: failed to create any config");
- goto cleanup_configs;
+ if (dri2_dpy->conn) {
+ if (!dri2_add_configs_for_visuals(dri2_dpy, disp))
+ goto cleanup_configs;
}
disp->ClientAPIsMask = EGL_OPENGL_BIT;
@@ -693,7 +764,7 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
/* we're supporting EGL 1.4 */
*major = 1;
*minor = 4;
- free (connect);
+
return EGL_TRUE;
cleanup_configs:
@@ -704,8 +775,6 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
close(dri2_dpy->fd);
cleanup_driver:
dlclose(dri2_dpy->driver);
- cleanup_connect:
- free(connect);
cleanup_conn:
if (disp->NativeDisplay == NULL)
xcb_disconnect(dri2_dpy->conn);