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egl/x11: store xcb_screen_t *screen instead of int screen 

Just fetch and store it once, rather than doing the
xcb_setup_roots_iterator + get_xcb_screen dance five times.

v2: Call xcb_disconnect() on error (Eric)

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com> (v1)
This commit is contained in:
Emil Velikov 2016-11-21 13:46:51 +00:00 committed by Emil Velikov
parent b9880d2e93
commit 7c6babb22c
3 changed files with 18 additions and 66 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/egl/drivers/dri2/egl_dri2.h
View File

@ -199,7 +199,7 @@ struct dri2_egl_display
#ifdef HAVE_X11_PLATFORM
xcb_connection_t *conn;
int screen;
xcb_screen_t *screen;
int swap_available;
#ifdef HAVE_DRI3
struct loader_dri3_extensions loader_dri3_ext;

50
src/egl/drivers/dri2/platform_x11.c
View File

@ -206,10 +206,8 @@ dri2_x11_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
struct dri2_egl_surface *dri2_surf;
xcb_get_geometry_cookie_t cookie;
xcb_get_geometry_reply_t *reply;
xcb_screen_iterator_t s;
xcb_generic_error_t *error;
xcb_drawable_t drawable;
xcb_screen_t *screen;
const __DRIconfig *config;
STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_surface));
@ -228,16 +226,9 @@ dri2_x11_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
dri2_surf->region = XCB_NONE;
if (type == EGL_PBUFFER_BIT) {
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
screen = get_xcb_screen(s, dri2_dpy->screen);
if (!screen) {
_eglError(EGL_BAD_ALLOC, "failed to get xcb screen");
goto cleanup_surf;
}
dri2_surf->drawable = xcb_generate_id(dri2_dpy->conn);
xcb_create_pixmap(dri2_dpy->conn, conf->BufferSize,
dri2_surf->drawable, screen->root,
dri2_surf->drawable, dri2_dpy->screen->root,
dri2_surf->base.Width, dri2_surf->base.Height);
} else {
if (!drawable) {
@ -544,20 +535,10 @@ dri2_x11_do_authenticate(struct dri2_egl_display *dri2_dpy, uint32_t id)
{
xcb_dri2_authenticate_reply_t *authenticate;
xcb_dri2_authenticate_cookie_t authenticate_cookie;
xcb_screen_iterator_t s;
xcb_screen_t *screen;
int ret = 0;
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
screen = get_xcb_screen(s, dri2_dpy->screen);
if (!screen) {
_eglLog(_EGL_WARNING, "DRI2: failed to get xcb screen");
return -1;
}
authenticate_cookie =
xcb_dri2_authenticate_unchecked(dri2_dpy->conn, screen->root, id);
xcb_dri2_authenticate_unchecked(dri2_dpy->conn, dri2_dpy->screen->root, id);
authenticate =
xcb_dri2_authenticate_reply(dri2_dpy->conn, authenticate_cookie, NULL);
@ -598,8 +579,6 @@ dri2_x11_connect(struct dri2_egl_display *dri2_dpy)
xcb_dri2_connect_reply_t *connect;
xcb_dri2_connect_cookie_t connect_cookie;
xcb_generic_error_t *error;
xcb_screen_iterator_t s;
xcb_screen_t *screen;
char *driver_name, *loader_driver_name, *device_name;
const xcb_query_extension_reply_t *extension;
@ -622,13 +601,7 @@ dri2_x11_connect(struct dri2_egl_display *dri2_dpy)
XCB_DRI2_MAJOR_VERSION,
XCB_DRI2_MINOR_VERSION);
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
screen = get_xcb_screen(s, dri2_dpy->screen);
if (!screen) {
_eglLog(_EGL_WARNING, "DRI2: failed to get xcb screen");
return EGL_FALSE;
}
connect_cookie = xcb_dri2_connect_unchecked(dri2_dpy->conn, screen->root,
connect_cookie = xcb_dri2_connect_unchecked(dri2_dpy->conn, dri2_dpy->screen->root,
XCB_DRI2_DRIVER_TYPE_DRI);
xfixes_query =
@ -720,7 +693,6 @@ static EGLBoolean
dri2_x11_add_configs_for_visuals(struct dri2_egl_display *dri2_dpy,
_EGLDisplay *disp, bool supports_preserved)
{
xcb_screen_iterator_t s;
xcb_depth_iterator_t d;
xcb_visualtype_t *visuals;
int i, j, count;
@ -732,8 +704,7 @@ dri2_x11_add_configs_for_visuals(struct dri2_egl_display *dri2_dpy,
EGL_NONE
};
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
d = xcb_screen_allowed_depths_iterator(get_xcb_screen(s, dri2_dpy->screen));
d = xcb_screen_allowed_depths_iterator(dri2_dpy->screen);
count = 0;
surface_type =
@ -1183,17 +1154,19 @@ static EGLBoolean
dri2_get_xcb_connection(_EGLDriver *drv, _EGLDisplay *disp,
struct dri2_egl_display *dri2_dpy)
{
xcb_screen_iterator_t s;
int screen = 0;
const char *msg;
disp->DriverData = (void *) dri2_dpy;
if (disp->PlatformDisplay == NULL) {
dri2_dpy->conn = xcb_connect(0, &dri2_dpy->screen);
dri2_dpy->conn = xcb_connect(NULL, &screen);
dri2_dpy->own_device = true;
} else {
Display *dpy = disp->PlatformDisplay;
dri2_dpy->conn = XGetXCBConnection(dpy);
dri2_dpy->screen = DefaultScreen(dpy);
screen = DefaultScreen(dpy);
}
if (!dri2_dpy->conn || xcb_connection_has_error(dri2_dpy->conn)) {
@ -1201,6 +1174,13 @@ dri2_get_xcb_connection(_EGLDriver *drv, _EGLDisplay *disp,
goto disconnect;
}
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
dri2_dpy->screen = get_xcb_screen(s, screen);
if (!dri2_dpy->screen) {
msg = "failed to get xcb screen";
goto disconnect;
}
return EGL_TRUE;
disconnect:
if (disp->PlatformDisplay == NULL)

32
src/egl/drivers/dri2/platform_x11_dri3.c
View File

@ -160,16 +160,6 @@ dri3_set_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
return EGL_TRUE;
}
static xcb_screen_t *
get_xcb_screen(xcb_screen_iterator_t iter, int screen)
{
for (; iter.rem; --screen, xcb_screen_next(&iter))
if (screen == 0)
return iter.data;
return NULL;
}
static _EGLSurface *
dri3_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
_EGLConfig *conf, void *native_surface,
@ -180,8 +170,6 @@ dri3_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
struct dri3_egl_surface *dri3_surf;
const __DRIconfig *dri_config;
xcb_drawable_t drawable;
xcb_screen_iterator_t s;
xcb_screen_t *screen;
STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_surface));
drawable = (uintptr_t) native_surface;
@ -198,16 +186,9 @@ dri3_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
goto cleanup_surf;
if (type == EGL_PBUFFER_BIT) {
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
screen = get_xcb_screen(s, dri2_dpy->screen);
if (!screen) {
_eglError(EGL_BAD_NATIVE_WINDOW, "dri3_create_surface");
goto cleanup_surf;
}
drawable = xcb_generate_id(dri2_dpy->conn);
xcb_create_pixmap(dri2_dpy->conn, conf->BufferSize,
drawable, screen->root,
drawable, dri2_dpy->screen->root,
dri3_surf->base.Width, dri3_surf->base.Height);
}
@ -473,8 +454,6 @@ dri3_x11_connect(struct dri2_egl_display *dri2_dpy)
xcb_present_query_version_reply_t *present_query;
xcb_present_query_version_cookie_t present_query_cookie;
xcb_generic_error_t *error;
xcb_screen_iterator_t s;
xcb_screen_t *screen;
const xcb_query_extension_reply_t *extension;
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_dri3_id);
@ -517,14 +496,7 @@ dri3_x11_connect(struct dri2_egl_display *dri2_dpy)
}
free(present_query);
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
screen = get_xcb_screen(s, dri2_dpy->screen);
if (!screen) {
_eglError(EGL_BAD_NATIVE_WINDOW, "dri3_x11_connect");
return EGL_FALSE;
}
dri2_dpy->fd = loader_dri3_open(dri2_dpy->conn, screen->root, 0);
dri2_dpy->fd = loader_dri3_open(dri2_dpy->conn, dri2_dpy->screen->root, 0);
if (dri2_dpy->fd < 0) {
int conn_error = xcb_connection_has_error(dri2_dpy->conn);
_eglLog(_EGL_WARNING, "DRI3: Screen seems not DRI3 capable");