I've found that EGLSurface width and height are not updated after window
resizing on x11.
Here is the patch for this issue.
---
src/egl/drivers/dri2/platform_x11.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/src/egl/drivers/dri2/platform_x11.c
b/src/egl/drivers/dri2/platform_x11.c
index a09632d..f3e78db 100644
--- a/src/egl/drivers/dri2/platform_x11.c
+++ b/src/egl/drivers/dri2/platform_x11.c
@@ -835,6 +835,22 @@ dri2_x11_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp,
_EGLSurface *draw)
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
+ //Updating surface width and height fields for querying
+ //size by eglQuerySurface with EGL_WIDTH, EGL_HEIGHT
+ //It's needed for window surface when window is resized
+ if (!(draw->Type & EGL_PBUFFER_BIT)) {
+ xcb_generic_error_t *error = NULL;
+ xcb_get_geometry_cookie_t cookie = xcb_get_geometry (dri2_dpy->conn,
dri2_surf->drawable);
+ xcb_get_geometry_reply_t *reply = xcb_get_geometry_reply
(dri2_dpy->conn, cookie, &error);
+ if (reply != NULL)
+ {
+ dri2_surf->base.Width = reply->width;
+ dri2_surf->base.Height = reply->height;
+ free(reply);
+ }
+ if (error != NULL)
+ free(error);
+ }
+
if (dri2_dpy->dri2) {
int64_t ret_val = dri2_x11_swap_buffers_msc(drv, disp, draw, 0, 0, 0);
if (ret_val != -1) {
--
2.7.0.rc3
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