{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_image *dri2_img = dri2_egl_image(img);
+ EGLint nplanes;
(void) drv;
if (!dri2_can_export_dma_buf_image(disp, img))
return EGL_FALSE;
+ /* EGL_MESA_image_dma_buf_export spec says:
+ * "If the number of fds is less than the number of planes, then
+ * subsequent fd slots should contain -1."
+ */
+ if (fds) {
+ /* Query nplanes so that we know how big the given array is. */
+ dri2_dpy->image->queryImage(dri2_img->dri_image,
+ __DRI_IMAGE_ATTRIB_NUM_PLANES, &nplanes);
+ memset(fds, -1, nplanes * sizeof(int));
+ }
+
/* rework later to provide multiple fds/strides/offsets */
if (fds)
dri2_dpy->image->queryImage(dri2_img->dri_image,