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vl/dri3: add support for resizing 

When drawable size changed, PresentConfigureNotify event will be
emitted, by handling the event to re-allocate resized buffer.

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Leo Liu 2016-04-25 15:49:28 -04:00
parent 96580ad593
commit 858b329c2c
1 changed files with 13 additions and 4 deletions
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17
src/gallium/auxiliary/vl/vl_winsys_dri3.c
View File

@ -91,7 +91,9 @@ dri3_handle_present_event(struct vl_dri3_screen *scrn,
{
switch (ge->evtype) {
case XCB_PRESENT_CONFIGURE_NOTIFY: {
/* TODO */
xcb_present_configure_notify_event_t *ce = (void *) ge;
scrn->width = ce->width;
scrn->height = ce->height;
break;
}
case XCB_PRESENT_COMPLETE_NOTIFY: {
@ -249,12 +251,19 @@ dri3_get_back_buffer(struct vl_dri3_screen *scrn)
return NULL;
buffer = scrn->back_buffers[scrn->cur_back];
if (!buffer) {
buffer = dri3_alloc_back_buffer(scrn);
if (!buffer)
if (!buffer || buffer->width != scrn->width ||
buffer->height != scrn->height) {
struct vl_dri3_buffer *new_buffer;
new_buffer = dri3_alloc_back_buffer(scrn);
if (!new_buffer)
return NULL;
if (buffer)
dri3_free_back_buffer(scrn, buffer);
vl_compositor_reset_dirty_area(&scrn->dirty_areas[scrn->cur_back]);
buffer = new_buffer;
scrn->back_buffers[scrn->cur_back] = buffer;
}