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backend/x11: add support for scanout mode 

This makes full-screen with weston-terminal work.
This commit is contained in:
Ilia Mirkin 2021-01-21 05:15:06 -05:00 committed by Simon Ser
parent 7c995b78b2
commit bb92fd4c90
1 changed files with 17 additions and 7 deletions
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24
backend/x11/output.c
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@ -218,12 +218,24 @@ static struct wlr_x11_buffer *get_or_create_x11_buffer(
static bool output_commit_buffer(struct wlr_x11_output *output) {
struct wlr_x11_backend *x11 = output->x11;
assert(output->back_buffer != NULL);
struct wlr_buffer *buffer = NULL;
switch (output->wlr_output.pending.buffer_type) {
case WLR_OUTPUT_STATE_BUFFER_RENDER:
assert(output->back_buffer != NULL);
wlr_renderer_bind_buffer(x11->renderer, NULL);
wlr_renderer_bind_buffer(x11->renderer, NULL);
buffer = output->back_buffer;
output->back_buffer = NULL;
break;
case WLR_OUTPUT_STATE_BUFFER_SCANOUT:
buffer = wlr_buffer_lock(output->wlr_output.pending.buffer);
break;
}
assert(buffer != NULL);
struct wlr_x11_buffer *x11_buffer =
get_or_create_x11_buffer(output, output->back_buffer);
get_or_create_x11_buffer(output, buffer);
if (!x11_buffer) {
goto error;
}
@ -267,8 +279,7 @@ static bool output_commit_buffer(struct wlr_x11_output *output) {
xcb_xfixes_destroy_region(x11->xcb, region);
}
wlr_buffer_unlock(output->back_buffer);
output->back_buffer = NULL;
wlr_buffer_unlock(buffer);
wlr_swapchain_set_buffer_submitted(output->swapchain, x11_buffer->buffer);
@ -276,8 +287,7 @@ static bool output_commit_buffer(struct wlr_x11_output *output) {
error:
destroy_x11_buffer(x11_buffer);
wlr_buffer_unlock(output->back_buffer);
output->back_buffer = NULL;
wlr_buffer_unlock(buffer);
return false;
}