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screen-share: align read_pixels call with screenshooter

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Calculate y_orig separately first makes it easer to understand the
code and aligns with how pixels are read in screenshooter.c.

Signed-off-by: Stefan Agner <stefan@agner.ch>
This commit is contained in:
Stefan Agner 2019-06-16 21:24:21 +02:00 committed by Simon Ser
parent 45f5e536ec
commit 2b2c9a6f7f
1 changed files with 10 additions and 10 deletions
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16
compositor/screen-share.c
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@ -818,7 +818,7 @@ shared_output_repainted(struct wl_listener *listener, void *data)
pixman_region32_t damage;
struct ss_shm_buffer *sb;
int32_t x, y, width, height, stride;
int i, nrects, do_yflip;
int i, nrects, do_yflip, y_orig;
pixman_box32_t *r;
uint32_t *cache_data;
@ -876,19 +876,19 @@ shared_output_repainted(struct wl_listener *listener, void *data)
width = r[i].x2 - r[i].x1;
height = r[i].y2 - r[i].y1;
if (do_yflip) {
if (do_yflip)
y_orig = so->output->current_mode->height - r[i].y2;
else
y_orig = y;
so->output->compositor->renderer->read_pixels(
so->output, PIXMAN_a8r8g8b8, so->tmp_data,
x, so->output->current_mode->height - r[i].y2,
width, height);
x, y_orig, width, height);
if (do_yflip) {
pixman_blt(so->tmp_data, cache_data, -width, stride,
32, 32, 0, 1 - height, x, y, width, height);
} else {
so->output->compositor->renderer->read_pixels(
so->output, PIXMAN_a8r8g8b8, so->tmp_data,
x, y, width, height);
pixman_blt(so->tmp_data, cache_data, width, stride,
32, 32, 0, 0, x, y, width, height);
}