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clients/simple-egl: add delay option

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This emulates extra drawing work by usleep().

This is an enhancement to reproduce the problem in the bug report.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=98833
[Pekka: reordered the help text]
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
This commit is contained in:
Eero Tamminen 2017-02-20 15:14:49 +02:00 • committed by Pekka Paalanen
parent 78dc6a9a02
commit 8a888a5fe5
1 changed files with 8 additions and 2 deletions
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10
clients/simple-egl.c
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@ -100,7 +100,7 @@ struct window {
struct ivi_surface *ivi_surface;
EGLSurface egl_surface;
struct wl_callback *callback;
int fullscreen, opaque, buffer_size, frame_sync;
int fullscreen, opaque, buffer_size, frame_sync, delay;
bool wait_for_configure;
};
@ -548,6 +548,8 @@ redraw(void *data, struct wl_callback *callback, uint32_t time)
glDisableVertexAttribArray(window->gl.pos);
glDisableVertexAttribArray(window->gl.col);
usleep(window->delay);
if (window->opaque || window->fullscreen) {
region = wl_compositor_create_region(window->display->compositor);
wl_region_add(region, 0, 0,
@ -846,6 +848,7 @@ static void
usage(int error_code)
{
fprintf(stderr, "Usage: simple-egl [OPTIONS]\n\n"
" -d <us>\tBuffer swap delay in microseconds\n"
" -f\tRun in fullscreen mode\n"
" -o\tCreate an opaque surface\n"
" -s\tUse a 16 bpp EGL config\n"
@ -870,9 +873,12 @@ main(int argc, char **argv)
window.window_size = window.geometry;
window.buffer_size = 32;
window.frame_sync = 1;
window.delay = 0;
for (i = 1; i < argc; i++) {
if (strcmp("-f", argv[i]) == 0)
if (strcmp("-d", argv[i]) == 0 && i+1 < argc)
window.delay = atoi(argv[++i]);
else if (strcmp("-f", argv[i]) == 0)
window.fullscreen = 1;
else if (strcmp("-o", argv[i]) == 0)
window.opaque = 1;