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71 lines
2.0 KiB
71 lines
2.0 KiB
/*
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* Copyright © 2011 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "config.h"
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#include "compositor.h"
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WL_EXPORT void
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weston_view_geometry_dirty(struct weston_view *view)
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{
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}
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WL_EXPORT int
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weston_log(const char *fmt, ...)
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{
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return 0;
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}
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WL_EXPORT void
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weston_view_schedule_repaint(struct weston_view *view)
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{
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}
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WL_EXPORT void
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weston_compositor_schedule_repaint(struct weston_compositor *compositor)
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{
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}
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int
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main(int argc, char *argv[])
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{
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const double k = 300.0;
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const double current = 0.5;
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const double target = 1.0;
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const double friction = 1400;
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struct weston_spring spring;
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uint32_t time = 0;
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weston_spring_init(&spring, k, current, target);
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spring.friction = friction;
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spring.previous = 0.48;
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spring.timestamp = 0;
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while (!weston_spring_done(&spring)) {
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printf("\t%d\t%f\n", time, spring.current);
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weston_spring_update(&spring, time);
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time += 16;
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}
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return 0;
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}
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