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Diffstat (limited to 'tests/modetest/cursor.c')
| -rw-r--r-- | tests/modetest/cursor.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/tests/modetest/cursor.c b/tests/modetest/cursor.c new file mode 100644 index 0000000..829bced --- /dev/null +++ b/tests/modetest/cursor.c @@ -0,0 +1,206 @@ +/* + * DRM based mode setting test program + * Copyright (C) 2013 Red Hat + * Author: Rob Clark <robdclark@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include <assert.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <signal.h> +#include <sys/time.h> +#include <pthread.h> +#include <unistd.h> + +#include "xf86drm.h" +#include "xf86drmMode.h" + +#include "util/common.h" + +#include "buffers.h" +#include "cursor.h" + +struct cursor { + int fd; + uint32_t bo_handle; + uint32_t crtc_id; + uint32_t crtc_w, crtc_h; + uint32_t w, h; + + /* current state */ + uint32_t enabled, x, y; + int32_t dx, dy; +}; + +#define MAX_CURSORS 8 +static struct cursor cursors[MAX_CURSORS]; +static int ncursors; + +static pthread_t cursor_thread; +static int cursor_running; + +/* + * Timer driven program loops through these steps to move/enable/disable + * the cursor + */ + +struct cursor_step { + void (*run)(struct cursor *cursor, const struct cursor_step *step); + uint32_t msec; + uint32_t repeat; + int arg; +}; + +static uint32_t indx, count; + +static void set_cursor(struct cursor *cursor, const struct cursor_step *step) +{ + int enabled = (step->arg ^ count) & 0x1; + uint32_t handle = 0; + + if (enabled) + handle = cursor->bo_handle; + + cursor->enabled = enabled; + + drmModeSetCursor(cursor->fd, cursor->crtc_id, handle, cursor->w, cursor->h); +} + +static void move_cursor(struct cursor *cursor, const struct cursor_step *step) +{ + int x = cursor->x; + int y = cursor->y; + + if (!cursor->enabled) + drmModeSetCursor(cursor->fd, cursor->crtc_id, + cursor->bo_handle, cursor->w, cursor->h); + + /* calculate new cursor position: */ + x += cursor->dx * step->arg; + y += cursor->dy * step->arg; + + if (x < 0) { + x = 0; + cursor->dx = 1; + } else if (x > (int)cursor->crtc_w) { + x = cursor->crtc_w - 1; + cursor->dx = -1; + } + + if (y < 0) { + y = 0; + cursor->dy = 1; + } else if (y > (int)cursor->crtc_h) { + y = cursor->crtc_h - 1; + cursor->dy = -1; + } + + cursor->x = x; + cursor->y = y; + + drmModeMoveCursor(cursor->fd, cursor->crtc_id, x, y); +} + +static const struct cursor_step steps[] = { + { set_cursor, 10, 0, 1 }, /* enable */ + { move_cursor, 1, 100, 1 }, + { move_cursor, 1, 10, 10 }, + { set_cursor, 1, 100, 0 }, /* disable/enable loop */ + { move_cursor, 1, 10, 10 }, + { move_cursor, 9, 100, 1 }, + { move_cursor, 11, 100, 5 }, + { set_cursor, 17, 10, 0 }, /* disable/enable loop */ + { move_cursor, 9, 100, 1 }, + { set_cursor, 13, 10, 0 }, /* disable/enable loop */ + { move_cursor, 9, 100, 1 }, + { set_cursor, 13, 10, 0 }, /* disable/enable loop */ + { set_cursor, 10, 0, 0 }, /* disable */ +}; + +static void *cursor_thread_func(void *data) +{ + while (cursor_running) { + const struct cursor_step *step = &steps[indx % ARRAY_SIZE(steps)]; + int i; + + for (i = 0; i < ncursors; i++) { + struct cursor *cursor = &cursors[i]; + step->run(cursor, step); + } + + /* iterate to next count/step: */ + if (count < step->repeat) { + count++; + } else { + count = 0; + indx++; + } + + usleep(1000 * step->msec); + } + + return NULL; +} + +int cursor_init(int fd, uint32_t bo_handle, uint32_t crtc_id, + uint32_t crtc_w, uint32_t crtc_h, uint32_t w, uint32_t h) +{ + struct cursor *cursor = &cursors[ncursors]; + + assert(ncursors < MAX_CURSORS); + + cursor->fd = fd; + cursor->bo_handle = bo_handle; + cursor->crtc_id = crtc_id; + cursor->crtc_w = crtc_w; + cursor->crtc_h = crtc_h; + cursor->w = w; + cursor->h = h; + + cursor->enabled = 0; + cursor->x = w/2; + cursor->y = h/2; + cursor->dx = 1; + cursor->dy = 1; + + ncursors++; + + return 0; +} + +int cursor_start(void) +{ + cursor_running = 1; + pthread_create(&cursor_thread, NULL, cursor_thread_func, NULL); + printf("starting cursor\n"); + return 0; +} + +int cursor_stop(void) +{ + cursor_running = 0; + pthread_join(cursor_thread, NULL); + printf("cursor stopped\n"); + return 0; +} |