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https://gitlab.freedesktop.org/wayland/weston
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tests: Add screenshot recording capability to weston-test
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=83981 Signed-off-by: Bryce Harrington <bryce@osg.samsung.com> Reviewed-By: Derek Foreman <derekf@osg.samsung.com>
This commit is contained in:
Bryce Harrington
parent
83d61b6dfb
commit
f280d11274
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@ -269,6 +269,248 @@ get_n_buffers(struct wl_client *client, struct wl_resource *resource)
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weston_test_send_n_egl_buffers(resource, n_buffers);
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}
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enum weston_test_screenshot_outcome {
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WESTON_TEST_SCREENSHOT_SUCCESS,
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WESTON_TEST_SCREENSHOT_NO_MEMORY,
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WESTON_TEST_SCREENSHOT_BAD_BUFFER
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};
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typedef void (*weston_test_screenshot_done_func_t)(void *data,
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enum weston_test_screenshot_outcome outcome);
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struct test_screenshot {
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struct weston_compositor *compositor;
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struct wl_global *global;
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struct wl_client *client;
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struct weston_process process;
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struct wl_listener destroy_listener;
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};
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struct test_screenshot_frame_listener {
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struct wl_listener listener;
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struct weston_buffer *buffer;
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weston_test_screenshot_done_func_t done;
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void *data;
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};
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static void
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copy_bgra_yflip(uint8_t *dst, uint8_t *src, int height, int stride)
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{
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uint8_t *end;
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end = dst + height * stride;
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while (dst < end) {
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memcpy(dst, src, stride);
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dst += stride;
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src -= stride;
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}
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}
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static void
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copy_bgra(uint8_t *dst, uint8_t *src, int height, int stride)
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{
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/* TODO: optimize this out */
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memcpy(dst, src, height * stride);
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}
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static void
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copy_row_swap_RB(void *vdst, void *vsrc, int bytes)
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{
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uint32_t *dst = vdst;
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uint32_t *src = vsrc;
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uint32_t *end = dst + bytes / 4;
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while (dst < end) {
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uint32_t v = *src++;
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/* A R G B */
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uint32_t tmp = v & 0xff00ff00;
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tmp |= (v >> 16) & 0x000000ff;
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tmp |= (v << 16) & 0x00ff0000;
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*dst++ = tmp;
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}
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}
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static void
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copy_rgba_yflip(uint8_t *dst, uint8_t *src, int height, int stride)
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{
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uint8_t *end;
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end = dst + height * stride;
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while (dst < end) {
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copy_row_swap_RB(dst, src, stride);
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dst += stride;
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src -= stride;
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}
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}
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static void
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copy_rgba(uint8_t *dst, uint8_t *src, int height, int stride)
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{
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uint8_t *end;
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end = dst + height * stride;
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while (dst < end) {
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copy_row_swap_RB(dst, src, stride);
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dst += stride;
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src += stride;
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}
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}
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static void
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test_screenshot_frame_notify(struct wl_listener *listener, void *data)
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{
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struct test_screenshot_frame_listener *l =
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container_of(listener,
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struct test_screenshot_frame_listener, listener);
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struct weston_output *output = data;
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struct weston_compositor *compositor = output->compositor;
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int32_t stride;
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uint8_t *pixels, *d, *s;
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output->disable_planes--;
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wl_list_remove(&listener->link);
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stride = l->buffer->width * (PIXMAN_FORMAT_BPP(compositor->read_format) / 8);
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pixels = malloc(stride * l->buffer->height);
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if (pixels == NULL) {
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l->done(l->data, WESTON_TEST_SCREENSHOT_NO_MEMORY);
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free(l);
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return;
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}
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// FIXME: Needs to handle output transformations
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compositor->renderer->read_pixels(output,
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compositor->read_format,
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pixels,
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0, 0,
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output->current_mode->width,
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output->current_mode->height);
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stride = wl_shm_buffer_get_stride(l->buffer->shm_buffer);
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d = wl_shm_buffer_get_data(l->buffer->shm_buffer);
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s = pixels + stride * (l->buffer->height - 1);
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wl_shm_buffer_begin_access(l->buffer->shm_buffer);
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/* XXX: It would be nice if we used Pixman to do all this rather
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* than our own implementation
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*/
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switch (compositor->read_format) {
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case PIXMAN_a8r8g8b8:
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case PIXMAN_x8r8g8b8:
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if (compositor->capabilities & WESTON_CAP_CAPTURE_YFLIP)
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copy_bgra_yflip(d, s, output->current_mode->height, stride);
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else
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copy_bgra(d, pixels, output->current_mode->height, stride);
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break;
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case PIXMAN_x8b8g8r8:
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case PIXMAN_a8b8g8r8:
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if (compositor->capabilities & WESTON_CAP_CAPTURE_YFLIP)
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copy_rgba_yflip(d, s, output->current_mode->height, stride);
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else
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copy_rgba(d, pixels, output->current_mode->height, stride);
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break;
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default:
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break;
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}
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wl_shm_buffer_end_access(l->buffer->shm_buffer);
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l->done(l->data, WESTON_TEST_SCREENSHOT_SUCCESS);
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free(pixels);
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free(l);
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}
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static bool
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weston_test_screenshot_shoot(struct weston_output *output,
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struct weston_buffer *buffer,
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weston_test_screenshot_done_func_t done,
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void *data)
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{
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struct test_screenshot_frame_listener *l;
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/* Get the shm buffer resource the client created */
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if (!wl_shm_buffer_get(buffer->resource)) {
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done(data, WESTON_TEST_SCREENSHOT_BAD_BUFFER);
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return false;
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}
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buffer->shm_buffer = wl_shm_buffer_get(buffer->resource);
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buffer->width = wl_shm_buffer_get_width(buffer->shm_buffer);
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buffer->height = wl_shm_buffer_get_height(buffer->shm_buffer);
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/* Verify buffer is big enough */
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if (buffer->width < output->current_mode->width ||
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buffer->height < output->current_mode->height) {
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done(data, WESTON_TEST_SCREENSHOT_BAD_BUFFER);
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return false;
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}
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/* allocate the frame listener */
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l = malloc(sizeof *l);
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if (l == NULL) {
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done(data, WESTON_TEST_SCREENSHOT_NO_MEMORY);
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return false;
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}
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/* Set up the listener */
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l->buffer = buffer;
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l->done = done;
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l->data = data;
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l->listener.notify = test_screenshot_frame_notify;
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wl_signal_add(&output->frame_signal, &l->listener);
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/* Fire off a repaint */
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output->disable_planes++;
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weston_output_schedule_repaint(output);
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return true;
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}
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static void
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capture_screenshot_done(void *data, enum weston_test_screenshot_outcome outcome)
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{
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struct wl_resource *resource = data;
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switch (outcome) {
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case WESTON_TEST_SCREENSHOT_SUCCESS:
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weston_test_send_capture_screenshot_done(resource);
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break;
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case WESTON_TEST_SCREENSHOT_NO_MEMORY:
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wl_resource_post_no_memory(resource);
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break;
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default:
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break;
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}
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}
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/**
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* Grabs a snapshot of the screen.
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*/
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static void
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capture_screenshot(struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *output_resource,
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struct wl_resource *buffer_resource)
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{
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struct weston_output *output =
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wl_resource_get_user_data(output_resource);
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struct weston_buffer *buffer =
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weston_buffer_from_resource(buffer_resource);
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if (buffer == NULL) {
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wl_resource_post_no_memory(resource);
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return;
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}
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weston_test_screenshot_shoot(output, buffer,
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capture_screenshot_done, resource);
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}
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static const struct weston_test_interface test_implementation = {
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move_surface,
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move_pointer,
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@ -278,6 +520,7 @@ static const struct weston_test_interface test_implementation = {
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device_release,
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device_add,
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get_n_buffers,
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capture_screenshot,
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};
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static void
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