Commit f280d112 authored by Bryce Harrington's avatar Bryce Harrington

tests: Add screenshot recording capability to weston-test

Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=83981Signed-off-by: default avatarBryce Harrington <bryce@osg.samsung.com>
Reviewed-By: default avatarDerek Foreman <derekf@osg.samsung.com>
parent 83d61b6d
......@@ -269,6 +269,248 @@ get_n_buffers(struct wl_client *client, struct wl_resource *resource)
weston_test_send_n_egl_buffers(resource, n_buffers);
}
enum weston_test_screenshot_outcome {
WESTON_TEST_SCREENSHOT_SUCCESS,
WESTON_TEST_SCREENSHOT_NO_MEMORY,
WESTON_TEST_SCREENSHOT_BAD_BUFFER
};
typedef void (*weston_test_screenshot_done_func_t)(void *data,
enum weston_test_screenshot_outcome outcome);
struct test_screenshot {
struct weston_compositor *compositor;
struct wl_global *global;
struct wl_client *client;
struct weston_process process;
struct wl_listener destroy_listener;
};
struct test_screenshot_frame_listener {
struct wl_listener listener;
struct weston_buffer *buffer;
weston_test_screenshot_done_func_t done;
void *data;
};
static void
copy_bgra_yflip(uint8_t *dst, uint8_t *src, int height, int stride)
{
uint8_t *end;
end = dst + height * stride;
while (dst < end) {
memcpy(dst, src, stride);
dst += stride;
src -= stride;
}
}
static void
copy_bgra(uint8_t *dst, uint8_t *src, int height, int stride)
{
/* TODO: optimize this out */
memcpy(dst, src, height * stride);
}
static void
copy_row_swap_RB(void *vdst, void *vsrc, int bytes)
{
uint32_t *dst = vdst;
uint32_t *src = vsrc;
uint32_t *end = dst + bytes / 4;
while (dst < end) {
uint32_t v = *src++;
/* A R G B */
uint32_t tmp = v & 0xff00ff00;
tmp |= (v >> 16) & 0x000000ff;
tmp |= (v << 16) & 0x00ff0000;
*dst++ = tmp;
}
}
static void
copy_rgba_yflip(uint8_t *dst, uint8_t *src, int height, int stride)
{
uint8_t *end;
end = dst + height * stride;
while (dst < end) {
copy_row_swap_RB(dst, src, stride);
dst += stride;
src -= stride;
}
}
static void
copy_rgba(uint8_t *dst, uint8_t *src, int height, int stride)
{
uint8_t *end;
end = dst + height * stride;
while (dst < end) {
copy_row_swap_RB(dst, src, stride);
dst += stride;
src += stride;
}
}
static void
test_screenshot_frame_notify(struct wl_listener *listener, void *data)
{
struct test_screenshot_frame_listener *l =
container_of(listener,
struct test_screenshot_frame_listener, listener);
struct weston_output *output = data;
struct weston_compositor *compositor = output->compositor;
int32_t stride;
uint8_t *pixels, *d, *s;
output->disable_planes--;
wl_list_remove(&listener->link);
stride = l->buffer->width * (PIXMAN_FORMAT_BPP(compositor->read_format) / 8);
pixels = malloc(stride * l->buffer->height);
if (pixels == NULL) {
l->done(l->data, WESTON_TEST_SCREENSHOT_NO_MEMORY);
free(l);
return;
}
// FIXME: Needs to handle output transformations
compositor->renderer->read_pixels(output,
compositor->read_format,
pixels,
0, 0,
output->current_mode->width,
output->current_mode->height);
stride = wl_shm_buffer_get_stride(l->buffer->shm_buffer);
d = wl_shm_buffer_get_data(l->buffer->shm_buffer);
s = pixels + stride * (l->buffer->height - 1);
wl_shm_buffer_begin_access(l->buffer->shm_buffer);
/* XXX: It would be nice if we used Pixman to do all this rather
* than our own implementation
*/
switch (compositor->read_format) {
case PIXMAN_a8r8g8b8:
case PIXMAN_x8r8g8b8:
if (compositor->capabilities & WESTON_CAP_CAPTURE_YFLIP)
copy_bgra_yflip(d, s, output->current_mode->height, stride);
else
copy_bgra(d, pixels, output->current_mode->height, stride);
break;
case PIXMAN_x8b8g8r8:
case PIXMAN_a8b8g8r8:
if (compositor->capabilities & WESTON_CAP_CAPTURE_YFLIP)
copy_rgba_yflip(d, s, output->current_mode->height, stride);
else
copy_rgba(d, pixels, output->current_mode->height, stride);
break;
default:
break;
}
wl_shm_buffer_end_access(l->buffer->shm_buffer);
l->done(l->data, WESTON_TEST_SCREENSHOT_SUCCESS);
free(pixels);
free(l);
}
static bool
weston_test_screenshot_shoot(struct weston_output *output,
struct weston_buffer *buffer,
weston_test_screenshot_done_func_t done,
void *data)
{
struct test_screenshot_frame_listener *l;
/* Get the shm buffer resource the client created */
if (!wl_shm_buffer_get(buffer->resource)) {
done(data, WESTON_TEST_SCREENSHOT_BAD_BUFFER);
return false;
}
buffer->shm_buffer = wl_shm_buffer_get(buffer->resource);
buffer->width = wl_shm_buffer_get_width(buffer->shm_buffer);
buffer->height = wl_shm_buffer_get_height(buffer->shm_buffer);
/* Verify buffer is big enough */
if (buffer->width < output->current_mode->width ||
buffer->height < output->current_mode->height) {
done(data, WESTON_TEST_SCREENSHOT_BAD_BUFFER);
return false;
}
/* allocate the frame listener */
l = malloc(sizeof *l);
if (l == NULL) {
done(data, WESTON_TEST_SCREENSHOT_NO_MEMORY);
return false;
}
/* Set up the listener */
l->buffer = buffer;
l->done = done;
l->data = data;
l->listener.notify = test_screenshot_frame_notify;
wl_signal_add(&output->frame_signal, &l->listener);
/* Fire off a repaint */
output->disable_planes++;
weston_output_schedule_repaint(output);
return true;
}
static void
capture_screenshot_done(void *data, enum weston_test_screenshot_outcome outcome)
{
struct wl_resource *resource = data;
switch (outcome) {
case WESTON_TEST_SCREENSHOT_SUCCESS:
weston_test_send_capture_screenshot_done(resource);
break;
case WESTON_TEST_SCREENSHOT_NO_MEMORY:
wl_resource_post_no_memory(resource);
break;
default:
break;
}
}
/**
* Grabs a snapshot of the screen.
*/
static void
capture_screenshot(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *output_resource,
struct wl_resource *buffer_resource)
{
struct weston_output *output =
wl_resource_get_user_data(output_resource);
struct weston_buffer *buffer =
weston_buffer_from_resource(buffer_resource);
if (buffer == NULL) {
wl_resource_post_no_memory(resource);
return;
}
weston_test_screenshot_shoot(output, buffer,
capture_screenshot_done, resource);
}
static const struct weston_test_interface test_implementation = {
move_surface,
move_pointer,
......@@ -278,6 +520,7 @@ static const struct weston_test_interface test_implementation = {
device_release,
device_add,
get_n_buffers,
capture_screenshot,
};
static void
......
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