mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-07 05:55:58 +01:00
pixman: implement read pixels
This commit is contained in:
parent
30706b71fb
commit
144b41a45c
1 changed files with 29 additions and 0 deletions
|
@ -380,6 +380,34 @@ static uint32_t pixman_preferred_read_format(
|
|||
return get_drm_format_from_pixman(pixman_format);
|
||||
}
|
||||
|
||||
static bool pixman_read_pixels(struct wlr_renderer *wlr_renderer,
|
||||
uint32_t drm_format, uint32_t *flags, uint32_t stride,
|
||||
uint32_t width, uint32_t height, uint32_t src_x, uint32_t src_y,
|
||||
uint32_t dst_x, uint32_t dst_y, void *data) {
|
||||
struct wlr_pixman_renderer *renderer = get_renderer(wlr_renderer);
|
||||
struct wlr_pixman_buffer *buffer = renderer->current_buffer;
|
||||
|
||||
pixman_format_code_t fmt = get_pixman_format_from_drm(drm_format);
|
||||
if (fmt == 0) {
|
||||
wlr_log(WLR_ERROR, "Cannot read pixels: unsupported pixel format");
|
||||
return false;
|
||||
}
|
||||
|
||||
const struct wlr_pixel_format_info *drm_fmt =
|
||||
drm_get_pixel_format_info(drm_format);
|
||||
assert(drm_fmt);
|
||||
|
||||
pixman_image_t *dst = pixman_image_create_bits_no_clear(fmt, width, height,
|
||||
data, stride);
|
||||
|
||||
pixman_image_composite32(PIXMAN_OP_SRC, buffer->image, NULL, dst,
|
||||
src_x, src_y, 0, 0, dst_x, dst_y, width, height);
|
||||
|
||||
pixman_image_unref(dst);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static const struct wlr_renderer_impl renderer_impl = {
|
||||
.begin = pixman_begin,
|
||||
.clear = pixman_clear,
|
||||
|
@ -392,6 +420,7 @@ static const struct wlr_renderer_impl renderer_impl = {
|
|||
.bind_buffer = pixman_bind_buffer,
|
||||
.destroy = pixman_destroy,
|
||||
.preferred_read_format = pixman_preferred_read_format,
|
||||
.read_pixels = pixman_read_pixels,
|
||||
};
|
||||
|
||||
struct wlr_renderer *wlr_pixman_renderer_create(void) {
|
||||
|
|
Loading…
Reference in a new issue