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buffer: create cairo_t inside buffer_create()

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This commit is contained in:
Johan Malm 2022-02-13 13:00:26 +00:00
parent ba909e4fc7
commit f22bfc96b2
3 changed files with 22 additions and 26 deletions
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30
src/buffer.c
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@ -42,7 +42,12 @@ static void
data_buffer_destroy(struct wlr_buffer *wlr_buffer)
{
struct lab_data_buffer *buffer = data_buffer_from_buffer(wlr_buffer);
free(buffer->data);
if (buffer->cairo) {
cairo_destroy(buffer->cairo);
}
if (buffer->data) {
free(buffer->data);
}
free(buffer);
}
@ -72,35 +77,26 @@ static const struct wlr_buffer_impl data_buffer_impl = {
};
struct lab_data_buffer *
buffer_create(cairo_t *cairo)
buffer_create(uint32_t width, uint32_t height, float scale)
{
struct lab_data_buffer *buffer = calloc(1, sizeof(*buffer));
if (!buffer) {
return NULL;
}
cairo_surface_t *surf = cairo_get_target(cairo);
int width = cairo_image_surface_get_width(surf);
int height = cairo_image_surface_get_height(surf);
wlr_buffer_init(&buffer->base, &data_buffer_impl, width, height);
buffer->cairo = cairo;
cairo_surface_t *surf =
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_surface_set_device_scale(surf, scale, scale);
buffer->cairo = cairo_create(surf);
buffer->data = cairo_image_surface_get_data(surf);
buffer->format = DRM_FORMAT_ARGB8888;
buffer->stride = cairo_image_surface_get_stride(surf);
if (!buffer->data) {
cairo_destroy(cairo);
cairo_destroy(buffer->cairo);
free(buffer);
}
return buffer;
}
void
buffer_destroy(struct lab_data_buffer *buffer)
{
if (!buffer) {
return;
}
cairo_destroy(buffer->cairo);
wlr_buffer_drop(&buffer->base);
}