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Diffstat (limited to 'include/wlr/render/wlr_renderer.h')
-rw-r--r--include/wlr/render/wlr_renderer.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/wlr/render/wlr_renderer.h b/include/wlr/render/wlr_renderer.h
index c715e4b0..0650bf1b 100644
--- a/include/wlr/render/wlr_renderer.h
+++ b/include/wlr/render/wlr_renderer.h
@@ -7,6 +7,10 @@
#include <wlr/render/wlr_texture.h>
#include <wlr/types/wlr_box.h>
+enum wlr_renderer_read_pixels_flags {
+ WLR_RENDERER_READ_PIXELS_Y_INVERT = 1,
+};
+
struct wlr_renderer_impl;
struct wlr_renderer {
@@ -87,9 +91,12 @@ int wlr_renderer_get_dmabuf_modifiers(struct wlr_renderer *renderer, int format,
/**
* Reads out of pixels of the currently bound surface into data. `stride` is in
* bytes.
+ *
+ * If `flags` is not NULl, the caller indicates that it accepts frame flags
+ * defined in `enum wlr_renderer_read_pixels_flags`.
*/
bool wlr_renderer_read_pixels(struct wlr_renderer *r, enum wl_shm_format fmt,
- uint32_t stride, uint32_t width, uint32_t height,
+ 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);
/**
* Checks if a format is supported.