render: add wlr_texture_is_opaque

2 files changed, 6 insertions, 0 deletions

diff --git a/include/wlr/render/interface.h b/include/wlr/render/interface.h
index 1b138ea3..f4565ad5 100644
--- a/include/wlr/render/interface.h
+++ b/include/wlr/render/interface.h
@@ -56,6 +56,7 @@ void wlr_renderer_init(struct wlr_renderer *renderer,
 
 struct wlr_texture_impl {
 	void (*get_size)(struct wlr_texture *texture, int *width, int *height);
+	bool (*is_opaque)(struct wlr_texture *texture);
 	bool (*write_pixels)(struct wlr_texture *texture,
 		enum wl_shm_format wl_fmt, uint32_t stride, uint32_t width,
 		uint32_t height, uint32_t src_x, uint32_t src_y, uint32_t dst_x,
diff --git a/include/wlr/render/wlr_texture.h b/include/wlr/render/wlr_texture.h
index 785f4fc6..9370fa25 100644
--- a/include/wlr/render/wlr_texture.h
+++ b/include/wlr/render/wlr_texture.h
@@ -41,6 +41,11 @@ struct wlr_texture *wlr_texture_from_dmabuf(struct wlr_renderer *renderer,
 void wlr_texture_get_size(struct wlr_texture *texture, int *width, int *height);
 
 /**
+ * Returns true if this texture is using a fully opaque format.
+ */
+bool wlr_texture_is_opaque(struct wlr_texture *texture);
+
+/**
  * Update a texture with raw pixels. The texture must be mutable.
  */
 bool wlr_texture_write_pixels(struct wlr_texture *texture,