#ifndef TYPES_WLR_BUFFER #define TYPES_WLR_BUFFER #include /** * A read-only buffer that holds a data pointer. * * This is suitable for passing raw pixel data to a function that accepts a * wlr_buffer. */ struct wlr_readonly_data_buffer { struct wlr_buffer base; const void *data; uint32_t format; size_t stride; void *saved_data; }; /** * Wraps a read-only data pointer into a wlr_buffer. The data pointer may be * accessed until readonly_data_buffer_drop() is called. */ struct wlr_readonly_data_buffer *readonly_data_buffer_create(uint32_t format, size_t stride, uint32_t width, uint32_t height, const void *data); /** * Drops ownership of the buffer (see wlr_buffer_drop() for more details) and * perform a copy of the data pointer if a consumer still has the buffer locked. */ bool readonly_data_buffer_drop(struct wlr_readonly_data_buffer *buffer); struct wlr_dmabuf_buffer { struct wlr_buffer base; struct wlr_dmabuf_attributes dmabuf; bool saved; }; /** * Wraps a DMA-BUF into a wlr_buffer. The DMA-BUF may be accessed until * dmabuf_buffer_drop() is called. */ struct wlr_dmabuf_buffer *dmabuf_buffer_create( struct wlr_dmabuf_attributes *dmabuf); /** * Drops ownership of the buffer (see wlr_buffer_drop() for more details) and * takes a reference to the DMA-BUF (by dup'ing its file descriptors) if a * consumer still has the buffer locked. */ bool dmabuf_buffer_drop(struct wlr_dmabuf_buffer *buffer); /** * Check whether a buffer is fully opaque. * * When true is returned, the buffer is guaranteed to be fully opaque, but the * reverse is not true: false may be returned in cases where the buffer is fully * opaque. */ bool buffer_is_opaque(struct wlr_buffer *buffer); /** * Creates a struct wlr_client_buffer from a given struct wlr_buffer by creating * a texture from it, and copying its struct wl_resource. */ struct wlr_client_buffer *wlr_client_buffer_create(struct wlr_buffer *buffer, struct wlr_renderer *renderer); /** * Try to update the buffer's content. * * Fails if there's more than one reference to the buffer or if the texture * isn't mutable. */ bool wlr_client_buffer_apply_damage(struct wlr_client_buffer *client_buffer, struct wlr_buffer *next, const pixman_region32_t *damage); #endif