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			90 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			90 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * This an unstable interface of wlroots. No guarantees are made regarding the
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|  * future consistency of this API.
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|  */
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| #ifndef WLR_USE_UNSTABLE
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| #error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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| #endif
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| 
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| #ifndef WLR_RENDER_INTERFACE_H
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| #define WLR_RENDER_INTERFACE_H
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| 
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| #include <stdbool.h>
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| #include <wayland-server-core.h>
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| #include <wlr/render/wlr_renderer.h>
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| #include <wlr/render/wlr_texture.h>
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| #include <wlr/types/wlr_output.h>
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| #include <wlr/render/dmabuf.h>
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| 
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| struct wlr_box;
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| struct wlr_fbox;
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| 
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| struct wlr_renderer_impl {
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| 	const struct wlr_drm_format_set *(*get_texture_formats)(
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| 		struct wlr_renderer *renderer, uint32_t buffer_caps);
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| 	const struct wlr_drm_format_set *(*get_render_formats)(
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| 		struct wlr_renderer *renderer);
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| 	void (*destroy)(struct wlr_renderer *renderer);
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| 	int (*get_drm_fd)(struct wlr_renderer *renderer);
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| 	struct wlr_texture *(*texture_from_buffer)(struct wlr_renderer *renderer,
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| 		struct wlr_buffer *buffer);
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| 	struct wlr_render_pass *(*begin_buffer_pass)(struct wlr_renderer *renderer,
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| 		struct wlr_buffer *buffer, const struct wlr_buffer_pass_options *options);
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| 	struct wlr_render_timer *(*render_timer_create)(struct wlr_renderer *renderer);
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| };
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| 
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| void wlr_renderer_init(struct wlr_renderer *renderer,
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| 	const struct wlr_renderer_impl *impl, uint32_t render_buffer_caps);
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| 
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| struct wlr_texture_impl {
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| 	bool (*update_from_buffer)(struct wlr_texture *texture,
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| 		struct wlr_buffer *buffer, const pixman_region32_t *damage);
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| 	bool (*read_pixels)(struct wlr_texture *texture,
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| 		const struct wlr_texture_read_pixels_options *options);
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| 	uint32_t (*preferred_read_format)(struct wlr_texture *texture);
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| 	void (*destroy)(struct wlr_texture *texture);
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| };
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| 
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| void wlr_texture_init(struct wlr_texture *texture, struct wlr_renderer *rendener,
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| 	const struct wlr_texture_impl *impl, uint32_t width, uint32_t height);
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| 
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| struct wlr_render_pass {
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| 	const struct wlr_render_pass_impl *impl;
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| };
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| 
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| void wlr_render_pass_init(struct wlr_render_pass *pass,
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| 	const struct wlr_render_pass_impl *impl);
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| 
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| struct wlr_render_pass_impl {
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| 	bool (*submit)(struct wlr_render_pass *pass);
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| 	void (*add_texture)(struct wlr_render_pass *pass,
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| 		const struct wlr_render_texture_options *options);
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| 	/* Implementers are also guaranteed that options->box is nonempty */
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| 	void (*add_rect)(struct wlr_render_pass *pass,
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| 		const struct wlr_render_rect_options *options);
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| };
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| 
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| struct wlr_render_timer {
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| 	const struct wlr_render_timer_impl *impl;
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| };
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| 
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| struct wlr_render_timer_impl {
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| 	int (*get_duration_ns)(struct wlr_render_timer *timer);
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| 	void (*destroy)(struct wlr_render_timer *timer);
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| };
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| 
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| void wlr_render_texture_options_get_src_box(const struct wlr_render_texture_options *options,
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| 	struct wlr_fbox *box);
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| void wlr_render_texture_options_get_dst_box(const struct wlr_render_texture_options *options,
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| 	struct wlr_box *box);
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| float wlr_render_texture_options_get_alpha(const struct wlr_render_texture_options *options);
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| void wlr_render_rect_options_get_box(const struct wlr_render_rect_options *options,
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| 	const struct wlr_buffer *buffer, struct wlr_box *box);
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| 
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| void wlr_texture_read_pixels_options_get_src_box(
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| 	const struct wlr_texture_read_pixels_options *options,
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| 	const struct wlr_texture *texture, struct wlr_box *box);
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| void *wlr_texture_read_pixel_options_get_data(
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| 	const struct wlr_texture_read_pixels_options *options);
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| 
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| #endif
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