wlroots-hyprland/include/wlr/types/wlr_output.h

#ifndef WLR_TYPES_WLR_OUTPUT_H
#define WLR_TYPES_WLR_OUTPUT_H

#include <wayland-server.h>
#include <wlr/util/list.h>
#include <stdbool.h>

struct wlr_output_mode {
	uint32_t flags; // enum wl_output_mode
	int32_t width, height;
	int32_t refresh; // mHz
};

struct wlr_output_impl;

struct wlr_output {
	const struct wlr_output_impl *impl;

	struct wl_global *wl_global;
	struct wl_list wl_resources;

	uint32_t flags;
	char name[16];
	char make[48];
	char model[16];
	uint32_t scale;
	int32_t width, height;
	int32_t phys_width, phys_height; // mm
	int32_t subpixel; // enum wl_output_subpixel
	int32_t transform; // enum wl_output_transform

	float transform_matrix[16];

	/* Note: some backends may have zero modes */
	list_t *modes;
	struct wlr_output_mode *current_mode;

	struct {
		struct wl_signal frame;
		struct wl_signal swap_buffers;
		struct wl_signal resolution;
		struct wl_signal destroy;
	} events;

	struct {
		bool is_sw;
		int32_t x, y;
		uint32_t width, height;
		int32_t hotspot_x, hotspot_y;
		struct wlr_renderer *renderer;
		struct wlr_texture *texture;
	} cursor;

	void *data;
};

void wlr_output_enable(struct wlr_output *output, bool enable);
bool wlr_output_set_mode(struct wlr_output *output,
		struct wlr_output_mode *mode);
void wlr_output_transform(struct wlr_output *output,
		enum wl_output_transform transform);
bool wlr_output_set_cursor(struct wlr_output *output,
		const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height,
		int32_t hotspot_x, int32_t hotspot_y);
bool wlr_output_move_cursor(struct wlr_output *output, int x, int y);
void wlr_output_destroy(struct wlr_output *output);
void wlr_output_effective_resolution(struct wlr_output *output,
		int *width, int *height);
void wlr_output_make_current(struct wlr_output *output);
void wlr_output_swap_buffers(struct wlr_output *output);
void wlr_output_set_gamma(struct wlr_output *output,
	uint16_t size, uint16_t *r, uint16_t *g, uint16_t *b);
uint16_t wlr_output_get_gamma_size(struct wlr_output *output);

#endif