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			88 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
	
		
			3.3 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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#ifndef WLR_RENDER_INTERFACE_H
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#define WLR_RENDER_INTERFACE_H
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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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struct wlr_box;
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struct wlr_fbox;
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struct wlr_renderer_impl {
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	bool (*bind_buffer)(struct wlr_renderer *renderer,
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		struct wlr_buffer *buffer);
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	bool (*begin)(struct wlr_renderer *renderer, uint32_t width,
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		uint32_t height);
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	void (*end)(struct wlr_renderer *renderer);
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	void (*clear)(struct wlr_renderer *renderer, const float color[static 4]);
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	void (*scissor)(struct wlr_renderer *renderer, struct wlr_box *box);
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	bool (*render_subtexture_with_matrix)(struct wlr_renderer *renderer,
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		struct wlr_texture *texture, const struct wlr_fbox *box,
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		const float matrix[static 9], float alpha);
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	void (*render_quad_with_matrix)(struct wlr_renderer *renderer,
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		const float color[static 4], const float matrix[static 9]);
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	const uint32_t *(*get_shm_texture_formats)(
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		struct wlr_renderer *renderer, size_t *len);
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	const struct wlr_drm_format_set *(*get_dmabuf_texture_formats)(
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		struct wlr_renderer *renderer);
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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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	uint32_t (*preferred_read_format)(struct wlr_renderer *renderer);
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	bool (*read_pixels)(struct wlr_renderer *renderer, uint32_t fmt,
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		uint32_t stride, uint32_t width, uint32_t height,
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		uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y,
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		void *data);
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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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	uint32_t (*get_render_buffer_caps)(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);
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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);
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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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	void (*destroy)(struct wlr_texture *texture);
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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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struct wlr_render_pass {
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	const struct wlr_render_pass_impl *impl;
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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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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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	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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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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#endif
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