obs-studio/libobs-opengl/gl-nix.h

/******************************************************************************
    Copyright (C) 2019 by Jason Francis <[email protected]>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/

#pragma once

#include <obs.h>
#include <obs-nix-platform.h>

#include "gl-subsystem.h"

struct gl_winsys_vtable {
	struct gl_windowinfo *(*windowinfo_create)(
		const struct gs_init_data *info);
	void (*windowinfo_destroy)(struct gl_windowinfo *info);

	struct gl_platform *(*platform_create)(gs_device_t *device,
					       uint32_t adapter);

	void (*platform_destroy)(struct gl_platform *plat);

	bool (*platform_init_swapchain)(struct gs_swap_chain *swap);

	void (*platform_cleanup_swapchain)(struct gs_swap_chain *swap);

	void (*device_enter_context)(gs_device_t *device);

	void (*device_leave_context)(gs_device_t *device);

	void *(*device_get_device_obj)(gs_device_t *device);

	void (*getclientsize)(const struct gs_swap_chain *swap, uint32_t *width,
			      uint32_t *height);

	void (*clear_context)(gs_device_t *device);

	void (*update)(gs_device_t *device);

	void (*device_load_swapchain)(gs_device_t *device,
				      gs_swapchain_t *swap);

	void (*device_present)(gs_device_t *device);

	struct gs_texture *(*device_texture_create_from_dmabuf)(
		gs_device_t *device, unsigned int width, unsigned int height,
		uint32_t drm_format, enum gs_color_format color_format,
		uint32_t n_planes, const int *fds, const uint32_t *strides,
		const uint32_t *offsets, const uint64_t *modifiers);

	bool (*device_query_dmabuf_capabilities)(
		gs_device_t *device, enum gs_dmabuf_flags *dmabuf_flags,
		uint32_t **drm_formats, size_t *n_formats);

	bool (*device_query_dmabuf_modifiers_for_format)(gs_device_t *device,
							 uint32_t drm_format,
							 uint64_t **modifiers,
							 size_t *n_modifiers);

	struct gs_texture *(*device_texture_create_from_pixmap)(
		gs_device_t *device, uint32_t width, uint32_t height,
		enum gs_color_format color_format, uint32_t target,
		void *pixmap);
	bool (*device_enum_adapters)(gs_device_t *device,
				     bool (*callback)(void *param,
						      const char *name,
						      uint32_t id),
				     void *param);
};