From d482e46bd87c7fee3c41bd2a60aa287cc7b1008f Mon Sep 17 00:00:00 2001 From: Vito Caputo Date: Sat, 18 Apr 2020 23:03:36 -0700 Subject: src: add a basic OpenGL2.1 foundation Just a bunch of shit that doesn't really do much more than produce an executable yet. --- src/sars.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 src/sars.h (limited to 'src/sars.h') diff --git a/src/sars.h b/src/sars.h new file mode 100644 index 0000000..39675e5 --- /dev/null +++ b/src/sars.h @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2020 - Vito Caputo - + * + * This program is free software: you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 3 as published + * by the Free Software Foundation. + * + * 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 . + */ + +#ifndef _SARS_H +#define _SARS_H + +#include + +#include + +#include "m4f.h" + +typedef enum sars_context_t { + SARS_CONTEXT_SARS, + SARS_CONTEXT_HUNGRYCAT, + SARS_CONTEXT_GAME, + SARS_CONTEXT_CNT +} sars_context_t; + +typedef struct sars_t { + SDL_Window *window; + SDL_GLContext *gl; + stage_t *stage; + unsigned window_width, window_height; + unsigned windowed:1; +} sars_t; + +void sars_canvas_size(sars_t *sars, int *res_width, int *res_height); +void sars_canvas_to_ndc(sars_t *sars, int x, int y, float *res_x, float *res_y); +void sars_canvas_from_ndc(sars_t *sars, float x, float y, int *res_x, int *res_y); +void sars_viewport_size(sars_t *sars, int *res_width, int *res_height); +void sars_viewport_to_ndc(sars_t *sars, int x, int y, float *res_x, float *res_y); +void sars_viewport_from_ndc(sars_t *sars, float x, float y, int *res_x, int *res_y); +uint32_t sars_viewport_id(sars_t *sars); +void sars_toggle_fullscreen(sars_t *sars); +void sars_render(play_t *play, void *context); +void sars_dispatch(play_t *play, void *context, SDL_Event *event); + +#endif -- cgit v1.2.3