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69 lines
2 KiB
C
69 lines
2 KiB
C
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/*
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libgldemo - General-purpose OpenGL demo backend
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libgldemo.h - Copyright (c) 2012 Niotso Project <http://niotso.org/>
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Author(s): Fatbag <X-Fi6@phppoll.org>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include <GL/glext.h>
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typedef struct {
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const char *__restrict Title;
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uint16_t Width, Height;
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int (* Startup)(void);
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int (* Shutdown)(void);
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int (* InitGL)(void);
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int (* ResizeScene)(uint16_t width, uint16_t height);
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int (* DrawScene)(float TimeDelta, uint8_t keys[256]);
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} DemoConfig;
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern const DemoConfig Demo;
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#ifdef __cplusplus
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}
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#endif
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#ifdef _WIN32
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#include <windows.h>
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#define DemoMessageBox(x) MessageBox(NULL, x, NULL, MB_OK)
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#define DemoErrorBox(x) MessageBox(NULL, x, NULL, MB_OK | MB_ICONERROR)
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#define KEY_LEFT VK_LEFT
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#define KEY_UP VK_UP
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#define KEY_RIGHT VK_RIGHT
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#define KEY_DOWN VK_DOWN
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#else
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#define POSIX_C_SOURCE 199309L
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#include <stdio.h>
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#include <time.h>
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#include <GL/glx.h>
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#include <X11/extensions/xf86vmode.h>
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#include <X11/XKBlib.h>
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#include <X11/keysym.h>
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#define DemoMessageBox(x) fprintf(stdout, "%s\n", x)
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#define DemoErrorBox(x) fprintf(stderr, "%s\n", x)
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#define KEY_LEFT 0x25
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#define KEY_UP 0x26
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#define KEY_RIGHT 0x27
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#define KEY_DOWN 0x28
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#endif
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