vrshoot

diff src/opengl.h @ 0:b2f14e535253

initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
parents
children
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/opengl.h	Sat Feb 01 19:58:19 2014 +0200
     1.3 @@ -0,0 +1,71 @@
     1.4 +#ifndef OPENGL_H_
     1.5 +#define OPENGL_H_
     1.6 +
     1.7 +#include <stdlib.h>
     1.8 +
     1.9 +#ifdef __APPLE__
    1.10 +#include "TargetConditionals.h"
    1.11 +
    1.12 +#if TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
    1.13 +/* iOS */
    1.14 +#include <OpenGLES/ES2/gl.h>
    1.15 +#include <OpenGLES/ES2/glext.h>
    1.16 +
    1.17 +#define GL_CLAMP			GL_CLAMP_TO_EDGE
    1.18 +#define GL_DEPTH24_STENCIL8	GL_DEPTH24_STENCIL8_OES
    1.19 +
    1.20 +#undef USE_OLDGL
    1.21 +
    1.22 +#define GL_WRITE_ONLY	GL_WRITE_ONLY_OES
    1.23 +#define glMapBuffer		glMapBufferOES
    1.24 +#define glUnmapBuffer	glUnmapBufferOES
    1.25 +
    1.26 +#else
    1.27 +/* MacOS X */
    1.28 +#include <GL/glew.h>
    1.29 +#include <GLUT/glut.h>
    1.30 +
    1.31 +#define USE_OLDGL
    1.32 +#endif
    1.33 +
    1.34 +#else
    1.35 +/* UNIX or Windows */
    1.36 +#include <GL/glew.h>
    1.37 +#include <GL/glut.h>
    1.38 +
    1.39 +#define USE_OLDGL
    1.40 +#endif
    1.41 +
    1.42 +#ifndef GL_RGB16F
    1.43 +#define GL_RGB16F	0x881b
    1.44 +#endif
    1.45 +#ifndef GL_RGBA16F
    1.46 +#define GL_RGBA16F	0x881a
    1.47 +#endif
    1.48 +#ifndef GL_RGB32F
    1.49 +#define GL_RGB32F	0x8815
    1.50 +#endif
    1.51 +#ifndef GL_RGBA32F
    1.52 +#define GL_RGBA32F	0x8814
    1.53 +#endif
    1.54 +#ifndef GL_LUMINANCE16F
    1.55 +#define GL_LUMINANCE16F	0x881e
    1.56 +#endif
    1.57 +#ifndef GL_LUMINANCE32F
    1.58 +#define GL_LUMINANCE32F	0x8818
    1.59 +#endif
    1.60 +
    1.61 +#define CHECKGLERR	\
    1.62 +	do { \
    1.63 +		int err = glGetError(); \
    1.64 +		if(err) { \
    1.65 +			fprintf(stderr, "%s:%d: OpenGL error 0x%x: %s\n", __FILE__, __LINE__, err, strglerr(err)); \
    1.66 +			abort(); \
    1.67 +		} \
    1.68 +	} while(0)
    1.69 +
    1.70 +void init_opengl();
    1.71 +
    1.72 +const char *strglerr(int err);
    1.73 +
    1.74 +#endif	// OPENGL_H_