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Fix building of GLSL demos which use M_PI

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Some <math.h> files do not define M_PI, in which case, provide our own definition

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
This commit is contained in:
Jon TURNEY 2009-07-24 20:33:25 +01:00 • committed by Brian Paul
parent 43750f1575
commit a15d9ca9cc
3 changed files with 9 additions and 0 deletions
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3
progs/glsl/skinning.c
View file

@ -16,6 +16,9 @@
#include <GL/glut.h>
#include "shaderutil.h"
#ifndef M_PI
#define M_PI 3.1415926535
#endif
static char *FragProgFile = "skinning.frag";
static char *VertProgFile = "skinning.vert";

3
progs/glsl/texaaline.c
View file

@ -14,6 +14,9 @@
#include <GL/glew.h>
#include <GL/glut.h>
#ifndef M_PI
#define M_PI 3.1415926535
#endif
static GLint WinWidth = 300, WinHeight = 300;
static GLint win = 0;

3
progs/glsl/twoside.c
View file

@ -16,6 +16,9 @@
#include <GL/glut.h>
#include "shaderutil.h"
#ifndef M_PI
#define M_PI 3.1415926535
#endif
static GLint WinWidth = 300, WinHeight = 300;
static char *FragProgFile = NULL;