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remove incorrect negation in fog coord computation

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This commit is contained in:
Brian Paul 2004-02-16 16:44:40 +00:00
parent 477363455d
commit 64d6ddabaa
1 changed files with 4 additions and 1 deletions
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5
progs/tests/fogcoord.c
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@ -22,7 +22,8 @@ static void Display( void )
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
for (t = 0.0; t <= 1.0; t += 0.25) {
GLfloat f = -(Near + t * (Far - Near));
GLfloat f = Near + t * (Far - Near);
printf("glFogCoord(%4.1f)\n", f);
glFogCoordfEXT(f);
glPushMatrix();
@ -69,6 +70,8 @@ static void Key( unsigned char key, int x, int y )
static void Init( void )
{
printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
/* setup lighting, etc */
if (!glutExtensionSupported("GL_EXT_fog_coord")) {
printf("Sorry, this program requires GL_EXT_fog_coord\n");