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no need to enable fog or set fog mode with fragment program

This commit is contained in:
Brian Paul 2005-04-26 20:58:27 +00:00
parent 55d8dd4078
commit 69441868f6
1 changed files with 0 additions and 8 deletions
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8
progs/demos/arbfplight.c
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@ -51,20 +51,16 @@ static void Redisplay( void )
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
if (PixelLight) {
#if defined(GL_ARB_fragment_program)
glProgramLocalParameter4fvARB_func(GL_FRAGMENT_PROGRAM_ARB,
LIGHTPOS, LightPos);
glEnable(GL_FRAGMENT_PROGRAM_ARB);
glEnable(GL_VERTEX_PROGRAM_ARB);
#endif
glDisable(GL_LIGHTING);
}
else {
glLightfv(GL_LIGHT0, GL_POSITION, LightPos);
#if defined(GL_ARB_fragment_program)
glDisable(GL_FRAGMENT_PROGRAM_ARB);
glDisable(GL_VERTEX_PROGRAM_ARB);
#endif
glEnable(GL_LIGHTING);
}
@ -302,7 +298,6 @@ static void Init( void )
glDeleteProgramsARB_func = (PFNGLDELETEPROGRAMSARBPROC) glutGetProcAddress("glDeleteProgramsARB");
assert(glDeleteProgramsARB_func);
#if defined(GL_ARB_fragment_program)
/*
* Fragment program
*/
@ -354,7 +349,6 @@ static void Init( void )
exit(0);
}
assert(glIsProgramARB_func(VertProg));
#endif
/*
* Misc init
@ -371,11 +365,9 @@ static void Init( void )
{
/* Green-ish fog color */
static const GLfloat fogColor[4] = {0.5, 1.0, 0.5, 0};
glFogi(GL_FOG_MODE, GL_LINEAR);
glFogfv(GL_FOG_COLOR, fogColor);
glFogf(GL_FOG_START, 5.0);
glFogf(GL_FOG_END, 25.0);
glEnable(GL_FOG);
}
#endif