fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-05 00:58:05 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

use #ifdef to test for extension

Browse source
This commit is contained in:
Brian Paul 2005-01-09 17:39:36 +00:00
parent 2d84ed83c4
commit a4a31c5d76
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
progs/demos/fplight.c
View file

@ -37,15 +37,19 @@ static void Display( void )
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
if (PixelLight) {
#if defined(GL_NV_fragment_program)
NAMED_PARAMETER4FV(FragProg, "LightPos", LightPos);
glEnable(GL_FRAGMENT_PROGRAM_NV);
glEnable(GL_VERTEX_PROGRAM_NV);
#endif
glDisable(GL_LIGHTING);
}
else {
glLightfv(GL_LIGHT0, GL_POSITION, LightPos);
#if defined(GL_NV_fragment_program)
glDisable(GL_FRAGMENT_PROGRAM_NV);
glDisable(GL_VERTEX_PROGRAM_NV);
#endif
glEnable(GL_LIGHTING);
}
@ -216,6 +220,7 @@ static void Init( void )
exit(1);
}
#if defined(GL_NV_fragment_program)
glGenProgramsNV(1, &FragProg);
assert(FragProg > 0);
glGenProgramsNV(1, &VertProg);
@ -243,6 +248,7 @@ static void Init( void )
glBindProgramNV(GL_VERTEX_PROGRAM_NV, VertProg);
glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 0, GL_MODELVIEW_PROJECTION_NV, GL_IDENTITY_NV);
glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 4, GL_MODELVIEW, GL_INVERSE_TRANSPOSE_NV);
#endif
/*
* Misc init