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clean up usage of extension function pointers

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This commit is contained in:
Brian Paul 2003-04-17 21:43:55 +00:00
parent 24339179a4
commit 3ca3ab0cd1
1 changed files with 15 additions and 7 deletions
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22
progs/demos/arbfplight.c
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@ -28,6 +28,8 @@ static GLboolean PixelLight = GL_TRUE;
static GLfloat Xrot = 0, Yrot = 0;
static PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB_func;
static PFNGLPROGRAMLOCALPARAMETER4DARBPROC glProgramLocalParameter4dARB_func;
static PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC glGetProgramLocalParameterdvARB_func;
static PFNGLGENPROGRAMSARBPROC glGenProgramsARB_func;
static PFNGLPROGRAMSTRINGARBPROC glProgramStringARB_func;
static PFNGLBINDPROGRAMARBPROC glBindProgramARB_func;
@ -45,8 +47,8 @@ static void Redisplay( void )
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
if (PixelLight) {
glProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB,
LIGHTPOS, LightPos);
glProgramLocalParameter4fvARB_func(GL_FRAGMENT_PROGRAM_ARB,
LIGHTPOS, LightPos);
glEnable(GL_FRAGMENT_PROGRAM_ARB);
glEnable(GL_VERTEX_PROGRAM_ARB);
glDisable(GL_LIGHTING);
@ -241,6 +243,12 @@ static void Init( void )
glProgramLocalParameter4fvARB_func = (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC) glutGetProcAddress("glProgramLocalParameter4fvARB");
assert(glProgramLocalParameter4fvARB_func);
glProgramLocalParameter4dARB_func = (PFNGLPROGRAMLOCALPARAMETER4DARBPROC) glutGetProcAddress("glProgramLocalParameter4dARB");
assert(glProgramLocalParameter4dARB_func);
glGetProgramLocalParameterdvARB_func = (PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC) glutGetProcAddress("glGetProgramLocalParameterdvARB");
assert(glGetProgramLocalParameterdvARB_func);
glGenProgramsARB_func = (PFNGLGENPROGRAMSARBPROC) glutGetProcAddress("glGenProgramsARB");
assert(glGenProgramsARB_func);
@ -272,22 +280,22 @@ static void Init( void )
}
assert(glIsProgramARB_func(FragProg));
glProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, DIFFUSE, Diffuse);
glProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, SPECULAR, Specular);
glProgramLocalParameter4fvARB_func(GL_FRAGMENT_PROGRAM_ARB, DIFFUSE, Diffuse);
glProgramLocalParameter4fvARB_func(GL_FRAGMENT_PROGRAM_ARB, SPECULAR, Specular);
/*
* Do some sanity tests
*/
{
GLdouble v[4];
glProgramLocalParameter4dARB(GL_FRAGMENT_PROGRAM_ARB, 8,
glProgramLocalParameter4dARB_func(GL_FRAGMENT_PROGRAM_ARB, 8,
10.0, 20.0, 30.0, 40.0);
glGetProgramLocalParameterdvARB(GL_FRAGMENT_PROGRAM_ARB, 8, v);
glGetProgramLocalParameterdvARB_func(GL_FRAGMENT_PROGRAM_ARB, 8, v);
assert(v[0] == 10.0);
assert(v[1] == 20.0);
assert(v[2] == 30.0);
assert(v[3] == 40.0);
glGetProgramLocalParameterdvARB(GL_FRAGMENT_PROGRAM_ARB, DIFFUSE, v);
glGetProgramLocalParameterdvARB_func(GL_FRAGMENT_PROGRAM_ARB, DIFFUSE, v);
assert(v[0] == Diffuse[0]);
assert(v[1] == Diffuse[1]);
assert(v[2] == Diffuse[2]);