127 lines
2.7 KiB
C
127 lines
2.7 KiB
C
/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
|
|
|
|
#include <assert.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <math.h>
|
|
#include <GL/glew.h>
|
|
#include <GL/glut.h>
|
|
|
|
static float Zrot = 0.0;
|
|
|
|
|
|
static void Display( void )
|
|
{
|
|
glClearColor(0.3, 0.3, 0.3, 1);
|
|
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
|
|
|
|
glEnable(GL_VERTEX_PROGRAM_NV);
|
|
|
|
glLoadIdentity();
|
|
glRotatef(Zrot, 0, 0, 1);
|
|
|
|
glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 0, GL_MODELVIEW, GL_IDENTITY_NV);
|
|
glPushMatrix();
|
|
|
|
glVertexAttrib3fNV(3, 1, 0.5, 0.25);
|
|
glBegin(GL_TRIANGLES);
|
|
#if 1
|
|
glVertexAttrib3fNV(3, 1.0, 0.0, 0.0);
|
|
glVertexAttrib2fNV(0, -0.5, -0.5);
|
|
glVertexAttrib3fNV(3, 0.0, 1.0, 0.0);
|
|
glVertexAttrib2fNV(0, 0.5, -0.5);
|
|
glVertexAttrib3fNV(3, 0.0, 0.0, 1.0);
|
|
glVertexAttrib2fNV(0, 0, 0.5);
|
|
#else
|
|
glVertex2f( -1, -1);
|
|
glVertex2f( 1, -1);
|
|
glVertex2f( 0, 1);
|
|
#endif
|
|
glEnd();
|
|
|
|
glPopMatrix();
|
|
|
|
glutSwapBuffers();
|
|
}
|
|
|
|
|
|
static void Reshape( int width, int height )
|
|
{
|
|
glViewport( 0, 0, width, height );
|
|
glMatrixMode( GL_PROJECTION );
|
|
glLoadIdentity();
|
|
/* glFrustum( -2.0, 2.0, -2.0, 2.0, 5.0, 25.0 );*/
|
|
glOrtho(-2.0, 2.0, -2.0, 2.0, -2.0, 2.0 );
|
|
glMatrixMode( GL_MODELVIEW );
|
|
glLoadIdentity();
|
|
/*glTranslatef( 0.0, 0.0, -15.0 );*/
|
|
}
|
|
|
|
|
|
static void Key( unsigned char key, int x, int y )
|
|
{
|
|
(void) x;
|
|
(void) y;
|
|
switch (key) {
|
|
case 'z':
|
|
Zrot -= 5.0;
|
|
break;
|
|
case 'Z':
|
|
Zrot += 5.0;
|
|
break;
|
|
case 27:
|
|
exit(0);
|
|
break;
|
|
}
|
|
glutPostRedisplay();
|
|
}
|
|
|
|
|
|
static void Init( void )
|
|
{
|
|
static const char *prog1 =
|
|
"!!VP1.0\n"
|
|
"MOV o[COL0], v[COL0];\n"
|
|
#if 0
|
|
"MOV o[HPOS], v[OPOS];\n"
|
|
#else
|
|
"DP4 o[HPOS].x, v[OPOS], c[0];\n"
|
|
"DP4 o[HPOS].y, v[OPOS], c[1];\n"
|
|
"DP4 o[HPOS].z, v[OPOS], c[2];\n"
|
|
"DP4 o[HPOS].w, v[OPOS], c[3];\n"
|
|
#endif
|
|
"END\n";
|
|
|
|
if (!glutExtensionSupported("GL_NV_vertex_program")) {
|
|
printf("Sorry, this program requires GL_NV_vertex_program\n");
|
|
exit(1);
|
|
}
|
|
|
|
glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 1,
|
|
strlen(prog1),
|
|
(const GLubyte *) prog1);
|
|
assert(glIsProgramNV(1));
|
|
|
|
glBindProgramNV(GL_VERTEX_PROGRAM_NV, 1);
|
|
|
|
printf("glGetError = %d\n", (int) glGetError());
|
|
}
|
|
|
|
|
|
int main( int argc, char *argv[] )
|
|
{
|
|
glutInit( &argc, argv );
|
|
glutInitWindowPosition( 0, 0 );
|
|
glutInitWindowSize( 250, 250 );
|
|
glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
|
|
glutCreateWindow(argv[0]);
|
|
glewInit();
|
|
glutReshapeFunc( Reshape );
|
|
glutKeyboardFunc( Key );
|
|
glutDisplayFunc( Display );
|
|
Init();
|
|
glutMainLoop();
|
|
return 0;
|
|
}
|