| /* 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"; |
| |
| 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; |
| } |