1/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
2
3#include <assert.h>
4#include <string.h>
5#include <stdio.h>
6#include <stdlib.h>
7#include <math.h>
8#include <GL/glew.h>
9#include "glut_wrap.h"
10
11static void Init( void )
12{
13   GLint errnum;
14   GLuint prognum;
15
16   static const char *prog1 =
17      "!!ARBvp1.0\n"
18      "MOV  result.position, vertex.color;\n"
19      "MOV  result.color, vertex.position;\n"
20      "END\n";
21
22
23   glGenProgramsARB(1, &prognum);
24
25   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
26   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
27		      strlen(prog1), (const GLubyte *) prog1);
28
29   assert(glIsProgramARB(prognum));
30   errnum = glGetError();
31   printf("glGetError = %d\n", errnum);
32   if (errnum != GL_NO_ERROR)
33   {
34      GLint errorpos;
35
36      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
37      printf("errorpos: %d\n", errorpos);
38      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
39   }
40}
41
42static void Display( void )
43{
44   glClearColor(0.3, 0.3, 0.3, 1);
45   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
46
47   glEnable(GL_VERTEX_PROGRAM_NV);
48
49   glBegin(GL_TRIANGLES);
50   glColor3f(0,0,.7);
51   glVertex3f( 0.9, -0.9, -0.0);
52   glColor3f(.8,0,0);
53   glVertex3f( 0.9,  0.9, -0.0);
54   glColor3f(0,.9,0);
55   glVertex3f(-0.9,  0.0, -0.0);
56   glEnd();
57
58
59   glFlush();
60}
61
62
63static void Reshape( int width, int height )
64{
65   glViewport( 0, 0, width, height );
66   glMatrixMode( GL_PROJECTION );
67   glLoadIdentity();
68   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
69   glMatrixMode( GL_MODELVIEW );
70   glLoadIdentity();
71   /*glTranslatef( 0.0, 0.0, -15.0 );*/
72}
73
74
75static void Key( unsigned char key, int x, int y )
76{
77   (void) x;
78   (void) y;
79   switch (key) {
80      case 27:
81         exit(0);
82         break;
83   }
84   glutPostRedisplay();
85}
86
87
88
89
90int main( int argc, char *argv[] )
91{
92   glutInit( &argc, argv );
93   glutInitWindowPosition( 0, 0 );
94   glutInitWindowSize( 250, 250 );
95   glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE );
96   glutCreateWindow(argv[0]);
97   glewInit();
98   glutReshapeFunc( Reshape );
99   glutKeyboardFunc( Key );
100   glutDisplayFunc( Display );
101   Init();
102   glutMainLoop();
103   return 0;
104}
105