vp-tri-imm.c revision 7ec3b29a 
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      "ADD  result.color, vertex.color, {.5}.x;\n"
19      "MOV  result.position, 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(0,0,0);
51   glVertex3f( 0.9, -0.9, -0.0);
52   glVertex3f( 0.9,  0.9, -0.0);
53   glVertex3f(-0.9,  0.0, -0.0);
54   glEnd();
55
56
57   glFlush();
58}
59
60
61static void Reshape( int width, int height )
62{
63   glViewport( 0, 0, width, height );
64   glMatrixMode( GL_PROJECTION );
65   glLoadIdentity();
66   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
67   glMatrixMode( GL_MODELVIEW );
68   glLoadIdentity();
69   /*glTranslatef( 0.0, 0.0, -15.0 );*/
70}
71
72
73static void Key( unsigned char key, int x, int y )
74{
75   (void) x;
76   (void) y;
77   switch (key) {
78      case 27:
79         exit(0);
80         break;
81   }
82   glutPostRedisplay();
83}
84
85
86
87
88int main( int argc, char *argv[] )
89{
90   glutInit( &argc, argv );
91   glutInitWindowPosition( 0, 0 );
92   glutInitWindowSize( 250, 250 );
93   glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE );
94   glutCreateWindow(argv[0]);
95   glewInit();
96   glutReshapeFunc( Reshape );
97   glutKeyboardFunc( Key );
98   glutDisplayFunc( Display );
99   Init();
100   glutMainLoop();
101   return 0;
102}
103