18
{ 0x00, 0x00, 0xff, 0x00 }
22
{ 0x00, 0xff, 0x00, 0x00 }
26
{ 0xff, 0x00, 0x00, 0x00 }
29
{ { -0.9, -0.9, 0.0 },
30
{ 0xff, 0xff, 0xff, 0x00 }
34
GLuint arrayObj, elementObj;
36
static void Init( void )
41
static const char *prog1 =
43
"MOV result.color, vertex.color;\n"
44
"MOV result.position, vertex.position;\n"
47
glGenProgramsARB(1, &prognum);
48
glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
49
glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
50
strlen(prog1), (const GLubyte *) prog1);
52
assert(glIsProgramARB(prognum));
54
printf("glGetError = %d\n", errno);
55
if (errno != GL_NO_ERROR)
59
glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
60
printf("errorpos: %d\n", errorpos);
61
printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
65
glEnableClientState( GL_VERTEX_ARRAY );
66
glEnableClientState( GL_COLOR_ARRAY );
68
glGenBuffersARB(1, &arrayObj);
69
glBindBufferARB(GL_ARRAY_BUFFER_ARB, arrayObj);
70
glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), verts, GL_STATIC_DRAW_ARB);
72
glVertexPointer( 3, GL_FLOAT, sizeof(verts[0]), 0 );
73
glColorPointer( 4, GL_UNSIGNED_BYTE, sizeof(verts[0]), (void *)(3*sizeof(float)) );
79
static void Display( void )
81
glClearColor(0.3, 0.3, 0.3, 1);
82
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
84
glEnable(GL_VERTEX_PROGRAM_ARB);
86
/* glDrawArrays( GL_TRIANGLES, 0, 3 ); */
87
glDrawArrays( GL_TRIANGLES, 1, 3 );
93
static void Reshape( int width, int height )
95
glViewport( 0, 0, width, height );
96
glMatrixMode( GL_PROJECTION );
98
glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
99
glMatrixMode( GL_MODELVIEW );
101
/*glTranslatef( 0.0, 0.0, -15.0 );*/
105
static void Key( unsigned char key, int x, int y )
120
int main( int argc, char *argv[] )
122
glutInit( &argc, argv );
123
glutInitWindowPosition( 0, 0 );
124
glutInitWindowSize( 250, 250 );
125
glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH );
126
glutCreateWindow(argv[0]);
128
glutReshapeFunc( Reshape );
129
glutKeyboardFunc( Key );
130
glutDisplayFunc( Display );