117 lines
2.4 KiB
C
117 lines
2.4 KiB
C
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/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
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#include <assert.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#define GL_GLEXT_PROTOTYPES
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#include <GL/glut.h>
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static void Init( void )
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{
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GLint errno;
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GLuint prognum;
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static const char *prog1 =
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"!!ARBvp1.0\n"
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"MOV result.color, vertex.color;\n"
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"MOV result.position, vertex.position;\n"
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"END\n";
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glGenProgramsARB(1, &prognum);
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glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
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glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
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strlen(prog1), (const GLubyte *) prog1);
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assert(glIsProgramARB(prognum));
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errno = glGetError();
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printf("glGetError = %d\n", errno);
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if (errno != GL_NO_ERROR)
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{
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GLint errorpos;
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glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
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printf("errorpos: %d\n", errorpos);
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printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
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}
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}
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static void Display( void )
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{
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glClearColor(0.3, 0.3, 0.3, 1);
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glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
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glEnable(GL_VERTEX_PROGRAM_NV);
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#if 0
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glBegin(GL_LINES);
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glColor3f(0,0,1);
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glVertex3f( 0.75, -0.75, 0.0);
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glColor3f(0,1,0);
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glVertex3f( 0.75, 0.75, 0.0);
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glColor3f(0,1,0);
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glVertex3f( 0.75, 0.75, 0.0);
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glColor3f(1,0,0);
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glVertex3f(-1.75, 0.0, 0.0);
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glEnd();
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#else
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glBegin(GL_LINE_STRIP);
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glColor3f(0,0,1);
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glVertex3f( 0.75, -0.75, 0.0);
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glColor3f(0,1,0);
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glVertex3f( 0.75, 0.75, 0.0);
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glColor3f(1,0,0);
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glVertex3f(-1.75, 0.0, 0.0);
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glEnd();
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#endif
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glFlush();
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}
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static void Reshape( int width, int height )
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{
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glViewport( 0, 0, width, height );
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glMatrixMode( GL_PROJECTION );
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glLoadIdentity();
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glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
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glMatrixMode( GL_MODELVIEW );
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glLoadIdentity();
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/*glTranslatef( 0.0, 0.0, -15.0 );*/
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}
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static void Key( unsigned char key, int x, int y )
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{
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(void) x;
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(void) y;
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switch (key) {
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case 27:
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exit(0);
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break;
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}
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glutPostRedisplay();
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}
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int main( int argc, char *argv[] )
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{
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glutInit( &argc, argv );
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glutInitWindowPosition( 0, 0 );
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glutInitWindowSize( 250, 250 );
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glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH );
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glutCreateWindow(argv[0]);
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glutReshapeFunc( Reshape );
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glutKeyboardFunc( Key );
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glutDisplayFunc( Display );
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Init();
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glutMainLoop();
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return 0;
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}
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