148 lines
2.9 KiB
C
148 lines
2.9 KiB
C
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/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <math.h>
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#include <GL/glew.h>
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#include <GL/glut.h>
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#define CI_OFFSET_1 16
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#define CI_OFFSET_2 32
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GLenum doubleBuffer;
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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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"OPTION ARB_position_invariant ;"
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"MOV result.color, vertex.color;\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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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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fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
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fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
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fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
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fflush(stderr);
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glClearColor(0.0, 0.0, 1.0, 0.0);
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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, (GLint)width, (GLint)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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}
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static void Key(unsigned char key, int x, int y)
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{
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switch (key) {
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case 27:
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exit(1);
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default:
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break;
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}
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glutPostRedisplay();
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}
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static void Draw(void)
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{
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glClear(GL_COLOR_BUFFER_BIT);
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glEnable(GL_VERTEX_PROGRAM_ARB);
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glBegin(GL_TRIANGLES);
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glColor3f(0,0,.7);
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glVertex3f( 0.9, -0.9, -0.0);
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glColor3f(.8,0,0);
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glVertex3f( 0.9, 0.9, -0.0);
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glColor3f(0,.9,0);
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glVertex3f(-0.9, 0.0, -0.0);
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glEnd();
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glFlush();
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if (doubleBuffer) {
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glutSwapBuffers();
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}
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}
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static GLenum Args(int argc, char **argv)
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{
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GLint i;
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doubleBuffer = GL_FALSE;
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for (i = 1; i < argc; i++) {
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if (strcmp(argv[i], "-sb") == 0) {
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doubleBuffer = GL_FALSE;
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} else if (strcmp(argv[i], "-db") == 0) {
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doubleBuffer = GL_TRUE;
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} else {
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fprintf(stderr, "%s (Bad option).\n", argv[i]);
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return GL_FALSE;
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}
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}
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return GL_TRUE;
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}
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int main(int argc, char **argv)
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{
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GLenum type;
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glutInit(&argc, argv);
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if (Args(argc, argv) == GL_FALSE) {
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exit(1);
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}
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glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
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type = GLUT_RGB | GLUT_ALPHA;
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type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
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glutInitDisplayMode(type);
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if (glutCreateWindow(*argv) == GL_FALSE) {
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exit(1);
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}
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glewInit();
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Init();
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glutReshapeFunc(Reshape);
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glutKeyboardFunc(Key);
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glutDisplayFunc(Draw);
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glutMainLoop();
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return 0;
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}
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