diff options
Diffstat (limited to 'progs/tests/vpeval.c')
| -rw-r--r-- | progs/tests/vpeval.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/progs/tests/vpeval.c b/progs/tests/vpeval.c deleted file mode 100644 index a4024b5336b..00000000000 --- a/progs/tests/vpeval.c +++ /dev/null @@ -1,237 +0,0 @@ -/* - * Vertex program evaluators test. - * Based on book/bezmesh.c - * - * Brian Paul - * 22 June 2002 - */ - -#include <assert.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <GL/glew.h> -#include <GL/glut.h> - - -/* - * Transform position by modelview/projection. - * Square incoming color. - */ -static const char prog[] = -"!!VP1.0\n" - -"# Typical modelview/projection\n" -"DP4 o[HPOS].x, c[0], v[OPOS] ; # object x MVP -> clip\n" -"DP4 o[HPOS].y, c[1], v[OPOS] ;\n" -"DP4 o[HPOS].z, c[2], v[OPOS] ;\n" -"DP4 o[HPOS].w, c[3], v[OPOS] ;\n" - -"MOV R0, v[COL0];\n # square the color\n" -"MUL R0, R0, R0;\n" -"MOV o[COL0], R0;\n # store output color\n" - -"END"; - - -static int program = 1; - - -GLfloat ctrlpoints[4][4][4] = -{ - { - {-1.5, -1.5, 4.0, 1.0}, - {-0.5, -1.5, 2.0, 1.0}, - {0.5, -1.5, -1.0, 1.0}, - {1.5, -1.5, 2.0, 1.0}}, - { - {-1.5, -0.5, 1.0, 1.0}, - {-0.5, -0.5, 3.0, 1.0}, - {0.5, -0.5, 0.0, 1.0}, - {1.5, -0.5, -1.0, 1.0}}, - { - {-1.5, 0.5, 4.0, 1.0}, - {-0.5, 0.5, 0.0, 1.0}, - {0.5, 0.5, 3.0, 1.0}, - {1.5, 0.5, 4.0, 1.0}}, - { - {-1.5, 1.5, -2.0, 1.0}, - {-0.5, 1.5, -2.0, 1.0}, - {0.5, 1.5, 0.0, 1.0}, - {1.5, 1.5, -1.0, 1.0}} -}; - -/* - * +-------------+ - * |green |yellow - * | | - * | | - * |black |red - * +-------------+ - */ -GLfloat colorPoints[4][4][4] = -{ - { - {0.0, 0.0, 0.0, 1.0}, - {0.3, 0.0, 0.0, 1.0}, - {0.6, 0.0, 0.0, 1.0}, - {1.0, 0.0, 0.0, 1.0}}, - { - {0.0, 0.3, 0.0, 1.0}, - {0.3, 0.3, 0.0, 1.0}, - {0.6, 0.3, 0.0, 1.0}, - {1.0, 0.3, 0.0, 1.0}}, - { - {0.0, 0.6, 0.0, 1.0}, - {0.3, 0.6, 0.0, 1.0}, - {0.6, 0.6, 0.0, 1.0}, - {1.0, 0.6, 0.0, 1.0}}, - { - {0.0, 1.0, 0.0, 1.0}, - {0.3, 1.0, 0.0, 1.0}, - {0.6, 1.0, 0.0, 1.0}, - {1.0, 1.0, 0.0, 1.0}} -}; - - -static void -initlights(void) -{ -#if 0 /* no lighting for now */ - GLfloat ambient[] = {0.2, 0.2, 0.2, 1.0}; - GLfloat position[] = {0.0, 0.0, 2.0, 1.0}; - GLfloat mat_diffuse[] = {0.6, 0.6, 0.6, 1.0}; - GLfloat mat_specular[] = {1.0, 1.0, 1.0, 1.0}; - GLfloat mat_shininess[] = {50.0}; - - glEnable(GL_LIGHTING); - glEnable(GL_LIGHT0); - - glLightfv(GL_LIGHT0, GL_AMBIENT, ambient); - glLightfv(GL_LIGHT0, GL_POSITION, position); - - glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse); - glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular); - glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess); -#endif -} - -static void -display(void) -{ - glClearColor(.3, .3, .3, 0); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - glPushMatrix(); -#if 1 - glRotatef(85.0, 1.0, 1.0, 1.0); -#endif - glEvalMesh2(GL_FILL, 0, 8, 0, 8); - glPopMatrix(); - glFlush(); -} - -static void -myinit(int argc, char *argv[]) -{ - glClearColor(0.0, 0.0, 0.0, 1.0); - glEnable(GL_DEPTH_TEST); - - initlights(); /* for lighted version only */ - - glMapGrid2f(8, 0.0, 1.0, 8, 0.0, 1.0); - - if (argc > 1) - program = 0; - - printf("Using vertex program attribs? %s\n", program ? "yes" : "no"); - - if (program && !glutExtensionSupported("GL_NV_vertex_program")) { - printf("Sorry, this requires GL_NV_vertex_program\n"); - exit(1); - } - - if (!program) { - glMap2f(GL_MAP2_VERTEX_4, - 0.0, 1.0, 4, 4, - 0.0, 1.0, 16, 4, &ctrlpoints[0][0][0]); - glMap2f(GL_MAP2_COLOR_4, - 0.0, 1.0, 4, 4, - 0.0, 1.0, 16, 4, &colorPoints[0][0][0]); - glEnable(GL_MAP2_VERTEX_4); - glEnable(GL_MAP2_COLOR_4); - /* - glEnable(GL_AUTO_NORMAL); - glEnable(GL_NORMALIZE); - */ - } - else { - glMap2f(GL_MAP2_VERTEX_ATTRIB0_4_NV, - 0.0, 1.0, 4, 4, - 0.0, 1.0, 16, 4, &ctrlpoints[0][0][0]); - glMap2f(GL_MAP2_VERTEX_ATTRIB3_4_NV, - 0.0, 1.0, 4, 4, - 0.0, 1.0, 16, 4, &colorPoints[0][0][0]); - glEnable(GL_MAP2_VERTEX_ATTRIB0_4_NV); - glEnable(GL_MAP2_VERTEX_ATTRIB3_4_NV); - - /* - glEnable(GL_AUTO_NORMAL); - glEnable(GL_NORMALIZE); - */ - - /* vertex program init */ - glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 1, - strlen(prog), (const GLubyte *) prog); - assert(glIsProgramNV(1)); - glBindProgramNV(GL_VERTEX_PROGRAM_NV, 1); - - /* track matrices */ - glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 0, GL_MODELVIEW_PROJECTION_NV, GL_IDENTITY_NV); - glEnable(GL_VERTEX_PROGRAM_NV); - } -} - -static void -myReshape(int w, int h) -{ - glViewport(0, 0, w, h); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - if (w <= h) - glOrtho(-4.0, 4.0, -4.0 * (GLfloat) h / (GLfloat) w, - 4.0 * (GLfloat) h / (GLfloat) w, -4.0, 4.0); - else - glOrtho(-4.0 * (GLfloat) w / (GLfloat) h, - 4.0 * (GLfloat) w / (GLfloat) h, -4.0, 4.0, -4.0, 4.0); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); -} - -static void -key(unsigned char k, int x, int y) -{ - switch (k) { - case 27: /* Escape */ - exit(0); - break; - default: - return; - } - glutPostRedisplay(); -} - -int -main(int argc, char **argv) -{ - glutInit(&argc, argv); - glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH); - glutInitWindowPosition(0, 0); - glutCreateWindow(argv[0]); - glewInit(); - myinit(argc, argv); - glutReshapeFunc(myReshape); - glutDisplayFunc(display); - glutKeyboardFunc(key); - glutMainLoop(); - return 0; /* ANSI C requires main to return int. */ -} |