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-rw-r--r--progs/vp/vp-tris.c333
1 files changed, 0 insertions, 333 deletions
diff --git a/progs/vp/vp-tris.c b/progs/vp/vp-tris.c
deleted file mode 100644
index 09236c296f7..00000000000
--- a/progs/vp/vp-tris.c
+++ /dev/null
@@ -1,333 +0,0 @@
-/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
-
-#include <assert.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-
-#ifndef WIN32
-#include <unistd.h>
-#include <signal.h>
-#endif
-
-#include <GL/glew.h>
-#include <GL/glut.h>
-
-static const char *filename = NULL;
-static GLuint nr_steps = 4;
-static GLuint prim = GL_TRIANGLES;
-static GLfloat psz = 1.0;
-static GLboolean pointsmooth = 0;
-static GLboolean program_point_size = 0;
-
-static void usage( char *name )
-{
- fprintf( stderr, "usage: %s [ options ] shader_filename\n", name );
- fprintf( stderr, "\n" );
- fprintf( stderr, "options:\n" );
- fprintf( stderr, " -f flat shaded\n" );
- fprintf( stderr, " -nNr subdivision steps\n" );
- fprintf( stderr, " -fps show frames per second\n" );
-}
-
-unsigned show_fps = 0;
-unsigned int frame_cnt = 0;
-
-#ifndef WIN32
-
-void alarmhandler(int);
-
-void alarmhandler (int sig)
-{
- if (sig == SIGALRM) {
- printf("%d frames in 5.0 seconds = %.3f FPS\n", frame_cnt,
- frame_cnt / 5.0);
-
- frame_cnt = 0;
- }
- signal(SIGALRM, alarmhandler);
- alarm(5);
-}
-
-#endif
-
-static void args(int argc, char *argv[])
-{
- GLint i;
-
- for (i = 1; i < argc; i++) {
- if (strncmp(argv[i], "-n", 2) == 0) {
- nr_steps = atoi((argv[i]) + 2);
- }
- else if (strcmp(argv[i], "-f") == 0) {
- glShadeModel(GL_FLAT);
- }
- else if (strcmp(argv[i], "-fps") == 0) {
- show_fps = 1;
- }
- else if (i == argc - 1) {
- filename = argv[i];
- }
- else {
- usage(argv[0]);
- exit(1);
- }
- }
-
- if (!filename) {
- usage(argv[0]);
- exit(1);
- }
-}
-
-
-
-static void Init( void )
-{
- GLint errno;
- GLuint prognum;
- char buf[4096];
- GLuint sz;
- FILE *f;
-
- if ((f = fopen(filename, "r")) == NULL) {
- fprintf(stderr, "couldn't open %s\n", filename);
- exit(1);
- }
-
- sz = (GLuint) fread(buf, 1, sizeof(buf) - 1, f);
- buf[sizeof(buf) - 1] = '\0';
- if (!feof(f)) {
- fprintf(stderr, "file too long\n");
- fclose(f);
- exit(1);
- }
-
- fclose(f);
- fprintf(stderr, "%.*s\n", sz, buf);
-
- if (strncmp( buf, "!!VP", 4 ) == 0) {
- glEnable( GL_VERTEX_PROGRAM_NV );
- glGenProgramsNV( 1, &prognum );
- glBindProgramNV( GL_VERTEX_PROGRAM_NV, prognum );
- glLoadProgramNV( GL_VERTEX_PROGRAM_NV, prognum, sz, (const GLubyte *) buf );
- assert( glIsProgramNV( prognum ) );
- }
- else {
- glEnable(GL_VERTEX_PROGRAM_ARB);
-
- glGenProgramsARB(1, &prognum);
-
- glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
- glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
- sz, (const GLubyte *) buf);
- if (glGetError()) {
- printf("Program failed to compile:\n%s\n", buf);
- printf("Error: %s\n",
- (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
- exit(1);
- }
- assert(glIsProgramARB(prognum));
- }
-
- errno = glGetError();
- printf("glGetError = %d\n", errno);
- if (errno != GL_NO_ERROR)
- {
- GLint errorpos;
-
- glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
- printf("errorpos: %d\n", errorpos);
- printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
- }
-
- {
- const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 };
- const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 };
- const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 };
- const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 };
- glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient);
- glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
- glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
- glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission);
- }
-}
-
-
-union vert {
- struct {
- GLfloat color[3];
- GLfloat pos[3];
- } v;
- GLfloat f[6];
-};
-
-static void make_midpoint( union vert *out,
- const union vert *v0,
- const union vert *v1)
-{
- int i;
- for (i = 0; i < 6; i++)
- out->f[i] = v0->f[i] + .5 * (v1->f[i] - v0->f[i]);
-}
-
-static void subdiv( union vert *v0,
- union vert *v1,
- union vert *v2,
- GLuint depth )
-{
- if (depth == 0) {
- glColor3fv(v0->v.color);
- glVertex3fv(v0->v.pos);
- glColor3fv(v1->v.color);
- glVertex3fv(v1->v.pos);
- glColor3fv(v2->v.color);
- glVertex3fv(v2->v.pos);
- }
- else {
- union vert m[3];
-
- make_midpoint(&m[0], v0, v1);
- make_midpoint(&m[1], v1, v2);
- make_midpoint(&m[2], v2, v0);
-
- subdiv(&m[0], &m[2], v0, depth-1);
- subdiv(&m[1], &m[0], v1, depth-1);
- subdiv(&m[2], &m[1], v2, depth-1);
- subdiv(&m[0], &m[1], &m[2], depth-1);
- }
-}
-
-static void enable( GLenum value, GLboolean flag )
-{
- if (flag)
- glEnable(value);
- else
- glDisable(value);
-}
-
-/** Assignment */
-#define ASSIGN_3V( V, V0, V1, V2 ) \
-do { \
- V[0] = V0; \
- V[1] = V1; \
- V[2] = V2; \
-} while(0)
-
-static void Display( void )
-{
- glClearColor(0.3, 0.3, 0.3, 1);
- glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
- glPointSize(psz);
-
- enable( GL_POINT_SMOOTH, pointsmooth );
- enable( GL_VERTEX_PROGRAM_POINT_SIZE_ARB, program_point_size );
-
- glBegin(prim);
-
-
- {
- union vert v[3];
-
- ASSIGN_3V(v[0].v.color, 0,0,1);
- ASSIGN_3V(v[0].v.pos, 0.9, -0.9, 0.0);
- ASSIGN_3V(v[1].v.color, 1,0,0);
- ASSIGN_3V(v[1].v.pos, 0.9, 0.9, 0.0);
- ASSIGN_3V(v[2].v.color, 0,1,0);
- ASSIGN_3V(v[2].v.pos, -0.9, 0, 0.0);
-
- subdiv(&v[0], &v[1], &v[2], nr_steps);
- }
-
- glEnd();
-
-
- glFlush();
- if (show_fps) {
- ++frame_cnt;
- glutPostRedisplay();
- }
-}
-
-
-static void Reshape( int width, int height )
-{
- glViewport( 0, 0, width, height );
- glMatrixMode( GL_PROJECTION );
- glLoadIdentity();
- glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
- glMatrixMode( GL_MODELVIEW );
- glLoadIdentity();
- /*glTranslatef( 0.0, 0.0, -15.0 );*/
-}
-
-
-static void Key( unsigned char key, int x, int y )
-{
- (void) x;
- (void) y;
- switch (key) {
- case 'p':
- prim = GL_POINTS;
- break;
- case 't':
- prim = GL_TRIANGLES;
- break;
- case 's':
- psz += .5;
- break;
- case 'S':
- if (psz > .5)
- psz -= .5;
- break;
- case 'm':
- pointsmooth = !pointsmooth;
- break;
- case 'z':
- program_point_size = !program_point_size;
- break;
- case '+':
- nr_steps++;
- break;
- case '-':
- if (nr_steps)
- nr_steps--;
- break;
- case ' ':
- psz = 1.0;
- prim = GL_TRIANGLES;
- nr_steps = 4;
- break;
- case 27:
- exit(0);
- break;
- }
- glutPostRedisplay();
-}
-
-
-
-
-int main( int argc, char *argv[] )
-{
- glutInit( &argc, argv );
- glutInitWindowPosition( 0, 0 );
- glutInitWindowSize( 250, 250 );
- glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH );
- glutCreateWindow(argv[argc-1]);
- glewInit();
- glutReshapeFunc( Reshape );
- glutKeyboardFunc( Key );
- glutDisplayFunc( Display );
- args( argc, argv );
- Init();
-#ifndef WIN32
- if (show_fps) {
- signal(SIGALRM, alarmhandler);
- alarm(5);
- }
-#endif
- glutMainLoop();
- return 0;
-}
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