diff options
Diffstat (limited to 'progs/tests/vptorus.c')
-rw-r--r-- | progs/tests/vptorus.c | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/progs/tests/vptorus.c b/progs/tests/vptorus.c deleted file mode 100644 index e61ffdac217..00000000000 --- a/progs/tests/vptorus.c +++ /dev/null @@ -1,175 +0,0 @@ -/* - * A lit, rotating torus via vertex program - */ - -#include <assert.h> -#include <string.h> -#include <stdio.h> -#include <stdlib.h> -#include <math.h> -#include <GL/glew.h> -#include <GL/glut.h> - -static float Xrot = 0.0, Yrot = 0.0, Zrot = 0.0; -static GLboolean Anim = GL_TRUE; - - -static void Idle( void ) -{ - Xrot += .3; - Yrot += .4; - Zrot += .2; - glutPostRedisplay(); -} - - -static void Display( void ) -{ - glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); - - glPushMatrix(); - glRotatef(Xrot, 1, 0, 0); - glRotatef(Yrot, 0, 1, 0); - glRotatef(Zrot, 0, 0, 1); - glutSolidTorus(0.75, 2.0, 10, 20); - glPopMatrix(); - - glutSwapBuffers(); -} - - -static void Reshape( int width, int height ) -{ - glViewport( 0, 0, width, height ); - glMatrixMode( GL_PROJECTION ); - glLoadIdentity(); - glFrustum( -2.0, 2.0, -2.0, 2.0, 5.0, 25.0 ); - glMatrixMode( GL_MODELVIEW ); - glLoadIdentity(); - glTranslatef( 0.0, 0.0, -12.0 ); -} - - -static void Key( unsigned char key, int x, int y ) -{ - (void) x; - (void) y; - switch (key) { - case ' ': - Xrot = Yrot = Zrot = 0; - break; - case 'a': - Anim = !Anim; - if (Anim) - glutIdleFunc(Idle); - else - glutIdleFunc(NULL); - break; - case 'z': - Zrot -= 5.0; - break; - case 'Z': - Zrot += 5.0; - break; - case 27: - exit(0); - break; - } - glutPostRedisplay(); -} - - -static void SpecialKey( int key, int x, int y ) -{ - const GLfloat step = 3.0; - (void) x; - (void) y; - switch (key) { - case GLUT_KEY_UP: - Xrot -= step; - break; - case GLUT_KEY_DOWN: - Xrot += step; - break; - case GLUT_KEY_LEFT: - Yrot -= step; - break; - case GLUT_KEY_RIGHT: - Yrot += step; - break; - } - glutPostRedisplay(); -} - - -static void Init( void ) -{ - /* borrowed from an nvidia demo: - * c[0..3] = modelview matrix - * c[4..7] = inverse modelview matrix - * c[32] = light pos - * c[35] = diffuse color - */ - static const char prog[] = - "!!VP1.0\n" - "#Simple transform and diffuse lighting\n" - "\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" - - "DP3 R1.x, c[4], v[NRML] ; # normal x MV-1T -> lighting normal\n" - "DP3 R1.y, c[5], v[NRML] ;\n" - "DP3 R1.z, c[6], v[NRML] ;\n" - - "DP3 R0, c[32], R1 ; # L.N\n" - "MUL o[COL0].xyz, R0, c[35] ; # col = L.N * diffuse\n" - "MOV o[TEX0], v[TEX0];\n" - "END"; - - if (!glutExtensionSupported("GL_NV_vertex_program")) { - printf("Sorry, this program requires GL_NV_vertex_program"); - exit(1); - } - - glLoadProgramNV(GL_VERTEX_PROGRAM_NV, 1, - strlen(prog), (const GLubyte *) prog); - assert(glIsProgramNV(1)); - glBindProgramNV(GL_VERTEX_PROGRAM_NV, 1); - - /* Load the program registers */ - glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 0, GL_MODELVIEW_PROJECTION_NV, GL_IDENTITY_NV); - glTrackMatrixNV(GL_VERTEX_PROGRAM_NV, 4, GL_MODELVIEW, GL_INVERSE_TRANSPOSE_NV); - - /* Light position */ - glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 32, 2, 2, 4, 1); - /* Diffuse material color */ - glProgramParameter4fNV(GL_VERTEX_PROGRAM_NV, 35, 0.25, 0, 0.25, 1); - - glEnable(GL_VERTEX_PROGRAM_NV); - glEnable(GL_DEPTH_TEST); - glClearColor(0.3, 0.3, 0.3, 1); - - printf("glGetError = %d\n", (int) glGetError()); -} - - -int main( int argc, char *argv[] ) -{ - glutInit( &argc, argv ); - glutInitWindowPosition( 0, 0 ); - glutInitWindowSize( 250, 250 ); - glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH ); - glutCreateWindow(argv[0]); - glewInit(); - glutReshapeFunc( Reshape ); - glutKeyboardFunc( Key ); - glutSpecialFunc( SpecialKey ); - glutDisplayFunc( Display ); - if (Anim) - glutIdleFunc(Idle); - Init(); - glutMainLoop(); - return 0; -} |