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-
- /* Copyright (c) Mark J. Kilgard, 1998. */
-
- /* This program is freely distributable without licensing fees
- and is provided without guarantee or warrantee expressed or
- implied. This program is -not- in the public domain. */
-
- #include <GL/glsmap.h>
-
- #include "glsmapint.h"
-
- void
- __smapDrawSphereMapMeshSide(SphereMapMesh *mesh, int side)
- {
- INITFACE(mesh);
- int i, j;
-
- for (i=0; i<mesh->steps-1; i++) {
- glBegin(GL_QUAD_STRIP);
- for (j=0; j<mesh->steps; j++) {
- glTexCoord2fv (FACEst(side,i,j));
- glVertex2fv (FACExy(side,i,j));
- glTexCoord2fv (FACEst(side,i+1,j));
- glVertex2fv (FACExy(side,i+1,j));
- }
- glEnd();
- }
- }
-
- /* Back face specially rendered for its singularity! */
- void
- __smapDrawSphereMapMeshBack(SphereMapMesh *mesh)
- {
- INITBACK(mesh);
- int side, i, j;
-
- for (side=0; side<4; side++) {
- for (j=0; j<mesh->rings-1+mesh->edgeExtend; j++) {
- glBegin(GL_QUAD_STRIP);
- for (i=0; i<mesh->steps; i++) {
- glTexCoord2fv (BACKst(side,j,i));
- glVertex2fv (BACKxy(side,j,i));
- glTexCoord2fv (BACKst(side,j+1,i));
- glVertex2fv (BACKxy(side,j+1,i));
- }
- glEnd();
- }
- }
- }
-
-