static void
RenderEval(void)
{
if (colorType) {
glEnable(GL_MAP1_COLOR_4);
glEnable(GL_MAP2_COLOR_4);
} else {
glDisable(GL_MAP1_COLOR_4);
glDisable(GL_MAP2_COLOR_4);
}
if (textureType) {
glEnable(GL_TEXTURE_2D);
glEnable(GL_MAP2_TEXTURE_COORD_2);
} else {
glDisable(GL_TEXTURE_2D);
glDisable(GL_MAP2_TEXTURE_COORD_2);
}
if (polygonFilled) {
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
} else {
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
}
glShadeModel(GL_SMOOTH);
switch (mapType) {
case EVAL:
switch (arrayType) {
case ONE_D:
glDisable(GL_MAP2_VERTEX_4);
glEnable(GL_MAP1_VERTEX_4);
DrawPoints1();
DrawMapEval1(0.1 / VORDER);
break;
case TWO_D:
glDisable(GL_MAP1_VERTEX_4);
glEnable(GL_MAP2_VERTEX_4);
DrawPoints2();
DrawMapEval2(0.1 / VMAJOR_ORDER, 0.1 / VMINOR_ORDER);
break;
}
break;
case MESH:
switch (arrayType) {
case ONE_D:
DrawPoints1();
glDisable(GL_MAP2_VERTEX_4);
glEnable(GL_MAP1_VERTEX_4);
glColor3f(0.0, 0.0, 1.0);
glMapGrid1d(40, 0.0, 1.0);
if (mapPoint) {
glPointSize(2);
glEvalMesh1(GL_POINT, 0, 40);
} else {
glEvalMesh1(GL_LINE, 0, 40);
}
break;
case TWO_D:
DrawPoints2();
glDisable(GL_MAP1_VERTEX_4);
glEnable(GL_MAP2_VERTEX_4);
glColor3f(0.0, 0.0, 1.0);
glMapGrid2d(20, 0.0, 1.0, 20, 0.0, 1.0);
if (mapPoint) {
glPointSize(2);
glEvalMesh2(GL_POINT, 0, 20, 0, 20);
} else if (polygonFilled) {
glEvalMesh2(GL_FILL, 0, 20, 0, 20);
} else {
glEvalMesh2(GL_LINE, 0, 20, 0, 20);
}
break;
}
break;
}
}
static void
RenderEval(void)
{
if (colorType) {
glEnable(GL_MAP1_COLOR_4);
glEnable(GL_MAP2_COLOR_4);
} else {
glDisable(GL_MAP1_COLOR_4);
glDisable(GL_MAP2_COLOR_4);
}
if (textureType) {
glEnable(GL_TEXTURE_2D);
glEnable(GL_MAP2_TEXTURE_COORD_2);
} else {
glDisable(GL_TEXTURE_2D);
glDisable(GL_MAP2_TEXTURE_COORD_2);
}
if (polygonFilled) {
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
} else {
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
}
glShadeModel(GL_SMOOTH);
switch (mapType) {
case EVAL:
switch (arrayType) {
case ONE_D:
glDisable(GL_MAP2_VERTEX_4);
glEnable(GL_MAP1_VERTEX_4);
DrawPoints1();
DrawMapEval1(0.1 / VORDER);
break;
case TWO_D:
glDisable(GL_MAP1_VERTEX_4);
glEnable(GL_MAP2_VERTEX_4);
DrawPoints2();
DrawMapEval2(0.1 / VMAJOR_ORDER, 0.1 / VMINOR_ORDER);
break;
}
break;
case MESH:
switch (arrayType) {
case ONE_D:
DrawPoints1();
glDisable(GL_MAP2_VERTEX_4);
glEnable(GL_MAP1_VERTEX_4);
glColor3f(0.0, 0.0, 1.0);
glMapGrid1d(40, 0.0, 1.0);
if (mapPoint) {
glPointSize(2);
glEvalMesh1(GL_POINT, 0, 40);
} else {
glEvalMesh1(GL_LINE, 0, 40);
}
break;
case TWO_D:
DrawPoints2();
glDisable(GL_MAP1_VERTEX_4);
glEnable(GL_MAP2_VERTEX_4);
glColor3f(0.0, 0.0, 1.0);
glMapGrid2d(20, 0.0, 1.0, 20, 0.0, 1.0);
if (mapPoint) {
glPointSize(2);
glEvalMesh2(GL_POINT, 0, 20, 0, 20);
} else if (polygonFilled) {
glEvalMesh2(GL_FILL, 0, 20, 0, 20);
} else {
glEvalMesh2(GL_LINE, 0, 20, 0, 20);
}
break;
default:;
/* Mesa makes GLenum be a C "enum" and gcc will warn if
all the cases of an enum are not tested in a switch
statement. Add default case to supress the error. */
}
break;
}
}
