static void GLAPIENTRY
_save_EvalCoord2f(GLfloat u, GLfloat v)
{
GET_CURRENT_CONTEXT(ctx);
dlist_fallback(ctx);
CALL_EvalCoord2f(ctx->Save, (u, v));
}
void GLAPIENTRY _mesa_noop_EvalMesh2( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 )
{
GET_CURRENT_CONTEXT(ctx);
GLfloat u, du, v, dv, v1, u1;
GLint i, j;
switch (mode) {
case GL_POINT:
case GL_LINE:
case GL_FILL:
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh2(mode)" );
return;
}
/* No effect if vertex maps disabled.
*/
if (!ctx->Eval.Map2Vertex4 &&
!ctx->Eval.Map2Vertex3 &&
!(ctx->VertexProgram._Enabled && ctx->Eval.Map2Attrib[VERT_ATTRIB_POS]))
return;
du = ctx->Eval.MapGrid2du;
dv = ctx->Eval.MapGrid2dv;
v1 = ctx->Eval.MapGrid2v1 + j1 * dv;
u1 = ctx->Eval.MapGrid2u1 + i1 * du;
switch (mode) {
case GL_POINT:
CALL_Begin(GET_DISPATCH(), (GL_POINTS));
for (v=v1,j=j1;j<=j2;j++,v+=dv) {
for (u=u1,i=i1;i<=i2;i++,u+=du) {
CALL_EvalCoord2f(GET_DISPATCH(), (u, v));
}
}
CALL_End(GET_DISPATCH(), ());
break;
case GL_LINE:
for (v=v1,j=j1;j<=j2;j++,v+=dv) {
CALL_Begin(GET_DISPATCH(), (GL_LINE_STRIP));
for (u=u1,i=i1;i<=i2;i++,u+=du) {
CALL_EvalCoord2f(GET_DISPATCH(), (u, v));
}
CALL_End(GET_DISPATCH(), ());
}
for (u=u1,i=i1;i<=i2;i++,u+=du) {
CALL_Begin(GET_DISPATCH(), (GL_LINE_STRIP));
for (v=v1,j=j1;j<=j2;j++,v+=dv) {
CALL_EvalCoord2f(GET_DISPATCH(), (u, v));
}
CALL_End(GET_DISPATCH(), ());
}
break;
case GL_FILL:
for (v=v1,j=j1;j<j2;j++,v+=dv) {
CALL_Begin(GET_DISPATCH(), (GL_TRIANGLE_STRIP));
for (u=u1,i=i1;i<=i2;i++,u+=du) {
CALL_EvalCoord2f(GET_DISPATCH(), (u, v));
CALL_EvalCoord2f(GET_DISPATCH(), (u, v+dv));
}
CALL_End(GET_DISPATCH(), ());
}
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh2(mode)" );
return;
}
}
static void GLAPIENTRY _save_EvalCoord2f( GLfloat u, GLfloat v )
{
GET_CURRENT_CONTEXT(ctx);
DO_FALLBACK(ctx);
CALL_EvalCoord2f(ctx->Save, (u, v));
}
