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/* -*- mode: c; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 3; coding: utf-8-unix -*- */
/*
* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice including the dates of first publication and
* either this permission notice or a reference to
* http://oss.sgi.com/projects/FreeB/
* shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of Silicon Graphics, Inc.
* shall not be used in advertising or otherwise to promote the sale, use or
* other dealings in this Software without prior written authorization from
* Silicon Graphics, Inc.
*/
#include "packrender.h"
/*
** Routines to pack evaluator maps into the transport buffer. Maps are
** allowed to have extra arbitrary data, so these routines extract just
** the information that the GL needs.
*/
void __glFillMap1f(GLint k, GLint order, GLint stride,
const GLfloat *points, GLubyte *pc)
{
if (stride == k) {
/* Just copy the data */
__GLX_PUT_FLOAT_ARRAY(0, points, order * k);
} else {
GLint i;
for (i = 0; i < order; i++) {
__GLX_PUT_FLOAT_ARRAY(0, points, k);
points += stride;
pc += k * __GLX_SIZE_FLOAT32;
}
}
}
void __glFillMap1d(GLint k, GLint order, GLint stride,
const GLdouble *points, GLubyte *pc)
{
if (stride == k) {
/* Just copy the data */
__GLX_PUT_DOUBLE_ARRAY(0, points, order * k);
} else {
GLint i;
for (i = 0; i < order; i++) {
__GLX_PUT_DOUBLE_ARRAY(0, points, k);
points += stride;
pc += k * __GLX_SIZE_FLOAT64;
}
}
}
void __glFillMap2f(GLint k, GLint majorOrder, GLint minorOrder,
GLint majorStride, GLint minorStride,
const GLfloat *points, GLfloat *data)
{
GLint i, j, x;
if ((minorStride == k) && (majorStride == minorOrder*k)) {
/* Just copy the data */
__GLX_MEM_COPY(data, points, majorOrder * majorStride *
__GLX_SIZE_FLOAT32);
return;
}
for (i = 0; i < majorOrder; i++) {
for (j = 0; j < minorOrder; j++) {
for (x = 0; x < k; x++) {
data[x] = points[x];
}
points += minorStride;
data += k;
}
points += majorStride - minorStride * minorOrder;
}
}
void __glFillMap2d(GLint k, GLint majorOrder, GLint minorOrder,
GLint majorStride, GLint minorStride,
const GLdouble *points, GLdouble *data)
{
int i,j,x;
if ((minorStride == k) && (majorStride == minorOrder*k)) {
/* Just copy the data */
__GLX_MEM_COPY(data, points, majorOrder * majorStride *
__GLX_SIZE_FLOAT64);
return;
}
#ifdef __GLX_ALIGN64
x = k * __GLX_SIZE_FLOAT64;
#endif
for (i = 0; i<majorOrder; i++) {
for (j = 0; j<minorOrder; j++) {
#ifdef __GLX_ALIGN64
__GLX_MEM_COPY(data, points, x);
#else
for (x = 0; x<k; x++) {
data[x] = points[x];
}
#endif
points += minorStride;
data += k;
}
points += majorStride - minorStride * minorOrder;
}
}
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