mirror of
https://github.com/reactos/reactos.git
synced 2025-08-06 20:13:04 +00:00
* Sync up to trunk head (r60691).
svn path=/branches/ntvdm/; revision=60692
This commit is contained in:
Amine Khaldi
commit
25445ea35f
5851 changed files with 218087 additions and 724119 deletions
390
dll/opengl/mesa/math/m_norm_tmp.h
Normal file
390
dll/opengl/mesa/math/m_norm_tmp.h
Normal file
|
|
@ -0,0 +1,390 @@
|
|||
|
||||
/*
|
||||
* Mesa 3-D graphics library
|
||||
* Version: 5.1
|
||||
*
|
||||
* Copyright (C) 1999-2003 Brian Paul 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 and this permission notice 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
|
||||
* BRIAN PAUL 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* New (3.1) transformation code written by Keith Whitwell.
|
||||
*/
|
||||
|
||||
/* Functions to tranform a vector of normals. This includes applying
|
||||
* the transformation matrix, rescaling and normalization.
|
||||
*/
|
||||
|
||||
/*
|
||||
* mat - the 4x4 transformation matrix
|
||||
* scale - uniform scale factor of the transformation matrix (not always used)
|
||||
* in - the source vector of normals
|
||||
* lengths - length of each incoming normal (may be NULL) (a display list
|
||||
* optimization)
|
||||
* dest - the destination vector of normals
|
||||
*/
|
||||
static void _XFORMAPI
|
||||
TAG(transform_normalize_normals)( const GLmatrix *mat,
|
||||
GLfloat scale,
|
||||
const GLvector4f *in,
|
||||
const GLfloat *lengths,
|
||||
GLvector4f *dest )
|
||||
{
|
||||
GLfloat (*out)[4] = (GLfloat (*)[4])dest->start;
|
||||
const GLfloat *from = in->start;
|
||||
const GLuint stride = in->stride;
|
||||
const GLuint count = in->count;
|
||||
const GLfloat *m = mat->inv;
|
||||
GLfloat m0 = m[0], m4 = m[4], m8 = m[8];
|
||||
GLfloat m1 = m[1], m5 = m[5], m9 = m[9];
|
||||
GLfloat m2 = m[2], m6 = m[6], m10 = m[10];
|
||||
GLuint i;
|
||||
|
||||
if (!lengths) {
|
||||
STRIDE_LOOP {
|
||||
GLfloat tx, ty, tz;
|
||||
{
|
||||
const GLfloat ux = from[0], uy = from[1], uz = from[2];
|
||||
tx = ux * m0 + uy * m1 + uz * m2;
|
||||
ty = ux * m4 + uy * m5 + uz * m6;
|
||||
tz = ux * m8 + uy * m9 + uz * m10;
|
||||
}
|
||||
{
|
||||
GLdouble len = tx*tx + ty*ty + tz*tz;
|
||||
if (len > 1e-20) {
|
||||
GLfloat scale = INV_SQRTF(len);
|
||||
out[i][0] = tx * scale;
|
||||
out[i][1] = ty * scale;
|
||||
out[i][2] = tz * scale;
|
||||
}
|
||||
else {
|
||||
out[i][0] = out[i][1] = out[i][2] = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else {
|
||||
if (scale != 1.0) {
|
||||
m0 *= scale, m4 *= scale, m8 *= scale;
|
||||
m1 *= scale, m5 *= scale, m9 *= scale;
|
||||
m2 *= scale, m6 *= scale, m10 *= scale;
|
||||
}
|
||||
|
||||
STRIDE_LOOP {
|
||||
GLfloat tx, ty, tz;
|
||||
{
|
||||
const GLfloat ux = from[0], uy = from[1], uz = from[2];
|
||||
tx = ux * m0 + uy * m1 + uz * m2;
|
||||
ty = ux * m4 + uy * m5 + uz * m6;
|
||||
tz = ux * m8 + uy * m9 + uz * m10;
|
||||
}
|
||||
{
|
||||
GLfloat len = lengths[i];
|
||||
out[i][0] = tx * len;
|
||||
out[i][1] = ty * len;
|
||||
out[i][2] = tz * len;
|
||||
}
|
||||
}
|
||||
}
|
||||
dest->count = in->count;
|
||||
}
|
||||
|
||||
|
||||
static void _XFORMAPI
|
||||
TAG(transform_normalize_normals_no_rot)( const GLmatrix *mat,
|
||||
GLfloat scale,
|
||||
const GLvector4f *in,
|
||||
const GLfloat *lengths,
|
||||
GLvector4f *dest )
|
||||
{
|
||||
GLfloat (*out)[4] = (GLfloat (*)[4])dest->start;
|
||||
const GLfloat *from = in->start;
|
||||
const GLuint stride = in->stride;
|
||||
const GLuint count = in->count;
|
||||
const GLfloat *m = mat->inv;
|
||||
GLfloat m0 = m[0];
|
||||
GLfloat m5 = m[5];
|
||||
GLfloat m10 = m[10];
|
||||
GLuint i;
|
||||
|
||||
if (!lengths) {
|
||||
STRIDE_LOOP {
|
||||
GLfloat tx, ty, tz;
|
||||
{
|
||||
const GLfloat ux = from[0], uy = from[1], uz = from[2];
|
||||
tx = ux * m0 ;
|
||||
ty = uy * m5 ;
|
||||
tz = uz * m10;
|
||||
}
|
||||
{
|
||||
GLdouble len = tx*tx + ty*ty + tz*tz;
|
||||
if (len > 1e-20) {
|
||||
GLfloat scale = INV_SQRTF(len);
|
||||
out[i][0] = tx * scale;
|
||||
out[i][1] = ty * scale;
|
||||
out[i][2] = tz * scale;
|
||||
}
|
||||
else {
|
||||
out[i][0] = out[i][1] = out[i][2] = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else {
|
||||
m0 *= scale;
|
||||
m5 *= scale;
|
||||
m10 *= scale;
|
||||
|
||||
STRIDE_LOOP {
|
||||
GLfloat tx, ty, tz;
|
||||
{
|
||||
const GLfloat ux = from[0], uy = from[1], uz = from[2];
|
||||
tx = ux * m0 ;
|
||||
ty = uy * m5 ;
|
||||
tz = uz * m10;
|
||||
}
|
||||
{
|
||||
GLfloat len = lengths[i];
|
||||
out[i][0] = tx * len;
|
||||
out[i][1] = ty * len;
|
||||
out[i][2] = tz * len;
|
||||
}
|
||||
}
|
||||
}
|
||||
dest->count = in->count;
|
||||
}
|
||||
|
||||
|
||||
static void _XFORMAPI
|
||||
TAG(transform_rescale_normals_no_rot)( const GLmatrix *mat,
|
||||
GLfloat scale,
|
||||
const GLvector4f *in,
|
||||
const GLfloat *lengths,
|
||||
GLvector4f *dest )
|
||||
{
|
||||
GLfloat (*out)[4] = (GLfloat (*)[4])dest->start;
|
||||
const GLfloat *from = in->start;
|
||||
const GLuint stride = in->stride;
|
||||
const GLuint count = in->count;
|
||||
const GLfloat *m = mat->inv;
|
||||
const GLfloat m0 = scale*m[0];
|
||||
const GLfloat m5 = scale*m[5];
|
||||
const GLfloat m10 = scale*m[10];
|
||||
GLuint i;
|
||||
|
||||
(void) lengths;
|
||||
|
||||
STRIDE_LOOP {
|
||||
GLfloat ux = from[0], uy = from[1], uz = from[2];
|
||||
out[i][0] = ux * m0;
|
||||
out[i][1] = uy * m5;
|
||||
out[i][2] = uz * m10;
|
||||
}
|
||||
dest->count = in->count;
|
||||
}
|
||||
|
||||
|
||||
static void _XFORMAPI
|
||||
TAG(transform_rescale_normals)( const GLmatrix *mat,
|
||||
GLfloat scale,
|
||||
const GLvector4f *in,
|
||||
const GLfloat *lengths,
|
||||
GLvector4f *dest )
|
||||
{
|
||||
GLfloat (*out)[4] = (GLfloat (*)[4])dest->start;
|
||||
const GLfloat *from = in->start;
|
||||
const GLuint stride = in->stride;
|
||||
const GLuint count = in->count;
|
||||
/* Since we are unlikely to have < 3 vertices in the buffer,
|
||||
* it makes sense to pre-multiply by scale.
|
||||
*/
|
||||
const GLfloat *m = mat->inv;
|
||||
const GLfloat m0 = scale*m[0], m4 = scale*m[4], m8 = scale*m[8];
|
||||
const GLfloat m1 = scale*m[1], m5 = scale*m[5], m9 = scale*m[9];
|
||||
const GLfloat m2 = scale*m[2], m6 = scale*m[6], m10 = scale*m[10];
|
||||
GLuint i;
|
||||
|
||||
(void) lengths;
|
||||
|
||||
STRIDE_LOOP {
|
||||
GLfloat ux = from[0], uy = from[1], uz = from[2];
|
||||
out[i][0] = ux * m0 + uy * m1 + uz * m2;
|
||||
out[i][1] = ux * m4 + uy * m5 + uz * m6;
|
||||
out[i][2] = ux * m8 + uy * m9 + uz * m10;
|
||||
}
|
||||
dest->count = in->count;
|
||||
}
|
||||
|
||||
|
||||
static void _XFORMAPI
|
||||
TAG(transform_normals_no_rot)( const GLmatrix *mat,
|
||||
GLfloat scale,
|
||||
const GLvector4f *in,
|
||||
const GLfloat *lengths,
|
||||
GLvector4f *dest )
|
||||
{
|
||||
GLfloat (*out)[4] = (GLfloat (*)[4])dest->start;
|
||||
const GLfloat *from = in->start;
|
||||
const GLuint stride = in->stride;
|
||||
const GLuint count = in->count;
|
||||
const GLfloat *m = mat->inv;
|
||||
const GLfloat m0 = m[0];
|
||||
const GLfloat m5 = m[5];
|
||||
const GLfloat m10 = m[10];
|
||||
GLuint i;
|
||||
|
||||
(void) scale;
|
||||
(void) lengths;
|
||||
|
||||
STRIDE_LOOP {
|
||||
GLfloat ux = from[0], uy = from[1], uz = from[2];
|
||||
out[i][0] = ux * m0;
|
||||
out[i][1] = uy * m5;
|
||||
out[i][2] = uz * m10;
|
||||
}
|
||||
dest->count = in->count;
|
||||
}
|
||||
|
||||
|
||||
static void _XFORMAPI
|
||||
TAG(transform_normals)( const GLmatrix *mat,
|
||||
GLfloat scale,
|
||||
const GLvector4f *in,
|
||||
const GLfloat *lengths,
|
||||
GLvector4f *dest )
|
||||
{
|
||||
GLfloat (*out)[4] = (GLfloat (*)[4])dest->start;
|
||||
const GLfloat *from = in->start;
|
||||
const GLuint stride = in->stride;
|
||||
const GLuint count = in->count;
|
||||
const GLfloat *m = mat->inv;
|
||||
const GLfloat m0 = m[0], m4 = m[4], m8 = m[8];
|
||||
const GLfloat m1 = m[1], m5 = m[5], m9 = m[9];
|
||||
const GLfloat m2 = m[2], m6 = m[6], m10 = m[10];
|
||||
GLuint i;
|
||||
|
||||
(void) scale;
|
||||
(void) lengths;
|
||||
|
||||
STRIDE_LOOP {
|
||||
GLfloat ux = from[0], uy = from[1], uz = from[2];
|
||||
out[i][0] = ux * m0 + uy * m1 + uz * m2;
|
||||
out[i][1] = ux * m4 + uy * m5 + uz * m6;
|
||||
out[i][2] = ux * m8 + uy * m9 + uz * m10;
|
||||
}
|
||||
dest->count = in->count;
|
||||
}
|
||||
|
||||
|
||||
static void _XFORMAPI
|
||||
TAG(normalize_normals)( const GLmatrix *mat,
|
||||
GLfloat scale,
|
||||
const GLvector4f *in,
|
||||
const GLfloat *lengths,
|
||||
GLvector4f *dest )
|
||||
{
|
||||
GLfloat (*out)[4] = (GLfloat (*)[4])dest->start;
|
||||
const GLfloat *from = in->start;
|
||||
const GLuint stride = in->stride;
|
||||
const GLuint count = in->count;
|
||||
GLuint i;
|
||||
|
||||
(void) mat;
|
||||
(void) scale;
|
||||
|
||||
if (lengths) {
|
||||
STRIDE_LOOP {
|
||||
const GLfloat x = from[0], y = from[1], z = from[2];
|
||||
GLfloat invlen = lengths[i];
|
||||
out[i][0] = x * invlen;
|
||||
out[i][1] = y * invlen;
|
||||
out[i][2] = z * invlen;
|
||||
}
|
||||
}
|
||||
else {
|
||||
STRIDE_LOOP {
|
||||
const GLfloat x = from[0], y = from[1], z = from[2];
|
||||
GLdouble len = x * x + y * y + z * z;
|
||||
if (len > 1e-50) {
|
||||
len = INV_SQRTF(len);
|
||||
out[i][0] = (GLfloat)(x * len);
|
||||
out[i][1] = (GLfloat)(y * len);
|
||||
out[i][2] = (GLfloat)(z * len);
|
||||
}
|
||||
else {
|
||||
out[i][0] = x;
|
||||
out[i][1] = y;
|
||||
out[i][2] = z;
|
||||
}
|
||||
}
|
||||
}
|
||||
dest->count = in->count;
|
||||
}
|
||||
|
||||
|
||||
static void _XFORMAPI
|
||||
TAG(rescale_normals)( const GLmatrix *mat,
|
||||
GLfloat scale,
|
||||
const GLvector4f *in,
|
||||
const GLfloat *lengths,
|
||||
GLvector4f *dest )
|
||||
{
|
||||
GLfloat (*out)[4] = (GLfloat (*)[4])dest->start;
|
||||
const GLfloat *from = in->start;
|
||||
const GLuint stride = in->stride;
|
||||
const GLuint count = in->count;
|
||||
GLuint i;
|
||||
|
||||
(void) mat;
|
||||
(void) lengths;
|
||||
|
||||
STRIDE_LOOP {
|
||||
SCALE_SCALAR_3V( out[i], scale, from );
|
||||
}
|
||||
dest->count = in->count;
|
||||
}
|
||||
|
||||
|
||||
static void _XFORMAPI
|
||||
TAG(init_c_norm_transform)( void )
|
||||
{
|
||||
_mesa_normal_tab[NORM_TRANSFORM_NO_ROT] =
|
||||
TAG(transform_normals_no_rot);
|
||||
|
||||
_mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_RESCALE] =
|
||||
TAG(transform_rescale_normals_no_rot);
|
||||
|
||||
_mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_NORMALIZE] =
|
||||
TAG(transform_normalize_normals_no_rot);
|
||||
|
||||
_mesa_normal_tab[NORM_TRANSFORM] =
|
||||
TAG(transform_normals);
|
||||
|
||||
_mesa_normal_tab[NORM_TRANSFORM | NORM_RESCALE] =
|
||||
TAG(transform_rescale_normals);
|
||||
|
||||
_mesa_normal_tab[NORM_TRANSFORM | NORM_NORMALIZE] =
|
||||
TAG(transform_normalize_normals);
|
||||
|
||||
_mesa_normal_tab[NORM_RESCALE] =
|
||||
TAG(rescale_normals);
|
||||
|
||||
_mesa_normal_tab[NORM_NORMALIZE] =
|
||||
TAG(normalize_normals);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue