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- /* $Id: vector.c,v 1.6 1999/11/08 07:36:45 brianp Exp $ */
-
- /*
- * Mesa 3-D graphics library
- * Version: 3.1
- *
- * Copyright (C) 1999 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.
- */
-
-
- #ifndef XFree86Server
- #include <stdlib.h>
- #include <stdio.h>
- #else
- #include "GL/xf86glx.h"
- #endif
- #include "config.h"
- #include "macros.h"
- #include "vector.h"
-
- static const GLubyte elem_bits[4] = {
- VEC_DIRTY_0,
- VEC_DIRTY_1,
- VEC_DIRTY_2,
- VEC_DIRTY_3
- };
-
- void gl_vector4f_clean_elem( GLvector4f *vec, GLuint count, GLuint elt )
- {
- static GLfloat clean[4] = { 0, 0, 0, 1 };
- GLfloat v = clean[elt];
- GLfloat (*data)[4] = (GLfloat (*)[4])vec->start;
- GLuint i;
-
- for (i = 0 ; i < count ; i++)
- data[i][elt] = v;
-
- vec->flags &= ~elem_bits[elt];
- }
-
- static const GLubyte size_bits[5] = {
- 0,
- VEC_SIZE_1,
- VEC_SIZE_2,
- VEC_SIZE_3,
- VEC_SIZE_4,
- };
-
- void gl_vector4f_init( GLvector4f *v, GLuint flags, GLfloat (*storage)[4] )
- {
- v->stride = 4*sizeof(GLfloat);
- v->size = 2;
- v->data = storage;
- v->start = (GLfloat *)storage;
- v->count = 0;
- v->flags = size_bits[4] | flags | VEC_GOOD_STRIDE;
- }
-
-
- void gl_vector3f_init( GLvector3f *v, GLuint flags, GLfloat (*storage)[3] )
- {
- v->stride = 3*sizeof(GLfloat);
- v->data = storage;
- v->start = (GLfloat *)storage;
- v->count = 0;
- v->flags = flags | VEC_GOOD_STRIDE;
- }
-
- void gl_vector4ub_init( GLvector4ub *v, GLuint flags, GLubyte (*storage)[4] )
- {
- v->stride = 4*sizeof(GLubyte);
- v->data = storage;
- v->start = (GLubyte *)storage;
- v->count = 0;
- v->flags = flags | VEC_GOOD_STRIDE;
- }
-
- void gl_vector1ub_init( GLvector1ub *v, GLuint flags, GLubyte *storage )
- {
- v->stride = 1*sizeof(GLubyte);
- v->data = storage;
- v->start = (GLubyte *)storage;
- v->count = 0;
- v->flags = flags | VEC_GOOD_STRIDE;
- }
-
- void gl_vector1ui_init( GLvector1ui *v, GLuint flags, GLuint *storage )
- {
- v->stride = 1*sizeof(GLuint);
- v->data = storage;
- v->start = (GLuint *)storage;
- v->count = 0;
- v->flags = flags | VEC_GOOD_STRIDE;
- }
-
-
- #define ALIGN_MALLOC(vec, type, bytes, alignment) \
- do { \
- vec->storage = MALLOC( bytes + alignment - 1 ); \
- vec->start = type (((unsigned long)vec->storage + alignment - 1) \
- & ~(unsigned long)(alignment - 1)); \
- } while (0)
-
-
- void gl_vector4f_alloc( GLvector4f *v, GLuint sz, GLuint flags, GLuint count,
- GLuint alignment )
- {
- (void) sz;
- v->stride = 4*sizeof(GLfloat);
- v->size = 2;
- ALIGN_MALLOC(v, (GLfloat *), count * 4 * sizeof(GLfloat), alignment);
- v->data = (GLfloat (*)[4])v->start;
- v->count = 0;
- v->flags = size_bits[4] | flags | VEC_MALLOC | VEC_GOOD_STRIDE;
- }
-
-
- void gl_vector3f_alloc( GLvector3f *v, GLuint flags, GLuint count,
- GLuint alignment )
- {
- v->stride = 3*sizeof(GLfloat);
- ALIGN_MALLOC(v, (GLfloat *), count * 3 * sizeof(GLfloat), alignment);
- v->data = (GLfloat (*)[3])v->start;
- v->count = 0;
- v->flags = flags | VEC_MALLOC | VEC_GOOD_STRIDE;
- }
-
- void gl_vector4ub_alloc( GLvector4ub *v, GLuint flags, GLuint count,
- GLuint alignment )
- {
- v->stride = 4*sizeof(GLubyte);
- ALIGN_MALLOC(v, (GLubyte *), count * 4 * sizeof(GLubyte), alignment);
- v->data = (GLubyte (*)[4])v->start;
- v->count = 0;
- v->flags = flags | VEC_MALLOC | VEC_GOOD_STRIDE;
- }
-
- void gl_vector1ub_alloc( GLvector1ub *v, GLuint flags, GLuint count,
- GLuint alignment )
- {
- v->stride = 1*sizeof(GLubyte);
- ALIGN_MALLOC(v, (GLubyte *), count * sizeof(GLubyte), alignment);
- v->data = v->start;
- v->count = 0;
- v->flags = flags | VEC_MALLOC | VEC_GOOD_STRIDE;
- }
-
- void gl_vector1ui_alloc( GLvector1ui *v, GLuint flags, GLuint count,
- GLuint alignment )
- {
- v->stride = 1*sizeof(GLuint);
- ALIGN_MALLOC(v, (GLuint *), count * sizeof(GLuint), alignment);
- v->data = v->start;
- v->count = 0;
- v->flags = flags | VEC_MALLOC | VEC_GOOD_STRIDE;
- }
-
-
-
- void gl_vector4f_free( GLvector4f *v )
- {
- if (v->flags & VEC_MALLOC) {
- FREE( v->storage );
- v->data = 0;
- v->start = 0;
- v->storage = 0;
- v->flags &= ~VEC_MALLOC;
- }
- }
-
- void gl_vector3f_free( GLvector3f *v )
- {
- if (v->flags & VEC_MALLOC) {
- FREE( v->storage );
- v->data = 0;
- v->start = 0;
- v->storage = 0;
- v->flags &= ~VEC_MALLOC;
- }
- }
-
- void gl_vector4ub_free( GLvector4ub *v )
- {
- if (v->flags & VEC_MALLOC) {
- FREE( v->storage );
- v->data = 0;
- v->start = 0;
- v->storage = 0;
- v->flags &= ~VEC_MALLOC;
- }
- }
-
- void gl_vector1ub_free( GLvector1ub *v )
- {
- if (v->flags & VEC_MALLOC) {
- FREE( v->storage );
- v->data = 0;
- v->start = 0;
- v->storage = 0;
- v->flags &= ~VEC_MALLOC;
- }
- }
-
- void gl_vector1ui_free( GLvector1ui *v )
- {
- if (v->flags & VEC_MALLOC) {
- FREE( v->storage );
- v->data = 0;
- v->start = 0;
- v->storage = 0;
- v->flags &= ~VEC_MALLOC;
- }
- }
-
- void gl_vector4f_print( GLvector4f *v, GLubyte *cullmask, GLboolean culling )
- {
- GLfloat c[4] = { 0, 0, 0, 1 };
- const char *templates[5] = {
- "%d:\t0, 0, 0, 1\n",
- "%d:\t%f, 0, 0, 1\n",
- "%d:\t%f, %f, 0, 1\n",
- "%d:\t%f, %f, %f, 1\n",
- "%d:\t%f, %f, %f, %f\n"
- };
-
- const char *t = templates[v->size];
- GLfloat *d = (GLfloat *)v->data;
- GLuint j, i = 0, count;
-
- printf("data-start\n");
- for ( ; d != v->start ; STRIDE_F(d, v->stride), i++)
- printf( t, i, d[0], d[1], d[2], d[3]);
-
- printf("start-count(%u)\n", v->count);
- count = i + v->count;
-
- if (culling) {
- for ( ; i < count ; STRIDE_F(d, v->stride), i++)
- if (cullmask[i])
- printf( t, i, d[0], d[1], d[2], d[3]);
- } else {
- for ( ; i < count ; STRIDE_F(d, v->stride), i++)
- printf( t, i, d[0], d[1], d[2], d[3]);
- }
-
- for (j = v->size ; j < 4; j++) {
- if ((v->flags & (1<<j)) == 0) {
-
- printf("checking col %u is clean as advertised ", j);
-
- for (i = 0, d = (GLfloat *) v->data ;
- i < count && d[j] == c[j] ;
- i++, STRIDE_F(d, v->stride)) {};
-
- if (i == count)
- printf(" --> ok\n");
- else
- printf(" --> Failed at %u ******\n", i);
- }
- }
- }
-
-
- void gl_vector3f_print( GLvector3f *v, GLubyte *cullmask, GLboolean culling )
- {
- GLfloat *d = (GLfloat *)v->data;
- GLuint i = 0, count;
-
- printf("data-start\n");
- for ( ; d != v->start ; STRIDE_F(d,v->stride), i++)
- printf( "%u:\t%f, %f, %f\n", i, d[0], d[1], d[2]);
-
- printf("start-count(%u)\n", v->count);
- count = i + v->count;
-
- if (culling) {
- for ( ; i < count ; STRIDE_F(d,v->stride), i++)
- if (cullmask[i])
- printf( "%u:\t%f, %f, %f\n", i, d[0], d[1], d[2]);
- } else {
- for ( ; i < count ; STRIDE_F(d,v->stride), i++)
- printf( "%u:\t%f, %f, %f\n", i, d[0], d[1], d[2]);
- }
- }
-