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author | marha <marha@users.sourceforge.net> | 2010-12-28 16:10:20 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2010-12-28 16:10:20 +0000 |
commit | 807c6931fe683fd844ceec1b023232181e6aae03 (patch) | |
tree | 1a131ed95fe2200d0ad33da8f7755a7ed2364adc /mesalib/src/mesa/math/m_vector.c | |
parent | 973099dda7e49e5abe29819a7124b3b1e7bd8b92 (diff) | |
download | vcxsrv-807c6931fe683fd844ceec1b023232181e6aae03.tar.gz vcxsrv-807c6931fe683fd844ceec1b023232181e6aae03.tar.bz2 vcxsrv-807c6931fe683fd844ceec1b023232181e6aae03.zip |
xserver and mesa git update 28-12-2010
Diffstat (limited to 'mesalib/src/mesa/math/m_vector.c')
-rw-r--r-- | mesalib/src/mesa/math/m_vector.c | 369 |
1 files changed, 184 insertions, 185 deletions
diff --git a/mesalib/src/mesa/math/m_vector.c b/mesalib/src/mesa/math/m_vector.c index fbd63fd92..7ca08f4c0 100644 --- a/mesalib/src/mesa/math/m_vector.c +++ b/mesalib/src/mesa/math/m_vector.c @@ -1,185 +1,184 @@ -/* - * Mesa 3-D graphics library - * Version: 3.5 - * - * Copyright (C) 1999-2001 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. - */ - - -#include "main/glheader.h" -#include "main/imports.h" -#include "main/macros.h" -#include "main/imports.h" - -#include "m_vector.h" - - - -/** - * Given a vector [count][4] of floats, set all the [][elt] values - * to 0 (if elt = 0, 1, 2) or 1.0 (if elt = 3). - */ -void -_mesa_vector4f_clean_elem( GLvector4f *vec, GLuint count, GLuint elt ) -{ - static const GLubyte elem_bits[4] = { - VEC_DIRTY_0, - VEC_DIRTY_1, - VEC_DIRTY_2, - VEC_DIRTY_3 - }; - static const GLfloat clean[4] = { 0, 0, 0, 1 }; - const 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, -}; - - -/** - * Initialize GLvector objects. - * \param v the vector object to initialize. - * \param flags bitwise-OR of VEC_* flags - * \param storage pointer to storage for the vector's data - */ -void -_mesa_vector4f_init( GLvector4f *v, GLbitfield flags, GLfloat (*storage)[4] ) -{ - v->stride = 4 * sizeof(GLfloat); - v->size = 2; /* may change: 2-4 for vertices and 1-4 for texcoords */ - v->data = storage; - v->start = (GLfloat *) storage; - v->count = 0; - v->flags = size_bits[4] | flags; -} - - -/** - * Initialize GLvector objects and allocate storage. - * \param v the vector object - * \param flags bitwise-OR of VEC_* flags - * \param count number of elements to allocate in vector - * \param alignment desired memory alignment for the data (in bytes) - */ -void -_mesa_vector4f_alloc( GLvector4f *v, GLbitfield flags, GLuint count, - GLuint alignment ) -{ - v->stride = 4 * sizeof(GLfloat); - v->size = 2; - v->storage = _mesa_align_malloc( count * 4 * sizeof(GLfloat), alignment ); - v->storage_count = count; - v->start = (GLfloat *) v->storage; - v->data = (GLfloat (*)[4]) v->storage; - v->count = 0; - v->flags = size_bits[4] | flags | VEC_MALLOC; -} - - -/** - * Vector deallocation. Free whatever memory is pointed to by the - * vector's storage field if the VEC_MALLOC flag is set. - * DO NOT free the GLvector object itself, though. - */ -void -_mesa_vector4f_free( GLvector4f *v ) -{ - if (v->flags & VEC_MALLOC) { - _mesa_align_free( v->storage ); - v->data = NULL; - v->start = NULL; - v->storage = NULL; - v->flags &= ~VEC_MALLOC; - } -} - - -/** - * For debugging - */ -void -_mesa_vector4f_print( const GLvector4f *v, const GLubyte *cullmask, - GLboolean culling ) -{ - static const GLfloat c[4] = { 0, 0, 0, 1 }; - static 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)) { - /* no-op */ - } - - if (i == count) - printf(" --> ok\n"); - else - printf(" --> Failed at %u ******\n", i); - } - } -} +/*
+ * Mesa 3-D graphics library
+ * Version: 3.5
+ *
+ * Copyright (C) 1999-2001 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.
+ */
+
+
+#include "main/glheader.h"
+#include "main/imports.h"
+#include "main/macros.h"
+
+#include "m_vector.h"
+
+
+
+/**
+ * Given a vector [count][4] of floats, set all the [][elt] values
+ * to 0 (if elt = 0, 1, 2) or 1.0 (if elt = 3).
+ */
+void
+_mesa_vector4f_clean_elem( GLvector4f *vec, GLuint count, GLuint elt )
+{
+ static const GLubyte elem_bits[4] = {
+ VEC_DIRTY_0,
+ VEC_DIRTY_1,
+ VEC_DIRTY_2,
+ VEC_DIRTY_3
+ };
+ static const GLfloat clean[4] = { 0, 0, 0, 1 };
+ const 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,
+};
+
+
+/**
+ * Initialize GLvector objects.
+ * \param v the vector object to initialize.
+ * \param flags bitwise-OR of VEC_* flags
+ * \param storage pointer to storage for the vector's data
+ */
+void
+_mesa_vector4f_init( GLvector4f *v, GLbitfield flags, GLfloat (*storage)[4] )
+{
+ v->stride = 4 * sizeof(GLfloat);
+ v->size = 2; /* may change: 2-4 for vertices and 1-4 for texcoords */
+ v->data = storage;
+ v->start = (GLfloat *) storage;
+ v->count = 0;
+ v->flags = size_bits[4] | flags;
+}
+
+
+/**
+ * Initialize GLvector objects and allocate storage.
+ * \param v the vector object
+ * \param flags bitwise-OR of VEC_* flags
+ * \param count number of elements to allocate in vector
+ * \param alignment desired memory alignment for the data (in bytes)
+ */
+void
+_mesa_vector4f_alloc( GLvector4f *v, GLbitfield flags, GLuint count,
+ GLuint alignment )
+{
+ v->stride = 4 * sizeof(GLfloat);
+ v->size = 2;
+ v->storage = _mesa_align_malloc( count * 4 * sizeof(GLfloat), alignment );
+ v->storage_count = count;
+ v->start = (GLfloat *) v->storage;
+ v->data = (GLfloat (*)[4]) v->storage;
+ v->count = 0;
+ v->flags = size_bits[4] | flags | VEC_MALLOC;
+}
+
+
+/**
+ * Vector deallocation. Free whatever memory is pointed to by the
+ * vector's storage field if the VEC_MALLOC flag is set.
+ * DO NOT free the GLvector object itself, though.
+ */
+void
+_mesa_vector4f_free( GLvector4f *v )
+{
+ if (v->flags & VEC_MALLOC) {
+ _mesa_align_free( v->storage );
+ v->data = NULL;
+ v->start = NULL;
+ v->storage = NULL;
+ v->flags &= ~VEC_MALLOC;
+ }
+}
+
+
+/**
+ * For debugging
+ */
+void
+_mesa_vector4f_print( const GLvector4f *v, const GLubyte *cullmask,
+ GLboolean culling )
+{
+ static const GLfloat c[4] = { 0, 0, 0, 1 };
+ static 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)) {
+ /* no-op */
+ }
+
+ if (i == count)
+ printf(" --> ok\n");
+ else
+ printf(" --> Failed at %u ******\n", i);
+ }
+ }
+}
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