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- /* $Id: dotprod_tmp.h,v 1.1.1.1 1999/08/19 00:55:41 jtg 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.
- */
-
-
- /* Note - respects the stride of the output vector.
- */
- static void TAG(dotprod_vec2)( GLvector4f *out_vec,
- GLuint elt,
- const GLvector4f *coord_vec,
- const GLfloat plane[4],
- const GLubyte mask[])
- {
- GLuint stride = coord_vec->stride;
- GLfloat *coord = coord_vec->start;
- GLuint count = coord_vec->count;
-
- GLuint outstride = out_vec->stride;
- GLfloat *out = out_vec->start + elt;
- GLuint i;
-
- const GLfloat plane0 = plane[0], plane1 = plane[1], plane3 = plane[3];
-
- (void) mask;
-
- for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(out,outstride)) {
- CULL_CHECK {
- *out = (coord[0] * plane0 +
- coord[1] * plane1 +
- plane3);
- }
- }
- out_vec->count = coord_vec->count;
- }
-
- static void TAG(dotprod_vec3)( GLvector4f *out_vec,
- GLuint elt,
- const GLvector4f *coord_vec,
- const GLfloat plane[4],
- const GLubyte mask[])
- {
- GLuint stride = coord_vec->stride;
- GLfloat *coord = coord_vec->start;
- GLuint count = coord_vec->count;
-
- GLuint outstride = out_vec->stride;
- GLfloat *out = out_vec->start + elt;
- GLuint i;
-
- const GLfloat plane0 = plane[0], plane1 = plane[1], plane2 = plane[2];
- const GLfloat plane3 = plane[3];
-
- (void) mask;
-
- for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(out,outstride)) {
- CULL_CHECK {
- *out = (coord[0] * plane0 +
- coord[1] * plane1 +
- coord[2] * plane2 +
- plane3);
- }
- }
- out_vec->count = coord_vec->count;
- }
-
- static void TAG(dotprod_vec4)( GLvector4f *out_vec,
- GLuint elt,
- const GLvector4f *coord_vec,
- const GLfloat plane[4],
- const GLubyte mask[])
- {
- GLuint stride = coord_vec->stride;
- GLfloat *coord = coord_vec->start;
- GLuint count = coord_vec->count;
-
- GLuint outstride = out_vec->stride;
- GLfloat *out = out_vec->start + elt;
- GLuint i;
-
- const GLfloat plane0 = plane[0], plane1 = plane[1], plane2 = plane[2];
- const GLfloat plane3 = plane[3];
-
- (void) mask;
-
- for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(out,outstride)) {
- CULL_CHECK {
- *out = (coord[0] * plane0 +
- coord[1] * plane1 +
- coord[2] * plane2 +
- coord[3] * plane3);
- }
- }
- out_vec->count = coord_vec->count;
- }
-
-
- static void TAG(init_dotprod)( void )
- {
- gl_dotprod_tab[IDX&1][2] = TAG(dotprod_vec2);
- gl_dotprod_tab[IDX&1][3] = TAG(dotprod_vec3);
- gl_dotprod_tab[IDX&1][4] = TAG(dotprod_vec4);
- }
-