home *** CD-ROM | disk | FTP | other *** search
- /* $Id: trans_tmp.h,v 1.2 1999/10/19 18:37:04 keithw 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.
- */
-
-
- /* KW: It might be possible to organize to do the translation *after*
- * culling in an array-optimized gl_transform_vb().
- */
-
-
- #ifdef DEST_4F
- static void DEST_4F( GLfloat (*t)[4],
- const struct gl_client_array *from,
- ARGS)
- {
- GLuint stride = from->StrideB;
- const GLubyte *f = (GLubyte *) from->Ptr + SRC_START * stride;
- const GLubyte *first = f;
- GLuint i;
-
- (void) first;
- (void) start;
- for (i = DST_START ; i < n ; i++, NEXT_F) {
- CHECK {
- NEXT_F2;
- if (SZ >= 1) t[i][0] = TRX_4F(f, 0);
- if (SZ >= 2) t[i][1] = TRX_4F(f, 1);
- if (SZ >= 3) t[i][2] = TRX_4F(f, 2);
- if (SZ == 4) t[i][3] = TRX_4F(f, 3);
- }
- }
- }
- #endif
-
-
- #ifdef DEST_3F
- static void DEST_3F( GLfloat (*t)[3],
- const struct gl_client_array *from,
- ARGS)
- {
- GLuint stride = from->StrideB;
- const GLubyte *f = (GLubyte *) from->Ptr + SRC_START * stride;
- const GLubyte *first = f;
- GLuint i;
- (void) first;
- (void) start;
- for (i = DST_START ; i < n ; i++, NEXT_F) {
- CHECK {
- NEXT_F2;
- t[i][0] = TRX_3F(f, 0);
- t[i][1] = TRX_3F(f, 1);
- t[i][2] = TRX_3F(f, 2);
- }
- }
- }
- #endif
-
- #ifdef DEST_4UB
- static void DEST_4UB( GLubyte (*t)[4],
- const struct gl_client_array *from,
- ARGS)
- {
- GLuint stride = from->StrideB;
- const GLubyte *f = (GLubyte *) from->Ptr + SRC_START * stride;
- const GLubyte *first = f;
- GLuint i;
- (void) start;
- (void) first;
- for (i = DST_START ; i < n ; i++, NEXT_F) {
- CHECK {
- NEXT_F2;
- if (SZ >= 1) TRX_UB(t[i][0], f, 0);
- if (SZ >= 2) TRX_UB(t[i][1], f, 1);
- if (SZ >= 3) TRX_UB(t[i][2], f, 2);
- if (SZ == 4) TRX_UB(t[i][3], f, 3); else t[i][3] = 255;
- }
- }
- }
- #endif
-
-
- #ifdef DEST_1UB
- static void DEST_1UB( GLubyte *t,
- const struct gl_client_array *from,
- ARGS)
- {
- GLuint stride = from->StrideB;
- const GLubyte *f = (GLubyte *) from->Ptr + SRC_START * stride;
- const GLubyte *first = f;
- GLuint i;
- (void) start;
- (void) first;
- for (i = DST_START ; i < n ; i++, NEXT_F) {
- CHECK {
- NEXT_F2;
- TRX_UB(t[i], f, 0);
- }
- }
- }
- #endif
-
-
- #ifdef DEST_1UI
- static void DEST_1UI( GLuint *t,
- const struct gl_client_array *from,
- ARGS)
- {
- GLuint stride = from->StrideB;
- const GLubyte *f = (GLubyte *) from->Ptr + SRC_START * stride;
- const GLubyte *first = f;
- GLuint i;
- (void) start;
- (void) first;
-
- for (i = DST_START ; i < n ; i++, NEXT_F) {
- CHECK {
- NEXT_F2;
- t[i] = TRX_UI(f, 0);
- }
- }
- }
- #endif
-
-
- static void INIT(void)
- {
- #ifdef DEST_1UI
- ASSERT(SZ == 1);
- TAB(1ui)[SRC_IDX] = DEST_1UI;
- #endif
- #ifdef DEST_1UB
- ASSERT(SZ == 1);
- TAB(1ub)[SRC_IDX] = DEST_1UB;
- #endif
- #ifdef DEST_3F
- ASSERT(SZ == 3);
- TAB(3f)[SRC_IDX] = DEST_3F;
- #endif
- #ifdef DEST_4UB
- TAB(4ub)[SZ][SRC_IDX] = DEST_4UB;
- #endif
- #ifdef DEST_4F
- TAB(4f)[SZ][SRC_IDX] = DEST_4F;
- #endif
-
- }
-
-
- #undef INIT
- #undef DEST_1UI
- #undef DEST_1UB
- #undef DEST_4UB
- #undef DEST_3F
- #undef DEST_4F
- #undef SZ
- #undef TAG
-
-
-