| /* $Id: m_translate.c,v 1.1 2000/11/16 21:05:41 keithw Exp $ */ |
| |
| /* |
| * Mesa 3-D graphics library |
| * Version: 3.3 |
| * |
| * 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. |
| */ |
| |
| |
| #include "glheader.h" |
| #include "colormac.h" |
| #include "mem.h" |
| #include "mmath.h" |
| |
| #include "m_translate.h" |
| |
| /* This macro is used on other systems, so undefine it for this module */ |
| |
| #undef CHECK |
| |
| trans_1f_func gl_trans_1f_tab[MAX_TYPES]; |
| trans_1ui_func gl_trans_1ui_tab[MAX_TYPES]; |
| trans_1ub_func gl_trans_1ub_tab[MAX_TYPES]; |
| trans_3f_func gl_trans_3f_tab[MAX_TYPES]; |
| trans_4ub_func gl_trans_4ub_tab[5][MAX_TYPES]; |
| trans_4f_func gl_trans_4f_tab[5][MAX_TYPES]; |
| |
| |
| #define PTR_ELT(ptr, elt) (((SRC *)ptr)[elt]) |
| |
| |
| #define TAB(x) gl_trans##x##_tab |
| #define ARGS GLuint start, GLuint n |
| #define SRC_START start |
| #define DST_START 0 |
| #define STRIDE stride |
| #define NEXT_F f += stride |
| #define NEXT_F2 |
| #define CHECK |
| |
| |
| |
| |
| /* GL_BYTE |
| */ |
| #define SRC GLbyte |
| #define SRC_IDX TYPE_IDX(GL_BYTE) |
| #define TRX_3F(f,n) BYTE_TO_FLOAT( PTR_ELT(f,n) ) |
| #define TRX_4F(f,n) (GLfloat)( PTR_ELT(f,n) ) |
| #define TRX_UB(ub, f,n) ub = BYTE_TO_UBYTE( PTR_ELT(f,n) ) |
| #define TRX_UI(f,n) (PTR_ELT(f,n) < 0 ? 0 : (GLuint) PTR_ELT(f,n)) |
| |
| |
| #define SZ 4 |
| #define INIT init_trans_4_GLbyte_raw |
| #define DEST_4F trans_4_GLbyte_4f_raw |
| #define DEST_4UB trans_4_GLbyte_4ub_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 3 |
| #define INIT init_trans_3_GLbyte_raw |
| #define DEST_4F trans_3_GLbyte_4f_raw |
| #define DEST_4UB trans_3_GLbyte_4ub_raw |
| #define DEST_3F trans_3_GLbyte_3f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 2 |
| #define INIT init_trans_2_GLbyte_raw |
| #define DEST_4F trans_2_GLbyte_4f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 1 |
| #define INIT init_trans_1_GLbyte_raw |
| #define DEST_4F trans_1_GLbyte_4f_raw |
| #define DEST_1UB trans_1_GLbyte_1ub_raw |
| #define DEST_1UI trans_1_GLbyte_1ui_raw |
| #include "m_trans_tmp.h" |
| |
| #undef SRC |
| #undef TRX_3F |
| #undef TRX_4F |
| #undef TRX_UB |
| #undef TRX_UI |
| #undef SRC_IDX |
| |
| /* GL_UNSIGNED_BYTE |
| */ |
| #define SRC GLubyte |
| #define SRC_IDX TYPE_IDX(GL_UNSIGNED_BYTE) |
| #define TRX_3F(f,n) /* unused */ |
| #define TRX_4F(f,n) /* unused */ |
| #define TRX_UB(ub, f,n) ub = PTR_ELT(f,n) |
| #define TRX_UI(f,n) (GLuint)PTR_ELT(f,n) |
| |
| /* 4ub->4ub handled in special case below. |
| */ |
| |
| #define SZ 3 |
| #define INIT init_trans_3_GLubyte_raw |
| #define DEST_4UB trans_3_GLubyte_4ub_raw |
| #include "m_trans_tmp.h" |
| |
| |
| #define SZ 1 |
| #define INIT init_trans_1_GLubyte_raw |
| #define DEST_1UI trans_1_GLubyte_1ui_raw |
| #define DEST_1UB trans_1_GLubyte_1ub_raw |
| #include "m_trans_tmp.h" |
| |
| #undef SRC |
| #undef SRC_IDX |
| #undef TRX_3F |
| #undef TRX_4F |
| #undef TRX_UB |
| #undef TRX_UI |
| |
| |
| /* GL_SHORT |
| */ |
| #define SRC GLshort |
| #define SRC_IDX TYPE_IDX(GL_SHORT) |
| #define TRX_3F(f,n) SHORT_TO_FLOAT( PTR_ELT(f,n) ) |
| #define TRX_4F(f,n) (GLfloat)( PTR_ELT(f,n) ) |
| #define TRX_UB(ub, f,n) ub = SHORT_TO_UBYTE(PTR_ELT(f,n)) |
| #define TRX_UI(f,n) (PTR_ELT(f,n) < 0 ? 0 : (GLuint) PTR_ELT(f,n)) |
| |
| |
| #define SZ 4 |
| #define INIT init_trans_4_GLshort_raw |
| #define DEST_4F trans_4_GLshort_4f_raw |
| #define DEST_4UB trans_4_GLshort_4ub_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 3 |
| #define INIT init_trans_3_GLshort_raw |
| #define DEST_4F trans_3_GLshort_4f_raw |
| #define DEST_4UB trans_3_GLshort_4ub_raw |
| #define DEST_3F trans_3_GLshort_3f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 2 |
| #define INIT init_trans_2_GLshort_raw |
| #define DEST_4F trans_2_GLshort_4f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 1 |
| #define INIT init_trans_1_GLshort_raw |
| #define DEST_4F trans_1_GLshort_4f_raw |
| #define DEST_1UB trans_1_GLshort_1ub_raw |
| #define DEST_1UI trans_1_GLshort_1ui_raw |
| #include "m_trans_tmp.h" |
| |
| |
| #undef SRC |
| #undef SRC_IDX |
| #undef TRX_3F |
| #undef TRX_4F |
| #undef TRX_UB |
| #undef TRX_UI |
| |
| |
| /* GL_UNSIGNED_SHORT |
| */ |
| #define SRC GLushort |
| #define SRC_IDX TYPE_IDX(GL_UNSIGNED_SHORT) |
| #define TRX_3F(f,n) USHORT_TO_FLOAT( PTR_ELT(f,n) ) |
| #define TRX_4F(f,n) (GLfloat)( PTR_ELT(f,n) ) |
| #define TRX_UB(ub,f,n) ub = (GLubyte) (PTR_ELT(f,n) >> 8) |
| #define TRX_UI(f,n) (GLuint) PTR_ELT(f,n) |
| |
| |
| #define SZ 4 |
| #define INIT init_trans_4_GLushort_raw |
| #define DEST_4F trans_4_GLushort_4f_raw |
| #define DEST_4UB trans_4_GLushort_4ub_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 3 |
| #define INIT init_trans_3_GLushort_raw |
| #define DEST_4F trans_3_GLushort_4f_raw |
| #define DEST_4UB trans_3_GLushort_4ub_raw |
| #define DEST_3F trans_3_GLushort_3f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 2 |
| #define INIT init_trans_2_GLushort_raw |
| #define DEST_4F trans_2_GLushort_4f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 1 |
| #define INIT init_trans_1_GLushort_raw |
| #define DEST_4F trans_1_GLushort_4f_raw |
| #define DEST_1UB trans_1_GLushort_1ub_raw |
| #define DEST_1UI trans_1_GLushort_1ui_raw |
| #include "m_trans_tmp.h" |
| |
| #undef SRC |
| #undef SRC_IDX |
| #undef TRX_3F |
| #undef TRX_4F |
| #undef TRX_UB |
| #undef TRX_UI |
| |
| |
| /* GL_INT |
| */ |
| #define SRC GLint |
| #define SRC_IDX TYPE_IDX(GL_INT) |
| #define TRX_3F(f,n) INT_TO_FLOAT( PTR_ELT(f,n) ) |
| #define TRX_4F(f,n) (GLfloat)( PTR_ELT(f,n) ) |
| #define TRX_UB(ub, f,n) ub = INT_TO_UBYTE(PTR_ELT(f,n)) |
| #define TRX_UI(f,n) (PTR_ELT(f,n) < 0 ? 0 : (GLuint) PTR_ELT(f,n)) |
| |
| |
| #define SZ 4 |
| #define INIT init_trans_4_GLint_raw |
| #define DEST_4F trans_4_GLint_4f_raw |
| #define DEST_4UB trans_4_GLint_4ub_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 3 |
| #define INIT init_trans_3_GLint_raw |
| #define DEST_4F trans_3_GLint_4f_raw |
| #define DEST_4UB trans_3_GLint_4ub_raw |
| #define DEST_3F trans_3_GLint_3f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 2 |
| #define INIT init_trans_2_GLint_raw |
| #define DEST_4F trans_2_GLint_4f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 1 |
| #define INIT init_trans_1_GLint_raw |
| #define DEST_4F trans_1_GLint_4f_raw |
| #define DEST_1UB trans_1_GLint_1ub_raw |
| #define DEST_1UI trans_1_GLint_1ui_raw |
| #include "m_trans_tmp.h" |
| |
| |
| #undef SRC |
| #undef SRC_IDX |
| #undef TRX_3F |
| #undef TRX_4F |
| #undef TRX_UB |
| #undef TRX_UI |
| |
| |
| /* GL_UNSIGNED_INT |
| */ |
| #define SRC GLuint |
| #define SRC_IDX TYPE_IDX(GL_UNSIGNED_INT) |
| #define TRX_3F(f,n) INT_TO_FLOAT( PTR_ELT(f,n) ) |
| #define TRX_4F(f,n) (GLfloat)( PTR_ELT(f,n) ) |
| #define TRX_UB(ub, f,n) ub = (GLubyte) (PTR_ELT(f,n) >> 24) |
| #define TRX_UI(f,n) PTR_ELT(f,n) |
| |
| |
| #define SZ 4 |
| #define INIT init_trans_4_GLuint_raw |
| #define DEST_4F trans_4_GLuint_4f_raw |
| #define DEST_4UB trans_4_GLuint_4ub_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 3 |
| #define INIT init_trans_3_GLuint_raw |
| #define DEST_4F trans_3_GLuint_4f_raw |
| #define DEST_4UB trans_3_GLuint_4ub_raw |
| #define DEST_3F trans_3_GLuint_3f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 2 |
| #define INIT init_trans_2_GLuint_raw |
| #define DEST_4F trans_2_GLuint_4f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 1 |
| #define INIT init_trans_1_GLuint_raw |
| #define DEST_4F trans_1_GLuint_4f_raw |
| #define DEST_1UB trans_1_GLuint_1ub_raw |
| #define DEST_1UI trans_1_GLuint_1ui_raw |
| #include "m_trans_tmp.h" |
| |
| #undef SRC |
| #undef SRC_IDX |
| #undef TRX_3F |
| #undef TRX_4F |
| #undef TRX_UB |
| #undef TRX_UI |
| |
| |
| /* GL_DOUBLE |
| */ |
| #define SRC GLdouble |
| #define SRC_IDX TYPE_IDX(GL_DOUBLE) |
| #define TRX_3F(f,n) PTR_ELT(f,n) |
| #define TRX_4F(f,n) PTR_ELT(f,n) |
| #define TRX_UB(ub,f,n) FLOAT_COLOR_TO_CHAN(ub, PTR_ELT(f,n)) |
| #define TRX_UI(f,n) (GLuint) (GLint) PTR_ELT(f,n) |
| #define TRX_1F(f,n) PTR_ELT(f,n) |
| |
| |
| #define SZ 4 |
| #define INIT init_trans_4_GLdouble_raw |
| #define DEST_4F trans_4_GLdouble_4f_raw |
| #define DEST_4UB trans_4_GLdouble_4ub_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 3 |
| #define INIT init_trans_3_GLdouble_raw |
| #define DEST_4F trans_3_GLdouble_4f_raw |
| #define DEST_4UB trans_3_GLdouble_4ub_raw |
| #define DEST_3F trans_3_GLdouble_3f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 2 |
| #define INIT init_trans_2_GLdouble_raw |
| #define DEST_4F trans_2_GLdouble_4f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 1 |
| #define INIT init_trans_1_GLdouble_raw |
| #define DEST_4F trans_1_GLdouble_4f_raw |
| #define DEST_1UB trans_1_GLdouble_1ub_raw |
| #define DEST_1UI trans_1_GLdouble_1ui_raw |
| #define DEST_1F trans_1_GLdouble_1f_raw |
| #include "m_trans_tmp.h" |
| |
| #undef SRC |
| #undef SRC_IDX |
| |
| /* GL_FLOAT |
| */ |
| #define SRC GLfloat |
| #define SRC_IDX TYPE_IDX(GL_FLOAT) |
| #define SZ 4 |
| #define INIT init_trans_4_GLfloat_raw |
| #define DEST_4UB trans_4_GLfloat_4ub_raw |
| #define DEST_4F trans_4_GLfloat_4f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 3 |
| #define INIT init_trans_3_GLfloat_raw |
| #define DEST_4F trans_3_GLfloat_4f_raw |
| #define DEST_4UB trans_3_GLfloat_4ub_raw |
| #define DEST_3F trans_3_GLfloat_3f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 2 |
| #define INIT init_trans_2_GLfloat_raw |
| #define DEST_4F trans_2_GLfloat_4f_raw |
| #include "m_trans_tmp.h" |
| |
| #define SZ 1 |
| #define INIT init_trans_1_GLfloat_raw |
| #define DEST_4F trans_1_GLfloat_4f_raw |
| #define DEST_1UB trans_1_GLfloat_1ub_raw |
| #define DEST_1UI trans_1_GLfloat_1ui_raw |
| #define DEST_1F trans_1_GLfloat_1f_raw |
| |
| #include "m_trans_tmp.h" |
| |
| #undef SRC |
| #undef SRC_IDX |
| #undef TRX_3F |
| #undef TRX_4F |
| #undef TRX_UB |
| #undef TRX_UI |
| |
| |
| static void trans_4_GLubyte_4ub_raw (GLubyte (*t)[4], |
| CONST void *Ptr, |
| GLuint stride, |
| ARGS ) |
| { |
| const GLubyte *f = (GLubyte *) Ptr + SRC_START * stride; |
| GLuint i; |
| |
| if (((((long) f | (long) stride)) & 3L) == 0L) { |
| /* Aligned. |
| */ |
| for (i = DST_START ; i < n ; i++, f += stride) { |
| COPY_4UBV( t[i], f ); |
| } |
| } else { |
| for (i = DST_START ; i < n ; i++, f += stride) { |
| t[i][0] = f[0]; |
| t[i][1] = f[1]; |
| t[i][2] = f[2]; |
| t[i][3] = f[3]; |
| } |
| } |
| } |
| |
| |
| static void init_translate_raw(void) |
| { |
| MEMSET( TAB(_1ui), 0, sizeof(TAB(_1ui)) ); |
| MEMSET( TAB(_1ub), 0, sizeof(TAB(_1ub)) ); |
| MEMSET( TAB(_3f), 0, sizeof(TAB(_3f)) ); |
| MEMSET( TAB(_4ub), 0, sizeof(TAB(_4ub)) ); |
| MEMSET( TAB(_4f), 0, sizeof(TAB(_4f)) ); |
| |
| TAB(_4ub)[4][TYPE_IDX(GL_UNSIGNED_BYTE)] = trans_4_GLubyte_4ub_raw; |
| |
| init_trans_4_GLbyte_raw(); |
| init_trans_3_GLbyte_raw(); |
| init_trans_2_GLbyte_raw(); |
| init_trans_1_GLbyte_raw(); |
| init_trans_1_GLubyte_raw(); |
| init_trans_3_GLubyte_raw(); |
| init_trans_4_GLshort_raw(); |
| init_trans_3_GLshort_raw(); |
| init_trans_2_GLshort_raw(); |
| init_trans_1_GLshort_raw(); |
| init_trans_4_GLushort_raw(); |
| init_trans_3_GLushort_raw(); |
| init_trans_2_GLushort_raw(); |
| init_trans_1_GLushort_raw(); |
| init_trans_4_GLint_raw(); |
| init_trans_3_GLint_raw(); |
| init_trans_2_GLint_raw(); |
| init_trans_1_GLint_raw(); |
| init_trans_4_GLuint_raw(); |
| init_trans_3_GLuint_raw(); |
| init_trans_2_GLuint_raw(); |
| init_trans_1_GLuint_raw(); |
| init_trans_4_GLdouble_raw(); |
| init_trans_3_GLdouble_raw(); |
| init_trans_2_GLdouble_raw(); |
| init_trans_1_GLdouble_raw(); |
| init_trans_4_GLfloat_raw(); |
| init_trans_3_GLfloat_raw(); |
| init_trans_2_GLfloat_raw(); |
| init_trans_1_GLfloat_raw(); |
| } |
| |
| |
| #undef TAB |
| #undef CLASS |
| #undef ARGS |
| #undef CHECK |
| #undef SRC_START |
| #undef DST_START |
| #undef NEXT_F |
| #undef NEXT_F2 |
| |
| |
| |
| |
| |
| void |
| _math_init_translate( void ) |
| { |
| init_translate_raw(); |
| } |