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-rw-r--r--src/mesa/math/m_translate.c478
1 files changed, 478 insertions, 0 deletions
diff --git a/src/mesa/math/m_translate.c b/src/mesa/math/m_translate.c
new file mode 100644
index 0000000000..945e35706c
--- /dev/null
+++ b/src/mesa/math/m_translate.c
@@ -0,0 +1,478 @@
+/* $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();
+}