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/* $Id: t_imm_elt.c,v 1.1 2003-02-28 11:48:06 pj Exp $ */
/*
* Mesa 3-D graphics library
* Version: 4.1
*
* Copyright (C) 1999-2002 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.
*
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
*/
#include "glheader.h"
#include "colormac.h"
#include "context.h"
#include "imports.h"
#include "mmath.h"
#include "mtypes.h"
#include "math/m_translate.h"
#include "t_context.h"
#include "t_imm_elt.h"
typedef void (*trans_elt_1f_func)(GLfloat *to,
CONST void *ptr,
GLuint stride,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n );
typedef void (*trans_elt_1ui_func)(GLuint *to,
CONST void *ptr,
GLuint stride,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n );
typedef void (*trans_elt_1ub_func)(GLubyte *to,
CONST void *ptr,
GLuint stride,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n );
typedef void (*trans_elt_4ub_func)(GLubyte (*to)[4],
CONST void *ptr,
GLuint stride,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n );
typedef void (*trans_elt_4us_func)(GLushort (*to)[4],
CONST void *ptr,
GLuint stride,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n );
typedef void (*trans_elt_4f_func)(GLfloat (*to)[4],
CONST void *ptr,
GLuint stride,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n );
typedef void (*trans_elt_3f_func)(GLfloat (*to)[3],
CONST void *ptr,
GLuint stride,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n );
static trans_elt_1f_func _tnl_trans_elt_1f_tab[MAX_TYPES];
static trans_elt_1ui_func _tnl_trans_elt_1ui_tab[MAX_TYPES];
static trans_elt_1ub_func _tnl_trans_elt_1ub_tab[MAX_TYPES];
static trans_elt_3f_func _tnl_trans_elt_3f_tab[MAX_TYPES];
static trans_elt_4ub_func _tnl_trans_elt_4ub_tab[5][MAX_TYPES];
static trans_elt_4us_func _tnl_trans_elt_4us_tab[5][MAX_TYPES];
static trans_elt_4f_func _tnl_trans_elt_4f_tab[5][MAX_TYPES];
#define PTR_ELT(ptr, elt) (((SRC *)ptr)[elt])
/* Code specific to array element implementation. There is a small
* subtlety in the bits CHECK() tests, and the way bits are set in
* glArrayElement which ensures that if, eg, in the case that the
* vertex array is disabled and normal array is enabled, and we get
* either sequence:
*
* ArrayElement() OR Normal()
* Normal() ArrayElement()
* Vertex() Vertex()
*
* That the correct value for normal is used.
*/
#define TAB(x) _tnl_trans_elt##x##_tab
#define ARGS GLuint *flags, GLuint *elts, GLuint match, \
GLuint start, GLuint n
#define SRC_START 0
#define DST_START start
#define CHECK if ((flags[i]&match) == VERT_BIT_ELT)
#define NEXT_F (void)1
#define NEXT_F2 f = first + elts[i] * stride;
/* 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) BYTE_TO_FLOAT( PTR_ELT(f,n) )
#define TRX_UB(ub, f,n) ub = BYTE_TO_UBYTE( PTR_ELT(f,n) )
#define TRX_US(us, f,n) us = BYTE_TO_USHORT( 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_elt
#define DEST_4F trans_4_GLbyte_4f_elt
#define DEST_4UB trans_4_GLbyte_4ub_elt
#define DEST_4US trans_4_GLbyte_4us_elt
#include "math/m_trans_tmp.h"
#define SZ 3
#define INIT init_trans_3_GLbyte_elt
#define DEST_4F trans_3_GLbyte_4f_elt
#define DEST_4UB trans_3_GLbyte_4ub_elt
#define DEST_4US trans_3_GLbyte_4us_elt
#define DEST_3F trans_3_GLbyte_3f_elt
#include "math/m_trans_tmp.h"
#define SZ 2
#define INIT init_trans_2_GLbyte_elt
#define DEST_4F trans_2_GLbyte_4f_elt
#include "math/m_trans_tmp.h"
#define SZ 1
#define INIT init_trans_1_GLbyte_elt
#define DEST_4F trans_1_GLbyte_4f_elt
#define DEST_1UB trans_1_GLbyte_1ub_elt
#define DEST_1UI trans_1_GLbyte_1ui_elt
#include "math/m_trans_tmp.h"
#undef SRC
#undef TRX_3F
#undef TRX_4F
#undef TRX_UB
#undef TRX_US
#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) UBYTE_TO_FLOAT( PTR_ELT(f,n) )
#define TRX_4F(f,n) UBYTE_TO_FLOAT( PTR_ELT(f,n) )
#define TRX_UB(ub, f,n) ub = PTR_ELT(f,n)
#define TRX_US(us, f,n) us = PTR_ELT(f,n)
#define TRX_UI(f,n) (GLuint)PTR_ELT(f,n)
/* 4ub->4ub handled in special case below.
*/
#define SZ 4
#define INIT init_trans_4_GLubyte_elt
#define DEST_4F trans_4_GLubyte_4f_elt
#define DEST_4US trans_4_GLubyte_4us_elt
#include "math/m_trans_tmp.h"
#define SZ 3
#define INIT init_trans_3_GLubyte_elt
#define DEST_4F trans_3_GLubyte_4f_elt
#define DEST_3F trans_3_GLubyte_3f_elt
#define DEST_4UB trans_3_GLubyte_4ub_elt
#define DEST_4US trans_3_GLubyte_4us_elt
#include "math/m_trans_tmp.h"
#define SZ 1
#define INIT init_trans_1_GLubyte_elt
#define DEST_1UI trans_1_GLubyte_1ui_elt
#define DEST_1UB trans_1_GLubyte_1ub_elt
#include "math/m_trans_tmp.h"
#undef SRC
#undef SRC_IDX
#undef TRX_3F
#undef TRX_4F
#undef TRX_UB
#undef TRX_US
#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_US(us, f,n) us = SHORT_TO_USHORT(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_elt
#define DEST_4F trans_4_GLshort_4f_elt
#define DEST_4UB trans_4_GLshort_4ub_elt
#define DEST_4US trans_4_GLshort_4us_elt
#include "math/m_trans_tmp.h"
#define SZ 3
#define INIT init_trans_3_GLshort_elt
#define DEST_4F trans_3_GLshort_4f_elt
#define DEST_4UB trans_3_GLshort_4ub_elt
#define DEST_4US trans_3_GLshort_4us_elt
#define DEST_3F trans_3_GLshort_3f_elt
#include "math/m_trans_tmp.h"
#define SZ 2
#define INIT init_trans_2_GLshort_elt
#define DEST_4F trans_2_GLshort_4f_elt
#include "math/m_trans_tmp.h"
#define SZ 1
#define INIT init_trans_1_GLshort_elt
#define DEST_4F trans_1_GLshort_4f_elt
#define DEST_1UB trans_1_GLshort_1ub_elt
#define DEST_1UI trans_1_GLshort_1ui_elt
#include "math/m_trans_tmp.h"
#undef SRC
#undef SRC_IDX
#undef TRX_3F
#undef TRX_4F
#undef TRX_UB
#undef TRX_US
#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_US(us,f,n) us = PTR_ELT(f,n)
#define TRX_UI(f,n) (GLuint) PTR_ELT(f,n)
#define SZ 4
#define INIT init_trans_4_GLushort_elt
#define DEST_4F trans_4_GLushort_4f_elt
#define DEST_4UB trans_4_GLushort_4ub_elt
#define DEST_4US trans_4_GLushort_4us_elt
#include "math/m_trans_tmp.h"
#define SZ 3
#define INIT init_trans_3_GLushort_elt
#define DEST_4F trans_3_GLushort_4f_elt
#define DEST_4UB trans_3_GLushort_4ub_elt
#define DEST_4US trans_3_GLushort_4us_elt
#define DEST_3F trans_3_GLushort_3f_elt
#include "math/m_trans_tmp.h"
#define SZ 2
#define INIT init_trans_2_GLushort_elt
#define DEST_4F trans_2_GLushort_4f_elt
#include "math/m_trans_tmp.h"
#define SZ 1
#define INIT init_trans_1_GLushort_elt
#define DEST_4F trans_1_GLushort_4f_elt
#define DEST_1UB trans_1_GLushort_1ub_elt
#define DEST_1UI trans_1_GLushort_1ui_elt
#include "math/m_trans_tmp.h"
#undef SRC
#undef SRC_IDX
#undef TRX_3F
#undef TRX_4F
#undef TRX_UB
#undef TRX_US
#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_US(us, f,n) us = INT_TO_USHORT(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_elt
#define DEST_4F trans_4_GLint_4f_elt
#define DEST_4UB trans_4_GLint_4ub_elt
#define DEST_4US trans_4_GLint_4us_elt
#include "math/m_trans_tmp.h"
#define SZ 3
#define INIT init_trans_3_GLint_elt
#define DEST_4F trans_3_GLint_4f_elt
#define DEST_4UB trans_3_GLint_4ub_elt
#define DEST_4US trans_3_GLint_4us_elt
#define DEST_3F trans_3_GLint_3f_elt
#include "math/m_trans_tmp.h"
#define SZ 2
#define INIT init_trans_2_GLint_elt
#define DEST_4F trans_2_GLint_4f_elt
#include "math/m_trans_tmp.h"
#define SZ 1
#define INIT init_trans_1_GLint_elt
#define DEST_4F trans_1_GLint_4f_elt
#define DEST_1UB trans_1_GLint_1ub_elt
#define DEST_1UI trans_1_GLint_1ui_elt
#include "math/m_trans_tmp.h"
#undef SRC
#undef SRC_IDX
#undef TRX_3F
#undef TRX_4F
#undef TRX_UB
#undef TRX_US
#undef TRX_UI
/* GL_UNSIGNED_INT
*/
#define SRC GLuint
#define SRC_IDX TYPE_IDX(GL_UNSIGNED_INT)
#define TRX_3F(f,n) UINT_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_US(us, f,n) us = (GLushort) (PTR_ELT(f,n) >> 16)
#define TRX_UI(f,n) PTR_ELT(f,n)
#define SZ 4
#define INIT init_trans_4_GLuint_elt
#define DEST_4F trans_4_GLuint_4f_elt
#define DEST_4UB trans_4_GLuint_4ub_elt
#define DEST_4US trans_4_GLuint_4us_elt
#include "math/m_trans_tmp.h"
#define SZ 3
#define INIT init_trans_3_GLuint_elt
#define DEST_4F trans_3_GLuint_4f_elt
#define DEST_4UB trans_3_GLuint_4ub_elt
#define DEST_4US trans_3_GLuint_4us_elt
#define DEST_3F trans_3_GLuint_3f_elt
#include "math/m_trans_tmp.h"
#define SZ 2
#define INIT init_trans_2_GLuint_elt
#define DEST_4F trans_2_GLuint_4f_elt
#include "math/m_trans_tmp.h"
#define SZ 1
#define INIT init_trans_1_GLuint_elt
#define DEST_4F trans_1_GLuint_4f_elt
#define DEST_1UB trans_1_GLuint_1ub_elt
#define DEST_1UI trans_1_GLuint_1ui_elt
#include "math/m_trans_tmp.h"
#undef SRC
#undef SRC_IDX
#undef TRX_3F
#undef TRX_4F
#undef TRX_UB
#undef TRX_US
#undef TRX_UI
/* GL_DOUBLE
*/
#define SRC GLdouble
#define SRC_IDX TYPE_IDX(GL_DOUBLE)
#define TRX_3F(f,n) (GLfloat) PTR_ELT(f,n)
#define TRX_4F(f,n) (GLfloat) PTR_ELT(f,n)
#define TRX_UB(ub,f,n) UNCLAMPED_FLOAT_TO_UBYTE(ub, PTR_ELT(f,n))
#define TRX_US(us,f,n) UNCLAMPED_FLOAT_TO_USHORT(us, PTR_ELT(f,n))
#define TRX_UI(f,n) (GLuint) (GLint) PTR_ELT(f,n)
#define TRX_1F(f,n) (GLfloat) PTR_ELT(f,n)
#define SZ 4
#define INIT init_trans_4_GLdouble_elt
#define DEST_4F trans_4_GLdouble_4f_elt
#define DEST_4UB trans_4_GLdouble_4ub_elt
#define DEST_4US trans_4_GLdouble_4us_elt
#include "math/m_trans_tmp.h"
#define SZ 3
#define INIT init_trans_3_GLdouble_elt
#define DEST_4F trans_3_GLdouble_4f_elt
#define DEST_4UB trans_3_GLdouble_4ub_elt
#define DEST_4US trans_3_GLdouble_4us_elt
#define DEST_3F trans_3_GLdouble_3f_elt
#include "math/m_trans_tmp.h"
#define SZ 2
#define INIT init_trans_2_GLdouble_elt
#define DEST_4F trans_2_GLdouble_4f_elt
#include "math/m_trans_tmp.h"
#define SZ 1
#define INIT init_trans_1_GLdouble_elt
#define DEST_4F trans_1_GLdouble_4f_elt
#define DEST_1UB trans_1_GLdouble_1ub_elt
#define DEST_1UI trans_1_GLdouble_1ui_elt
#define DEST_1F trans_1_GLdouble_1f_elt
#include "math/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_elt
#define DEST_4UB trans_4_GLfloat_4ub_elt
#define DEST_4US trans_4_GLfloat_4us_elt
#define DEST_4F trans_4_GLfloat_4f_elt
#include "math/m_trans_tmp.h"
#define SZ 3
#define INIT init_trans_3_GLfloat_elt
#define DEST_4F trans_3_GLfloat_4f_elt
#define DEST_4UB trans_3_GLfloat_4ub_elt
#define DEST_4US trans_3_GLfloat_4us_elt
#define DEST_3F trans_3_GLfloat_3f_elt
#include "math/m_trans_tmp.h"
#define SZ 2
#define INIT init_trans_2_GLfloat_elt
#define DEST_4F trans_2_GLfloat_4f_elt
#include "math/m_trans_tmp.h"
#define SZ 1
#define INIT init_trans_1_GLfloat_elt
#define DEST_4F trans_1_GLfloat_3f_elt
#define DEST_1UB trans_1_GLfloat_1ub_elt
#define DEST_1UI trans_1_GLfloat_1ui_elt
#define DEST_1F trans_1_GLfloat_1f_elt
#include "math/m_trans_tmp.h"
#undef SRC
#undef SRC_IDX
#undef TRX_3F
#undef TRX_4F
#undef TRX_UB
#undef TRX_US
#undef TRX_UI
static void trans_4_GLubyte_4ub(GLubyte (*t)[4],
CONST void *Ptr,
GLuint stride,
ARGS )
{
const GLubyte *f = (GLubyte *) Ptr + SRC_START * stride;
const GLubyte *first = f;
GLuint i;
(void) start;
if (((((long) f | (long) stride)) & 3L) == 0L) {
/* Aligned.
*/
for (i = DST_START ; i < n ; i++, NEXT_F) {
CHECK {
NEXT_F2;
COPY_4UBV( t[i], f );
}
}
} else {
for (i = DST_START ; i < n ; i++, NEXT_F) {
CHECK {
NEXT_F2;
t[i][0] = f[0];
t[i][1] = f[1];
t[i][2] = f[2];
t[i][3] = f[3];
}
}
}
}
static void init_translate_elt(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(_4us), 0, sizeof(TAB(_4us)) );
MEMSET( TAB(_4f), 0, sizeof(TAB(_4f)) );
TAB(_4ub)[4][TYPE_IDX(GL_UNSIGNED_BYTE)] = trans_4_GLubyte_4ub;
init_trans_4_GLbyte_elt();
init_trans_3_GLbyte_elt();
init_trans_2_GLbyte_elt();
init_trans_1_GLbyte_elt();
init_trans_1_GLubyte_elt();
init_trans_3_GLubyte_elt();
init_trans_4_GLubyte_elt();
init_trans_4_GLshort_elt();
init_trans_3_GLshort_elt();
init_trans_2_GLshort_elt();
init_trans_1_GLshort_elt();
init_trans_4_GLushort_elt();
init_trans_3_GLushort_elt();
init_trans_2_GLushort_elt();
init_trans_1_GLushort_elt();
init_trans_4_GLint_elt();
init_trans_3_GLint_elt();
init_trans_2_GLint_elt();
init_trans_1_GLint_elt();
init_trans_4_GLuint_elt();
init_trans_3_GLuint_elt();
init_trans_2_GLuint_elt();
init_trans_1_GLuint_elt();
init_trans_4_GLdouble_elt();
init_trans_3_GLdouble_elt();
init_trans_2_GLdouble_elt();
init_trans_1_GLdouble_elt();
init_trans_4_GLfloat_elt();
init_trans_3_GLfloat_elt();
init_trans_2_GLfloat_elt();
init_trans_1_GLfloat_elt();
}
#undef TAB
#undef CLASS
#undef ARGS
#undef CHECK
#undef START
void _tnl_imm_elt_init( void )
{
init_translate_elt();
}
#if 00
static void _tnl_trans_elt_1f(GLfloat *to,
const struct gl_client_array *from,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n )
{
_tnl_trans_elt_1f_tab[TYPE_IDX(from->Type)]( to,
from->Ptr,
from->StrideB,
flags,
elts,
match,
start,
n );
}
#endif
static void _tnl_trans_elt_1ui(GLuint *to,
const struct gl_client_array *from,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n )
{
_tnl_trans_elt_1ui_tab[TYPE_IDX(from->Type)]( to,
from->Ptr,
from->StrideB,
flags,
elts,
match,
start,
n );
}
static void _tnl_trans_elt_1ub(GLubyte *to,
const struct gl_client_array *from,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n )
{
_tnl_trans_elt_1ub_tab[TYPE_IDX(from->Type)]( to,
from->Ptr,
from->StrideB,
flags,
elts,
match,
start,
n );
}
#if 0
static void _tnl_trans_elt_4ub(GLubyte (*to)[4],
const struct gl_client_array *from,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n )
{
_tnl_trans_elt_4ub_tab[from->Size][TYPE_IDX(from->Type)]( to,
from->Ptr,
from->StrideB,
flags,
elts,
match,
start,
n );
}
#endif
#if 0
static void _tnl_trans_elt_4us(GLushort (*to)[4],
const struct gl_client_array *from,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n )
{
_tnl_trans_elt_4us_tab[from->Size][TYPE_IDX(from->Type)]( to,
from->Ptr,
from->StrideB,
flags,
elts,
match,
start,
n );
}
#endif
static void _tnl_trans_elt_4f(GLfloat (*to)[4],
const struct gl_client_array *from,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n )
{
_tnl_trans_elt_4f_tab[from->Size][TYPE_IDX(from->Type)]( to,
from->Ptr,
from->StrideB,
flags,
elts,
match,
start,
n );
}
#if 0
static void _tnl_trans_elt_3f(GLfloat (*to)[3],
const struct gl_client_array *from,
GLuint *flags,
GLuint *elts,
GLuint match,
GLuint start,
GLuint n )
{
_tnl_trans_elt_3f_tab[TYPE_IDX(from->Type)]( to,
from->Ptr,
from->StrideB,
flags,
elts,
match,
start,
n );
}
#endif
/* Batch function to translate away all the array elements in the
* input buffer prior to transform. Done only the first time a vertex
* buffer is executed or compiled.
*
* KW: Have to do this after each glEnd if arrays aren't locked.
*/
void _tnl_translate_array_elts( GLcontext *ctx, struct immediate *IM,
GLuint start, GLuint count )
{
GLuint *flags = IM->Flag;
GLuint *elts = IM->Elt;
GLuint translate = ctx->Array._Enabled;
GLuint i;
if (MESA_VERBOSE & VERBOSE_IMMEDIATE)
_mesa_debug(ctx, "exec_array_elements %d .. %d\n", start, count);
if (translate & VERT_BIT_POS) {
_tnl_trans_elt_4f( IM->Attrib[VERT_ATTRIB_POS],
&ctx->Array.Vertex,
flags, elts, (VERT_BIT_ELT|VERT_BIT_POS),
start, count);
if (ctx->Array.Vertex.Size == 4)
translate |= VERT_BITS_OBJ_234;
else if (ctx->Array.Vertex.Size == 3)
translate |= VERT_BITS_OBJ_23;
}
if (translate & VERT_BIT_NORMAL)
_tnl_trans_elt_4f( IM->Attrib[VERT_ATTRIB_NORMAL],
&ctx->Array.Normal,
flags, elts, (VERT_BIT_ELT|VERT_BIT_NORMAL),
start, count);
if (translate & VERT_BIT_EDGEFLAG)
_tnl_trans_elt_1ub( IM->EdgeFlag,
&ctx->Array.EdgeFlag,
flags, elts, (VERT_BIT_ELT|VERT_BIT_EDGEFLAG),
start, count);
if (translate & VERT_BIT_COLOR0) {
_tnl_trans_elt_4f( IM->Attrib[VERT_ATTRIB_COLOR0],
&ctx->Array.Color,
flags, elts, (VERT_BIT_ELT|VERT_BIT_COLOR0),
start, count);
}
if (translate & VERT_BIT_COLOR1) {
_tnl_trans_elt_4f( IM->Attrib[VERT_ATTRIB_COLOR1],
&ctx->Array.SecondaryColor,
flags, elts, (VERT_BIT_ELT|VERT_BIT_COLOR1),
start, count);
}
if (translate & VERT_BIT_FOG)
_tnl_trans_elt_4f( IM->Attrib[VERT_ATTRIB_FOG],
&ctx->Array.FogCoord,
flags, elts, (VERT_BIT_ELT|VERT_BIT_FOG),
start, count);
if (translate & VERT_BIT_INDEX)
_tnl_trans_elt_1ui( IM->Index,
&ctx->Array.Index,
flags, elts, (VERT_BIT_ELT|VERT_BIT_INDEX),
start, count);
if (translate & VERT_BITS_TEX_ANY) {
for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++)
if (translate & VERT_BIT_TEX(i)) {
_tnl_trans_elt_4f( IM->Attrib[VERT_ATTRIB_TEX0 + i],
&ctx->Array.TexCoord[i],
flags, elts, (VERT_BIT_ELT|VERT_BIT_TEX(i)),
start, count);
if (ctx->Array.TexCoord[i].Size == 4)
IM->TexSize |= TEX_SIZE_4(i);
else if (ctx->Array.TexCoord[i].Size == 3)
IM->TexSize |= TEX_SIZE_3(i);
}
}
for (i = start ; i < count ; i++)
if (flags[i] & VERT_BIT_ELT) flags[i] |= translate;
IM->FlushElt = 0;
}