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/* $Id: sparc.c,v 1.9 2003/02/08 15:43:39 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 5.1
*
* Copyright (C) 1999-2003 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.
*/
/*
* Sparc assembly code by David S. Miller
*/
#include "context.h"
#include "math/m_xform.h"
#include "tnl/t_context.h"
#include "sparc.h"
#ifdef DEBUG
#include "math/m_debug.h"
#endif
#define XFORM_ARGS GLvector4f *to_vec, \
const GLfloat m[16], \
const GLvector4f *from_vec
#define DECLARE_XFORM_GROUP(pfx, sz) \
extern void _mesa_##pfx##_transform_points##sz##_general(XFORM_ARGS); \
extern void _mesa_##pfx##_transform_points##sz##_identity(XFORM_ARGS); \
extern void _mesa_##pfx##_transform_points##sz##_3d_no_rot(XFORM_ARGS); \
extern void _mesa_##pfx##_transform_points##sz##_perspective(XFORM_ARGS); \
extern void _mesa_##pfx##_transform_points##sz##_2d(XFORM_ARGS); \
extern void _mesa_##pfx##_transform_points##sz##_2d_no_rot(XFORM_ARGS); \
extern void _mesa_##pfx##_transform_points##sz##_3d(XFORM_ARGS);
#define ASSIGN_XFORM_GROUP(pfx, sz) \
_mesa_transform_tab[sz][MATRIX_GENERAL] = \
_mesa_##pfx##_transform_points##sz##_general; \
_mesa_transform_tab[sz][MATRIX_IDENTITY] = \
_mesa_##pfx##_transform_points##sz##_identity; \
_mesa_transform_tab[sz][MATRIX_3D_NO_ROT] = \
_mesa_##pfx##_transform_points##sz##_3d_no_rot; \
_mesa_transform_tab[sz][MATRIX_PERSPECTIVE] = \
_mesa_##pfx##_transform_points##sz##_perspective; \
_mesa_transform_tab[sz][MATRIX_2D] = \
_mesa_##pfx##_transform_points##sz##_2d; \
_mesa_transform_tab[sz][MATRIX_2D_NO_ROT] = \
_mesa_##pfx##_transform_points##sz##_2d_no_rot; \
_mesa_transform_tab[sz][MATRIX_3D] = \
_mesa_##pfx##_transform_points##sz##_3d;
#ifdef USE_SPARC_ASM
DECLARE_XFORM_GROUP(sparc, 1)
DECLARE_XFORM_GROUP(sparc, 2)
DECLARE_XFORM_GROUP(sparc, 3)
DECLARE_XFORM_GROUP(sparc, 4)
extern GLvector4f *_mesa_sparc_cliptest_points4(GLvector4f *clip_vec,
GLvector4f *proj_vec,
GLubyte clipMask[],
GLubyte *orMask,
GLubyte *andMask);
extern GLvector4f *_mesa_sparc_cliptest_points4_np(GLvector4f *clip_vec,
GLvector4f *proj_vec,
GLubyte clipMask[],
GLubyte *orMask,
GLubyte *andMask);
#define NORM_ARGS const GLmatrix *mat, \
GLfloat scale, \
const GLvector3f *in, \
const GLfloat *lengths, \
GLvector3f *dest
extern void _mesa_sparc_transform_normalize_normals(NORM_ARGS);
extern void _mesa_sparc_transform_normalize_normals_no_rot(NORM_ARGS);
extern void _mesa_sparc_transform_rescale_normals_no_rot(NORM_ARGS);
extern void _mesa_sparc_transform_rescale_normals(NORM_ARGS);
extern void _mesa_sparc_transform_normals_no_rot(NORM_ARGS);
extern void _mesa_sparc_transform_normals(NORM_ARGS);
extern void _mesa_sparc_normalize_normals(NORM_ARGS);
extern void _mesa_sparc_rescale_normals(NORM_ARGS);
#endif
void _mesa_init_all_sparc_transform_asm(void)
{
#ifdef USE_SPARC_ASM
ASSIGN_XFORM_GROUP(sparc, 1)
ASSIGN_XFORM_GROUP(sparc, 2)
ASSIGN_XFORM_GROUP(sparc, 3)
ASSIGN_XFORM_GROUP(sparc, 4)
#if 0
/* Disabled for now. See Mesa bug report # 544665. Evidently these
* functions are using SPARC registers that shouldn't be touched.
*/
_mesa_clip_tab[4] = _mesa_sparc_cliptest_points4;
_mesa_clip_np_tab[4] = _mesa_sparc_cliptest_points4_np;
#endif
#if 0
/* disable these too. See bug 673938 */
_mesa_normal_tab[NORM_TRANSFORM | NORM_NORMALIZE] =
_mesa_sparc_transform_normalize_normals;
_mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_NORMALIZE] =
_mesa_sparc_transform_normalize_normals_no_rot;
_mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_RESCALE] =
_mesa_sparc_transform_rescale_normals_no_rot;
_mesa_normal_tab[NORM_TRANSFORM | NORM_RESCALE] =
_mesa_sparc_transform_rescale_normals;
_mesa_normal_tab[NORM_TRANSFORM_NO_ROT] =
_mesa_sparc_transform_normals_no_rot;
_mesa_normal_tab[NORM_TRANSFORM] =
_mesa_sparc_transform_normals;
_mesa_normal_tab[NORM_NORMALIZE] =
_mesa_sparc_normalize_normals;
_mesa_normal_tab[NORM_RESCALE] =
_mesa_sparc_rescale_normals;
#endif
#ifdef DEBUG
_math_test_all_transform_functions("sparc");
_math_test_all_cliptest_functions("sparc");
_math_test_all_normal_transform_functions("sparc");
#endif
#endif
}
extern unsigned int _mesa_sparc_glapi_begin;
extern unsigned int _mesa_sparc_glapi_end;
extern void __glapi_sparc_icache_flush(unsigned int *);
void _mesa_init_sparc_glapi_relocs(void)
{
unsigned int *insn_ptr, *end_ptr;
unsigned long disp_addr;
insn_ptr = &_mesa_sparc_glapi_begin;
end_ptr = &_mesa_sparc_glapi_end;
disp_addr = (unsigned long) &_glapi_Dispatch;
while (insn_ptr < end_ptr) {
#ifdef __sparc_v9__
insn_ptr[0] |= (disp_addr >> (32 + 10));
insn_ptr[1] |= ((disp_addr & 0xffffffff) >> 10);
__glapi_sparc_icache_flush(&insn_ptr[0]);
insn_ptr[2] |= ((disp_addr >> 32) & ((1 << 10) - 1));
insn_ptr[3] |= (disp_addr & ((1 << 10) - 1));
__glapi_sparc_icache_flush(&insn_ptr[2]);
insn_ptr += 11;
#else
insn_ptr[0] |= (disp_addr >> 10);
insn_ptr[1] |= (disp_addr & ((1 << 10) - 1));
__glapi_sparc_icache_flush(&insn_ptr[0]);
insn_ptr += 5;
#endif
}
}
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