sparc.c revision 7117f1b4 
1/*
2 * Mesa 3-D graphics library
3 * Version:  6.3
4 *
5 * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25/*
26 * Sparc assembly code by David S. Miller
27 */
28
29
30#include "sparc.h"
31
32#ifdef USE_SPARC_ASM
33
34#include "context.h"
35#include "math/m_xform.h"
36#include "tnl/t_context.h"
37
38#ifdef DEBUG
39#include "math/m_debug.h"
40#endif
41
42#define XFORM_ARGS 	GLvector4f *to_vec, 		\
43			const GLfloat m[16], 		\
44			const GLvector4f *from_vec
45
46#define DECLARE_XFORM_GROUP(pfx, sz)					   \
47 extern void _mesa_##pfx##_transform_points##sz##_general(XFORM_ARGS);     \
48 extern void _mesa_##pfx##_transform_points##sz##_identity(XFORM_ARGS);    \
49 extern void _mesa_##pfx##_transform_points##sz##_3d_no_rot(XFORM_ARGS);   \
50 extern void _mesa_##pfx##_transform_points##sz##_perspective(XFORM_ARGS); \
51 extern void _mesa_##pfx##_transform_points##sz##_2d(XFORM_ARGS);          \
52 extern void _mesa_##pfx##_transform_points##sz##_2d_no_rot(XFORM_ARGS);   \
53 extern void _mesa_##pfx##_transform_points##sz##_3d(XFORM_ARGS);
54
55#define ASSIGN_XFORM_GROUP(pfx, sz)					\
56   _mesa_transform_tab[sz][MATRIX_GENERAL] =				\
57      _mesa_##pfx##_transform_points##sz##_general;			\
58   _mesa_transform_tab[sz][MATRIX_IDENTITY] =				\
59      _mesa_##pfx##_transform_points##sz##_identity;			\
60   _mesa_transform_tab[sz][MATRIX_3D_NO_ROT] =				\
61      _mesa_##pfx##_transform_points##sz##_3d_no_rot;			\
62   _mesa_transform_tab[sz][MATRIX_PERSPECTIVE] =			\
63      _mesa_##pfx##_transform_points##sz##_perspective;			\
64   _mesa_transform_tab[sz][MATRIX_2D] =					\
65      _mesa_##pfx##_transform_points##sz##_2d;				\
66   _mesa_transform_tab[sz][MATRIX_2D_NO_ROT] =				\
67      _mesa_##pfx##_transform_points##sz##_2d_no_rot;			\
68   _mesa_transform_tab[sz][MATRIX_3D] =					\
69      _mesa_##pfx##_transform_points##sz##_3d;
70
71
72DECLARE_XFORM_GROUP(sparc, 1)
73DECLARE_XFORM_GROUP(sparc, 2)
74DECLARE_XFORM_GROUP(sparc, 3)
75DECLARE_XFORM_GROUP(sparc, 4)
76
77extern GLvector4f  *_mesa_sparc_cliptest_points4(GLvector4f *clip_vec,
78						 GLvector4f *proj_vec,
79						 GLubyte clipMask[],
80						 GLubyte *orMask,
81						 GLubyte *andMask);
82
83extern GLvector4f  *_mesa_sparc_cliptest_points4_np(GLvector4f *clip_vec,
84						    GLvector4f *proj_vec,
85						    GLubyte clipMask[],
86						    GLubyte *orMask,
87						    GLubyte *andMask);
88
89#define NORM_ARGS	const GLmatrix *mat,				\
90			GLfloat scale,					\
91			const GLvector4f *in,				\
92			const GLfloat *lengths,				\
93			GLvector4f *dest
94
95extern void _mesa_sparc_transform_normalize_normals(NORM_ARGS);
96extern void _mesa_sparc_transform_normalize_normals_no_rot(NORM_ARGS);
97extern void _mesa_sparc_transform_rescale_normals_no_rot(NORM_ARGS);
98extern void _mesa_sparc_transform_rescale_normals(NORM_ARGS);
99extern void _mesa_sparc_transform_normals_no_rot(NORM_ARGS);
100extern void _mesa_sparc_transform_normals(NORM_ARGS);
101extern void _mesa_sparc_normalize_normals(NORM_ARGS);
102extern void _mesa_sparc_rescale_normals(NORM_ARGS);
103
104
105
106void _mesa_init_all_sparc_transform_asm(void)
107{
108   ASSIGN_XFORM_GROUP(sparc, 1)
109   ASSIGN_XFORM_GROUP(sparc, 2)
110   ASSIGN_XFORM_GROUP(sparc, 3)
111   ASSIGN_XFORM_GROUP(sparc, 4)
112
113   _mesa_clip_tab[4] = _mesa_sparc_cliptest_points4;
114   _mesa_clip_np_tab[4] = _mesa_sparc_cliptest_points4_np;
115
116#if 0
117   /* disable these too.  See bug 673938 */
118   _mesa_normal_tab[NORM_TRANSFORM | NORM_NORMALIZE] =
119	   _mesa_sparc_transform_normalize_normals;
120   _mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_NORMALIZE] =
121	   _mesa_sparc_transform_normalize_normals_no_rot;
122   _mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_RESCALE] =
123	   _mesa_sparc_transform_rescale_normals_no_rot;
124   _mesa_normal_tab[NORM_TRANSFORM | NORM_RESCALE] =
125	   _mesa_sparc_transform_rescale_normals;
126   _mesa_normal_tab[NORM_TRANSFORM_NO_ROT] =
127	   _mesa_sparc_transform_normals_no_rot;
128   _mesa_normal_tab[NORM_TRANSFORM] =
129	   _mesa_sparc_transform_normals;
130   _mesa_normal_tab[NORM_NORMALIZE] =
131	   _mesa_sparc_normalize_normals;
132   _mesa_normal_tab[NORM_RESCALE] =
133	   _mesa_sparc_rescale_normals;
134#endif
135
136#ifdef DEBUG_MATH
137   _math_test_all_transform_functions("sparc");
138   _math_test_all_cliptest_functions("sparc");
139   _math_test_all_normal_transform_functions("sparc");
140#endif
141}
142
143extern unsigned int _mesa_sparc_glapi_begin;
144extern unsigned int _mesa_sparc_glapi_end;
145extern void __glapi_sparc_icache_flush(unsigned int *);
146
147#endif /* USE_SPARC_ASM */
148
149
150void _mesa_init_sparc_glapi_relocs(void)
151{
152#ifdef USE_SPARC_ASM
153	unsigned int *insn_ptr, *end_ptr;
154	unsigned long disp_addr;
155
156	insn_ptr = &_mesa_sparc_glapi_begin;
157	end_ptr = &_mesa_sparc_glapi_end;
158	disp_addr = (unsigned long) &_glapi_Dispatch;
159
160	while (insn_ptr < end_ptr) {
161#ifdef __arch64__
162		insn_ptr[0] |= (disp_addr >> (32 + 10));
163		insn_ptr[1] |= ((disp_addr & 0xffffffff) >> 10);
164		__glapi_sparc_icache_flush(&insn_ptr[0]);
165		insn_ptr[2] |= ((disp_addr >> 32) & ((1 << 10) - 1));
166		insn_ptr[3] |= (disp_addr & ((1 << 10) - 1));
167		__glapi_sparc_icache_flush(&insn_ptr[2]);
168		insn_ptr += 11;
169#else
170		insn_ptr[0] |= (disp_addr >> 10);
171		insn_ptr[1] |= (disp_addr & ((1 << 10) - 1));
172		__glapi_sparc_icache_flush(&insn_ptr[0]);
173		insn_ptr += 5;
174#endif
175	}
176#endif /* USE_SPARC_ASM */
177}
178