1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Gareth Hughes
26 */
27
28 /*
29 * This generates an asm version of mtypes.h (called matypes.h), so that
30 * Mesa's x86 assembly code can access the internal structures easily.
31 * This will be particularly useful when developing new x86 asm code for
32 * Mesa, including lighting, clipping, texture image conversion etc.
33 */
34
35 #ifndef __STDC_FORMAT_MACROS
36 #define __STDC_FORMAT_MACROS
37 #endif
38
39 #include <stdio.h>
40 #include <inttypes.h>
41
42 #include "main/glheader.h"
43 #include "main/mtypes.h"
44 #include "tnl/t_context.h"
45
46
47 #undef offsetof
48 #define offsetof( type, member ) ((size_t) &((type *)0)->member)
49
50
51 #define OFFSET_HEADER( x ) \
52 do { \
53 printf( "\n" ); \
54 printf( "\n" ); \
55 printf( "/* =====================================================" \
56 "========\n" ); \
57 printf( " * Offsets for " x "\n" ); \
58 printf( " */\n" ); \
59 printf( "\n" ); \
60 } while (0)
61
62 #define DEFINE_HEADER( x ) \
63 do { \
64 printf( "\n" ); \
65 printf( "/*\n" ); \
66 printf( " * Flags for " x "\n" ); \
67 printf( " */\n" ); \
68 printf( "\n" ); \
69 } while (0)
70
71 #ifdef ASM_OFFSETS
72
73 /*
74 * Format the asm output in a special way that we can manipulate
75 * after the fact and turn into the final header for the target.
76 */
77
78 #define DEFINE_UL( s, ul ) \
79 __asm__ __volatile__ ( "\n->" s " %0" : : "i" (ul) )
80
81 #define DEFINE( s, d ) \
82 DEFINE_UL( s, d )
83
84 #define printf( x ) \
85 __asm__ __volatile__ ( "\n->" x )
86
87 #else
88
89 #define DEFINE_UL( s, ul ) \
90 printf( "#define %s\t%lu\n", s, (unsigned long) (ul) );
91
92 #define DEFINE( s, d ) \
93 printf( "#define %s\t0x%" PRIx64 "\n", s, (uint64_t) d );
94
95 #endif
96
97 #define OFFSET( s, t, m ) \
98 DEFINE_UL( s, offsetof( t, m ) )
99
100 #define SIZEOF( s, t ) \
101 DEFINE_UL( s, sizeof(t) )
102
103
104
main(int argc,char ** argv)105 int main( int argc, char **argv )
106 {
107 printf( "/*\n" );
108 printf( " * This file is automatically generated from the Mesa internal type\n" );
109 printf( " * definitions. Do not edit directly.\n" );
110 printf( " */\n" );
111 printf( "\n" );
112 printf( "#ifndef __ASM_TYPES_H__\n" );
113 printf( "#define __ASM_TYPES_H__\n" );
114 printf( "\n" );
115
116
117 /* struct gl_context offsets:
118 */
119 OFFSET_HEADER( "struct gl_context" );
120
121 printf( "\n" );
122 OFFSET( "CTX_LIGHT_ENABLED ", struct gl_context, Light.Enabled );
123 OFFSET( "CTX_LIGHT_SHADE_MODEL ", struct gl_context, Light.ShadeModel );
124 OFFSET( "CTX_LIGHT_COLOR_MAT_FACE ", struct gl_context, Light.ColorMaterialFace );
125 OFFSET( "CTX_LIGHT_COLOR_MAT_MODE ", struct gl_context, Light.ColorMaterialMode );
126 OFFSET( "CTX_LIGHT_COLOR_MAT_MASK ", struct gl_context, Light._ColorMaterialBitmask );
127 OFFSET( "CTX_LIGHT_COLOR_MAT_ENABLED ", struct gl_context, Light.ColorMaterialEnabled );
128 OFFSET( "CTX_LIGHT_ENABLED_LIGHTS ", struct gl_context, Light._EnabledLights );
129 OFFSET( "CTX_LIGHT_NEED_VERTS ", struct gl_context, Light._NeedVertices );
130 OFFSET( "CTX_LIGHT_BASE_COLOR ", struct gl_context, Light._BaseColor );
131
132
133 /* struct vertex_buffer offsets:
134 */
135 OFFSET_HEADER( "struct vertex_buffer" );
136
137 OFFSET( "VB_SIZE ", struct vertex_buffer, Size );
138 OFFSET( "VB_COUNT ", struct vertex_buffer, Count );
139 printf( "\n" );
140 OFFSET( "VB_ELTS ", struct vertex_buffer, Elts );
141 OFFSET( "VB_OBJ_PTR ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_POS] );
142 OFFSET( "VB_EYE_PTR ", struct vertex_buffer, EyePtr );
143 OFFSET( "VB_CLIP_PTR ", struct vertex_buffer, ClipPtr );
144 OFFSET( "VB_PROJ_CLIP_PTR ", struct vertex_buffer, NdcPtr );
145 OFFSET( "VB_CLIP_OR_MASK ", struct vertex_buffer, ClipOrMask );
146 OFFSET( "VB_CLIP_MASK ", struct vertex_buffer, ClipMask );
147 OFFSET( "VB_NORMAL_PTR ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_NORMAL] );
148 OFFSET( "VB_EDGE_FLAG ", struct vertex_buffer, EdgeFlag );
149 OFFSET( "VB_TEX0_COORD_PTR ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX0] );
150 OFFSET( "VB_TEX1_COORD_PTR ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX1] );
151 OFFSET( "VB_TEX2_COORD_PTR ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX2] );
152 OFFSET( "VB_TEX3_COORD_PTR ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_TEX3] );
153 OFFSET( "VB_INDEX_PTR ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_COLOR_INDEX] );
154 OFFSET( "VB_COLOR_PTR ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_COLOR0] );
155 OFFSET( "VB_SECONDARY_COLOR_PTR ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_COLOR1] );
156 OFFSET( "VB_FOG_COORD_PTR ", struct vertex_buffer, AttribPtr[_TNL_ATTRIB_FOG] );
157 OFFSET( "VB_PRIMITIVE ", struct vertex_buffer, Primitive );
158 printf( "\n" );
159
160 DEFINE_HEADER( "struct vertex_buffer" );
161
162 /* XXX use new labels here someday after vertex proram is done */
163 DEFINE( "VERT_BIT_OBJ ", VERT_BIT_POS );
164 DEFINE( "VERT_BIT_NORM ", VERT_BIT_NORMAL );
165 DEFINE( "VERT_BIT_RGBA ", VERT_BIT_COLOR0 );
166 DEFINE( "VERT_BIT_SPEC_RGB ", VERT_BIT_COLOR1 );
167 DEFINE( "VERT_BIT_FOG_COORD ", VERT_BIT_FOG );
168 DEFINE( "VERT_BIT_TEX0 ", VERT_BIT_TEX0 );
169 DEFINE( "VERT_BIT_TEX1 ", VERT_BIT_TEX1 );
170 DEFINE( "VERT_BIT_TEX2 ", VERT_BIT_TEX2 );
171 DEFINE( "VERT_BIT_TEX3 ", VERT_BIT_TEX3 );
172
173
174 /* GLvector4f offsets:
175 */
176 OFFSET_HEADER( "GLvector4f" );
177
178 OFFSET( "V4F_DATA ", GLvector4f, data );
179 OFFSET( "V4F_START ", GLvector4f, start );
180 OFFSET( "V4F_COUNT ", GLvector4f, count );
181 OFFSET( "V4F_STRIDE ", GLvector4f, stride );
182 OFFSET( "V4F_SIZE ", GLvector4f, size );
183 OFFSET( "V4F_FLAGS ", GLvector4f, flags );
184
185 DEFINE_HEADER( "GLvector4f" );
186
187 DEFINE( "VEC_MALLOC ", VEC_MALLOC );
188 DEFINE( "VEC_NOT_WRITEABLE ", VEC_NOT_WRITEABLE );
189 DEFINE( "VEC_BAD_STRIDE ", VEC_BAD_STRIDE );
190 printf( "\n" );
191 DEFINE( "VEC_SIZE_1 ", VEC_SIZE_1 );
192 DEFINE( "VEC_SIZE_2 ", VEC_SIZE_2 );
193 DEFINE( "VEC_SIZE_3 ", VEC_SIZE_3 );
194 DEFINE( "VEC_SIZE_4 ", VEC_SIZE_4 );
195
196
197 /* GLmatrix offsets:
198 */
199 OFFSET_HEADER( "GLmatrix" );
200
201 OFFSET( "MATRIX_DATA ", GLmatrix, m );
202 OFFSET( "MATRIX_INV ", GLmatrix, inv );
203 OFFSET( "MATRIX_FLAGS ", GLmatrix, flags );
204 OFFSET( "MATRIX_TYPE ", GLmatrix, type );
205
206
207 /* struct gl_light offsets:
208 */
209 OFFSET_HEADER( "struct gl_light" );
210
211 printf( "\n" );
212 OFFSET( "LIGHT_AMBIENT ", struct gl_light, Ambient );
213 OFFSET( "LIGHT_DIFFUSE ", struct gl_light, Diffuse );
214 OFFSET( "LIGHT_SPECULAR ", struct gl_light, Specular );
215 OFFSET( "LIGHT_EYE_POSITION ", struct gl_light, EyePosition );
216 OFFSET( "LIGHT_SPOT_DIRECTION ", struct gl_light, SpotDirection );
217 OFFSET( "LIGHT_SPOT_EXPONENT ", struct gl_light, SpotExponent );
218 OFFSET( "LIGHT_SPOT_CUTOFF ", struct gl_light, SpotCutoff );
219 OFFSET( "LIGHT_COS_CUTOFF ", struct gl_light, _CosCutoff );
220 OFFSET( "LIGHT_CONST_ATTEN ", struct gl_light, ConstantAttenuation );
221 OFFSET( "LIGHT_LINEAR_ATTEN ", struct gl_light, LinearAttenuation );
222 OFFSET( "LIGHT_QUADRATIC_ATTEN ", struct gl_light, QuadraticAttenuation );
223 OFFSET( "LIGHT_ENABLED ", struct gl_light, Enabled );
224 printf( "\n" );
225 OFFSET( "LIGHT_FLAGS ", struct gl_light, _Flags );
226 printf( "\n" );
227 OFFSET( "LIGHT_POSITION ", struct gl_light, _Position );
228 OFFSET( "LIGHT_VP_INF_NORM ", struct gl_light, _VP_inf_norm );
229 OFFSET( "LIGHT_H_INF_NORM ", struct gl_light, _h_inf_norm );
230 OFFSET( "LIGHT_NORM_DIRECTION ", struct gl_light, _NormSpotDirection );
231 OFFSET( "LIGHT_VP_INF_SPOT_ATTEN ", struct gl_light, _VP_inf_spot_attenuation );
232 printf( "\n" );
233 OFFSET( "LIGHT_MAT_AMBIENT ", struct gl_light, _MatAmbient );
234 OFFSET( "LIGHT_MAT_DIFFUSE ", struct gl_light, _MatDiffuse );
235 OFFSET( "LIGHT_MAT_SPECULAR ", struct gl_light, _MatSpecular );
236 printf( "\n" );
237 SIZEOF( "SIZEOF_GL_LIGHT ", struct gl_light );
238
239 DEFINE_HEADER( "struct gl_light" );
240
241 DEFINE( "LIGHT_SPOT ", LIGHT_SPOT );
242 DEFINE( "LIGHT_LOCAL_VIEWER ", LIGHT_LOCAL_VIEWER );
243 DEFINE( "LIGHT_POSITIONAL ", LIGHT_POSITIONAL );
244 printf( "\n" );
245 DEFINE( "LIGHT_NEED_VERTICES ", LIGHT_NEED_VERTICES );
246
247
248 /* struct gl_lightmodel offsets:
249 */
250 OFFSET_HEADER( "struct gl_lightmodel" );
251
252 OFFSET( "LIGHT_MODEL_AMBIENT ", struct gl_lightmodel, Ambient );
253 OFFSET( "LIGHT_MODEL_LOCAL_VIEWER ", struct gl_lightmodel, LocalViewer );
254 OFFSET( "LIGHT_MODEL_TWO_SIDE ", struct gl_lightmodel, TwoSide );
255 OFFSET( "LIGHT_MODEL_COLOR_CONTROL ", struct gl_lightmodel, ColorControl );
256
257
258 printf( "\n" );
259 printf( "\n" );
260 printf( "#endif /* __ASM_TYPES_H__ */\n" );
261
262 return 0;
263 }
264