1 /*
2  * Mesa 3-D graphics library
3  * Version:  6.5.1
4  *
5  * Copyright (C) 1999-2006  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  * \brief  Templates for vector conversions.
27  * \author Keith Whitwell.
28  */
29 
30 #ifdef DEST_4F
DEST_4F(GLfloat (* t)[4],CONST void * ptr,GLuint stride,ARGS)31 static void DEST_4F( GLfloat (*t)[4],
32 		     CONST void *ptr,
33 		     GLuint stride,
34 		     ARGS )
35 {
36    const GLubyte *f = (GLubyte *) ptr + SRC_START * stride;
37    const GLubyte *first = f;
38    GLuint i;
39 
40    (void) first;
41    (void) start;
42    for (i = DST_START ; i < n ; i++, NEXT_F) {
43       CHECK {
44          NEXT_F2;
45 	 if (SZ >= 1) t[i][0] = TRX_4F(f, 0);
46 	 if (SZ >= 2) t[i][1] = TRX_4F(f, 1);
47 	 if (SZ >= 3) t[i][2] = TRX_4F(f, 2);
48 	 if (SZ == 4) t[i][3] = TRX_4F(f, 3); else t[i][3] = 1.0;
49       }
50    }
51 }
52 #endif
53 
54 
55 
56 #ifdef DEST_4FN
DEST_4FN(GLfloat (* t)[4],CONST void * ptr,GLuint stride,ARGS)57 static void DEST_4FN( GLfloat (*t)[4],
58 		      CONST void *ptr,
59 		      GLuint stride,
60 		      ARGS )
61 {
62    const GLubyte *f = (GLubyte *) ptr + SRC_START * stride;
63    const GLubyte *first = f;
64    GLuint i;
65 
66    (void) first;
67    (void) start;
68    for (i = DST_START ; i < n ; i++, NEXT_F) {
69       CHECK {
70          NEXT_F2;
71 	 if (SZ >= 1) t[i][0] = TRX_4FN(f, 0);
72 	 if (SZ >= 2) t[i][1] = TRX_4FN(f, 1);
73 	 if (SZ >= 3) t[i][2] = TRX_4FN(f, 2);
74 	 if (SZ == 4) t[i][3] = TRX_4FN(f, 3); else t[i][3] = 1.0;
75       }
76    }
77 }
78 #endif
79 
80 
81 #ifdef DEST_3FN
DEST_3FN(GLfloat (* t)[3],CONST void * ptr,GLuint stride,ARGS)82 static void DEST_3FN( GLfloat (*t)[3],
83 		     CONST void *ptr,
84 		     GLuint stride,
85 		     ARGS )
86 {
87    const GLubyte *f = (GLubyte *) ptr + SRC_START * stride;
88    const GLubyte *first = f;
89    GLuint i;
90    (void) first;
91    (void) start;
92    for (i = DST_START ; i < n ; i++, NEXT_F) {
93       CHECK {
94          NEXT_F2;
95 	 t[i][0] = TRX_3FN(f, 0);
96 	 t[i][1] = TRX_3FN(f, 1);
97 	 t[i][2] = TRX_3FN(f, 2);
98       }
99    }
100 }
101 #endif
102 
103 #ifdef DEST_1F
DEST_1F(GLfloat * t,CONST void * ptr,GLuint stride,ARGS)104 static void DEST_1F( GLfloat *t,
105 		     CONST void *ptr,
106 		     GLuint stride,
107 		     ARGS )
108 {
109    const GLubyte *f = (GLubyte *) ptr + SRC_START * stride;
110    const GLubyte *first = f;
111    GLuint i;
112    (void) first;
113    (void) start;
114    for (i = DST_START ; i < n ; i++, NEXT_F) {
115       CHECK {
116          NEXT_F2;
117 	 t[i] = TRX_1F(f, 0);
118       }
119    }
120 }
121 #endif
122 
123 #ifdef DEST_4UB
DEST_4UB(GLubyte (* t)[4],CONST void * ptr,GLuint stride,ARGS)124 static void DEST_4UB( GLubyte (*t)[4],
125                       CONST void *ptr,
126                       GLuint stride,
127                       ARGS )
128 {
129    const GLubyte *f = (GLubyte *) ptr + SRC_START * stride;
130    const GLubyte *first = f;
131    GLuint i;
132    (void) start;
133    (void) first;
134    for (i = DST_START ; i < n ; i++, NEXT_F) {
135       CHECK {
136          NEXT_F2;
137 	 if (SZ >= 1) TRX_UB(t[i][0], f, 0);
138 	 if (SZ >= 2) TRX_UB(t[i][1], f, 1);
139 	 if (SZ >= 3) TRX_UB(t[i][2], f, 2);
140 	 if (SZ == 4) TRX_UB(t[i][3], f, 3); else t[i][3] = 255;
141       }
142    }
143 }
144 #endif
145 
146 
147 #ifdef DEST_4US
DEST_4US(GLushort (* t)[4],CONST void * ptr,GLuint stride,ARGS)148 static void DEST_4US( GLushort (*t)[4],
149                       CONST void *ptr,
150                       GLuint stride,
151                       ARGS )
152 {
153    const GLubyte *f = (GLubyte *) ((GLubyte *) ptr + SRC_START * stride);
154    const GLubyte *first = f;
155    GLuint i;
156    (void) start;
157    (void) first;
158    for (i = DST_START ; i < n ; i++, NEXT_F) {
159       CHECK {
160          NEXT_F2;
161 	 if (SZ >= 1) TRX_US(t[i][0], f, 0);
162 	 if (SZ >= 2) TRX_US(t[i][1], f, 1);
163 	 if (SZ >= 3) TRX_US(t[i][2], f, 2);
164 	 if (SZ == 4) TRX_US(t[i][3], f, 3); else t[i][3] = 65535;
165       }
166    }
167 }
168 #endif
169 
170 
171 #ifdef DEST_1UB
DEST_1UB(GLubyte * t,CONST void * ptr,GLuint stride,ARGS)172 static void DEST_1UB( GLubyte *t,
173 		      CONST void *ptr,
174 		      GLuint stride,
175 		      ARGS )
176 {
177    const GLubyte *f = (GLubyte *) ptr + SRC_START * stride;
178    const GLubyte *first = f;
179    GLuint i;
180    (void) start;
181    (void) first;
182    for (i = DST_START ; i < n ; i++, NEXT_F) {
183       CHECK {
184          NEXT_F2;
185 	  TRX_UB(t[i], f, 0);
186       }
187    }
188 }
189 #endif
190 
191 
192 #ifdef DEST_1UI
DEST_1UI(GLuint * t,CONST void * ptr,GLuint stride,ARGS)193 static void DEST_1UI( GLuint *t,
194 		      CONST void *ptr,
195 		      GLuint stride,
196 		      ARGS )
197 {
198    const GLubyte *f = (GLubyte *) ptr + SRC_START * stride;
199    const GLubyte *first = f;
200    GLuint i;
201    (void) start;
202    (void) first;
203 
204    for (i = DST_START ; i < n ; i++, NEXT_F) {
205       CHECK {
206          NEXT_F2;
207 	 t[i] = TRX_UI(f, 0);
208       }
209    }
210 }
211 #endif
212 
213 
INIT(void)214 static void INIT(void)
215 {
216 #ifdef DEST_1UI
217    ASSERT(SZ == 1);
218    TAB(_1ui)[SRC_IDX] = DEST_1UI;
219 #endif
220 #ifdef DEST_1UB
221    ASSERT(SZ == 1);
222    TAB(_1ub)[SRC_IDX] = DEST_1UB;
223 #endif
224 #ifdef DEST_1F
225    ASSERT(SZ == 1);
226    TAB(_1f)[SRC_IDX] = DEST_1F;
227 #endif
228 #ifdef DEST_3FN
229    ASSERT(SZ == 3);
230    TAB(_3fn)[SRC_IDX] = DEST_3FN;
231 #endif
232 #ifdef DEST_4UB
233    TAB(_4ub)[SZ][SRC_IDX] = DEST_4UB;
234 #endif
235 #ifdef DEST_4US
236    TAB(_4us)[SZ][SRC_IDX] = DEST_4US;
237 #endif
238 #ifdef DEST_4F
239    TAB(_4f)[SZ][SRC_IDX] = DEST_4F;
240 #endif
241 #ifdef DEST_4FN
242    TAB(_4fn)[SZ][SRC_IDX] = DEST_4FN;
243 #endif
244 
245 }
246 
247 
248 #ifdef INIT
249 #undef INIT
250 #endif
251 #ifdef DEST_1UI
252 #undef DEST_1UI
253 #endif
254 #ifdef DEST_1UB
255 #undef DEST_1UB
256 #endif
257 #ifdef DEST_4UB
258 #undef DEST_4UB
259 #endif
260 #ifdef DEST_4US
261 #undef DEST_4US
262 #endif
263 #ifdef DEST_3FN
264 #undef DEST_3FN
265 #endif
266 #ifdef DEST_4F
267 #undef DEST_4F
268 #endif
269 #ifdef DEST_4FN
270 #undef DEST_4FN
271 #endif
272 #ifdef DEST_1F
273 #undef DEST_1F
274 #endif
275 #ifdef SZ
276 #undef SZ
277 #endif
278 #ifdef TAG
279 #undef TAG
280 #endif
281 
282