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