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1 /*
2  * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
3  * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice including the dates of first publication and
13  * either this permission notice or a reference to
14  * http://oss.sgi.com/projects/FreeB/
15  * shall be included 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  * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
22  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24  *
25  * Except as contained in this notice, the name of Silicon Graphics, Inc.
26  * shall not be used in advertising or otherwise to promote the sale, use or
27  * other dealings in this Software without prior written authorization from
28  * Silicon Graphics, Inc.
29  */
30 
31 #ifndef GLX_USE_APPLEGL
32 
33 #include "packrender.h"
34 #include "indirect.h"
35 #include "indirect_size.h"
36 
37 /*
38 ** This file contains routines that might need to be transported as
39 ** GLXRender or GLXRenderLarge commands, and these commands don't
40 ** use the pixel header.  See renderpix.c for those routines.
41 */
42 
43 void
__indirect_glMap1d(GLenum target,GLdouble u1,GLdouble u2,GLint stride,GLint order,const GLdouble * pnts)44 __indirect_glMap1d(GLenum target, GLdouble u1, GLdouble u2, GLint stride,
45                    GLint order, const GLdouble * pnts)
46 {
47    __GLX_DECLARE_VARIABLES();
48    GLint k;
49 
50    __GLX_LOAD_VARIABLES();
51    k = __glMap1d_size(target);
52    if (k == 0) {
53       __glXSetError(gc, GL_INVALID_ENUM);
54       return;
55    }
56    else if (stride < k || order <= 0) {
57       __glXSetError(gc, GL_INVALID_VALUE);
58       return;
59    }
60    compsize = k * order * __GLX_SIZE_FLOAT64;
61    cmdlen = 28 + compsize;
62    if (!gc->currentDpy)
63       return;
64 
65    if (cmdlen <= gc->maxSmallRenderCommandSize) {
66       /* Use GLXRender protocol to send small command */
67       __GLX_BEGIN_VARIABLE(X_GLrop_Map1d, cmdlen);
68       __GLX_PUT_DOUBLE(4, u1);
69       __GLX_PUT_DOUBLE(12, u2);
70       __GLX_PUT_LONG(20, target);
71       __GLX_PUT_LONG(24, order);
72       /*
73        ** NOTE: the doubles that follow are not aligned because of 3
74        ** longs preceeding
75        */
76       __glFillMap1d(k, order, stride, pnts, (pc + 28));
77       __GLX_END(cmdlen);
78    }
79    else {
80       /* Use GLXRenderLarge protocol to send command */
81       __GLX_BEGIN_VARIABLE_LARGE(X_GLrop_Map1d, cmdlen + 4);
82       __GLX_PUT_DOUBLE(8, u1);
83       __GLX_PUT_DOUBLE(16, u2);
84       __GLX_PUT_LONG(24, target);
85       __GLX_PUT_LONG(28, order);
86 
87       /*
88        ** NOTE: the doubles that follow are not aligned because of 3
89        ** longs preceeding
90        */
91       if (stride != k) {
92          GLubyte *buf;
93 
94          buf = malloc(compsize);
95          if (!buf) {
96             __glXSetError(gc, GL_OUT_OF_MEMORY);
97             return;
98          }
99          __glFillMap1d(k, order, stride, pnts, buf);
100          __glXSendLargeCommand(gc, pc, 32, buf, compsize);
101          free((char *) buf);
102       }
103       else {
104          /* Data is already packed.  Just send it out */
105          __glXSendLargeCommand(gc, pc, 32, pnts, compsize);
106       }
107    }
108 }
109 
110 void
__indirect_glMap1f(GLenum target,GLfloat u1,GLfloat u2,GLint stride,GLint order,const GLfloat * pnts)111 __indirect_glMap1f(GLenum target, GLfloat u1, GLfloat u2, GLint stride,
112                    GLint order, const GLfloat * pnts)
113 {
114    __GLX_DECLARE_VARIABLES();
115    GLint k;
116 
117    __GLX_LOAD_VARIABLES();
118    k = __glMap1f_size(target);
119    if (k == 0) {
120       __glXSetError(gc, GL_INVALID_ENUM);
121       return;
122    }
123    else if (stride < k || order <= 0) {
124       __glXSetError(gc, GL_INVALID_VALUE);
125       return;
126    }
127    compsize = k * order * __GLX_SIZE_FLOAT32;
128    cmdlen = 20 + compsize;
129    if (!gc->currentDpy)
130       return;
131 
132    /*
133     ** The order that arguments are packed is different from the order
134     ** for glMap1d.
135     */
136    if (cmdlen <= gc->maxSmallRenderCommandSize) {
137       /* Use GLXRender protocol to send small command */
138       __GLX_BEGIN_VARIABLE(X_GLrop_Map1f, cmdlen);
139       __GLX_PUT_LONG(4, target);
140       __GLX_PUT_FLOAT(8, u1);
141       __GLX_PUT_FLOAT(12, u2);
142       __GLX_PUT_LONG(16, order);
143       __glFillMap1f(k, order, stride, pnts, (GLubyte *) (pc + 20));
144       __GLX_END(cmdlen);
145    }
146    else {
147       /* Use GLXRenderLarge protocol to send command */
148       __GLX_BEGIN_VARIABLE_LARGE(X_GLrop_Map1f, cmdlen + 4);
149       __GLX_PUT_LONG(8, target);
150       __GLX_PUT_FLOAT(12, u1);
151       __GLX_PUT_FLOAT(16, u2);
152       __GLX_PUT_LONG(20, order);
153 
154       if (stride != k) {
155          GLubyte *buf;
156 
157          buf = malloc(compsize);
158          if (!buf) {
159             __glXSetError(gc, GL_OUT_OF_MEMORY);
160             return;
161          }
162          __glFillMap1f(k, order, stride, pnts, buf);
163          __glXSendLargeCommand(gc, pc, 24, buf, compsize);
164          free((char *) buf);
165       }
166       else {
167          /* Data is already packed.  Just send it out */
168          __glXSendLargeCommand(gc, pc, 24, pnts, compsize);
169       }
170    }
171 }
172 
173 void
__indirect_glMap2d(GLenum target,GLdouble u1,GLdouble u2,GLint ustr,GLint uord,GLdouble v1,GLdouble v2,GLint vstr,GLint vord,const GLdouble * pnts)174 __indirect_glMap2d(GLenum target, GLdouble u1, GLdouble u2, GLint ustr,
175                    GLint uord, GLdouble v1, GLdouble v2, GLint vstr,
176                    GLint vord, const GLdouble * pnts)
177 {
178    __GLX_DECLARE_VARIABLES();
179    GLint k;
180 
181    __GLX_LOAD_VARIABLES();
182    k = __glMap2d_size(target);
183    if (k == 0) {
184       __glXSetError(gc, GL_INVALID_ENUM);
185       return;
186    }
187    else if (vstr < k || ustr < k || vord <= 0 || uord <= 0) {
188       __glXSetError(gc, GL_INVALID_VALUE);
189       return;
190    }
191    compsize = k * uord * vord * __GLX_SIZE_FLOAT64;
192    cmdlen = 48 + compsize;
193    if (!gc->currentDpy)
194       return;
195 
196    if (cmdlen <= gc->maxSmallRenderCommandSize) {
197       /* Use GLXRender protocol to send small command */
198       __GLX_BEGIN_VARIABLE(X_GLrop_Map2d, cmdlen);
199       __GLX_PUT_DOUBLE(4, u1);
200       __GLX_PUT_DOUBLE(12, u2);
201       __GLX_PUT_DOUBLE(20, v1);
202       __GLX_PUT_DOUBLE(28, v2);
203       __GLX_PUT_LONG(36, target);
204       __GLX_PUT_LONG(40, uord);
205       __GLX_PUT_LONG(44, vord);
206       /*
207        ** Pack into a u-major ordering.
208        ** NOTE: the doubles that follow are not aligned because of 5
209        ** longs preceeding
210        */
211       __glFillMap2d(k, uord, vord, ustr, vstr, pnts, (GLdouble *) (pc + 48));
212       __GLX_END(cmdlen);
213    }
214    else {
215       /* Use GLXRenderLarge protocol to send command */
216       __GLX_BEGIN_VARIABLE_LARGE(X_GLrop_Map2d, cmdlen + 4);
217       __GLX_PUT_DOUBLE(8, u1);
218       __GLX_PUT_DOUBLE(16, u2);
219       __GLX_PUT_DOUBLE(24, v1);
220       __GLX_PUT_DOUBLE(32, v2);
221       __GLX_PUT_LONG(40, target);
222       __GLX_PUT_LONG(44, uord);
223       __GLX_PUT_LONG(48, vord);
224 
225       /*
226        ** NOTE: the doubles that follow are not aligned because of 5
227        ** longs preceeding
228        */
229       if ((vstr != k) || (ustr != k * vord)) {
230          GLdouble *buf;
231 
232          buf = malloc(compsize);
233          if (!buf) {
234             __glXSetError(gc, GL_OUT_OF_MEMORY);
235             return;
236          }
237          /*
238           ** Pack into a u-major ordering.
239           */
240          __glFillMap2d(k, uord, vord, ustr, vstr, pnts, buf);
241          __glXSendLargeCommand(gc, pc, 52, buf, compsize);
242          free((char *) buf);
243       }
244       else {
245          /* Data is already packed.  Just send it out */
246          __glXSendLargeCommand(gc, pc, 52, pnts, compsize);
247       }
248    }
249 }
250 
251 void
__indirect_glMap2f(GLenum target,GLfloat u1,GLfloat u2,GLint ustr,GLint uord,GLfloat v1,GLfloat v2,GLint vstr,GLint vord,const GLfloat * pnts)252 __indirect_glMap2f(GLenum target, GLfloat u1, GLfloat u2, GLint ustr,
253                    GLint uord, GLfloat v1, GLfloat v2, GLint vstr, GLint vord,
254                    const GLfloat * pnts)
255 {
256    __GLX_DECLARE_VARIABLES();
257    GLint k;
258 
259    __GLX_LOAD_VARIABLES();
260    k = __glMap2f_size(target);
261    if (k == 0) {
262       __glXSetError(gc, GL_INVALID_ENUM);
263       return;
264    }
265    else if (vstr < k || ustr < k || vord <= 0 || uord <= 0) {
266       __glXSetError(gc, GL_INVALID_VALUE);
267       return;
268    }
269    compsize = k * uord * vord * __GLX_SIZE_FLOAT32;
270    cmdlen = 32 + compsize;
271    if (!gc->currentDpy)
272       return;
273 
274    /*
275     ** The order that arguments are packed is different from the order
276     ** for glMap2d.
277     */
278    if (cmdlen <= gc->maxSmallRenderCommandSize) {
279       /* Use GLXRender protocol to send small command */
280       __GLX_BEGIN_VARIABLE(X_GLrop_Map2f, cmdlen);
281       __GLX_PUT_LONG(4, target);
282       __GLX_PUT_FLOAT(8, u1);
283       __GLX_PUT_FLOAT(12, u2);
284       __GLX_PUT_LONG(16, uord);
285       __GLX_PUT_FLOAT(20, v1);
286       __GLX_PUT_FLOAT(24, v2);
287       __GLX_PUT_LONG(28, vord);
288       /*
289        ** Pack into a u-major ordering.
290        */
291       __glFillMap2f(k, uord, vord, ustr, vstr, pnts, (GLfloat *) (pc + 32));
292       __GLX_END(cmdlen);
293    }
294    else {
295       /* Use GLXRenderLarge protocol to send command */
296       __GLX_BEGIN_VARIABLE_LARGE(X_GLrop_Map2f, cmdlen + 4);
297       __GLX_PUT_LONG(8, target);
298       __GLX_PUT_FLOAT(12, u1);
299       __GLX_PUT_FLOAT(16, u2);
300       __GLX_PUT_LONG(20, uord);
301       __GLX_PUT_FLOAT(24, v1);
302       __GLX_PUT_FLOAT(28, v2);
303       __GLX_PUT_LONG(32, vord);
304 
305       if ((vstr != k) || (ustr != k * vord)) {
306          GLfloat *buf;
307 
308          buf = malloc(compsize);
309          if (!buf) {
310             __glXSetError(gc, GL_OUT_OF_MEMORY);
311             return;
312          }
313          /*
314           ** Pack into a u-major ordering.
315           */
316          __glFillMap2f(k, uord, vord, ustr, vstr, pnts, buf);
317          __glXSendLargeCommand(gc, pc, 36, buf, compsize);
318          free((char *) buf);
319       }
320       else {
321          /* Data is already packed.  Just send it out */
322          __glXSendLargeCommand(gc, pc, 36, pnts, compsize);
323       }
324    }
325 }
326 
327 void
__indirect_glEnable(GLenum cap)328 __indirect_glEnable(GLenum cap)
329 {
330    __GLX_DECLARE_VARIABLES();
331 
332    __GLX_LOAD_VARIABLES();
333    if (!gc->currentDpy)
334       return;
335 
336    switch (cap) {
337    case GL_COLOR_ARRAY:
338    case GL_EDGE_FLAG_ARRAY:
339    case GL_INDEX_ARRAY:
340    case GL_NORMAL_ARRAY:
341    case GL_TEXTURE_COORD_ARRAY:
342    case GL_VERTEX_ARRAY:
343    case GL_SECONDARY_COLOR_ARRAY:
344    case GL_FOG_COORD_ARRAY:
345       __indirect_glEnableClientState(cap);
346       return;
347    default:
348       break;
349    }
350 
351    __GLX_BEGIN(X_GLrop_Enable, 8);
352    __GLX_PUT_LONG(4, cap);
353    __GLX_END(8);
354 }
355 
356 void
__indirect_glDisable(GLenum cap)357 __indirect_glDisable(GLenum cap)
358 {
359    __GLX_DECLARE_VARIABLES();
360 
361    __GLX_LOAD_VARIABLES();
362    if (!gc->currentDpy)
363       return;
364 
365    switch (cap) {
366    case GL_COLOR_ARRAY:
367    case GL_EDGE_FLAG_ARRAY:
368    case GL_INDEX_ARRAY:
369    case GL_NORMAL_ARRAY:
370    case GL_TEXTURE_COORD_ARRAY:
371    case GL_VERTEX_ARRAY:
372    case GL_SECONDARY_COLOR_ARRAY:
373    case GL_FOG_COORD_ARRAY:
374       __indirect_glDisableClientState(cap);
375       return;
376    default:
377       break;
378    }
379 
380    __GLX_BEGIN(X_GLrop_Disable, 8);
381    __GLX_PUT_LONG(4, cap);
382    __GLX_END(8);
383 }
384 
385 #endif
386