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Major check-in of changes for GL_EXT_framebuffer_object extension.
[mesa.git] / src / mesa / drivers / x11 / xm_tri.c
1 /*
2 * Mesa 3-D graphics library
3 * Version: 6.3
4 *
5 * Copyright (C) 1999-2004 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 /*
27 * This file contains "accelerated" triangle functions. It should be
28 * fairly easy to write new special-purpose triangle functions and hook
29 * them into this module.
30 */
31
32
33 #include "glxheader.h"
34 #include "depth.h"
35 #include "macros.h"
36 #include "imports.h"
37 #include "mtypes.h"
38 #include "xmesaP.h"
39
40 /* Internal swrast includes:
41 */
42 #include "swrast/s_context.h"
43 #include "swrast/s_depth.h"
44 #include "swrast/s_triangle.h"
45
46
47 #define GET_XRB(XRB) struct xmesa_renderbuffer *XRB = \
48 (struct xmesa_renderbuffer *) ctx->DrawBuffer->_ColorDrawBuffers[0][0]
49
50
51 /**********************************************************************/
52 /*** Triangle rendering ***/
53 /**********************************************************************/
54
55
56 /*
57 * XImage, smooth, depth-buffered, PF_TRUECOLOR triangle.
58 */
59 #define NAME smooth_TRUECOLOR_z_triangle
60 #define INTERP_Z 1
61 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
62 #define INTERP_RGB 1
63 #define SETUP_CODE \
64 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
65 GET_XRB(xrb);
66
67 #define RENDER_SPAN( span ) \
68 GLint x = span.x, y = YFLIP(xrb, span.y); \
69 GLuint i; \
70 for (i = 0; i < span.end; i++, x++) { \
71 const DEPTH_TYPE z = FixedToDepth(span.z); \
72 if (z < zRow[i]) { \
73 unsigned long p; \
74 PACK_TRUECOLOR(p, FixedToInt(span.red), \
75 FixedToInt(span.green), FixedToInt(span.blue)); \
76 XMesaPutPixel(xrb->ximage, x, y, p); \
77 zRow[i] = z; \
78 } \
79 span.red += span.redStep; \
80 span.green += span.greenStep; \
81 span.blue += span.blueStep; \
82 span.z += span.zStep; \
83 }
84
85 #include "swrast/s_tritemp.h"
86
87
88
89
90 /*
91 * XImage, smooth, depth-buffered, PF_8A8B8G8R triangle.
92 */
93 #define NAME smooth_8A8B8G8R_z_triangle
94 #define INTERP_Z 1
95 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
96 #define INTERP_RGB 1
97 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
98 #define PIXEL_TYPE GLuint
99 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
100 #define SETUP_CODE \
101 GET_XRB(xrb);
102 #define RENDER_SPAN( span ) \
103 GLuint i; \
104 for (i = 0; i < span.end; i++) { \
105 const DEPTH_TYPE z = FixedToDepth(span.z); \
106 if (z < zRow[i]) { \
107 pRow[i] = PACK_8B8G8R(FixedToInt(span.red), \
108 FixedToInt(span.green), FixedToInt(span.blue)); \
109 zRow[i] = z; \
110 } \
111 span.red += span.redStep; \
112 span.green += span.greenStep; \
113 span.blue += span.blueStep; \
114 span.z += span.zStep; \
115 }
116
117 #include "swrast/s_tritemp.h"
118
119
120
121 /*
122 * XImage, smooth, depth-buffered, PF_8A8R8G8B triangle.
123 */
124 #define NAME smooth_8A8R8G8B_z_triangle
125 #define INTERP_Z 1
126 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
127 #define INTERP_RGB 1
128 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
129 #define PIXEL_TYPE GLuint
130 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
131 #define SETUP_CODE \
132 GET_XRB(xrb);
133
134 #define RENDER_SPAN( span ) \
135 GLuint i; \
136 for (i = 0; i < span.end; i++) { \
137 const DEPTH_TYPE z = FixedToDepth(span.z); \
138 if (z < zRow[i]) { \
139 pRow[i] = PACK_8R8G8B(FixedToInt(span.red), \
140 FixedToInt(span.green), FixedToInt(span.blue)); \
141 zRow[i] = z; \
142 } \
143 span.red += span.redStep; \
144 span.green += span.greenStep; \
145 span.blue += span.blueStep; \
146 span.z += span.zStep; \
147 }
148
149 #include "swrast/s_tritemp.h"
150
151
152
153 /*
154 * XImage, smooth, depth-buffered, PF_8R8G8B triangle.
155 */
156 #define NAME smooth_8R8G8B_z_triangle
157 #define INTERP_Z 1
158 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
159 #define INTERP_RGB 1
160 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
161 #define PIXEL_TYPE GLuint
162 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
163 #define SETUP_CODE \
164 GET_XRB(xrb);
165
166 #define RENDER_SPAN( span ) \
167 GLuint i; \
168 for (i = 0; i < span.end; i++) { \
169 const DEPTH_TYPE z = FixedToDepth(span.z); \
170 if (z < zRow[i]) { \
171 pRow[i] = PACK_8R8G8B(FixedToInt(span.red), \
172 FixedToInt(span.green), FixedToInt(span.blue)); \
173 zRow[i] = z; \
174 } \
175 span.red += span.redStep; \
176 span.green += span.greenStep; \
177 span.blue += span.blueStep; \
178 span.z += span.zStep; \
179 }
180
181 #include "swrast/s_tritemp.h"
182
183
184
185 /*
186 * XImage, smooth, depth-buffered, PF_8R8G8B24 triangle.
187 */
188 #define NAME smooth_8R8G8B24_z_triangle
189 #define INTERP_Z 1
190 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
191 #define INTERP_RGB 1
192 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y)
193 #define PIXEL_TYPE bgr_t
194 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
195 #define SETUP_CODE \
196 GET_XRB(xrb);
197 #define RENDER_SPAN( span ) \
198 GLuint i; \
199 for (i = 0; i < span.end; i++) { \
200 const DEPTH_TYPE z = FixedToDepth(span.z); \
201 if (z < zRow[i]) { \
202 PIXEL_TYPE *ptr = pRow + i; \
203 ptr->r = FixedToInt(span.red); \
204 ptr->g = FixedToInt(span.green); \
205 ptr->b = FixedToInt(span.blue); \
206 zRow[i] = z; \
207 } \
208 span.red += span.redStep; \
209 span.green += span.greenStep; \
210 span.blue += span.blueStep; \
211 span.z += span.zStep; \
212 }
213 #include "swrast/s_tritemp.h"
214
215
216
217 /*
218 * XImage, smooth, depth-buffered, PF_TRUEDITHER triangle.
219 */
220 #define NAME smooth_TRUEDITHER_z_triangle
221 #define INTERP_Z 1
222 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
223 #define INTERP_RGB 1
224 #define SETUP_CODE \
225 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
226 GET_XRB(xrb);
227 #define RENDER_SPAN( span ) \
228 GLuint i; \
229 GLint x = span.x, y = YFLIP(xrb, span.y); \
230 for (i = 0; i < span.end; i++, x++) { \
231 const DEPTH_TYPE z = FixedToDepth(span.z); \
232 if (z < zRow[i]) { \
233 unsigned long p; \
234 PACK_TRUEDITHER(p, x, y, FixedToInt(span.red), \
235 FixedToInt(span.green), FixedToInt(span.blue)); \
236 XMesaPutPixel(xrb->ximage, x, y, p); \
237 zRow[i] = z; \
238 } \
239 span.red += span.redStep; \
240 span.green += span.greenStep; \
241 span.blue += span.blueStep; \
242 span.z += span.zStep; \
243 }
244 #include "swrast/s_tritemp.h"
245
246
247
248 /*
249 * XImage, smooth, depth-buffered, PF_5R6G5B triangle.
250 */
251 #define NAME smooth_5R6G5B_z_triangle
252 #define INTERP_Z 1
253 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
254 #define INTERP_RGB 1
255 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
256 #define PIXEL_TYPE GLushort
257 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
258 #define SETUP_CODE \
259 GET_XRB(xrb);
260 #define RENDER_SPAN( span ) \
261 GLuint i; \
262 for (i = 0; i < span.end; i++) { \
263 const DEPTH_TYPE z = FixedToDepth(span.z); \
264 if (z < zRow[i]) { \
265 pRow[i] = PACK_5R6G5B(FixedToInt(span.red), \
266 FixedToInt(span.green), FixedToInt(span.blue)); \
267 zRow[i] = z; \
268 } \
269 span.red += span.redStep; \
270 span.green += span.greenStep; \
271 span.blue += span.blueStep; \
272 span.z += span.zStep; \
273 }
274 #include "swrast/s_tritemp.h"
275
276
277
278 /*
279 * XImage, smooth, depth-buffered, PF_DITHER_5R6G5B triangle.
280 */
281 #define NAME smooth_DITHER_5R6G5B_z_triangle
282 #define INTERP_Z 1
283 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
284 #define INTERP_RGB 1
285 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
286 #define PIXEL_TYPE GLushort
287 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
288 #define SETUP_CODE \
289 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
290 GET_XRB(xrb);
291 #define RENDER_SPAN( span ) \
292 GLuint i; \
293 GLint x = span.x, y = YFLIP(xrb, span.y); \
294 for (i = 0; i < span.end; i++, x++) { \
295 const DEPTH_TYPE z = FixedToDepth(span.z); \
296 if (z < zRow[i]) { \
297 PACK_TRUEDITHER(pRow[i], x, y, FixedToInt(span.red), \
298 FixedToInt(span.green), FixedToInt(span.blue)); \
299 zRow[i] = z; \
300 } \
301 span.red += span.redStep; \
302 span.green += span.greenStep; \
303 span.blue += span.blueStep; \
304 span.z += span.zStep; \
305 }
306 #include "swrast/s_tritemp.h"
307
308
309
310 /*
311 * XImage, smooth, depth-buffered, 8-bit, PF_DITHER8 triangle.
312 */
313 #define NAME smooth_DITHER8_z_triangle
314 #define INTERP_Z 1
315 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
316 #define INTERP_RGB 1
317 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
318 #define PIXEL_TYPE GLubyte
319 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
320 #define SETUP_CODE \
321 GET_XRB(xrb);
322 #define RENDER_SPAN( span ) \
323 GLuint i; \
324 GLint x = span.x, y = YFLIP(xrb, span.y); \
325 XDITHER_SETUP(y); \
326 for (i = 0; i < span.end; i++, x++) { \
327 const DEPTH_TYPE z = FixedToDepth(span.z); \
328 if (z < zRow[i]) { \
329 pRow[i] = (PIXEL_TYPE) XDITHER(x, FixedToInt(span.red),\
330 FixedToInt(span.green), FixedToInt(span.blue) ); \
331 zRow[i] = z; \
332 } \
333 span.red += span.redStep; \
334 span.green += span.greenStep; \
335 span.blue += span.blueStep; \
336 span.z += span.zStep; \
337 }
338 #include "swrast/s_tritemp.h"
339
340
341
342 /*
343 * XImage, smooth, depth-buffered, PF_DITHER triangle.
344 */
345 #define NAME smooth_DITHER_z_triangle
346 #define INTERP_Z 1
347 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
348 #define INTERP_RGB 1
349 #define SETUP_CODE \
350 GET_XRB(xrb); \
351 XMesaImage *img = xrb->ximage;
352 #define RENDER_SPAN( span ) \
353 GLuint i; \
354 GLint x = span.x, y = YFLIP(xrb, span.y); \
355 XDITHER_SETUP(y); \
356 for (i = 0; i < span.end; i++, x++) { \
357 const DEPTH_TYPE z = FixedToDepth(span.z); \
358 if (z < zRow[i]) { \
359 unsigned long p = XDITHER(x, FixedToInt(span.red), \
360 FixedToInt(span.green), FixedToInt(span.blue)); \
361 XMesaPutPixel(img, x, y, p); \
362 zRow[i] = z; \
363 } \
364 span.red += span.redStep; \
365 span.green += span.greenStep; \
366 span.blue += span.blueStep; \
367 span.z += span.zStep; \
368 }
369 #include "swrast/s_tritemp.h"
370
371
372
373 /*
374 * XImage, smooth, depth-buffered, 8-bit PF_LOOKUP triangle.
375 */
376 #define NAME smooth_LOOKUP8_z_triangle
377 #define INTERP_Z 1
378 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
379 #define INTERP_RGB 1
380 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
381 #define PIXEL_TYPE GLubyte
382 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
383 #define SETUP_CODE \
384 GET_XRB(xrb);
385 #define RENDER_SPAN( span ) \
386 GLuint i; \
387 LOOKUP_SETUP; \
388 for (i = 0; i < span.end; i++) { \
389 const DEPTH_TYPE z = FixedToDepth(span.z); \
390 if (z < zRow[i]) { \
391 pRow[i] = LOOKUP(FixedToInt(span.red), \
392 FixedToInt(span.green), FixedToInt(span.blue)); \
393 zRow[i] = z; \
394 } \
395 span.red += span.redStep; \
396 span.green += span.greenStep; \
397 span.blue += span.blueStep; \
398 span.z += span.zStep; \
399 }
400 #include "swrast/s_tritemp.h"
401
402
403
404 /*
405 * XImage, smooth, depth-buffered, 8-bit PF_HPCR triangle.
406 */
407 #define NAME smooth_HPCR_z_triangle
408 #define INTERP_Z 1
409 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
410 #define INTERP_RGB 1
411 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
412 #define PIXEL_TYPE GLubyte
413 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
414 #define SETUP_CODE \
415 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
416 GET_XRB(xrb);
417 #define RENDER_SPAN( span ) \
418 GLuint i; \
419 GLint x = span.x, y = YFLIP(xrb, span.y); \
420 for (i = 0; i < span.end; i++, x++) { \
421 const DEPTH_TYPE z = FixedToDepth(span.z); \
422 if (z < zRow[i]) { \
423 pRow[i] = DITHER_HPCR(x, y, FixedToInt(span.red), \
424 FixedToInt(span.green), FixedToInt(span.blue) ); \
425 zRow[i] = z; \
426 } \
427 span.red += span.redStep; \
428 span.green += span.greenStep; \
429 span.blue += span.blueStep; \
430 span.z += span.zStep; \
431 }
432 #include "swrast/s_tritemp.h"
433
434
435
436 /*
437 * XImage, flat, depth-buffered, PF_TRUECOLOR triangle.
438 */
439 #define NAME flat_TRUECOLOR_z_triangle
440 #define INTERP_Z 1
441 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
442 #define SETUP_CODE \
443 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
444 GET_XRB(xrb); \
445 XMesaImage *img = xrb->ximage; \
446 unsigned long pixel; \
447 PACK_TRUECOLOR(pixel, v2->color[0], v2->color[1], v2->color[2]);
448 #define RENDER_SPAN( span ) \
449 GLuint i; \
450 GLint x = span.x, y = YFLIP(xrb, span.y); \
451 for (i = 0; i < span.end; i++, x++) { \
452 const DEPTH_TYPE z = FixedToDepth(span.z); \
453 if (z < zRow[i]) { \
454 XMesaPutPixel(img, x, y, pixel); \
455 zRow[i] = z; \
456 } \
457 span.z += span.zStep; \
458 }
459 #include "swrast/s_tritemp.h"
460
461
462
463 /*
464 * XImage, flat, depth-buffered, PF_8A8B8G8R triangle.
465 */
466 #define NAME flat_8A8B8G8R_z_triangle
467 #define INTERP_Z 1
468 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
469 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
470 #define PIXEL_TYPE GLuint
471 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
472 #define SETUP_CODE \
473 GET_XRB(xrb); \
474 GLuint p = PACK_8B8G8R( v2->color[0], v2->color[1], v2->color[2] );
475 #define RENDER_SPAN( span ) \
476 GLuint i; \
477 for (i = 0; i < span.end; i++) { \
478 const DEPTH_TYPE z = FixedToDepth(span.z); \
479 if (z < zRow[i]) { \
480 pRow[i] = (PIXEL_TYPE) p; \
481 zRow[i] = z; \
482 } \
483 span.z += span.zStep; \
484 }
485 #include "swrast/s_tritemp.h"
486
487
488
489 /*
490 * XImage, flat, depth-buffered, PF_8A8R8G8B triangle.
491 */
492 #define NAME flat_8A8R8G8B_z_triangle
493 #define INTERP_Z 1
494 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
495 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
496 #define PIXEL_TYPE GLuint
497 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
498 #define SETUP_CODE \
499 GET_XRB(xrb); \
500 GLuint p = PACK_8R8G8B( v2->color[0], v2->color[1], v2->color[2] );
501 #define RENDER_SPAN( span ) \
502 GLuint i; \
503 for (i = 0; i < span.end; i++) { \
504 const DEPTH_TYPE z = FixedToDepth(span.z); \
505 if (z < zRow[i]) { \
506 pRow[i] = (PIXEL_TYPE) p; \
507 zRow[i] = z; \
508 } \
509 span.z += span.zStep; \
510 }
511 #include "swrast/s_tritemp.h"
512
513
514
515 /*
516 * XImage, flat, depth-buffered, PF_8R8G8B triangle.
517 */
518 #define NAME flat_8R8G8B_z_triangle
519 #define INTERP_Z 1
520 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
521 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
522 #define PIXEL_TYPE GLuint
523 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
524 #define SETUP_CODE \
525 GET_XRB(xrb); \
526 GLuint p = PACK_8R8G8B( v2->color[0], v2->color[1], v2->color[2] );
527 #define RENDER_SPAN( span ) \
528 GLuint i; \
529 for (i = 0; i < span.end; i++) { \
530 DEPTH_TYPE z = FixedToDepth(span.z); \
531 if (z < zRow[i]) { \
532 pRow[i] = (PIXEL_TYPE) p; \
533 zRow[i] = z; \
534 if (span.y == 100) printf("pass\n");\
535 } \
536 else if (span.y == 100) printf("fail\n");\
537 span.z += span.zStep; \
538 }
539
540 #include "swrast/s_tritemp.h"
541
542
543
544 /*
545 * XImage, flat, depth-buffered, PF_8R8G8B24 triangle.
546 */
547 #define NAME flat_8R8G8B24_z_triangle
548 #define INTERP_Z 1
549 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
550 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y)
551 #define PIXEL_TYPE bgr_t
552 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
553 #define SETUP_CODE \
554 GET_XRB(xrb); \
555 const GLubyte *color = v2->color;
556 #define RENDER_SPAN( span ) \
557 GLuint i; \
558 for (i = 0; i < span.end; i++) { \
559 const DEPTH_TYPE z = FixedToDepth(span.z); \
560 if (z < zRow[i]) { \
561 PIXEL_TYPE *ptr = pRow + i; \
562 ptr->r = color[RCOMP]; \
563 ptr->g = color[GCOMP]; \
564 ptr->b = color[BCOMP]; \
565 zRow[i] = z; \
566 } \
567 span.z += span.zStep; \
568 }
569 #include "swrast/s_tritemp.h"
570
571
572
573 /*
574 * XImage, flat, depth-buffered, PF_TRUEDITHER triangle.
575 */
576 #define NAME flat_TRUEDITHER_z_triangle
577 #define INTERP_Z 1
578 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
579 #define SETUP_CODE \
580 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
581 GET_XRB(xrb); \
582 XMesaImage *img = xrb->ximage;
583 #define RENDER_SPAN( span ) \
584 GLuint i; \
585 GLint x = span.x, y = YFLIP(xrb, span.y); \
586 for (i = 0; i < span.end; i++, x++) { \
587 const DEPTH_TYPE z = FixedToDepth(span.z); \
588 if (z < zRow[i]) { \
589 unsigned long p; \
590 PACK_TRUEDITHER(p, x, y, v2->color[0], \
591 v2->color[1], v2->color[2]); \
592 XMesaPutPixel(img, x, y, p); \
593 zRow[i] = z; \
594 } \
595 span.z += span.zStep; \
596 }
597 #include "swrast/s_tritemp.h"
598
599
600
601 /*
602 * XImage, flat, depth-buffered, PF_5R6G5B triangle.
603 */
604 #define NAME flat_5R6G5B_z_triangle
605 #define INTERP_Z 1
606 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
607 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
608 #define PIXEL_TYPE GLushort
609 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
610 #define SETUP_CODE \
611 GET_XRB(xrb); \
612 GLushort p = PACK_5R6G5B( v2->color[0], v2->color[1], v2->color[2] );
613 #define RENDER_SPAN( span ) \
614 GLuint i; \
615 for (i = 0; i < span.end; i++) { \
616 const DEPTH_TYPE z = FixedToDepth(span.z); \
617 if (z < zRow[i]) { \
618 pRow[i] = (PIXEL_TYPE) p; \
619 zRow[i] = z; \
620 } \
621 span.z += span.zStep; \
622 }
623 #include "swrast/s_tritemp.h"
624
625
626
627 /*
628 * XImage, flat, depth-buffered, PF_DITHER_5R6G5B triangle.
629 */
630 #define NAME flat_DITHER_5R6G5B_z_triangle
631 #define INTERP_Z 1
632 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
633 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
634 #define PIXEL_TYPE GLushort
635 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
636 #define SETUP_CODE \
637 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
638 GET_XRB(xrb); \
639 const GLubyte *color = v2->color;
640 #define RENDER_SPAN( span ) \
641 GLuint i; \
642 GLint x = span.x, y = YFLIP(xrb, span.y); \
643 for (i = 0; i < span.end; i++, x++) { \
644 const DEPTH_TYPE z = FixedToDepth(span.z); \
645 if (z < zRow[i]) { \
646 PACK_TRUEDITHER(pRow[i], x, y, color[RCOMP], \
647 color[GCOMP], color[BCOMP]); \
648 zRow[i] = z; \
649 } \
650 span.z += span.zStep; \
651 }
652 #include "swrast/s_tritemp.h"
653
654
655
656 /*
657 * XImage, flat, depth-buffered, 8-bit PF_DITHER triangle.
658 */
659 #define NAME flat_DITHER8_z_triangle
660 #define INTERP_Z 1
661 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
662 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
663 #define PIXEL_TYPE GLubyte
664 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
665 #define SETUP_CODE \
666 GET_XRB(xrb); \
667 FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] );
668 #define RENDER_SPAN( span ) \
669 GLuint i; \
670 GLint x = span.x, y = YFLIP(xrb, span.y); \
671 FLAT_DITHER_ROW_SETUP(YFLIP(xrb, y)); \
672 for (i = 0; i < span.end; i++, x++) { \
673 const DEPTH_TYPE z = FixedToDepth(span.z); \
674 if (z < zRow[i]) { \
675 pRow[i] = (PIXEL_TYPE) FLAT_DITHER(x); \
676 zRow[i] = z; \
677 } \
678 span.z += span.zStep; \
679 }
680 #include "swrast/s_tritemp.h"
681
682
683
684 /*
685 * XImage, flat, depth-buffered, PF_DITHER triangle.
686 */
687 #define NAME flat_DITHER_z_triangle
688 #define INTERP_Z 1
689 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
690 #define SETUP_CODE \
691 GET_XRB(xrb); \
692 XMesaImage *img = xrb->ximage; \
693 FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] );
694 #define RENDER_SPAN( span ) \
695 GLuint i; \
696 GLint x = span.x, y = YFLIP(xrb, span.y); \
697 FLAT_DITHER_ROW_SETUP(y); \
698 for (i = 0; i < span.end; i++, x++) { \
699 const DEPTH_TYPE z = FixedToDepth(span.z); \
700 if (z < zRow[i]) { \
701 unsigned long p = FLAT_DITHER(x); \
702 XMesaPutPixel(img, x, y, p); \
703 zRow[i] = z; \
704 } \
705 span.z += span.zStep; \
706 }
707 #include "swrast/s_tritemp.h"
708
709
710
711 /*
712 * XImage, flat, depth-buffered, 8-bit PF_HPCR triangle.
713 */
714 #define NAME flat_HPCR_z_triangle
715 #define INTERP_Z 1
716 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
717 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
718 #define PIXEL_TYPE GLubyte
719 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
720 #define SETUP_CODE \
721 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
722 GET_XRB(xrb); \
723 GLubyte r = v2->color[0]; \
724 GLubyte g = v2->color[1]; \
725 GLubyte b = v2->color[2];
726 #define RENDER_SPAN( span ) \
727 GLuint i; \
728 GLint x = span.x, y = YFLIP(xrb, span.y); \
729 for (i = 0; i < span.end; i++, x++) { \
730 const DEPTH_TYPE z = FixedToDepth(span.z); \
731 if (z < zRow[i]) { \
732 pRow[i] = (PIXEL_TYPE) DITHER_HPCR(x, y, r, g, b); \
733 zRow[i] = z; \
734 } \
735 span.z += span.zStep; \
736 }
737 #include "swrast/s_tritemp.h"
738
739
740
741 /*
742 * XImage, flat, depth-buffered, 8-bit PF_LOOKUP triangle.
743 */
744 #define NAME flat_LOOKUP8_z_triangle
745 #define INTERP_Z 1
746 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
747 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
748 #define PIXEL_TYPE GLubyte
749 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
750 #define SETUP_CODE \
751 GET_XRB(xrb); \
752 LOOKUP_SETUP; \
753 GLubyte r = v2->color[0]; \
754 GLubyte g = v2->color[1]; \
755 GLubyte b = v2->color[2]; \
756 GLubyte p = LOOKUP(r,g,b);
757 #define RENDER_SPAN( span ) \
758 GLuint i; \
759 for (i = 0; i < span.end; i++) { \
760 const DEPTH_TYPE z = FixedToDepth(span.z); \
761 if (z < zRow[i]) { \
762 pRow[i] = p; \
763 zRow[i] = z; \
764 } \
765 span.z += span.zStep; \
766 }
767 #include "swrast/s_tritemp.h"
768
769
770
771 /*
772 * XImage, smooth, NON-depth-buffered, PF_TRUECOLOR triangle.
773 */
774 #define NAME smooth_TRUECOLOR_triangle
775 #define INTERP_RGB 1
776 #define SETUP_CODE \
777 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
778 GET_XRB(xrb); \
779 XMesaImage *img = xrb->ximage;
780 #define RENDER_SPAN( span ) \
781 GLuint i; \
782 GLint x = span.x, y = YFLIP(xrb, span.y); \
783 for (i = 0; i < span.end; i++, x++) { \
784 unsigned long p; \
785 PACK_TRUECOLOR(p, FixedToInt(span.red), \
786 FixedToInt(span.green), FixedToInt(span.blue)); \
787 XMesaPutPixel(img, x, y, p); \
788 span.red += span.redStep; \
789 span.green += span.greenStep; \
790 span.blue += span.blueStep; \
791 }
792 #include "swrast/s_tritemp.h"
793
794
795
796 /*
797 * XImage, smooth, NON-depth-buffered, PF_8A8B8G8R triangle.
798 */
799 #define NAME smooth_8A8B8G8R_triangle
800 #define INTERP_RGB 1
801 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
802 #define PIXEL_TYPE GLuint
803 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
804 #define SETUP_CODE \
805 GET_XRB(xrb);
806 #define RENDER_SPAN( span ) \
807 GLuint i; \
808 for (i = 0; i < span.end; i++) { \
809 pRow[i] = PACK_8B8G8R(FixedToInt(span.red), \
810 FixedToInt(span.green), FixedToInt(span.blue) ); \
811 span.red += span.redStep; \
812 span.green += span.greenStep; \
813 span.blue += span.blueStep; \
814 }
815 #include "swrast/s_tritemp.h"
816
817
818
819 /*
820 * XImage, smooth, NON-depth-buffered, PF_8A8R8G8B triangle.
821 */
822 #define NAME smooth_8A8R8G8B_triangle
823 #define INTERP_RGB 1
824 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
825 #define PIXEL_TYPE GLuint
826 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
827 #define SETUP_CODE \
828 GET_XRB(xrb);
829 #define RENDER_SPAN( span ) \
830 GLuint i; \
831 for (i = 0; i < span.end; i++) { \
832 pRow[i] = PACK_8R8G8B(FixedToInt(span.red), \
833 FixedToInt(span.green), FixedToInt(span.blue) ); \
834 span.red += span.redStep; \
835 span.green += span.greenStep; \
836 span.blue += span.blueStep; \
837 }
838 #include "swrast/s_tritemp.h"
839
840
841
842 /*
843 * XImage, smooth, NON-depth-buffered, PF_8R8G8B triangle.
844 */
845 #define NAME smooth_8R8G8B_triangle
846 #define INTERP_RGB 1
847 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
848 #define PIXEL_TYPE GLuint
849 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
850 #define SETUP_CODE \
851 GET_XRB(xrb);
852 #define RENDER_SPAN( span ) \
853 GLuint i; \
854 for (i = 0; i < span.end; i++) { \
855 pRow[i] = PACK_8R8G8B(FixedToInt(span.red), \
856 FixedToInt(span.green), FixedToInt(span.blue) ); \
857 span.red += span.redStep; \
858 span.green += span.greenStep; \
859 span.blue += span.blueStep; \
860 }
861 #include "swrast/s_tritemp.h"
862
863
864
865 /*
866 * XImage, smooth, NON-depth-buffered, PF_8R8G8B triangle.
867 */
868 #define NAME smooth_8R8G8B24_triangle
869 #define INTERP_RGB 1
870 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y)
871 #define PIXEL_TYPE bgr_t
872 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
873 #define SETUP_CODE \
874 GET_XRB(xrb);
875 #define RENDER_SPAN( span ) \
876 GLuint i; \
877 PIXEL_TYPE *pixel = pRow; \
878 for (i = 0; i < span.end; i++, pixel++) { \
879 pixel->r = FixedToInt(span.red); \
880 pixel->g = FixedToInt(span.green); \
881 pixel->b = FixedToInt(span.blue); \
882 span.red += span.redStep; \
883 span.green += span.greenStep; \
884 span.blue += span.blueStep; \
885 }
886 #include "swrast/s_tritemp.h"
887
888
889
890 /*
891 * XImage, smooth, NON-depth-buffered, PF_TRUEDITHER triangle.
892 */
893 #define NAME smooth_TRUEDITHER_triangle
894 #define INTERP_RGB 1
895 #define SETUP_CODE \
896 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
897 GET_XRB(xrb); \
898 XMesaImage *img = xrb->ximage;
899 #define RENDER_SPAN( span ) \
900 GLuint i; \
901 GLint x = span.x, y = YFLIP(xrb, span.y); \
902 for (i = 0; i < span.end; i++, x++) { \
903 unsigned long p; \
904 PACK_TRUEDITHER(p, x, y, FixedToInt(span.red), \
905 FixedToInt(span.green), FixedToInt(span.blue)); \
906 XMesaPutPixel(img, x, y, p ); \
907 span.red += span.redStep; \
908 span.green += span.greenStep; \
909 span.blue += span.blueStep; \
910 }
911 #include "swrast/s_tritemp.h"
912
913
914
915 /*
916 * XImage, smooth, NON-depth-buffered, PF_5R6G5B triangle.
917 */
918 #define NAME smooth_5R6G5B_triangle
919 #define INTERP_RGB 1
920 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
921 #define PIXEL_TYPE GLushort
922 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
923 #define SETUP_CODE \
924 GET_XRB(xrb);
925 #define RENDER_SPAN( span ) \
926 GLuint i; \
927 for (i = 0; i < span.end; i++) { \
928 pRow[i] = (PIXEL_TYPE) PACK_5R6G5B(FixedToInt(span.red), \
929 FixedToInt(span.green), FixedToInt(span.blue)); \
930 span.red += span.redStep; \
931 span.green += span.greenStep; \
932 span.blue += span.blueStep; \
933 }
934 #include "swrast/s_tritemp.h"
935
936
937
938 /*
939 * XImage, smooth, NON-depth-buffered, PF_DITHER_5R6G5B triangle.
940 */
941 #define NAME smooth_DITHER_5R6G5B_triangle
942 #define INTERP_RGB 1
943 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
944 #define PIXEL_TYPE GLushort
945 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
946 #define SETUP_CODE \
947 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
948 GET_XRB(xrb);
949 #define RENDER_SPAN( span ) \
950 GLuint i; \
951 GLint x = span.x, y = YFLIP(xrb, span.y); \
952 for (i = 0; i < span.end; i++, x++) { \
953 PACK_TRUEDITHER(pRow[i], x, y, FixedToInt(span.red), \
954 FixedToInt(span.green), FixedToInt(span.blue)); \
955 span.red += span.redStep; \
956 span.green += span.greenStep; \
957 span.blue += span.blueStep; \
958 }
959 #include "swrast/s_tritemp.h"
960
961
962
963 /*
964 * XImage, smooth, NON-depth-buffered, 8-bit PF_DITHER triangle.
965 */
966 #define NAME smooth_DITHER8_triangle
967 #define INTERP_RGB 1
968 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
969 #define PIXEL_TYPE GLubyte
970 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
971 #define SETUP_CODE \
972 GET_XRB(xrb);
973 #define RENDER_SPAN( span ) \
974 GLuint i; \
975 GLint x = span.x, y = YFLIP(xrb, span.y); \
976 XDITHER_SETUP(y); \
977 for (i = 0; i < span.end; i++, x++) { \
978 pRow[i] = (PIXEL_TYPE) XDITHER(x, FixedToInt(span.red), \
979 FixedToInt(span.green), FixedToInt(span.blue) ); \
980 span.red += span.redStep; \
981 span.green += span.greenStep; \
982 span.blue += span.blueStep; \
983 }
984 #include "swrast/s_tritemp.h"
985
986
987
988 /*
989 * XImage, smooth, NON-depth-buffered, PF_DITHER triangle.
990 */
991 #define NAME smooth_DITHER_triangle
992 #define INTERP_RGB 1
993 #define SETUP_CODE \
994 GET_XRB(xrb); \
995 XMesaImage *img = xrb->ximage;
996 #define RENDER_SPAN( span ) \
997 GLuint i; \
998 GLint x = span.x, y = YFLIP(xrb, span.y); \
999 XDITHER_SETUP(y); \
1000 for (i = 0; i < span.end; i++, x++) { \
1001 unsigned long p = XDITHER(x, FixedToInt(span.red), \
1002 FixedToInt(span.green), FixedToInt(span.blue) ); \
1003 XMesaPutPixel(img, x, y, p); \
1004 span.red += span.redStep; \
1005 span.green += span.greenStep; \
1006 span.blue += span.blueStep; \
1007 }
1008 #include "swrast/s_tritemp.h"
1009
1010
1011
1012 /*
1013 * XImage, smooth, NON-depth-buffered, 8-bit PF_LOOKUP triangle.
1014 */
1015 #define NAME smooth_LOOKUP8_triangle
1016 #define INTERP_RGB 1
1017 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
1018 #define PIXEL_TYPE GLubyte
1019 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
1020 #define SETUP_CODE \
1021 GET_XRB(xrb);
1022 #define RENDER_SPAN( span ) \
1023 GLuint i; \
1024 LOOKUP_SETUP; \
1025 for (i = 0; i < span.end; i++) { \
1026 pRow[i] = LOOKUP(FixedToInt(span.red), \
1027 FixedToInt(span.green), FixedToInt(span.blue)); \
1028 span.red += span.redStep; \
1029 span.green += span.greenStep; \
1030 span.blue += span.blueStep; \
1031 }
1032 #include "swrast/s_tritemp.h"
1033
1034
1035
1036 /*
1037 * XImage, smooth, NON-depth-buffered, 8-bit PF_HPCR triangle.
1038 */
1039 #define NAME smooth_HPCR_triangle
1040 #define INTERP_RGB 1
1041 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
1042 #define PIXEL_TYPE GLubyte
1043 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
1044 #define SETUP_CODE \
1045 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
1046 GET_XRB(xrb);
1047 #define RENDER_SPAN( span ) \
1048 GLuint i; \
1049 GLint x = span.x, y = YFLIP(xrb, span.y); \
1050 for (i = 0; i < span.end; i++, x++) { \
1051 pRow[i] = DITHER_HPCR(x, y, FixedToInt(span.red), \
1052 FixedToInt(span.green), FixedToInt(span.blue)); \
1053 span.red += span.redStep; \
1054 span.green += span.greenStep; \
1055 span.blue += span.blueStep; \
1056 }
1057 #include "swrast/s_tritemp.h"
1058
1059
1060
1061 /*
1062 * XImage, flat, NON-depth-buffered, PF_TRUECOLOR triangle.
1063 */
1064 #define NAME flat_TRUECOLOR_triangle
1065 #define SETUP_CODE \
1066 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
1067 GET_XRB(xrb); \
1068 XMesaImage *img = xrb->ximage; \
1069 unsigned long pixel; \
1070 PACK_TRUECOLOR(pixel, v2->color[0], v2->color[1], v2->color[2]);
1071 #define RENDER_SPAN( span ) \
1072 GLuint i; \
1073 GLint x = span.x, y = YFLIP(xrb, span.y); \
1074 for (i = 0; i < span.end; i++, x++) { \
1075 XMesaPutPixel(img, x, y, pixel); \
1076 }
1077 #include "swrast/s_tritemp.h"
1078
1079
1080
1081 /*
1082 * XImage, flat, NON-depth-buffered, PF_8A8B8G8R triangle.
1083 */
1084 #define NAME flat_8A8B8G8R_triangle
1085 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
1086 #define PIXEL_TYPE GLuint
1087 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
1088 #define SETUP_CODE \
1089 GET_XRB(xrb); \
1090 unsigned long p = PACK_8B8G8R( v2->color[0], \
1091 v2->color[1], v2->color[2] );
1092 #define RENDER_SPAN( span ) \
1093 GLuint i; \
1094 for (i = 0; i < span.end; i++) { \
1095 pRow[i] = (PIXEL_TYPE) p; \
1096 }
1097 #include "swrast/s_tritemp.h"
1098
1099
1100
1101 /*
1102 * XImage, flat, NON-depth-buffered, PF_8A8R8G8B triangle.
1103 */
1104 #define NAME flat_8A8R8G8B_triangle
1105 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
1106 #define PIXEL_TYPE GLuint
1107 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
1108 #define SETUP_CODE \
1109 GET_XRB(xrb); \
1110 unsigned long p = PACK_8R8G8B( v2->color[0], \
1111 v2->color[1], v2->color[2] );
1112 #define RENDER_SPAN( span ) \
1113 GLuint i; \
1114 for (i = 0; i < span.end; i++) { \
1115 pRow[i] = (PIXEL_TYPE) p; \
1116 }
1117 #include "swrast/s_tritemp.h"
1118
1119
1120
1121 /*
1122 * XImage, flat, NON-depth-buffered, PF_8R8G8B triangle.
1123 */
1124 #define NAME flat_8R8G8B_triangle
1125 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
1126 #define PIXEL_TYPE GLuint
1127 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
1128 #define SETUP_CODE \
1129 GET_XRB(xrb); \
1130 unsigned long p = PACK_8R8G8B( v2->color[0], \
1131 v2->color[1], v2->color[2] );
1132 #define RENDER_SPAN( span ) \
1133 GLuint i; \
1134 for (i = 0; i < span.end; i++) { \
1135 pRow[i] = (PIXEL_TYPE) p; \
1136 }
1137 #include "swrast/s_tritemp.h"
1138
1139
1140
1141 /*
1142 * XImage, flat, NON-depth-buffered, PF_8R8G8B24 triangle.
1143 */
1144 #define NAME flat_8R8G8B24_triangle
1145 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y)
1146 #define PIXEL_TYPE bgr_t
1147 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
1148 #define SETUP_CODE \
1149 GET_XRB(xrb); \
1150 const GLubyte *color = v2->color;
1151 #define RENDER_SPAN( span ) \
1152 GLuint i; \
1153 PIXEL_TYPE *pixel = pRow; \
1154 for (i = 0; i < span.end; i++, pixel++) { \
1155 pixel->r = color[RCOMP]; \
1156 pixel->g = color[GCOMP]; \
1157 pixel->b = color[BCOMP]; \
1158 }
1159 #include "swrast/s_tritemp.h"
1160
1161
1162
1163 /*
1164 * XImage, flat, NON-depth-buffered, PF_TRUEDITHER triangle.
1165 */
1166 #define NAME flat_TRUEDITHER_triangle
1167 #define SETUP_CODE \
1168 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
1169 GET_XRB(xrb); \
1170 XMesaImage *img = xrb->ximage;
1171 #define RENDER_SPAN( span ) \
1172 GLuint i; \
1173 GLint x = span.x, y = YFLIP(xrb, span.y); \
1174 for (i = 0; i < span.end; i++, x++) { \
1175 unsigned long p; \
1176 PACK_TRUEDITHER(p, x, y, v2->color[0], \
1177 v2->color[1], v2->color[2] ); \
1178 XMesaPutPixel(img, x, y, p); \
1179 }
1180 #include "swrast/s_tritemp.h"
1181
1182
1183
1184 /*
1185 * XImage, flat, NON-depth-buffered, PF_5R6G5B triangle.
1186 */
1187 #define NAME flat_5R6G5B_triangle
1188 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
1189 #define PIXEL_TYPE GLushort
1190 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
1191 #define SETUP_CODE \
1192 GET_XRB(xrb); \
1193 unsigned long p = PACK_5R6G5B( v2->color[0], \
1194 v2->color[1], v2->color[2] );
1195 #define RENDER_SPAN( span ) \
1196 GLuint i; \
1197 for (i = 0; i < span.end; i++) { \
1198 pRow[i] = (PIXEL_TYPE) p; \
1199 }
1200 #include "swrast/s_tritemp.h"
1201
1202
1203
1204 /*
1205 * XImage, flat, NON-depth-buffered, PF_DITHER_5R6G5B triangle.
1206 */
1207 #define NAME flat_DITHER_5R6G5B_triangle
1208 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
1209 #define PIXEL_TYPE GLushort
1210 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
1211 #define SETUP_CODE \
1212 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
1213 GET_XRB(xrb); \
1214 const GLubyte *color = v2->color;
1215 #define RENDER_SPAN( span ) \
1216 GLuint i; \
1217 GLint x = span.x, y = YFLIP(xrb, span.y); \
1218 for (i = 0; i < span.end; i++, x++) { \
1219 PACK_TRUEDITHER(pRow[i], x, y, color[RCOMP], \
1220 color[GCOMP], color[BCOMP]); \
1221 }
1222 #include "swrast/s_tritemp.h"
1223
1224
1225
1226 /*
1227 * XImage, flat, NON-depth-buffered, 8-bit PF_DITHER triangle.
1228 */
1229 #define NAME flat_DITHER8_triangle
1230 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
1231 #define PIXEL_TYPE GLubyte
1232 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
1233 #define SETUP_CODE \
1234 GET_XRB(xrb); \
1235 FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] );
1236 #define RENDER_SPAN( span ) \
1237 GLuint i; \
1238 GLint x = span.x, y = YFLIP(xrb, span.y); \
1239 FLAT_DITHER_ROW_SETUP(YFLIP(xrb, y)); \
1240 for (i = 0; i < span.end; i++, x++) { \
1241 pRow[i] = (PIXEL_TYPE) FLAT_DITHER(x); \
1242 }
1243 #include "swrast/s_tritemp.h"
1244
1245
1246
1247 /*
1248 * XImage, flat, NON-depth-buffered, PF_DITHER triangle.
1249 */
1250 #define NAME flat_DITHER_triangle
1251 #define SETUP_CODE \
1252 GET_XRB(xrb); \
1253 XMesaImage *img = xrb->ximage; \
1254 FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] );
1255 #define RENDER_SPAN( span ) \
1256 GLuint i; \
1257 GLint x = span.x, y = YFLIP(xrb, span.y); \
1258 FLAT_DITHER_ROW_SETUP(y); \
1259 for (i = 0; i < span.end; i++, x++) { \
1260 unsigned long p = FLAT_DITHER(x); \
1261 XMesaPutPixel(img, x, y, p ); \
1262 }
1263 #include "swrast/s_tritemp.h"
1264
1265
1266
1267 /*
1268 * XImage, flat, NON-depth-buffered, 8-bit PF_HPCR triangle.
1269 */
1270 #define NAME flat_HPCR_triangle
1271 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
1272 #define PIXEL_TYPE GLubyte
1273 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
1274 #define SETUP_CODE \
1275 XMesaContext xmesa = XMESA_CONTEXT(ctx); \
1276 GET_XRB(xrb); \
1277 GLubyte r = v2->color[0]; \
1278 GLubyte g = v2->color[1]; \
1279 GLubyte b = v2->color[2];
1280 #define RENDER_SPAN( span ) \
1281 GLuint i; \
1282 GLint x = span.x, y = YFLIP(xrb, span.y); \
1283 for (i = 0; i < span.end; i++, x++) { \
1284 pRow[i] = (PIXEL_TYPE) DITHER_HPCR(x, y, r, g, b); \
1285 }
1286 #include "swrast/s_tritemp.h"
1287
1288
1289
1290 /*
1291 * XImage, flat, NON-depth-buffered, 8-bit PF_LOOKUP triangle.
1292 */
1293 #define NAME flat_LOOKUP8_triangle
1294 #define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
1295 #define PIXEL_TYPE GLubyte
1296 #define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
1297 #define SETUP_CODE \
1298 GET_XRB(xrb); \
1299 LOOKUP_SETUP; \
1300 GLubyte r = v2->color[0]; \
1301 GLubyte g = v2->color[1]; \
1302 GLubyte b = v2->color[2]; \
1303 GLubyte p = LOOKUP(r,g,b);
1304 #define RENDER_SPAN( span ) \
1305 GLuint i; \
1306 for (i = 0; i < span.end; i++) { \
1307 pRow[i] = (PIXEL_TYPE) p; \
1308 }
1309 #include "swrast/s_tritemp.h"
1310
1311
1312
1313 #ifdef DEBUG
1314 extern void _xmesa_print_triangle_func( swrast_tri_func triFunc );
1315 void _xmesa_print_triangle_func( swrast_tri_func triFunc )
1316 {
1317 _mesa_printf("XMesa tri func = ");
1318 if (triFunc ==smooth_TRUECOLOR_z_triangle)
1319 _mesa_printf("smooth_TRUECOLOR_z_triangle\n");
1320 else if (triFunc ==smooth_8A8B8G8R_z_triangle)
1321 _mesa_printf("smooth_8A8B8G8R_z_triangle\n");
1322 else if (triFunc ==smooth_8A8R8G8B_z_triangle)
1323 _mesa_printf("smooth_8A8R8G8B_z_triangle\n");
1324 else if (triFunc ==smooth_8R8G8B_z_triangle)
1325 _mesa_printf("smooth_8R8G8B_z_triangle\n");
1326 else if (triFunc ==smooth_8R8G8B24_z_triangle)
1327 _mesa_printf("smooth_8R8G8B24_z_triangle\n");
1328 else if (triFunc ==smooth_TRUEDITHER_z_triangle)
1329 _mesa_printf("smooth_TRUEDITHER_z_triangle\n");
1330 else if (triFunc ==smooth_5R6G5B_z_triangle)
1331 _mesa_printf("smooth_5R6G5B_z_triangle\n");
1332 else if (triFunc ==smooth_DITHER_5R6G5B_z_triangle)
1333 _mesa_printf("smooth_DITHER_5R6G5B_z_triangle\n");
1334 else if (triFunc ==smooth_HPCR_z_triangle)
1335 _mesa_printf("smooth_HPCR_z_triangle\n");
1336 else if (triFunc ==smooth_DITHER8_z_triangle)
1337 _mesa_printf("smooth_DITHER8_z_triangle\n");
1338 else if (triFunc ==smooth_LOOKUP8_z_triangle)
1339 _mesa_printf("smooth_LOOKUP8_z_triangle\n");
1340 else if (triFunc ==flat_TRUECOLOR_z_triangle)
1341 _mesa_printf("flat_TRUECOLOR_z_triangle\n");
1342 else if (triFunc ==flat_8A8B8G8R_z_triangle)
1343 _mesa_printf("flat_8A8B8G8R_z_triangle\n");
1344 else if (triFunc ==flat_8A8R8G8B_z_triangle)
1345 _mesa_printf("flat_8A8R8G8B_z_triangle\n");
1346 else if (triFunc ==flat_8R8G8B_z_triangle)
1347 _mesa_printf("flat_8R8G8B_z_triangle\n");
1348 else if (triFunc ==flat_8R8G8B24_z_triangle)
1349 _mesa_printf("flat_8R8G8B24_z_triangle\n");
1350 else if (triFunc ==flat_TRUEDITHER_z_triangle)
1351 _mesa_printf("flat_TRUEDITHER_z_triangle\n");
1352 else if (triFunc ==flat_5R6G5B_z_triangle)
1353 _mesa_printf("flat_5R6G5B_z_triangle\n");
1354 else if (triFunc ==flat_DITHER_5R6G5B_z_triangle)
1355 _mesa_printf("flat_DITHER_5R6G5B_z_triangle\n");
1356 else if (triFunc ==flat_HPCR_z_triangle)
1357 _mesa_printf("flat_HPCR_z_triangle\n");
1358 else if (triFunc ==flat_DITHER8_z_triangle)
1359 _mesa_printf("flat_DITHER8_z_triangle\n");
1360 else if (triFunc ==flat_LOOKUP8_z_triangle)
1361 _mesa_printf("flat_LOOKUP8_z_triangle\n");
1362 else if (triFunc ==smooth_TRUECOLOR_triangle)
1363 _mesa_printf("smooth_TRUECOLOR_triangle\n");
1364 else if (triFunc ==smooth_8A8B8G8R_triangle)
1365 _mesa_printf("smooth_8A8B8G8R_triangle\n");
1366 else if (triFunc ==smooth_8A8R8G8B_triangle)
1367 _mesa_printf("smooth_8A8R8G8B_triangle\n");
1368 else if (triFunc ==smooth_8R8G8B_triangle)
1369 _mesa_printf("smooth_8R8G8B_triangle\n");
1370 else if (triFunc ==smooth_8R8G8B24_triangle)
1371 _mesa_printf("smooth_8R8G8B24_triangle\n");
1372 else if (triFunc ==smooth_TRUEDITHER_triangle)
1373 _mesa_printf("smooth_TRUEDITHER_triangle\n");
1374 else if (triFunc ==smooth_5R6G5B_triangle)
1375 _mesa_printf("smooth_5R6G5B_triangle\n");
1376 else if (triFunc ==smooth_DITHER_5R6G5B_triangle)
1377 _mesa_printf("smooth_DITHER_5R6G5B_triangle\n");
1378 else if (triFunc ==smooth_HPCR_triangle)
1379 _mesa_printf("smooth_HPCR_triangle\n");
1380 else if (triFunc ==smooth_DITHER8_triangle)
1381 _mesa_printf("smooth_DITHER8_triangle\n");
1382 else if (triFunc ==smooth_LOOKUP8_triangle)
1383 _mesa_printf("smooth_LOOKUP8_triangle\n");
1384 else if (triFunc ==flat_TRUECOLOR_triangle)
1385 _mesa_printf("flat_TRUECOLOR_triangle\n");
1386 else if (triFunc ==flat_TRUEDITHER_triangle)
1387 _mesa_printf("flat_TRUEDITHER_triangle\n");
1388 else if (triFunc ==flat_8A8B8G8R_triangle)
1389 _mesa_printf("flat_8A8B8G8R_triangle\n");
1390 else if (triFunc ==flat_8A8R8G8B_triangle)
1391 _mesa_printf("flat_8A8R8G8B_triangle\n");
1392 else if (triFunc ==flat_8R8G8B_triangle)
1393 _mesa_printf("flat_8R8G8B_triangle\n");
1394 else if (triFunc ==flat_8R8G8B24_triangle)
1395 _mesa_printf("flat_8R8G8B24_triangle\n");
1396 else if (triFunc ==flat_5R6G5B_triangle)
1397 _mesa_printf("flat_5R6G5B_triangle\n");
1398 else if (triFunc ==flat_DITHER_5R6G5B_triangle)
1399 _mesa_printf("flat_DITHER_5R6G5B_triangle\n");
1400 else if (triFunc ==flat_HPCR_triangle)
1401 _mesa_printf("flat_HPCR_triangle\n");
1402 else if (triFunc ==flat_DITHER8_triangle)
1403 _mesa_printf("flat_DITHER8_triangle\n");
1404 else if (triFunc ==flat_LOOKUP8_triangle)
1405 _mesa_printf("flat_LOOKUP8_triangle\n");
1406 else
1407 _mesa_printf("???\n");
1408 }
1409 #endif
1410
1411
1412 #ifdef DEBUG
1413
1414 /* record the current triangle function name */
1415 static const char *triFuncName = NULL;
1416
1417 #define USE(triFunc) \
1418 do { \
1419 triFuncName = #triFunc; \
1420 return triFunc; \
1421 } while (0)
1422
1423 #else
1424
1425 #define USE(triFunc) return triFunc
1426
1427 #endif
1428
1429
1430 static swrast_tri_func get_triangle_func( GLcontext *ctx )
1431 {
1432 SWcontext *swrast = SWRAST_CONTEXT(ctx);
1433 XMesaContext xmesa = XMESA_CONTEXT(ctx);
1434 int depth = GET_VISUAL_DEPTH(xmesa->xm_visual);
1435 struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *)
1436 ctx->DrawBuffer->_ColorDrawBuffers[0][0];
1437
1438 return NULL;
1439 #ifdef DEBUG
1440 triFuncName = NULL;
1441 #endif
1442
1443 if ((ctx->DrawBuffer->_ColorDrawBufferMask[0]
1444 & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT)) == 0)
1445 return (swrast_tri_func) NULL;
1446 if (ctx->RenderMode != GL_RENDER) return (swrast_tri_func) NULL;
1447 if (ctx->Polygon.SmoothFlag) return (swrast_tri_func) NULL;
1448 if (ctx->Texture._EnabledUnits) return (swrast_tri_func) NULL;
1449 if (swrast->_RasterMask & MULTI_DRAW_BIT) return (swrast_tri_func) NULL;
1450 if (ctx->Polygon.CullFlag &&
1451 ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
1452 return (swrast_tri_func) NULL;
1453
1454 if (xrb->ximage) {
1455 if ( ctx->Light.ShadeModel==GL_SMOOTH
1456 && swrast->_RasterMask==DEPTH_BIT
1457 && ctx->Depth.Func==GL_LESS
1458 && ctx->Depth.Mask==GL_TRUE
1459 && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS
1460 && ctx->Polygon.StippleFlag==GL_FALSE) {
1461 switch (xmesa->pixelformat) {
1462 case PF_Truecolor:
1463 USE(smooth_TRUECOLOR_z_triangle);
1464 case PF_8A8B8G8R:
1465 USE(smooth_8A8B8G8R_z_triangle);
1466 case PF_8A8R8G8B:
1467 USE(smooth_8A8R8G8B_z_triangle);
1468 case PF_8R8G8B:
1469 USE(smooth_8R8G8B_z_triangle);
1470 case PF_8R8G8B24:
1471 USE(smooth_8R8G8B24_z_triangle);
1472 case PF_Dither_True:
1473 USE(smooth_TRUEDITHER_z_triangle);
1474 case PF_5R6G5B:
1475 USE(smooth_5R6G5B_z_triangle);
1476 case PF_Dither_5R6G5B:
1477 USE(smooth_DITHER_5R6G5B_z_triangle);
1478 case PF_HPCR:
1479 USE(smooth_HPCR_z_triangle);
1480 case PF_Dither:
1481 if (depth == 8)
1482 USE(smooth_DITHER8_z_triangle);
1483 else
1484 USE(smooth_DITHER_z_triangle);
1485 case PF_Lookup:
1486 if (depth == 8)
1487 USE(smooth_LOOKUP8_z_triangle);
1488 else
1489 return (swrast_tri_func) NULL;
1490 default:
1491 return (swrast_tri_func) NULL;
1492 }
1493 }
1494 if ( ctx->Light.ShadeModel==GL_FLAT
1495 && swrast->_RasterMask==DEPTH_BIT
1496 && ctx->Depth.Func==GL_LESS
1497 && ctx->Depth.Mask==GL_TRUE
1498 && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS
1499 && ctx->Polygon.StippleFlag==GL_FALSE) {
1500 switch (xmesa->pixelformat) {
1501 case PF_Truecolor:
1502 USE(flat_TRUECOLOR_z_triangle);
1503 case PF_8A8B8G8R:
1504 USE(flat_8A8B8G8R_z_triangle);
1505 case PF_8A8R8G8B:
1506 USE(flat_8A8R8G8B_z_triangle);
1507 case PF_8R8G8B:
1508 USE(flat_8R8G8B_z_triangle);
1509 case PF_8R8G8B24:
1510 USE(flat_8R8G8B24_z_triangle);
1511 case PF_Dither_True:
1512 USE(flat_TRUEDITHER_z_triangle);
1513 case PF_5R6G5B:
1514 USE(flat_5R6G5B_z_triangle);
1515 case PF_Dither_5R6G5B:
1516 USE(flat_DITHER_5R6G5B_z_triangle);
1517 case PF_HPCR:
1518 USE(flat_HPCR_z_triangle);
1519 case PF_Dither:
1520 if (depth == 8)
1521 USE(flat_DITHER8_z_triangle);
1522 else
1523 USE(flat_DITHER_z_triangle);
1524 case PF_Lookup:
1525 if (depth == 8)
1526 USE(flat_LOOKUP8_z_triangle);
1527 else
1528 return (swrast_tri_func) NULL;
1529 default:
1530 return (swrast_tri_func) NULL;
1531 }
1532 }
1533 if ( swrast->_RasterMask==0 /* no depth test */
1534 && ctx->Light.ShadeModel==GL_SMOOTH
1535 && ctx->Polygon.StippleFlag==GL_FALSE) {
1536 switch (xmesa->pixelformat) {
1537 case PF_Truecolor:
1538 USE(smooth_TRUECOLOR_triangle);
1539 case PF_8A8B8G8R:
1540 USE(smooth_8A8B8G8R_triangle);
1541 case PF_8A8R8G8B:
1542 USE(smooth_8A8R8G8B_triangle);
1543 case PF_8R8G8B:
1544 USE(smooth_8R8G8B_triangle);
1545 case PF_8R8G8B24:
1546 USE(smooth_8R8G8B24_triangle);
1547 case PF_Dither_True:
1548 USE(smooth_TRUEDITHER_triangle);
1549 case PF_5R6G5B:
1550 USE(smooth_5R6G5B_triangle);
1551 case PF_Dither_5R6G5B:
1552 USE(smooth_DITHER_5R6G5B_triangle);
1553 case PF_HPCR:
1554 USE(smooth_HPCR_triangle);
1555 case PF_Dither:
1556 if (depth == 8)
1557 USE(smooth_DITHER8_triangle);
1558 else
1559 USE(smooth_DITHER_triangle);
1560 case PF_Lookup:
1561 if (depth == 8)
1562 USE(smooth_LOOKUP8_triangle);
1563 else
1564 return (swrast_tri_func) NULL;
1565 default:
1566 return (swrast_tri_func) NULL;
1567 }
1568 }
1569
1570 if ( swrast->_RasterMask==0 /* no depth test */
1571 && ctx->Light.ShadeModel==GL_FLAT
1572 && ctx->Polygon.StippleFlag==GL_FALSE) {
1573 switch (xmesa->pixelformat) {
1574 case PF_Truecolor:
1575 USE(flat_TRUECOLOR_triangle);
1576 case PF_Dither_True:
1577 USE(flat_TRUEDITHER_triangle);
1578 case PF_8A8B8G8R:
1579 USE(flat_8A8B8G8R_triangle);
1580 case PF_8A8R8G8B:
1581 USE(flat_8A8R8G8B_triangle);
1582 case PF_8R8G8B:
1583 USE(flat_8R8G8B_triangle);
1584 case PF_8R8G8B24:
1585 USE(flat_8R8G8B24_triangle);
1586 case PF_5R6G5B:
1587 USE(flat_5R6G5B_triangle);
1588 case PF_Dither_5R6G5B:
1589 USE(flat_DITHER_5R6G5B_triangle);
1590 case PF_HPCR:
1591 USE(flat_HPCR_triangle);
1592 case PF_Dither:
1593 if (depth == 8)
1594 USE(flat_DITHER8_triangle);
1595 else
1596 USE(flat_DITHER_triangle);
1597 case PF_Lookup:
1598 if (depth == 8)
1599 USE(flat_LOOKUP8_triangle);
1600 else
1601 return (swrast_tri_func) NULL;
1602 default:
1603 return (swrast_tri_func) NULL;
1604 }
1605 }
1606
1607 return (swrast_tri_func) NULL;
1608 }
1609 else {
1610 /* draw to pixmap */
1611 return (swrast_tri_func) NULL;
1612 }
1613 }
1614
1615
1616 /* Override for the swrast tri-selection function. Try to use one
1617 * of our internal tri functions, otherwise fall back to the
1618 * standard swrast functions.
1619 */
1620 void xmesa_choose_triangle( GLcontext *ctx )
1621 {
1622 SWcontext *swrast = SWRAST_CONTEXT(ctx);
1623
1624 if (!(swrast->Triangle = get_triangle_func( ctx )))
1625 _swrast_choose_triangle( ctx );
1626 }
1627