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[mesa.git] / src / gallium / auxiliary / vl / vl_mpeg12_mc_renderer.c
1 /**************************************************************************
2 *
3 * Copyright 2009 Younes Manton.
4 * 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
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 #include "vl_mpeg12_mc_renderer.h"
29 #include <assert.h>
30 #include <pipe/p_context.h>
31 #include <pipe/p_inlines.h>
32 #include <util/u_math.h>
33 #include <util/u_memory.h>
34 #include <tgsi/tgsi_parse.h>
35 #include <tgsi/tgsi_build.h>
36 #include "vl_shader_build.h"
37
38 #define DEFAULT_BUF_ALIGNMENT 1
39 #define MACROBLOCK_WIDTH 16
40 #define MACROBLOCK_HEIGHT 16
41 #define BLOCK_WIDTH 8
42 #define BLOCK_HEIGHT 8
43 #define ZERO_BLOCK_NIL -1.0f
44 #define ZERO_BLOCK_IS_NIL(zb) ((zb).x < 0.0f)
45
46 struct vertex2f
47 {
48 float x, y;
49 };
50
51 struct vertex4f
52 {
53 float x, y, z, w;
54 };
55
56 struct vertex_shader_consts
57 {
58 struct vertex4f denorm;
59 };
60
61 struct fragment_shader_consts
62 {
63 struct vertex4f multiplier;
64 struct vertex4f div;
65 };
66
67 /*
68 * Muliplier renormalizes block samples from 16 bits to 12 bits.
69 * Divider is used when calculating Y % 2 for choosing top or bottom
70 * field for P or B macroblocks.
71 * TODO: Use immediates.
72 */
73 static const struct fragment_shader_consts fs_consts = {
74 {32767.0f / 255.0f, 32767.0f / 255.0f, 32767.0f / 255.0f, 0.0f},
75 {0.5f, 2.0f, 0.0f, 0.0f}
76 };
77
78 struct vert_stream_0
79 {
80 struct vertex2f pos;
81 struct vertex2f luma_tc;
82 struct vertex2f cb_tc;
83 struct vertex2f cr_tc;
84 };
85
86 enum MACROBLOCK_TYPE
87 {
88 MACROBLOCK_TYPE_INTRA,
89 MACROBLOCK_TYPE_FWD_FRAME_PRED,
90 MACROBLOCK_TYPE_FWD_FIELD_PRED,
91 MACROBLOCK_TYPE_BKWD_FRAME_PRED,
92 MACROBLOCK_TYPE_BKWD_FIELD_PRED,
93 MACROBLOCK_TYPE_BI_FRAME_PRED,
94 MACROBLOCK_TYPE_BI_FIELD_PRED,
95
96 NUM_MACROBLOCK_TYPES
97 };
98
99 static void
100 create_intra_vert_shader(struct vl_mpeg12_mc_renderer *r)
101 {
102 const unsigned max_tokens = 50;
103
104 struct pipe_shader_state vs;
105 struct tgsi_token *tokens;
106 struct tgsi_header *header;
107
108 struct tgsi_full_declaration decl;
109 struct tgsi_full_instruction inst;
110
111 unsigned ti;
112
113 unsigned i;
114
115 assert(r);
116
117 tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
118 *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
119 header = (struct tgsi_header *) &tokens[1];
120 *header = tgsi_build_header();
121 *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
122
123 ti = 3;
124
125 /*
126 * decl i0 ; Vertex pos
127 * decl i1 ; Luma texcoords
128 * decl i2 ; Chroma Cb texcoords
129 * decl i3 ; Chroma Cr texcoords
130 */
131 for (i = 0; i < 4; i++) {
132 decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
133 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
134 }
135
136 /*
137 * decl o0 ; Vertex pos
138 * decl o1 ; Luma texcoords
139 * decl o2 ; Chroma Cb texcoords
140 * decl o3 ; Chroma Cr texcoords
141 */
142 for (i = 0; i < 4; i++) {
143 decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
144 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
145 }
146
147 /*
148 * mov o0, i0 ; Move input vertex pos to output
149 * mov o1, i1 ; Move input luma texcoords to output
150 * mov o2, i2 ; Move input chroma Cb texcoords to output
151 * mov o3, i3 ; Move input chroma Cr texcoords to output
152 */
153 for (i = 0; i < 4; ++i) {
154 inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
155 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
156 }
157
158 /* end */
159 inst = vl_end();
160 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
161
162 assert(ti <= max_tokens);
163
164 vs.tokens = tokens;
165 r->i_vs = r->pipe->create_vs_state(r->pipe, &vs);
166 free(tokens);
167 }
168
169 static void
170 create_intra_frag_shader(struct vl_mpeg12_mc_renderer *r)
171 {
172 const unsigned max_tokens = 100;
173
174 struct pipe_shader_state fs;
175 struct tgsi_token *tokens;
176 struct tgsi_header *header;
177
178 struct tgsi_full_declaration decl;
179 struct tgsi_full_instruction inst;
180
181 unsigned ti;
182
183 unsigned i;
184
185 assert(r);
186
187 tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
188 *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
189 header = (struct tgsi_header *) &tokens[1];
190 *header = tgsi_build_header();
191 *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
192
193 ti = 3;
194
195 /*
196 * decl i0 ; Luma texcoords
197 * decl i1 ; Chroma Cb texcoords
198 * decl i2 ; Chroma Cr texcoords
199 */
200 for (i = 0; i < 3; ++i) {
201 decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
202 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
203 }
204
205 /* decl c0 ; Scaling factor, rescales 16-bit snorm to 9-bit snorm */
206 decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 0);
207 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
208
209 /* decl o0 ; Fragment color */
210 decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
211 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
212
213 /* decl t0, t1 */
214 decl = vl_decl_temps(0, 1);
215 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
216
217 /*
218 * decl s0 ; Sampler for luma texture
219 * decl s1 ; Sampler for chroma Cb texture
220 * decl s2 ; Sampler for chroma Cr texture
221 */
222 for (i = 0; i < 3; ++i) {
223 decl = vl_decl_samplers(i, i);
224 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
225 }
226
227 /*
228 * tex2d t1, i0, s0 ; Read texel from luma texture
229 * mov t0.x, t1.x ; Move luma sample into .x component
230 * tex2d t1, i1, s1 ; Read texel from chroma Cb texture
231 * mov t0.y, t1.x ; Move Cb sample into .y component
232 * tex2d t1, i2, s2 ; Read texel from chroma Cr texture
233 * mov t0.z, t1.x ; Move Cr sample into .z component
234 */
235 for (i = 0; i < 3; ++i) {
236 inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i, TGSI_FILE_SAMPLER, i);
237 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
238
239 inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
240 inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
241 inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
242 inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
243 inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
244 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
245 }
246
247 /* mul o0, t0, c0 ; Rescale texel to correct range */
248 inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
249 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
250
251 /* end */
252 inst = vl_end();
253 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
254
255 assert(ti <= max_tokens);
256
257 fs.tokens = tokens;
258 r->i_fs = r->pipe->create_fs_state(r->pipe, &fs);
259 free(tokens);
260 }
261
262 static void
263 create_frame_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
264 {
265 const unsigned max_tokens = 100;
266
267 struct pipe_shader_state vs;
268 struct tgsi_token *tokens;
269 struct tgsi_header *header;
270
271 struct tgsi_full_declaration decl;
272 struct tgsi_full_instruction inst;
273
274 unsigned ti;
275
276 unsigned i;
277
278 assert(r);
279
280 tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
281 *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
282 header = (struct tgsi_header *) &tokens[1];
283 *header = tgsi_build_header();
284 *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
285
286 ti = 3;
287
288 /*
289 * decl i0 ; Vertex pos
290 * decl i1 ; Luma texcoords
291 * decl i2 ; Chroma Cb texcoords
292 * decl i3 ; Chroma Cr texcoords
293 * decl i4 ; Ref surface top field texcoords
294 * decl i5 ; Ref surface bottom field texcoords (unused, packed in the same stream)
295 */
296 for (i = 0; i < 6; i++) {
297 decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
298 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
299 }
300
301 /*
302 * decl o0 ; Vertex pos
303 * decl o1 ; Luma texcoords
304 * decl o2 ; Chroma Cb texcoords
305 * decl o3 ; Chroma Cr texcoords
306 * decl o4 ; Ref macroblock texcoords
307 */
308 for (i = 0; i < 5; i++) {
309 decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
310 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
311 }
312
313 /*
314 * mov o0, i0 ; Move input vertex pos to output
315 * mov o1, i1 ; Move input luma texcoords to output
316 * mov o2, i2 ; Move input chroma Cb texcoords to output
317 * mov o3, i3 ; Move input chroma Cr texcoords to output
318 */
319 for (i = 0; i < 4; ++i) {
320 inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
321 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
322 }
323
324 /* add o4, i0, i4 ; Translate vertex pos by motion vec to form ref macroblock texcoords */
325 inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 4, TGSI_FILE_INPUT, 0, TGSI_FILE_INPUT, 4);
326 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
327
328 /* end */
329 inst = vl_end();
330 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
331
332 assert(ti <= max_tokens);
333
334 vs.tokens = tokens;
335 r->p_vs[0] = r->pipe->create_vs_state(r->pipe, &vs);
336 free(tokens);
337 }
338
339 static void
340 create_field_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
341 {
342 assert(false);
343 }
344
345 static void
346 create_frame_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
347 {
348 const unsigned max_tokens = 100;
349
350 struct pipe_shader_state fs;
351 struct tgsi_token *tokens;
352 struct tgsi_header *header;
353
354 struct tgsi_full_declaration decl;
355 struct tgsi_full_instruction inst;
356
357 unsigned ti;
358
359 unsigned i;
360
361 assert(r);
362
363 tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
364 *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
365 header = (struct tgsi_header *) &tokens[1];
366 *header = tgsi_build_header();
367 *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
368
369 ti = 3;
370
371 /*
372 * decl i0 ; Luma texcoords
373 * decl i1 ; Chroma Cb texcoords
374 * decl i2 ; Chroma Cr texcoords
375 * decl i3 ; Ref macroblock texcoords
376 */
377 for (i = 0; i < 4; ++i) {
378 decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
379 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
380 }
381
382 /* decl c0 ; Scaling factor, rescales 16-bit snorm to 9-bit snorm */
383 decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 0);
384 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
385
386 /* decl o0 ; Fragment color */
387 decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
388 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
389
390 /* decl t0, t1 */
391 decl = vl_decl_temps(0, 1);
392 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
393
394 /*
395 * decl s0 ; Sampler for luma texture
396 * decl s1 ; Sampler for chroma Cb texture
397 * decl s2 ; Sampler for chroma Cr texture
398 * decl s3 ; Sampler for ref surface texture
399 */
400 for (i = 0; i < 4; ++i) {
401 decl = vl_decl_samplers(i, i);
402 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
403 }
404
405 /*
406 * tex2d t1, i0, s0 ; Read texel from luma texture
407 * mov t0.x, t1.x ; Move luma sample into .x component
408 * tex2d t1, i1, s1 ; Read texel from chroma Cb texture
409 * mov t0.y, t1.x ; Move Cb sample into .y component
410 * tex2d t1, i2, s2 ; Read texel from chroma Cr texture
411 * mov t0.z, t1.x ; Move Cr sample into .z component
412 */
413 for (i = 0; i < 3; ++i) {
414 inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i, TGSI_FILE_SAMPLER, i);
415 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
416
417 inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
418 inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
419 inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
420 inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
421 inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
422 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
423 }
424
425 /* mul t0, t0, c0 ; Rescale texel to correct range */
426 inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
427 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
428
429 /* tex2d t1, i3, s3 ; Read texel from ref macroblock */
430 inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, 3, TGSI_FILE_SAMPLER, 3);
431 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
432
433 /* add o0, t0, t1 ; Add ref and differential to form final output */
434 inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
435 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
436
437 /* end */
438 inst = vl_end();
439 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
440
441 assert(ti <= max_tokens);
442
443 fs.tokens = tokens;
444 r->p_fs[0] = r->pipe->create_fs_state(r->pipe, &fs);
445 free(tokens);
446 }
447
448 static void
449 create_field_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
450 {
451 assert(false);
452 }
453
454 static void
455 create_frame_bi_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
456 {
457 const unsigned max_tokens = 100;
458
459 struct pipe_shader_state vs;
460 struct tgsi_token *tokens;
461 struct tgsi_header *header;
462
463 struct tgsi_full_declaration decl;
464 struct tgsi_full_instruction inst;
465
466 unsigned ti;
467
468 unsigned i;
469
470 assert(r);
471
472 tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
473 *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
474 header = (struct tgsi_header *) &tokens[1];
475 *header = tgsi_build_header();
476 *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
477
478 ti = 3;
479
480 /*
481 * decl i0 ; Vertex pos
482 * decl i1 ; Luma texcoords
483 * decl i2 ; Chroma Cb texcoords
484 * decl i3 ; Chroma Cr texcoords
485 * decl i4 ; First ref macroblock top field texcoords
486 * decl i5 ; First ref macroblock bottom field texcoords (unused, packed in the same stream)
487 * decl i6 ; Second ref macroblock top field texcoords
488 * decl i7 ; Second ref macroblock bottom field texcoords (unused, packed in the same stream)
489 */
490 for (i = 0; i < 8; i++) {
491 decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
492 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
493 }
494
495 /*
496 * decl o0 ; Vertex pos
497 * decl o1 ; Luma texcoords
498 * decl o2 ; Chroma Cb texcoords
499 * decl o3 ; Chroma Cr texcoords
500 * decl o4 ; First ref macroblock texcoords
501 * decl o5 ; Second ref macroblock texcoords
502 */
503 for (i = 0; i < 6; i++) {
504 decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
505 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
506 }
507
508 /*
509 * mov o0, i0 ; Move input vertex pos to output
510 * mov o1, i1 ; Move input luma texcoords to output
511 * mov o2, i2 ; Move input chroma Cb texcoords to output
512 * mov o3, i3 ; Move input chroma Cr texcoords to output
513 */
514 for (i = 0; i < 4; ++i) {
515 inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
516 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
517 }
518
519 /*
520 * add o4, i0, i4 ; Translate vertex pos by motion vec to form first ref macroblock texcoords
521 * add o5, i0, i6 ; Translate vertex pos by motion vec to form second ref macroblock texcoords
522 */
523 for (i = 0; i < 2; ++i) {
524 inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, i + 4, TGSI_FILE_INPUT, 0, TGSI_FILE_INPUT, (i + 2) * 2);
525 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
526 }
527
528 /* end */
529 inst = vl_end();
530 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
531
532 assert(ti <= max_tokens);
533
534 vs.tokens = tokens;
535 r->b_vs[0] = r->pipe->create_vs_state(r->pipe, &vs);
536 free(tokens);
537 }
538
539 static void
540 create_field_bi_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
541 {
542 assert(false);
543 }
544
545 static void
546 create_frame_bi_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
547 {
548 const unsigned max_tokens = 100;
549
550 struct pipe_shader_state fs;
551 struct tgsi_token *tokens;
552 struct tgsi_header *header;
553
554 struct tgsi_full_declaration decl;
555 struct tgsi_full_instruction inst;
556
557 unsigned ti;
558
559 unsigned i;
560
561 assert(r);
562
563 tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
564 *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
565 header = (struct tgsi_header *) &tokens[1];
566 *header = tgsi_build_header();
567 *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
568
569 ti = 3;
570
571 /*
572 * decl i0 ; Luma texcoords
573 * decl i1 ; Chroma Cb texcoords
574 * decl i2 ; Chroma Cr texcoords
575 * decl i3 ; First ref macroblock texcoords
576 * decl i4 ; Second ref macroblock texcoords
577 */
578 for (i = 0; i < 5; ++i) {
579 decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
580 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
581 }
582
583 /*
584 * decl c0 ; Scaling factor, rescales 16-bit snorm to 9-bit snorm
585 * decl c1 ; Constant 1/2 in .x channel to use as weight to blend past and future texels
586 */
587 decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 1);
588 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
589
590 /* decl o0 ; Fragment color */
591 decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
592 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
593
594 /* decl t0-t2 */
595 decl = vl_decl_temps(0, 2);
596 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
597
598 /*
599 * decl s0 ; Sampler for luma texture
600 * decl s1 ; Sampler for chroma Cb texture
601 * decl s2 ; Sampler for chroma Cr texture
602 * decl s3 ; Sampler for first ref surface texture
603 * decl s4 ; Sampler for second ref surface texture
604 */
605 for (i = 0; i < 5; ++i) {
606 decl = vl_decl_samplers(i, i);
607 ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
608 }
609
610 /*
611 * tex2d t1, i0, s0 ; Read texel from luma texture
612 * mov t0.x, t1.x ; Move luma sample into .x component
613 * tex2d t1, i1, s1 ; Read texel from chroma Cb texture
614 * mov t0.y, t1.x ; Move Cb sample into .y component
615 * tex2d t1, i2, s2 ; Read texel from chroma Cr texture
616 * mov t0.z, t1.x ; Move Cr sample into .z component
617 */
618 for (i = 0; i < 3; ++i) {
619 inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i, TGSI_FILE_SAMPLER, i);
620 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
621
622 inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
623 inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
624 inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
625 inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
626 inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
627 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
628 }
629
630 /* mul t0, t0, c0 ; Rescale texel to correct range */
631 inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
632 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
633
634 /*
635 * tex2d t1, i3, s3 ; Read texel from first ref macroblock
636 * tex2d t2, i4, s4 ; Read texel from second ref macroblock
637 */
638 for (i = 0; i < 2; ++i) {
639 inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, i + 1, TGSI_FILE_INPUT, i + 3, TGSI_FILE_SAMPLER, i + 3);
640 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
641 }
642
643 /* lerp t1, c1.x, t1, t2 ; Blend past and future texels */
644 inst = vl_inst4(TGSI_OPCODE_LRP, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_CONSTANT, 1, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 2);
645 inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
646 inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
647 inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
648 inst.FullSrcRegisters[0].SrcRegister.SwizzleW = TGSI_SWIZZLE_X;
649 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
650
651 /* add o0, t0, t1 ; Add past/future ref and differential to form final output */
652 inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
653 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
654
655 /* end */
656 inst = vl_end();
657 ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
658
659 assert(ti <= max_tokens);
660
661 fs.tokens = tokens;
662 r->b_fs[0] = r->pipe->create_fs_state(r->pipe, &fs);
663 free(tokens);
664 }
665
666 static void
667 create_field_bi_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
668 {
669 assert(false);
670 }
671
672 static void
673 xfer_buffers_map(struct vl_mpeg12_mc_renderer *r)
674 {
675 unsigned i;
676
677 assert(r);
678
679 for (i = 0; i < 3; ++i) {
680 r->tex_transfer[i] = r->pipe->screen->get_tex_transfer
681 (
682 r->pipe->screen, r->textures.all[i],
683 0, 0, 0, PIPE_TRANSFER_WRITE, 0, 0,
684 r->textures.all[i]->width0, r->textures.all[i]->height0
685 );
686
687 r->texels[i] = r->pipe->screen->transfer_map(r->pipe->screen, r->tex_transfer[i]);
688 }
689 }
690
691 static void
692 xfer_buffers_unmap(struct vl_mpeg12_mc_renderer *r)
693 {
694 unsigned i;
695
696 assert(r);
697
698 for (i = 0; i < 3; ++i) {
699 r->pipe->screen->transfer_unmap(r->pipe->screen, r->tex_transfer[i]);
700 r->pipe->screen->tex_transfer_destroy(r->tex_transfer[i]);
701 }
702 }
703
704 static bool
705 init_pipe_state(struct vl_mpeg12_mc_renderer *r)
706 {
707 struct pipe_sampler_state sampler;
708 unsigned filters[5];
709 unsigned i;
710
711 assert(r);
712
713 r->viewport.scale[0] = r->pot_buffers ?
714 util_next_power_of_two(r->picture_width) : r->picture_width;
715 r->viewport.scale[1] = r->pot_buffers ?
716 util_next_power_of_two(r->picture_height) : r->picture_height;
717 r->viewport.scale[2] = 1;
718 r->viewport.scale[3] = 1;
719 r->viewport.translate[0] = 0;
720 r->viewport.translate[1] = 0;
721 r->viewport.translate[2] = 0;
722 r->viewport.translate[3] = 0;
723
724 r->scissor.maxx = r->pot_buffers ?
725 util_next_power_of_two(r->picture_width) : r->picture_width;
726 r->scissor.maxy = r->pot_buffers ?
727 util_next_power_of_two(r->picture_height) : r->picture_height;
728
729 r->fb_state.width = r->pot_buffers ?
730 util_next_power_of_two(r->picture_width) : r->picture_width;
731 r->fb_state.height = r->pot_buffers ?
732 util_next_power_of_two(r->picture_height) : r->picture_height;
733 r->fb_state.nr_cbufs = 1;
734 r->fb_state.zsbuf = NULL;
735
736 /* Luma filter */
737 filters[0] = PIPE_TEX_FILTER_NEAREST;
738 /* Chroma filters */
739 if (r->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_444 ||
740 r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE) {
741 filters[1] = PIPE_TEX_FILTER_NEAREST;
742 filters[2] = PIPE_TEX_FILTER_NEAREST;
743 }
744 else {
745 filters[1] = PIPE_TEX_FILTER_LINEAR;
746 filters[2] = PIPE_TEX_FILTER_LINEAR;
747 }
748 /* Fwd, bkwd ref filters */
749 filters[3] = PIPE_TEX_FILTER_LINEAR;
750 filters[4] = PIPE_TEX_FILTER_LINEAR;
751
752 for (i = 0; i < 5; ++i) {
753 sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
754 sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
755 sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
756 sampler.min_img_filter = filters[i];
757 sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
758 sampler.mag_img_filter = filters[i];
759 sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
760 sampler.compare_func = PIPE_FUNC_ALWAYS;
761 sampler.normalized_coords = 1;
762 /*sampler.prefilter = ; */
763 /*sampler.shadow_ambient = ; */
764 /*sampler.lod_bias = ; */
765 sampler.min_lod = 0;
766 /*sampler.max_lod = ; */
767 /*sampler.border_color[i] = ; */
768 /*sampler.max_anisotropy = ; */
769 r->samplers.all[i] = r->pipe->create_sampler_state(r->pipe, &sampler);
770 }
771
772 return true;
773 }
774
775 static void
776 cleanup_pipe_state(struct vl_mpeg12_mc_renderer *r)
777 {
778 unsigned i;
779
780 assert(r);
781
782 for (i = 0; i < 5; ++i)
783 r->pipe->delete_sampler_state(r->pipe, r->samplers.all[i]);
784 }
785
786 static bool
787 init_shaders(struct vl_mpeg12_mc_renderer *r)
788 {
789 assert(r);
790
791 create_intra_vert_shader(r);
792 create_intra_frag_shader(r);
793 create_frame_pred_vert_shader(r);
794 create_frame_pred_frag_shader(r);
795 create_frame_bi_pred_vert_shader(r);
796 create_frame_bi_pred_frag_shader(r);
797
798 return true;
799 }
800
801 static void
802 cleanup_shaders(struct vl_mpeg12_mc_renderer *r)
803 {
804 assert(r);
805
806 r->pipe->delete_vs_state(r->pipe, r->i_vs);
807 r->pipe->delete_fs_state(r->pipe, r->i_fs);
808 r->pipe->delete_vs_state(r->pipe, r->p_vs[0]);
809 r->pipe->delete_fs_state(r->pipe, r->p_fs[0]);
810 r->pipe->delete_vs_state(r->pipe, r->b_vs[0]);
811 r->pipe->delete_fs_state(r->pipe, r->b_fs[0]);
812 }
813
814 static bool
815 init_buffers(struct vl_mpeg12_mc_renderer *r)
816 {
817 struct pipe_texture template;
818
819 const unsigned mbw =
820 align(r->picture_width, MACROBLOCK_WIDTH) / MACROBLOCK_WIDTH;
821 const unsigned mbh =
822 align(r->picture_height, MACROBLOCK_HEIGHT) / MACROBLOCK_HEIGHT;
823
824 unsigned i;
825
826 assert(r);
827
828 r->macroblocks_per_batch =
829 mbw * (r->bufmode == VL_MPEG12_MC_RENDERER_BUFFER_PICTURE ? mbh : 1);
830 r->num_macroblocks = 0;
831 r->macroblock_buf = MALLOC(r->macroblocks_per_batch * sizeof(struct pipe_mpeg12_macroblock));
832
833 memset(&template, 0, sizeof(struct pipe_texture));
834 template.target = PIPE_TEXTURE_2D;
835 /* TODO: Accomodate HW that can't do this and also for cases when this isn't precise enough */
836 template.format = PIPE_FORMAT_R16_SNORM;
837 template.last_level = 0;
838 template.width0 = r->pot_buffers ?
839 util_next_power_of_two(r->picture_width) : r->picture_width;
840 template.height0 = r->pot_buffers ?
841 util_next_power_of_two(r->picture_height) : r->picture_height;
842 template.depth0 = 1;
843 template.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER | PIPE_TEXTURE_USAGE_DYNAMIC;
844
845 r->textures.individual.y = r->pipe->screen->texture_create(r->pipe->screen, &template);
846
847 if (r->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) {
848 template.width0 = r->pot_buffers ?
849 util_next_power_of_two(r->picture_width / 2) :
850 r->picture_width / 2;
851 template.height0 = r->pot_buffers ?
852 util_next_power_of_two(r->picture_height / 2) :
853 r->picture_height / 2;
854 }
855 else if (r->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422)
856 template.height0 = r->pot_buffers ?
857 util_next_power_of_two(r->picture_height / 2) :
858 r->picture_height / 2;
859
860 r->textures.individual.cb =
861 r->pipe->screen->texture_create(r->pipe->screen, &template);
862 r->textures.individual.cr =
863 r->pipe->screen->texture_create(r->pipe->screen, &template);
864
865 r->vertex_bufs.individual.ycbcr.stride = sizeof(struct vertex2f) * 4;
866 r->vertex_bufs.individual.ycbcr.max_index = 24 * r->macroblocks_per_batch - 1;
867 r->vertex_bufs.individual.ycbcr.buffer_offset = 0;
868 r->vertex_bufs.individual.ycbcr.buffer = pipe_buffer_create
869 (
870 r->pipe->screen,
871 DEFAULT_BUF_ALIGNMENT,
872 PIPE_BUFFER_USAGE_VERTEX | PIPE_BUFFER_USAGE_DISCARD,
873 sizeof(struct vertex2f) * 4 * 24 * r->macroblocks_per_batch
874 );
875
876 for (i = 1; i < 3; ++i) {
877 r->vertex_bufs.all[i].stride = sizeof(struct vertex2f) * 2;
878 r->vertex_bufs.all[i].max_index = 24 * r->macroblocks_per_batch - 1;
879 r->vertex_bufs.all[i].buffer_offset = 0;
880 r->vertex_bufs.all[i].buffer = pipe_buffer_create
881 (
882 r->pipe->screen,
883 DEFAULT_BUF_ALIGNMENT,
884 PIPE_BUFFER_USAGE_VERTEX | PIPE_BUFFER_USAGE_DISCARD,
885 sizeof(struct vertex2f) * 2 * 24 * r->macroblocks_per_batch
886 );
887 }
888
889 /* Position element */
890 r->vertex_elems[0].src_offset = 0;
891 r->vertex_elems[0].vertex_buffer_index = 0;
892 r->vertex_elems[0].nr_components = 2;
893 r->vertex_elems[0].src_format = PIPE_FORMAT_R32G32_FLOAT;
894
895 /* Luma, texcoord element */
896 r->vertex_elems[1].src_offset = sizeof(struct vertex2f);
897 r->vertex_elems[1].vertex_buffer_index = 0;
898 r->vertex_elems[1].nr_components = 2;
899 r->vertex_elems[1].src_format = PIPE_FORMAT_R32G32_FLOAT;
900
901 /* Chroma Cr texcoord element */
902 r->vertex_elems[2].src_offset = sizeof(struct vertex2f) * 2;
903 r->vertex_elems[2].vertex_buffer_index = 0;
904 r->vertex_elems[2].nr_components = 2;
905 r->vertex_elems[2].src_format = PIPE_FORMAT_R32G32_FLOAT;
906
907 /* Chroma Cb texcoord element */
908 r->vertex_elems[3].src_offset = sizeof(struct vertex2f) * 3;
909 r->vertex_elems[3].vertex_buffer_index = 0;
910 r->vertex_elems[3].nr_components = 2;
911 r->vertex_elems[3].src_format = PIPE_FORMAT_R32G32_FLOAT;
912
913 /* First ref surface top field texcoord element */
914 r->vertex_elems[4].src_offset = 0;
915 r->vertex_elems[4].vertex_buffer_index = 1;
916 r->vertex_elems[4].nr_components = 2;
917 r->vertex_elems[4].src_format = PIPE_FORMAT_R32G32_FLOAT;
918
919 /* First ref surface bottom field texcoord element */
920 r->vertex_elems[5].src_offset = sizeof(struct vertex2f);
921 r->vertex_elems[5].vertex_buffer_index = 1;
922 r->vertex_elems[5].nr_components = 2;
923 r->vertex_elems[5].src_format = PIPE_FORMAT_R32G32_FLOAT;
924
925 /* Second ref surface top field texcoord element */
926 r->vertex_elems[6].src_offset = 0;
927 r->vertex_elems[6].vertex_buffer_index = 2;
928 r->vertex_elems[6].nr_components = 2;
929 r->vertex_elems[6].src_format = PIPE_FORMAT_R32G32_FLOAT;
930
931 /* Second ref surface bottom field texcoord element */
932 r->vertex_elems[7].src_offset = sizeof(struct vertex2f);
933 r->vertex_elems[7].vertex_buffer_index = 2;
934 r->vertex_elems[7].nr_components = 2;
935 r->vertex_elems[7].src_format = PIPE_FORMAT_R32G32_FLOAT;
936
937 r->vs_const_buf.buffer = pipe_buffer_create
938 (
939 r->pipe->screen,
940 DEFAULT_BUF_ALIGNMENT,
941 PIPE_BUFFER_USAGE_CONSTANT | PIPE_BUFFER_USAGE_DISCARD,
942 sizeof(struct vertex_shader_consts)
943 );
944
945 r->fs_const_buf.buffer = pipe_buffer_create
946 (
947 r->pipe->screen,
948 DEFAULT_BUF_ALIGNMENT,
949 PIPE_BUFFER_USAGE_CONSTANT, sizeof(struct fragment_shader_consts)
950 );
951
952 memcpy
953 (
954 pipe_buffer_map(r->pipe->screen, r->fs_const_buf.buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
955 &fs_consts, sizeof(struct fragment_shader_consts)
956 );
957
958 pipe_buffer_unmap(r->pipe->screen, r->fs_const_buf.buffer);
959
960 return true;
961 }
962
963 static void
964 cleanup_buffers(struct vl_mpeg12_mc_renderer *r)
965 {
966 unsigned i;
967
968 assert(r);
969
970 pipe_buffer_reference(&r->vs_const_buf.buffer, NULL);
971 pipe_buffer_reference(&r->fs_const_buf.buffer, NULL);
972
973 for (i = 0; i < 3; ++i)
974 pipe_buffer_reference(&r->vertex_bufs.all[i].buffer, NULL);
975
976 for (i = 0; i < 3; ++i)
977 pipe_texture_reference(&r->textures.all[i], NULL);
978
979 FREE(r->macroblock_buf);
980 }
981
982 static enum MACROBLOCK_TYPE
983 get_macroblock_type(struct pipe_mpeg12_macroblock *mb)
984 {
985 assert(mb);
986
987 switch (mb->mb_type) {
988 case PIPE_MPEG12_MACROBLOCK_TYPE_INTRA:
989 return MACROBLOCK_TYPE_INTRA;
990 case PIPE_MPEG12_MACROBLOCK_TYPE_FWD:
991 return mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FRAME ?
992 MACROBLOCK_TYPE_FWD_FRAME_PRED : MACROBLOCK_TYPE_FWD_FIELD_PRED;
993 case PIPE_MPEG12_MACROBLOCK_TYPE_BKWD:
994 return mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FRAME ?
995 MACROBLOCK_TYPE_BKWD_FRAME_PRED : MACROBLOCK_TYPE_BKWD_FIELD_PRED;
996 case PIPE_MPEG12_MACROBLOCK_TYPE_BI:
997 return mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FRAME ?
998 MACROBLOCK_TYPE_BI_FRAME_PRED : MACROBLOCK_TYPE_BI_FIELD_PRED;
999 default:
1000 assert(0);
1001 }
1002
1003 /* Unreachable */
1004 return -1;
1005 }
1006
1007 /* XXX: One of these days this will have to be killed with fire */
1008 #define SET_BLOCK(vb, cbp, mbx, mby, unitx, unity, ofsx, ofsy, hx, hy, lm, cbm, crm, use_zb, zb) \
1009 do { \
1010 (vb)[0].pos.x = (mbx) * (unitx) + (ofsx); (vb)[0].pos.y = (mby) * (unity) + (ofsy); \
1011 (vb)[1].pos.x = (mbx) * (unitx) + (ofsx); (vb)[1].pos.y = (mby) * (unity) + (ofsy) + (hy); \
1012 (vb)[2].pos.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[2].pos.y = (mby) * (unity) + (ofsy); \
1013 (vb)[3].pos.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[3].pos.y = (mby) * (unity) + (ofsy); \
1014 (vb)[4].pos.x = (mbx) * (unitx) + (ofsx); (vb)[4].pos.y = (mby) * (unity) + (ofsy) + (hy); \
1015 (vb)[5].pos.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[5].pos.y = (mby) * (unity) + (ofsy) + (hy); \
1016 \
1017 if (!use_zb || (cbp) & (lm)) \
1018 { \
1019 (vb)[0].luma_tc.x = (mbx) * (unitx) + (ofsx); (vb)[0].luma_tc.y = (mby) * (unity) + (ofsy); \
1020 (vb)[1].luma_tc.x = (mbx) * (unitx) + (ofsx); (vb)[1].luma_tc.y = (mby) * (unity) + (ofsy) + (hy); \
1021 (vb)[2].luma_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[2].luma_tc.y = (mby) * (unity) + (ofsy); \
1022 (vb)[3].luma_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[3].luma_tc.y = (mby) * (unity) + (ofsy); \
1023 (vb)[4].luma_tc.x = (mbx) * (unitx) + (ofsx); (vb)[4].luma_tc.y = (mby) * (unity) + (ofsy) + (hy); \
1024 (vb)[5].luma_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[5].luma_tc.y = (mby) * (unity) + (ofsy) + (hy); \
1025 } \
1026 else \
1027 { \
1028 (vb)[0].luma_tc.x = (zb)[0].x; (vb)[0].luma_tc.y = (zb)[0].y; \
1029 (vb)[1].luma_tc.x = (zb)[0].x; (vb)[1].luma_tc.y = (zb)[0].y + (hy); \
1030 (vb)[2].luma_tc.x = (zb)[0].x + (hx); (vb)[2].luma_tc.y = (zb)[0].y; \
1031 (vb)[3].luma_tc.x = (zb)[0].x + (hx); (vb)[3].luma_tc.y = (zb)[0].y; \
1032 (vb)[4].luma_tc.x = (zb)[0].x; (vb)[4].luma_tc.y = (zb)[0].y + (hy); \
1033 (vb)[5].luma_tc.x = (zb)[0].x + (hx); (vb)[5].luma_tc.y = (zb)[0].y + (hy); \
1034 } \
1035 \
1036 if (!use_zb || (cbp) & (cbm)) \
1037 { \
1038 (vb)[0].cb_tc.x = (mbx) * (unitx) + (ofsx); (vb)[0].cb_tc.y = (mby) * (unity) + (ofsy); \
1039 (vb)[1].cb_tc.x = (mbx) * (unitx) + (ofsx); (vb)[1].cb_tc.y = (mby) * (unity) + (ofsy) + (hy); \
1040 (vb)[2].cb_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[2].cb_tc.y = (mby) * (unity) + (ofsy); \
1041 (vb)[3].cb_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[3].cb_tc.y = (mby) * (unity) + (ofsy); \
1042 (vb)[4].cb_tc.x = (mbx) * (unitx) + (ofsx); (vb)[4].cb_tc.y = (mby) * (unity) + (ofsy) + (hy); \
1043 (vb)[5].cb_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[5].cb_tc.y = (mby) * (unity) + (ofsy) + (hy); \
1044 } \
1045 else \
1046 { \
1047 (vb)[0].cb_tc.x = (zb)[1].x; (vb)[0].cb_tc.y = (zb)[1].y; \
1048 (vb)[1].cb_tc.x = (zb)[1].x; (vb)[1].cb_tc.y = (zb)[1].y + (hy); \
1049 (vb)[2].cb_tc.x = (zb)[1].x + (hx); (vb)[2].cb_tc.y = (zb)[1].y; \
1050 (vb)[3].cb_tc.x = (zb)[1].x + (hx); (vb)[3].cb_tc.y = (zb)[1].y; \
1051 (vb)[4].cb_tc.x = (zb)[1].x; (vb)[4].cb_tc.y = (zb)[1].y + (hy); \
1052 (vb)[5].cb_tc.x = (zb)[1].x + (hx); (vb)[5].cb_tc.y = (zb)[1].y + (hy); \
1053 } \
1054 \
1055 if (!use_zb || (cbp) & (crm)) \
1056 { \
1057 (vb)[0].cr_tc.x = (mbx) * (unitx) + (ofsx); (vb)[0].cr_tc.y = (mby) * (unity) + (ofsy); \
1058 (vb)[1].cr_tc.x = (mbx) * (unitx) + (ofsx); (vb)[1].cr_tc.y = (mby) * (unity) + (ofsy) + (hy); \
1059 (vb)[2].cr_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[2].cr_tc.y = (mby) * (unity) + (ofsy); \
1060 (vb)[3].cr_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[3].cr_tc.y = (mby) * (unity) + (ofsy); \
1061 (vb)[4].cr_tc.x = (mbx) * (unitx) + (ofsx); (vb)[4].cr_tc.y = (mby) * (unity) + (ofsy) + (hy); \
1062 (vb)[5].cr_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[5].cr_tc.y = (mby) * (unity) + (ofsy) + (hy); \
1063 } \
1064 else \
1065 { \
1066 (vb)[0].cr_tc.x = (zb)[2].x; (vb)[0].cr_tc.y = (zb)[2].y; \
1067 (vb)[1].cr_tc.x = (zb)[2].x; (vb)[1].cr_tc.y = (zb)[2].y + (hy); \
1068 (vb)[2].cr_tc.x = (zb)[2].x + (hx); (vb)[2].cr_tc.y = (zb)[2].y; \
1069 (vb)[3].cr_tc.x = (zb)[2].x + (hx); (vb)[3].cr_tc.y = (zb)[2].y; \
1070 (vb)[4].cr_tc.x = (zb)[2].x; (vb)[4].cr_tc.y = (zb)[2].y + (hy); \
1071 (vb)[5].cr_tc.x = (zb)[2].x + (hx); (vb)[5].cr_tc.y = (zb)[2].y + (hy); \
1072 } \
1073 } while (0)
1074
1075 static void
1076 gen_macroblock_verts(struct vl_mpeg12_mc_renderer *r,
1077 struct pipe_mpeg12_macroblock *mb, unsigned pos,
1078 struct vert_stream_0 *ycbcr_vb, struct vertex2f **ref_vb)
1079 {
1080 struct vertex2f mo_vec[2];
1081
1082 unsigned i;
1083
1084 assert(r);
1085 assert(mb);
1086 assert(ycbcr_vb);
1087 assert(pos < r->macroblocks_per_batch);
1088
1089 switch (mb->mb_type) {
1090 case PIPE_MPEG12_MACROBLOCK_TYPE_BI:
1091 {
1092 struct vertex2f *vb;
1093
1094 assert(ref_vb && ref_vb[1]);
1095
1096 vb = ref_vb[1] + pos * 2 * 24;
1097
1098 mo_vec[0].x = mb->pmv[0][1][0] * 0.5f * r->surface_tex_inv_size.x;
1099 mo_vec[0].y = mb->pmv[0][1][1] * 0.5f * r->surface_tex_inv_size.y;
1100
1101 if (mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FRAME) {
1102 for (i = 0; i < 24 * 2; i += 2) {
1103 vb[i].x = mo_vec[0].x;
1104 vb[i].y = mo_vec[0].y;
1105 }
1106 }
1107 else {
1108 mo_vec[1].x = mb->pmv[1][1][0] * 0.5f * r->surface_tex_inv_size.x;
1109 mo_vec[1].y = mb->pmv[1][1][1] * 0.5f * r->surface_tex_inv_size.y;
1110
1111 for (i = 0; i < 24 * 2; i += 2) {
1112 vb[i].x = mo_vec[0].x;
1113 vb[i].y = mo_vec[0].y;
1114 vb[i + 1].x = mo_vec[1].x;
1115 vb[i + 1].y = mo_vec[1].y;
1116 }
1117 }
1118
1119 /* fall-through */
1120 }
1121 case PIPE_MPEG12_MACROBLOCK_TYPE_FWD:
1122 case PIPE_MPEG12_MACROBLOCK_TYPE_BKWD:
1123 {
1124 struct vertex2f *vb;
1125
1126 assert(ref_vb && ref_vb[0]);
1127
1128 vb = ref_vb[0] + pos * 2 * 24;
1129
1130 if (mb->mb_type == PIPE_MPEG12_MACROBLOCK_TYPE_BKWD) {
1131 mo_vec[0].x = mb->pmv[0][1][0] * 0.5f * r->surface_tex_inv_size.x;
1132 mo_vec[0].y = mb->pmv[0][1][1] * 0.5f * r->surface_tex_inv_size.y;
1133
1134 if (mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FIELD) {
1135 mo_vec[1].x = mb->pmv[1][1][0] * 0.5f * r->surface_tex_inv_size.x;
1136 mo_vec[1].y = mb->pmv[1][1][1] * 0.5f * r->surface_tex_inv_size.y;
1137 }
1138 }
1139 else {
1140 mo_vec[0].x = mb->pmv[0][0][0] * 0.5f * r->surface_tex_inv_size.x;
1141 mo_vec[0].y = mb->pmv[0][0][1] * 0.5f * r->surface_tex_inv_size.y;
1142
1143 if (mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FIELD) {
1144 mo_vec[1].x = mb->pmv[1][0][0] * 0.5f * r->surface_tex_inv_size.x;
1145 mo_vec[1].y = mb->pmv[1][0][1] * 0.5f * r->surface_tex_inv_size.y;
1146 }
1147 }
1148
1149 if (mb->mb_type == PIPE_MPEG12_MOTION_TYPE_FRAME) {
1150 for (i = 0; i < 24 * 2; i += 2) {
1151 vb[i].x = mo_vec[0].x;
1152 vb[i].y = mo_vec[0].y;
1153 }
1154 }
1155 else {
1156 for (i = 0; i < 24 * 2; i += 2) {
1157 vb[i].x = mo_vec[0].x;
1158 vb[i].y = mo_vec[0].y;
1159 vb[i + 1].x = mo_vec[1].x;
1160 vb[i + 1].y = mo_vec[1].y;
1161 }
1162 }
1163
1164 /* fall-through */
1165 }
1166 case PIPE_MPEG12_MACROBLOCK_TYPE_INTRA:
1167 {
1168 const struct vertex2f unit =
1169 {
1170 r->surface_tex_inv_size.x * MACROBLOCK_WIDTH,
1171 r->surface_tex_inv_size.y * MACROBLOCK_HEIGHT
1172 };
1173 const struct vertex2f half =
1174 {
1175 r->surface_tex_inv_size.x * (MACROBLOCK_WIDTH / 2),
1176 r->surface_tex_inv_size.y * (MACROBLOCK_HEIGHT / 2)
1177 };
1178 const bool use_zb = r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE;
1179
1180 struct vert_stream_0 *vb = ycbcr_vb + pos * 24;
1181
1182 SET_BLOCK(vb, mb->cbp, mb->mbx, mb->mby,
1183 unit.x, unit.y, 0, 0, half.x, half.y,
1184 32, 2, 1, use_zb, r->zero_block);
1185
1186 SET_BLOCK(vb + 6, mb->cbp, mb->mbx, mb->mby,
1187 unit.x, unit.y, half.x, 0, half.x, half.y,
1188 16, 2, 1, use_zb, r->zero_block);
1189
1190 SET_BLOCK(vb + 12, mb->cbp, mb->mbx, mb->mby,
1191 unit.x, unit.y, 0, half.y, half.x, half.y,
1192 8, 2, 1, use_zb, r->zero_block);
1193
1194 SET_BLOCK(vb + 18, mb->cbp, mb->mbx, mb->mby,
1195 unit.x, unit.y, half.x, half.y, half.x, half.y,
1196 4, 2, 1, use_zb, r->zero_block);
1197
1198 break;
1199 }
1200 default:
1201 assert(0);
1202 }
1203 }
1204
1205 static void
1206 gen_macroblock_stream(struct vl_mpeg12_mc_renderer *r,
1207 unsigned *num_macroblocks)
1208 {
1209 unsigned offset[NUM_MACROBLOCK_TYPES];
1210 struct vert_stream_0 *ycbcr_vb;
1211 struct vertex2f *ref_vb[2];
1212 unsigned i;
1213
1214 assert(r);
1215 assert(num_macroblocks);
1216
1217 for (i = 0; i < r->num_macroblocks; ++i) {
1218 enum MACROBLOCK_TYPE mb_type = get_macroblock_type(&r->macroblock_buf[i]);
1219 ++num_macroblocks[mb_type];
1220 }
1221
1222 offset[0] = 0;
1223
1224 for (i = 1; i < NUM_MACROBLOCK_TYPES; ++i)
1225 offset[i] = offset[i - 1] + num_macroblocks[i - 1];
1226
1227 ycbcr_vb = (struct vert_stream_0 *)pipe_buffer_map
1228 (
1229 r->pipe->screen,
1230 r->vertex_bufs.individual.ycbcr.buffer,
1231 PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_DISCARD
1232 );
1233
1234 for (i = 0; i < 2; ++i)
1235 ref_vb[i] = (struct vertex2f *)pipe_buffer_map
1236 (
1237 r->pipe->screen,
1238 r->vertex_bufs.individual.ref[i].buffer,
1239 PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_DISCARD
1240 );
1241
1242 for (i = 0; i < r->num_macroblocks; ++i) {
1243 enum MACROBLOCK_TYPE mb_type = get_macroblock_type(&r->macroblock_buf[i]);
1244
1245 gen_macroblock_verts(r, &r->macroblock_buf[i], offset[mb_type],
1246 ycbcr_vb, ref_vb);
1247
1248 ++offset[mb_type];
1249 }
1250
1251 pipe_buffer_unmap(r->pipe->screen, r->vertex_bufs.individual.ycbcr.buffer);
1252 for (i = 0; i < 2; ++i)
1253 pipe_buffer_unmap(r->pipe->screen, r->vertex_bufs.individual.ref[i].buffer);
1254 }
1255
1256 static void
1257 flush(struct vl_mpeg12_mc_renderer *r)
1258 {
1259 unsigned num_macroblocks[NUM_MACROBLOCK_TYPES] = { 0 };
1260 unsigned vb_start = 0;
1261 struct vertex_shader_consts *vs_consts;
1262 unsigned i;
1263
1264 assert(r);
1265 assert(r->num_macroblocks == r->macroblocks_per_batch);
1266
1267 gen_macroblock_stream(r, num_macroblocks);
1268
1269 r->fb_state.cbufs[0] = r->pipe->screen->get_tex_surface
1270 (
1271 r->pipe->screen, r->surface,
1272 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE
1273 );
1274
1275 r->pipe->set_framebuffer_state(r->pipe, &r->fb_state);
1276 r->pipe->set_viewport_state(r->pipe, &r->viewport);
1277 r->pipe->set_scissor_state(r->pipe, &r->scissor);
1278
1279 vs_consts = pipe_buffer_map
1280 (
1281 r->pipe->screen, r->vs_const_buf.buffer,
1282 PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_DISCARD
1283 );
1284
1285 vs_consts->denorm.x = r->surface->width0;
1286 vs_consts->denorm.y = r->surface->height0;
1287
1288 pipe_buffer_unmap(r->pipe->screen, r->vs_const_buf.buffer);
1289
1290 r->pipe->set_constant_buffer(r->pipe, PIPE_SHADER_VERTEX, 0,
1291 &r->vs_const_buf);
1292 r->pipe->set_constant_buffer(r->pipe, PIPE_SHADER_FRAGMENT, 0,
1293 &r->fs_const_buf);
1294
1295 if (num_macroblocks[MACROBLOCK_TYPE_INTRA] > 0) {
1296 r->pipe->set_vertex_buffers(r->pipe, 1, r->vertex_bufs.all);
1297 r->pipe->set_vertex_elements(r->pipe, 4, r->vertex_elems);
1298 r->pipe->set_sampler_textures(r->pipe, 3, r->textures.all);
1299 r->pipe->bind_sampler_states(r->pipe, 3, r->samplers.all);
1300 r->pipe->bind_vs_state(r->pipe, r->i_vs);
1301 r->pipe->bind_fs_state(r->pipe, r->i_fs);
1302
1303 r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
1304 num_macroblocks[MACROBLOCK_TYPE_INTRA] * 24);
1305 vb_start += num_macroblocks[MACROBLOCK_TYPE_INTRA] * 24;
1306 }
1307
1308 if (num_macroblocks[MACROBLOCK_TYPE_FWD_FRAME_PRED] > 0) {
1309 r->pipe->set_vertex_buffers(r->pipe, 2, r->vertex_bufs.all);
1310 r->pipe->set_vertex_elements(r->pipe, 6, r->vertex_elems);
1311 r->textures.individual.ref[0] = r->past;
1312 r->pipe->set_sampler_textures(r->pipe, 4, r->textures.all);
1313 r->pipe->bind_sampler_states(r->pipe, 4, r->samplers.all);
1314 r->pipe->bind_vs_state(r->pipe, r->p_vs[0]);
1315 r->pipe->bind_fs_state(r->pipe, r->p_fs[0]);
1316
1317 r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
1318 num_macroblocks[MACROBLOCK_TYPE_FWD_FRAME_PRED] * 24);
1319 vb_start += num_macroblocks[MACROBLOCK_TYPE_FWD_FRAME_PRED] * 24;
1320 }
1321
1322 if (false /*num_macroblocks[MACROBLOCK_TYPE_FWD_FIELD_PRED] > 0 */ ) {
1323 r->pipe->set_vertex_buffers(r->pipe, 2, r->vertex_bufs.all);
1324 r->pipe->set_vertex_elements(r->pipe, 6, r->vertex_elems);
1325 r->textures.individual.ref[0] = r->past;
1326 r->pipe->set_sampler_textures(r->pipe, 4, r->textures.all);
1327 r->pipe->bind_sampler_states(r->pipe, 4, r->samplers.all);
1328 r->pipe->bind_vs_state(r->pipe, r->p_vs[1]);
1329 r->pipe->bind_fs_state(r->pipe, r->p_fs[1]);
1330
1331 r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
1332 num_macroblocks[MACROBLOCK_TYPE_FWD_FIELD_PRED] * 24);
1333 vb_start += num_macroblocks[MACROBLOCK_TYPE_FWD_FIELD_PRED] * 24;
1334 }
1335
1336 if (num_macroblocks[MACROBLOCK_TYPE_BKWD_FRAME_PRED] > 0) {
1337 r->pipe->set_vertex_buffers(r->pipe, 2, r->vertex_bufs.all);
1338 r->pipe->set_vertex_elements(r->pipe, 6, r->vertex_elems);
1339 r->textures.individual.ref[0] = r->future;
1340 r->pipe->set_sampler_textures(r->pipe, 4, r->textures.all);
1341 r->pipe->bind_sampler_states(r->pipe, 4, r->samplers.all);
1342 r->pipe->bind_vs_state(r->pipe, r->p_vs[0]);
1343 r->pipe->bind_fs_state(r->pipe, r->p_fs[0]);
1344
1345 r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
1346 num_macroblocks[MACROBLOCK_TYPE_BKWD_FRAME_PRED] * 24);
1347 vb_start += num_macroblocks[MACROBLOCK_TYPE_BKWD_FRAME_PRED] * 24;
1348 }
1349
1350 if (false /*num_macroblocks[MACROBLOCK_TYPE_BKWD_FIELD_PRED] > 0 */ ) {
1351 r->pipe->set_vertex_buffers(r->pipe, 2, r->vertex_bufs.all);
1352 r->pipe->set_vertex_elements(r->pipe, 6, r->vertex_elems);
1353 r->textures.individual.ref[0] = r->future;
1354 r->pipe->set_sampler_textures(r->pipe, 4, r->textures.all);
1355 r->pipe->bind_sampler_states(r->pipe, 4, r->samplers.all);
1356 r->pipe->bind_vs_state(r->pipe, r->p_vs[1]);
1357 r->pipe->bind_fs_state(r->pipe, r->p_fs[1]);
1358
1359 r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
1360 num_macroblocks[MACROBLOCK_TYPE_BKWD_FIELD_PRED] * 24);
1361 vb_start += num_macroblocks[MACROBLOCK_TYPE_BKWD_FIELD_PRED] * 24;
1362 }
1363
1364 if (num_macroblocks[MACROBLOCK_TYPE_BI_FRAME_PRED] > 0) {
1365 r->pipe->set_vertex_buffers(r->pipe, 3, r->vertex_bufs.all);
1366 r->pipe->set_vertex_elements(r->pipe, 8, r->vertex_elems);
1367 r->textures.individual.ref[0] = r->past;
1368 r->textures.individual.ref[1] = r->future;
1369 r->pipe->set_sampler_textures(r->pipe, 5, r->textures.all);
1370 r->pipe->bind_sampler_states(r->pipe, 5, r->samplers.all);
1371 r->pipe->bind_vs_state(r->pipe, r->b_vs[0]);
1372 r->pipe->bind_fs_state(r->pipe, r->b_fs[0]);
1373
1374 r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
1375 num_macroblocks[MACROBLOCK_TYPE_BI_FRAME_PRED] * 24);
1376 vb_start += num_macroblocks[MACROBLOCK_TYPE_BI_FRAME_PRED] * 24;
1377 }
1378
1379 if (false /*num_macroblocks[MACROBLOCK_TYPE_BI_FIELD_PRED] > 0 */ ) {
1380 r->pipe->set_vertex_buffers(r->pipe, 3, r->vertex_bufs.all);
1381 r->pipe->set_vertex_elements(r->pipe, 8, r->vertex_elems);
1382 r->textures.individual.ref[0] = r->past;
1383 r->textures.individual.ref[1] = r->future;
1384 r->pipe->set_sampler_textures(r->pipe, 5, r->textures.all);
1385 r->pipe->bind_sampler_states(r->pipe, 5, r->samplers.all);
1386 r->pipe->bind_vs_state(r->pipe, r->b_vs[1]);
1387 r->pipe->bind_fs_state(r->pipe, r->b_fs[1]);
1388
1389 r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
1390 num_macroblocks[MACROBLOCK_TYPE_BI_FIELD_PRED] * 24);
1391 vb_start += num_macroblocks[MACROBLOCK_TYPE_BI_FIELD_PRED] * 24;
1392 }
1393
1394 r->pipe->flush(r->pipe, PIPE_FLUSH_RENDER_CACHE, r->fence);
1395 pipe_surface_reference(&r->fb_state.cbufs[0], NULL);
1396
1397 if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE)
1398 for (i = 0; i < 3; ++i)
1399 r->zero_block[i].x = ZERO_BLOCK_NIL;
1400
1401 r->num_macroblocks = 0;
1402 }
1403
1404 static void
1405 grab_frame_coded_block(short *src, short *dst, unsigned dst_pitch)
1406 {
1407 unsigned y;
1408
1409 assert(src);
1410 assert(dst);
1411
1412 for (y = 0; y < BLOCK_HEIGHT; ++y)
1413 memcpy(dst + y * dst_pitch, src + y * BLOCK_WIDTH, BLOCK_WIDTH * 2);
1414 }
1415
1416 static void
1417 grab_field_coded_block(short *src, short *dst, unsigned dst_pitch)
1418 {
1419 unsigned y;
1420
1421 assert(src);
1422 assert(dst);
1423
1424 for (y = 0; y < BLOCK_HEIGHT; ++y)
1425 memcpy(dst + y * dst_pitch * 2, src + y * BLOCK_WIDTH, BLOCK_WIDTH * 2);
1426 }
1427
1428 static void
1429 fill_zero_block(short *dst, unsigned dst_pitch)
1430 {
1431 unsigned y;
1432
1433 assert(dst);
1434
1435 for (y = 0; y < BLOCK_HEIGHT; ++y)
1436 memset(dst + y * dst_pitch, 0, BLOCK_WIDTH * 2);
1437 }
1438
1439 static void
1440 grab_blocks(struct vl_mpeg12_mc_renderer *r, unsigned mbx, unsigned mby,
1441 enum pipe_mpeg12_dct_type dct_type, unsigned cbp, short *blocks)
1442 {
1443 unsigned tex_pitch;
1444 short *texels;
1445 unsigned tb = 0, sb = 0;
1446 unsigned mbpx = mbx * MACROBLOCK_WIDTH, mbpy = mby * MACROBLOCK_HEIGHT;
1447 unsigned x, y;
1448
1449 assert(r);
1450 assert(blocks);
1451
1452 tex_pitch = r->tex_transfer[0]->stride / r->tex_transfer[0]->block.size;
1453 texels = r->texels[0] + mbpy * tex_pitch + mbpx;
1454
1455 for (y = 0; y < 2; ++y) {
1456 for (x = 0; x < 2; ++x, ++tb) {
1457 if ((cbp >> (5 - tb)) & 1) {
1458 if (dct_type == PIPE_MPEG12_DCT_TYPE_FRAME) {
1459 grab_frame_coded_block(blocks + sb * BLOCK_WIDTH * BLOCK_HEIGHT,
1460 texels + y * tex_pitch * BLOCK_WIDTH +
1461 x * BLOCK_WIDTH, tex_pitch);
1462 }
1463 else {
1464 grab_field_coded_block(blocks + sb * BLOCK_WIDTH * BLOCK_HEIGHT,
1465 texels + y * tex_pitch + x * BLOCK_WIDTH,
1466 tex_pitch);
1467 }
1468
1469 ++sb;
1470 }
1471 else if (r->eb_handling != VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_NONE) {
1472 if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ALL ||
1473 ZERO_BLOCK_IS_NIL(r->zero_block[0])) {
1474 fill_zero_block(texels + y * tex_pitch * BLOCK_WIDTH + x * BLOCK_WIDTH, tex_pitch);
1475 if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE) {
1476 r->zero_block[0].x = (mbpx + x * 8) * r->surface_tex_inv_size.x;
1477 r->zero_block[0].y = (mbpy + y * 8) * r->surface_tex_inv_size.y;
1478 }
1479 }
1480 }
1481 }
1482 }
1483
1484 /* TODO: Implement 422, 444 */
1485 assert(r->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420);
1486
1487 mbpx /= 2;
1488 mbpy /= 2;
1489
1490 for (tb = 0; tb < 2; ++tb) {
1491 tex_pitch = r->tex_transfer[tb + 1]->stride / r->tex_transfer[tb + 1]->block.size;
1492 texels = r->texels[tb + 1] + mbpy * tex_pitch + mbpx;
1493
1494 if ((cbp >> (1 - tb)) & 1) {
1495 grab_frame_coded_block(blocks + sb * BLOCK_WIDTH * BLOCK_HEIGHT, texels, tex_pitch);
1496 ++sb;
1497 }
1498 else if (r->eb_handling != VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_NONE) {
1499 if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ALL ||
1500 ZERO_BLOCK_IS_NIL(r->zero_block[tb + 1])) {
1501 fill_zero_block(texels, tex_pitch);
1502 if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE) {
1503 r->zero_block[tb + 1].x = (mbpx << 1) * r->surface_tex_inv_size.x;
1504 r->zero_block[tb + 1].y = (mbpy << 1) * r->surface_tex_inv_size.y;
1505 }
1506 }
1507 }
1508 }
1509 }
1510
1511 static void
1512 grab_macroblock(struct vl_mpeg12_mc_renderer *r,
1513 struct pipe_mpeg12_macroblock *mb)
1514 {
1515 assert(r);
1516 assert(mb);
1517 assert(r->num_macroblocks < r->macroblocks_per_batch);
1518
1519 memcpy(&r->macroblock_buf[r->num_macroblocks], mb,
1520 sizeof(struct pipe_mpeg12_macroblock));
1521
1522 grab_blocks(r, mb->mbx, mb->mby, mb->dct_type, mb->cbp, mb->blocks);
1523
1524 ++r->num_macroblocks;
1525 }
1526
1527 bool
1528 vl_mpeg12_mc_renderer_init(struct vl_mpeg12_mc_renderer *renderer,
1529 struct pipe_context *pipe,
1530 unsigned picture_width,
1531 unsigned picture_height,
1532 enum pipe_video_chroma_format chroma_format,
1533 enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode,
1534 enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK eb_handling,
1535 bool pot_buffers)
1536 {
1537 unsigned i;
1538
1539 assert(renderer);
1540 assert(pipe);
1541 /* TODO: Implement other policies */
1542 assert(bufmode == VL_MPEG12_MC_RENDERER_BUFFER_PICTURE);
1543 /* TODO: Implement this */
1544 /* XXX: XFER_ALL sampling issue at block edges when using bilinear filtering */
1545 assert(eb_handling != VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_NONE);
1546 /* TODO: Non-pot buffers untested, probably doesn't work without changes to texcoord generation, vert shader, etc */
1547 assert(pot_buffers);
1548
1549 memset(renderer, 0, sizeof(struct vl_mpeg12_mc_renderer));
1550
1551 renderer->pipe = pipe;
1552 renderer->picture_width = picture_width;
1553 renderer->picture_height = picture_height;
1554 renderer->chroma_format = chroma_format;
1555 renderer->bufmode = bufmode;
1556 renderer->eb_handling = eb_handling;
1557 renderer->pot_buffers = pot_buffers;
1558
1559 if (!init_pipe_state(renderer))
1560 return false;
1561 if (!init_shaders(renderer)) {
1562 cleanup_pipe_state(renderer);
1563 return false;
1564 }
1565 if (!init_buffers(renderer)) {
1566 cleanup_shaders(renderer);
1567 cleanup_pipe_state(renderer);
1568 return false;
1569 }
1570
1571 renderer->surface = NULL;
1572 renderer->past = NULL;
1573 renderer->future = NULL;
1574 for (i = 0; i < 3; ++i)
1575 renderer->zero_block[i].x = ZERO_BLOCK_NIL;
1576 renderer->num_macroblocks = 0;
1577
1578 xfer_buffers_map(renderer);
1579
1580 return true;
1581 }
1582
1583 void
1584 vl_mpeg12_mc_renderer_cleanup(struct vl_mpeg12_mc_renderer *renderer)
1585 {
1586 assert(renderer);
1587
1588 xfer_buffers_unmap(renderer);
1589
1590 cleanup_pipe_state(renderer);
1591 cleanup_shaders(renderer);
1592 cleanup_buffers(renderer);
1593 }
1594
1595 void
1596 vl_mpeg12_mc_renderer_render_macroblocks(struct vl_mpeg12_mc_renderer
1597 *renderer,
1598 struct pipe_texture *surface,
1599 struct pipe_texture *past,
1600 struct pipe_texture *future,
1601 unsigned num_macroblocks,
1602 struct pipe_mpeg12_macroblock
1603 *mpeg12_macroblocks,
1604 struct pipe_fence_handle **fence)
1605 {
1606 bool new_surface = false;
1607
1608 assert(renderer);
1609 assert(surface);
1610 assert(num_macroblocks);
1611 assert(mpeg12_macroblocks);
1612
1613 if (renderer->surface) {
1614 if (surface != renderer->surface) {
1615 if (renderer->num_macroblocks > 0) {
1616 xfer_buffers_unmap(renderer);
1617 flush(renderer);
1618 }
1619
1620 new_surface = true;
1621 }
1622
1623 /* If the surface we're rendering hasn't changed the ref frames shouldn't change. */
1624 assert(surface != renderer->surface || renderer->past == past);
1625 assert(surface != renderer->surface || renderer->future == future);
1626 }
1627 else
1628 new_surface = true;
1629
1630 if (new_surface) {
1631 renderer->surface = surface;
1632 renderer->past = past;
1633 renderer->future = future;
1634 renderer->fence = fence;
1635 renderer->surface_tex_inv_size.x = 1.0f / surface->width0;
1636 renderer->surface_tex_inv_size.y = 1.0f / surface->height0;
1637 }
1638
1639 while (num_macroblocks) {
1640 unsigned left_in_batch = renderer->macroblocks_per_batch - renderer->num_macroblocks;
1641 unsigned num_to_submit = MIN2(num_macroblocks, left_in_batch);
1642 unsigned i;
1643
1644 for (i = 0; i < num_to_submit; ++i) {
1645 assert(mpeg12_macroblocks[i].base.codec == PIPE_VIDEO_CODEC_MPEG12);
1646 grab_macroblock(renderer, &mpeg12_macroblocks[i]);
1647 }
1648
1649 num_macroblocks -= num_to_submit;
1650
1651 if (renderer->num_macroblocks == renderer->macroblocks_per_batch) {
1652 xfer_buffers_unmap(renderer);
1653 flush(renderer);
1654 xfer_buffers_map(renderer);
1655 /* Next time we get this surface it may have new ref frames */
1656 renderer->surface = NULL;
1657 }
1658 }
1659 }