1 /**********************************************************
2 * Copyright 2009-2011 VMware, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 *********************************************************
25 * Authors:
26 * Zack Rusin <zackr-at-vmware-dot-com>
27 */
28 #include "xa_priv.h"
29
30 #include "pipe/p_format.h"
31 #include "pipe/p_context.h"
32 #include "pipe/p_state.h"
33 #include "pipe/p_shader_tokens.h"
34
35 #include "util/u_memory.h"
36
37 #include "tgsi/tgsi_ureg.h"
38
39 #include "cso_cache/cso_context.h"
40 #include "cso_cache/cso_hash.h"
41
42 /* Vertex shader:
43 * IN[0] = vertex pos
44 * IN[1] = src tex coord | solid fill color
45 * IN[2] = mask tex coord
46 * IN[3] = dst tex coord
47 * CONST[0] = (2/dst_width, 2/dst_height, 1, 1)
48 * CONST[1] = (-1, -1, 0, 0)
49 *
50 * OUT[0] = vertex pos
51 * OUT[1] = src tex coord | solid fill color
52 * OUT[2] = mask tex coord
53 * OUT[3] = dst tex coord
54 */
55
56 /* Fragment shader:
57 * SAMP[0] = src
58 * SAMP[1] = mask
59 * SAMP[2] = dst
60 * IN[0] = pos src | solid fill color
61 * IN[1] = pos mask
62 * IN[2] = pos dst
63 * CONST[0] = (0, 0, 0, 1)
64 *
65 * OUT[0] = color
66 */
67
68 static void
print_fs_traits(int fs_traits)69 print_fs_traits(int fs_traits)
70 {
71 const char *strings[] = {
72 "FS_COMPOSITE", /* = 1 << 0, */
73 "FS_MASK", /* = 1 << 1, */
74 "FS_SOLID_FILL", /* = 1 << 2, */
75 "FS_LINGRAD_FILL", /* = 1 << 3, */
76 "FS_RADGRAD_FILL", /* = 1 << 4, */
77 "FS_CA_FULL", /* = 1 << 5, *//* src.rgba * mask.rgba */
78 "FS_CA_SRCALPHA", /* = 1 << 6, *//* src.aaaa * mask.rgba */
79 "FS_YUV", /* = 1 << 7, */
80 "FS_SRC_REPEAT_NONE", /* = 1 << 8, */
81 "FS_MASK_REPEAT_NONE", /* = 1 << 9, */
82 "FS_SRC_SWIZZLE_RGB", /* = 1 << 10, */
83 "FS_MASK_SWIZZLE_RGB", /* = 1 << 11, */
84 "FS_SRC_SET_ALPHA", /* = 1 << 12, */
85 "FS_MASK_SET_ALPHA", /* = 1 << 13, */
86 "FS_SRC_LUMINANCE", /* = 1 << 14, */
87 "FS_MASK_LUMINANCE", /* = 1 << 15, */
88 "FS_DST_LUMINANCE", /* = 1 << 15, */
89 };
90 int i, k;
91
92 debug_printf("%s: ", __func__);
93
94 for (i = 0, k = 1; k < (1 << 16); i++, k <<= 1) {
95 if (fs_traits & k)
96 debug_printf("%s, ", strings[i]);
97 }
98
99 debug_printf("\n");
100 }
101
102 struct xa_shaders {
103 struct xa_context *r;
104
105 struct cso_hash *vs_hash;
106 struct cso_hash *fs_hash;
107 };
108
109 static INLINE void
src_in_mask(struct ureg_program * ureg,struct ureg_dst dst,struct ureg_src src,struct ureg_src mask,unsigned component_alpha,unsigned mask_luminance)110 src_in_mask(struct ureg_program *ureg,
111 struct ureg_dst dst,
112 struct ureg_src src,
113 struct ureg_src mask,
114 unsigned component_alpha, unsigned mask_luminance)
115 {
116 if (component_alpha == FS_CA_FULL) {
117 ureg_MUL(ureg, dst, src, mask);
118 } else if (component_alpha == FS_CA_SRCALPHA) {
119 ureg_MUL(ureg, dst, ureg_scalar(src, TGSI_SWIZZLE_W), mask);
120 } else {
121 if (mask_luminance)
122 ureg_MUL(ureg, dst, src, ureg_scalar(mask, TGSI_SWIZZLE_X));
123 else
124 ureg_MUL(ureg, dst, src, ureg_scalar(mask, TGSI_SWIZZLE_W));
125 }
126 }
127
128 static struct ureg_src
vs_normalize_coords(struct ureg_program * ureg,struct ureg_src coords,struct ureg_src const0,struct ureg_src const1)129 vs_normalize_coords(struct ureg_program *ureg,
130 struct ureg_src coords,
131 struct ureg_src const0, struct ureg_src const1)
132 {
133 struct ureg_dst tmp = ureg_DECL_temporary(ureg);
134 struct ureg_src ret;
135
136 ureg_MAD(ureg, tmp, coords, const0, const1);
137 ret = ureg_src(tmp);
138 ureg_release_temporary(ureg, tmp);
139 return ret;
140 }
141
142 static void
linear_gradient(struct ureg_program * ureg,struct ureg_dst out,struct ureg_src pos,struct ureg_src sampler,struct ureg_src coords,struct ureg_src const0124,struct ureg_src matrow0,struct ureg_src matrow1,struct ureg_src matrow2)143 linear_gradient(struct ureg_program *ureg,
144 struct ureg_dst out,
145 struct ureg_src pos,
146 struct ureg_src sampler,
147 struct ureg_src coords,
148 struct ureg_src const0124,
149 struct ureg_src matrow0,
150 struct ureg_src matrow1, struct ureg_src matrow2)
151 {
152 struct ureg_dst temp0 = ureg_DECL_temporary(ureg);
153 struct ureg_dst temp1 = ureg_DECL_temporary(ureg);
154 struct ureg_dst temp2 = ureg_DECL_temporary(ureg);
155 struct ureg_dst temp3 = ureg_DECL_temporary(ureg);
156 struct ureg_dst temp4 = ureg_DECL_temporary(ureg);
157 struct ureg_dst temp5 = ureg_DECL_temporary(ureg);
158
159 ureg_MOV(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_XY), pos);
160 ureg_MOV(ureg,
161 ureg_writemask(temp0, TGSI_WRITEMASK_Z),
162 ureg_scalar(const0124, TGSI_SWIZZLE_Y));
163
164 ureg_DP3(ureg, temp1, matrow0, ureg_src(temp0));
165 ureg_DP3(ureg, temp2, matrow1, ureg_src(temp0));
166 ureg_DP3(ureg, temp3, matrow2, ureg_src(temp0));
167 ureg_RCP(ureg, temp3, ureg_src(temp3));
168 ureg_MUL(ureg, temp1, ureg_src(temp1), ureg_src(temp3));
169 ureg_MUL(ureg, temp2, ureg_src(temp2), ureg_src(temp3));
170
171 ureg_MOV(ureg, ureg_writemask(temp4, TGSI_WRITEMASK_X), ureg_src(temp1));
172 ureg_MOV(ureg, ureg_writemask(temp4, TGSI_WRITEMASK_Y), ureg_src(temp2));
173
174 ureg_MUL(ureg, temp0,
175 ureg_scalar(coords, TGSI_SWIZZLE_Y),
176 ureg_scalar(ureg_src(temp4), TGSI_SWIZZLE_Y));
177 ureg_MAD(ureg, temp1,
178 ureg_scalar(coords, TGSI_SWIZZLE_X),
179 ureg_scalar(ureg_src(temp4), TGSI_SWIZZLE_X), ureg_src(temp0));
180
181 ureg_MUL(ureg, temp2, ureg_src(temp1), ureg_scalar(coords, TGSI_SWIZZLE_Z));
182
183 ureg_TEX(ureg, out, TGSI_TEXTURE_1D, ureg_src(temp2), sampler);
184
185 ureg_release_temporary(ureg, temp0);
186 ureg_release_temporary(ureg, temp1);
187 ureg_release_temporary(ureg, temp2);
188 ureg_release_temporary(ureg, temp3);
189 ureg_release_temporary(ureg, temp4);
190 ureg_release_temporary(ureg, temp5);
191 }
192
193 static void
radial_gradient(struct ureg_program * ureg,struct ureg_dst out,struct ureg_src pos,struct ureg_src sampler,struct ureg_src coords,struct ureg_src const0124,struct ureg_src matrow0,struct ureg_src matrow1,struct ureg_src matrow2)194 radial_gradient(struct ureg_program *ureg,
195 struct ureg_dst out,
196 struct ureg_src pos,
197 struct ureg_src sampler,
198 struct ureg_src coords,
199 struct ureg_src const0124,
200 struct ureg_src matrow0,
201 struct ureg_src matrow1, struct ureg_src matrow2)
202 {
203 struct ureg_dst temp0 = ureg_DECL_temporary(ureg);
204 struct ureg_dst temp1 = ureg_DECL_temporary(ureg);
205 struct ureg_dst temp2 = ureg_DECL_temporary(ureg);
206 struct ureg_dst temp3 = ureg_DECL_temporary(ureg);
207 struct ureg_dst temp4 = ureg_DECL_temporary(ureg);
208 struct ureg_dst temp5 = ureg_DECL_temporary(ureg);
209
210 ureg_MOV(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_XY), pos);
211 ureg_MOV(ureg,
212 ureg_writemask(temp0, TGSI_WRITEMASK_Z),
213 ureg_scalar(const0124, TGSI_SWIZZLE_Y));
214
215 ureg_DP3(ureg, temp1, matrow0, ureg_src(temp0));
216 ureg_DP3(ureg, temp2, matrow1, ureg_src(temp0));
217 ureg_DP3(ureg, temp3, matrow2, ureg_src(temp0));
218 ureg_RCP(ureg, temp3, ureg_src(temp3));
219 ureg_MUL(ureg, temp1, ureg_src(temp1), ureg_src(temp3));
220 ureg_MUL(ureg, temp2, ureg_src(temp2), ureg_src(temp3));
221
222 ureg_MOV(ureg, ureg_writemask(temp5, TGSI_WRITEMASK_X), ureg_src(temp1));
223 ureg_MOV(ureg, ureg_writemask(temp5, TGSI_WRITEMASK_Y), ureg_src(temp2));
224
225 ureg_MUL(ureg, temp0, ureg_scalar(coords, TGSI_SWIZZLE_Y),
226 ureg_scalar(ureg_src(temp5), TGSI_SWIZZLE_Y));
227 ureg_MAD(ureg, temp1,
228 ureg_scalar(coords, TGSI_SWIZZLE_X),
229 ureg_scalar(ureg_src(temp5), TGSI_SWIZZLE_X), ureg_src(temp0));
230 ureg_ADD(ureg, temp1, ureg_src(temp1), ureg_src(temp1));
231 ureg_MUL(ureg, temp3,
232 ureg_scalar(ureg_src(temp5), TGSI_SWIZZLE_Y),
233 ureg_scalar(ureg_src(temp5), TGSI_SWIZZLE_Y));
234 ureg_MAD(ureg, temp4,
235 ureg_scalar(ureg_src(temp5), TGSI_SWIZZLE_X),
236 ureg_scalar(ureg_src(temp5), TGSI_SWIZZLE_X), ureg_src(temp3));
237 ureg_MOV(ureg, temp4, ureg_negate(ureg_src(temp4)));
238 ureg_MUL(ureg, temp2, ureg_scalar(coords, TGSI_SWIZZLE_Z), ureg_src(temp4));
239 ureg_MUL(ureg, temp0,
240 ureg_scalar(const0124, TGSI_SWIZZLE_W), ureg_src(temp2));
241 ureg_MUL(ureg, temp3, ureg_src(temp1), ureg_src(temp1));
242 ureg_SUB(ureg, temp2, ureg_src(temp3), ureg_src(temp0));
243 ureg_RSQ(ureg, temp2, ureg_abs(ureg_src(temp2)));
244 ureg_RCP(ureg, temp2, ureg_src(temp2));
245 ureg_SUB(ureg, temp1, ureg_src(temp2), ureg_src(temp1));
246 ureg_ADD(ureg, temp0,
247 ureg_scalar(coords, TGSI_SWIZZLE_Z),
248 ureg_scalar(coords, TGSI_SWIZZLE_Z));
249 ureg_RCP(ureg, temp0, ureg_src(temp0));
250 ureg_MUL(ureg, temp2, ureg_src(temp1), ureg_src(temp0));
251 ureg_TEX(ureg, out, TGSI_TEXTURE_1D, ureg_src(temp2), sampler);
252
253 ureg_release_temporary(ureg, temp0);
254 ureg_release_temporary(ureg, temp1);
255 ureg_release_temporary(ureg, temp2);
256 ureg_release_temporary(ureg, temp3);
257 ureg_release_temporary(ureg, temp4);
258 ureg_release_temporary(ureg, temp5);
259 }
260
261 static void *
create_vs(struct pipe_context * pipe,unsigned vs_traits)262 create_vs(struct pipe_context *pipe, unsigned vs_traits)
263 {
264 struct ureg_program *ureg;
265 struct ureg_src src;
266 struct ureg_dst dst;
267 struct ureg_src const0, const1;
268 boolean is_fill = (vs_traits & VS_FILL) != 0;
269 boolean is_composite = (vs_traits & VS_COMPOSITE) != 0;
270 boolean has_mask = (vs_traits & VS_MASK) != 0;
271 boolean is_yuv = (vs_traits & VS_YUV) != 0;
272 unsigned input_slot = 0;
273
274 ureg = ureg_create(TGSI_PROCESSOR_VERTEX);
275 if (ureg == NULL)
276 return 0;
277
278 const0 = ureg_DECL_constant(ureg, 0);
279 const1 = ureg_DECL_constant(ureg, 1);
280
281 /* it has to be either a fill or a composite op */
282 debug_assert((is_fill ^ is_composite) ^ is_yuv);
283
284 src = ureg_DECL_vs_input(ureg, input_slot++);
285 dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0);
286 src = vs_normalize_coords(ureg, src, const0, const1);
287 ureg_MOV(ureg, dst, src);
288
289 if (is_yuv) {
290 src = ureg_DECL_vs_input(ureg, input_slot++);
291 dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 0);
292 ureg_MOV(ureg, dst, src);
293 }
294
295 if (is_composite) {
296 src = ureg_DECL_vs_input(ureg, input_slot++);
297 dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 0);
298 ureg_MOV(ureg, dst, src);
299 }
300
301 if (is_fill) {
302 src = ureg_DECL_vs_input(ureg, input_slot++);
303 dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0);
304 ureg_MOV(ureg, dst, src);
305 }
306
307 if (has_mask) {
308 src = ureg_DECL_vs_input(ureg, input_slot++);
309 dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 1);
310 ureg_MOV(ureg, dst, src);
311 }
312
313 ureg_END(ureg);
314
315 return ureg_create_shader_and_destroy(ureg, pipe);
316 }
317
318 static void *
create_yuv_shader(struct pipe_context * pipe,struct ureg_program * ureg)319 create_yuv_shader(struct pipe_context *pipe, struct ureg_program *ureg)
320 {
321 struct ureg_src y_sampler, u_sampler, v_sampler;
322 struct ureg_src pos;
323 struct ureg_src matrow0, matrow1, matrow2, matrow3;
324 struct ureg_dst y, u, v, rgb;
325 struct ureg_dst out = ureg_DECL_output(ureg,
326 TGSI_SEMANTIC_COLOR,
327 0);
328
329 pos = ureg_DECL_fs_input(ureg,
330 TGSI_SEMANTIC_GENERIC, 0,
331 TGSI_INTERPOLATE_PERSPECTIVE);
332
333 rgb = ureg_DECL_temporary(ureg);
334 y = ureg_DECL_temporary(ureg);
335 u = ureg_DECL_temporary(ureg);
336 v = ureg_DECL_temporary(ureg);
337
338 y_sampler = ureg_DECL_sampler(ureg, 0);
339 u_sampler = ureg_DECL_sampler(ureg, 1);
340 v_sampler = ureg_DECL_sampler(ureg, 2);
341
342 matrow0 = ureg_DECL_constant(ureg, 0);
343 matrow1 = ureg_DECL_constant(ureg, 1);
344 matrow2 = ureg_DECL_constant(ureg, 2);
345 matrow3 = ureg_DECL_constant(ureg, 3);
346
347 ureg_TEX(ureg, y, TGSI_TEXTURE_2D, pos, y_sampler);
348 ureg_TEX(ureg, u, TGSI_TEXTURE_2D, pos, u_sampler);
349 ureg_TEX(ureg, v, TGSI_TEXTURE_2D, pos, v_sampler);
350
351 ureg_MOV(ureg, rgb, matrow3);
352 ureg_MAD(ureg, rgb,
353 ureg_scalar(ureg_src(y), TGSI_SWIZZLE_X), matrow0, ureg_src(rgb));
354 ureg_MAD(ureg, rgb,
355 ureg_scalar(ureg_src(u), TGSI_SWIZZLE_X), matrow1, ureg_src(rgb));
356 ureg_MAD(ureg, rgb,
357 ureg_scalar(ureg_src(v), TGSI_SWIZZLE_X), matrow2, ureg_src(rgb));
358
359 ureg_MOV(ureg, out, ureg_src(rgb));
360
361 ureg_release_temporary(ureg, rgb);
362 ureg_release_temporary(ureg, y);
363 ureg_release_temporary(ureg, u);
364 ureg_release_temporary(ureg, v);
365
366 ureg_END(ureg);
367
368 return ureg_create_shader_and_destroy(ureg, pipe);
369 }
370
371 static INLINE void
xrender_tex(struct ureg_program * ureg,struct ureg_dst dst,struct ureg_src coords,struct ureg_src sampler,struct ureg_src imm0,boolean repeat_none,boolean swizzle,boolean set_alpha)372 xrender_tex(struct ureg_program *ureg,
373 struct ureg_dst dst,
374 struct ureg_src coords,
375 struct ureg_src sampler,
376 struct ureg_src imm0,
377 boolean repeat_none, boolean swizzle, boolean set_alpha)
378 {
379 if (repeat_none) {
380 struct ureg_dst tmp0 = ureg_DECL_temporary(ureg);
381 struct ureg_dst tmp1 = ureg_DECL_temporary(ureg);
382
383 ureg_SGT(ureg, tmp1, ureg_swizzle(coords,
384 TGSI_SWIZZLE_X,
385 TGSI_SWIZZLE_Y,
386 TGSI_SWIZZLE_X,
387 TGSI_SWIZZLE_Y), ureg_scalar(imm0,
388 TGSI_SWIZZLE_X));
389 ureg_SLT(ureg, tmp0,
390 ureg_swizzle(coords, TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y,
391 TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y), ureg_scalar(imm0,
392 TGSI_SWIZZLE_W));
393 ureg_MIN(ureg, tmp0, ureg_src(tmp0), ureg_src(tmp1));
394 ureg_MIN(ureg, tmp0, ureg_scalar(ureg_src(tmp0), TGSI_SWIZZLE_X),
395 ureg_scalar(ureg_src(tmp0), TGSI_SWIZZLE_Y));
396 ureg_TEX(ureg, tmp1, TGSI_TEXTURE_2D, coords, sampler);
397 if (swizzle)
398 ureg_MOV(ureg, tmp1, ureg_swizzle(ureg_src(tmp1),
399 TGSI_SWIZZLE_Z,
400 TGSI_SWIZZLE_Y, TGSI_SWIZZLE_X,
401 TGSI_SWIZZLE_W));
402 if (set_alpha)
403 ureg_MOV(ureg,
404 ureg_writemask(tmp1, TGSI_WRITEMASK_W),
405 ureg_scalar(imm0, TGSI_SWIZZLE_W));
406 ureg_MUL(ureg, dst, ureg_src(tmp1), ureg_src(tmp0));
407 ureg_release_temporary(ureg, tmp0);
408 ureg_release_temporary(ureg, tmp1);
409 } else {
410 if (swizzle) {
411 struct ureg_dst tmp = ureg_DECL_temporary(ureg);
412
413 ureg_TEX(ureg, tmp, TGSI_TEXTURE_2D, coords, sampler);
414 ureg_MOV(ureg, dst, ureg_swizzle(ureg_src(tmp),
415 TGSI_SWIZZLE_Z,
416 TGSI_SWIZZLE_Y, TGSI_SWIZZLE_X,
417 TGSI_SWIZZLE_W));
418 ureg_release_temporary(ureg, tmp);
419 } else {
420 ureg_TEX(ureg, dst, TGSI_TEXTURE_2D, coords, sampler);
421 }
422 if (set_alpha)
423 ureg_MOV(ureg,
424 ureg_writemask(dst, TGSI_WRITEMASK_W),
425 ureg_scalar(imm0, TGSI_SWIZZLE_W));
426 }
427 }
428
429 static void *
create_fs(struct pipe_context * pipe,unsigned fs_traits)430 create_fs(struct pipe_context *pipe, unsigned fs_traits)
431 {
432 struct ureg_program *ureg;
433 struct ureg_src /*dst_sampler, */ src_sampler, mask_sampler;
434 struct ureg_src /*dst_pos, */ src_input, mask_pos;
435 struct ureg_dst src, mask;
436 struct ureg_dst out;
437 struct ureg_src imm0 = { 0 };
438 unsigned has_mask = (fs_traits & FS_MASK) != 0;
439 unsigned is_fill = (fs_traits & FS_FILL) != 0;
440 unsigned is_composite = (fs_traits & FS_COMPOSITE) != 0;
441 unsigned is_solid = (fs_traits & FS_SOLID_FILL) != 0;
442 unsigned is_lingrad = (fs_traits & FS_LINGRAD_FILL) != 0;
443 unsigned is_radgrad = (fs_traits & FS_RADGRAD_FILL) != 0;
444 unsigned comp_alpha_mask = fs_traits & FS_COMPONENT_ALPHA;
445 unsigned is_yuv = (fs_traits & FS_YUV) != 0;
446 unsigned src_repeat_none = (fs_traits & FS_SRC_REPEAT_NONE) != 0;
447 unsigned mask_repeat_none = (fs_traits & FS_MASK_REPEAT_NONE) != 0;
448 unsigned src_swizzle = (fs_traits & FS_SRC_SWIZZLE_RGB) != 0;
449 unsigned mask_swizzle = (fs_traits & FS_MASK_SWIZZLE_RGB) != 0;
450 unsigned src_set_alpha = (fs_traits & FS_SRC_SET_ALPHA) != 0;
451 unsigned mask_set_alpha = (fs_traits & FS_MASK_SET_ALPHA) != 0;
452 unsigned src_luminance = (fs_traits & FS_SRC_LUMINANCE) != 0;
453 unsigned mask_luminance = (fs_traits & FS_MASK_LUMINANCE) != 0;
454 unsigned dst_luminance = (fs_traits & FS_DST_LUMINANCE) != 0;
455
456 #if 0
457 print_fs_traits(fs_traits);
458 #else
459 (void)print_fs_traits;
460 #endif
461
462 ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT);
463 if (ureg == NULL)
464 return 0;
465
466 /* it has to be either a fill, a composite op or a yuv conversion */
467 debug_assert((is_fill ^ is_composite) ^ is_yuv);
468 (void)is_yuv;
469
470 out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0);
471
472 if (src_repeat_none || mask_repeat_none ||
473 src_set_alpha || mask_set_alpha || src_luminance) {
474 imm0 = ureg_imm4f(ureg, 0, 0, 0, 1);
475 }
476 if (is_composite) {
477 src_sampler = ureg_DECL_sampler(ureg, 0);
478 src_input = ureg_DECL_fs_input(ureg,
479 TGSI_SEMANTIC_GENERIC, 0,
480 TGSI_INTERPOLATE_PERSPECTIVE);
481 } else if (is_fill) {
482 if (is_solid)
483 src_input = ureg_DECL_fs_input(ureg,
484 TGSI_SEMANTIC_COLOR, 0,
485 TGSI_INTERPOLATE_PERSPECTIVE);
486 else
487 src_input = ureg_DECL_fs_input(ureg,
488 TGSI_SEMANTIC_POSITION, 0,
489 TGSI_INTERPOLATE_PERSPECTIVE);
490 } else {
491 debug_assert(is_yuv);
492 return create_yuv_shader(pipe, ureg);
493 }
494
495 if (has_mask) {
496 mask_sampler = ureg_DECL_sampler(ureg, 1);
497 mask_pos = ureg_DECL_fs_input(ureg,
498 TGSI_SEMANTIC_GENERIC, 1,
499 TGSI_INTERPOLATE_PERSPECTIVE);
500 }
501 #if 0 /* unused right now */
502 dst_sampler = ureg_DECL_sampler(ureg, 2);
503 dst_pos = ureg_DECL_fs_input(ureg,
504 TGSI_SEMANTIC_POSITION, 2,
505 TGSI_INTERPOLATE_PERSPECTIVE);
506 #endif
507
508 if (is_composite) {
509 if (has_mask || src_luminance || dst_luminance)
510 src = ureg_DECL_temporary(ureg);
511 else
512 src = out;
513 xrender_tex(ureg, src, src_input, src_sampler, imm0,
514 src_repeat_none, src_swizzle, src_set_alpha);
515 } else if (is_fill) {
516 if (is_solid) {
517 if (has_mask || src_luminance || dst_luminance)
518 src = ureg_dst(src_input);
519 else
520 ureg_MOV(ureg, out, src_input);
521 } else if (is_lingrad || is_radgrad) {
522 struct ureg_src coords, const0124, matrow0, matrow1, matrow2;
523
524 if (has_mask || src_luminance || dst_luminance)
525 src = ureg_DECL_temporary(ureg);
526 else
527 src = out;
528
529 coords = ureg_DECL_constant(ureg, 0);
530 const0124 = ureg_DECL_constant(ureg, 1);
531 matrow0 = ureg_DECL_constant(ureg, 2);
532 matrow1 = ureg_DECL_constant(ureg, 3);
533 matrow2 = ureg_DECL_constant(ureg, 4);
534
535 if (is_lingrad) {
536 linear_gradient(ureg, src,
537 src_input, src_sampler,
538 coords, const0124, matrow0, matrow1, matrow2);
539 } else if (is_radgrad) {
540 radial_gradient(ureg, src,
541 src_input, src_sampler,
542 coords, const0124, matrow0, matrow1, matrow2);
543 }
544 } else
545 debug_assert(!"Unknown fill type!");
546 }
547 if (src_luminance) {
548 ureg_MOV(ureg, src, ureg_scalar(ureg_src(src), TGSI_SWIZZLE_X));
549 ureg_MOV(ureg, ureg_writemask(src, TGSI_WRITEMASK_XYZ),
550 ureg_scalar(imm0, TGSI_SWIZZLE_X));
551 if (!has_mask && !dst_luminance)
552 ureg_MOV(ureg, out, ureg_src(src));
553 }
554
555 if (has_mask) {
556 mask = ureg_DECL_temporary(ureg);
557 xrender_tex(ureg, mask, mask_pos, mask_sampler, imm0,
558 mask_repeat_none, mask_swizzle, mask_set_alpha);
559 /* src IN mask */
560
561 src_in_mask(ureg, (dst_luminance) ? src : out, ureg_src(src),
562 ureg_src(mask),
563 comp_alpha_mask, mask_luminance);
564
565 ureg_release_temporary(ureg, mask);
566 }
567
568 if (dst_luminance) {
569 /*
570 * Make sure the alpha channel goes into the output L8 surface.
571 */
572 ureg_MOV(ureg, out, ureg_scalar(ureg_src(src), TGSI_SWIZZLE_W));
573 }
574
575 ureg_END(ureg);
576
577 return ureg_create_shader_and_destroy(ureg, pipe);
578 }
579
580 struct xa_shaders *
xa_shaders_create(struct xa_context * r)581 xa_shaders_create(struct xa_context *r)
582 {
583 struct xa_shaders *sc = CALLOC_STRUCT(xa_shaders);
584
585 sc->r = r;
586 sc->vs_hash = cso_hash_create();
587 sc->fs_hash = cso_hash_create();
588
589 return sc;
590 }
591
592 static void
cache_destroy(struct cso_context * cso,struct cso_hash * hash,unsigned processor)593 cache_destroy(struct cso_context *cso,
594 struct cso_hash *hash, unsigned processor)
595 {
596 struct cso_hash_iter iter = cso_hash_first_node(hash);
597
598 while (!cso_hash_iter_is_null(iter)) {
599 void *shader = (void *)cso_hash_iter_data(iter);
600
601 if (processor == PIPE_SHADER_FRAGMENT) {
602 cso_delete_fragment_shader(cso, shader);
603 } else if (processor == PIPE_SHADER_VERTEX) {
604 cso_delete_vertex_shader(cso, shader);
605 }
606 iter = cso_hash_erase(hash, iter);
607 }
608 cso_hash_delete(hash);
609 }
610
611 void
xa_shaders_destroy(struct xa_shaders * sc)612 xa_shaders_destroy(struct xa_shaders *sc)
613 {
614 cache_destroy(sc->r->cso, sc->vs_hash, PIPE_SHADER_VERTEX);
615 cache_destroy(sc->r->cso, sc->fs_hash, PIPE_SHADER_FRAGMENT);
616
617 FREE(sc);
618 }
619
620 static INLINE void *
shader_from_cache(struct pipe_context * pipe,unsigned type,struct cso_hash * hash,unsigned key)621 shader_from_cache(struct pipe_context *pipe,
622 unsigned type, struct cso_hash *hash, unsigned key)
623 {
624 void *shader = 0;
625
626 struct cso_hash_iter iter = cso_hash_find(hash, key);
627
628 if (cso_hash_iter_is_null(iter)) {
629 if (type == PIPE_SHADER_VERTEX)
630 shader = create_vs(pipe, key);
631 else
632 shader = create_fs(pipe, key);
633 cso_hash_insert(hash, key, shader);
634 } else
635 shader = (void *)cso_hash_iter_data(iter);
636
637 return shader;
638 }
639
640 struct xa_shader
xa_shaders_get(struct xa_shaders * sc,unsigned vs_traits,unsigned fs_traits)641 xa_shaders_get(struct xa_shaders *sc, unsigned vs_traits, unsigned fs_traits)
642 {
643 struct xa_shader shader = { NULL, NULL };
644 void *vs, *fs;
645
646 vs = shader_from_cache(sc->r->pipe, PIPE_SHADER_VERTEX,
647 sc->vs_hash, vs_traits);
648 fs = shader_from_cache(sc->r->pipe, PIPE_SHADER_FRAGMENT,
649 sc->fs_hash, fs_traits);
650
651 debug_assert(vs && fs);
652 if (!vs || !fs)
653 return shader;
654
655 shader.vs = vs;
656 shader.fs = fs;
657
658 return shader;
659 }
660