1 /**********************************************************
2 * Copyright 2008-2009 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
26 #include "pipe/p_defines.h"
27 #include "util/u_bitmask.h"
28 #include "util/u_format.h"
29 #include "util/u_inlines.h"
30 #include "util/u_math.h"
31 #include "util/u_memory.h"
32 #include "tgsi/tgsi_parse.h"
33
34 #include "svga_context.h"
35 #include "svga_cmd.h"
36 #include "svga_debug.h"
37 #include "svga_resource_texture.h"
38 #include "svga_surface.h"
39 #include "svga_sampler_view.h"
40
41
42 static inline unsigned
translate_wrap_mode(unsigned wrap)43 translate_wrap_mode(unsigned wrap)
44 {
45 switch (wrap) {
46 case PIPE_TEX_WRAP_REPEAT:
47 return SVGA3D_TEX_ADDRESS_WRAP;
48 case PIPE_TEX_WRAP_CLAMP:
49 return SVGA3D_TEX_ADDRESS_CLAMP;
50 case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
51 /* Unfortunately SVGA3D_TEX_ADDRESS_EDGE not respected by
52 * hardware.
53 */
54 return SVGA3D_TEX_ADDRESS_CLAMP;
55 case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
56 return SVGA3D_TEX_ADDRESS_BORDER;
57 case PIPE_TEX_WRAP_MIRROR_REPEAT:
58 return SVGA3D_TEX_ADDRESS_MIRROR;
59 case PIPE_TEX_WRAP_MIRROR_CLAMP:
60 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
61 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
62 return SVGA3D_TEX_ADDRESS_MIRRORONCE;
63 default:
64 assert(0);
65 return SVGA3D_TEX_ADDRESS_WRAP;
66 }
67 }
68
69
70 static inline unsigned
translate_img_filter(unsigned filter)71 translate_img_filter(unsigned filter)
72 {
73 switch (filter) {
74 case PIPE_TEX_FILTER_NEAREST:
75 return SVGA3D_TEX_FILTER_NEAREST;
76 case PIPE_TEX_FILTER_LINEAR:
77 return SVGA3D_TEX_FILTER_LINEAR;
78 default:
79 assert(0);
80 return SVGA3D_TEX_FILTER_NEAREST;
81 }
82 }
83
84
85 static inline unsigned
translate_mip_filter(unsigned filter)86 translate_mip_filter(unsigned filter)
87 {
88 switch (filter) {
89 case PIPE_TEX_MIPFILTER_NONE:
90 return SVGA3D_TEX_FILTER_NONE;
91 case PIPE_TEX_MIPFILTER_NEAREST:
92 return SVGA3D_TEX_FILTER_NEAREST;
93 case PIPE_TEX_MIPFILTER_LINEAR:
94 return SVGA3D_TEX_FILTER_LINEAR;
95 default:
96 assert(0);
97 return SVGA3D_TEX_FILTER_NONE;
98 }
99 }
100
101
102 static uint8
translate_comparison_func(unsigned func)103 translate_comparison_func(unsigned func)
104 {
105 switch (func) {
106 case PIPE_FUNC_NEVER:
107 return SVGA3D_COMPARISON_NEVER;
108 case PIPE_FUNC_LESS:
109 return SVGA3D_COMPARISON_LESS;
110 case PIPE_FUNC_EQUAL:
111 return SVGA3D_COMPARISON_EQUAL;
112 case PIPE_FUNC_LEQUAL:
113 return SVGA3D_COMPARISON_LESS_EQUAL;
114 case PIPE_FUNC_GREATER:
115 return SVGA3D_COMPARISON_GREATER;
116 case PIPE_FUNC_NOTEQUAL:
117 return SVGA3D_COMPARISON_NOT_EQUAL;
118 case PIPE_FUNC_GEQUAL:
119 return SVGA3D_COMPARISON_GREATER_EQUAL;
120 case PIPE_FUNC_ALWAYS:
121 return SVGA3D_COMPARISON_ALWAYS;
122 default:
123 assert(!"Invalid comparison function");
124 return SVGA3D_COMPARISON_ALWAYS;
125 }
126 }
127
128
129 /**
130 * Translate filtering state to vgpu10 format.
131 */
132 static SVGA3dFilter
translate_filter_mode(unsigned img_filter,unsigned min_filter,unsigned mag_filter,boolean anisotropic,boolean compare)133 translate_filter_mode(unsigned img_filter,
134 unsigned min_filter,
135 unsigned mag_filter,
136 boolean anisotropic,
137 boolean compare)
138 {
139 SVGA3dFilter mode = 0;
140
141 if (img_filter == PIPE_TEX_FILTER_LINEAR)
142 mode |= SVGA3D_FILTER_MIP_LINEAR;
143 if (min_filter == PIPE_TEX_FILTER_LINEAR)
144 mode |= SVGA3D_FILTER_MIN_LINEAR;
145 if (mag_filter == PIPE_TEX_FILTER_LINEAR)
146 mode |= SVGA3D_FILTER_MAG_LINEAR;
147 if (anisotropic)
148 mode |= SVGA3D_FILTER_ANISOTROPIC;
149 if (compare)
150 mode |= SVGA3D_FILTER_COMPARE;
151
152 return mode;
153 }
154
155
156 /**
157 * Define a vgpu10 sampler state.
158 */
159 static void
define_sampler_state_object(struct svga_context * svga,struct svga_sampler_state * ss,const struct pipe_sampler_state * ps)160 define_sampler_state_object(struct svga_context *svga,
161 struct svga_sampler_state *ss,
162 const struct pipe_sampler_state *ps)
163 {
164 uint8_t max_aniso = (uint8_t) 255; /* XXX fix me */
165 boolean anisotropic;
166 uint8 compare_func;
167 SVGA3dFilter filter;
168 SVGA3dRGBAFloat bcolor;
169 unsigned try;
170 float min_lod, max_lod;
171
172 assert(svga_have_vgpu10(svga));
173
174 anisotropic = ss->aniso_level > 1.0f;
175
176 filter = translate_filter_mode(ps->min_mip_filter,
177 ps->min_img_filter,
178 ps->mag_img_filter,
179 anisotropic,
180 ss->compare_mode);
181
182 compare_func = translate_comparison_func(ss->compare_func);
183
184 COPY_4V(bcolor.value, ps->border_color.f);
185
186 ss->id = util_bitmask_add(svga->sampler_object_id_bm);
187
188 assert(ps->min_lod <= ps->max_lod);
189
190 if (ps->min_mip_filter == PIPE_TEX_MIPFILTER_NONE) {
191 /* just use the base level image */
192 min_lod = max_lod = 0.0f;
193 }
194 else {
195 min_lod = ps->min_lod;
196 max_lod = ps->max_lod;
197 }
198
199 /* Loop in case command buffer is full and we need to flush and retry */
200 for (try = 0; try < 2; try++) {
201 enum pipe_error ret =
202 SVGA3D_vgpu10_DefineSamplerState(svga->swc,
203 ss->id,
204 filter,
205 ss->addressu,
206 ss->addressv,
207 ss->addressw,
208 ss->lod_bias, /* float */
209 max_aniso,
210 compare_func,
211 bcolor,
212 min_lod, /* float */
213 max_lod); /* float */
214 if (ret == PIPE_OK)
215 return;
216 svga_context_flush(svga, NULL);
217 }
218 }
219
220
221 static void *
svga_create_sampler_state(struct pipe_context * pipe,const struct pipe_sampler_state * sampler)222 svga_create_sampler_state(struct pipe_context *pipe,
223 const struct pipe_sampler_state *sampler)
224 {
225 struct svga_context *svga = svga_context(pipe);
226 struct svga_sampler_state *cso = CALLOC_STRUCT( svga_sampler_state );
227
228 if (!cso)
229 return NULL;
230
231 cso->mipfilter = translate_mip_filter(sampler->min_mip_filter);
232 cso->magfilter = translate_img_filter( sampler->mag_img_filter );
233 cso->minfilter = translate_img_filter( sampler->min_img_filter );
234 cso->aniso_level = MAX2( sampler->max_anisotropy, 1 );
235 if (sampler->max_anisotropy)
236 cso->magfilter = cso->minfilter = SVGA3D_TEX_FILTER_ANISOTROPIC;
237 cso->lod_bias = sampler->lod_bias;
238 cso->addressu = translate_wrap_mode(sampler->wrap_s);
239 cso->addressv = translate_wrap_mode(sampler->wrap_t);
240 cso->addressw = translate_wrap_mode(sampler->wrap_r);
241 cso->normalized_coords = sampler->normalized_coords;
242 cso->compare_mode = sampler->compare_mode;
243 cso->compare_func = sampler->compare_func;
244
245 {
246 uint32 r = float_to_ubyte(sampler->border_color.f[0]);
247 uint32 g = float_to_ubyte(sampler->border_color.f[1]);
248 uint32 b = float_to_ubyte(sampler->border_color.f[2]);
249 uint32 a = float_to_ubyte(sampler->border_color.f[3]);
250
251 cso->bordercolor = (a << 24) | (r << 16) | (g << 8) | b;
252 }
253
254 /* No SVGA3D support for:
255 * - min/max LOD clamping
256 */
257 cso->min_lod = 0;
258 cso->view_min_lod = MAX2((int) (sampler->min_lod + 0.5), 0);
259 cso->view_max_lod = MAX2((int) (sampler->max_lod + 0.5), 0);
260
261 /* Use min_mipmap */
262 if (svga->debug.use_min_mipmap) {
263 if (cso->view_min_lod == cso->view_max_lod) {
264 cso->min_lod = cso->view_min_lod;
265 cso->view_min_lod = 0;
266 cso->view_max_lod = 1000; /* Just a high number */
267 cso->mipfilter = SVGA3D_TEX_FILTER_NONE;
268 }
269 }
270
271 if (svga_have_vgpu10(svga)) {
272 define_sampler_state_object(svga, cso, sampler);
273 }
274
275 SVGA_DBG(DEBUG_VIEWS, "min %u, view(min %u, max %u) lod, mipfilter %s\n",
276 cso->min_lod, cso->view_min_lod, cso->view_max_lod,
277 cso->mipfilter == SVGA3D_TEX_FILTER_NONE ? "SVGA3D_TEX_FILTER_NONE" : "SOMETHING");
278
279 svga->hud.num_sampler_objects++;
280 SVGA_STATS_COUNT_INC(svga_screen(svga->pipe.screen)->sws,
281 SVGA_STATS_COUNT_SAMPLER);
282
283 return cso;
284 }
285
286
287 static void
svga_bind_sampler_states(struct pipe_context * pipe,enum pipe_shader_type shader,unsigned start,unsigned num,void ** samplers)288 svga_bind_sampler_states(struct pipe_context *pipe,
289 enum pipe_shader_type shader,
290 unsigned start,
291 unsigned num,
292 void **samplers)
293 {
294 struct svga_context *svga = svga_context(pipe);
295 unsigned i;
296 boolean any_change = FALSE;
297
298 assert(shader < PIPE_SHADER_TYPES);
299 assert(start + num <= PIPE_MAX_SAMPLERS);
300
301 /* Pre-VGPU10 only supports FS textures */
302 if (!svga_have_vgpu10(svga) && shader != PIPE_SHADER_FRAGMENT)
303 return;
304
305 for (i = 0; i < num; i++) {
306 if (svga->curr.sampler[shader][start + i] != samplers[i])
307 any_change = TRUE;
308 svga->curr.sampler[shader][start + i] = samplers[i];
309 }
310
311 if (!any_change) {
312 return;
313 }
314
315 /* find highest non-null sampler[] entry */
316 {
317 unsigned j = MAX2(svga->curr.num_samplers[shader], start + num);
318 while (j > 0 && svga->curr.sampler[shader][j - 1] == NULL)
319 j--;
320 svga->curr.num_samplers[shader] = j;
321 }
322
323 svga->dirty |= SVGA_NEW_SAMPLER;
324 }
325
326
327 static void
svga_delete_sampler_state(struct pipe_context * pipe,void * sampler)328 svga_delete_sampler_state(struct pipe_context *pipe, void *sampler)
329 {
330 struct svga_sampler_state *ss = (struct svga_sampler_state *) sampler;
331 struct svga_context *svga = svga_context(pipe);
332
333 if (svga_have_vgpu10(svga)) {
334 enum pipe_error ret;
335
336 svga_hwtnl_flush_retry(svga);
337
338 ret = SVGA3D_vgpu10_DestroySamplerState(svga->swc, ss->id);
339 if (ret != PIPE_OK) {
340 svga_context_flush(svga, NULL);
341 ret = SVGA3D_vgpu10_DestroySamplerState(svga->swc, ss->id);
342 }
343 util_bitmask_clear(svga->sampler_object_id_bm, ss->id);
344 }
345
346 FREE(sampler);
347 svga->hud.num_sampler_objects--;
348 }
349
350
351 static struct pipe_sampler_view *
svga_create_sampler_view(struct pipe_context * pipe,struct pipe_resource * texture,const struct pipe_sampler_view * templ)352 svga_create_sampler_view(struct pipe_context *pipe,
353 struct pipe_resource *texture,
354 const struct pipe_sampler_view *templ)
355 {
356 struct svga_context *svga = svga_context(pipe);
357 struct svga_pipe_sampler_view *sv = CALLOC_STRUCT(svga_pipe_sampler_view);
358
359 if (!sv) {
360 return NULL;
361 }
362
363 sv->base = *templ;
364 sv->base.reference.count = 1;
365 sv->base.texture = NULL;
366 pipe_resource_reference(&sv->base.texture, texture);
367
368 sv->base.context = pipe;
369 sv->id = SVGA3D_INVALID_ID;
370
371 svga->hud.num_samplerview_objects++;
372 SVGA_STATS_COUNT_INC(svga_screen(svga->pipe.screen)->sws,
373 SVGA_STATS_COUNT_SAMPLERVIEW);
374
375 return &sv->base;
376 }
377
378
379 static void
svga_sampler_view_destroy(struct pipe_context * pipe,struct pipe_sampler_view * view)380 svga_sampler_view_destroy(struct pipe_context *pipe,
381 struct pipe_sampler_view *view)
382 {
383 struct svga_context *svga = svga_context(pipe);
384 struct svga_pipe_sampler_view *sv = svga_pipe_sampler_view(view);
385
386 if (svga_have_vgpu10(svga) && sv->id != SVGA3D_INVALID_ID) {
387 if (view->context != pipe) {
388 /* The SVGA3D device will generate an error (and on Linux, cause
389 * us to abort) if we try to destroy a shader resource view from
390 * a context other than the one it was created with. Skip the
391 * SVGA3D_vgpu10_DestroyShaderResourceView() and leak the sampler
392 * view for now. This should only sometimes happen when a shared
393 * texture is deleted.
394 */
395 _debug_printf("context mismatch in %s\n", __func__);
396 }
397 else {
398 enum pipe_error ret;
399
400 svga_hwtnl_flush_retry(svga); /* XXX is this needed? */
401
402 ret = SVGA3D_vgpu10_DestroyShaderResourceView(svga->swc, sv->id);
403 if (ret != PIPE_OK) {
404 svga_context_flush(svga, NULL);
405 ret = SVGA3D_vgpu10_DestroyShaderResourceView(svga->swc, sv->id);
406 }
407 util_bitmask_clear(svga->sampler_view_id_bm, sv->id);
408 }
409 }
410
411 pipe_resource_reference(&sv->base.texture, NULL);
412
413 FREE(sv);
414 svga->hud.num_samplerview_objects--;
415 }
416
417
418 static void
svga_set_sampler_views(struct pipe_context * pipe,enum pipe_shader_type shader,unsigned start,unsigned num,struct pipe_sampler_view ** views)419 svga_set_sampler_views(struct pipe_context *pipe,
420 enum pipe_shader_type shader,
421 unsigned start,
422 unsigned num,
423 struct pipe_sampler_view **views)
424 {
425 struct svga_context *svga = svga_context(pipe);
426 unsigned flag_1d = 0;
427 unsigned flag_srgb = 0;
428 unsigned flag_rect = 0;
429 unsigned flag_buf = 0;
430 uint i;
431 boolean any_change = FALSE;
432
433 assert(shader < PIPE_SHADER_TYPES);
434 assert(start + num <= ARRAY_SIZE(svga->curr.sampler_views[shader]));
435
436 /* Pre-VGPU10 only supports FS textures */
437 if (!svga_have_vgpu10(svga) && shader != PIPE_SHADER_FRAGMENT)
438 return;
439
440 SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_SETSAMPLERVIEWS);
441
442 /* This bit of code works around a quirk in the CSO module.
443 * If start=num=0 it means all sampler views should be released.
444 * Note that the CSO module treats sampler views for fragment shaders
445 * differently than other shader types.
446 */
447 if (start == 0 && num == 0 && svga->curr.num_sampler_views[shader] > 0) {
448 for (i = 0; i < svga->curr.num_sampler_views[shader]; i++) {
449 pipe_sampler_view_release(pipe, &svga->curr.sampler_views[shader][i]);
450 }
451 any_change = TRUE;
452 }
453
454 for (i = 0; i < num; i++) {
455 enum pipe_texture_target target;
456
457 if (svga->curr.sampler_views[shader][start + i] != views[i]) {
458 /* Note: we're using pipe_sampler_view_release() here to work around
459 * a possible crash when the old view belongs to another context that
460 * was already destroyed.
461 */
462 pipe_sampler_view_release(pipe, &svga->curr.sampler_views[shader][start + i]);
463 pipe_sampler_view_reference(&svga->curr.sampler_views[shader][start + i],
464 views[i]);
465 any_change = TRUE;
466 }
467
468 if (!views[i])
469 continue;
470
471 if (util_format_is_srgb(views[i]->format))
472 flag_srgb |= 1 << (start + i);
473
474 target = views[i]->texture->target;
475 if (target == PIPE_TEXTURE_1D)
476 flag_1d |= 1 << (start + i);
477 else if (target == PIPE_TEXTURE_RECT)
478 flag_rect |= 1 << (start + i);
479 else if (target == PIPE_BUFFER)
480 flag_buf |= 1 << (start + i);
481 }
482
483 if (!any_change) {
484 goto done;
485 }
486
487 /* find highest non-null sampler_views[] entry */
488 {
489 unsigned j = MAX2(svga->curr.num_sampler_views[shader], start + num);
490 while (j > 0 && svga->curr.sampler_views[shader][j - 1] == NULL)
491 j--;
492 svga->curr.num_sampler_views[shader] = j;
493 }
494
495 svga->dirty |= SVGA_NEW_TEXTURE_BINDING;
496
497 if (flag_srgb != svga->curr.tex_flags.flag_srgb ||
498 flag_1d != svga->curr.tex_flags.flag_1d) {
499 svga->dirty |= SVGA_NEW_TEXTURE_FLAGS;
500 svga->curr.tex_flags.flag_1d = flag_1d;
501 svga->curr.tex_flags.flag_srgb = flag_srgb;
502 }
503
504 if (flag_rect != svga->curr.tex_flags.flag_rect ||
505 flag_buf != svga->curr.tex_flags.flag_buf)
506 {
507 /* Need to re-emit texture constants */
508 svga->dirty |= SVGA_NEW_TEXTURE_CONSTS;
509 svga->curr.tex_flags.flag_rect = flag_rect;
510 svga->curr.tex_flags.flag_buf = flag_buf;
511 }
512
513 /* Check if any of the sampler view resources collide with the framebuffer
514 * color buffers or depth stencil resource. If so, set the NEW_FRAME_BUFFER
515 * dirty bit so that emit_framebuffer can be invoked to create backed view
516 * for the conflicted surface view.
517 */
518 if (svga_check_sampler_framebuffer_resource_collision(svga, shader)) {
519 svga->dirty |= SVGA_NEW_FRAME_BUFFER;
520 }
521
522 done:
523 SVGA_STATS_TIME_POP(svga_sws(svga));
524 }
525
526 /**
527 * Clean up sampler, sampler view state at context destruction time
528 */
529 void
svga_cleanup_sampler_state(struct svga_context * svga)530 svga_cleanup_sampler_state(struct svga_context *svga)
531 {
532 enum pipe_shader_type shader;
533
534 for (shader = 0; shader <= PIPE_SHADER_GEOMETRY; shader++) {
535 unsigned i;
536
537 for (i = 0; i < svga->state.hw_draw.num_sampler_views[shader]; i++) {
538 pipe_sampler_view_release(&svga->pipe,
539 &svga->state.hw_draw.sampler_views[shader][i]);
540 }
541 }
542
543 /* free polygon stipple state */
544 if (svga->polygon_stipple.sampler) {
545 svga->pipe.delete_sampler_state(&svga->pipe, svga->polygon_stipple.sampler);
546 }
547
548 if (svga->polygon_stipple.sampler_view) {
549 svga->pipe.sampler_view_destroy(&svga->pipe,
550 &svga->polygon_stipple.sampler_view->base);
551 }
552 pipe_resource_reference(&svga->polygon_stipple.texture, NULL);
553 }
554
555 void
svga_init_sampler_functions(struct svga_context * svga)556 svga_init_sampler_functions( struct svga_context *svga )
557 {
558 svga->pipe.create_sampler_state = svga_create_sampler_state;
559 svga->pipe.bind_sampler_states = svga_bind_sampler_states;
560 svga->pipe.delete_sampler_state = svga_delete_sampler_state;
561 svga->pipe.set_sampler_views = svga_set_sampler_views;
562 svga->pipe.create_sampler_view = svga_create_sampler_view;
563 svga->pipe.sampler_view_destroy = svga_sampler_view_destroy;
564 }
565