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 "svga_cmd.h"
27
28 #include "pipe/p_defines.h"
29 #include "util/u_inlines.h"
30 #include "pipe/p_screen.h"
31 #include "util/u_memory.h"
32 #include "util/u_bitmask.h"
33 #include "util/u_upload_mgr.h"
34
35 #include "svga_context.h"
36 #include "svga_screen.h"
37 #include "svga_surface.h"
38 #include "svga_resource_texture.h"
39 #include "svga_resource_buffer.h"
40 #include "svga_resource.h"
41 #include "svga_winsys.h"
42 #include "svga_swtnl.h"
43 #include "svga_draw.h"
44 #include "svga_debug.h"
45 #include "svga_state.h"
46 #include "svga_winsys.h"
47 #include "svga_streamout.h"
48
49 #define CONST0_UPLOAD_DEFAULT_SIZE 65536
50
51 DEBUG_GET_ONCE_BOOL_OPTION(no_swtnl, "SVGA_NO_SWTNL", FALSE)
52 DEBUG_GET_ONCE_BOOL_OPTION(force_swtnl, "SVGA_FORCE_SWTNL", FALSE);
53 DEBUG_GET_ONCE_BOOL_OPTION(use_min_mipmap, "SVGA_USE_MIN_MIPMAP", FALSE);
54 DEBUG_GET_ONCE_BOOL_OPTION(no_line_width, "SVGA_NO_LINE_WIDTH", FALSE);
55 DEBUG_GET_ONCE_BOOL_OPTION(force_hw_line_stipple, "SVGA_FORCE_HW_LINE_STIPPLE", FALSE);
56
57
58 static void
svga_destroy(struct pipe_context * pipe)59 svga_destroy(struct pipe_context *pipe)
60 {
61 struct svga_context *svga = svga_context(pipe);
62 unsigned shader, i;
63
64 /* free any alternate rasterizer states used for point sprite */
65 for (i = 0; i < ARRAY_SIZE(svga->rasterizer_no_cull); i++) {
66 if (svga->rasterizer_no_cull[i]) {
67 pipe->delete_rasterizer_state(pipe, svga->rasterizer_no_cull[i]);
68 }
69 }
70
71 /* free depthstencil_disable state */
72 if (svga->depthstencil_disable) {
73 pipe->delete_depth_stencil_alpha_state(pipe, svga->depthstencil_disable);
74 }
75
76 /* free HW constant buffers */
77 for (shader = 0; shader < ARRAY_SIZE(svga->state.hw_draw.constbuf); shader++) {
78 for (i = 0; i < ARRAY_SIZE(svga->state.hw_draw.constbuf[0]); i++) {
79 pipe_resource_reference(&svga->state.hw_draw.constbuf[shader][i], NULL);
80 }
81 }
82
83 pipe->delete_blend_state(pipe, svga->noop_blend);
84
85 /* destroy stream output statistics queries */
86 svga_destroy_stream_output_queries(svga);
87
88 /* free query gb object */
89 if (svga->gb_query) {
90 pipe->destroy_query(pipe, NULL);
91 svga->gb_query = NULL;
92 }
93
94 util_blitter_destroy(svga->blitter);
95
96 svga_cleanup_sampler_state(svga);
97 svga_cleanup_framebuffer(svga);
98 svga_cleanup_tss_binding(svga);
99 svga_cleanup_vertex_state(svga);
100 svga_cleanup_tcs_state(svga);
101
102 svga_destroy_swtnl(svga);
103 svga_hwtnl_destroy(svga->hwtnl);
104
105 svga->swc->destroy(svga->swc);
106
107 util_bitmask_destroy(svga->blend_object_id_bm);
108 util_bitmask_destroy(svga->ds_object_id_bm);
109 util_bitmask_destroy(svga->input_element_object_id_bm);
110 util_bitmask_destroy(svga->rast_object_id_bm);
111 util_bitmask_destroy(svga->sampler_object_id_bm);
112 util_bitmask_destroy(svga->sampler_view_id_bm);
113 util_bitmask_destroy(svga->shader_id_bm);
114 util_bitmask_destroy(svga->surface_view_id_bm);
115 util_bitmask_destroy(svga->stream_output_id_bm);
116 util_bitmask_destroy(svga->query_id_bm);
117 u_upload_destroy(svga->const0_upload);
118 u_upload_destroy(svga->pipe.stream_uploader);
119 u_upload_destroy(svga->pipe.const_uploader);
120 svga_texture_transfer_map_upload_destroy(svga);
121
122 /* free user's constant buffers */
123 for (shader = 0; shader < PIPE_SHADER_TYPES; ++shader) {
124 for (i = 0; i < ARRAY_SIZE(svga->curr.constbufs[shader]); ++i) {
125 pipe_resource_reference(&svga->curr.constbufs[shader][i].buffer, NULL);
126 }
127 }
128
129 FREE(svga);
130 }
131
132
133 struct pipe_context *
svga_context_create(struct pipe_screen * screen,void * priv,unsigned flags)134 svga_context_create(struct pipe_screen *screen, void *priv, unsigned flags)
135 {
136 struct svga_screen *svgascreen = svga_screen(screen);
137 struct svga_context *svga = NULL;
138 enum pipe_error ret;
139
140 SVGA_STATS_TIME_PUSH(svgascreen->sws, SVGA_STATS_TIME_CREATECONTEXT);
141
142 svga = CALLOC_STRUCT(svga_context);
143 if (!svga)
144 goto done;
145
146 list_inithead(&svga->dirty_buffers);
147
148 svga->pipe.screen = screen;
149 svga->pipe.priv = priv;
150 svga->pipe.destroy = svga_destroy;
151 svga->pipe.stream_uploader = u_upload_create(&svga->pipe, 1024 * 1024,
152 PIPE_BIND_VERTEX_BUFFER |
153 PIPE_BIND_INDEX_BUFFER,
154 PIPE_USAGE_STREAM, 0);
155 if (!svga->pipe.stream_uploader)
156 goto cleanup;
157
158 u_upload_disable_persistent(svga->pipe.stream_uploader);
159
160 svga->pipe.const_uploader = u_upload_create(&svga->pipe, 128 * 1024,
161 PIPE_BIND_CONSTANT_BUFFER,
162 PIPE_USAGE_STREAM, 0);
163 if (!svga->pipe.const_uploader)
164 goto cleanup;
165
166 u_upload_disable_persistent(svga->pipe.const_uploader);
167
168 svga->swc = svgascreen->sws->context_create(svgascreen->sws);
169 if (!svga->swc)
170 goto cleanup;
171
172 svga_init_resource_functions(svga);
173 svga_init_blend_functions(svga);
174 svga_init_blit_functions(svga);
175 svga_init_depth_stencil_functions(svga);
176 svga_init_draw_functions(svga);
177 svga_init_flush_functions(svga);
178 svga_init_misc_functions(svga);
179 svga_init_rasterizer_functions(svga);
180 svga_init_sampler_functions(svga);
181 svga_init_fs_functions(svga);
182 svga_init_vs_functions(svga);
183 svga_init_gs_functions(svga);
184 svga_init_ts_functions(svga);
185 svga_init_vertex_functions(svga);
186 svga_init_constbuffer_functions(svga);
187 svga_init_query_functions(svga);
188 svga_init_surface_functions(svga);
189 svga_init_stream_output_functions(svga);
190 svga_init_clear_functions(svga);
191 svga_init_tracked_state(svga);
192
193 /* init misc state */
194 svga->curr.sample_mask = ~0;
195
196 /* debug */
197 svga->debug.no_swtnl = debug_get_option_no_swtnl();
198 svga->debug.force_swtnl = debug_get_option_force_swtnl();
199 svga->debug.use_min_mipmap = debug_get_option_use_min_mipmap();
200 svga->debug.no_line_width = debug_get_option_no_line_width();
201 svga->debug.force_hw_line_stipple = debug_get_option_force_hw_line_stipple();
202
203 if (!(svga->blend_object_id_bm = util_bitmask_create()))
204 goto cleanup;
205
206 if (!(svga->ds_object_id_bm = util_bitmask_create()))
207 goto cleanup;
208
209 if (!(svga->input_element_object_id_bm = util_bitmask_create()))
210 goto cleanup;
211
212 if (!(svga->rast_object_id_bm = util_bitmask_create()))
213 goto cleanup;
214
215 if (!(svga->sampler_object_id_bm = util_bitmask_create()))
216 goto cleanup;
217
218 if (!(svga->sampler_view_id_bm = util_bitmask_create()))
219 goto cleanup;
220
221 if (!(svga->shader_id_bm = util_bitmask_create()))
222 goto cleanup;
223
224 if (!(svga->surface_view_id_bm = util_bitmask_create()))
225 goto cleanup;
226
227 if (!(svga->stream_output_id_bm = util_bitmask_create()))
228 goto cleanup;
229
230 if (!(svga->query_id_bm = util_bitmask_create()))
231 goto cleanup;
232
233 svga->hwtnl = svga_hwtnl_create(svga);
234 if (svga->hwtnl == NULL)
235 goto cleanup;
236
237 if (!svga_init_swtnl(svga))
238 goto cleanup;
239
240 ret = svga_emit_initial_state(svga);
241 if (ret != PIPE_OK)
242 goto cleanup;
243
244 svga->const0_upload = u_upload_create(&svga->pipe,
245 CONST0_UPLOAD_DEFAULT_SIZE,
246 PIPE_BIND_CONSTANT_BUFFER |
247 PIPE_BIND_CUSTOM,
248 PIPE_USAGE_STREAM, 0);
249 if (!svga->const0_upload)
250 goto cleanup;
251
252 u_upload_disable_persistent(svga->const0_upload);
253
254 if (!svga_texture_transfer_map_upload_create(svga))
255 goto cleanup;
256
257 /* Avoid shortcircuiting state with initial value of zero.
258 */
259 memset(&svga->state.hw_clear, 0xcd, sizeof(svga->state.hw_clear));
260 memset(&svga->state.hw_clear.framebuffer, 0x0,
261 sizeof(svga->state.hw_clear.framebuffer));
262 memset(&svga->state.hw_clear.rtv, 0, sizeof(svga->state.hw_clear.rtv));
263 svga->state.hw_clear.num_rendertargets = 0;
264 svga->state.hw_clear.dsv = NULL;
265
266 memset(&svga->state.hw_draw, 0xcd, sizeof(svga->state.hw_draw));
267 memset(&svga->state.hw_draw.views, 0x0, sizeof(svga->state.hw_draw.views));
268 memset(&svga->state.hw_draw.num_samplers, 0,
269 sizeof(svga->state.hw_draw.num_samplers));
270 memset(&svga->state.hw_draw.num_sampler_views, 0,
271 sizeof(svga->state.hw_draw.num_sampler_views));
272 memset(svga->state.hw_draw.sampler_views, 0,
273 sizeof(svga->state.hw_draw.sampler_views));
274 svga->state.hw_draw.num_views = 0;
275 svga->state.hw_draw.num_backed_views = 0;
276 svga->state.hw_draw.rasterizer_discard = FALSE;
277
278 /* Initialize the shader pointers */
279 svga->state.hw_draw.vs = NULL;
280 svga->state.hw_draw.gs = NULL;
281 svga->state.hw_draw.fs = NULL;
282 svga->state.hw_draw.tcs = NULL;
283 svga->state.hw_draw.tes = NULL;
284
285 /* Initialize the currently bound buffer resources */
286 memset(svga->state.hw_draw.constbuf, 0,
287 sizeof(svga->state.hw_draw.constbuf));
288 memset(svga->state.hw_draw.default_constbuf_size, 0,
289 sizeof(svga->state.hw_draw.default_constbuf_size));
290 memset(svga->state.hw_draw.enabled_constbufs, 0,
291 sizeof(svga->state.hw_draw.enabled_constbufs));
292 svga->state.hw_draw.ib = NULL;
293 svga->state.hw_draw.num_vbuffers = 0;
294 memset(svga->state.hw_draw.vbuffers, 0,
295 sizeof(svga->state.hw_draw.vbuffers));
296 svga->state.hw_draw.const0_buffer = NULL;
297 svga->state.hw_draw.const0_handle = NULL;
298
299 /* Create a no-operation blend state which we will bind whenever the
300 * requested blend state is impossible (e.g. due to having an integer
301 * render target attached).
302 *
303 * XXX: We will probably actually need 16 of these, one for each possible
304 * RGBA color mask (4 bits). Then, we would bind the one with a color mask
305 * matching the blend state it is replacing.
306 */
307 {
308 struct pipe_blend_state noop_tmpl = {0};
309 unsigned i;
310
311 for (i = 0; i < PIPE_MAX_COLOR_BUFS; ++i) {
312 // Set the color mask to all-ones. Later this may change.
313 noop_tmpl.rt[i].colormask = PIPE_MASK_RGBA;
314 }
315 svga->noop_blend = svga->pipe.create_blend_state(&svga->pipe, &noop_tmpl);
316 }
317
318 svga->dirty = SVGA_NEW_ALL;
319 svga->pred.query_id = SVGA3D_INVALID_ID;
320 svga->disable_rasterizer = FALSE;
321
322 /**
323 * Create stream output statistics queries used in the workaround for auto
324 * draw with stream instancing.
325 */
326 svga_create_stream_output_queries(svga);
327
328 goto done;
329
330 cleanup:
331 svga_destroy_swtnl(svga);
332
333 if (svga->const0_upload)
334 u_upload_destroy(svga->const0_upload);
335 if (svga->pipe.const_uploader)
336 u_upload_destroy(svga->pipe.const_uploader);
337 if (svga->pipe.stream_uploader)
338 u_upload_destroy(svga->pipe.stream_uploader);
339 svga_texture_transfer_map_upload_destroy(svga);
340 if (svga->hwtnl)
341 svga_hwtnl_destroy(svga->hwtnl);
342 if (svga->swc)
343 svga->swc->destroy(svga->swc);
344 util_bitmask_destroy(svga->blend_object_id_bm);
345 util_bitmask_destroy(svga->ds_object_id_bm);
346 util_bitmask_destroy(svga->input_element_object_id_bm);
347 util_bitmask_destroy(svga->rast_object_id_bm);
348 util_bitmask_destroy(svga->sampler_object_id_bm);
349 util_bitmask_destroy(svga->sampler_view_id_bm);
350 util_bitmask_destroy(svga->shader_id_bm);
351 util_bitmask_destroy(svga->surface_view_id_bm);
352 util_bitmask_destroy(svga->stream_output_id_bm);
353 util_bitmask_destroy(svga->query_id_bm);
354 FREE(svga);
355 svga = NULL;
356
357 done:
358 SVGA_STATS_TIME_POP(svgascreen->sws);
359 return svga ? &svga->pipe:NULL;
360 }
361
362
363 void
svga_context_flush(struct svga_context * svga,struct pipe_fence_handle ** pfence)364 svga_context_flush(struct svga_context *svga,
365 struct pipe_fence_handle **pfence)
366 {
367 struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
368 struct pipe_fence_handle *fence = NULL;
369 uint64_t t0;
370
371 SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_CONTEXTFLUSH);
372
373 svga->curr.nr_fbs = 0;
374
375 /* Unmap the 0th/default constant buffer. The u_upload_unmap() function
376 * will call pipe_context::transfer_flush_region() to indicate the
377 * region of the buffer which was modified (and needs to be uploaded).
378 */
379 if (svga->state.hw_draw.const0_handle) {
380 assert(svga->state.hw_draw.const0_buffer);
381 u_upload_unmap(svga->const0_upload);
382 pipe_resource_reference(&svga->state.hw_draw.const0_buffer, NULL);
383 svga->state.hw_draw.const0_handle = NULL;
384 }
385
386 /* Ensure that texture dma uploads are processed
387 * before submitting commands.
388 */
389 svga_context_flush_buffers(svga);
390
391 svga->hud.command_buffer_size +=
392 svga->swc->get_command_buffer_size(svga->swc);
393
394 /* Flush pending commands to hardware:
395 */
396 t0 = svga_get_time(svga);
397 svga->swc->flush(svga->swc, &fence);
398 svga->hud.flush_time += (svga_get_time(svga) - t0);
399
400 svga->hud.num_flushes++;
401
402 svga_screen_cache_flush(svgascreen, svga, fence);
403
404 SVGA3D_ResetLastCommand(svga->swc);
405
406 /* To force the re-emission of rendertargets and texture sampler bindings on
407 * the next command buffer.
408 */
409 svga->rebind.flags.rendertargets = TRUE;
410 svga->rebind.flags.texture_samplers = TRUE;
411
412 if (svga_have_gb_objects(svga)) {
413
414 svga->rebind.flags.constbufs = TRUE;
415 svga->rebind.flags.vs = TRUE;
416 svga->rebind.flags.fs = TRUE;
417 svga->rebind.flags.gs = TRUE;
418
419 if (svga_have_sm5(svga)) {
420 svga->rebind.flags.tcs = TRUE;
421 svga->rebind.flags.tes = TRUE;
422 }
423
424 if (svga_need_to_rebind_resources(svga)) {
425 svga->rebind.flags.query = TRUE;
426 }
427 }
428
429 if (SVGA_DEBUG & DEBUG_SYNC) {
430 if (fence)
431 svga->pipe.screen->fence_finish(svga->pipe.screen, NULL, fence,
432 PIPE_TIMEOUT_INFINITE);
433 }
434
435 if (pfence)
436 svgascreen->sws->fence_reference(svgascreen->sws, pfence, fence);
437
438 svgascreen->sws->fence_reference(svgascreen->sws, &fence, NULL);
439
440 SVGA_STATS_TIME_POP(svga_sws(svga));
441 }
442
443
444 /**
445 * Flush pending commands and wait for completion with a fence.
446 */
447 void
svga_context_finish(struct svga_context * svga)448 svga_context_finish(struct svga_context *svga)
449 {
450 struct pipe_screen *screen = svga->pipe.screen;
451 struct pipe_fence_handle *fence = NULL;
452
453 SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_CONTEXTFINISH);
454
455 svga_context_flush(svga, &fence);
456 screen->fence_finish(screen, NULL, fence, PIPE_TIMEOUT_INFINITE);
457 screen->fence_reference(screen, &fence, NULL);
458
459 SVGA_STATS_TIME_POP(svga_sws(svga));
460 }
461
462
463 /**
464 * Emit pending drawing commands to the command buffer.
465 * If the command buffer overflows, we flush it and retry.
466 * \sa svga_hwtnl_flush()
467 */
468 void
svga_hwtnl_flush_retry(struct svga_context * svga)469 svga_hwtnl_flush_retry(struct svga_context *svga)
470 {
471 enum pipe_error ret = PIPE_OK;
472
473 SVGA_RETRY_OOM(svga, ret, svga_hwtnl_flush(svga->hwtnl));
474 assert(ret == PIPE_OK);
475 }
476
477
478 /**
479 * Flush the primitive queue if this buffer is referred.
480 *
481 * Otherwise DMA commands on the referred buffer will be emitted too late.
482 */
483 void
svga_hwtnl_flush_buffer(struct svga_context * svga,struct pipe_resource * buffer)484 svga_hwtnl_flush_buffer(struct svga_context *svga,
485 struct pipe_resource *buffer)
486 {
487 if (svga_hwtnl_is_buffer_referred(svga->hwtnl, buffer)) {
488 svga_hwtnl_flush_retry(svga);
489 }
490 }
491
492
493 /**
494 * Emit all operations pending on host surfaces.
495 */
496 void
svga_surfaces_flush(struct svga_context * svga)497 svga_surfaces_flush(struct svga_context *svga)
498 {
499 SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_SURFACEFLUSH);
500
501 /* Emit buffered drawing commands.
502 */
503 svga_hwtnl_flush_retry(svga);
504
505 /* Emit back-copy from render target views to textures.
506 */
507 svga_propagate_rendertargets(svga);
508
509 SVGA_STATS_TIME_POP(svga_sws(svga));
510 }
511
512
513 struct svga_winsys_context *
svga_winsys_context(struct pipe_context * pipe)514 svga_winsys_context(struct pipe_context *pipe)
515 {
516 return svga_context(pipe)->swc;
517 }
518