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