src/gallium/drivers/freedreno/freedreno_context.c

   1 /*
   2  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #include "freedreno_context.h"
  28 #include "freedreno_blitter.h"
  29 #include "freedreno_draw.h"
  30 #include "freedreno_fence.h"
  31 #include "freedreno_log.h"
  32 #include "freedreno_program.h"
  33 #include "freedreno_resource.h"
  34 #include "freedreno_texture.h"
  35 #include "freedreno_state.h"
  36 #include "freedreno_gmem.h"
  37 #include "freedreno_query.h"
  38 #include "freedreno_query_hw.h"
  39 #include "freedreno_util.h"
  40 #include "util/u_upload_mgr.h"
  41
  42 #if DETECT_OS_ANDROID
  43 #include "util/u_process.h"
  44 #include <sys/stat.h>
  45 #include <sys/types.h>
  46 #endif
  47
  48 static void
  49 fd_context_flush(struct pipe_context *pctx, struct pipe_fence_handle **fencep,
  50                 unsigned flags)
  51 {
  52         struct fd_context *ctx = fd_context(pctx);
  53         struct pipe_fence_handle *fence = NULL;
  54         // TODO we want to lookup batch if it exists, but not create one if not.
  55         struct fd_batch *batch = fd_context_batch(ctx);
  56
  57         DBG("%p: flush: flags=%x\n", ctx->batch, flags);
  58
  59         /* In some sequence of events, we can end up with a last_fence that is
  60          * not an "fd" fence, which results in eglDupNativeFenceFDANDROID()
  61          * errors.
  62          */
  63         if ((flags & PIPE_FLUSH_FENCE_FD) && ctx->last_fence &&
  64                         !fd_fence_is_fd(ctx->last_fence))
  65                 fd_fence_ref(&ctx->last_fence, NULL);
  66
  67         /* if no rendering since last flush, ie. app just decided it needed
  68          * a fence, re-use the last one:
  69          */
  70         if (ctx->last_fence) {
  71                 fd_fence_ref(&fence, ctx->last_fence);
  72                 fd_bc_dump(ctx->screen, "%p: reuse last_fence, remaining:\n", ctx);
  73                 goto out;
  74         }
  75
  76         if (!batch) {
  77                 fd_bc_dump(ctx->screen, "%p: NULL batch, remaining:\n", ctx);
  78                 return;
  79         }
  80
  81         /* Take a ref to the batch's fence (batch can be unref'd when flushed: */
  82         fd_fence_ref(&fence, batch->fence);
  83
  84         if (flags & PIPE_FLUSH_FENCE_FD)
  85                 batch->needs_out_fence_fd = true;
  86
  87         fd_bc_dump(ctx->screen, "%p: flushing %p<%u>, flags=0x%x, pending:\n",
  88                         ctx, batch, batch->seqno, flags);
  89
  90         if (!ctx->screen->reorder) {
  91                 fd_batch_flush(batch);
  92         } else if (flags & PIPE_FLUSH_DEFERRED) {
  93                 fd_bc_flush_deferred(&ctx->screen->batch_cache, ctx);
  94         } else {
  95                 fd_bc_flush(&ctx->screen->batch_cache, ctx);
  96         }
  97
  98         fd_bc_dump(ctx->screen, "%p: remaining:\n", ctx);
  99
 100 out:
 101         if (fencep)
 102                 fd_fence_ref(fencep, fence);
 103
 104         fd_fence_ref(&ctx->last_fence, fence);
 105
 106         fd_fence_ref(&fence, NULL);
 107
 108         if (flags & PIPE_FLUSH_END_OF_FRAME)
 109                 fd_log_eof(ctx);
 110 }
 111
 112 static void
 113 fd_texture_barrier(struct pipe_context *pctx, unsigned flags)
 114 {
 115         if (flags == PIPE_TEXTURE_BARRIER_FRAMEBUFFER) {
 116                 struct fd_context *ctx = fd_context(pctx);
 117
 118                 if (ctx->framebuffer_barrier) {
 119                         ctx->framebuffer_barrier(ctx);
 120                         return;
 121                 }
 122         }
 123
 124         /* On devices that could sample from GMEM we could possibly do better.
 125          * Or if we knew that we were doing GMEM bypass we could just emit a
 126          * cache flush, perhaps?  But we don't know if future draws would cause
 127          * us to use GMEM, and a flush in bypass isn't the end of the world.
 128          */
 129         fd_context_flush(pctx, NULL, 0);
 130 }
 131
 132 static void
 133 fd_memory_barrier(struct pipe_context *pctx, unsigned flags)
 134 {
 135         if (!(flags & ~PIPE_BARRIER_UPDATE))
 136                 return;
 137
 138         fd_context_flush(pctx, NULL, 0);
 139         /* TODO do we need to check for persistently mapped buffers and fd_bo_cpu_prep()?? */
 140 }
 141
 142 static void
 143 emit_string_tail(struct fd_ringbuffer *ring, const char *string, int len)
 144 {
 145         const uint32_t *buf = (const void *)string;
 146
 147         while (len >= 4) {
 148                 OUT_RING(ring, *buf);
 149                 buf++;
 150                 len -= 4;
 151         }
 152
 153         /* copy remainder bytes without reading past end of input string: */
 154         if (len > 0) {
 155                 uint32_t w = 0;
 156                 memcpy(&w, buf, len);
 157                 OUT_RING(ring, w);
 158         }
 159 }
 160
 161 /* for prior to a5xx: */
 162 void
 163 fd_emit_string(struct fd_ringbuffer *ring,
 164                 const char *string, int len)
 165 {
 166         /* max packet size is 0x3fff+1 dwords: */
 167         len = MIN2(len, 0x4000 * 4);
 168
 169         OUT_PKT3(ring, CP_NOP, align(len, 4) / 4);
 170         emit_string_tail(ring, string, len);
 171 }
 172
 173 /* for a5xx+ */
 174 void
 175 fd_emit_string5(struct fd_ringbuffer *ring,
 176                 const char *string, int len)
 177 {
 178         /* max packet size is 0x3fff dwords: */
 179         len = MIN2(len, 0x3fff * 4);
 180
 181         OUT_PKT7(ring, CP_NOP, align(len, 4) / 4);
 182         emit_string_tail(ring, string, len);
 183 }
 184
 185 /**
 186  * emit marker string as payload of a no-op packet, which can be
 187  * decoded by cffdump.
 188  */
 189 static void
 190 fd_emit_string_marker(struct pipe_context *pctx, const char *string, int len)
 191 {
 192         struct fd_context *ctx = fd_context(pctx);
 193
 194         if (!ctx->batch)
 195                 return;
 196
 197         ctx->batch->needs_flush = true;
 198
 199         if (ctx->screen->gpu_id >= 500) {
 200                 fd_emit_string5(ctx->batch->draw, string, len);
 201         } else {
 202                 fd_emit_string(ctx->batch->draw, string, len);
 203         }
 204 }
 205
 206 void
 207 fd_context_destroy(struct pipe_context *pctx)
 208 {
 209         struct fd_context *ctx = fd_context(pctx);
 210         unsigned i;
 211
 212         DBG("");
 213
 214         fd_screen_lock(ctx->screen);
 215         list_del(&ctx->node);
 216         fd_screen_unlock(ctx->screen);
 217
 218         fd_log_process(ctx, true);
 219         assert(list_is_empty(&ctx->log_chunks));
 220
 221         fd_fence_ref(&ctx->last_fence, NULL);
 222
 223         if (ctx->in_fence_fd != -1)
 224                 close(ctx->in_fence_fd);
 225
 226         util_copy_framebuffer_state(&ctx->framebuffer, NULL);
 227         fd_batch_reference(&ctx->batch, NULL);  /* unref current batch */
 228         fd_bc_invalidate_context(ctx);
 229
 230         fd_prog_fini(pctx);
 231
 232         if (ctx->blitter)
 233                 util_blitter_destroy(ctx->blitter);
 234
 235         if (pctx->stream_uploader)
 236                 u_upload_destroy(pctx->stream_uploader);
 237
 238         if (ctx->clear_rs_state)
 239                 pctx->delete_rasterizer_state(pctx, ctx->clear_rs_state);
 240
 241         if (ctx->primconvert)
 242                 util_primconvert_destroy(ctx->primconvert);
 243
 244         slab_destroy_child(&ctx->transfer_pool);
 245
 246         for (i = 0; i < ARRAY_SIZE(ctx->vsc_pipe_bo); i++) {
 247                 if (!ctx->vsc_pipe_bo[i])
 248                         break;
 249                 fd_bo_del(ctx->vsc_pipe_bo[i]);
 250         }
 251
 252         fd_device_del(ctx->dev);
 253         fd_pipe_del(ctx->pipe);
 254
 255         mtx_destroy(&ctx->gmem_lock);
 256
 257         if (fd_mesa_debug & (FD_DBG_BSTAT | FD_DBG_MSGS)) {
 258                 printf("batch_total=%u, batch_sysmem=%u, batch_gmem=%u, batch_nondraw=%u, batch_restore=%u\n",
 259                         (uint32_t)ctx->stats.batch_total, (uint32_t)ctx->stats.batch_sysmem,
 260                         (uint32_t)ctx->stats.batch_gmem, (uint32_t)ctx->stats.batch_nondraw,
 261                         (uint32_t)ctx->stats.batch_restore);
 262         }
 263 }
 264
 265 static void
 266 fd_set_debug_callback(struct pipe_context *pctx,
 267                 const struct pipe_debug_callback *cb)
 268 {
 269         struct fd_context *ctx = fd_context(pctx);
 270
 271         if (cb)
 272                 ctx->debug = *cb;
 273         else
 274                 memset(&ctx->debug, 0, sizeof(ctx->debug));
 275 }
 276
 277 static uint32_t
 278 fd_get_reset_count(struct fd_context *ctx, bool per_context)
 279 {
 280         uint64_t val;
 281         enum fd_param_id param =
 282                 per_context ? FD_CTX_FAULTS : FD_GLOBAL_FAULTS;
 283         int ret = fd_pipe_get_param(ctx->pipe, param, &val);
 284         debug_assert(!ret);
 285         return val;
 286 }
 287
 288 static enum pipe_reset_status
 289 fd_get_device_reset_status(struct pipe_context *pctx)
 290 {
 291         struct fd_context *ctx = fd_context(pctx);
 292         int context_faults = fd_get_reset_count(ctx, true);
 293         int global_faults  = fd_get_reset_count(ctx, false);
 294         enum pipe_reset_status status;
 295
 296         if (context_faults != ctx->context_reset_count) {
 297                 status = PIPE_GUILTY_CONTEXT_RESET;
 298         } else if (global_faults != ctx->global_reset_count) {
 299                 status = PIPE_INNOCENT_CONTEXT_RESET;
 300         } else {
 301                 status = PIPE_NO_RESET;
 302         }
 303
 304         ctx->context_reset_count = context_faults;
 305         ctx->global_reset_count = global_faults;
 306
 307         return status;
 308 }
 309
 310 /* TODO we could combine a few of these small buffers (solid_vbuf,
 311  * blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
 312  * save a tiny bit of memory
 313  */
 314
 315 static struct pipe_resource *
 316 create_solid_vertexbuf(struct pipe_context *pctx)
 317 {
 318         static const float init_shader_const[] = {
 319                         -1.000000, +1.000000, +1.000000,
 320                         +1.000000, -1.000000, +1.000000,
 321         };
 322         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 323                         PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
 324         pipe_buffer_write(pctx, prsc, 0,
 325                         sizeof(init_shader_const), init_shader_const);
 326         return prsc;
 327 }
 328
 329 static struct pipe_resource *
 330 create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
 331 {
 332         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 333                         PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
 334         return prsc;
 335 }
 336
 337 void
 338 fd_context_setup_common_vbos(struct fd_context *ctx)
 339 {
 340         struct pipe_context *pctx = &ctx->base;
 341
 342         ctx->solid_vbuf = create_solid_vertexbuf(pctx);
 343         ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
 344
 345         /* setup solid_vbuf_state: */
 346         ctx->solid_vbuf_state.vtx = pctx->create_vertex_elements_state(
 347                         pctx, 1, (struct pipe_vertex_element[]){{
 348                                 .vertex_buffer_index = 0,
 349                                 .src_offset = 0,
 350                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 351                         }});
 352         ctx->solid_vbuf_state.vertexbuf.count = 1;
 353         ctx->solid_vbuf_state.vertexbuf.vb[0].stride = 12;
 354         ctx->solid_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->solid_vbuf;
 355
 356         /* setup blit_vbuf_state: */
 357         ctx->blit_vbuf_state.vtx = pctx->create_vertex_elements_state(
 358                         pctx, 2, (struct pipe_vertex_element[]){{
 359                                 .vertex_buffer_index = 0,
 360                                 .src_offset = 0,
 361                                 .src_format = PIPE_FORMAT_R32G32_FLOAT,
 362                         }, {
 363                                 .vertex_buffer_index = 1,
 364                                 .src_offset = 0,
 365                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 366                         }});
 367         ctx->blit_vbuf_state.vertexbuf.count = 2;
 368         ctx->blit_vbuf_state.vertexbuf.vb[0].stride = 8;
 369         ctx->blit_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->blit_texcoord_vbuf;
 370         ctx->blit_vbuf_state.vertexbuf.vb[1].stride = 12;
 371         ctx->blit_vbuf_state.vertexbuf.vb[1].buffer.resource = ctx->solid_vbuf;
 372 }
 373
 374 void
 375 fd_context_cleanup_common_vbos(struct fd_context *ctx)
 376 {
 377         struct pipe_context *pctx = &ctx->base;
 378
 379         pctx->delete_vertex_elements_state(pctx, ctx->solid_vbuf_state.vtx);
 380         pctx->delete_vertex_elements_state(pctx, ctx->blit_vbuf_state.vtx);
 381
 382         pipe_resource_reference(&ctx->solid_vbuf, NULL);
 383         pipe_resource_reference(&ctx->blit_texcoord_vbuf, NULL);
 384 }
 385
 386 struct pipe_context *
 387 fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
 388                 const uint8_t *primtypes, void *priv, unsigned flags)
 389 {
 390         struct fd_screen *screen = fd_screen(pscreen);
 391         struct pipe_context *pctx;
 392         unsigned prio = 1;
 393         int i;
 394
 395         /* lower numerical value == higher priority: */
 396         if (fd_mesa_debug & FD_DBG_HIPRIO)
 397                 prio = 0;
 398         else if (flags & PIPE_CONTEXT_HIGH_PRIORITY)
 399                 prio = 0;
 400         else if (flags & PIPE_CONTEXT_LOW_PRIORITY)
 401                 prio = 2;
 402
 403         ctx->screen = screen;
 404         ctx->pipe = fd_pipe_new2(screen->dev, FD_PIPE_3D, prio);
 405
 406         ctx->in_fence_fd = -1;
 407
 408         if (fd_device_version(screen->dev) >= FD_VERSION_ROBUSTNESS) {
 409                 ctx->context_reset_count = fd_get_reset_count(ctx, true);
 410                 ctx->global_reset_count = fd_get_reset_count(ctx, false);
 411         }
 412
 413         ctx->primtypes = primtypes;
 414         ctx->primtype_mask = 0;
 415         for (i = 0; i < PIPE_PRIM_MAX; i++)
 416                 if (primtypes[i])
 417                         ctx->primtype_mask |= (1 << i);
 418
 419         (void) mtx_init(&ctx->gmem_lock, mtx_plain);
 420
 421         /* need some sane default in case gallium frontends don't
 422          * set some state:
 423          */
 424         ctx->sample_mask = 0xffff;
 425         ctx->active_queries = true;
 426
 427         pctx = &ctx->base;
 428         pctx->screen = pscreen;
 429         pctx->priv = priv;
 430         pctx->flush = fd_context_flush;
 431         pctx->emit_string_marker = fd_emit_string_marker;
 432         pctx->set_debug_callback = fd_set_debug_callback;
 433         pctx->get_device_reset_status = fd_get_device_reset_status;
 434         pctx->create_fence_fd = fd_create_fence_fd;
 435         pctx->fence_server_sync = fd_fence_server_sync;
 436         pctx->fence_server_signal = fd_fence_server_signal;
 437         pctx->texture_barrier = fd_texture_barrier;
 438         pctx->memory_barrier = fd_memory_barrier;
 439
 440         pctx->stream_uploader = u_upload_create_default(pctx);
 441         if (!pctx->stream_uploader)
 442                 goto fail;
 443         pctx->const_uploader = pctx->stream_uploader;
 444
 445         slab_create_child(&ctx->transfer_pool, &screen->transfer_pool);
 446
 447         fd_draw_init(pctx);
 448         fd_resource_context_init(pctx);
 449         fd_query_context_init(pctx);
 450         fd_texture_init(pctx);
 451         fd_state_init(pctx);
 452
 453         ctx->blitter = util_blitter_create(pctx);
 454         if (!ctx->blitter)
 455                 goto fail;
 456
 457         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 458         if (!ctx->primconvert)
 459                 goto fail;
 460
 461         list_inithead(&ctx->hw_active_queries);
 462         list_inithead(&ctx->acc_active_queries);
 463         list_inithead(&ctx->log_chunks);
 464
 465         fd_screen_lock(ctx->screen);
 466         list_add(&ctx->node, &ctx->screen->context_list);
 467         fd_screen_unlock(ctx->screen);
 468
 469         ctx->current_scissor = &ctx->disabled_scissor;
 470
 471         ctx->log_out = stdout;
 472
 473         if ((fd_mesa_debug & FD_DBG_LOG) &&
 474                         !(ctx->record_timestamp && ctx->ts_to_ns)) {
 475                 printf("logging not supported!\n");
 476                 fd_mesa_debug &= ~FD_DBG_LOG;
 477         }
 478
 479 #if DETECT_OS_ANDROID
 480         if (fd_mesa_debug & FD_DBG_LOG) {
 481                 static unsigned idx = 0;
 482                 char *p;
 483                 asprintf(&p, "/data/fdlog/%s-%d.log", util_get_process_name(), idx++);
 484
 485                 FILE *f = fopen(p, "w");
 486                 if (f)
 487                         ctx->log_out = f;
 488         }
 489 #endif
 490
 491         return pctx;
 492
 493 fail:
 494         pctx->destroy(pctx);
 495         return NULL;
 496 }