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)
  64                 fd_fence_ref(&ctx->last_fence, NULL);
  65
  66         /* if no rendering since last flush, ie. app just decided it needed
  67          * a fence, re-use the last one:
  68          */
  69         if (ctx->last_fence) {
  70                 fd_fence_ref(&fence, ctx->last_fence);
  71                 fd_bc_dump(ctx->screen, "%p: reuse last_fence, remaining:\n", ctx);
  72                 goto out;
  73         }
  74
  75         if (!batch) {
  76                 fd_bc_dump(ctx->screen, "%p: NULL batch, remaining:\n", ctx);
  77                 return;
  78         }
  79
  80         /* Take a ref to the batch's fence (batch can be unref'd when flushed: */
  81         fd_fence_ref(&fence, batch->fence);
  82
  83         if (flags & PIPE_FLUSH_FENCE_FD)
  84                 batch->needs_out_fence_fd = true;
  85
  86         fd_bc_dump(ctx->screen, "%p: flushing %p<%u>, flags=0x%x, pending:\n",
  87                         ctx, batch, batch->seqno, flags);
  88
  89         if (!ctx->screen->reorder) {
  90                 fd_batch_flush(batch);
  91         } else if (flags & PIPE_FLUSH_DEFERRED) {
  92                 fd_bc_flush_deferred(&ctx->screen->batch_cache, ctx);
  93         } else {
  94                 fd_bc_flush(&ctx->screen->batch_cache, ctx);
  95         }
  96
  97         fd_bc_dump(ctx->screen, "%p: remaining:\n", ctx);
  98
  99 out:
 100         if (fencep)
 101                 fd_fence_ref(fencep, fence);
 102
 103         fd_fence_ref(&ctx->last_fence, fence);
 104
 105         fd_fence_ref(&fence, NULL);
 106
 107         if (flags & PIPE_FLUSH_END_OF_FRAME)
 108                 fd_log_eof(ctx);
 109 }
 110
 111 static void
 112 fd_texture_barrier(struct pipe_context *pctx, unsigned flags)
 113 {
 114         if (flags == PIPE_TEXTURE_BARRIER_FRAMEBUFFER) {
 115                 struct fd_context *ctx = fd_context(pctx);
 116
 117                 if (ctx->framebuffer_barrier) {
 118                         ctx->framebuffer_barrier(ctx);
 119                         return;
 120                 }
 121         }
 122
 123         /* On devices that could sample from GMEM we could possibly do better.
 124          * Or if we knew that we were doing GMEM bypass we could just emit a
 125          * cache flush, perhaps?  But we don't know if future draws would cause
 126          * us to use GMEM, and a flush in bypass isn't the end of the world.
 127          */
 128         fd_context_flush(pctx, NULL, 0);
 129 }
 130
 131 static void
 132 fd_memory_barrier(struct pipe_context *pctx, unsigned flags)
 133 {
 134         if (!(flags & ~PIPE_BARRIER_UPDATE))
 135                 return;
 136
 137         fd_context_flush(pctx, NULL, 0);
 138         /* TODO do we need to check for persistently mapped buffers and fd_bo_cpu_prep()?? */
 139 }
 140
 141 static void
 142 emit_string_tail(struct fd_ringbuffer *ring, const char *string, int len)
 143 {
 144         const uint32_t *buf = (const void *)string;
 145
 146         while (len >= 4) {
 147                 OUT_RING(ring, *buf);
 148                 buf++;
 149                 len -= 4;
 150         }
 151
 152         /* copy remainder bytes without reading past end of input string: */
 153         if (len > 0) {
 154                 uint32_t w = 0;
 155                 memcpy(&w, buf, len);
 156                 OUT_RING(ring, w);
 157         }
 158 }
 159
 160 /* for prior to a5xx: */
 161 void
 162 fd_emit_string(struct fd_ringbuffer *ring,
 163                 const char *string, int len)
 164 {
 165         /* max packet size is 0x3fff+1 dwords: */
 166         len = MIN2(len, 0x4000 * 4);
 167
 168         OUT_PKT3(ring, CP_NOP, align(len, 4) / 4);
 169         emit_string_tail(ring, string, len);
 170 }
 171
 172 /* for a5xx+ */
 173 void
 174 fd_emit_string5(struct fd_ringbuffer *ring,
 175                 const char *string, int len)
 176 {
 177         /* max packet size is 0x3fff dwords: */
 178         len = MIN2(len, 0x3fff * 4);
 179
 180         OUT_PKT7(ring, CP_NOP, align(len, 4) / 4);
 181         emit_string_tail(ring, string, len);
 182 }
 183
 184 /**
 185  * emit marker string as payload of a no-op packet, which can be
 186  * decoded by cffdump.
 187  */
 188 static void
 189 fd_emit_string_marker(struct pipe_context *pctx, const char *string, int len)
 190 {
 191         struct fd_context *ctx = fd_context(pctx);
 192
 193         if (!ctx->batch)
 194                 return;
 195
 196         ctx->batch->needs_flush = true;
 197
 198         if (ctx->screen->gpu_id >= 500) {
 199                 fd_emit_string5(ctx->batch->draw, string, len);
 200         } else {
 201                 fd_emit_string(ctx->batch->draw, string, len);
 202         }
 203 }
 204
 205 void
 206 fd_context_destroy(struct pipe_context *pctx)
 207 {
 208         struct fd_context *ctx = fd_context(pctx);
 209         unsigned i;
 210
 211         DBG("");
 212
 213         fd_screen_lock(ctx->screen);
 214         list_del(&ctx->node);
 215         fd_screen_unlock(ctx->screen);
 216
 217         fd_log_process(ctx, true);
 218         assert(list_is_empty(&ctx->log_chunks));
 219
 220         fd_fence_ref(&ctx->last_fence, NULL);
 221
 222         util_copy_framebuffer_state(&ctx->framebuffer, NULL);
 223         fd_batch_reference(&ctx->batch, NULL);  /* unref current batch */
 224         fd_bc_invalidate_context(ctx);
 225
 226         fd_prog_fini(pctx);
 227
 228         if (ctx->blitter)
 229                 util_blitter_destroy(ctx->blitter);
 230
 231         if (pctx->stream_uploader)
 232                 u_upload_destroy(pctx->stream_uploader);
 233
 234         if (ctx->clear_rs_state)
 235                 pctx->delete_rasterizer_state(pctx, ctx->clear_rs_state);
 236
 237         if (ctx->primconvert)
 238                 util_primconvert_destroy(ctx->primconvert);
 239
 240         slab_destroy_child(&ctx->transfer_pool);
 241
 242         for (i = 0; i < ARRAY_SIZE(ctx->vsc_pipe_bo); i++) {
 243                 if (!ctx->vsc_pipe_bo[i])
 244                         break;
 245                 fd_bo_del(ctx->vsc_pipe_bo[i]);
 246         }
 247
 248         fd_device_del(ctx->dev);
 249         fd_pipe_del(ctx->pipe);
 250
 251         mtx_destroy(&ctx->gmem_lock);
 252
 253         if (fd_mesa_debug & (FD_DBG_BSTAT | FD_DBG_MSGS)) {
 254                 printf("batch_total=%u, batch_sysmem=%u, batch_gmem=%u, batch_nondraw=%u, batch_restore=%u\n",
 255                         (uint32_t)ctx->stats.batch_total, (uint32_t)ctx->stats.batch_sysmem,
 256                         (uint32_t)ctx->stats.batch_gmem, (uint32_t)ctx->stats.batch_nondraw,
 257                         (uint32_t)ctx->stats.batch_restore);
 258         }
 259 }
 260
 261 static void
 262 fd_set_debug_callback(struct pipe_context *pctx,
 263                 const struct pipe_debug_callback *cb)
 264 {
 265         struct fd_context *ctx = fd_context(pctx);
 266
 267         if (cb)
 268                 ctx->debug = *cb;
 269         else
 270                 memset(&ctx->debug, 0, sizeof(ctx->debug));
 271 }
 272
 273 static uint32_t
 274 fd_get_reset_count(struct fd_context *ctx, bool per_context)
 275 {
 276         uint64_t val;
 277         enum fd_param_id param =
 278                 per_context ? FD_CTX_FAULTS : FD_GLOBAL_FAULTS;
 279         int ret = fd_pipe_get_param(ctx->pipe, param, &val);
 280         debug_assert(!ret);
 281         return val;
 282 }
 283
 284 static enum pipe_reset_status
 285 fd_get_device_reset_status(struct pipe_context *pctx)
 286 {
 287         struct fd_context *ctx = fd_context(pctx);
 288         int context_faults = fd_get_reset_count(ctx, true);
 289         int global_faults  = fd_get_reset_count(ctx, false);
 290         enum pipe_reset_status status;
 291
 292         if (context_faults != ctx->context_reset_count) {
 293                 status = PIPE_GUILTY_CONTEXT_RESET;
 294         } else if (global_faults != ctx->global_reset_count) {
 295                 status = PIPE_INNOCENT_CONTEXT_RESET;
 296         } else {
 297                 status = PIPE_NO_RESET;
 298         }
 299
 300         ctx->context_reset_count = context_faults;
 301         ctx->global_reset_count = global_faults;
 302
 303         return status;
 304 }
 305
 306 /* TODO we could combine a few of these small buffers (solid_vbuf,
 307  * blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
 308  * save a tiny bit of memory
 309  */
 310
 311 static struct pipe_resource *
 312 create_solid_vertexbuf(struct pipe_context *pctx)
 313 {
 314         static const float init_shader_const[] = {
 315                         -1.000000, +1.000000, +1.000000,
 316                         +1.000000, -1.000000, +1.000000,
 317         };
 318         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 319                         PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
 320         pipe_buffer_write(pctx, prsc, 0,
 321                         sizeof(init_shader_const), init_shader_const);
 322         return prsc;
 323 }
 324
 325 static struct pipe_resource *
 326 create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
 327 {
 328         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 329                         PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
 330         return prsc;
 331 }
 332
 333 void
 334 fd_context_setup_common_vbos(struct fd_context *ctx)
 335 {
 336         struct pipe_context *pctx = &ctx->base;
 337
 338         ctx->solid_vbuf = create_solid_vertexbuf(pctx);
 339         ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
 340
 341         /* setup solid_vbuf_state: */
 342         ctx->solid_vbuf_state.vtx = pctx->create_vertex_elements_state(
 343                         pctx, 1, (struct pipe_vertex_element[]){{
 344                                 .vertex_buffer_index = 0,
 345                                 .src_offset = 0,
 346                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 347                         }});
 348         ctx->solid_vbuf_state.vertexbuf.count = 1;
 349         ctx->solid_vbuf_state.vertexbuf.vb[0].stride = 12;
 350         ctx->solid_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->solid_vbuf;
 351
 352         /* setup blit_vbuf_state: */
 353         ctx->blit_vbuf_state.vtx = pctx->create_vertex_elements_state(
 354                         pctx, 2, (struct pipe_vertex_element[]){{
 355                                 .vertex_buffer_index = 0,
 356                                 .src_offset = 0,
 357                                 .src_format = PIPE_FORMAT_R32G32_FLOAT,
 358                         }, {
 359                                 .vertex_buffer_index = 1,
 360                                 .src_offset = 0,
 361                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 362                         }});
 363         ctx->blit_vbuf_state.vertexbuf.count = 2;
 364         ctx->blit_vbuf_state.vertexbuf.vb[0].stride = 8;
 365         ctx->blit_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->blit_texcoord_vbuf;
 366         ctx->blit_vbuf_state.vertexbuf.vb[1].stride = 12;
 367         ctx->blit_vbuf_state.vertexbuf.vb[1].buffer.resource = ctx->solid_vbuf;
 368 }
 369
 370 void
 371 fd_context_cleanup_common_vbos(struct fd_context *ctx)
 372 {
 373         struct pipe_context *pctx = &ctx->base;
 374
 375         pctx->delete_vertex_elements_state(pctx, ctx->solid_vbuf_state.vtx);
 376         pctx->delete_vertex_elements_state(pctx, ctx->blit_vbuf_state.vtx);
 377
 378         pipe_resource_reference(&ctx->solid_vbuf, NULL);
 379         pipe_resource_reference(&ctx->blit_texcoord_vbuf, NULL);
 380 }
 381
 382 struct pipe_context *
 383 fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
 384                 const uint8_t *primtypes, void *priv, unsigned flags)
 385 {
 386         struct fd_screen *screen = fd_screen(pscreen);
 387         struct pipe_context *pctx;
 388         unsigned prio = 1;
 389         int i;
 390
 391         /* lower numerical value == higher priority: */
 392         if (fd_mesa_debug & FD_DBG_HIPRIO)
 393                 prio = 0;
 394         else if (flags & PIPE_CONTEXT_HIGH_PRIORITY)
 395                 prio = 0;
 396         else if (flags & PIPE_CONTEXT_LOW_PRIORITY)
 397                 prio = 2;
 398
 399         ctx->screen = screen;
 400         ctx->pipe = fd_pipe_new2(screen->dev, FD_PIPE_3D, prio);
 401
 402         if (fd_device_version(screen->dev) >= FD_VERSION_ROBUSTNESS) {
 403                 ctx->context_reset_count = fd_get_reset_count(ctx, true);
 404                 ctx->global_reset_count = fd_get_reset_count(ctx, false);
 405         }
 406
 407         ctx->primtypes = primtypes;
 408         ctx->primtype_mask = 0;
 409         for (i = 0; i < PIPE_PRIM_MAX; i++)
 410                 if (primtypes[i])
 411                         ctx->primtype_mask |= (1 << i);
 412
 413         (void) mtx_init(&ctx->gmem_lock, mtx_plain);
 414
 415         /* need some sane default in case gallium frontends don't
 416          * set some state:
 417          */
 418         ctx->sample_mask = 0xffff;
 419         ctx->active_queries = true;
 420
 421         pctx = &ctx->base;
 422         pctx->screen = pscreen;
 423         pctx->priv = priv;
 424         pctx->flush = fd_context_flush;
 425         pctx->emit_string_marker = fd_emit_string_marker;
 426         pctx->set_debug_callback = fd_set_debug_callback;
 427         pctx->get_device_reset_status = fd_get_device_reset_status;
 428         pctx->create_fence_fd = fd_create_fence_fd;
 429         pctx->fence_server_sync = fd_fence_server_sync;
 430         pctx->texture_barrier = fd_texture_barrier;
 431         pctx->memory_barrier = fd_memory_barrier;
 432
 433         pctx->stream_uploader = u_upload_create_default(pctx);
 434         if (!pctx->stream_uploader)
 435                 goto fail;
 436         pctx->const_uploader = pctx->stream_uploader;
 437
 438         slab_create_child(&ctx->transfer_pool, &screen->transfer_pool);
 439
 440         fd_draw_init(pctx);
 441         fd_resource_context_init(pctx);
 442         fd_query_context_init(pctx);
 443         fd_texture_init(pctx);
 444         fd_state_init(pctx);
 445
 446         ctx->blitter = util_blitter_create(pctx);
 447         if (!ctx->blitter)
 448                 goto fail;
 449
 450         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 451         if (!ctx->primconvert)
 452                 goto fail;
 453
 454         list_inithead(&ctx->hw_active_queries);
 455         list_inithead(&ctx->acc_active_queries);
 456         list_inithead(&ctx->log_chunks);
 457
 458         fd_screen_lock(ctx->screen);
 459         list_add(&ctx->node, &ctx->screen->context_list);
 460         fd_screen_unlock(ctx->screen);
 461
 462         ctx->current_scissor = &ctx->disabled_scissor;
 463
 464         ctx->log_out = stdout;
 465
 466         if ((fd_mesa_debug & FD_DBG_LOG) &&
 467                         !(ctx->record_timestamp && ctx->ts_to_ns)) {
 468                 printf("logging not supported!\n");
 469                 fd_mesa_debug &= ~FD_DBG_LOG;
 470         }
 471
 472 #if DETECT_OS_ANDROID
 473         if (fd_mesa_debug & FD_DBG_LOG) {
 474                 static unsigned idx = 0;
 475                 char *p;
 476                 asprintf(&p, "/data/fdlog/%s-%d.log", util_get_process_name(), idx++);
 477
 478                 FILE *f = fopen(p, "w");
 479                 if (f)
 480                         ctx->log_out = f;
 481         }
 482 #endif
 483
 484         return pctx;
 485
 486 fail:
 487         pctx->destroy(pctx);
 488         return NULL;
 489 }