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