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_log_process(ctx, true);
 182         assert(list_is_empty(&ctx->log_chunks));
 183
 184         fd_fence_ref(&ctx->last_fence, NULL);
 185
 186         util_copy_framebuffer_state(&ctx->framebuffer, NULL);
 187         fd_batch_reference(&ctx->batch, NULL);  /* unref current batch */
 188         fd_bc_invalidate_context(ctx);
 189
 190         fd_prog_fini(pctx);
 191
 192         if (ctx->blitter)
 193                 util_blitter_destroy(ctx->blitter);
 194
 195         if (pctx->stream_uploader)
 196                 u_upload_destroy(pctx->stream_uploader);
 197
 198         if (ctx->clear_rs_state)
 199                 pctx->delete_rasterizer_state(pctx, ctx->clear_rs_state);
 200
 201         if (ctx->primconvert)
 202                 util_primconvert_destroy(ctx->primconvert);
 203
 204         slab_destroy_child(&ctx->transfer_pool);
 205
 206         for (i = 0; i < ARRAY_SIZE(ctx->vsc_pipe_bo); i++) {
 207                 if (!ctx->vsc_pipe_bo[i])
 208                         break;
 209                 fd_bo_del(ctx->vsc_pipe_bo[i]);
 210         }
 211
 212         fd_device_del(ctx->dev);
 213         fd_pipe_del(ctx->pipe);
 214
 215         mtx_destroy(&ctx->gmem_lock);
 216
 217         if (fd_mesa_debug & (FD_DBG_BSTAT | FD_DBG_MSGS)) {
 218                 printf("batch_total=%u, batch_sysmem=%u, batch_gmem=%u, batch_nondraw=%u, batch_restore=%u\n",
 219                         (uint32_t)ctx->stats.batch_total, (uint32_t)ctx->stats.batch_sysmem,
 220                         (uint32_t)ctx->stats.batch_gmem, (uint32_t)ctx->stats.batch_nondraw,
 221                         (uint32_t)ctx->stats.batch_restore);
 222         }
 223 }
 224
 225 static void
 226 fd_set_debug_callback(struct pipe_context *pctx,
 227                 const struct pipe_debug_callback *cb)
 228 {
 229         struct fd_context *ctx = fd_context(pctx);
 230
 231         if (cb)
 232                 ctx->debug = *cb;
 233         else
 234                 memset(&ctx->debug, 0, sizeof(ctx->debug));
 235 }
 236
 237 static uint32_t
 238 fd_get_reset_count(struct fd_context *ctx, bool per_context)
 239 {
 240         uint64_t val;
 241         enum fd_param_id param =
 242                 per_context ? FD_CTX_FAULTS : FD_GLOBAL_FAULTS;
 243         int ret = fd_pipe_get_param(ctx->pipe, param, &val);
 244         debug_assert(!ret);
 245         return val;
 246 }
 247
 248 static enum pipe_reset_status
 249 fd_get_device_reset_status(struct pipe_context *pctx)
 250 {
 251         struct fd_context *ctx = fd_context(pctx);
 252         int context_faults = fd_get_reset_count(ctx, true);
 253         int global_faults  = fd_get_reset_count(ctx, false);
 254         enum pipe_reset_status status;
 255
 256         if (context_faults != ctx->context_reset_count) {
 257                 status = PIPE_GUILTY_CONTEXT_RESET;
 258         } else if (global_faults != ctx->global_reset_count) {
 259                 status = PIPE_INNOCENT_CONTEXT_RESET;
 260         } else {
 261                 status = PIPE_NO_RESET;
 262         }
 263
 264         ctx->context_reset_count = context_faults;
 265         ctx->global_reset_count = global_faults;
 266
 267         return status;
 268 }
 269
 270 /* TODO we could combine a few of these small buffers (solid_vbuf,
 271  * blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
 272  * save a tiny bit of memory
 273  */
 274
 275 static struct pipe_resource *
 276 create_solid_vertexbuf(struct pipe_context *pctx)
 277 {
 278         static const float init_shader_const[] = {
 279                         -1.000000, +1.000000, +1.000000,
 280                         +1.000000, -1.000000, +1.000000,
 281         };
 282         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 283                         PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
 284         pipe_buffer_write(pctx, prsc, 0,
 285                         sizeof(init_shader_const), init_shader_const);
 286         return prsc;
 287 }
 288
 289 static struct pipe_resource *
 290 create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
 291 {
 292         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 293                         PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
 294         return prsc;
 295 }
 296
 297 void
 298 fd_context_setup_common_vbos(struct fd_context *ctx)
 299 {
 300         struct pipe_context *pctx = &ctx->base;
 301
 302         ctx->solid_vbuf = create_solid_vertexbuf(pctx);
 303         ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
 304
 305         /* setup solid_vbuf_state: */
 306         ctx->solid_vbuf_state.vtx = pctx->create_vertex_elements_state(
 307                         pctx, 1, (struct pipe_vertex_element[]){{
 308                                 .vertex_buffer_index = 0,
 309                                 .src_offset = 0,
 310                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 311                         }});
 312         ctx->solid_vbuf_state.vertexbuf.count = 1;
 313         ctx->solid_vbuf_state.vertexbuf.vb[0].stride = 12;
 314         ctx->solid_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->solid_vbuf;
 315
 316         /* setup blit_vbuf_state: */
 317         ctx->blit_vbuf_state.vtx = pctx->create_vertex_elements_state(
 318                         pctx, 2, (struct pipe_vertex_element[]){{
 319                                 .vertex_buffer_index = 0,
 320                                 .src_offset = 0,
 321                                 .src_format = PIPE_FORMAT_R32G32_FLOAT,
 322                         }, {
 323                                 .vertex_buffer_index = 1,
 324                                 .src_offset = 0,
 325                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 326                         }});
 327         ctx->blit_vbuf_state.vertexbuf.count = 2;
 328         ctx->blit_vbuf_state.vertexbuf.vb[0].stride = 8;
 329         ctx->blit_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->blit_texcoord_vbuf;
 330         ctx->blit_vbuf_state.vertexbuf.vb[1].stride = 12;
 331         ctx->blit_vbuf_state.vertexbuf.vb[1].buffer.resource = ctx->solid_vbuf;
 332 }
 333
 334 void
 335 fd_context_cleanup_common_vbos(struct fd_context *ctx)
 336 {
 337         struct pipe_context *pctx = &ctx->base;
 338
 339         pctx->delete_vertex_elements_state(pctx, ctx->solid_vbuf_state.vtx);
 340         pctx->delete_vertex_elements_state(pctx, ctx->blit_vbuf_state.vtx);
 341
 342         pipe_resource_reference(&ctx->solid_vbuf, NULL);
 343         pipe_resource_reference(&ctx->blit_texcoord_vbuf, NULL);
 344 }
 345
 346 struct pipe_context *
 347 fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
 348                 const uint8_t *primtypes, void *priv, unsigned flags)
 349 {
 350         struct fd_screen *screen = fd_screen(pscreen);
 351         struct pipe_context *pctx;
 352         unsigned prio = 1;
 353         int i;
 354
 355         /* lower numerical value == higher priority: */
 356         if (fd_mesa_debug & FD_DBG_HIPRIO)
 357                 prio = 0;
 358         else if (flags & PIPE_CONTEXT_HIGH_PRIORITY)
 359                 prio = 0;
 360         else if (flags & PIPE_CONTEXT_LOW_PRIORITY)
 361                 prio = 2;
 362
 363         ctx->screen = screen;
 364         ctx->pipe = fd_pipe_new2(screen->dev, FD_PIPE_3D, prio);
 365
 366         if (fd_device_version(screen->dev) >= FD_VERSION_ROBUSTNESS) {
 367                 ctx->context_reset_count = fd_get_reset_count(ctx, true);
 368                 ctx->global_reset_count = fd_get_reset_count(ctx, false);
 369         }
 370
 371         ctx->primtypes = primtypes;
 372         ctx->primtype_mask = 0;
 373         for (i = 0; i < PIPE_PRIM_MAX; i++)
 374                 if (primtypes[i])
 375                         ctx->primtype_mask |= (1 << i);
 376
 377         (void) mtx_init(&ctx->gmem_lock, mtx_plain);
 378
 379         /* need some sane default in case state tracker doesn't
 380          * set some state:
 381          */
 382         ctx->sample_mask = 0xffff;
 383         ctx->active_queries = true;
 384
 385         pctx = &ctx->base;
 386         pctx->screen = pscreen;
 387         pctx->priv = priv;
 388         pctx->flush = fd_context_flush;
 389         pctx->emit_string_marker = fd_emit_string_marker;
 390         pctx->set_debug_callback = fd_set_debug_callback;
 391         pctx->get_device_reset_status = fd_get_device_reset_status;
 392         pctx->create_fence_fd = fd_create_fence_fd;
 393         pctx->fence_server_sync = fd_fence_server_sync;
 394         pctx->texture_barrier = fd_texture_barrier;
 395         pctx->memory_barrier = fd_memory_barrier;
 396
 397         pctx->stream_uploader = u_upload_create_default(pctx);
 398         if (!pctx->stream_uploader)
 399                 goto fail;
 400         pctx->const_uploader = pctx->stream_uploader;
 401
 402         slab_create_child(&ctx->transfer_pool, &screen->transfer_pool);
 403
 404         fd_draw_init(pctx);
 405         fd_resource_context_init(pctx);
 406         fd_query_context_init(pctx);
 407         fd_texture_init(pctx);
 408         fd_state_init(pctx);
 409
 410         ctx->blitter = util_blitter_create(pctx);
 411         if (!ctx->blitter)
 412                 goto fail;
 413
 414         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 415         if (!ctx->primconvert)
 416                 goto fail;
 417
 418         list_inithead(&ctx->hw_active_queries);
 419         list_inithead(&ctx->acc_active_queries);
 420         list_inithead(&ctx->log_chunks);
 421
 422         ctx->log_out = stdout;
 423
 424         if ((fd_mesa_debug & FD_DBG_LOG) &&
 425                         !(ctx->record_timestamp && ctx->ts_to_ns)) {
 426                 printf("logging not supported!\n");
 427                 fd_mesa_debug &= ~FD_DBG_LOG;
 428         }
 429
 430 #if DETECT_OS_ANDROID
 431         if (fd_mesa_debug && FD_DBG_LOG) {
 432                 static unsigned idx = 0;
 433                 char *p;
 434                 asprintf(&p, "/data/fdlog/%s-%d.log", util_get_process_name(), idx++);
 435
 436                 FILE *f = fopen(p, "w");
 437                 if (f)
 438                         ctx->log_out = f;
 439         }
 440 #endif
 441
 442         return pctx;
 443
 444 fail:
 445         pctx->destroy(pctx);
 446         return NULL;
 447 }