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 static void
  43 fd_context_flush(struct pipe_context *pctx, struct pipe_fence_handle **fencep,
  44                 unsigned flags)
  45 {
  46         struct fd_context *ctx = fd_context(pctx);
  47         struct pipe_fence_handle *fence = NULL;
  48         // TODO we want to lookup batch if it exists, but not create one if not.
  49         struct fd_batch *batch = fd_context_batch(ctx);
  50
  51         DBG("%p: flush: flags=%x\n", ctx->batch, flags);
  52
  53         /* In some sequence of events, we can end up with a last_fence that is
  54          * not an "fd" fence, which results in eglDupNativeFenceFDANDROID()
  55          * errors.
  56          *
  57          */
  58         if (flags & PIPE_FLUSH_FENCE_FD)
  59                 fd_fence_ref(&ctx->last_fence, NULL);
  60
  61         /* if no rendering since last flush, ie. app just decided it needed
  62          * a fence, re-use the last one:
  63          */
  64         if (ctx->last_fence) {
  65                 fd_fence_ref(&fence, ctx->last_fence);
  66                 goto out;
  67         }
  68
  69         if (!batch)
  70                 return;
  71
  72         /* Take a ref to the batch's fence (batch can be unref'd when flushed: */
  73         fd_fence_ref(&fence, batch->fence);
  74
  75         if (flags & PIPE_FLUSH_FENCE_FD)
  76                 batch->needs_out_fence_fd = true;
  77
  78         if (!ctx->screen->reorder) {
  79                 fd_batch_flush(batch);
  80         } else if (flags & PIPE_FLUSH_DEFERRED) {
  81                 fd_bc_flush_deferred(&ctx->screen->batch_cache, ctx);
  82         } else {
  83                 fd_bc_flush(&ctx->screen->batch_cache, ctx);
  84         }
  85
  86 out:
  87         if (fencep)
  88                 fd_fence_ref(fencep, fence);
  89
  90         fd_fence_ref(&ctx->last_fence, fence);
  91
  92         fd_fence_ref(&fence, NULL);
  93
  94         if (flags & PIPE_FLUSH_END_OF_FRAME)
  95                 fd_log_eof(ctx);
  96 }
  97
  98 static void
  99 fd_texture_barrier(struct pipe_context *pctx, unsigned flags)
 100 {
 101         if (flags == PIPE_TEXTURE_BARRIER_FRAMEBUFFER) {
 102                 struct fd_context *ctx = fd_context(pctx);
 103
 104                 if (ctx->framebuffer_barrier) {
 105                         ctx->framebuffer_barrier(ctx);
 106                         return;
 107                 }
 108         }
 109
 110         /* On devices that could sample from GMEM we could possibly do better.
 111          * Or if we knew that we were doing GMEM bypass we could just emit a
 112          * cache flush, perhaps?  But we don't know if future draws would cause
 113          * us to use GMEM, and a flush in bypass isn't the end of the world.
 114          */
 115         fd_context_flush(pctx, NULL, 0);
 116 }
 117
 118 static void
 119 fd_memory_barrier(struct pipe_context *pctx, unsigned flags)
 120 {
 121         if (!(flags & ~PIPE_BARRIER_UPDATE))
 122                 return;
 123
 124         fd_context_flush(pctx, NULL, 0);
 125         /* TODO do we need to check for persistently mapped buffers and fd_bo_cpu_prep()?? */
 126 }
 127
 128 /**
 129  * emit marker string as payload of a no-op packet, which can be
 130  * decoded by cffdump.
 131  */
 132 static void
 133 fd_emit_string_marker(struct pipe_context *pctx, const char *string, int len)
 134 {
 135         struct fd_context *ctx = fd_context(pctx);
 136         struct fd_ringbuffer *ring;
 137         const uint32_t *buf = (const void *)string;
 138
 139         if (!ctx->batch)
 140                 return;
 141
 142         ctx->batch->needs_flush = true;
 143
 144         ring = ctx->batch->draw;
 145
 146         /* max packet size is 0x3fff dwords: */
 147         len = MIN2(len, 0x3fff * 4);
 148
 149         if (ctx->screen->gpu_id >= 500)
 150                 OUT_PKT7(ring, CP_NOP, align(len, 4) / 4);
 151         else
 152                 OUT_PKT3(ring, CP_NOP, align(len, 4) / 4);
 153         while (len >= 4) {
 154                 OUT_RING(ring, *buf);
 155                 buf++;
 156                 len -= 4;
 157         }
 158
 159         /* copy remainder bytes without reading past end of input string: */
 160         if (len > 0) {
 161                 uint32_t w = 0;
 162                 memcpy(&w, buf, len);
 163                 OUT_RING(ring, w);
 164         }
 165 }
 166
 167 void
 168 fd_context_destroy(struct pipe_context *pctx)
 169 {
 170         struct fd_context *ctx = fd_context(pctx);
 171         unsigned i;
 172
 173         DBG("");
 174
 175         fd_log_process(ctx, true);
 176         assert(list_is_empty(&ctx->log_chunks));
 177
 178         fd_fence_ref(&ctx->last_fence, NULL);
 179
 180         util_copy_framebuffer_state(&ctx->framebuffer, NULL);
 181         fd_batch_reference(&ctx->batch, NULL);  /* unref current batch */
 182         fd_bc_invalidate_context(ctx);
 183
 184         fd_prog_fini(pctx);
 185
 186         if (ctx->blitter)
 187                 util_blitter_destroy(ctx->blitter);
 188
 189         if (pctx->stream_uploader)
 190                 u_upload_destroy(pctx->stream_uploader);
 191
 192         if (ctx->clear_rs_state)
 193                 pctx->delete_rasterizer_state(pctx, ctx->clear_rs_state);
 194
 195         if (ctx->primconvert)
 196                 util_primconvert_destroy(ctx->primconvert);
 197
 198         slab_destroy_child(&ctx->transfer_pool);
 199
 200         for (i = 0; i < ARRAY_SIZE(ctx->vsc_pipe_bo); i++) {
 201                 if (!ctx->vsc_pipe_bo[i])
 202                         break;
 203                 fd_bo_del(ctx->vsc_pipe_bo[i]);
 204         }
 205
 206         fd_device_del(ctx->dev);
 207         fd_pipe_del(ctx->pipe);
 208
 209         mtx_destroy(&ctx->gmem_lock);
 210
 211         if (fd_mesa_debug & (FD_DBG_BSTAT | FD_DBG_MSGS)) {
 212                 printf("batch_total=%u, batch_sysmem=%u, batch_gmem=%u, batch_nondraw=%u, batch_restore=%u\n",
 213                         (uint32_t)ctx->stats.batch_total, (uint32_t)ctx->stats.batch_sysmem,
 214                         (uint32_t)ctx->stats.batch_gmem, (uint32_t)ctx->stats.batch_nondraw,
 215                         (uint32_t)ctx->stats.batch_restore);
 216         }
 217 }
 218
 219 static void
 220 fd_set_debug_callback(struct pipe_context *pctx,
 221                 const struct pipe_debug_callback *cb)
 222 {
 223         struct fd_context *ctx = fd_context(pctx);
 224
 225         if (cb)
 226                 ctx->debug = *cb;
 227         else
 228                 memset(&ctx->debug, 0, sizeof(ctx->debug));
 229 }
 230
 231 static uint32_t
 232 fd_get_reset_count(struct fd_context *ctx, bool per_context)
 233 {
 234         uint64_t val;
 235         enum fd_param_id param =
 236                 per_context ? FD_CTX_FAULTS : FD_GLOBAL_FAULTS;
 237         int ret = fd_pipe_get_param(ctx->pipe, param, &val);
 238         debug_assert(!ret);
 239         return val;
 240 }
 241
 242 static enum pipe_reset_status
 243 fd_get_device_reset_status(struct pipe_context *pctx)
 244 {
 245         struct fd_context *ctx = fd_context(pctx);
 246         int context_faults = fd_get_reset_count(ctx, true);
 247         int global_faults  = fd_get_reset_count(ctx, false);
 248         enum pipe_reset_status status;
 249
 250         if (context_faults != ctx->context_reset_count) {
 251                 status = PIPE_GUILTY_CONTEXT_RESET;
 252         } else if (global_faults != ctx->global_reset_count) {
 253                 status = PIPE_INNOCENT_CONTEXT_RESET;
 254         } else {
 255                 status = PIPE_NO_RESET;
 256         }
 257
 258         ctx->context_reset_count = context_faults;
 259         ctx->global_reset_count = global_faults;
 260
 261         return status;
 262 }
 263
 264 /* TODO we could combine a few of these small buffers (solid_vbuf,
 265  * blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
 266  * save a tiny bit of memory
 267  */
 268
 269 static struct pipe_resource *
 270 create_solid_vertexbuf(struct pipe_context *pctx)
 271 {
 272         static const float init_shader_const[] = {
 273                         -1.000000, +1.000000, +1.000000,
 274                         +1.000000, -1.000000, +1.000000,
 275         };
 276         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 277                         PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
 278         pipe_buffer_write(pctx, prsc, 0,
 279                         sizeof(init_shader_const), init_shader_const);
 280         return prsc;
 281 }
 282
 283 static struct pipe_resource *
 284 create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
 285 {
 286         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 287                         PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
 288         return prsc;
 289 }
 290
 291 void
 292 fd_context_setup_common_vbos(struct fd_context *ctx)
 293 {
 294         struct pipe_context *pctx = &ctx->base;
 295
 296         ctx->solid_vbuf = create_solid_vertexbuf(pctx);
 297         ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
 298
 299         /* setup solid_vbuf_state: */
 300         ctx->solid_vbuf_state.vtx = pctx->create_vertex_elements_state(
 301                         pctx, 1, (struct pipe_vertex_element[]){{
 302                                 .vertex_buffer_index = 0,
 303                                 .src_offset = 0,
 304                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 305                         }});
 306         ctx->solid_vbuf_state.vertexbuf.count = 1;
 307         ctx->solid_vbuf_state.vertexbuf.vb[0].stride = 12;
 308         ctx->solid_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->solid_vbuf;
 309
 310         /* setup blit_vbuf_state: */
 311         ctx->blit_vbuf_state.vtx = pctx->create_vertex_elements_state(
 312                         pctx, 2, (struct pipe_vertex_element[]){{
 313                                 .vertex_buffer_index = 0,
 314                                 .src_offset = 0,
 315                                 .src_format = PIPE_FORMAT_R32G32_FLOAT,
 316                         }, {
 317                                 .vertex_buffer_index = 1,
 318                                 .src_offset = 0,
 319                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 320                         }});
 321         ctx->blit_vbuf_state.vertexbuf.count = 2;
 322         ctx->blit_vbuf_state.vertexbuf.vb[0].stride = 8;
 323         ctx->blit_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->blit_texcoord_vbuf;
 324         ctx->blit_vbuf_state.vertexbuf.vb[1].stride = 12;
 325         ctx->blit_vbuf_state.vertexbuf.vb[1].buffer.resource = ctx->solid_vbuf;
 326 }
 327
 328 void
 329 fd_context_cleanup_common_vbos(struct fd_context *ctx)
 330 {
 331         struct pipe_context *pctx = &ctx->base;
 332
 333         pctx->delete_vertex_elements_state(pctx, ctx->solid_vbuf_state.vtx);
 334         pctx->delete_vertex_elements_state(pctx, ctx->blit_vbuf_state.vtx);
 335
 336         pipe_resource_reference(&ctx->solid_vbuf, NULL);
 337         pipe_resource_reference(&ctx->blit_texcoord_vbuf, NULL);
 338 }
 339
 340 struct pipe_context *
 341 fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
 342                 const uint8_t *primtypes, void *priv, unsigned flags)
 343 {
 344         struct fd_screen *screen = fd_screen(pscreen);
 345         struct pipe_context *pctx;
 346         unsigned prio = 1;
 347         int i;
 348
 349         /* lower numerical value == higher priority: */
 350         if (fd_mesa_debug & FD_DBG_HIPRIO)
 351                 prio = 0;
 352         else if (flags & PIPE_CONTEXT_HIGH_PRIORITY)
 353                 prio = 0;
 354         else if (flags & PIPE_CONTEXT_LOW_PRIORITY)
 355                 prio = 2;
 356
 357         ctx->screen = screen;
 358         ctx->pipe = fd_pipe_new2(screen->dev, FD_PIPE_3D, prio);
 359
 360         if (fd_device_version(screen->dev) >= FD_VERSION_ROBUSTNESS) {
 361                 ctx->context_reset_count = fd_get_reset_count(ctx, true);
 362                 ctx->global_reset_count = fd_get_reset_count(ctx, false);
 363         }
 364
 365         ctx->primtypes = primtypes;
 366         ctx->primtype_mask = 0;
 367         for (i = 0; i < PIPE_PRIM_MAX; i++)
 368                 if (primtypes[i])
 369                         ctx->primtype_mask |= (1 << i);
 370
 371         (void) mtx_init(&ctx->gmem_lock, mtx_plain);
 372
 373         /* need some sane default in case state tracker doesn't
 374          * set some state:
 375          */
 376         ctx->sample_mask = 0xffff;
 377         ctx->active_queries = true;
 378
 379         pctx = &ctx->base;
 380         pctx->screen = pscreen;
 381         pctx->priv = priv;
 382         pctx->flush = fd_context_flush;
 383         pctx->emit_string_marker = fd_emit_string_marker;
 384         pctx->set_debug_callback = fd_set_debug_callback;
 385         pctx->get_device_reset_status = fd_get_device_reset_status;
 386         pctx->create_fence_fd = fd_create_fence_fd;
 387         pctx->fence_server_sync = fd_fence_server_sync;
 388         pctx->texture_barrier = fd_texture_barrier;
 389         pctx->memory_barrier = fd_memory_barrier;
 390
 391         pctx->stream_uploader = u_upload_create_default(pctx);
 392         if (!pctx->stream_uploader)
 393                 goto fail;
 394         pctx->const_uploader = pctx->stream_uploader;
 395
 396         slab_create_child(&ctx->transfer_pool, &screen->transfer_pool);
 397
 398         fd_draw_init(pctx);
 399         fd_resource_context_init(pctx);
 400         fd_query_context_init(pctx);
 401         fd_texture_init(pctx);
 402         fd_state_init(pctx);
 403
 404         ctx->blitter = util_blitter_create(pctx);
 405         if (!ctx->blitter)
 406                 goto fail;
 407
 408         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 409         if (!ctx->primconvert)
 410                 goto fail;
 411
 412         list_inithead(&ctx->hw_active_queries);
 413         list_inithead(&ctx->acc_active_queries);
 414         list_inithead(&ctx->log_chunks);
 415
 416         if ((fd_mesa_debug & FD_DBG_LOG) &&
 417                         !(ctx->record_timestamp && ctx->ts_to_ns)) {
 418                 printf("logging not supported!\n");
 419                 fd_mesa_debug &= ~FD_DBG_LOG;
 420         }
 421
 422         return pctx;
 423
 424 fail:
 425         pctx->destroy(pctx);
 426         return NULL;
 427 }