src/gallium/drivers/freedreno/freedreno_context.c

   1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
   2
   3 /*
   4  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Authors:
  26  *    Rob Clark <robclark@freedesktop.org>
  27  */
  28
  29 #include "freedreno_context.h"
  30 #include "freedreno_draw.h"
  31 #include "freedreno_fence.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
  49         /* Take a ref to the batch's fence (batch can be unref'd when flushed: */
  50         fd_fence_ref(pctx->screen, &fence, ctx->batch->fence);
  51
  52         if (flags & PIPE_FLUSH_FENCE_FD)
  53                 ctx->batch->needs_out_fence_fd = true;
  54
  55         if (!ctx->screen->reorder) {
  56                 fd_batch_flush(ctx->batch, true, false);
  57         } else {
  58                 fd_bc_flush(&ctx->screen->batch_cache, ctx);
  59         }
  60
  61         if (fencep)
  62                 fd_fence_ref(pctx->screen, fencep, fence);
  63
  64         fd_fence_ref(pctx->screen, &fence, NULL);
  65 }
  66
  67 static void
  68 fd_texture_barrier(struct pipe_context *pctx, unsigned flags)
  69 {
  70         /* On devices that could sample from GMEM we could possibly do better.
  71          * Or if we knew that we were doing GMEM bypass we could just emit a
  72          * cache flush, perhaps?  But we don't know if future draws would cause
  73          * us to use GMEM, and a flush in bypass isn't the end of the world.
  74          */
  75         fd_context_flush(pctx, NULL, 0);
  76 }
  77
  78 /**
  79  * emit marker string as payload of a no-op packet, which can be
  80  * decoded by cffdump.
  81  */
  82 static void
  83 fd_emit_string_marker(struct pipe_context *pctx, const char *string, int len)
  84 {
  85         struct fd_context *ctx = fd_context(pctx);
  86         struct fd_ringbuffer *ring;
  87         const uint32_t *buf = (const void *)string;
  88
  89         if (!ctx->batch)
  90                 return;
  91
  92         ring = ctx->batch->draw;
  93
  94         /* max packet size is 0x3fff dwords: */
  95         len = MIN2(len, 0x3fff * 4);
  96
  97         if (ctx->screen->gpu_id >= 500)
  98                 OUT_PKT7(ring, CP_NOP, align(len, 4) / 4);
  99         else
 100                 OUT_PKT3(ring, CP_NOP, align(len, 4) / 4);
 101         while (len >= 4) {
 102                 OUT_RING(ring, *buf);
 103                 buf++;
 104                 len -= 4;
 105         }
 106
 107         /* copy remainder bytes without reading past end of input string: */
 108         if (len > 0) {
 109                 uint32_t w = 0;
 110                 memcpy(&w, buf, len);
 111                 OUT_RING(ring, w);
 112         }
 113 }
 114
 115 void
 116 fd_context_destroy(struct pipe_context *pctx)
 117 {
 118         struct fd_context *ctx = fd_context(pctx);
 119         unsigned i;
 120
 121         DBG("");
 122
 123         if (ctx->screen->reorder && util_queue_is_initialized(&ctx->flush_queue))
 124                 util_queue_destroy(&ctx->flush_queue);
 125
 126         fd_batch_reference(&ctx->batch, NULL);  /* unref current batch */
 127         fd_bc_invalidate_context(ctx);
 128
 129         fd_prog_fini(pctx);
 130
 131         if (ctx->blitter)
 132                 util_blitter_destroy(ctx->blitter);
 133
 134         if (pctx->stream_uploader)
 135                 u_upload_destroy(pctx->stream_uploader);
 136
 137         if (ctx->clear_rs_state)
 138                 pctx->delete_rasterizer_state(pctx, ctx->clear_rs_state);
 139
 140         if (ctx->primconvert)
 141                 util_primconvert_destroy(ctx->primconvert);
 142
 143         slab_destroy_child(&ctx->transfer_pool);
 144
 145         for (i = 0; i < ARRAY_SIZE(ctx->vsc_pipe); i++) {
 146                 struct fd_vsc_pipe *pipe = &ctx->vsc_pipe[i];
 147                 if (!pipe->bo)
 148                         break;
 149                 fd_bo_del(pipe->bo);
 150         }
 151
 152         fd_device_del(ctx->dev);
 153         fd_pipe_del(ctx->pipe);
 154
 155         if (fd_mesa_debug & (FD_DBG_BSTAT | FD_DBG_MSGS)) {
 156                 printf("batch_total=%u, batch_sysmem=%u, batch_gmem=%u, batch_restore=%u\n",
 157                         (uint32_t)ctx->stats.batch_total, (uint32_t)ctx->stats.batch_sysmem,
 158                         (uint32_t)ctx->stats.batch_gmem, (uint32_t)ctx->stats.batch_restore);
 159         }
 160
 161         FREE(ctx);
 162 }
 163
 164 static void
 165 fd_set_debug_callback(struct pipe_context *pctx,
 166                 const struct pipe_debug_callback *cb)
 167 {
 168         struct fd_context *ctx = fd_context(pctx);
 169
 170         if (cb)
 171                 ctx->debug = *cb;
 172         else
 173                 memset(&ctx->debug, 0, sizeof(ctx->debug));
 174 }
 175
 176 /* TODO we could combine a few of these small buffers (solid_vbuf,
 177  * blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
 178  * save a tiny bit of memory
 179  */
 180
 181 static struct pipe_resource *
 182 create_solid_vertexbuf(struct pipe_context *pctx)
 183 {
 184         static const float init_shader_const[] = {
 185                         -1.000000, +1.000000, +1.000000,
 186                         +1.000000, -1.000000, +1.000000,
 187         };
 188         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 189                         PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
 190         pipe_buffer_write(pctx, prsc, 0,
 191                         sizeof(init_shader_const), init_shader_const);
 192         return prsc;
 193 }
 194
 195 static struct pipe_resource *
 196 create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
 197 {
 198         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 199                         PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
 200         return prsc;
 201 }
 202
 203 void
 204 fd_context_setup_common_vbos(struct fd_context *ctx)
 205 {
 206         struct pipe_context *pctx = &ctx->base;
 207
 208         ctx->solid_vbuf = create_solid_vertexbuf(pctx);
 209         ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
 210
 211         /* setup solid_vbuf_state: */
 212         ctx->solid_vbuf_state.vtx = pctx->create_vertex_elements_state(
 213                         pctx, 1, (struct pipe_vertex_element[]){{
 214                                 .vertex_buffer_index = 0,
 215                                 .src_offset = 0,
 216                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 217                         }});
 218         ctx->solid_vbuf_state.vertexbuf.count = 1;
 219         ctx->solid_vbuf_state.vertexbuf.vb[0].stride = 12;
 220         ctx->solid_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->solid_vbuf;
 221
 222         /* setup blit_vbuf_state: */
 223         ctx->blit_vbuf_state.vtx = pctx->create_vertex_elements_state(
 224                         pctx, 2, (struct pipe_vertex_element[]){{
 225                                 .vertex_buffer_index = 0,
 226                                 .src_offset = 0,
 227                                 .src_format = PIPE_FORMAT_R32G32_FLOAT,
 228                         }, {
 229                                 .vertex_buffer_index = 1,
 230                                 .src_offset = 0,
 231                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 232                         }});
 233         ctx->blit_vbuf_state.vertexbuf.count = 2;
 234         ctx->blit_vbuf_state.vertexbuf.vb[0].stride = 8;
 235         ctx->blit_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->blit_texcoord_vbuf;
 236         ctx->blit_vbuf_state.vertexbuf.vb[1].stride = 12;
 237         ctx->blit_vbuf_state.vertexbuf.vb[1].buffer.resource = ctx->solid_vbuf;
 238 }
 239
 240 void
 241 fd_context_cleanup_common_vbos(struct fd_context *ctx)
 242 {
 243         struct pipe_context *pctx = &ctx->base;
 244
 245         pctx->delete_vertex_elements_state(pctx, ctx->solid_vbuf_state.vtx);
 246         pctx->delete_vertex_elements_state(pctx, ctx->blit_vbuf_state.vtx);
 247
 248         pipe_resource_reference(&ctx->solid_vbuf, NULL);
 249         pipe_resource_reference(&ctx->blit_texcoord_vbuf, NULL);
 250 }
 251
 252 struct pipe_context *
 253 fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
 254                 const uint8_t *primtypes, void *priv, unsigned flags)
 255 {
 256         struct fd_screen *screen = fd_screen(pscreen);
 257         struct pipe_context *pctx;
 258         int i;
 259
 260         ctx->screen = screen;
 261         ctx->pipe = fd_pipe_new(screen->dev, FD_PIPE_3D);
 262
 263         ctx->primtypes = primtypes;
 264         ctx->primtype_mask = 0;
 265         for (i = 0; i < PIPE_PRIM_MAX; i++)
 266                 if (primtypes[i])
 267                         ctx->primtype_mask |= (1 << i);
 268
 269         /* need some sane default in case state tracker doesn't
 270          * set some state:
 271          */
 272         ctx->sample_mask = 0xffff;
 273
 274         pctx = &ctx->base;
 275         pctx->screen = pscreen;
 276         pctx->priv = priv;
 277         pctx->flush = fd_context_flush;
 278         pctx->emit_string_marker = fd_emit_string_marker;
 279         pctx->set_debug_callback = fd_set_debug_callback;
 280         pctx->create_fence_fd = fd_create_fence_fd;
 281         pctx->fence_server_sync = fd_fence_server_sync;
 282         pctx->texture_barrier = fd_texture_barrier;
 283
 284         pctx->stream_uploader = u_upload_create_default(pctx);
 285         if (!pctx->stream_uploader)
 286                 goto fail;
 287         pctx->const_uploader = pctx->stream_uploader;
 288
 289         ctx->batch = fd_bc_alloc_batch(&screen->batch_cache, ctx);
 290
 291         slab_create_child(&ctx->transfer_pool, &screen->transfer_pool);
 292
 293         fd_draw_init(pctx);
 294         fd_resource_context_init(pctx);
 295         fd_query_context_init(pctx);
 296         fd_texture_init(pctx);
 297         fd_state_init(pctx);
 298
 299         ctx->blitter = util_blitter_create(pctx);
 300         if (!ctx->blitter)
 301                 goto fail;
 302
 303         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 304         if (!ctx->primconvert)
 305                 goto fail;
 306
 307         list_inithead(&ctx->hw_active_queries);
 308         list_inithead(&ctx->acc_active_queries);
 309
 310         return pctx;
 311
 312 fail:
 313         pctx->destroy(pctx);
 314         return NULL;
 315 }