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 **fence,
  44                 unsigned flags)
  45 {
  46         struct fd_context *ctx = fd_context(pctx);
  47
  48         if (flags & PIPE_FLUSH_FENCE_FD)
  49                 ctx->batch->needs_out_fence_fd = true;
  50
  51         if (!ctx->screen->reorder) {
  52                 fd_batch_flush(ctx->batch, true);
  53         } else {
  54                 fd_bc_flush(&ctx->screen->batch_cache, ctx);
  55         }
  56
  57         if (fence) {
  58                 /* if there hasn't been any rendering submitted yet, we might not
  59                  * have actually created a fence
  60                  */
  61                 if (!ctx->last_fence || ctx->batch->needs_out_fence_fd) {
  62                         ctx->batch->needs_flush = true;
  63                         fd_gmem_render_noop(ctx->batch);
  64                         fd_batch_reset(ctx->batch);
  65                 }
  66                 fd_fence_ref(pctx->screen, fence, ctx->last_fence);
  67         }
  68 }
  69
  70 /**
  71  * emit marker string as payload of a no-op packet, which can be
  72  * decoded by cffdump.
  73  */
  74 static void
  75 fd_emit_string_marker(struct pipe_context *pctx, const char *string, int len)
  76 {
  77         struct fd_context *ctx = fd_context(pctx);
  78         struct fd_ringbuffer *ring;
  79         const uint32_t *buf = (const void *)string;
  80
  81         if (!ctx->batch)
  82                 return;
  83
  84         ring = ctx->batch->draw;
  85
  86         /* max packet size is 0x3fff dwords: */
  87         len = MIN2(len, 0x3fff * 4);
  88
  89         if (ctx->screen->gpu_id >= 500)
  90                 OUT_PKT7(ring, CP_NOP, align(len, 4) / 4);
  91         else
  92                 OUT_PKT3(ring, CP_NOP, align(len, 4) / 4);
  93         while (len >= 4) {
  94                 OUT_RING(ring, *buf);
  95                 buf++;
  96                 len -= 4;
  97         }
  98
  99         /* copy remainder bytes without reading past end of input string: */
 100         if (len > 0) {
 101                 uint32_t w = 0;
 102                 memcpy(&w, buf, len);
 103                 OUT_RING(ring, w);
 104         }
 105 }
 106
 107 void
 108 fd_context_destroy(struct pipe_context *pctx)
 109 {
 110         struct fd_context *ctx = fd_context(pctx);
 111         unsigned i;
 112
 113         DBG("");
 114
 115         if (ctx->screen->reorder && util_queue_is_initialized(&ctx->flush_queue))
 116                 util_queue_destroy(&ctx->flush_queue);
 117
 118         fd_batch_reference(&ctx->batch, NULL);  /* unref current batch */
 119         fd_bc_invalidate_context(ctx);
 120
 121         fd_fence_ref(pctx->screen, &ctx->last_fence, NULL);
 122
 123         fd_prog_fini(pctx);
 124
 125         if (ctx->blitter)
 126                 util_blitter_destroy(ctx->blitter);
 127
 128         if (pctx->stream_uploader)
 129                 u_upload_destroy(pctx->stream_uploader);
 130
 131         if (ctx->clear_rs_state)
 132                 pctx->delete_rasterizer_state(pctx, ctx->clear_rs_state);
 133
 134         if (ctx->primconvert)
 135                 util_primconvert_destroy(ctx->primconvert);
 136
 137         slab_destroy_child(&ctx->transfer_pool);
 138
 139         for (i = 0; i < ARRAY_SIZE(ctx->pipe); i++) {
 140                 struct fd_vsc_pipe *pipe = &ctx->pipe[i];
 141                 if (!pipe->bo)
 142                         break;
 143                 fd_bo_del(pipe->bo);
 144         }
 145
 146         fd_device_del(ctx->dev);
 147
 148         if (fd_mesa_debug & (FD_DBG_BSTAT | FD_DBG_MSGS)) {
 149                 printf("batch_total=%u, batch_sysmem=%u, batch_gmem=%u, batch_restore=%u\n",
 150                         (uint32_t)ctx->stats.batch_total, (uint32_t)ctx->stats.batch_sysmem,
 151                         (uint32_t)ctx->stats.batch_gmem, (uint32_t)ctx->stats.batch_restore);
 152         }
 153
 154         FREE(ctx);
 155 }
 156
 157 static void
 158 fd_set_debug_callback(struct pipe_context *pctx,
 159                 const struct pipe_debug_callback *cb)
 160 {
 161         struct fd_context *ctx = fd_context(pctx);
 162
 163         if (cb)
 164                 ctx->debug = *cb;
 165         else
 166                 memset(&ctx->debug, 0, sizeof(ctx->debug));
 167 }
 168
 169 /* TODO we could combine a few of these small buffers (solid_vbuf,
 170  * blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
 171  * save a tiny bit of memory
 172  */
 173
 174 static struct pipe_resource *
 175 create_solid_vertexbuf(struct pipe_context *pctx)
 176 {
 177         static const float init_shader_const[] = {
 178                         -1.000000, +1.000000, +1.000000,
 179                         +1.000000, -1.000000, +1.000000,
 180         };
 181         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 182                         PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
 183         pipe_buffer_write(pctx, prsc, 0,
 184                         sizeof(init_shader_const), init_shader_const);
 185         return prsc;
 186 }
 187
 188 static struct pipe_resource *
 189 create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
 190 {
 191         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 192                         PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
 193         return prsc;
 194 }
 195
 196 void
 197 fd_context_setup_common_vbos(struct fd_context *ctx)
 198 {
 199         struct pipe_context *pctx = &ctx->base;
 200
 201         ctx->solid_vbuf = create_solid_vertexbuf(pctx);
 202         ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
 203
 204         /* setup solid_vbuf_state: */
 205         ctx->solid_vbuf_state.vtx = pctx->create_vertex_elements_state(
 206                         pctx, 1, (struct pipe_vertex_element[]){{
 207                                 .vertex_buffer_index = 0,
 208                                 .src_offset = 0,
 209                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 210                         }});
 211         ctx->solid_vbuf_state.vertexbuf.count = 1;
 212         ctx->solid_vbuf_state.vertexbuf.vb[0].stride = 12;
 213         ctx->solid_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->solid_vbuf;
 214
 215         /* setup blit_vbuf_state: */
 216         ctx->blit_vbuf_state.vtx = pctx->create_vertex_elements_state(
 217                         pctx, 2, (struct pipe_vertex_element[]){{
 218                                 .vertex_buffer_index = 0,
 219                                 .src_offset = 0,
 220                                 .src_format = PIPE_FORMAT_R32G32_FLOAT,
 221                         }, {
 222                                 .vertex_buffer_index = 1,
 223                                 .src_offset = 0,
 224                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 225                         }});
 226         ctx->blit_vbuf_state.vertexbuf.count = 2;
 227         ctx->blit_vbuf_state.vertexbuf.vb[0].stride = 8;
 228         ctx->blit_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->blit_texcoord_vbuf;
 229         ctx->blit_vbuf_state.vertexbuf.vb[1].stride = 12;
 230         ctx->blit_vbuf_state.vertexbuf.vb[1].buffer.resource = ctx->solid_vbuf;
 231 }
 232
 233 void
 234 fd_context_cleanup_common_vbos(struct fd_context *ctx)
 235 {
 236         struct pipe_context *pctx = &ctx->base;
 237
 238         pctx->delete_vertex_elements_state(pctx, ctx->solid_vbuf_state.vtx);
 239         pctx->delete_vertex_elements_state(pctx, ctx->blit_vbuf_state.vtx);
 240
 241         pipe_resource_reference(&ctx->solid_vbuf, NULL);
 242         pipe_resource_reference(&ctx->blit_texcoord_vbuf, NULL);
 243 }
 244
 245 struct pipe_context *
 246 fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
 247                 const uint8_t *primtypes, void *priv)
 248 {
 249         struct fd_screen *screen = fd_screen(pscreen);
 250         struct pipe_context *pctx;
 251         int i;
 252
 253         ctx->screen = screen;
 254
 255         ctx->primtypes = primtypes;
 256         ctx->primtype_mask = 0;
 257         for (i = 0; i < PIPE_PRIM_MAX; i++)
 258                 if (primtypes[i])
 259                         ctx->primtype_mask |= (1 << i);
 260
 261         /* need some sane default in case state tracker doesn't
 262          * set some state:
 263          */
 264         ctx->sample_mask = 0xffff;
 265
 266         pctx = &ctx->base;
 267         pctx->screen = pscreen;
 268         pctx->priv = priv;
 269         pctx->flush = fd_context_flush;
 270         pctx->emit_string_marker = fd_emit_string_marker;
 271         pctx->set_debug_callback = fd_set_debug_callback;
 272         pctx->create_fence_fd = fd_create_fence_fd;
 273         pctx->fence_server_sync = fd_fence_server_sync;
 274
 275         pctx->stream_uploader = u_upload_create_default(pctx);
 276         if (!pctx->stream_uploader)
 277                 goto fail;
 278         pctx->const_uploader = pctx->stream_uploader;
 279
 280         /* TODO what about compute?  Ideally it creates it's own independent
 281          * batches per compute job (since it isn't using tiling, so no point
 282          * in getting involved with the re-ordering madness)..
 283          */
 284         if (!screen->reorder) {
 285                 ctx->batch = fd_bc_alloc_batch(&screen->batch_cache, ctx);
 286         }
 287
 288         slab_create_child(&ctx->transfer_pool, &screen->transfer_pool);
 289
 290         fd_draw_init(pctx);
 291         fd_resource_context_init(pctx);
 292         fd_query_context_init(pctx);
 293         fd_texture_init(pctx);
 294         fd_state_init(pctx);
 295
 296         ctx->blitter = util_blitter_create(pctx);
 297         if (!ctx->blitter)
 298                 goto fail;
 299
 300         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 301         if (!ctx->primconvert)
 302                 goto fail;
 303
 304         list_inithead(&ctx->hw_active_queries);
 305         list_inithead(&ctx->acc_active_queries);
 306
 307         return pctx;
 308
 309 fail:
 310         pctx->destroy(pctx);
 311         return NULL;
 312 }