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 if (flags & PIPE_FLUSH_DEFERRED) {
  58                 fd_bc_flush_deferred(&ctx->screen->batch_cache, ctx);
  59         } else {
  60                 fd_bc_flush(&ctx->screen->batch_cache, ctx);
  61         }
  62
  63         if (fencep)
  64                 fd_fence_ref(pctx->screen, fencep, fence);
  65
  66         fd_fence_ref(pctx->screen, &fence, NULL);
  67 }
  68
  69 static void
  70 fd_texture_barrier(struct pipe_context *pctx, unsigned flags)
  71 {
  72         /* On devices that could sample from GMEM we could possibly do better.
  73          * Or if we knew that we were doing GMEM bypass we could just emit a
  74          * cache flush, perhaps?  But we don't know if future draws would cause
  75          * us to use GMEM, and a flush in bypass isn't the end of the world.
  76          */
  77         fd_context_flush(pctx, NULL, 0);
  78 }
  79
  80 /**
  81  * emit marker string as payload of a no-op packet, which can be
  82  * decoded by cffdump.
  83  */
  84 static void
  85 fd_emit_string_marker(struct pipe_context *pctx, const char *string, int len)
  86 {
  87         struct fd_context *ctx = fd_context(pctx);
  88         struct fd_ringbuffer *ring;
  89         const uint32_t *buf = (const void *)string;
  90
  91         if (!ctx->batch)
  92                 return;
  93
  94         ring = ctx->batch->draw;
  95
  96         /* max packet size is 0x3fff dwords: */
  97         len = MIN2(len, 0x3fff * 4);
  98
  99         if (ctx->screen->gpu_id >= 500)
 100                 OUT_PKT7(ring, CP_NOP, align(len, 4) / 4);
 101         else
 102                 OUT_PKT3(ring, CP_NOP, align(len, 4) / 4);
 103         while (len >= 4) {
 104                 OUT_RING(ring, *buf);
 105                 buf++;
 106                 len -= 4;
 107         }
 108
 109         /* copy remainder bytes without reading past end of input string: */
 110         if (len > 0) {
 111                 uint32_t w = 0;
 112                 memcpy(&w, buf, len);
 113                 OUT_RING(ring, w);
 114         }
 115 }
 116
 117 void
 118 fd_context_destroy(struct pipe_context *pctx)
 119 {
 120         struct fd_context *ctx = fd_context(pctx);
 121         unsigned i;
 122
 123         DBG("");
 124
 125         if (ctx->screen->reorder && util_queue_is_initialized(&ctx->flush_queue))
 126                 util_queue_destroy(&ctx->flush_queue);
 127
 128         fd_batch_reference(&ctx->batch, NULL);  /* unref current batch */
 129         fd_bc_invalidate_context(ctx);
 130
 131         fd_prog_fini(pctx);
 132
 133         if (ctx->blitter)
 134                 util_blitter_destroy(ctx->blitter);
 135
 136         if (pctx->stream_uploader)
 137                 u_upload_destroy(pctx->stream_uploader);
 138
 139         if (ctx->clear_rs_state)
 140                 pctx->delete_rasterizer_state(pctx, ctx->clear_rs_state);
 141
 142         if (ctx->primconvert)
 143                 util_primconvert_destroy(ctx->primconvert);
 144
 145         slab_destroy_child(&ctx->transfer_pool);
 146
 147         for (i = 0; i < ARRAY_SIZE(ctx->vsc_pipe); i++) {
 148                 struct fd_vsc_pipe *pipe = &ctx->vsc_pipe[i];
 149                 if (!pipe->bo)
 150                         break;
 151                 fd_bo_del(pipe->bo);
 152         }
 153
 154         fd_device_del(ctx->dev);
 155         fd_pipe_del(ctx->pipe);
 156
 157         if (fd_mesa_debug & (FD_DBG_BSTAT | FD_DBG_MSGS)) {
 158                 printf("batch_total=%u, batch_sysmem=%u, batch_gmem=%u, batch_restore=%u\n",
 159                         (uint32_t)ctx->stats.batch_total, (uint32_t)ctx->stats.batch_sysmem,
 160                         (uint32_t)ctx->stats.batch_gmem, (uint32_t)ctx->stats.batch_restore);
 161         }
 162
 163         FREE(ctx);
 164 }
 165
 166 static void
 167 fd_set_debug_callback(struct pipe_context *pctx,
 168                 const struct pipe_debug_callback *cb)
 169 {
 170         struct fd_context *ctx = fd_context(pctx);
 171
 172         if (cb)
 173                 ctx->debug = *cb;
 174         else
 175                 memset(&ctx->debug, 0, sizeof(ctx->debug));
 176 }
 177
 178 /* TODO we could combine a few of these small buffers (solid_vbuf,
 179  * blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
 180  * save a tiny bit of memory
 181  */
 182
 183 static struct pipe_resource *
 184 create_solid_vertexbuf(struct pipe_context *pctx)
 185 {
 186         static const float init_shader_const[] = {
 187                         -1.000000, +1.000000, +1.000000,
 188                         +1.000000, -1.000000, +1.000000,
 189         };
 190         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 191                         PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
 192         pipe_buffer_write(pctx, prsc, 0,
 193                         sizeof(init_shader_const), init_shader_const);
 194         return prsc;
 195 }
 196
 197 static struct pipe_resource *
 198 create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
 199 {
 200         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 201                         PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
 202         return prsc;
 203 }
 204
 205 void
 206 fd_context_setup_common_vbos(struct fd_context *ctx)
 207 {
 208         struct pipe_context *pctx = &ctx->base;
 209
 210         ctx->solid_vbuf = create_solid_vertexbuf(pctx);
 211         ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
 212
 213         /* setup solid_vbuf_state: */
 214         ctx->solid_vbuf_state.vtx = pctx->create_vertex_elements_state(
 215                         pctx, 1, (struct pipe_vertex_element[]){{
 216                                 .vertex_buffer_index = 0,
 217                                 .src_offset = 0,
 218                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 219                         }});
 220         ctx->solid_vbuf_state.vertexbuf.count = 1;
 221         ctx->solid_vbuf_state.vertexbuf.vb[0].stride = 12;
 222         ctx->solid_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->solid_vbuf;
 223
 224         /* setup blit_vbuf_state: */
 225         ctx->blit_vbuf_state.vtx = pctx->create_vertex_elements_state(
 226                         pctx, 2, (struct pipe_vertex_element[]){{
 227                                 .vertex_buffer_index = 0,
 228                                 .src_offset = 0,
 229                                 .src_format = PIPE_FORMAT_R32G32_FLOAT,
 230                         }, {
 231                                 .vertex_buffer_index = 1,
 232                                 .src_offset = 0,
 233                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 234                         }});
 235         ctx->blit_vbuf_state.vertexbuf.count = 2;
 236         ctx->blit_vbuf_state.vertexbuf.vb[0].stride = 8;
 237         ctx->blit_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->blit_texcoord_vbuf;
 238         ctx->blit_vbuf_state.vertexbuf.vb[1].stride = 12;
 239         ctx->blit_vbuf_state.vertexbuf.vb[1].buffer.resource = ctx->solid_vbuf;
 240 }
 241
 242 void
 243 fd_context_cleanup_common_vbos(struct fd_context *ctx)
 244 {
 245         struct pipe_context *pctx = &ctx->base;
 246
 247         pctx->delete_vertex_elements_state(pctx, ctx->solid_vbuf_state.vtx);
 248         pctx->delete_vertex_elements_state(pctx, ctx->blit_vbuf_state.vtx);
 249
 250         pipe_resource_reference(&ctx->solid_vbuf, NULL);
 251         pipe_resource_reference(&ctx->blit_texcoord_vbuf, NULL);
 252 }
 253
 254 struct pipe_context *
 255 fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
 256                 const uint8_t *primtypes, void *priv, unsigned flags)
 257 {
 258         struct fd_screen *screen = fd_screen(pscreen);
 259         struct pipe_context *pctx;
 260         int i;
 261
 262         ctx->screen = screen;
 263         ctx->pipe = fd_pipe_new(screen->dev, FD_PIPE_3D);
 264
 265         ctx->primtypes = primtypes;
 266         ctx->primtype_mask = 0;
 267         for (i = 0; i < PIPE_PRIM_MAX; i++)
 268                 if (primtypes[i])
 269                         ctx->primtype_mask |= (1 << i);
 270
 271         /* need some sane default in case state tracker doesn't
 272          * set some state:
 273          */
 274         ctx->sample_mask = 0xffff;
 275
 276         pctx = &ctx->base;
 277         pctx->screen = pscreen;
 278         pctx->priv = priv;
 279         pctx->flush = fd_context_flush;
 280         pctx->emit_string_marker = fd_emit_string_marker;
 281         pctx->set_debug_callback = fd_set_debug_callback;
 282         pctx->create_fence_fd = fd_create_fence_fd;
 283         pctx->fence_server_sync = fd_fence_server_sync;
 284         pctx->texture_barrier = fd_texture_barrier;
 285
 286         pctx->stream_uploader = u_upload_create_default(pctx);
 287         if (!pctx->stream_uploader)
 288                 goto fail;
 289         pctx->const_uploader = pctx->stream_uploader;
 290
 291         ctx->batch = fd_bc_alloc_batch(&screen->batch_cache, ctx);
 292
 293         slab_create_child(&ctx->transfer_pool, &screen->transfer_pool);
 294
 295         fd_draw_init(pctx);
 296         fd_resource_context_init(pctx);
 297         fd_query_context_init(pctx);
 298         fd_texture_init(pctx);
 299         fd_state_init(pctx);
 300
 301         ctx->blitter = util_blitter_create(pctx);
 302         if (!ctx->blitter)
 303                 goto fail;
 304
 305         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 306         if (!ctx->primconvert)
 307                 goto fail;
 308
 309         list_inithead(&ctx->hw_active_queries);
 310         list_inithead(&ctx->acc_active_queries);
 311
 312         return pctx;
 313
 314 fail:
 315         pctx->destroy(pctx);
 316         return NULL;
 317 }