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 (!ctx->batch) {
  49                 if (fence)
  50                         *fence = NULL;
  51                 return;
  52         }
  53
  54         if (flags & PIPE_FLUSH_FENCE_FD)
  55                 ctx->batch->needs_out_fence_fd = true;
  56
  57         if (!ctx->screen->reorder) {
  58                 fd_batch_flush(ctx->batch, true);
  59         } else {
  60                 fd_bc_flush(&ctx->screen->batch_cache, ctx);
  61         }
  62
  63         if (fence) {
  64                 /* if there hasn't been any rendering submitted yet, we might not
  65                  * have actually created a fence
  66                  */
  67                 if (!ctx->last_fence || ctx->batch->needs_out_fence_fd) {
  68                         ctx->batch->needs_flush = true;
  69                         fd_gmem_render_noop(ctx->batch);
  70                         fd_batch_reset(ctx->batch);
  71                 }
  72                 fd_fence_ref(pctx->screen, fence, ctx->last_fence);
  73         }
  74 }
  75
  76 /**
  77  * emit marker string as payload of a no-op packet, which can be
  78  * decoded by cffdump.
  79  */
  80 static void
  81 fd_emit_string_marker(struct pipe_context *pctx, const char *string, int len)
  82 {
  83         struct fd_context *ctx = fd_context(pctx);
  84         struct fd_ringbuffer *ring;
  85         const uint32_t *buf = (const void *)string;
  86
  87         if (!ctx->batch)
  88                 return;
  89
  90         ring = ctx->batch->draw;
  91
  92         /* max packet size is 0x3fff dwords: */
  93         len = MIN2(len, 0x3fff * 4);
  94
  95         if (ctx->screen->gpu_id >= 500)
  96                 OUT_PKT7(ring, CP_NOP, align(len, 4) / 4);
  97         else
  98                 OUT_PKT3(ring, CP_NOP, align(len, 4) / 4);
  99         while (len >= 4) {
 100                 OUT_RING(ring, *buf);
 101                 buf++;
 102                 len -= 4;
 103         }
 104
 105         /* copy remainder bytes without reading past end of input string: */
 106         if (len > 0) {
 107                 uint32_t w = 0;
 108                 memcpy(&w, buf, len);
 109                 OUT_RING(ring, w);
 110         }
 111 }
 112
 113 void
 114 fd_context_destroy(struct pipe_context *pctx)
 115 {
 116         struct fd_context *ctx = fd_context(pctx);
 117         unsigned i;
 118
 119         DBG("");
 120
 121         if (ctx->screen->reorder && util_queue_is_initialized(&ctx->flush_queue))
 122                 util_queue_destroy(&ctx->flush_queue);
 123
 124         fd_batch_reference(&ctx->batch, NULL);  /* unref current batch */
 125         fd_bc_invalidate_context(ctx);
 126
 127         fd_fence_ref(pctx->screen, &ctx->last_fence, NULL);
 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->pipe); i++) {
 146                 struct fd_vsc_pipe *pipe = &ctx->pipe[i];
 147                 if (!pipe->bo)
 148                         break;
 149                 fd_bo_del(pipe->bo);
 150         }
 151
 152         fd_device_del(ctx->dev);
 153
 154         if (fd_mesa_debug & (FD_DBG_BSTAT | FD_DBG_MSGS)) {
 155                 printf("batch_total=%u, batch_sysmem=%u, batch_gmem=%u, batch_restore=%u\n",
 156                         (uint32_t)ctx->stats.batch_total, (uint32_t)ctx->stats.batch_sysmem,
 157                         (uint32_t)ctx->stats.batch_gmem, (uint32_t)ctx->stats.batch_restore);
 158         }
 159
 160         FREE(ctx);
 161 }
 162
 163 static void
 164 fd_set_debug_callback(struct pipe_context *pctx,
 165                 const struct pipe_debug_callback *cb)
 166 {
 167         struct fd_context *ctx = fd_context(pctx);
 168
 169         if (cb)
 170                 ctx->debug = *cb;
 171         else
 172                 memset(&ctx->debug, 0, sizeof(ctx->debug));
 173 }
 174
 175 /* TODO we could combine a few of these small buffers (solid_vbuf,
 176  * blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
 177  * save a tiny bit of memory
 178  */
 179
 180 static struct pipe_resource *
 181 create_solid_vertexbuf(struct pipe_context *pctx)
 182 {
 183         static const float init_shader_const[] = {
 184                         -1.000000, +1.000000, +1.000000,
 185                         +1.000000, -1.000000, +1.000000,
 186         };
 187         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 188                         PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
 189         pipe_buffer_write(pctx, prsc, 0,
 190                         sizeof(init_shader_const), init_shader_const);
 191         return prsc;
 192 }
 193
 194 static struct pipe_resource *
 195 create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
 196 {
 197         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 198                         PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
 199         return prsc;
 200 }
 201
 202 void
 203 fd_context_setup_common_vbos(struct fd_context *ctx)
 204 {
 205         struct pipe_context *pctx = &ctx->base;
 206
 207         ctx->solid_vbuf = create_solid_vertexbuf(pctx);
 208         ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
 209
 210         /* setup solid_vbuf_state: */
 211         ctx->solid_vbuf_state.vtx = pctx->create_vertex_elements_state(
 212                         pctx, 1, (struct pipe_vertex_element[]){{
 213                                 .vertex_buffer_index = 0,
 214                                 .src_offset = 0,
 215                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 216                         }});
 217         ctx->solid_vbuf_state.vertexbuf.count = 1;
 218         ctx->solid_vbuf_state.vertexbuf.vb[0].stride = 12;
 219         ctx->solid_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->solid_vbuf;
 220
 221         /* setup blit_vbuf_state: */
 222         ctx->blit_vbuf_state.vtx = pctx->create_vertex_elements_state(
 223                         pctx, 2, (struct pipe_vertex_element[]){{
 224                                 .vertex_buffer_index = 0,
 225                                 .src_offset = 0,
 226                                 .src_format = PIPE_FORMAT_R32G32_FLOAT,
 227                         }, {
 228                                 .vertex_buffer_index = 1,
 229                                 .src_offset = 0,
 230                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 231                         }});
 232         ctx->blit_vbuf_state.vertexbuf.count = 2;
 233         ctx->blit_vbuf_state.vertexbuf.vb[0].stride = 8;
 234         ctx->blit_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->blit_texcoord_vbuf;
 235         ctx->blit_vbuf_state.vertexbuf.vb[1].stride = 12;
 236         ctx->blit_vbuf_state.vertexbuf.vb[1].buffer.resource = ctx->solid_vbuf;
 237 }
 238
 239 void
 240 fd_context_cleanup_common_vbos(struct fd_context *ctx)
 241 {
 242         struct pipe_context *pctx = &ctx->base;
 243
 244         pctx->delete_vertex_elements_state(pctx, ctx->solid_vbuf_state.vtx);
 245         pctx->delete_vertex_elements_state(pctx, ctx->blit_vbuf_state.vtx);
 246
 247         pipe_resource_reference(&ctx->solid_vbuf, NULL);
 248         pipe_resource_reference(&ctx->blit_texcoord_vbuf, NULL);
 249 }
 250
 251 struct pipe_context *
 252 fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
 253                 const uint8_t *primtypes, void *priv)
 254 {
 255         struct fd_screen *screen = fd_screen(pscreen);
 256         struct pipe_context *pctx;
 257         int i;
 258
 259         ctx->screen = screen;
 260
 261         ctx->primtypes = primtypes;
 262         ctx->primtype_mask = 0;
 263         for (i = 0; i < PIPE_PRIM_MAX; i++)
 264                 if (primtypes[i])
 265                         ctx->primtype_mask |= (1 << i);
 266
 267         /* need some sane default in case state tracker doesn't
 268          * set some state:
 269          */
 270         ctx->sample_mask = 0xffff;
 271
 272         pctx = &ctx->base;
 273         pctx->screen = pscreen;
 274         pctx->priv = priv;
 275         pctx->flush = fd_context_flush;
 276         pctx->emit_string_marker = fd_emit_string_marker;
 277         pctx->set_debug_callback = fd_set_debug_callback;
 278         pctx->create_fence_fd = fd_create_fence_fd;
 279         pctx->fence_server_sync = fd_fence_server_sync;
 280
 281         pctx->stream_uploader = u_upload_create_default(pctx);
 282         if (!pctx->stream_uploader)
 283                 goto fail;
 284         pctx->const_uploader = pctx->stream_uploader;
 285
 286         /* TODO what about compute?  Ideally it creates it's own independent
 287          * batches per compute job (since it isn't using tiling, so no point
 288          * in getting involved with the re-ordering madness)..
 289          */
 290         if (!screen->reorder) {
 291                 ctx->batch = fd_bc_alloc_batch(&screen->batch_cache, ctx);
 292         }
 293
 294         slab_create_child(&ctx->transfer_pool, &screen->transfer_pool);
 295
 296         fd_draw_init(pctx);
 297         fd_resource_context_init(pctx);
 298         fd_query_context_init(pctx);
 299         fd_texture_init(pctx);
 300         fd_state_init(pctx);
 301
 302         ctx->blitter = util_blitter_create(pctx);
 303         if (!ctx->blitter)
 304                 goto fail;
 305
 306         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 307         if (!ctx->primconvert)
 308                 goto fail;
 309
 310         list_inithead(&ctx->hw_active_queries);
 311         list_inithead(&ctx->acc_active_queries);
 312
 313         return pctx;
 314
 315 fail:
 316         pctx->destroy(pctx);
 317         return NULL;
 318 }