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