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);
  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         fd_batch_reference(&ctx->batch, NULL);  /* unref current batch */
 107         fd_bc_invalidate_context(ctx);
 108
 109         fd_prog_fini(pctx);
 110         fd_hw_query_fini(pctx);
 111
 112         if (ctx->blitter)
 113                 util_blitter_destroy(ctx->blitter);
 114
 115         if (ctx->primconvert)
 116                 util_primconvert_destroy(ctx->primconvert);
 117
 118         util_slab_destroy(&ctx->transfer_pool);
 119
 120         for (i = 0; i < ARRAY_SIZE(ctx->pipe); i++) {
 121                 struct fd_vsc_pipe *pipe = &ctx->pipe[i];
 122                 if (!pipe->bo)
 123                         break;
 124                 fd_bo_del(pipe->bo);
 125         }
 126
 127         fd_device_del(ctx->dev);
 128
 129         if (fd_mesa_debug & (FD_DBG_BSTAT | FD_DBG_MSGS)) {
 130                 printf("batch_total=%u, batch_sysmem=%u, batch_gmem=%u, batch_restore=%u\n",
 131                         (uint32_t)ctx->stats.batch_total, (uint32_t)ctx->stats.batch_sysmem,
 132                         (uint32_t)ctx->stats.batch_gmem, (uint32_t)ctx->stats.batch_restore);
 133         }
 134
 135         FREE(ctx);
 136 }
 137
 138 static void
 139 fd_set_debug_callback(struct pipe_context *pctx,
 140                 const struct pipe_debug_callback *cb)
 141 {
 142         struct fd_context *ctx = fd_context(pctx);
 143
 144         if (cb)
 145                 ctx->debug = *cb;
 146         else
 147                 memset(&ctx->debug, 0, sizeof(ctx->debug));
 148 }
 149
 150 struct pipe_context *
 151 fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
 152                 const uint8_t *primtypes, void *priv)
 153 {
 154         struct fd_screen *screen = fd_screen(pscreen);
 155         struct pipe_context *pctx;
 156         int i;
 157
 158         ctx->screen = screen;
 159
 160         ctx->primtypes = primtypes;
 161         ctx->primtype_mask = 0;
 162         for (i = 0; i < PIPE_PRIM_MAX; i++)
 163                 if (primtypes[i])
 164                         ctx->primtype_mask |= (1 << i);
 165
 166         /* need some sane default in case state tracker doesn't
 167          * set some state:
 168          */
 169         ctx->sample_mask = 0xffff;
 170
 171         pctx = &ctx->base;
 172         pctx->screen = pscreen;
 173         pctx->priv = priv;
 174         pctx->flush = fd_context_flush;
 175         pctx->emit_string_marker = fd_emit_string_marker;
 176         pctx->set_debug_callback = fd_set_debug_callback;
 177
 178         /* TODO what about compute?  Ideally it creates it's own independent
 179          * batches per compute job (since it isn't using tiling, so no point
 180          * in getting involved with the re-ordering madness)..
 181          */
 182         if (!screen->reorder)
 183                 ctx->batch = fd_bc_alloc_batch(&screen->batch_cache, ctx);
 184
 185         fd_reset_wfi(ctx);
 186
 187         util_slab_create(&ctx->transfer_pool, sizeof(struct fd_transfer),
 188                         16, UTIL_SLAB_SINGLETHREADED);
 189
 190         fd_draw_init(pctx);
 191         fd_resource_context_init(pctx);
 192         fd_query_context_init(pctx);
 193         fd_texture_init(pctx);
 194         fd_state_init(pctx);
 195         fd_hw_query_init(pctx);
 196
 197         ctx->blitter = util_blitter_create(pctx);
 198         if (!ctx->blitter)
 199                 goto fail;
 200
 201         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 202         if (!ctx->primconvert)
 203                 goto fail;
 204
 205         return pctx;
 206
 207 fail:
 208         pctx->destroy(pctx);
 209         return NULL;
 210 }