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 struct fd_ringbuffer *next_rb(struct fd_context *ctx)
  42 {
  43         struct fd_ringbuffer *ring;
  44         uint32_t ts;
  45
  46         /* grab next ringbuffer: */
  47         ring = ctx->rings[(ctx->rings_idx++) % ARRAY_SIZE(ctx->rings)];
  48
  49         /* wait for new rb to be idle: */
  50         ts = fd_ringbuffer_timestamp(ring);
  51         if (ts) {
  52                 DBG("wait: %u", ts);
  53                 fd_pipe_wait(ctx->screen->pipe, ts);
  54         }
  55
  56         fd_ringbuffer_reset(ring);
  57
  58         return ring;
  59 }
  60
  61 static void
  62 fd_context_next_rb(struct pipe_context *pctx)
  63 {
  64         struct fd_context *ctx = fd_context(pctx);
  65         struct fd_ringbuffer *ring;
  66
  67         fd_ringmarker_del(ctx->draw_start);
  68         fd_ringmarker_del(ctx->draw_end);
  69
  70         ring = next_rb(ctx);
  71
  72         ctx->draw_start = fd_ringmarker_new(ring);
  73         ctx->draw_end = fd_ringmarker_new(ring);
  74
  75         fd_ringbuffer_set_parent(ring, NULL);
  76         ctx->ring = ring;
  77
  78         fd_ringmarker_del(ctx->binning_start);
  79         fd_ringmarker_del(ctx->binning_end);
  80
  81         ring = next_rb(ctx);
  82
  83         ctx->binning_start = fd_ringmarker_new(ring);
  84         ctx->binning_end = fd_ringmarker_new(ring);
  85
  86         fd_ringbuffer_set_parent(ring, ctx->ring);
  87         ctx->binning_ring = ring;
  88 }
  89
  90 /* emit accumulated render cmds, needed for example if render target has
  91  * changed, or for flush()
  92  */
  93 void
  94 fd_context_render(struct pipe_context *pctx)
  95 {
  96         struct fd_context *ctx = fd_context(pctx);
  97         struct pipe_framebuffer_state *pfb = &ctx->framebuffer;
  98
  99         DBG("needs_flush: %d", ctx->needs_flush);
 100
 101         if (!ctx->needs_flush)
 102                 return;
 103
 104         fd_gmem_render_tiles(ctx);
 105
 106         DBG("%p/%p/%p", ctx->ring->start, ctx->ring->cur, ctx->ring->end);
 107
 108         /* if size in dwords is more than half the buffer size, then wait and
 109          * wrap around:
 110          */
 111         if ((ctx->ring->cur - ctx->ring->start) > ctx->ring->size/8)
 112                 fd_context_next_rb(pctx);
 113
 114         ctx->needs_flush = false;
 115         ctx->cleared = ctx->partial_cleared = ctx->restore = ctx->resolve = 0;
 116         ctx->gmem_reason = 0;
 117         ctx->num_draws = 0;
 118
 119         if (pfb->cbufs[0])
 120                 fd_resource(pfb->cbufs[0]->texture)->dirty = false;
 121         if (pfb->zsbuf)
 122                 fd_resource(pfb->zsbuf->texture)->dirty = false;
 123 }
 124
 125 static void
 126 fd_context_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
 127                 unsigned flags)
 128 {
 129         fd_context_render(pctx);
 130
 131         if (fence)
 132                 *fence = fd_fence_create(pctx);
 133 }
 134
 135 void
 136 fd_context_destroy(struct pipe_context *pctx)
 137 {
 138         struct fd_context *ctx = fd_context(pctx);
 139         unsigned i;
 140
 141         DBG("");
 142
 143         fd_prog_fini(pctx);
 144         fd_hw_query_fini(pctx);
 145
 146         util_dynarray_fini(&ctx->draw_patches);
 147
 148         if (ctx->blitter)
 149                 util_blitter_destroy(ctx->blitter);
 150
 151         if (ctx->primconvert)
 152                 util_primconvert_destroy(ctx->primconvert);
 153
 154         util_slab_destroy(&ctx->transfer_pool);
 155
 156         fd_ringmarker_del(ctx->draw_start);
 157         fd_ringmarker_del(ctx->draw_end);
 158         fd_ringmarker_del(ctx->binning_start);
 159         fd_ringmarker_del(ctx->binning_end);
 160
 161         for (i = 0; i < ARRAY_SIZE(ctx->rings); i++)
 162                 fd_ringbuffer_del(ctx->rings[i]);
 163
 164         for (i = 0; i < ARRAY_SIZE(ctx->pipe); i++) {
 165                 struct fd_vsc_pipe *pipe = &ctx->pipe[i];
 166                 if (!pipe->bo)
 167                         break;
 168                 fd_bo_del(pipe->bo);
 169         }
 170
 171         fd_device_del(ctx->dev);
 172
 173         FREE(ctx);
 174 }
 175
 176 struct pipe_context *
 177 fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
 178                 const uint8_t *primtypes, void *priv)
 179 {
 180         struct fd_screen *screen = fd_screen(pscreen);
 181         struct pipe_context *pctx;
 182         int i;
 183
 184         ctx->screen = screen;
 185
 186         ctx->primtypes = primtypes;
 187         ctx->primtype_mask = 0;
 188         for (i = 0; i < PIPE_PRIM_MAX; i++)
 189                 if (primtypes[i])
 190                         ctx->primtype_mask |= (1 << i);
 191
 192         /* need some sane default in case state tracker doesn't
 193          * set some state:
 194          */
 195         ctx->sample_mask = 0xffff;
 196
 197         pctx = &ctx->base;
 198         pctx->screen = pscreen;
 199         pctx->priv = priv;
 200         pctx->flush = fd_context_flush;
 201
 202         for (i = 0; i < ARRAY_SIZE(ctx->rings); i++) {
 203                 ctx->rings[i] = fd_ringbuffer_new(screen->pipe, 0x100000);
 204                 if (!ctx->rings[i])
 205                         goto fail;
 206         }
 207
 208         fd_context_next_rb(pctx);
 209         fd_reset_wfi(ctx);
 210
 211         util_dynarray_init(&ctx->draw_patches);
 212
 213         util_slab_create(&ctx->transfer_pool, sizeof(struct pipe_transfer),
 214                         16, UTIL_SLAB_SINGLETHREADED);
 215
 216         fd_draw_init(pctx);
 217         fd_resource_context_init(pctx);
 218         fd_query_context_init(pctx);
 219         fd_texture_init(pctx);
 220         fd_state_init(pctx);
 221         fd_hw_query_init(pctx);
 222
 223         ctx->blitter = util_blitter_create(pctx);
 224         if (!ctx->blitter)
 225                 goto fail;
 226
 227         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 228         if (!ctx->primconvert)
 229                 goto fail;
 230
 231         return pctx;
 232
 233 fail:
 234         pctx->destroy(pctx);
 235         return NULL;
 236 }