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_resource.h"
  32 #include "freedreno_texture.h"
  33 #include "freedreno_state.h"
  34 #include "freedreno_gmem.h"
  35 #include "freedreno_query.h"
  36 #include "freedreno_util.h"
  37
  38 static struct fd_ringbuffer *next_rb(struct fd_context *ctx)
  39 {
  40         struct fd_ringbuffer *ring;
  41         uint32_t ts;
  42
  43         /* grab next ringbuffer: */
  44         ring = ctx->rings[(ctx->rings_idx++) % ARRAY_SIZE(ctx->rings)];
  45
  46         /* wait for new rb to be idle: */
  47         ts = fd_ringbuffer_timestamp(ring);
  48         if (ts) {
  49                 DBG("wait: %u", ts);
  50                 fd_pipe_wait(ctx->screen->pipe, ts);
  51         }
  52
  53         fd_ringbuffer_reset(ring);
  54
  55         return ring;
  56 }
  57
  58 static void
  59 fd_context_next_rb(struct pipe_context *pctx)
  60 {
  61         struct fd_context *ctx = fd_context(pctx);
  62         struct fd_ringbuffer *ring;
  63
  64         fd_ringmarker_del(ctx->draw_start);
  65         fd_ringmarker_del(ctx->draw_end);
  66
  67         ring = next_rb(ctx);
  68
  69         ctx->draw_start = fd_ringmarker_new(ring);
  70         ctx->draw_end = fd_ringmarker_new(ring);
  71
  72         fd_ringbuffer_set_parent(ring, NULL);
  73         ctx->ring = ring;
  74
  75         fd_ringmarker_del(ctx->binning_start);
  76         fd_ringmarker_del(ctx->binning_end);
  77
  78         ring = next_rb(ctx);
  79
  80         ctx->binning_start = fd_ringmarker_new(ring);
  81         ctx->binning_end = fd_ringmarker_new(ring);
  82
  83         fd_ringbuffer_set_parent(ring, ctx->ring);
  84         ctx->binning_ring = ring;
  85 }
  86
  87 /* emit accumulated render cmds, needed for example if render target has
  88  * changed, or for flush()
  89  */
  90 void
  91 fd_context_render(struct pipe_context *pctx)
  92 {
  93         struct fd_context *ctx = fd_context(pctx);
  94         struct pipe_framebuffer_state *pfb = &ctx->framebuffer;
  95
  96         DBG("needs_flush: %d", ctx->needs_flush);
  97
  98         if (!ctx->needs_flush)
  99                 return;
 100
 101         fd_gmem_render_tiles(pctx);
 102
 103         DBG("%p/%p/%p", ctx->ring->start, ctx->ring->cur, ctx->ring->end);
 104
 105         /* if size in dwords is more than half the buffer size, then wait and
 106          * wrap around:
 107          */
 108         if ((ctx->ring->cur - ctx->ring->start) > ctx->ring->size/8)
 109                 fd_context_next_rb(pctx);
 110
 111         ctx->needs_flush = false;
 112         ctx->cleared = ctx->restore = ctx->resolve = 0;
 113         ctx->gmem_reason = 0;
 114         ctx->num_draws = 0;
 115
 116         if (pfb->cbufs[0])
 117                 fd_resource(pfb->cbufs[0]->texture)->dirty = false;
 118         if (pfb->zsbuf)
 119                 fd_resource(pfb->zsbuf->texture)->dirty = false;
 120 }
 121
 122 static void
 123 fd_context_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
 124                 unsigned flags)
 125 {
 126         DBG("fence=%p", fence);
 127
 128 #if 0
 129         if (fence) {
 130                 fd_fence_ref(ctx->screen->fence.current,
 131                                 (struct fd_fence **)fence);
 132         }
 133 #endif
 134
 135         fd_context_render(pctx);
 136 }
 137
 138 void
 139 fd_context_destroy(struct pipe_context *pctx)
 140 {
 141         struct fd_context *ctx = fd_context(pctx);
 142         unsigned i;
 143
 144         DBG("");
 145
 146         util_slab_destroy(&ctx->transfer_pool);
 147
 148         util_dynarray_fini(&ctx->draw_patches);
 149
 150         if (ctx->blitter)
 151                 util_blitter_destroy(ctx->blitter);
 152
 153         if (ctx->primconvert)
 154                 util_primconvert_destroy(ctx->primconvert);
 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, 0x400000);
 204                 if (!ctx->rings[i])
 205                         goto fail;
 206         }
 207
 208         fd_context_next_rb(pctx);
 209         fd_reset_rmw_state(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
 222         ctx->blitter = util_blitter_create(pctx);
 223         if (!ctx->blitter)
 224                 goto fail;
 225
 226         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 227         if (!ctx->primconvert)
 228                 goto fail;
 229
 230         return pctx;
 231
 232 fail:
 233         pctx->destroy(pctx);
 234         return NULL;
 235 }