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         int i;
  99
 100         DBG("needs_flush: %d", ctx->needs_flush);
 101
 102         if (!ctx->needs_flush)
 103                 return;
 104
 105         fd_gmem_render_tiles(ctx);
 106
 107         DBG("%p/%p/%p", ctx->ring->start, ctx->ring->cur, ctx->ring->end);
 108
 109         /* if size in dwords is more than half the buffer size, then wait and
 110          * wrap around:
 111          */
 112         if ((ctx->ring->cur - ctx->ring->start) > ctx->ring->size/8)
 113                 fd_context_next_rb(pctx);
 114
 115         ctx->needs_flush = false;
 116         ctx->cleared = ctx->partial_cleared = ctx->restore = ctx->resolve = 0;
 117         ctx->gmem_reason = 0;
 118         ctx->num_draws = 0;
 119
 120         for (i = 0; i < pfb->nr_cbufs; i++)
 121                 if (pfb->cbufs[i])
 122                         fd_resource(pfb->cbufs[i]->texture)->dirty = false;
 123         if (pfb->zsbuf)
 124                 fd_resource(pfb->zsbuf->texture)->dirty = false;
 125 }
 126
 127 static void
 128 fd_context_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
 129                 unsigned flags)
 130 {
 131         fd_context_render(pctx);
 132
 133         if (fence)
 134                 *fence = fd_fence_create(pctx);
 135 }
 136
 137 void
 138 fd_context_destroy(struct pipe_context *pctx)
 139 {
 140         struct fd_context *ctx = fd_context(pctx);
 141         unsigned i;
 142
 143         DBG("");
 144
 145         fd_prog_fini(pctx);
 146         fd_hw_query_fini(pctx);
 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         util_slab_destroy(&ctx->transfer_pool);
 157
 158         fd_ringmarker_del(ctx->draw_start);
 159         fd_ringmarker_del(ctx->draw_end);
 160         fd_ringmarker_del(ctx->binning_start);
 161         fd_ringmarker_del(ctx->binning_end);
 162
 163         for (i = 0; i < ARRAY_SIZE(ctx->rings); i++)
 164                 fd_ringbuffer_del(ctx->rings[i]);
 165
 166         for (i = 0; i < ARRAY_SIZE(ctx->pipe); i++) {
 167                 struct fd_vsc_pipe *pipe = &ctx->pipe[i];
 168                 if (!pipe->bo)
 169                         break;
 170                 fd_bo_del(pipe->bo);
 171         }
 172
 173         fd_device_del(ctx->dev);
 174
 175         FREE(ctx);
 176 }
 177
 178 struct pipe_context *
 179 fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
 180                 const uint8_t *primtypes, void *priv)
 181 {
 182         struct fd_screen *screen = fd_screen(pscreen);
 183         struct pipe_context *pctx;
 184         int i;
 185
 186         ctx->screen = screen;
 187
 188         ctx->primtypes = primtypes;
 189         ctx->primtype_mask = 0;
 190         for (i = 0; i < PIPE_PRIM_MAX; i++)
 191                 if (primtypes[i])
 192                         ctx->primtype_mask |= (1 << i);
 193
 194         /* need some sane default in case state tracker doesn't
 195          * set some state:
 196          */
 197         ctx->sample_mask = 0xffff;
 198
 199         pctx = &ctx->base;
 200         pctx->screen = pscreen;
 201         pctx->priv = priv;
 202         pctx->flush = fd_context_flush;
 203
 204         for (i = 0; i < ARRAY_SIZE(ctx->rings); i++) {
 205                 ctx->rings[i] = fd_ringbuffer_new(screen->pipe, 0x100000);
 206                 if (!ctx->rings[i])
 207                         goto fail;
 208         }
 209
 210         fd_context_next_rb(pctx);
 211         fd_reset_wfi(ctx);
 212
 213         util_dynarray_init(&ctx->draw_patches);
 214
 215         util_slab_create(&ctx->transfer_pool, sizeof(struct pipe_transfer),
 216                         16, UTIL_SLAB_SINGLETHREADED);
 217
 218         fd_draw_init(pctx);
 219         fd_resource_context_init(pctx);
 220         fd_query_context_init(pctx);
 221         fd_texture_init(pctx);
 222         fd_state_init(pctx);
 223         fd_hw_query_init(pctx);
 224
 225         ctx->blitter = util_blitter_create(pctx);
 226         if (!ctx->blitter)
 227                 goto fail;
 228
 229         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 230         if (!ctx->primconvert)
 231                 goto fail;
 232
 233         return pctx;
 234
 235 fail:
 236         pctx->destroy(pctx);
 237         return NULL;
 238 }