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_program.h"
  32 #include "freedreno_resource.h"
  33 #include "freedreno_texture.h"
  34 #include "freedreno_state.h"
  35 #include "freedreno_gmem.h"
  36 #include "freedreno_query.h"
  37 #include "freedreno_query_hw.h"
  38 #include "freedreno_util.h"
  39
  40 static struct fd_ringbuffer *next_rb(struct fd_context *ctx)
  41 {
  42         struct fd_ringbuffer *ring;
  43         uint32_t ts;
  44
  45         /* grab next ringbuffer: */
  46         ring = ctx->rings[(ctx->rings_idx++) % ARRAY_SIZE(ctx->rings)];
  47
  48         /* wait for new rb to be idle: */
  49         ts = fd_ringbuffer_timestamp(ring);
  50         if (ts) {
  51                 DBG("wait: %u", ts);
  52                 fd_pipe_wait(ctx->screen->pipe, ts);
  53         }
  54
  55         fd_ringbuffer_reset(ring);
  56
  57         return ring;
  58 }
  59
  60 static void
  61 fd_context_next_rb(struct pipe_context *pctx)
  62 {
  63         struct fd_context *ctx = fd_context(pctx);
  64         struct fd_ringbuffer *ring;
  65
  66         fd_ringmarker_del(ctx->draw_start);
  67         fd_ringmarker_del(ctx->draw_end);
  68
  69         ring = next_rb(ctx);
  70
  71         ctx->draw_start = fd_ringmarker_new(ring);
  72         ctx->draw_end = fd_ringmarker_new(ring);
  73
  74         fd_ringbuffer_set_parent(ring, NULL);
  75         ctx->ring = ring;
  76
  77         fd_ringmarker_del(ctx->binning_start);
  78         fd_ringmarker_del(ctx->binning_end);
  79
  80         ring = next_rb(ctx);
  81
  82         ctx->binning_start = fd_ringmarker_new(ring);
  83         ctx->binning_end = fd_ringmarker_new(ring);
  84
  85         fd_ringbuffer_set_parent(ring, ctx->ring);
  86         ctx->binning_ring = ring;
  87 }
  88
  89 /* emit accumulated render cmds, needed for example if render target has
  90  * changed, or for flush()
  91  */
  92 void
  93 fd_context_render(struct pipe_context *pctx)
  94 {
  95         struct fd_context *ctx = fd_context(pctx);
  96         struct pipe_framebuffer_state *pfb = &ctx->framebuffer;
  97
  98         DBG("needs_flush: %d", ctx->needs_flush);
  99
 100         if (!ctx->needs_flush)
 101                 return;
 102
 103         fd_gmem_render_tiles(pctx);
 104
 105         DBG("%p/%p/%p", ctx->ring->start, ctx->ring->cur, ctx->ring->end);
 106
 107         /* if size in dwords is more than half the buffer size, then wait and
 108          * wrap around:
 109          */
 110         if ((ctx->ring->cur - ctx->ring->start) > ctx->ring->size/8)
 111                 fd_context_next_rb(pctx);
 112
 113         ctx->needs_flush = false;
 114         ctx->cleared = ctx->restore = ctx->resolve = 0;
 115         ctx->gmem_reason = 0;
 116         ctx->num_draws = 0;
 117
 118         if (pfb->cbufs[0])
 119                 fd_resource(pfb->cbufs[0]->texture)->dirty = false;
 120         if (pfb->zsbuf)
 121                 fd_resource(pfb->zsbuf->texture)->dirty = false;
 122 }
 123
 124 static void
 125 fd_context_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
 126                 unsigned flags)
 127 {
 128         DBG("fence=%p", fence);
 129
 130 #if 0
 131         if (fence) {
 132                 fd_fence_ref(ctx->screen->fence.current,
 133                                 (struct fd_fence **)fence);
 134         }
 135 #endif
 136
 137         fd_context_render(pctx);
 138 }
 139
 140 void
 141 fd_context_destroy(struct pipe_context *pctx)
 142 {
 143         struct fd_context *ctx = fd_context(pctx);
 144         unsigned i;
 145
 146         DBG("");
 147
 148         fd_prog_fini(pctx);
 149         fd_hw_query_fini(pctx);
 150
 151         util_dynarray_fini(&ctx->draw_patches);
 152
 153         if (ctx->blitter)
 154                 util_blitter_destroy(ctx->blitter);
 155
 156         if (ctx->primconvert)
 157                 util_primconvert_destroy(ctx->primconvert);
 158
 159         util_slab_destroy(&ctx->transfer_pool);
 160
 161         fd_ringmarker_del(ctx->draw_start);
 162         fd_ringmarker_del(ctx->draw_end);
 163         fd_ringmarker_del(ctx->binning_start);
 164         fd_ringmarker_del(ctx->binning_end);
 165
 166         for (i = 0; i < ARRAY_SIZE(ctx->rings); i++)
 167                 fd_ringbuffer_del(ctx->rings[i]);
 168
 169         for (i = 0; i < ARRAY_SIZE(ctx->pipe); i++) {
 170                 struct fd_vsc_pipe *pipe = &ctx->pipe[i];
 171                 if (!pipe->bo)
 172                         break;
 173                 fd_bo_del(pipe->bo);
 174         }
 175
 176         fd_device_del(ctx->dev);
 177
 178         FREE(ctx);
 179 }
 180
 181 struct pipe_context *
 182 fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
 183                 const uint8_t *primtypes, void *priv)
 184 {
 185         struct fd_screen *screen = fd_screen(pscreen);
 186         struct pipe_context *pctx;
 187         int i;
 188
 189         ctx->screen = screen;
 190
 191         ctx->primtypes = primtypes;
 192         ctx->primtype_mask = 0;
 193         for (i = 0; i < PIPE_PRIM_MAX; i++)
 194                 if (primtypes[i])
 195                         ctx->primtype_mask |= (1 << i);
 196
 197         /* need some sane default in case state tracker doesn't
 198          * set some state:
 199          */
 200         ctx->sample_mask = 0xffff;
 201
 202         pctx = &ctx->base;
 203         pctx->screen = pscreen;
 204         pctx->priv = priv;
 205         pctx->flush = fd_context_flush;
 206
 207         for (i = 0; i < ARRAY_SIZE(ctx->rings); i++) {
 208                 ctx->rings[i] = fd_ringbuffer_new(screen->pipe, 0x100000);
 209                 if (!ctx->rings[i])
 210                         goto fail;
 211         }
 212
 213         fd_context_next_rb(pctx);
 214         fd_reset_wfi(ctx);
 215
 216         util_dynarray_init(&ctx->draw_patches);
 217
 218         util_slab_create(&ctx->transfer_pool, sizeof(struct pipe_transfer),
 219                         16, UTIL_SLAB_SINGLETHREADED);
 220
 221         fd_draw_init(pctx);
 222         fd_resource_context_init(pctx);
 223         fd_query_context_init(pctx);
 224         fd_texture_init(pctx);
 225         fd_state_init(pctx);
 226         fd_hw_query_init(pctx);
 227
 228         ctx->blitter = util_blitter_create(pctx);
 229         if (!ctx->blitter)
 230                 goto fail;
 231
 232         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 233         if (!ctx->primconvert)
 234                 goto fail;
 235
 236         return pctx;
 237
 238 fail:
 239         pctx->destroy(pctx);
 240         return NULL;
 241 }