src/gallium/drivers/vc5/vc5_context.c

   1 /*
   2  * Copyright © 2014-2017 Broadcom
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include <xf86drm.h>
  25 #include <err.h>
  26
  27 #include "pipe/p_defines.h"
  28 #include "util/hash_table.h"
  29 #include "util/ralloc.h"
  30 #include "util/u_inlines.h"
  31 #include "util/u_memory.h"
  32 #include "util/u_blitter.h"
  33 #include "util/u_upload_mgr.h"
  34 #include "indices/u_primconvert.h"
  35 #include "pipe/p_screen.h"
  36
  37 #include "vc5_screen.h"
  38 #include "vc5_context.h"
  39 #include "vc5_resource.h"
  40
  41 void
  42 vc5_flush(struct pipe_context *pctx)
  43 {
  44         struct vc5_context *vc5 = vc5_context(pctx);
  45
  46         struct hash_entry *entry;
  47         hash_table_foreach(vc5->jobs, entry) {
  48                 struct vc5_job *job = entry->data;
  49                 vc5_job_submit(vc5, job);
  50         }
  51 }
  52
  53 static void
  54 vc5_pipe_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
  55                unsigned flags)
  56 {
  57         struct vc5_context *vc5 = vc5_context(pctx);
  58
  59         vc5_flush(pctx);
  60
  61         if (fence) {
  62                 struct pipe_screen *screen = pctx->screen;
  63                 struct vc5_fence *f = vc5_fence_create(vc5->screen,
  64                                                        vc5->last_emit_seqno);
  65                 screen->fence_reference(screen, fence, NULL);
  66                 *fence = (struct pipe_fence_handle *)f;
  67         }
  68 }
  69
  70 static void
  71 vc5_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
  72 {
  73         struct vc5_context *vc5 = vc5_context(pctx);
  74         struct vc5_resource *rsc = vc5_resource(prsc);
  75
  76         rsc->initialized_buffers = 0;
  77
  78         struct hash_entry *entry = _mesa_hash_table_search(vc5->write_jobs,
  79                                                            prsc);
  80         if (!entry)
  81                 return;
  82
  83         struct vc5_job *job = entry->data;
  84         if (job->key.zsbuf && job->key.zsbuf->texture == prsc)
  85                 job->resolve &= ~(PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL);
  86 }
  87
  88 static void
  89 vc5_context_destroy(struct pipe_context *pctx)
  90 {
  91         struct vc5_context *vc5 = vc5_context(pctx);
  92
  93         vc5_flush(pctx);
  94
  95         if (vc5->blitter)
  96                 util_blitter_destroy(vc5->blitter);
  97
  98         if (vc5->primconvert)
  99                 util_primconvert_destroy(vc5->primconvert);
 100
 101         if (vc5->uploader)
 102                 u_upload_destroy(vc5->uploader);
 103
 104         slab_destroy_child(&vc5->transfer_pool);
 105
 106         pipe_surface_reference(&vc5->framebuffer.cbufs[0], NULL);
 107         pipe_surface_reference(&vc5->framebuffer.zsbuf, NULL);
 108
 109         vc5_program_fini(pctx);
 110
 111         ralloc_free(vc5);
 112 }
 113
 114 struct pipe_context *
 115 vc5_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
 116 {
 117         struct vc5_screen *screen = vc5_screen(pscreen);
 118         struct vc5_context *vc5;
 119
 120         /* Prevent dumping of the shaders built during context setup. */
 121         uint32_t saved_shaderdb_flag = V3D_DEBUG & V3D_DEBUG_SHADERDB;
 122         V3D_DEBUG &= ~V3D_DEBUG_SHADERDB;
 123
 124         vc5 = rzalloc(NULL, struct vc5_context);
 125         if (!vc5)
 126                 return NULL;
 127         struct pipe_context *pctx = &vc5->base;
 128
 129         vc5->screen = screen;
 130
 131         pctx->screen = pscreen;
 132         pctx->priv = priv;
 133         pctx->destroy = vc5_context_destroy;
 134         pctx->flush = vc5_pipe_flush;
 135         pctx->invalidate_resource = vc5_invalidate_resource;
 136
 137         if (screen->devinfo.ver >= 41) {
 138                 v3d41_draw_init(pctx);
 139                 v3d41_state_init(pctx);
 140         } else {
 141                 v3d33_draw_init(pctx);
 142                 v3d33_state_init(pctx);
 143         }
 144         vc5_program_init(pctx);
 145         vc5_query_init(pctx);
 146         vc5_resource_context_init(pctx);
 147
 148         vc5_job_init(vc5);
 149
 150         vc5->fd = screen->fd;
 151
 152         slab_create_child(&vc5->transfer_pool, &screen->transfer_pool);
 153
 154         vc5->uploader = u_upload_create_default(&vc5->base);
 155         vc5->base.stream_uploader = vc5->uploader;
 156         vc5->base.const_uploader = vc5->uploader;
 157
 158         vc5->blitter = util_blitter_create(pctx);
 159         if (!vc5->blitter)
 160                 goto fail;
 161
 162         vc5->primconvert = util_primconvert_create(pctx,
 163                                                    (1 << PIPE_PRIM_QUADS) - 1);
 164         if (!vc5->primconvert)
 165                 goto fail;
 166
 167         V3D_DEBUG |= saved_shaderdb_flag;
 168
 169         vc5->sample_mask = (1 << VC5_MAX_SAMPLES) - 1;
 170         vc5->active_queries = true;
 171
 172         return &vc5->base;
 173
 174 fail:
 175         pctx->destroy(pctx);
 176         return NULL;
 177 }