src/gallium/drivers/vc4/vc4_context.c

   1 /*
   2  * Copyright © 2014 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/ralloc.h"
  29 #include "util/u_inlines.h"
  30 #include "util/u_memory.h"
  31 #include "util/u_blitter.h"
  32 #include "util/u_upload_mgr.h"
  33 #include "indices/u_primconvert.h"
  34 #include "pipe/p_screen.h"
  35
  36 #include "vc4_screen.h"
  37 #include "vc4_context.h"
  38 #include "vc4_resource.h"
  39
  40 void
  41 vc4_flush(struct pipe_context *pctx)
  42 {
  43         struct vc4_context *vc4 = vc4_context(pctx);
  44
  45         hash_table_foreach(vc4->jobs, entry) {
  46                 struct vc4_job *job = entry->data;
  47                 vc4_job_submit(vc4, job);
  48         }
  49 }
  50
  51 static void
  52 vc4_pipe_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
  53                unsigned flags)
  54 {
  55         struct vc4_context *vc4 = vc4_context(pctx);
  56
  57         vc4_flush(pctx);
  58
  59         if (fence) {
  60                 struct pipe_screen *screen = pctx->screen;
  61                 int fd = -1;
  62
  63                 if (flags & PIPE_FLUSH_FENCE_FD) {
  64                         /* The vc4_fence takes ownership of the returned fd. */
  65                         drmSyncobjExportSyncFile(vc4->fd, vc4->job_syncobj,
  66                                                  &fd);
  67                 }
  68
  69                 struct vc4_fence *f = vc4_fence_create(vc4->screen,
  70                                                        vc4->last_emit_seqno,
  71                                                        fd);
  72                 screen->fence_reference(screen, fence, NULL);
  73                 *fence = (struct pipe_fence_handle *)f;
  74         }
  75 }
  76
  77 /* We can't flush the texture cache within rendering a tile, so we have to
  78  * flush all rendering to the kernel so that the next job reading from the
  79  * tile gets a flushed cache.
  80  */
  81 static void
  82 vc4_texture_barrier(struct pipe_context *pctx, unsigned flags)
  83 {
  84         vc4_flush(pctx);
  85 }
  86
  87 static void
  88 vc4_set_debug_callback(struct pipe_context *pctx,
  89                        const struct pipe_debug_callback *cb)
  90 {
  91         struct vc4_context *vc4 = vc4_context(pctx);
  92
  93         if (cb)
  94                 vc4->debug = *cb;
  95         else
  96                 memset(&vc4->debug, 0, sizeof(vc4->debug));
  97 }
  98
  99 static void
 100 vc4_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
 101 {
 102         struct vc4_context *vc4 = vc4_context(pctx);
 103         struct vc4_resource *rsc = vc4_resource(prsc);
 104
 105         rsc->initialized_buffers = 0;
 106
 107         struct hash_entry *entry = _mesa_hash_table_search(vc4->write_jobs,
 108                                                            prsc);
 109         if (!entry)
 110                 return;
 111
 112         struct vc4_job *job = entry->data;
 113         if (job->key.zsbuf && job->key.zsbuf->texture == prsc)
 114                 job->resolve &= ~(PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL);
 115 }
 116
 117 static void
 118 vc4_context_destroy(struct pipe_context *pctx)
 119 {
 120         struct vc4_context *vc4 = vc4_context(pctx);
 121
 122         vc4_flush(pctx);
 123
 124         if (vc4->blitter)
 125                 util_blitter_destroy(vc4->blitter);
 126
 127         if (vc4->primconvert)
 128                 util_primconvert_destroy(vc4->primconvert);
 129
 130         if (vc4->uploader)
 131                 u_upload_destroy(vc4->uploader);
 132
 133         slab_destroy_child(&vc4->transfer_pool);
 134
 135         pipe_surface_reference(&vc4->framebuffer.cbufs[0], NULL);
 136         pipe_surface_reference(&vc4->framebuffer.zsbuf, NULL);
 137
 138         if (vc4->yuv_linear_blit_vs)
 139                 pctx->delete_vs_state(pctx, vc4->yuv_linear_blit_vs);
 140         if (vc4->yuv_linear_blit_fs_8bit)
 141                 pctx->delete_fs_state(pctx, vc4->yuv_linear_blit_fs_8bit);
 142         if (vc4->yuv_linear_blit_fs_16bit)
 143                 pctx->delete_fs_state(pctx, vc4->yuv_linear_blit_fs_16bit);
 144
 145         vc4_program_fini(pctx);
 146
 147         if (vc4->screen->has_syncobj) {
 148                 drmSyncobjDestroy(vc4->fd, vc4->job_syncobj);
 149                 drmSyncobjDestroy(vc4->fd, vc4->in_syncobj);
 150         }
 151         if (vc4->in_fence_fd >= 0)
 152                 close(vc4->in_fence_fd);
 153
 154         ralloc_free(vc4);
 155 }
 156
 157 struct pipe_context *
 158 vc4_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
 159 {
 160         struct vc4_screen *screen = vc4_screen(pscreen);
 161         struct vc4_context *vc4;
 162         int err;
 163
 164         /* Prevent dumping of the shaders built during context setup. */
 165         uint32_t saved_shaderdb_flag = vc4_debug & VC4_DEBUG_SHADERDB;
 166         vc4_debug &= ~VC4_DEBUG_SHADERDB;
 167
 168         vc4 = rzalloc(NULL, struct vc4_context);
 169         if (!vc4)
 170                 return NULL;
 171         struct pipe_context *pctx = &vc4->base;
 172
 173         vc4->screen = screen;
 174
 175         pctx->screen = pscreen;
 176         pctx->priv = priv;
 177         pctx->destroy = vc4_context_destroy;
 178         pctx->flush = vc4_pipe_flush;
 179         pctx->set_debug_callback = vc4_set_debug_callback;
 180         pctx->invalidate_resource = vc4_invalidate_resource;
 181         pctx->texture_barrier = vc4_texture_barrier;
 182
 183         vc4_draw_init(pctx);
 184         vc4_state_init(pctx);
 185         vc4_program_init(pctx);
 186         vc4_query_init(pctx);
 187         vc4_resource_context_init(pctx);
 188
 189         vc4->fd = screen->fd;
 190
 191         err = vc4_job_init(vc4);
 192         if (err)
 193                 goto fail;
 194
 195         err = vc4_fence_context_init(vc4);
 196         if (err)
 197                 goto fail;
 198
 199         slab_create_child(&vc4->transfer_pool, &screen->transfer_pool);
 200
 201         vc4->uploader = u_upload_create_default(&vc4->base);
 202         vc4->base.stream_uploader = vc4->uploader;
 203         vc4->base.const_uploader = vc4->uploader;
 204
 205         vc4->blitter = util_blitter_create(pctx);
 206         if (!vc4->blitter)
 207                 goto fail;
 208
 209         vc4->primconvert = util_primconvert_create(pctx,
 210                                                    (1 << PIPE_PRIM_QUADS) - 1);
 211         if (!vc4->primconvert)
 212                 goto fail;
 213
 214         vc4_debug |= saved_shaderdb_flag;
 215
 216         vc4->sample_mask = (1 << VC4_MAX_SAMPLES) - 1;
 217
 218         return &vc4->base;
 219
 220 fail:
 221         pctx->destroy(pctx);
 222         return NULL;
 223 }