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 void
  42 fd_context_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
  43                 unsigned flags)
  44 {
  45         struct fd_context *ctx = fd_context(pctx);
  46
  47         if (flags & PIPE_FLUSH_FENCE_FD)
  48                 ctx->batch->needs_out_fence_fd = true;
  49
  50         if (!ctx->screen->reorder) {
  51                 fd_batch_flush(ctx->batch, true);
  52         } else {
  53                 fd_bc_flush(&ctx->screen->batch_cache, ctx);
  54         }
  55
  56         if (fence)
  57                 fd_fence_ref(pctx->screen, fence, ctx->last_fence);
  58 }
  59
  60 /**
  61  * emit marker string as payload of a no-op packet, which can be
  62  * decoded by cffdump.
  63  */
  64 static void
  65 fd_emit_string_marker(struct pipe_context *pctx, const char *string, int len)
  66 {
  67         struct fd_context *ctx = fd_context(pctx);
  68         struct fd_ringbuffer *ring;
  69         const uint32_t *buf = (const void *)string;
  70
  71         if (!ctx->batch)
  72                 return;
  73
  74         ring = ctx->batch->draw;
  75
  76         /* max packet size is 0x3fff dwords: */
  77         len = MIN2(len, 0x3fff * 4);
  78
  79         OUT_PKT3(ring, CP_NOP, align(len, 4) / 4);
  80         while (len >= 4) {
  81                 OUT_RING(ring, *buf);
  82                 buf++;
  83                 len -= 4;
  84         }
  85
  86         /* copy remainder bytes without reading past end of input string: */
  87         if (len > 0) {
  88                 uint32_t w = 0;
  89                 memcpy(&w, buf, len);
  90                 OUT_RING(ring, w);
  91         }
  92 }
  93
  94 void
  95 fd_context_destroy(struct pipe_context *pctx)
  96 {
  97         struct fd_context *ctx = fd_context(pctx);
  98         unsigned i;
  99
 100         DBG("");
 101
 102         if (ctx->screen->reorder)
 103                 util_queue_destroy(&ctx->flush_queue);
 104
 105         fd_batch_reference(&ctx->batch, NULL);  /* unref current batch */
 106         fd_bc_invalidate_context(ctx);
 107
 108         fd_fence_ref(pctx->screen, &ctx->last_fence, NULL);
 109
 110         fd_prog_fini(pctx);
 111         fd_hw_query_fini(pctx);
 112
 113         if (ctx->blitter)
 114                 util_blitter_destroy(ctx->blitter);
 115
 116         if (ctx->clear_rs_state)
 117                 pctx->delete_rasterizer_state(pctx, ctx->clear_rs_state);
 118
 119         if (ctx->primconvert)
 120                 util_primconvert_destroy(ctx->primconvert);
 121
 122         slab_destroy_child(&ctx->transfer_pool);
 123
 124         for (i = 0; i < ARRAY_SIZE(ctx->pipe); i++) {
 125                 struct fd_vsc_pipe *pipe = &ctx->pipe[i];
 126                 if (!pipe->bo)
 127                         break;
 128                 fd_bo_del(pipe->bo);
 129         }
 130
 131         fd_device_del(ctx->dev);
 132
 133         if (fd_mesa_debug & (FD_DBG_BSTAT | FD_DBG_MSGS)) {
 134                 printf("batch_total=%u, batch_sysmem=%u, batch_gmem=%u, batch_restore=%u\n",
 135                         (uint32_t)ctx->stats.batch_total, (uint32_t)ctx->stats.batch_sysmem,
 136                         (uint32_t)ctx->stats.batch_gmem, (uint32_t)ctx->stats.batch_restore);
 137         }
 138
 139         FREE(ctx);
 140 }
 141
 142 static void
 143 fd_set_debug_callback(struct pipe_context *pctx,
 144                 const struct pipe_debug_callback *cb)
 145 {
 146         struct fd_context *ctx = fd_context(pctx);
 147
 148         if (cb)
 149                 ctx->debug = *cb;
 150         else
 151                 memset(&ctx->debug, 0, sizeof(ctx->debug));
 152 }
 153
 154 /* TODO we could combine a few of these small buffers (solid_vbuf,
 155  * blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
 156  * save a tiny bit of memory
 157  */
 158
 159 static struct pipe_resource *
 160 create_solid_vertexbuf(struct pipe_context *pctx)
 161 {
 162         static const float init_shader_const[] = {
 163                         -1.000000, +1.000000, +1.000000,
 164                         +1.000000, -1.000000, +1.000000,
 165         };
 166         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 167                         PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
 168         pipe_buffer_write(pctx, prsc, 0,
 169                         sizeof(init_shader_const), init_shader_const);
 170         return prsc;
 171 }
 172
 173 static struct pipe_resource *
 174 create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
 175 {
 176         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
 177                         PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
 178         return prsc;
 179 }
 180
 181 void
 182 fd_context_setup_common_vbos(struct fd_context *ctx)
 183 {
 184         struct pipe_context *pctx = &ctx->base;
 185
 186         ctx->solid_vbuf = create_solid_vertexbuf(pctx);
 187         ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
 188
 189         /* setup solid_vbuf_state: */
 190         ctx->solid_vbuf_state.vtx = pctx->create_vertex_elements_state(
 191                         pctx, 1, (struct pipe_vertex_element[]){{
 192                                 .vertex_buffer_index = 0,
 193                                 .src_offset = 0,
 194                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 195                         }});
 196         ctx->solid_vbuf_state.vertexbuf.count = 1;
 197         ctx->solid_vbuf_state.vertexbuf.vb[0].stride = 12;
 198         ctx->solid_vbuf_state.vertexbuf.vb[0].buffer = ctx->solid_vbuf;
 199
 200         /* setup blit_vbuf_state: */
 201         ctx->blit_vbuf_state.vtx = pctx->create_vertex_elements_state(
 202                         pctx, 2, (struct pipe_vertex_element[]){{
 203                                 .vertex_buffer_index = 0,
 204                                 .src_offset = 0,
 205                                 .src_format = PIPE_FORMAT_R32G32_FLOAT,
 206                         }, {
 207                                 .vertex_buffer_index = 1,
 208                                 .src_offset = 0,
 209                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
 210                         }});
 211         ctx->blit_vbuf_state.vertexbuf.count = 2;
 212         ctx->blit_vbuf_state.vertexbuf.vb[0].stride = 8;
 213         ctx->blit_vbuf_state.vertexbuf.vb[0].buffer = ctx->blit_texcoord_vbuf;
 214         ctx->blit_vbuf_state.vertexbuf.vb[1].stride = 12;
 215         ctx->blit_vbuf_state.vertexbuf.vb[1].buffer = ctx->solid_vbuf;
 216 }
 217
 218 void
 219 fd_context_cleanup_common_vbos(struct fd_context *ctx)
 220 {
 221         struct pipe_context *pctx = &ctx->base;
 222
 223         pctx->delete_vertex_elements_state(pctx, ctx->solid_vbuf_state.vtx);
 224         pctx->delete_vertex_elements_state(pctx, ctx->blit_vbuf_state.vtx);
 225
 226         pipe_resource_reference(&ctx->solid_vbuf, NULL);
 227         pipe_resource_reference(&ctx->blit_texcoord_vbuf, NULL);
 228 }
 229
 230 struct pipe_context *
 231 fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
 232                 const uint8_t *primtypes, void *priv)
 233 {
 234         struct fd_screen *screen = fd_screen(pscreen);
 235         struct pipe_context *pctx;
 236         int i;
 237
 238         ctx->screen = screen;
 239
 240         ctx->primtypes = primtypes;
 241         ctx->primtype_mask = 0;
 242         for (i = 0; i < PIPE_PRIM_MAX; i++)
 243                 if (primtypes[i])
 244                         ctx->primtype_mask |= (1 << i);
 245
 246         /* need some sane default in case state tracker doesn't
 247          * set some state:
 248          */
 249         ctx->sample_mask = 0xffff;
 250
 251         pctx = &ctx->base;
 252         pctx->screen = pscreen;
 253         pctx->priv = priv;
 254         pctx->flush = fd_context_flush;
 255         pctx->emit_string_marker = fd_emit_string_marker;
 256         pctx->set_debug_callback = fd_set_debug_callback;
 257         pctx->create_fence_fd = fd_create_fence_fd;
 258         pctx->fence_server_sync = fd_fence_server_sync;
 259
 260         /* TODO what about compute?  Ideally it creates it's own independent
 261          * batches per compute job (since it isn't using tiling, so no point
 262          * in getting involved with the re-ordering madness)..
 263          */
 264         if (!screen->reorder) {
 265                 ctx->batch = fd_bc_alloc_batch(&screen->batch_cache, ctx);
 266         }
 267
 268         slab_create_child(&ctx->transfer_pool, &screen->transfer_pool);
 269
 270         fd_draw_init(pctx);
 271         fd_resource_context_init(pctx);
 272         fd_query_context_init(pctx);
 273         fd_texture_init(pctx);
 274         fd_state_init(pctx);
 275         fd_hw_query_init(pctx);
 276
 277         ctx->blitter = util_blitter_create(pctx);
 278         if (!ctx->blitter)
 279                 goto fail;
 280
 281         ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
 282         if (!ctx->primconvert)
 283                 goto fail;
 284
 285         return pctx;
 286
 287 fail:
 288         pctx->destroy(pctx);
 289         return NULL;
 290 }