src/gallium/drivers/svga/svga_context.c

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 #include "svga_cmd.h"
  27
  28 #include "pipe/p_defines.h"
  29 #include "util/u_inlines.h"
  30 #include "pipe/p_screen.h"
  31 #include "util/u_memory.h"
  32 #include "util/u_bitmask.h"
  33 #include "util/u_upload_mgr.h"
  34
  35 #include "svga_context.h"
  36 #include "svga_screen.h"
  37 #include "svga_surface.h"
  38 #include "svga_resource_texture.h"
  39 #include "svga_resource_buffer.h"
  40 #include "svga_resource.h"
  41 #include "svga_winsys.h"
  42 #include "svga_swtnl.h"
  43 #include "svga_draw.h"
  44 #include "svga_debug.h"
  45 #include "svga_state.h"
  46 #include "svga_winsys.h"
  47 #include "svga_streamout.h"
  48
  49 #define CONST0_UPLOAD_DEFAULT_SIZE 65536
  50
  51 DEBUG_GET_ONCE_BOOL_OPTION(no_swtnl, "SVGA_NO_SWTNL", FALSE)
  52 DEBUG_GET_ONCE_BOOL_OPTION(force_swtnl, "SVGA_FORCE_SWTNL", FALSE);
  53 DEBUG_GET_ONCE_BOOL_OPTION(use_min_mipmap, "SVGA_USE_MIN_MIPMAP", FALSE);
  54 DEBUG_GET_ONCE_BOOL_OPTION(no_line_width, "SVGA_NO_LINE_WIDTH", FALSE);
  55 DEBUG_GET_ONCE_BOOL_OPTION(force_hw_line_stipple, "SVGA_FORCE_HW_LINE_STIPPLE", FALSE);
  56
  57
  58 static void
  59 svga_destroy(struct pipe_context *pipe)
  60 {
  61    struct svga_context *svga = svga_context(pipe);
  62    unsigned shader, i;
  63
  64    /* free any alternate rasterizer states used for point sprite */
  65    for (i = 0; i < ARRAY_SIZE(svga->rasterizer_no_cull); i++) {
  66       if (svga->rasterizer_no_cull[i]) {
  67          pipe->delete_rasterizer_state(pipe, svga->rasterizer_no_cull[i]);
  68       }
  69    }
  70
  71    /* free depthstencil_disable state */
  72    if (svga->depthstencil_disable) {
  73       pipe->delete_depth_stencil_alpha_state(pipe, svga->depthstencil_disable);
  74    }
  75
  76    /* free HW constant buffers */
  77    for (shader = 0; shader < ARRAY_SIZE(svga->state.hw_draw.constbuf); shader++) {
  78       for (i = 0; i < ARRAY_SIZE(svga->state.hw_draw.constbuf[0]); i++) {
  79          pipe_resource_reference(&svga->state.hw_draw.constbuf[shader][i], NULL);
  80       }
  81    }
  82
  83    pipe->delete_blend_state(pipe, svga->noop_blend);
  84
  85    /* destroy stream output statistics queries */
  86    svga_destroy_stream_output_queries(svga);
  87
  88    /* free query gb object */
  89    if (svga->gb_query) {
  90       pipe->destroy_query(pipe, NULL);
  91       svga->gb_query = NULL;
  92    }
  93
  94    util_blitter_destroy(svga->blitter);
  95
  96    svga_cleanup_sampler_state(svga);
  97    svga_cleanup_framebuffer(svga);
  98    svga_cleanup_tss_binding(svga);
  99    svga_cleanup_vertex_state(svga);
 100    svga_cleanup_tcs_state(svga);
 101
 102    svga_destroy_swtnl(svga);
 103    svga_hwtnl_destroy(svga->hwtnl);
 104
 105    svga->swc->destroy(svga->swc);
 106
 107    util_bitmask_destroy(svga->blend_object_id_bm);
 108    util_bitmask_destroy(svga->ds_object_id_bm);
 109    util_bitmask_destroy(svga->input_element_object_id_bm);
 110    util_bitmask_destroy(svga->rast_object_id_bm);
 111    util_bitmask_destroy(svga->sampler_object_id_bm);
 112    util_bitmask_destroy(svga->sampler_view_id_bm);
 113    util_bitmask_destroy(svga->shader_id_bm);
 114    util_bitmask_destroy(svga->surface_view_id_bm);
 115    util_bitmask_destroy(svga->stream_output_id_bm);
 116    util_bitmask_destroy(svga->query_id_bm);
 117    u_upload_destroy(svga->const0_upload);
 118    u_upload_destroy(svga->pipe.stream_uploader);
 119    u_upload_destroy(svga->pipe.const_uploader);
 120    svga_texture_transfer_map_upload_destroy(svga);
 121
 122    /* free user's constant buffers */
 123    for (shader = 0; shader < PIPE_SHADER_TYPES; ++shader) {
 124       for (i = 0; i < ARRAY_SIZE(svga->curr.constbufs[shader]); ++i) {
 125          pipe_resource_reference(&svga->curr.constbufs[shader][i].buffer, NULL);
 126       }
 127    }
 128
 129    FREE(svga);
 130 }
 131
 132
 133 struct pipe_context *
 134 svga_context_create(struct pipe_screen *screen, void *priv, unsigned flags)
 135 {
 136    struct svga_screen *svgascreen = svga_screen(screen);
 137    struct svga_context *svga = NULL;
 138    enum pipe_error ret;
 139
 140    SVGA_STATS_TIME_PUSH(svgascreen->sws, SVGA_STATS_TIME_CREATECONTEXT);
 141
 142    svga = CALLOC_STRUCT(svga_context);
 143    if (!svga)
 144       goto done;
 145
 146    list_inithead(&svga->dirty_buffers);
 147
 148    svga->pipe.screen = screen;
 149    svga->pipe.priv = priv;
 150    svga->pipe.destroy = svga_destroy;
 151    svga->pipe.stream_uploader = u_upload_create(&svga->pipe, 1024 * 1024,
 152                                                 PIPE_BIND_VERTEX_BUFFER |
 153                                                 PIPE_BIND_INDEX_BUFFER,
 154                                                 PIPE_USAGE_STREAM, 0);
 155    if (!svga->pipe.stream_uploader)
 156       goto cleanup;
 157
 158    u_upload_disable_persistent(svga->pipe.stream_uploader);
 159
 160    svga->pipe.const_uploader = u_upload_create(&svga->pipe, 128 * 1024,
 161                                                PIPE_BIND_CONSTANT_BUFFER,
 162                                                PIPE_USAGE_STREAM, 0);
 163    if (!svga->pipe.const_uploader)
 164       goto cleanup;
 165
 166    u_upload_disable_persistent(svga->pipe.const_uploader);
 167
 168    svga->swc = svgascreen->sws->context_create(svgascreen->sws);
 169    if (!svga->swc)
 170       goto cleanup;
 171
 172    svga_init_resource_functions(svga);
 173    svga_init_blend_functions(svga);
 174    svga_init_blit_functions(svga);
 175    svga_init_depth_stencil_functions(svga);
 176    svga_init_draw_functions(svga);
 177    svga_init_flush_functions(svga);
 178    svga_init_misc_functions(svga);
 179    svga_init_rasterizer_functions(svga);
 180    svga_init_sampler_functions(svga);
 181    svga_init_fs_functions(svga);
 182    svga_init_vs_functions(svga);
 183    svga_init_gs_functions(svga);
 184    svga_init_ts_functions(svga);
 185    svga_init_vertex_functions(svga);
 186    svga_init_constbuffer_functions(svga);
 187    svga_init_query_functions(svga);
 188    svga_init_surface_functions(svga);
 189    svga_init_stream_output_functions(svga);
 190    svga_init_clear_functions(svga);
 191    svga_init_tracked_state(svga);
 192
 193    /* init misc state */
 194    svga->curr.sample_mask = ~0;
 195
 196    /* debug */
 197    svga->debug.no_swtnl = debug_get_option_no_swtnl();
 198    svga->debug.force_swtnl = debug_get_option_force_swtnl();
 199    svga->debug.use_min_mipmap = debug_get_option_use_min_mipmap();
 200    svga->debug.no_line_width = debug_get_option_no_line_width();
 201    svga->debug.force_hw_line_stipple = debug_get_option_force_hw_line_stipple();
 202
 203    if (!(svga->blend_object_id_bm = util_bitmask_create()))
 204       goto cleanup;
 205
 206    if (!(svga->ds_object_id_bm = util_bitmask_create()))
 207       goto cleanup;
 208
 209    if (!(svga->input_element_object_id_bm = util_bitmask_create()))
 210       goto cleanup;
 211
 212    if (!(svga->rast_object_id_bm = util_bitmask_create()))
 213       goto cleanup;
 214
 215    if (!(svga->sampler_object_id_bm = util_bitmask_create()))
 216       goto cleanup;
 217
 218    if (!(svga->sampler_view_id_bm = util_bitmask_create()))
 219       goto cleanup;
 220
 221    if (!(svga->shader_id_bm = util_bitmask_create()))
 222       goto cleanup;
 223
 224    if (!(svga->surface_view_id_bm = util_bitmask_create()))
 225       goto cleanup;
 226
 227    if (!(svga->stream_output_id_bm = util_bitmask_create()))
 228       goto cleanup;
 229
 230    if (!(svga->query_id_bm = util_bitmask_create()))
 231       goto cleanup;
 232
 233    svga->hwtnl = svga_hwtnl_create(svga);
 234    if (svga->hwtnl == NULL)
 235       goto cleanup;
 236
 237    if (!svga_init_swtnl(svga))
 238       goto cleanup;
 239
 240    ret = svga_emit_initial_state(svga);
 241    if (ret != PIPE_OK)
 242       goto cleanup;
 243
 244    svga->const0_upload = u_upload_create(&svga->pipe,
 245                                          CONST0_UPLOAD_DEFAULT_SIZE,
 246                                          PIPE_BIND_CONSTANT_BUFFER |
 247                                          PIPE_BIND_CUSTOM,
 248                                          PIPE_USAGE_STREAM, 0);
 249    if (!svga->const0_upload)
 250       goto cleanup;
 251
 252    u_upload_disable_persistent(svga->const0_upload);
 253
 254    if (!svga_texture_transfer_map_upload_create(svga))
 255       goto cleanup;
 256
 257    /* Avoid shortcircuiting state with initial value of zero.
 258     */
 259    memset(&svga->state.hw_clear, 0xcd, sizeof(svga->state.hw_clear));
 260    memset(&svga->state.hw_clear.framebuffer, 0x0,
 261           sizeof(svga->state.hw_clear.framebuffer));
 262    memset(&svga->state.hw_clear.rtv, 0, sizeof(svga->state.hw_clear.rtv));
 263    svga->state.hw_clear.num_rendertargets = 0;
 264    svga->state.hw_clear.dsv = NULL;
 265
 266    memset(&svga->state.hw_draw, 0xcd, sizeof(svga->state.hw_draw));
 267    memset(&svga->state.hw_draw.views, 0x0, sizeof(svga->state.hw_draw.views));
 268    memset(&svga->state.hw_draw.num_samplers, 0,
 269       sizeof(svga->state.hw_draw.num_samplers));
 270    memset(&svga->state.hw_draw.num_sampler_views, 0,
 271       sizeof(svga->state.hw_draw.num_sampler_views));
 272    memset(svga->state.hw_draw.sampler_views, 0,
 273           sizeof(svga->state.hw_draw.sampler_views));
 274    svga->state.hw_draw.num_views = 0;
 275    svga->state.hw_draw.num_backed_views = 0;
 276    svga->state.hw_draw.rasterizer_discard = FALSE;
 277
 278    /* Initialize the shader pointers */
 279    svga->state.hw_draw.vs = NULL;
 280    svga->state.hw_draw.gs = NULL;
 281    svga->state.hw_draw.fs = NULL;
 282    svga->state.hw_draw.tcs = NULL;
 283    svga->state.hw_draw.tes = NULL;
 284
 285    /* Initialize the currently bound buffer resources */
 286    memset(svga->state.hw_draw.constbuf, 0,
 287           sizeof(svga->state.hw_draw.constbuf));
 288    memset(svga->state.hw_draw.default_constbuf_size, 0,
 289           sizeof(svga->state.hw_draw.default_constbuf_size));
 290    memset(svga->state.hw_draw.enabled_constbufs, 0,
 291           sizeof(svga->state.hw_draw.enabled_constbufs));
 292    svga->state.hw_draw.ib = NULL;
 293    svga->state.hw_draw.num_vbuffers = 0;
 294    memset(svga->state.hw_draw.vbuffers, 0,
 295           sizeof(svga->state.hw_draw.vbuffers));
 296    svga->state.hw_draw.const0_buffer = NULL;
 297    svga->state.hw_draw.const0_handle = NULL;
 298
 299    /* Create a no-operation blend state which we will bind whenever the
 300     * requested blend state is impossible (e.g. due to having an integer
 301     * render target attached).
 302     *
 303     * XXX: We will probably actually need 16 of these, one for each possible
 304     * RGBA color mask (4 bits).  Then, we would bind the one with a color mask
 305     * matching the blend state it is replacing.
 306     */
 307    {
 308       struct pipe_blend_state noop_tmpl = {0};
 309       unsigned i;
 310
 311       for (i = 0; i < PIPE_MAX_COLOR_BUFS; ++i) {
 312          // Set the color mask to all-ones.  Later this may change.
 313          noop_tmpl.rt[i].colormask = PIPE_MASK_RGBA;
 314       }
 315       svga->noop_blend = svga->pipe.create_blend_state(&svga->pipe, &noop_tmpl);
 316    }
 317
 318    svga->dirty = SVGA_NEW_ALL;
 319    svga->pred.query_id = SVGA3D_INVALID_ID;
 320    svga->disable_rasterizer = FALSE;
 321
 322    /**
 323     * Create stream output statistics queries used in the workaround for auto
 324     * draw with stream instancing.
 325     */
 326    svga_create_stream_output_queries(svga);
 327
 328    goto done;
 329
 330 cleanup:
 331    svga_destroy_swtnl(svga);
 332
 333    if (svga->const0_upload)
 334       u_upload_destroy(svga->const0_upload);
 335    if (svga->pipe.const_uploader)
 336       u_upload_destroy(svga->pipe.const_uploader);
 337    if (svga->pipe.stream_uploader)
 338       u_upload_destroy(svga->pipe.stream_uploader);
 339    svga_texture_transfer_map_upload_destroy(svga);
 340    if (svga->hwtnl)
 341       svga_hwtnl_destroy(svga->hwtnl);
 342    if (svga->swc)
 343       svga->swc->destroy(svga->swc);
 344    util_bitmask_destroy(svga->blend_object_id_bm);
 345    util_bitmask_destroy(svga->ds_object_id_bm);
 346    util_bitmask_destroy(svga->input_element_object_id_bm);
 347    util_bitmask_destroy(svga->rast_object_id_bm);
 348    util_bitmask_destroy(svga->sampler_object_id_bm);
 349    util_bitmask_destroy(svga->sampler_view_id_bm);
 350    util_bitmask_destroy(svga->shader_id_bm);
 351    util_bitmask_destroy(svga->surface_view_id_bm);
 352    util_bitmask_destroy(svga->stream_output_id_bm);
 353    util_bitmask_destroy(svga->query_id_bm);
 354    FREE(svga);
 355    svga = NULL;
 356
 357 done:
 358    SVGA_STATS_TIME_POP(svgascreen->sws);
 359    return svga ? &svga->pipe:NULL;
 360 }
 361
 362
 363 void
 364 svga_context_flush(struct svga_context *svga,
 365                    struct pipe_fence_handle **pfence)
 366 {
 367    struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
 368    struct pipe_fence_handle *fence = NULL;
 369    uint64_t t0;
 370
 371    SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_CONTEXTFLUSH);
 372
 373    svga->curr.nr_fbs = 0;
 374
 375    /* Unmap the 0th/default constant buffer.  The u_upload_unmap() function
 376     * will call pipe_context::transfer_flush_region() to indicate the
 377     * region of the buffer which was modified (and needs to be uploaded).
 378     */
 379    if (svga->state.hw_draw.const0_handle) {
 380       assert(svga->state.hw_draw.const0_buffer);
 381       u_upload_unmap(svga->const0_upload);
 382       pipe_resource_reference(&svga->state.hw_draw.const0_buffer, NULL);
 383       svga->state.hw_draw.const0_handle = NULL;
 384    }
 385
 386    /* Ensure that texture dma uploads are processed
 387     * before submitting commands.
 388     */
 389    svga_context_flush_buffers(svga);
 390
 391    svga->hud.command_buffer_size +=
 392       svga->swc->get_command_buffer_size(svga->swc);
 393
 394    /* Flush pending commands to hardware:
 395     */
 396    t0 = svga_get_time(svga);
 397    svga->swc->flush(svga->swc, &fence);
 398    svga->hud.flush_time += (svga_get_time(svga) - t0);
 399
 400    svga->hud.num_flushes++;
 401
 402    svga_screen_cache_flush(svgascreen, svga, fence);
 403
 404    SVGA3D_ResetLastCommand(svga->swc);
 405
 406    /* To force the re-emission of rendertargets and texture sampler bindings on
 407     * the next command buffer.
 408     */
 409    svga->rebind.flags.rendertargets = TRUE;
 410    svga->rebind.flags.texture_samplers = TRUE;
 411
 412    if (svga_have_gb_objects(svga)) {
 413
 414       svga->rebind.flags.constbufs = TRUE;
 415       svga->rebind.flags.vs = TRUE;
 416       svga->rebind.flags.fs = TRUE;
 417       svga->rebind.flags.gs = TRUE;
 418
 419       if (svga_have_sm5(svga)) {
 420          svga->rebind.flags.tcs = TRUE;
 421          svga->rebind.flags.tes = TRUE;
 422       }
 423
 424       if (svga_need_to_rebind_resources(svga)) {
 425          svga->rebind.flags.query = TRUE;
 426       }
 427    }
 428
 429    if (SVGA_DEBUG & DEBUG_SYNC) {
 430       if (fence)
 431          svga->pipe.screen->fence_finish(svga->pipe.screen, NULL, fence,
 432                                           PIPE_TIMEOUT_INFINITE);
 433    }
 434
 435    if (pfence)
 436       svgascreen->sws->fence_reference(svgascreen->sws, pfence, fence);
 437
 438    svgascreen->sws->fence_reference(svgascreen->sws, &fence, NULL);
 439
 440    SVGA_STATS_TIME_POP(svga_sws(svga));
 441 }
 442
 443
 444 /**
 445  * Flush pending commands and wait for completion with a fence.
 446  */
 447 void
 448 svga_context_finish(struct svga_context *svga)
 449 {
 450    struct pipe_screen *screen = svga->pipe.screen;
 451    struct pipe_fence_handle *fence = NULL;
 452
 453    SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_CONTEXTFINISH);
 454
 455    svga_context_flush(svga, &fence);
 456    screen->fence_finish(screen, NULL, fence, PIPE_TIMEOUT_INFINITE);
 457    screen->fence_reference(screen, &fence, NULL);
 458
 459    SVGA_STATS_TIME_POP(svga_sws(svga));
 460 }
 461
 462
 463 /**
 464  * Emit pending drawing commands to the command buffer.
 465  * If the command buffer overflows, we flush it and retry.
 466  * \sa svga_hwtnl_flush()
 467  */
 468 void
 469 svga_hwtnl_flush_retry(struct svga_context *svga)
 470 {
 471    enum pipe_error ret = PIPE_OK;
 472
 473    SVGA_RETRY_OOM(svga, ret, svga_hwtnl_flush(svga->hwtnl));
 474    assert(ret == PIPE_OK);
 475 }
 476
 477
 478 /**
 479  * Flush the primitive queue if this buffer is referred.
 480  *
 481  * Otherwise DMA commands on the referred buffer will be emitted too late.
 482  */
 483 void
 484 svga_hwtnl_flush_buffer(struct svga_context *svga,
 485                         struct pipe_resource *buffer)
 486 {
 487    if (svga_hwtnl_is_buffer_referred(svga->hwtnl, buffer)) {
 488       svga_hwtnl_flush_retry(svga);
 489    }
 490 }
 491
 492
 493 /**
 494  * Emit all operations pending on host surfaces.
 495  */
 496 void
 497 svga_surfaces_flush(struct svga_context *svga)
 498 {
 499    SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_SURFACEFLUSH);
 500
 501    /* Emit buffered drawing commands.
 502     */
 503    svga_hwtnl_flush_retry(svga);
 504
 505    /* Emit back-copy from render target views to textures.
 506     */
 507    svga_propagate_rendertargets(svga);
 508
 509    SVGA_STATS_TIME_POP(svga_sws(svga));
 510 }
 511
 512
 513 struct svga_winsys_context *
 514 svga_winsys_context(struct pipe_context *pipe)
 515 {
 516    return svga_context(pipe)->swc;
 517 }