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
  48 #define CONST0_UPLOAD_DEFAULT_SIZE 65536
  49
  50 DEBUG_GET_ONCE_BOOL_OPTION(no_swtnl, "SVGA_NO_SWTNL", FALSE)
  51 DEBUG_GET_ONCE_BOOL_OPTION(force_swtnl, "SVGA_FORCE_SWTNL", FALSE);
  52 DEBUG_GET_ONCE_BOOL_OPTION(use_min_mipmap, "SVGA_USE_MIN_MIPMAP", FALSE);
  53 DEBUG_GET_ONCE_BOOL_OPTION(no_line_width, "SVGA_NO_LINE_WIDTH", FALSE);
  54 DEBUG_GET_ONCE_BOOL_OPTION(force_hw_line_stipple, "SVGA_FORCE_HW_LINE_STIPPLE", FALSE);
  55
  56
  57 static void
  58 svga_destroy(struct pipe_context *pipe)
  59 {
  60    struct svga_context *svga = svga_context(pipe);
  61    unsigned shader, i;
  62
  63    /* free any alternate rasterizer states used for point sprite */
  64    for (i = 0; i < ARRAY_SIZE(svga->rasterizer_no_cull); i++) {
  65       if (svga->rasterizer_no_cull[i]) {
  66          pipe->delete_rasterizer_state(pipe, svga->rasterizer_no_cull[i]);
  67       }
  68    }
  69
  70    /* free HW constant buffers */
  71    for (shader = 0; shader < ARRAY_SIZE(svga->state.hw_draw.constbuf); shader++) {
  72       pipe_resource_reference(&svga->state.hw_draw.constbuf[shader], NULL);
  73    }
  74
  75    pipe->delete_blend_state(pipe, svga->noop_blend);
  76
  77    /* free query gb object */
  78    if (svga->gb_query) {
  79       pipe->destroy_query(pipe, NULL);
  80       svga->gb_query = NULL;
  81    }
  82
  83    util_blitter_destroy(svga->blitter);
  84
  85    svga_cleanup_sampler_state(svga);
  86    svga_cleanup_framebuffer(svga);
  87    svga_cleanup_tss_binding(svga);
  88    svga_cleanup_vertex_state(svga);
  89
  90    svga_destroy_swtnl(svga);
  91    svga_hwtnl_destroy(svga->hwtnl);
  92
  93    svga->swc->destroy(svga->swc);
  94
  95    util_bitmask_destroy(svga->blend_object_id_bm);
  96    util_bitmask_destroy(svga->ds_object_id_bm);
  97    util_bitmask_destroy(svga->input_element_object_id_bm);
  98    util_bitmask_destroy(svga->rast_object_id_bm);
  99    util_bitmask_destroy(svga->sampler_object_id_bm);
 100    util_bitmask_destroy(svga->sampler_view_id_bm);
 101    util_bitmask_destroy(svga->shader_id_bm);
 102    util_bitmask_destroy(svga->surface_view_id_bm);
 103    util_bitmask_destroy(svga->stream_output_id_bm);
 104    util_bitmask_destroy(svga->query_id_bm);
 105    u_upload_destroy(svga->const0_upload);
 106    u_upload_destroy(svga->pipe.stream_uploader);
 107    u_upload_destroy(svga->pipe.const_uploader);
 108    svga_texture_transfer_map_upload_destroy(svga);
 109
 110    /* free user's constant buffers */
 111    for (shader = 0; shader < PIPE_SHADER_TYPES; ++shader) {
 112       for (i = 0; i < ARRAY_SIZE(svga->curr.constbufs[shader]); ++i) {
 113          pipe_resource_reference(&svga->curr.constbufs[shader][i].buffer, NULL);
 114       }
 115    }
 116
 117    FREE(svga);
 118 }
 119
 120
 121 struct pipe_context *
 122 svga_context_create(struct pipe_screen *screen, void *priv, unsigned flags)
 123 {
 124    struct svga_screen *svgascreen = svga_screen(screen);
 125    struct svga_context *svga = NULL;
 126    enum pipe_error ret;
 127
 128    svga = CALLOC_STRUCT(svga_context);
 129    if (!svga)
 130       goto cleanup;
 131
 132    LIST_INITHEAD(&svga->dirty_buffers);
 133
 134    svga->pipe.screen = screen;
 135    svga->pipe.priv = priv;
 136    svga->pipe.destroy = svga_destroy;
 137    svga->pipe.stream_uploader = u_upload_create(&svga->pipe, 1024 * 1024,
 138                                                 PIPE_BIND_VERTEX_BUFFER |
 139                                                 PIPE_BIND_INDEX_BUFFER,
 140                                                 PIPE_USAGE_STREAM);
 141    if (!svga->pipe.stream_uploader)
 142       goto cleanup;
 143
 144    svga->pipe.const_uploader = u_upload_create(&svga->pipe, 128 * 1024,
 145                                                PIPE_BIND_CONSTANT_BUFFER,
 146                                                PIPE_USAGE_STREAM);
 147    if (!svga->pipe.const_uploader)
 148       goto cleanup;
 149
 150    svga->swc = svgascreen->sws->context_create(svgascreen->sws);
 151    if (!svga->swc)
 152       goto cleanup;
 153
 154    svga_init_resource_functions(svga);
 155    svga_init_blend_functions(svga);
 156    svga_init_blit_functions(svga);
 157    svga_init_depth_stencil_functions(svga);
 158    svga_init_draw_functions(svga);
 159    svga_init_flush_functions(svga);
 160    svga_init_misc_functions(svga);
 161    svga_init_rasterizer_functions(svga);
 162    svga_init_sampler_functions(svga);
 163    svga_init_fs_functions(svga);
 164    svga_init_vs_functions(svga);
 165    svga_init_gs_functions(svga);
 166    svga_init_vertex_functions(svga);
 167    svga_init_constbuffer_functions(svga);
 168    svga_init_query_functions(svga);
 169    svga_init_surface_functions(svga);
 170    svga_init_stream_output_functions(svga);
 171    svga_init_clear_functions(svga);
 172
 173    /* init misc state */
 174    svga->curr.sample_mask = ~0;
 175
 176    /* debug */
 177    svga->debug.no_swtnl = debug_get_option_no_swtnl();
 178    svga->debug.force_swtnl = debug_get_option_force_swtnl();
 179    svga->debug.use_min_mipmap = debug_get_option_use_min_mipmap();
 180    svga->debug.no_line_width = debug_get_option_no_line_width();
 181    svga->debug.force_hw_line_stipple = debug_get_option_force_hw_line_stipple();
 182
 183    if (!(svga->blend_object_id_bm = util_bitmask_create()))
 184       goto cleanup;
 185
 186    if (!(svga->ds_object_id_bm = util_bitmask_create()))
 187       goto cleanup;
 188
 189    if (!(svga->input_element_object_id_bm = util_bitmask_create()))
 190       goto cleanup;
 191
 192    if (!(svga->rast_object_id_bm = util_bitmask_create()))
 193       goto cleanup;
 194
 195    if (!(svga->sampler_object_id_bm = util_bitmask_create()))
 196       goto cleanup;
 197
 198    if (!(svga->sampler_view_id_bm = util_bitmask_create()))
 199       goto cleanup;
 200
 201    if (!(svga->shader_id_bm = util_bitmask_create()))
 202       goto cleanup;
 203
 204    if (!(svga->surface_view_id_bm = util_bitmask_create()))
 205       goto cleanup;
 206
 207    if (!(svga->stream_output_id_bm = util_bitmask_create()))
 208       goto cleanup;
 209
 210    if (!(svga->query_id_bm = util_bitmask_create()))
 211       goto cleanup;
 212
 213    svga->hwtnl = svga_hwtnl_create(svga);
 214    if (svga->hwtnl == NULL)
 215       goto cleanup;
 216
 217    if (!svga_init_swtnl(svga))
 218       goto cleanup;
 219
 220    ret = svga_emit_initial_state(svga);
 221    if (ret != PIPE_OK)
 222       goto cleanup;
 223
 224    svga->const0_upload = u_upload_create(&svga->pipe,
 225                                          CONST0_UPLOAD_DEFAULT_SIZE,
 226                                          PIPE_BIND_CONSTANT_BUFFER,
 227                                          PIPE_USAGE_STREAM);
 228    if (!svga->const0_upload)
 229       goto cleanup;
 230
 231    if (!svga_texture_transfer_map_upload_create(svga))
 232       goto cleanup;
 233
 234    /* Avoid shortcircuiting state with initial value of zero.
 235     */
 236    memset(&svga->state.hw_clear, 0xcd, sizeof(svga->state.hw_clear));
 237    memset(&svga->state.hw_clear.framebuffer, 0x0,
 238           sizeof(svga->state.hw_clear.framebuffer));
 239
 240    memset(&svga->state.hw_draw, 0xcd, sizeof(svga->state.hw_draw));
 241    memset(&svga->state.hw_draw.views, 0x0, sizeof(svga->state.hw_draw.views));
 242    memset(&svga->state.hw_draw.num_samplers, 0,
 243       sizeof(svga->state.hw_draw.num_samplers));
 244    memset(&svga->state.hw_draw.num_sampler_views, 0,
 245       sizeof(svga->state.hw_draw.num_sampler_views));
 246    memset(svga->state.hw_draw.sampler_views, 0,
 247           sizeof(svga->state.hw_draw.sampler_views));
 248    svga->state.hw_draw.num_views = 0;
 249    svga->state.hw_draw.num_rendertargets = 0;
 250    svga->state.hw_draw.dsv = NULL;
 251
 252    /* Initialize the shader pointers */
 253    svga->state.hw_draw.vs = NULL;
 254    svga->state.hw_draw.gs = NULL;
 255    svga->state.hw_draw.fs = NULL;
 256
 257    /* Initialize the currently bound buffer resources */
 258    memset(svga->state.hw_draw.constbuf, 0,
 259           sizeof(svga->state.hw_draw.constbuf));
 260    memset(svga->state.hw_draw.default_constbuf_size, 0,
 261           sizeof(svga->state.hw_draw.default_constbuf_size));
 262    memset(svga->state.hw_draw.enabled_constbufs, 0,
 263           sizeof(svga->state.hw_draw.enabled_constbufs));
 264    svga->state.hw_draw.ib = NULL;
 265    svga->state.hw_draw.num_vbuffers = 0;
 266    memset(svga->state.hw_draw.vbuffers, 0,
 267           sizeof(svga->state.hw_draw.vbuffers));
 268    svga->state.hw_draw.const0_buffer = NULL;
 269    svga->state.hw_draw.const0_handle = NULL;
 270
 271    /* Create a no-operation blend state which we will bind whenever the
 272     * requested blend state is impossible (e.g. due to having an integer
 273     * render target attached).
 274     *
 275     * XXX: We will probably actually need 16 of these, one for each possible
 276     * RGBA color mask (4 bits).  Then, we would bind the one with a color mask
 277     * matching the blend state it is replacing.
 278     */
 279    {
 280       struct pipe_blend_state noop_tmpl = {0};
 281       unsigned i;
 282
 283       for (i = 0; i < PIPE_MAX_COLOR_BUFS; ++i) {
 284          // Set the color mask to all-ones.  Later this may change.
 285          noop_tmpl.rt[i].colormask = PIPE_MASK_RGBA;
 286       }
 287       svga->noop_blend = svga->pipe.create_blend_state(&svga->pipe, &noop_tmpl);
 288    }
 289
 290    svga->dirty = ~0;
 291    svga->pred.query_id = SVGA3D_INVALID_ID;
 292
 293    return &svga->pipe;
 294
 295 cleanup:
 296    svga_destroy_swtnl(svga);
 297
 298    if (svga->const0_upload)
 299       u_upload_destroy(svga->const0_upload);
 300    if (svga->pipe.const_uploader)
 301       u_upload_destroy(svga->pipe.const_uploader);
 302    if (svga->pipe.stream_uploader)
 303       u_upload_destroy(svga->pipe.stream_uploader);
 304    svga_texture_transfer_map_upload_destroy(svga);
 305    if (svga->hwtnl)
 306       svga_hwtnl_destroy(svga->hwtnl);
 307    if (svga->swc)
 308       svga->swc->destroy(svga->swc);
 309    util_bitmask_destroy(svga->blend_object_id_bm);
 310    util_bitmask_destroy(svga->ds_object_id_bm);
 311    util_bitmask_destroy(svga->input_element_object_id_bm);
 312    util_bitmask_destroy(svga->rast_object_id_bm);
 313    util_bitmask_destroy(svga->sampler_object_id_bm);
 314    util_bitmask_destroy(svga->sampler_view_id_bm);
 315    util_bitmask_destroy(svga->shader_id_bm);
 316    util_bitmask_destroy(svga->surface_view_id_bm);
 317    util_bitmask_destroy(svga->stream_output_id_bm);
 318    util_bitmask_destroy(svga->query_id_bm);
 319    FREE(svga);
 320    return NULL;
 321 }
 322
 323
 324 void
 325 svga_context_flush(struct svga_context *svga,
 326                    struct pipe_fence_handle **pfence)
 327 {
 328    struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
 329    struct pipe_fence_handle *fence = NULL;
 330    uint64_t t0;
 331
 332    SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_CONTEXTFLUSH);
 333
 334    svga->curr.nr_fbs = 0;
 335
 336    /* Unmap the 0th/default constant buffer.  The u_upload_unmap() function
 337     * will call pipe_context::transfer_flush_region() to indicate the
 338     * region of the buffer which was modified (and needs to be uploaded).
 339     */
 340    if (svga->state.hw_draw.const0_handle) {
 341       assert(svga->state.hw_draw.const0_buffer);
 342       u_upload_unmap(svga->const0_upload);
 343       pipe_resource_reference(&svga->state.hw_draw.const0_buffer, NULL);
 344       svga->state.hw_draw.const0_handle = NULL;
 345    }
 346
 347    /* Ensure that texture dma uploads are processed
 348     * before submitting commands.
 349     */
 350    svga_context_flush_buffers(svga);
 351
 352    svga->hud.command_buffer_size +=
 353       svga->swc->get_command_buffer_size(svga->swc);
 354
 355    /* Flush pending commands to hardware:
 356     */
 357    t0 = svga_get_time(svga);
 358    svga->swc->flush(svga->swc, &fence);
 359    svga->hud.flush_time += (svga_get_time(svga) - t0);
 360
 361    svga->hud.num_flushes++;
 362
 363    svga_screen_cache_flush(svgascreen, fence);
 364
 365    SVGA3D_ResetLastCommand(svga->swc);
 366
 367    /* To force the re-emission of rendertargets and texture sampler bindings on
 368     * the next command buffer.
 369     */
 370    svga->rebind.flags.rendertargets = TRUE;
 371    svga->rebind.flags.texture_samplers = TRUE;
 372
 373    if (svga_have_gb_objects(svga)) {
 374
 375       svga->rebind.flags.constbufs = TRUE;
 376       svga->rebind.flags.vs = TRUE;
 377       svga->rebind.flags.fs = TRUE;
 378       svga->rebind.flags.gs = TRUE;
 379
 380       if (svga_need_to_rebind_resources(svga)) {
 381          svga->rebind.flags.query = TRUE;
 382       }
 383    }
 384
 385    if (SVGA_DEBUG & DEBUG_SYNC) {
 386       if (fence)
 387          svga->pipe.screen->fence_finish(svga->pipe.screen, NULL, fence,
 388                                           PIPE_TIMEOUT_INFINITE);
 389    }
 390
 391    if (pfence)
 392       svgascreen->sws->fence_reference(svgascreen->sws, pfence, fence);
 393
 394    svgascreen->sws->fence_reference(svgascreen->sws, &fence, NULL);
 395
 396    SVGA_STATS_TIME_POP(svga_sws(svga));
 397 }
 398
 399
 400 /**
 401  * Flush pending commands and wait for completion with a fence.
 402  */
 403 void
 404 svga_context_finish(struct svga_context *svga)
 405 {
 406    struct pipe_screen *screen = svga->pipe.screen;
 407    struct pipe_fence_handle *fence = NULL;
 408
 409    SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_CONTEXTFINISH);
 410
 411    svga_context_flush(svga, &fence);
 412    screen->fence_finish(screen, NULL, fence, PIPE_TIMEOUT_INFINITE);
 413    screen->fence_reference(screen, &fence, NULL);
 414
 415    SVGA_STATS_TIME_POP(svga_sws(svga));
 416 }
 417
 418
 419 /**
 420  * Emit pending drawing commands to the command buffer.
 421  * If the command buffer overflows, we flush it and retry.
 422  * \sa svga_hwtnl_flush()
 423  */
 424 void
 425 svga_hwtnl_flush_retry(struct svga_context *svga)
 426 {
 427    enum pipe_error ret = PIPE_OK;
 428
 429    ret = svga_hwtnl_flush(svga->hwtnl);
 430    if (ret == PIPE_ERROR_OUT_OF_MEMORY) {
 431       svga_context_flush(svga, NULL);
 432       ret = svga_hwtnl_flush(svga->hwtnl);
 433    }
 434
 435    assert(ret == PIPE_OK);
 436 }
 437
 438
 439 /**
 440  * Flush the primitive queue if this buffer is referred.
 441  *
 442  * Otherwise DMA commands on the referred buffer will be emitted too late.
 443  */
 444 void
 445 svga_hwtnl_flush_buffer(struct svga_context *svga,
 446                         struct pipe_resource *buffer)
 447 {
 448    if (svga_hwtnl_is_buffer_referred(svga->hwtnl, buffer)) {
 449       svga_hwtnl_flush_retry(svga);
 450    }
 451 }
 452
 453
 454 /**
 455  * Emit all operations pending on host surfaces.
 456  */
 457 void
 458 svga_surfaces_flush(struct svga_context *svga)
 459 {
 460    SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_SURFACEFLUSH);
 461
 462    /* Emit buffered drawing commands.
 463     */
 464    svga_hwtnl_flush_retry(svga);
 465
 466    /* Emit back-copy from render target views to textures.
 467     */
 468    svga_propagate_rendertargets(svga);
 469
 470    SVGA_STATS_TIME_POP(svga_sws(svga));
 471 }
 472
 473
 474 struct svga_winsys_context *
 475 svga_winsys_context(struct pipe_context *pipe)
 476 {
 477    return svga_context(pipe)->swc;
 478 }