src/gallium/drivers/ilo/ilo_render_gen8.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2013 LunarG, Inc.
   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 shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #include "genhw/genhw.h"
  29 #include "core/ilo_builder_3d.h"
  30 #include "core/ilo_builder_render.h"
  31 #include "util/u_dual_blend.h"
  32
  33 #include "ilo_blitter.h"
  34 #include "ilo_shader.h"
  35 #include "ilo_state.h"
  36 #include "ilo_render_gen.h"
  37
  38 static void
  39 gen8_wa_pre_depth(struct ilo_render *r)
  40 {
  41    ILO_DEV_ASSERT(r->dev, 8, 8);
  42
  43    /*
  44     * From the Ivy Bridge PRM, volume 2 part 1, page 315:
  45     *
  46     *     "Restriction: Prior to changing Depth/Stencil Buffer state (i.e.,
  47     *      any combination of 3DSTATE_DEPTH_BUFFER, 3DSTATE_CLEAR_PARAMS,
  48     *      3DSTATE_STENCIL_BUFFER, 3DSTATE_HIER_DEPTH_BUFFER) SW must first
  49     *      issue a pipelined depth stall (PIPE_CONTROL with Depth Stall bit
  50     *      set), followed by a pipelined depth cache flush (PIPE_CONTROL with
  51     *      Depth Flush Bit set, followed by another pipelined depth stall
  52     *      (PIPE_CONTROL with Depth Stall Bit set), unless SW can otherwise
  53     *      guarantee that the pipeline from WM onwards is already flushed
  54     *      (e.g., via a preceding MI_FLUSH)."
  55     */
  56    ilo_render_pipe_control(r, GEN6_PIPE_CONTROL_DEPTH_STALL);
  57    ilo_render_pipe_control(r, GEN6_PIPE_CONTROL_DEPTH_CACHE_FLUSH);
  58    ilo_render_pipe_control(r, GEN6_PIPE_CONTROL_DEPTH_STALL);
  59 }
  60
  61 #define DIRTY(state) (session->pipe_dirty & ILO_DIRTY_ ## state)
  62
  63 static void
  64 gen8_draw_sf(struct ilo_render *r,
  65              const struct ilo_state_vector *vec,
  66              struct ilo_render_draw_session *session)
  67 {
  68    /* 3DSTATE_RASTER */
  69    if (session->rs_delta.dirty & ILO_STATE_RASTER_3DSTATE_RASTER)
  70       gen8_3DSTATE_RASTER(r->builder, &vec->rasterizer->rs);
  71
  72    /* 3DSTATE_SBE */
  73    if (DIRTY(RASTERIZER) || DIRTY(FS)) {
  74       gen8_3DSTATE_SBE(r->builder, vec->fs, (vec->rasterizer) ?
  75             vec->rasterizer->state.sprite_coord_mode : 0);
  76    }
  77
  78    /* 3DSTATE_SBE_SWIZ */
  79    if (DIRTY(FS))
  80       gen8_3DSTATE_SBE_SWIZ(r->builder, vec->fs);
  81
  82    /* 3DSTATE_SF */
  83    if (session->rs_delta.dirty & ILO_STATE_RASTER_3DSTATE_SF)
  84       gen7_3DSTATE_SF(r->builder, &vec->rasterizer->rs);
  85 }
  86
  87 static void
  88 gen8_draw_wm(struct ilo_render *r,
  89              const struct ilo_state_vector *vec,
  90              struct ilo_render_draw_session *session)
  91 {
  92    /* 3DSTATE_WM */
  93    if (session->rs_delta.dirty & ILO_STATE_RASTER_3DSTATE_WM)
  94       gen8_3DSTATE_WM(r->builder, &vec->rasterizer->rs);
  95
  96    if (DIRTY(DSA))
  97       gen8_3DSTATE_WM_DEPTH_STENCIL(r->builder, vec->dsa);
  98
  99    /* 3DSTATE_WM_HZ_OP and 3DSTATE_WM_CHROMAKEY */
 100    if (r->hw_ctx_changed) {
 101       gen8_disable_3DSTATE_WM_HZ_OP(r->builder);
 102       gen8_3DSTATE_WM_CHROMAKEY(r->builder);
 103    }
 104
 105    /* 3DSTATE_BINDING_TABLE_POINTERS_PS */
 106    if (session->binding_table_fs_changed) {
 107       gen7_3DSTATE_BINDING_TABLE_POINTERS_PS(r->builder,
 108             r->state.wm.BINDING_TABLE_STATE);
 109    }
 110
 111    /* 3DSTATE_SAMPLER_STATE_POINTERS_PS */
 112    if (session->sampler_fs_changed) {
 113       gen7_3DSTATE_SAMPLER_STATE_POINTERS_PS(r->builder,
 114             r->state.wm.SAMPLER_STATE);
 115    }
 116
 117    /* 3DSTATE_CONSTANT_PS */
 118    if (session->pcb_fs_changed) {
 119       gen7_3DSTATE_CONSTANT_PS(r->builder,
 120             &r->state.wm.PUSH_CONSTANT_BUFFER,
 121             &r->state.wm.PUSH_CONSTANT_BUFFER_size,
 122             1);
 123    }
 124
 125    /* 3DSTATE_PS */
 126    if (DIRTY(FS) || r->instruction_bo_changed)
 127       gen8_3DSTATE_PS(r->builder, vec->fs);
 128
 129    /* 3DSTATE_PS_EXTRA */
 130    if (DIRTY(FS) || DIRTY(DSA) || DIRTY(BLEND)) {
 131       const bool cc_may_kill = (vec->dsa->dw_blend_alpha ||
 132                                 vec->blend->alpha_to_coverage);
 133       gen8_3DSTATE_PS_EXTRA(r->builder, vec->fs, cc_may_kill, false);
 134    }
 135
 136    /* 3DSTATE_PS_BLEND */
 137    if (DIRTY(BLEND) || DIRTY(FB) || DIRTY(DSA))
 138       gen8_3DSTATE_PS_BLEND(r->builder, vec->blend, &vec->fb, vec->dsa);
 139
 140    /* 3DSTATE_SCISSOR_STATE_POINTERS */
 141    if (session->scissor_changed) {
 142       gen6_3DSTATE_SCISSOR_STATE_POINTERS(r->builder,
 143             r->state.SCISSOR_RECT);
 144    }
 145
 146    /* 3DSTATE_DEPTH_BUFFER and 3DSTATE_CLEAR_PARAMS */
 147    if (DIRTY(FB) || r->batch_bo_changed) {
 148       const struct ilo_state_zs *zs;
 149       uint32_t clear_params;
 150
 151       if (vec->fb.state.zsbuf) {
 152          const struct ilo_surface_cso *surface =
 153             (const struct ilo_surface_cso *) vec->fb.state.zsbuf;
 154          const struct ilo_texture_slice *slice =
 155             ilo_texture_get_slice(ilo_texture(surface->base.texture),
 156                   surface->base.u.tex.level, surface->base.u.tex.first_layer);
 157
 158          assert(!surface->is_rt);
 159          zs = &surface->u.zs;
 160          clear_params = slice->clear_value;
 161       }
 162       else {
 163          zs = &vec->fb.null_zs;
 164          clear_params = 0;
 165       }
 166
 167       gen8_wa_pre_depth(r);
 168
 169       gen6_3DSTATE_DEPTH_BUFFER(r->builder, zs);
 170       gen6_3DSTATE_HIER_DEPTH_BUFFER(r->builder, zs);
 171       gen6_3DSTATE_STENCIL_BUFFER(r->builder, zs);
 172       gen7_3DSTATE_CLEAR_PARAMS(r->builder, clear_params);
 173    }
 174 }
 175
 176 static void
 177 gen8_draw_wm_sample_pattern(struct ilo_render *r,
 178                             const struct ilo_state_vector *vec,
 179                             struct ilo_render_draw_session *session)
 180 {
 181    /* 3DSTATE_SAMPLE_PATTERN */
 182    if (r->hw_ctx_changed) {
 183       gen8_3DSTATE_SAMPLE_PATTERN(r->builder,
 184             &r->sample_pattern_1x,
 185             &r->sample_pattern_2x,
 186             &r->sample_pattern_4x,
 187             r->sample_pattern_8x,
 188             r->sample_pattern_16x);
 189    }
 190 }
 191
 192 static void
 193 gen8_draw_wm_multisample(struct ilo_render *r,
 194                          const struct ilo_state_vector *vec,
 195                          struct ilo_render_draw_session *session)
 196 {
 197    /* 3DSTATE_MULTISAMPLE */
 198    if (session->rs_delta.dirty & ILO_STATE_RASTER_3DSTATE_MULTISAMPLE)
 199       gen8_3DSTATE_MULTISAMPLE(r->builder, &vec->rasterizer->rs);
 200
 201    /* 3DSTATE_SAMPLE_MASK */
 202    if (session->rs_delta.dirty & ILO_STATE_RASTER_3DSTATE_SAMPLE_MASK)
 203       gen6_3DSTATE_SAMPLE_MASK(r->builder, &vec->rasterizer->rs);
 204 }
 205
 206 static void
 207 gen8_draw_vf(struct ilo_render *r,
 208              const struct ilo_state_vector *vec,
 209              struct ilo_render_draw_session *session)
 210 {
 211    int i;
 212
 213    /* 3DSTATE_INDEX_BUFFER */
 214    if (DIRTY(IB) || r->batch_bo_changed)
 215       gen8_3DSTATE_INDEX_BUFFER(r->builder, &vec->ib);
 216
 217    /* 3DSTATE_VF */
 218    if (session->primitive_restart_changed) {
 219       gen75_3DSTATE_VF(r->builder, vec->draw->primitive_restart,
 220             vec->draw->restart_index);
 221    }
 222
 223    /* 3DSTATE_VERTEX_BUFFERS */
 224    if (DIRTY(VB) || DIRTY(VE) || r->batch_bo_changed)
 225       gen6_3DSTATE_VERTEX_BUFFERS(r->builder, vec->ve, &vec->vb);
 226
 227    /* 3DSTATE_VERTEX_ELEMENTS */
 228    if (DIRTY(VE))
 229       gen6_3DSTATE_VERTEX_ELEMENTS(r->builder, vec->ve);
 230
 231    gen8_3DSTATE_VF_TOPOLOGY(r->builder, vec->draw->mode);
 232
 233    for (i = 0; i < vec->ve->vb_count; i++) {
 234       gen8_3DSTATE_VF_INSTANCING(r->builder, i,
 235             vec->ve->instance_divisors[i]);
 236    }
 237
 238    gen8_3DSTATE_VF_SGVS(r->builder,
 239          false, 0, 0,
 240          false, 0, 0);
 241 }
 242
 243 void
 244 ilo_render_emit_draw_commands_gen8(struct ilo_render *render,
 245                                    const struct ilo_state_vector *vec,
 246                                    struct ilo_render_draw_session *session)
 247 {
 248    ILO_DEV_ASSERT(render->dev, 8, 8);
 249
 250    /*
 251     * We try to keep the order of the commands match, as closely as possible,
 252     * that of the classic i965 driver.  It allows us to compare the command
 253     * streams easily.
 254     */
 255    gen6_draw_common_select(render, vec, session);
 256    gen6_draw_common_sip(render, vec, session);
 257    gen6_draw_vf_statistics(render, vec, session);
 258    gen8_draw_wm_sample_pattern(render, vec, session);
 259    gen6_draw_common_base_address(render, vec, session);
 260    gen7_draw_common_pointers_1(render, vec, session);
 261    gen7_draw_common_pcb_alloc(render, vec, session);
 262    gen7_draw_common_urb(render, vec, session);
 263    gen7_draw_common_pointers_2(render, vec, session);
 264    gen8_draw_wm_multisample(render, vec, session);
 265    gen7_draw_gs(render, vec, session);
 266    gen7_draw_hs(render, vec, session);
 267    gen7_draw_te(render, vec, session);
 268    gen7_draw_ds(render, vec, session);
 269    gen7_draw_vs(render, vec, session);
 270    gen7_draw_sol(render, vec, session);
 271    gen6_draw_clip(render, vec, session);
 272    gen8_draw_sf(render, vec, session);
 273    gen8_draw_wm(render, vec, session);
 274    gen6_draw_wm_raster(render, vec, session);
 275    gen6_draw_sf_rect(render, vec, session);
 276    gen8_draw_vf(render, vec, session);
 277
 278    ilo_render_3dprimitive(render, vec->draw, &vec->ib);
 279 }
 280
 281 int
 282 ilo_render_get_draw_commands_len_gen8(const struct ilo_render *render,
 283                                       const struct ilo_state_vector *vec)
 284 {
 285    static int len;
 286
 287    ILO_DEV_ASSERT(render->dev, 8, 8);
 288
 289    if (!len) {
 290       len += GEN7_3DSTATE_URB_ANY__SIZE * 4;
 291       len += GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_ANY__SIZE * 5;
 292       len += GEN6_3DSTATE_CONSTANT_ANY__SIZE * 5;
 293       len += GEN7_3DSTATE_POINTERS_ANY__SIZE * (5 + 5 + 4);
 294       len += GEN7_3DSTATE_SO_BUFFER__SIZE * 4;
 295       len += GEN6_PIPE_CONTROL__SIZE * 5;
 296
 297       len +=
 298          GEN6_STATE_BASE_ADDRESS__SIZE +
 299          GEN6_STATE_SIP__SIZE +
 300          GEN6_3DSTATE_VF_STATISTICS__SIZE +
 301          GEN6_PIPELINE_SELECT__SIZE +
 302          GEN6_3DSTATE_CLEAR_PARAMS__SIZE +
 303          GEN6_3DSTATE_DEPTH_BUFFER__SIZE +
 304          GEN6_3DSTATE_STENCIL_BUFFER__SIZE +
 305          GEN6_3DSTATE_HIER_DEPTH_BUFFER__SIZE +
 306          GEN6_3DSTATE_VERTEX_BUFFERS__SIZE +
 307          GEN6_3DSTATE_VERTEX_ELEMENTS__SIZE +
 308          GEN6_3DSTATE_INDEX_BUFFER__SIZE +
 309          GEN75_3DSTATE_VF__SIZE +
 310          GEN6_3DSTATE_VS__SIZE +
 311          GEN6_3DSTATE_GS__SIZE +
 312          GEN6_3DSTATE_CLIP__SIZE +
 313          GEN6_3DSTATE_SF__SIZE +
 314          GEN6_3DSTATE_WM__SIZE +
 315          GEN6_3DSTATE_SAMPLE_MASK__SIZE +
 316          GEN7_3DSTATE_HS__SIZE +
 317          GEN7_3DSTATE_TE__SIZE +
 318          GEN7_3DSTATE_DS__SIZE +
 319          GEN7_3DSTATE_STREAMOUT__SIZE +
 320          GEN7_3DSTATE_SBE__SIZE +
 321          GEN7_3DSTATE_PS__SIZE +
 322          GEN6_3DSTATE_DRAWING_RECTANGLE__SIZE +
 323          GEN6_3DSTATE_POLY_STIPPLE_OFFSET__SIZE +
 324          GEN6_3DSTATE_POLY_STIPPLE_PATTERN__SIZE +
 325          GEN6_3DSTATE_LINE_STIPPLE__SIZE +
 326          GEN6_3DSTATE_AA_LINE_PARAMETERS__SIZE +
 327          GEN6_3DSTATE_MULTISAMPLE__SIZE +
 328          GEN7_3DSTATE_SO_DECL_LIST__SIZE +
 329          GEN6_3DPRIMITIVE__SIZE;
 330
 331       len +=
 332          GEN8_3DSTATE_VF_INSTANCING__SIZE * 33 +
 333          GEN8_3DSTATE_VF_SGVS__SIZE +
 334          GEN8_3DSTATE_VF_TOPOLOGY__SIZE +
 335          GEN8_3DSTATE_SBE_SWIZ__SIZE +
 336          GEN8_3DSTATE_RASTER__SIZE +
 337          GEN8_3DSTATE_WM_CHROMAKEY__SIZE +
 338          GEN8_3DSTATE_WM_DEPTH_STENCIL__SIZE +
 339          GEN8_3DSTATE_WM_HZ_OP__SIZE +
 340          GEN8_3DSTATE_PS_EXTRA__SIZE +
 341          GEN8_3DSTATE_PS_BLEND__SIZE +
 342          GEN8_3DSTATE_SAMPLE_PATTERN__SIZE;
 343    }
 344
 345    return len;
 346 }
 347
 348 int
 349 ilo_render_get_rectlist_commands_len_gen8(const struct ilo_render *render,
 350                                           const struct ilo_blitter *blitter)
 351 {
 352    ILO_DEV_ASSERT(render->dev, 8, 8);
 353
 354    return 96;
 355 }
 356
 357 void
 358 ilo_render_emit_rectlist_commands_gen8(struct ilo_render *r,
 359                                        const struct ilo_blitter *blitter,
 360                                        const struct ilo_render_rectlist_session *session)
 361 {
 362    ILO_DEV_ASSERT(r->dev, 8, 8);
 363
 364    gen8_wa_pre_depth(r);
 365
 366    if (blitter->uses & (ILO_BLITTER_USE_FB_DEPTH |
 367                         ILO_BLITTER_USE_FB_STENCIL))
 368       gen6_3DSTATE_DEPTH_BUFFER(r->builder, &blitter->fb.dst.u.zs);
 369
 370    if (blitter->uses & ILO_BLITTER_USE_FB_DEPTH) {
 371       gen6_3DSTATE_HIER_DEPTH_BUFFER(r->builder,
 372             &blitter->fb.dst.u.zs);
 373    }
 374
 375    if (blitter->uses & ILO_BLITTER_USE_FB_STENCIL) {
 376       gen6_3DSTATE_STENCIL_BUFFER(r->builder,
 377             &blitter->fb.dst.u.zs);
 378    }
 379
 380    gen7_3DSTATE_CLEAR_PARAMS(r->builder,
 381          blitter->depth_clear_value);
 382
 383    gen6_3DSTATE_DRAWING_RECTANGLE(r->builder, 0, 0,
 384          blitter->fb.width, blitter->fb.height);
 385
 386    gen8_3DSTATE_WM_HZ_OP(r->builder, &blitter->fb.rs,
 387          blitter->fb.width, blitter->fb.height);
 388
 389    ilo_render_pipe_control(r, GEN6_PIPE_CONTROL_WRITE_IMM);
 390
 391    gen8_disable_3DSTATE_WM_HZ_OP(r->builder);
 392 }