src/gallium/drivers/lima/lima_draw.c

   1 /*
   2  * Copyright (c) 2011-2013 Luc Verhaegen <libv@skynet.be>
   3  * Copyright (c) 2017-2019 Lima Project
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * 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 NON-INFRINGEMENT. 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  */
  25
  26 #include "util/format/u_format.h"
  27 #include "util/u_debug.h"
  28 #include "util/u_half.h"
  29 #include "util/u_helpers.h"
  30 #include "util/u_inlines.h"
  31 #include "util/u_pack_color.h"
  32 #include "util/u_split_draw.h"
  33 #include "util/u_upload_mgr.h"
  34 #include "util/u_prim.h"
  35 #include "util/u_vbuf.h"
  36 #include "util/hash_table.h"
  37
  38 #include "lima_context.h"
  39 #include "lima_screen.h"
  40 #include "lima_resource.h"
  41 #include "lima_program.h"
  42 #include "lima_bo.h"
  43 #include "lima_submit.h"
  44 #include "lima_texture.h"
  45 #include "lima_util.h"
  46 #include "lima_gpu.h"
  47
  48 #include <drm-uapi/lima_drm.h>
  49
  50 static bool
  51 lima_is_scissor_zero(struct lima_context *ctx)
  52 {
  53    if (!ctx->rasterizer || !ctx->rasterizer->base.scissor)
  54       return false;
  55
  56    struct pipe_scissor_state *scissor = &ctx->scissor;
  57    return
  58       scissor->minx == scissor->maxx
  59       && scissor->miny == scissor->maxy;
  60 }
  61
  62 static void
  63 lima_update_submit_wb(struct lima_context *ctx, unsigned buffers)
  64 {
  65    struct lima_submit *submit = lima_submit_get(ctx);
  66    struct lima_context_framebuffer *fb = &ctx->framebuffer;
  67
  68    /* add to submit when the buffer is dirty and resolve is clear (not added before) */
  69    if (fb->base.nr_cbufs && (buffers & PIPE_CLEAR_COLOR0) &&
  70        !(submit->resolve & PIPE_CLEAR_COLOR0)) {
  71       struct lima_resource *res = lima_resource(fb->base.cbufs[0]->texture);
  72       lima_flush_submit_accessing_bo(ctx, res->bo, true);
  73       _mesa_hash_table_insert(ctx->write_submits, &res->base, submit);
  74       lima_submit_add_bo(submit, LIMA_PIPE_PP, res->bo, LIMA_SUBMIT_BO_WRITE);
  75    }
  76
  77    /* add to submit when the buffer is dirty and resolve is clear (not added before) */
  78    if (fb->base.zsbuf && (buffers & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) &&
  79        !(submit->resolve & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL))) {
  80       struct lima_resource *res = lima_resource(fb->base.zsbuf->texture);
  81       lima_flush_submit_accessing_bo(ctx, res->bo, true);
  82       _mesa_hash_table_insert(ctx->write_submits, &res->base, submit);
  83       lima_submit_add_bo(submit, LIMA_PIPE_PP, res->bo, LIMA_SUBMIT_BO_WRITE);
  84    }
  85
  86    submit->resolve |= buffers;
  87 }
  88
  89 static void
  90 lima_damage_rect_union(struct pipe_scissor_state *rect,
  91                        unsigned minx, unsigned maxx,
  92                        unsigned miny, unsigned maxy)
  93 {
  94    rect->minx = MIN2(rect->minx, minx);
  95    rect->miny = MIN2(rect->miny, miny);
  96    rect->maxx = MAX2(rect->maxx, maxx);
  97    rect->maxy = MAX2(rect->maxy, maxy);
  98 }
  99
 100 static void
 101 lima_clear(struct pipe_context *pctx, unsigned buffers,
 102            const union pipe_color_union *color, double depth, unsigned stencil)
 103 {
 104    struct lima_context *ctx = lima_context(pctx);
 105    struct lima_submit *submit = lima_submit_get(ctx);
 106
 107    /* flush if this submit already contains any draw, otherwise multi clear can be
 108     * combined into a single submit */
 109    if (lima_submit_has_draw_pending(submit)) {
 110       lima_do_submit(submit);
 111       submit = lima_submit_get(ctx);
 112    }
 113
 114    lima_update_submit_wb(ctx, buffers);
 115
 116    /* no need to reload if cleared */
 117    if (ctx->framebuffer.base.nr_cbufs && (buffers & PIPE_CLEAR_COLOR0)) {
 118       struct lima_surface *surf = lima_surface(ctx->framebuffer.base.cbufs[0]);
 119       surf->reload = false;
 120    }
 121
 122    struct lima_submit_clear *clear = &submit->clear;
 123    clear->buffers = buffers;
 124
 125    if (buffers & PIPE_CLEAR_COLOR0) {
 126       clear->color_8pc =
 127          ((uint32_t)float_to_ubyte(color->f[3]) << 24) |
 128          ((uint32_t)float_to_ubyte(color->f[2]) << 16) |
 129          ((uint32_t)float_to_ubyte(color->f[1]) << 8) |
 130          float_to_ubyte(color->f[0]);
 131
 132       clear->color_16pc =
 133          ((uint64_t)float_to_ushort(color->f[3]) << 48) |
 134          ((uint64_t)float_to_ushort(color->f[2]) << 32) |
 135          ((uint64_t)float_to_ushort(color->f[1]) << 16) |
 136          float_to_ushort(color->f[0]);
 137    }
 138
 139    if (buffers & PIPE_CLEAR_DEPTH)
 140       clear->depth = util_pack_z(PIPE_FORMAT_Z24X8_UNORM, depth);
 141
 142    if (buffers & PIPE_CLEAR_STENCIL)
 143       clear->stencil = stencil;
 144
 145    ctx->dirty |= LIMA_CONTEXT_DIRTY_CLEAR;
 146
 147    lima_damage_rect_union(&submit->damage_rect,
 148                           0, ctx->framebuffer.base.width,
 149                           0, ctx->framebuffer.base.height);
 150 }
 151
 152 enum lima_attrib_type {
 153    LIMA_ATTRIB_FLOAT = 0x000,
 154    /* todo: find out what lives here. */
 155    LIMA_ATTRIB_I16   = 0x004,
 156    LIMA_ATTRIB_U16   = 0x005,
 157    LIMA_ATTRIB_I8    = 0x006,
 158    LIMA_ATTRIB_U8    = 0x007,
 159    LIMA_ATTRIB_I8N   = 0x008,
 160    LIMA_ATTRIB_U8N   = 0x009,
 161    LIMA_ATTRIB_I16N  = 0x00A,
 162    LIMA_ATTRIB_U16N  = 0x00B,
 163    /* todo: where is the 32 int */
 164    /* todo: find out what lives here. */
 165    LIMA_ATTRIB_FIXED = 0x101
 166 };
 167
 168 static enum lima_attrib_type
 169 lima_pipe_format_to_attrib_type(enum pipe_format format)
 170 {
 171    const struct util_format_description *desc = util_format_description(format);
 172    int i = util_format_get_first_non_void_channel(format);
 173    const struct util_format_channel_description *c = desc->channel + i;
 174
 175    switch (c->type) {
 176    case UTIL_FORMAT_TYPE_FLOAT:
 177       return LIMA_ATTRIB_FLOAT;
 178    case UTIL_FORMAT_TYPE_FIXED:
 179       return LIMA_ATTRIB_FIXED;
 180    case UTIL_FORMAT_TYPE_SIGNED:
 181       if (c->size == 8) {
 182          if (c->normalized)
 183             return LIMA_ATTRIB_I8N;
 184          else
 185             return LIMA_ATTRIB_I8;
 186       }
 187       else if (c->size == 16) {
 188          if (c->normalized)
 189             return LIMA_ATTRIB_I16N;
 190          else
 191             return LIMA_ATTRIB_I16;
 192       }
 193       break;
 194    case UTIL_FORMAT_TYPE_UNSIGNED:
 195       if (c->size == 8) {
 196          if (c->normalized)
 197             return LIMA_ATTRIB_U8N;
 198          else
 199             return LIMA_ATTRIB_U8;
 200       }
 201       else if (c->size == 16) {
 202          if (c->normalized)
 203             return LIMA_ATTRIB_U16N;
 204          else
 205             return LIMA_ATTRIB_U16;
 206       }
 207       break;
 208    }
 209
 210    return LIMA_ATTRIB_FLOAT;
 211 }
 212
 213 static void
 214 lima_pack_vs_cmd(struct lima_context *ctx, const struct pipe_draw_info *info)
 215 {
 216    struct lima_submit *submit = lima_submit_get(ctx);
 217
 218    VS_CMD_BEGIN(&submit->vs_cmd_array, 24);
 219
 220    if (!info->index_size) {
 221       VS_CMD_ARRAYS_SEMAPHORE_BEGIN_1();
 222       VS_CMD_ARRAYS_SEMAPHORE_BEGIN_2();
 223    }
 224
 225    int uniform_size = ctx->vs->uniform_pending_offset + ctx->vs->constant_size + 32;
 226    VS_CMD_UNIFORMS_ADDRESS(
 227       lima_ctx_buff_va(ctx, lima_ctx_buff_gp_uniform),
 228       align(uniform_size, 16));
 229
 230    VS_CMD_SHADER_ADDRESS(ctx->vs->bo->va, ctx->vs->shader_size);
 231    VS_CMD_SHADER_INFO(ctx->vs->prefetch, ctx->vs->shader_size);
 232
 233    int num_outputs = ctx->vs->num_outputs;
 234    int num_attributes = ctx->vertex_elements->num_elements;
 235    VS_CMD_VARYING_ATTRIBUTE_COUNT(num_outputs, MAX2(1, num_attributes));
 236
 237    VS_CMD_UNKNOWN1();
 238
 239    VS_CMD_ATTRIBUTES_ADDRESS(
 240       lima_ctx_buff_va(ctx, lima_ctx_buff_gp_attribute_info),
 241       MAX2(1, num_attributes));
 242
 243    VS_CMD_VARYINGS_ADDRESS(
 244       lima_ctx_buff_va(ctx, lima_ctx_buff_gp_varying_info),
 245       num_outputs);
 246
 247    unsigned num = info->index_size ? (ctx->max_index - ctx->min_index + 1) : info->count;
 248    VS_CMD_DRAW(num, info->index_size);
 249
 250    VS_CMD_UNKNOWN2();
 251
 252    VS_CMD_ARRAYS_SEMAPHORE_END(info->index_size);
 253
 254    VS_CMD_END();
 255 }
 256
 257 static void
 258 lima_pack_plbu_cmd(struct lima_context *ctx, const struct pipe_draw_info *info)
 259 {
 260    struct lima_context_framebuffer *fb = &ctx->framebuffer;
 261    struct lima_vs_shader_state *vs = ctx->vs;
 262    unsigned minx, maxx, miny, maxy;
 263
 264    /* If it's zero scissor, we skip adding all other commands */
 265    if (lima_is_scissor_zero(ctx))
 266       return;
 267
 268    struct lima_submit *submit = lima_submit_get(ctx);
 269    PLBU_CMD_BEGIN(&submit->plbu_cmd_array, 32);
 270
 271    PLBU_CMD_VIEWPORT_LEFT(fui(ctx->viewport.left));
 272    PLBU_CMD_VIEWPORT_RIGHT(fui(ctx->viewport.right));
 273    PLBU_CMD_VIEWPORT_BOTTOM(fui(ctx->viewport.bottom));
 274    PLBU_CMD_VIEWPORT_TOP(fui(ctx->viewport.top));
 275
 276    if (!info->index_size)
 277       PLBU_CMD_ARRAYS_SEMAPHORE_BEGIN();
 278
 279    int cf = ctx->rasterizer->base.cull_face;
 280    int ccw = ctx->rasterizer->base.front_ccw;
 281    uint32_t cull = 0;
 282    bool force_point_size = false;
 283
 284    if (cf != PIPE_FACE_NONE) {
 285       if (cf & PIPE_FACE_FRONT)
 286          cull |= ccw ? 0x00040000 : 0x00020000;
 287       if (cf & PIPE_FACE_BACK)
 288          cull |= ccw ? 0x00020000 : 0x00040000;
 289    }
 290
 291    /* Specify point size with PLBU command if shader doesn't write */
 292    if (info->mode == PIPE_PRIM_POINTS && ctx->vs->point_size_idx == -1)
 293       force_point_size = true;
 294
 295    /* Specify line width with PLBU command for lines */
 296    if (info->mode > PIPE_PRIM_POINTS && info->mode < PIPE_PRIM_TRIANGLES)
 297       force_point_size = true;
 298
 299    PLBU_CMD_PRIMITIVE_SETUP(force_point_size, cull, info->index_size);
 300
 301    PLBU_CMD_RSW_VERTEX_ARRAY(
 302       lima_ctx_buff_va(ctx, lima_ctx_buff_pp_plb_rsw),
 303       ctx->gp_output->va);
 304
 305    /* TODO
 306     * - we should set it only for the first draw that enabled the scissor and for
 307     *   latter draw only if scissor is dirty
 308     */
 309    if (ctx->rasterizer->base.scissor) {
 310       struct pipe_scissor_state *scissor = &ctx->scissor;
 311       minx = scissor->minx;
 312       maxx = scissor->maxx;
 313       miny = scissor->miny;
 314       maxy = scissor->maxy;
 315    } else {
 316       minx = 0;
 317       maxx = fb->base.width;
 318       miny = 0;
 319       maxy = fb->base.height;
 320    }
 321
 322    minx = MAX2(minx, ctx->viewport.left);
 323    maxx = MIN2(maxx, ctx->viewport.right);
 324    miny = MAX2(miny, ctx->viewport.bottom);
 325    maxy = MIN2(maxy, ctx->viewport.top);
 326
 327    PLBU_CMD_SCISSORS(minx, maxx, miny, maxy);
 328    lima_damage_rect_union(&submit->damage_rect, minx, maxx, miny, maxy);
 329
 330    PLBU_CMD_UNKNOWN1();
 331
 332    PLBU_CMD_DEPTH_RANGE_NEAR(fui(ctx->viewport.near));
 333    PLBU_CMD_DEPTH_RANGE_FAR(fui(ctx->viewport.far));
 334
 335    if ((info->mode == PIPE_PRIM_POINTS && ctx->vs->point_size_idx == -1) ||
 336        ((info->mode >= PIPE_PRIM_LINES) && (info->mode < PIPE_PRIM_TRIANGLES)))
 337    {
 338       uint32_t v = info->mode == PIPE_PRIM_POINTS ?
 339          fui(ctx->rasterizer->base.point_size) : fui(ctx->rasterizer->base.line_width);
 340       PLBU_CMD_LOW_PRIM_SIZE(v);
 341    }
 342
 343    if (info->index_size) {
 344       PLBU_CMD_INDEXED_DEST(ctx->gp_output->va);
 345       if (vs->point_size_idx != -1)
 346          PLBU_CMD_INDEXED_PT_SIZE(ctx->gp_output->va + ctx->gp_output_point_size_offt);
 347
 348       PLBU_CMD_INDICES(ctx->index_res->bo->va + info->start * info->index_size + ctx->index_offset);
 349    }
 350    else {
 351       /* can this make the attribute info static? */
 352       PLBU_CMD_DRAW_ARRAYS(info->mode, info->start, info->count);
 353    }
 354
 355    PLBU_CMD_ARRAYS_SEMAPHORE_END();
 356
 357    if (info->index_size)
 358       PLBU_CMD_DRAW_ELEMENTS(info->mode, ctx->min_index, info->count);
 359
 360    PLBU_CMD_END();
 361 }
 362
 363 static int
 364 lima_blend_func(enum pipe_blend_func pipe)
 365 {
 366    switch (pipe) {
 367    case PIPE_BLEND_ADD:
 368       return 2;
 369    case PIPE_BLEND_SUBTRACT:
 370       return 0;
 371    case PIPE_BLEND_REVERSE_SUBTRACT:
 372       return 1;
 373    case PIPE_BLEND_MIN:
 374       return 4;
 375    case PIPE_BLEND_MAX:
 376       return 5;
 377    }
 378    return -1;
 379 }
 380
 381 static int
 382 lima_blend_factor_has_alpha(enum pipe_blendfactor pipe)
 383 {
 384    /* Bit 4 is set if the blendfactor uses alpha */
 385    switch (pipe) {
 386    case PIPE_BLENDFACTOR_SRC_ALPHA:
 387    case PIPE_BLENDFACTOR_DST_ALPHA:
 388    case PIPE_BLENDFACTOR_CONST_ALPHA:
 389    case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
 390    case PIPE_BLENDFACTOR_INV_DST_ALPHA:
 391    case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
 392       return 1;
 393
 394    case PIPE_BLENDFACTOR_SRC_COLOR:
 395    case PIPE_BLENDFACTOR_INV_SRC_COLOR:
 396    case PIPE_BLENDFACTOR_DST_COLOR:
 397    case PIPE_BLENDFACTOR_INV_DST_COLOR:
 398    case PIPE_BLENDFACTOR_CONST_COLOR:
 399    case PIPE_BLENDFACTOR_INV_CONST_COLOR:
 400    case PIPE_BLENDFACTOR_ZERO:
 401    case PIPE_BLENDFACTOR_ONE:
 402    case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
 403       return 0;
 404
 405    case PIPE_BLENDFACTOR_SRC1_COLOR:
 406    case PIPE_BLENDFACTOR_SRC1_ALPHA:
 407    case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
 408    case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
 409       return -1; /* not supported */
 410    }
 411    return -1;
 412 }
 413
 414 static int
 415 lima_blend_factor_is_inv(enum pipe_blendfactor pipe)
 416 {
 417    /* Bit 3 is set if the blendfactor type is inverted */
 418    switch (pipe) {
 419    case PIPE_BLENDFACTOR_INV_SRC_COLOR:
 420    case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
 421    case PIPE_BLENDFACTOR_INV_DST_COLOR:
 422    case PIPE_BLENDFACTOR_INV_DST_ALPHA:
 423    case PIPE_BLENDFACTOR_INV_CONST_COLOR:
 424    case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
 425    case PIPE_BLENDFACTOR_ONE:
 426       return 1;
 427
 428    case PIPE_BLENDFACTOR_SRC_COLOR:
 429    case PIPE_BLENDFACTOR_SRC_ALPHA:
 430    case PIPE_BLENDFACTOR_DST_COLOR:
 431    case PIPE_BLENDFACTOR_DST_ALPHA:
 432    case PIPE_BLENDFACTOR_CONST_COLOR:
 433    case PIPE_BLENDFACTOR_CONST_ALPHA:
 434    case PIPE_BLENDFACTOR_ZERO:
 435    case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
 436       return 0;
 437
 438    case PIPE_BLENDFACTOR_SRC1_COLOR:
 439    case PIPE_BLENDFACTOR_SRC1_ALPHA:
 440    case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
 441    case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
 442       return -1; /* not supported */
 443    }
 444    return -1;
 445 }
 446
 447 static int
 448 lima_blend_factor(enum pipe_blendfactor pipe)
 449 {
 450    /* Bits 0-2 indicate the blendfactor type */
 451    switch (pipe) {
 452    case PIPE_BLENDFACTOR_SRC_COLOR:
 453    case PIPE_BLENDFACTOR_SRC_ALPHA:
 454    case PIPE_BLENDFACTOR_INV_SRC_COLOR:
 455    case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
 456       return 0;
 457
 458    case PIPE_BLENDFACTOR_DST_COLOR:
 459    case PIPE_BLENDFACTOR_DST_ALPHA:
 460    case PIPE_BLENDFACTOR_INV_DST_COLOR:
 461    case PIPE_BLENDFACTOR_INV_DST_ALPHA:
 462       return 1;
 463
 464    case PIPE_BLENDFACTOR_CONST_COLOR:
 465    case PIPE_BLENDFACTOR_CONST_ALPHA:
 466    case PIPE_BLENDFACTOR_INV_CONST_COLOR:
 467    case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
 468       return 2;
 469
 470    case PIPE_BLENDFACTOR_ZERO:
 471    case PIPE_BLENDFACTOR_ONE:
 472       return 3;
 473
 474    case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
 475       return 4;
 476
 477    case PIPE_BLENDFACTOR_SRC1_COLOR:
 478    case PIPE_BLENDFACTOR_SRC1_ALPHA:
 479    case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
 480    case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
 481       return -1; /* not supported */
 482    }
 483    return -1;
 484 }
 485
 486 static int
 487 lima_calculate_alpha_blend(enum pipe_blend_func rgb_func, enum pipe_blend_func alpha_func,
 488                            enum pipe_blendfactor rgb_src_factor, enum pipe_blendfactor rgb_dst_factor,
 489                            enum pipe_blendfactor alpha_src_factor, enum pipe_blendfactor alpha_dst_factor)
 490 {
 491    /* PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE has to be changed to PIPE_BLENDFACTOR_ONE
 492     * if it is set for alpha_src.
 493     */
 494    if (alpha_src_factor == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE)
 495       alpha_src_factor = PIPE_BLENDFACTOR_ONE;
 496
 497    return lima_blend_func(rgb_func) |
 498       (lima_blend_func(alpha_func) << 3) |
 499
 500       (lima_blend_factor(rgb_src_factor) << 6) |
 501       (lima_blend_factor_is_inv(rgb_src_factor) << 9) |
 502       (lima_blend_factor_has_alpha(rgb_src_factor) << 10) |
 503
 504       (lima_blend_factor(rgb_dst_factor) << 11) |
 505       (lima_blend_factor_is_inv(rgb_dst_factor) << 14) |
 506       (lima_blend_factor_has_alpha(rgb_dst_factor) << 15) |
 507
 508       (lima_blend_factor(alpha_src_factor) << 16) |
 509       (lima_blend_factor_is_inv(alpha_src_factor) << 19) |
 510
 511       (lima_blend_factor(alpha_dst_factor) << 20) |
 512       (lima_blend_factor_is_inv(alpha_dst_factor) << 23) |
 513       0x0C000000; /* need to check if this is GLESv1 glAlphaFunc */
 514 }
 515
 516 static int
 517 lima_stencil_op(enum pipe_stencil_op pipe)
 518 {
 519    switch (pipe) {
 520    case PIPE_STENCIL_OP_KEEP:
 521       return 0;
 522    case PIPE_STENCIL_OP_ZERO:
 523       return 2;
 524    case PIPE_STENCIL_OP_REPLACE:
 525       return 1;
 526    case PIPE_STENCIL_OP_INCR:
 527       return 6;
 528    case PIPE_STENCIL_OP_DECR:
 529       return 7;
 530    case PIPE_STENCIL_OP_INCR_WRAP:
 531       return 4;
 532    case PIPE_STENCIL_OP_DECR_WRAP:
 533       return 5;
 534    case PIPE_STENCIL_OP_INVERT:
 535       return 3;
 536    }
 537    return -1;
 538 }
 539
 540 static unsigned
 541 lima_calculate_depth_test(struct pipe_depth_state *depth, struct pipe_rasterizer_state *rst)
 542 {
 543    int offset_scale = 0, offset_units = 0;
 544    enum pipe_compare_func func = (depth->enabled ? depth->func : PIPE_FUNC_ALWAYS);
 545
 546    offset_scale = CLAMP(rst->offset_scale * 4, -128, 127);
 547    if (offset_scale < 0)
 548       offset_scale += 0x100;
 549
 550    offset_units = CLAMP(rst->offset_units * 2, -128, 127);
 551    if (offset_units < 0)
 552       offset_units += 0x100;
 553
 554    return (depth->enabled && depth->writemask) |
 555       ((int)func << 1) |
 556       (offset_scale << 16) |
 557       (offset_units << 24) |
 558       0x30; /* find out what is this */
 559 }
 560
 561 static void
 562 lima_pack_render_state(struct lima_context *ctx, const struct pipe_draw_info *info)
 563 {
 564    struct lima_fs_shader_state *fs = ctx->fs;
 565    struct lima_render_state *render =
 566       lima_ctx_buff_alloc(ctx, lima_ctx_buff_pp_plb_rsw,
 567                           sizeof(*render));
 568    bool early_z = true;
 569    bool pixel_kill = true;
 570
 571    /* do hw support RGBA independ blend?
 572     * PIPE_CAP_INDEP_BLEND_ENABLE
 573     *
 574     * how to handle the no cbuf only zbuf case?
 575     */
 576    struct pipe_rt_blend_state *rt = ctx->blend->base.rt;
 577    render->blend_color_bg = float_to_ubyte(ctx->blend_color.color[2]) |
 578       (float_to_ubyte(ctx->blend_color.color[1]) << 16);
 579    render->blend_color_ra = float_to_ubyte(ctx->blend_color.color[0]) |
 580       (float_to_ubyte(ctx->blend_color.color[3]) << 16);
 581
 582    if (rt->blend_enable) {
 583       render->alpha_blend = lima_calculate_alpha_blend(rt->rgb_func, rt->alpha_func,
 584          rt->rgb_src_factor, rt->rgb_dst_factor,
 585          rt->alpha_src_factor, rt->alpha_dst_factor);
 586    }
 587    else {
 588       /*
 589        * Special handling for blending disabled.
 590        * Binary driver is generating the same alpha_value,
 591        * as when we would just enable blending, without changing/setting any blend equation/params.
 592        * Normaly in this case mesa would set all rt fields (func/factor) to zero.
 593        */
 594       render->alpha_blend = lima_calculate_alpha_blend(PIPE_BLEND_ADD, PIPE_BLEND_ADD,
 595          PIPE_BLENDFACTOR_ONE, PIPE_BLENDFACTOR_ZERO,
 596          PIPE_BLENDFACTOR_ONE, PIPE_BLENDFACTOR_ZERO);
 597    }
 598
 599    render->alpha_blend |= (rt->colormask & PIPE_MASK_RGBA) << 28;
 600
 601    struct pipe_rasterizer_state *rst = &ctx->rasterizer->base;
 602    struct pipe_depth_state *depth = &ctx->zsa->base.depth;
 603    render->depth_test = lima_calculate_depth_test(depth, rst);
 604
 605    ushort far, near;
 606
 607    near = float_to_ushort(ctx->viewport.near);
 608    far = float_to_ushort(ctx->viewport.far);
 609
 610    /* Subtract epsilon from 'near' if far == near. Make sure we don't get overflow */
 611    if ((far == near) && (near != 0))
 612          near--;
 613
 614    /* overlap with plbu? any place can remove one? */
 615    render->depth_range = near | (far << 16);
 616
 617    struct pipe_stencil_state *stencil = ctx->zsa->base.stencil;
 618    struct pipe_stencil_ref *ref = &ctx->stencil_ref;
 619
 620    if (stencil[0].enabled) { /* stencil is enabled */
 621       render->stencil_front = stencil[0].func |
 622          (lima_stencil_op(stencil[0].fail_op) << 3) |
 623          (lima_stencil_op(stencil[0].zfail_op) << 6) |
 624          (lima_stencil_op(stencil[0].zpass_op) << 9) |
 625          (ref->ref_value[0] << 16) |
 626          (stencil[0].valuemask << 24);
 627       render->stencil_back = render->stencil_front;
 628       render->stencil_test = (stencil[0].writemask & 0xff) | (stencil[0].writemask & 0xff) << 8;
 629       if (stencil[1].enabled) { /* two-side is enabled */
 630          render->stencil_back = stencil[1].func |
 631             (lima_stencil_op(stencil[1].fail_op) << 3) |
 632             (lima_stencil_op(stencil[1].zfail_op) << 6) |
 633             (lima_stencil_op(stencil[1].zpass_op) << 9) |
 634             (ref->ref_value[1] << 16) |
 635             (stencil[1].valuemask << 24);
 636          render->stencil_test = (stencil[0].writemask & 0xff) | (stencil[1].writemask & 0xff) << 8;
 637       }
 638       /* TODO: Find out, what (render->stecil_test & 0xffff0000) is.
 639        * 0x00ff0000 is probably (float_to_ubyte(alpha->ref_value) << 16)
 640        * (render->multi_sample & 0x00000007 is probably the compare function
 641        * of glAlphaFunc then.
 642        */
 643    }
 644    else {
 645       /* Default values, when stencil is disabled:
 646        * stencil[0|1].valuemask = 0xff
 647        * stencil[0|1].func = PIPE_FUNC_ALWAYS
 648        * stencil[0|1].writemask = 0xff
 649        */
 650       render->stencil_front = 0xff000007;
 651       render->stencil_back = 0xff000007;
 652       render->stencil_test = 0x0000ffff;
 653    }
 654
 655    /* need more investigation */
 656    if (info->mode == PIPE_PRIM_POINTS)
 657       render->multi_sample = 0x0000F007;
 658    else if (info->mode < PIPE_PRIM_TRIANGLES)
 659       render->multi_sample = 0x0000F407;
 660    else
 661       render->multi_sample = 0x0000F807;
 662    if (ctx->framebuffer.base.samples)
 663       render->multi_sample |= 0x68;
 664
 665    render->shader_address =
 666       ctx->fs->bo->va | (((uint32_t *)ctx->fs->bo->map)[0] & 0x1F);
 667
 668    /* seems not needed */
 669    render->uniforms_address = 0x00000000;
 670
 671    render->textures_address = 0x00000000;
 672
 673    render->aux0 = (ctx->vs->varying_stride >> 3);
 674    render->aux1 = 0x00001000;
 675    if (ctx->blend->base.dither)
 676       render->aux1 |= 0x00002000;
 677
 678    if (fs->uses_discard) {
 679       early_z = false;
 680       pixel_kill = false;
 681    }
 682
 683    if (rt->blend_enable)
 684       pixel_kill = false;
 685
 686    if ((rt->colormask & PIPE_MASK_RGBA) != PIPE_MASK_RGBA)
 687       pixel_kill = false;
 688
 689    if (early_z)
 690       render->aux0 |= 0x300;
 691
 692    if (pixel_kill)
 693       render->aux0 |= 0x1000;
 694
 695    if (ctx->tex_stateobj.num_samplers) {
 696       render->textures_address =
 697          lima_ctx_buff_va(ctx, lima_ctx_buff_pp_tex_desc);
 698       render->aux0 |= ctx->tex_stateobj.num_samplers << 14;
 699       render->aux0 |= 0x20;
 700    }
 701
 702    if (ctx->const_buffer[PIPE_SHADER_FRAGMENT].buffer) {
 703       render->uniforms_address =
 704          lima_ctx_buff_va(ctx, lima_ctx_buff_pp_uniform_array);
 705       uint32_t size = ctx->buffer_state[lima_ctx_buff_pp_uniform].size;
 706       uint32_t bits = 0;
 707       if (size >= 8) {
 708          bits = util_last_bit(size >> 3) - 1;
 709          bits += size & u_bit_consecutive(0, bits + 3) ? 1 : 0;
 710       }
 711       render->uniforms_address |= bits > 0xf ? 0xf : bits;
 712
 713       render->aux0 |= 0x80;
 714       render->aux1 |= 0x10000;
 715    }
 716
 717    if (ctx->vs->num_varyings) {
 718       render->varying_types = 0x00000000;
 719       render->varyings_address = ctx->gp_output->va +
 720                                  ctx->gp_output_varyings_offt;
 721       for (int i = 0, index = 0; i < ctx->vs->num_outputs; i++) {
 722          int val;
 723
 724          if (i == ctx->vs->gl_pos_idx ||
 725              i == ctx->vs->point_size_idx)
 726             continue;
 727
 728          struct lima_varying_info *v = ctx->vs->varying + i;
 729          if (v->component_size == 4)
 730             val = v->components > 2 ? 0 : 1;
 731          else
 732             val = v->components > 2 ? 2 : 3;
 733
 734          if (index < 10)
 735             render->varying_types |= val << (3 * index);
 736          else if (index == 10) {
 737             render->varying_types |= val << 30;
 738             render->varyings_address |= val >> 2;
 739          }
 740          else if (index == 11)
 741             render->varyings_address |= val << 1;
 742
 743          index++;
 744       }
 745    }
 746    else {
 747       render->varying_types = 0x00000000;
 748       render->varyings_address = 0x00000000;
 749    }
 750
 751    struct lima_submit *submit = lima_submit_get(ctx);
 752
 753    lima_dump_command_stream_print(
 754       submit->dump, render, sizeof(*render),
 755       false, "add render state at va %x\n",
 756       lima_ctx_buff_va(ctx, lima_ctx_buff_pp_plb_rsw));
 757
 758    lima_dump_rsw_command_stream_print(
 759       submit->dump, render, sizeof(*render),
 760       lima_ctx_buff_va(ctx, lima_ctx_buff_pp_plb_rsw));
 761 }
 762
 763 static void
 764 lima_update_gp_attribute_info(struct lima_context *ctx, const struct pipe_draw_info *info)
 765 {
 766    struct lima_submit *submit = lima_submit_get(ctx);
 767    struct lima_vertex_element_state *ve = ctx->vertex_elements;
 768    struct lima_context_vertex_buffer *vb = &ctx->vertex_buffers;
 769
 770    uint32_t *attribute =
 771       lima_ctx_buff_alloc(ctx, lima_ctx_buff_gp_attribute_info,
 772                           MAX2(1, ve->num_elements) * 8);
 773
 774    int n = 0;
 775    for (int i = 0; i < ve->num_elements; i++) {
 776       struct pipe_vertex_element *pve = ve->pipe + i;
 777
 778       assert(pve->vertex_buffer_index < vb->count);
 779       assert(vb->enabled_mask & (1 << pve->vertex_buffer_index));
 780
 781       struct pipe_vertex_buffer *pvb = vb->vb + pve->vertex_buffer_index;
 782       struct lima_resource *res = lima_resource(pvb->buffer.resource);
 783
 784       lima_submit_add_bo(submit, LIMA_PIPE_GP, res->bo, LIMA_SUBMIT_BO_READ);
 785
 786       unsigned start = info->index_size ? (ctx->min_index + info->index_bias) : info->start;
 787       attribute[n++] = res->bo->va + pvb->buffer_offset + pve->src_offset
 788          + start * pvb->stride;
 789       attribute[n++] = (pvb->stride << 11) |
 790          (lima_pipe_format_to_attrib_type(pve->src_format) << 2) |
 791          (util_format_get_nr_components(pve->src_format) - 1);
 792    }
 793
 794    lima_dump_command_stream_print(
 795       submit->dump, attribute, n * 4, false, "update attribute info at va %x\n",
 796       lima_ctx_buff_va(ctx, lima_ctx_buff_gp_attribute_info));
 797 }
 798
 799 static void
 800 lima_update_gp_uniform(struct lima_context *ctx)
 801 {
 802    struct lima_context_constant_buffer *ccb =
 803       ctx->const_buffer + PIPE_SHADER_VERTEX;
 804    struct lima_vs_shader_state *vs = ctx->vs;
 805
 806    int size = vs->uniform_pending_offset + vs->constant_size + 32;
 807    void *vs_const_buff =
 808       lima_ctx_buff_alloc(ctx, lima_ctx_buff_gp_uniform, size);
 809
 810    if (ccb->buffer)
 811       memcpy(vs_const_buff, ccb->buffer, ccb->size);
 812
 813    memcpy(vs_const_buff + vs->uniform_pending_offset,
 814           ctx->viewport.transform.scale,
 815           sizeof(ctx->viewport.transform.scale));
 816    memcpy(vs_const_buff + vs->uniform_pending_offset + 16,
 817           ctx->viewport.transform.translate,
 818           sizeof(ctx->viewport.transform.translate));
 819
 820    if (vs->constant)
 821       memcpy(vs_const_buff + vs->uniform_pending_offset + 32,
 822              vs->constant, vs->constant_size);
 823
 824    struct lima_submit *submit = lima_submit_get(ctx);
 825
 826    lima_dump_command_stream_print(
 827       submit->dump, vs_const_buff, size, true,
 828       "update gp uniform at va %x\n",
 829       lima_ctx_buff_va(ctx, lima_ctx_buff_gp_uniform));
 830 }
 831
 832 static void
 833 lima_update_pp_uniform(struct lima_context *ctx)
 834 {
 835    const float *const_buff = ctx->const_buffer[PIPE_SHADER_FRAGMENT].buffer;
 836    size_t const_buff_size = ctx->const_buffer[PIPE_SHADER_FRAGMENT].size / sizeof(float);
 837
 838    if (!const_buff)
 839       return;
 840
 841    uint16_t *fp16_const_buff =
 842       lima_ctx_buff_alloc(ctx, lima_ctx_buff_pp_uniform,
 843                           const_buff_size * sizeof(uint16_t));
 844
 845    uint32_t *array =
 846       lima_ctx_buff_alloc(ctx, lima_ctx_buff_pp_uniform_array, 4);
 847
 848    for (int i = 0; i < const_buff_size; i++)
 849        fp16_const_buff[i] = util_float_to_half(const_buff[i]);
 850
 851    *array = lima_ctx_buff_va(ctx, lima_ctx_buff_pp_uniform);
 852
 853    struct lima_submit *submit = lima_submit_get(ctx);
 854
 855    lima_dump_command_stream_print(
 856       submit->dump, fp16_const_buff, const_buff_size * 2,
 857       false, "add pp uniform data at va %x\n",
 858       lima_ctx_buff_va(ctx, lima_ctx_buff_pp_uniform));
 859    lima_dump_command_stream_print(
 860       submit->dump, array, 4, false, "add pp uniform info at va %x\n",
 861       lima_ctx_buff_va(ctx, lima_ctx_buff_pp_uniform_array));
 862 }
 863
 864 static void
 865 lima_update_varying(struct lima_context *ctx, const struct pipe_draw_info *info)
 866 {
 867    struct lima_submit *submit = lima_submit_get(ctx);
 868    struct lima_screen *screen = lima_screen(ctx->base.screen);
 869    struct lima_vs_shader_state *vs = ctx->vs;
 870    uint32_t gp_output_size;
 871    unsigned num = info->index_size ? (ctx->max_index - ctx->min_index + 1) : info->count;
 872
 873    uint32_t *varying =
 874       lima_ctx_buff_alloc(ctx, lima_ctx_buff_gp_varying_info,
 875                           vs->num_outputs * 8);
 876    int n = 0;
 877
 878    int offset = 0;
 879
 880    for (int i = 0; i < vs->num_outputs; i++) {
 881       struct lima_varying_info *v = vs->varying + i;
 882
 883       if (i == vs->gl_pos_idx ||
 884           i == vs->point_size_idx)
 885          continue;
 886
 887       int size = v->component_size * 4;
 888
 889       /* does component_size == 2 need to be 16 aligned? */
 890       if (v->component_size == 4)
 891          offset = align(offset, 16);
 892
 893       v->offset = offset;
 894       offset += size;
 895    }
 896
 897    vs->varying_stride = align(offset, 16);
 898
 899    /* gl_Position is always present, allocate space for it */
 900    gp_output_size = align(4 * 4 * num, 0x40);
 901
 902    /* Allocate space for varyings if there're any */
 903    if (vs->num_varyings) {
 904       ctx->gp_output_varyings_offt = gp_output_size;
 905       gp_output_size += align(vs->varying_stride * num, 0x40);
 906    }
 907
 908    /* Allocate space for gl_PointSize if it's there */
 909    if (vs->point_size_idx != -1) {
 910       ctx->gp_output_point_size_offt = gp_output_size;
 911       gp_output_size += 4 * num;
 912    }
 913
 914    /* gp_output can be too large for the suballocator, so create a
 915     * separate bo for it. The bo cache should prevent performance hit.
 916     */
 917    ctx->gp_output = lima_bo_create(screen, gp_output_size, 0);
 918    assert(ctx->gp_output);
 919    lima_submit_add_bo(submit, LIMA_PIPE_GP, ctx->gp_output, LIMA_SUBMIT_BO_WRITE);
 920    lima_submit_add_bo(submit, LIMA_PIPE_PP, ctx->gp_output, LIMA_SUBMIT_BO_READ);
 921
 922    for (int i = 0; i < vs->num_outputs; i++) {
 923       struct lima_varying_info *v = vs->varying + i;
 924
 925       if (i == vs->gl_pos_idx) {
 926          /* gl_Position */
 927          varying[n++] = ctx->gp_output->va;
 928          varying[n++] = 0x8020;
 929       } else if (i == vs->point_size_idx) {
 930          /* gl_PointSize */
 931          varying[n++] = ctx->gp_output->va + ctx->gp_output_point_size_offt;
 932          varying[n++] = 0x2021;
 933       } else {
 934          /* Varying */
 935          varying[n++] = ctx->gp_output->va + ctx->gp_output_varyings_offt +
 936                         v->offset;
 937          varying[n++] = (vs->varying_stride << 11) | (v->components - 1) |
 938             (v->component_size == 2 ? 0x0C : 0);
 939       }
 940    }
 941
 942    lima_dump_command_stream_print(
 943       submit->dump, varying, n * 4, false, "update varying info at va %x\n",
 944       lima_ctx_buff_va(ctx, lima_ctx_buff_gp_varying_info));
 945 }
 946
 947 static void
 948 lima_draw_vbo_update(struct pipe_context *pctx,
 949                      const struct pipe_draw_info *info)
 950 {
 951    struct lima_context *ctx = lima_context(pctx);
 952    struct lima_context_framebuffer *fb = &ctx->framebuffer;
 953    unsigned buffers = 0;
 954
 955    if (fb->base.zsbuf) {
 956       if (ctx->zsa->base.depth.enabled)
 957          buffers |= PIPE_CLEAR_DEPTH;
 958       if (ctx->zsa->base.stencil[0].enabled ||
 959           ctx->zsa->base.stencil[1].enabled)
 960          buffers |= PIPE_CLEAR_STENCIL;
 961    }
 962
 963    if (fb->base.nr_cbufs)
 964       buffers |= PIPE_CLEAR_COLOR0;
 965
 966    lima_update_submit_wb(ctx, buffers);
 967
 968    lima_update_gp_attribute_info(ctx, info);
 969
 970    if ((ctx->dirty & LIMA_CONTEXT_DIRTY_CONST_BUFF &&
 971         ctx->const_buffer[PIPE_SHADER_VERTEX].dirty) ||
 972        ctx->dirty & LIMA_CONTEXT_DIRTY_VIEWPORT ||
 973        ctx->dirty & LIMA_CONTEXT_DIRTY_SHADER_VERT) {
 974       lima_update_gp_uniform(ctx);
 975       ctx->const_buffer[PIPE_SHADER_VERTEX].dirty = false;
 976    }
 977
 978    lima_update_varying(ctx, info);
 979
 980    /* If it's zero scissor, don't build vs cmd list */
 981    if (!lima_is_scissor_zero(ctx))
 982       lima_pack_vs_cmd(ctx, info);
 983
 984    if (ctx->dirty & LIMA_CONTEXT_DIRTY_CONST_BUFF &&
 985        ctx->const_buffer[PIPE_SHADER_FRAGMENT].dirty) {
 986       lima_update_pp_uniform(ctx);
 987       ctx->const_buffer[PIPE_SHADER_FRAGMENT].dirty = false;
 988    }
 989
 990    lima_update_textures(ctx);
 991
 992    lima_pack_render_state(ctx, info);
 993    lima_pack_plbu_cmd(ctx, info);
 994
 995    if (ctx->gp_output) {
 996       lima_bo_unreference(ctx->gp_output); /* held by submit */
 997       ctx->gp_output = NULL;
 998    }
 999
1000    ctx->dirty = 0;
1001 }
1002
1003 static void
1004 lima_draw_vbo_indexed(struct pipe_context *pctx,
1005                       const struct pipe_draw_info *info)
1006 {
1007    struct lima_context *ctx = lima_context(pctx);
1008    struct lima_submit *submit = lima_submit_get(ctx);
1009    struct pipe_resource *indexbuf = NULL;
1010
1011    /* Mali Utgard GPU always need min/max index info for index draw,
1012     * compute it if upper layer does not do for us */
1013    if (info->max_index == ~0u)
1014       u_vbuf_get_minmax_index(pctx, info, &ctx->min_index, &ctx->max_index);
1015    else {
1016       ctx->min_index = info->min_index;
1017       ctx->max_index = info->max_index;
1018    }
1019
1020    if (info->has_user_indices) {
1021       util_upload_index_buffer(&ctx->base, info, &indexbuf, &ctx->index_offset, 0x40);
1022       ctx->index_res = lima_resource(indexbuf);
1023    }
1024    else {
1025       ctx->index_res = lima_resource(info->index.resource);
1026       ctx->index_offset = 0;
1027    }
1028
1029    lima_submit_add_bo(submit, LIMA_PIPE_GP, ctx->index_res->bo, LIMA_SUBMIT_BO_READ);
1030    lima_submit_add_bo(submit, LIMA_PIPE_PP, ctx->index_res->bo, LIMA_SUBMIT_BO_READ);
1031    lima_draw_vbo_update(pctx, info);
1032
1033    if (indexbuf)
1034       pipe_resource_reference(&indexbuf, NULL);
1035 }
1036
1037 static void
1038 lima_draw_vbo_count(struct pipe_context *pctx,
1039                     const struct pipe_draw_info *info)
1040 {
1041    static const uint32_t max_verts = 65535;
1042
1043    struct pipe_draw_info local_info = *info;
1044    unsigned start = info->start;
1045    unsigned count = info->count;
1046
1047    while (count) {
1048       unsigned this_count = count;
1049       unsigned step;
1050
1051       u_split_draw(info, max_verts, &this_count, &step);
1052
1053       local_info.start = start;
1054       local_info.count = this_count;
1055
1056       lima_draw_vbo_update(pctx, &local_info);
1057
1058       count -= step;
1059       start += step;
1060    }
1061 }
1062
1063 static void
1064 lima_draw_vbo(struct pipe_context *pctx,
1065               const struct pipe_draw_info *info)
1066 {
1067    /* check if draw mode and vertex/index count match,
1068     * otherwise gp will hang */
1069    if (!u_trim_pipe_prim(info->mode, (unsigned*)&info->count)) {
1070       debug_printf("draw mode and vertex/index count mismatch\n");
1071       return;
1072    }
1073
1074    struct lima_context *ctx = lima_context(pctx);
1075
1076    if (!ctx->vs || !ctx->fs) {
1077       debug_warn_once("no shader, skip draw\n");
1078       return;
1079    }
1080
1081    if (!lima_update_vs_state(ctx) || !lima_update_fs_state(ctx))
1082       return;
1083
1084    struct lima_submit *submit = lima_submit_get(ctx);
1085
1086    lima_dump_command_stream_print(
1087       submit->dump, ctx->vs->bo->map, ctx->vs->shader_size, false,
1088       "add vs at va %x\n", ctx->vs->bo->va);
1089
1090    lima_dump_command_stream_print(
1091       submit->dump, ctx->fs->bo->map, ctx->fs->shader_size, false,
1092       "add fs at va %x\n", ctx->fs->bo->va);
1093
1094    lima_submit_add_bo(submit, LIMA_PIPE_GP, ctx->vs->bo, LIMA_SUBMIT_BO_READ);
1095    lima_submit_add_bo(submit, LIMA_PIPE_PP, ctx->fs->bo, LIMA_SUBMIT_BO_READ);
1096
1097    if (info->index_size)
1098       lima_draw_vbo_indexed(pctx, info);
1099    else
1100       lima_draw_vbo_count(pctx, info);
1101 }
1102
1103 void
1104 lima_draw_init(struct lima_context *ctx)
1105 {
1106    ctx->base.clear = lima_clear;
1107    ctx->base.draw_vbo = lima_draw_vbo;
1108 }