src/gallium/drivers/nv50/nv50_state_validate.c

   1
   2 #include "nv50_context.h"
   3 #include "os/os_time.h"
   4
   5 static void
   6 nv50_validate_fb(struct nv50_context *nv50)
   7 {
   8    struct nouveau_pushbuf *push = nv50->base.pushbuf;
   9    struct pipe_framebuffer_state *fb = &nv50->framebuffer;
  10    unsigned i;
  11    unsigned ms_mode = NV50_3D_MULTISAMPLE_MODE_MS1;
  12
  13    nouveau_bufctx_reset(nv50->bufctx_3d, NV50_BIND_FB);
  14
  15    BEGIN_NV04(push, NV50_3D(RT_CONTROL), 1);
  16    PUSH_DATA (push, (076543210 << 4) | fb->nr_cbufs);
  17    BEGIN_NV04(push, NV50_3D(SCREEN_SCISSOR_HORIZ), 2);
  18    PUSH_DATA (push, fb->width << 16);
  19    PUSH_DATA (push, fb->height << 16);
  20
  21    for (i = 0; i < fb->nr_cbufs; ++i) {
  22       struct nv50_miptree *mt = nv50_miptree(fb->cbufs[i]->texture);
  23       struct nv50_surface *sf = nv50_surface(fb->cbufs[i]);
  24       struct nouveau_bo *bo = mt->base.bo;
  25
  26       BEGIN_NV04(push, NV50_3D(RT_ADDRESS_HIGH(i)), 5);
  27       PUSH_DATAh(push, bo->offset + sf->offset);
  28       PUSH_DATA (push, bo->offset + sf->offset);
  29       PUSH_DATA (push, nv50_format_table[sf->base.format].rt);
  30       if (likely(nouveau_bo_memtype(bo))) {
  31          PUSH_DATA (push, mt->level[sf->base.u.tex.level].tile_mode);
  32          PUSH_DATA (push, mt->layer_stride >> 2);
  33          BEGIN_NV04(push, NV50_3D(RT_HORIZ(i)), 2);
  34          PUSH_DATA (push, sf->width);
  35          PUSH_DATA (push, sf->height);
  36          BEGIN_NV04(push, NV50_3D(RT_ARRAY_MODE), 1);
  37          PUSH_DATA (push, sf->depth);
  38       } else {
  39          PUSH_DATA (push, 0);
  40          PUSH_DATA (push, 0);
  41          BEGIN_NV04(push, NV50_3D(RT_HORIZ(i)), 2);
  42          PUSH_DATA (push, NV50_3D_RT_HORIZ_LINEAR | mt->level[0].pitch);
  43          PUSH_DATA (push, sf->height);
  44          BEGIN_NV04(push, NV50_3D(RT_ARRAY_MODE), 1);
  45          PUSH_DATA (push, 0);
  46
  47          assert(!fb->zsbuf);
  48          assert(!mt->ms_mode);
  49       }
  50
  51       ms_mode = mt->ms_mode;
  52
  53       if (mt->base.status & NOUVEAU_BUFFER_STATUS_GPU_READING)
  54          nv50->state.rt_serialize = TRUE;
  55       mt->base.status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
  56       mt->base.status &= NOUVEAU_BUFFER_STATUS_GPU_READING;
  57
  58       /* only register for writing, otherwise we'd always serialize here */
  59       BCTX_REFN(nv50->bufctx_3d, FB, &mt->base, WR);
  60    }
  61
  62    if (fb->zsbuf) {
  63       struct nv50_miptree *mt = nv50_miptree(fb->zsbuf->texture);
  64       struct nv50_surface *sf = nv50_surface(fb->zsbuf);
  65       struct nouveau_bo *bo = mt->base.bo;
  66       int unk = mt->base.base.target == PIPE_TEXTURE_2D;
  67
  68       BEGIN_NV04(push, NV50_3D(ZETA_ADDRESS_HIGH), 5);
  69       PUSH_DATAh(push, bo->offset + sf->offset);
  70       PUSH_DATA (push, bo->offset + sf->offset);
  71       PUSH_DATA (push, nv50_format_table[fb->zsbuf->format].rt);
  72       PUSH_DATA (push, mt->level[sf->base.u.tex.level].tile_mode);
  73       PUSH_DATA (push, mt->layer_stride >> 2);
  74       BEGIN_NV04(push, NV50_3D(ZETA_ENABLE), 1);
  75       PUSH_DATA (push, 1);
  76       BEGIN_NV04(push, NV50_3D(ZETA_HORIZ), 3);
  77       PUSH_DATA (push, sf->width);
  78       PUSH_DATA (push, sf->height);
  79       PUSH_DATA (push, (unk << 16) | sf->depth);
  80
  81       ms_mode = mt->ms_mode;
  82
  83       if (mt->base.status & NOUVEAU_BUFFER_STATUS_GPU_READING)
  84          nv50->state.rt_serialize = TRUE;
  85       mt->base.status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
  86       mt->base.status &= NOUVEAU_BUFFER_STATUS_GPU_READING;
  87
  88       BCTX_REFN(nv50->bufctx_3d, FB, &mt->base, WR);
  89    } else {
  90       BEGIN_NV04(push, NV50_3D(ZETA_ENABLE), 1);
  91       PUSH_DATA (push, 0);
  92    }
  93
  94    BEGIN_NV04(push, NV50_3D(MULTISAMPLE_MODE), 1);
  95    PUSH_DATA (push, ms_mode);
  96
  97    BEGIN_NV04(push, NV50_3D(VIEWPORT_HORIZ(0)), 2);
  98    PUSH_DATA (push, fb->width << 16);
  99    PUSH_DATA (push, fb->height << 16);
 100 }
 101
 102 static void
 103 nv50_validate_blend_colour(struct nv50_context *nv50)
 104 {
 105    struct nouveau_pushbuf *push = nv50->base.pushbuf;
 106
 107    BEGIN_NV04(push, NV50_3D(BLEND_COLOR(0)), 4);
 108    PUSH_DATAf(push, nv50->blend_colour.color[0]);
 109    PUSH_DATAf(push, nv50->blend_colour.color[1]);
 110    PUSH_DATAf(push, nv50->blend_colour.color[2]);
 111    PUSH_DATAf(push, nv50->blend_colour.color[3]);
 112 }
 113
 114 static void
 115 nv50_validate_stencil_ref(struct nv50_context *nv50)
 116 {
 117    struct nouveau_pushbuf *push = nv50->base.pushbuf;
 118
 119    BEGIN_NV04(push, NV50_3D(STENCIL_FRONT_FUNC_REF), 1);
 120    PUSH_DATA (push, nv50->stencil_ref.ref_value[0]);
 121    BEGIN_NV04(push, NV50_3D(STENCIL_BACK_FUNC_REF), 1);
 122    PUSH_DATA (push, nv50->stencil_ref.ref_value[1]);
 123 }
 124
 125 static void
 126 nv50_validate_stipple(struct nv50_context *nv50)
 127 {
 128    struct nouveau_pushbuf *push = nv50->base.pushbuf;
 129    unsigned i;
 130
 131    BEGIN_NV04(push, NV50_3D(POLYGON_STIPPLE_PATTERN(0)), 32);
 132    for (i = 0; i < 32; ++i)
 133       PUSH_DATA(push, util_bswap32(nv50->stipple.stipple[i]));
 134 }
 135
 136 static void
 137 nv50_validate_scissor(struct nv50_context *nv50)
 138 {
 139    struct nouveau_pushbuf *push = nv50->base.pushbuf;
 140    struct pipe_scissor_state *s = &nv50->scissor;
 141 #ifdef NV50_SCISSORS_CLIPPING
 142    struct pipe_viewport_state *vp = &nv50->viewport;
 143    int minx, maxx, miny, maxy;
 144
 145    if (!(nv50->dirty &
 146          (NV50_NEW_SCISSOR | NV50_NEW_VIEWPORT | NV50_NEW_FRAMEBUFFER)) &&
 147        nv50->state.scissor == nv50->rast->pipe.scissor)
 148       return;
 149    nv50->state.scissor = nv50->rast->pipe.scissor;
 150
 151    if (nv50->state.scissor) {
 152       minx = s->minx;
 153       maxx = s->maxx;
 154       miny = s->miny;
 155       maxy = s->maxy;
 156    } else {
 157       minx = 0;
 158       maxx = nv50->framebuffer.width;
 159       miny = 0;
 160       maxy = nv50->framebuffer.height;
 161    }
 162
 163    minx = MAX2(minx, (int)(vp->translate[0] - fabsf(vp->scale[0])));
 164    maxx = MIN2(maxx, (int)(vp->translate[0] + fabsf(vp->scale[0])));
 165    miny = MAX2(miny, (int)(vp->translate[1] - fabsf(vp->scale[1])));
 166    maxy = MIN2(maxy, (int)(vp->translate[1] + fabsf(vp->scale[1])));
 167
 168    BEGIN_NV04(push, NV50_3D(SCISSOR_HORIZ(0)), 2);
 169    PUSH_DATA (push, (maxx << 16) | minx);
 170    PUSH_DATA (push, (maxy << 16) | miny);
 171 #else
 172    BEGIN_NV04(push, NV50_3D(SCISSOR_HORIZ(0)), 2);
 173    PUSH_DATA (push, (s->maxx << 16) | s->minx);
 174    PUSH_DATA (push, (s->maxy << 16) | s->miny);
 175 #endif
 176 }
 177
 178 static void
 179 nv50_validate_viewport(struct nv50_context *nv50)
 180 {
 181    struct nouveau_pushbuf *push = nv50->base.pushbuf;
 182    float zmin, zmax;
 183
 184    BEGIN_NV04(push, NV50_3D(VIEWPORT_TRANSLATE_X(0)), 3);
 185    PUSH_DATAf(push, nv50->viewport.translate[0]);
 186    PUSH_DATAf(push, nv50->viewport.translate[1]);
 187    PUSH_DATAf(push, nv50->viewport.translate[2]);
 188    BEGIN_NV04(push, NV50_3D(VIEWPORT_SCALE_X(0)), 3);
 189    PUSH_DATAf(push, nv50->viewport.scale[0]);
 190    PUSH_DATAf(push, nv50->viewport.scale[1]);
 191    PUSH_DATAf(push, nv50->viewport.scale[2]);
 192
 193    zmin = nv50->viewport.translate[2] - fabsf(nv50->viewport.scale[2]);
 194    zmax = nv50->viewport.translate[2] + fabsf(nv50->viewport.scale[2]);
 195
 196 #ifdef NV50_SCISSORS_CLIPPING
 197    BEGIN_NV04(push, NV50_3D(DEPTH_RANGE_NEAR(0)), 2);
 198    PUSH_DATAf(push, zmin);
 199    PUSH_DATAf(push, zmax);
 200 #endif
 201 }
 202
 203 static INLINE void
 204 nv50_check_program_ucps(struct nv50_context *nv50,
 205                         struct nv50_program *vp, uint8_t mask)
 206 {
 207    const unsigned n = util_logbase2(mask) + 1;
 208
 209    if (vp->vp.clpd_nr >= n)
 210       return;
 211    nv50_program_destroy(nv50, vp);
 212
 213    vp->vp.clpd_nr = n;
 214    if (likely(vp == nv50->vertprog))
 215       nv50_vertprog_validate(nv50);
 216    else
 217       nv50_gmtyprog_validate(nv50);
 218    nv50_fp_linkage_validate(nv50);
 219 }
 220
 221 static void
 222 nv50_validate_clip(struct nv50_context *nv50)
 223 {
 224    struct nouveau_pushbuf *push = nv50->base.pushbuf;
 225    struct nv50_program *vp;
 226    uint8_t clip_enable;
 227
 228    if (nv50->dirty & NV50_NEW_CLIP) {
 229       BEGIN_NV04(push, NV50_3D(CB_ADDR), 1);
 230       PUSH_DATA (push, (0 << 8) | NV50_CB_AUX);
 231       BEGIN_NI04(push, NV50_3D(CB_DATA(0)), PIPE_MAX_CLIP_PLANES * 4);
 232       PUSH_DATAp(push, &nv50->clip.ucp[0][0], PIPE_MAX_CLIP_PLANES * 4);
 233    }
 234
 235    vp = nv50->gmtyprog;
 236    if (likely(!vp))
 237       vp = nv50->vertprog;
 238
 239    clip_enable = nv50->rast->pipe.clip_plane_enable;
 240
 241    BEGIN_NV04(push, NV50_3D(CLIP_DISTANCE_ENABLE), 1);
 242    PUSH_DATA (push, clip_enable);
 243
 244    if (clip_enable)
 245       nv50_check_program_ucps(nv50, vp, clip_enable);
 246 }
 247
 248 static void
 249 nv50_validate_blend(struct nv50_context *nv50)
 250 {
 251    struct nouveau_pushbuf *push = nv50->base.pushbuf;
 252
 253    PUSH_SPACE(push, nv50->blend->size);
 254    PUSH_DATAp(push, nv50->blend->state, nv50->blend->size);
 255 }
 256
 257 static void
 258 nv50_validate_zsa(struct nv50_context *nv50)
 259 {
 260    struct nouveau_pushbuf *push = nv50->base.pushbuf;
 261
 262    PUSH_SPACE(push, nv50->zsa->size);
 263    PUSH_DATAp(push, nv50->zsa->state, nv50->zsa->size);
 264 }
 265
 266 static void
 267 nv50_validate_rasterizer(struct nv50_context *nv50)
 268 {
 269    struct nouveau_pushbuf *push = nv50->base.pushbuf;
 270
 271    PUSH_SPACE(push, nv50->rast->size);
 272    PUSH_DATAp(push, nv50->rast->state, nv50->rast->size);
 273 }
 274
 275 static void
 276 nv50_validate_sample_mask(struct nv50_context *nv50)
 277 {
 278    struct nouveau_pushbuf *push = nv50->base.pushbuf;
 279
 280    unsigned mask[4] =
 281    {
 282       nv50->sample_mask & 0xffff,
 283       nv50->sample_mask & 0xffff,
 284       nv50->sample_mask & 0xffff,
 285       nv50->sample_mask & 0xffff
 286    };
 287
 288    BEGIN_NV04(push, NV50_3D(MSAA_MASK(0)), 4);
 289    PUSH_DATA (push, mask[0]);
 290    PUSH_DATA (push, mask[1]);
 291    PUSH_DATA (push, mask[2]);
 292    PUSH_DATA (push, mask[3]);
 293 }
 294
 295 static void
 296 nv50_switch_pipe_context(struct nv50_context *ctx_to)
 297 {
 298    struct nv50_context *ctx_from = ctx_to->screen->cur_ctx;
 299
 300    if (ctx_from)
 301       ctx_to->state = ctx_from->state;
 302
 303    ctx_to->dirty = ~0;
 304
 305    if (!ctx_to->vertex)
 306       ctx_to->dirty &= ~(NV50_NEW_VERTEX | NV50_NEW_ARRAYS);
 307
 308    if (!ctx_to->vertprog)
 309       ctx_to->dirty &= ~NV50_NEW_VERTPROG;
 310    if (!ctx_to->fragprog)
 311       ctx_to->dirty &= ~NV50_NEW_FRAGPROG;
 312
 313    if (!ctx_to->blend)
 314       ctx_to->dirty &= ~NV50_NEW_BLEND;
 315    if (!ctx_to->rast)
 316 #ifdef NV50_SCISSORS_CLIPPING
 317       ctx_to->dirty &= ~(NV50_NEW_RASTERIZER | NV50_NEW_SCISSOR);
 318 #else
 319       ctx_to->dirty &= ~NV50_NEW_RASTERIZER;
 320 #endif
 321    if (!ctx_to->zsa)
 322       ctx_to->dirty &= ~NV50_NEW_ZSA;
 323
 324    ctx_to->screen->cur_ctx = ctx_to;
 325 }
 326
 327 static struct state_validate {
 328     void (*func)(struct nv50_context *);
 329     uint32_t states;
 330 } validate_list[] = {
 331     { nv50_validate_fb,            NV50_NEW_FRAMEBUFFER },
 332     { nv50_validate_blend,         NV50_NEW_BLEND },
 333     { nv50_validate_zsa,           NV50_NEW_ZSA },
 334     { nv50_validate_sample_mask,   NV50_NEW_SAMPLE_MASK },
 335     { nv50_validate_rasterizer,    NV50_NEW_RASTERIZER },
 336     { nv50_validate_blend_colour,  NV50_NEW_BLEND_COLOUR },
 337     { nv50_validate_stencil_ref,   NV50_NEW_STENCIL_REF },
 338     { nv50_validate_stipple,       NV50_NEW_STIPPLE },
 339 #ifdef NV50_SCISSORS_CLIPPING
 340     { nv50_validate_scissor,       NV50_NEW_SCISSOR | NV50_NEW_VIEWPORT |
 341                                    NV50_NEW_RASTERIZER |
 342                                    NV50_NEW_FRAMEBUFFER },
 343 #else
 344     { nv50_validate_scissor,       NV50_NEW_SCISSOR },
 345 #endif
 346     { nv50_validate_viewport,      NV50_NEW_VIEWPORT },
 347     { nv50_vertprog_validate,      NV50_NEW_VERTPROG },
 348     { nv50_gmtyprog_validate,      NV50_NEW_GMTYPROG },
 349     { nv50_fragprog_validate,      NV50_NEW_FRAGPROG },
 350     { nv50_fp_linkage_validate,    NV50_NEW_FRAGPROG | NV50_NEW_VERTPROG |
 351                                    NV50_NEW_GMTYPROG },
 352     { nv50_gp_linkage_validate,    NV50_NEW_GMTYPROG | NV50_NEW_VERTPROG },
 353     { nv50_validate_derived_rs,    NV50_NEW_FRAGPROG | NV50_NEW_RASTERIZER |
 354                                    NV50_NEW_VERTPROG | NV50_NEW_GMTYPROG },
 355     { nv50_validate_clip,          NV50_NEW_CLIP | NV50_NEW_RASTERIZER |
 356                                    NV50_NEW_VERTPROG | NV50_NEW_GMTYPROG },
 357     { nv50_constbufs_validate,     NV50_NEW_CONSTBUF },
 358     { nv50_validate_textures,      NV50_NEW_TEXTURES },
 359     { nv50_validate_samplers,      NV50_NEW_SAMPLERS },
 360     { nv50_vertex_arrays_validate, NV50_NEW_VERTEX | NV50_NEW_ARRAYS }
 361 };
 362 #define validate_list_len (sizeof(validate_list) / sizeof(validate_list[0]))
 363
 364 boolean
 365 nv50_state_validate(struct nv50_context *nv50, uint32_t mask, unsigned words)
 366 {
 367    uint32_t state_mask;
 368    int ret;
 369    unsigned i;
 370
 371    if (nv50->screen->cur_ctx != nv50)
 372       nv50_switch_pipe_context(nv50);
 373
 374    state_mask = nv50->dirty & mask;
 375
 376    if (state_mask) {
 377       for (i = 0; i < validate_list_len; ++i) {
 378          struct state_validate *validate = &validate_list[i];
 379
 380          if (state_mask & validate->states)
 381             validate->func(nv50);
 382       }
 383       nv50->dirty &= ~state_mask;
 384
 385       if (nv50->state.rt_serialize) {
 386          nv50->state.rt_serialize = FALSE;
 387          BEGIN_NV04(nv50->base.pushbuf, SUBC_3D(NV50_GRAPH_SERIALIZE), 1);
 388          PUSH_DATA (nv50->base.pushbuf, 0);
 389       }
 390
 391       nv50_bufctx_fence(nv50->bufctx_3d, FALSE);
 392    }
 393    nouveau_pushbuf_bufctx(nv50->base.pushbuf, nv50->bufctx_3d);
 394    ret = nouveau_pushbuf_validate(nv50->base.pushbuf);
 395
 396    if (unlikely(nv50->state.flushed)) {
 397       nv50->state.flushed = FALSE;
 398       nv50_bufctx_fence(nv50->bufctx_3d, TRUE);
 399    }
 400    return !ret;
 401 }