src/gallium/drivers/nvc0/nvc0_surface.c

   1 /*
   2  * Copyright 2008 Ben Skeggs
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #include <stdint.h>
  24
  25 #include "pipe/p_defines.h"
  26
  27 #include "util/u_inlines.h"
  28 #include "util/u_pack_color.h"
  29 #include "util/u_format.h"
  30 #include "util/u_surface.h"
  31
  32 #include "nvc0_context.h"
  33 #include "nvc0_resource.h"
  34
  35 #include "nv50/nv50_defs.xml.h"
  36
  37 #define NVC0_ENG2D_SUPPORTED_FORMATS 0xff9ccfe1cce3ccc9ULL
  38
  39 /* return TRUE for formats that can be converted among each other by NVC0_2D */
  40 static INLINE boolean
  41 nvc0_2d_format_faithful(enum pipe_format format)
  42 {
  43    uint8_t id = nvc0_format_table[format].rt;
  44
  45    return (id >= 0xc0) && (NVC0_ENG2D_SUPPORTED_FORMATS & (1ULL << (id - 0xc0)));
  46 }
  47
  48 static INLINE uint8_t
  49 nvc0_2d_format(enum pipe_format format)
  50 {
  51    uint8_t id = nvc0_format_table[format].rt;
  52
  53    /* Hardware values for color formats range from 0xc0 to 0xff,
  54     * but the 2D engine doesn't support all of them.
  55     */
  56    if (nvc0_2d_format_faithful(format))
  57       return id;
  58
  59    switch (util_format_get_blocksize(format)) {
  60    case 1:
  61       return NV50_SURFACE_FORMAT_R8_UNORM;
  62    case 2:
  63       return NV50_SURFACE_FORMAT_R16_UNORM;
  64    case 4:
  65       return NV50_SURFACE_FORMAT_BGRA8_UNORM;
  66    case 8:
  67       return NV50_SURFACE_FORMAT_RGBA16_UNORM;
  68    case 16:
  69       return NV50_SURFACE_FORMAT_RGBA32_FLOAT;
  70    default:
  71       return 0;
  72    }
  73 }
  74
  75 static int
  76 nvc0_2d_texture_set(struct nouveau_channel *chan, int dst,
  77                     struct nv50_miptree *mt, unsigned level, unsigned layer)
  78 {
  79    struct nouveau_bo *bo = mt->base.bo;
  80    uint32_t width, height, depth;
  81    uint32_t format;
  82    uint32_t mthd = dst ? NVC0_2D_DST_FORMAT : NVC0_2D_SRC_FORMAT;
  83    uint32_t flags = mt->base.domain | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);
  84    uint32_t offset = mt->level[level].offset;
  85
  86    format = nvc0_2d_format(mt->base.base.format);
  87    if (!format) {
  88       NOUVEAU_ERR("invalid/unsupported surface format: %s\n",
  89                   util_format_name(mt->base.base.format));
  90       return 1;
  91    }
  92
  93    width = u_minify(mt->base.base.width0, level) << mt->ms_x;
  94    height = u_minify(mt->base.base.height0, level) << mt->ms_y;
  95    depth = u_minify(mt->base.base.depth0, level);
  96
  97    /* layer has to be < depth, and depth > tile depth / 2 */
  98
  99    if (!mt->layout_3d) {
 100       offset += mt->layer_stride * layer;
 101       layer = 0;
 102       depth = 1;
 103    } else
 104    if (!dst) {
 105       offset += nvc0_mt_zslice_offset(mt, level, layer);
 106       layer = 0;
 107    }
 108
 109    if (!(bo->tile_flags & NOUVEAU_BO_TILE_LAYOUT_MASK)) {
 110       BEGIN_RING(chan, RING_2D_(mthd), 2);
 111       OUT_RING  (chan, format);
 112       OUT_RING  (chan, 1);
 113       BEGIN_RING(chan, RING_2D_(mthd + 0x14), 5);
 114       OUT_RING  (chan, mt->level[level].pitch);
 115       OUT_RING  (chan, width);
 116       OUT_RING  (chan, height);
 117       OUT_RELOCh(chan, bo, offset, flags);
 118       OUT_RELOCl(chan, bo, offset, flags);
 119    } else {
 120       BEGIN_RING(chan, RING_2D_(mthd), 5);
 121       OUT_RING  (chan, format);
 122       OUT_RING  (chan, 0);
 123       OUT_RING  (chan, mt->level[level].tile_mode);
 124       OUT_RING  (chan, depth);
 125       OUT_RING  (chan, layer);
 126       BEGIN_RING(chan, RING_2D_(mthd + 0x18), 4);
 127       OUT_RING  (chan, width);
 128       OUT_RING  (chan, height);
 129       OUT_RELOCh(chan, bo, offset, flags);
 130       OUT_RELOCl(chan, bo, offset, flags);
 131    }
 132
 133 #if 0
 134    if (dst) {
 135       BEGIN_RING(chan, RING_2D_(NVC0_2D_CLIP_X), 4);
 136       OUT_RING  (chan, 0);
 137       OUT_RING  (chan, 0);
 138       OUT_RING  (chan, width);
 139       OUT_RING  (chan, height);
 140    }
 141 #endif
 142    return 0;
 143 }
 144
 145 static int
 146 nvc0_2d_texture_do_copy(struct nouveau_channel *chan,
 147                         struct nv50_miptree *dst, unsigned dst_level,
 148                         unsigned dx, unsigned dy, unsigned dz,
 149                         struct nv50_miptree *src, unsigned src_level,
 150                         unsigned sx, unsigned sy, unsigned sz,
 151                         unsigned w, unsigned h)
 152 {
 153    static const uint32_t duvdxy[5] =
 154    {
 155       0x40000000, 0x80000000, 0x00000001, 0x00000002, 0x00000004
 156    };
 157
 158    int ret;
 159    uint32_t ctrl = 0x00;
 160
 161    ret = MARK_RING(chan, 2 * 16 + 32, 4);
 162    if (ret)
 163       return ret;
 164
 165    ret = nvc0_2d_texture_set(chan, 1, dst, dst_level, dz);
 166    if (ret)
 167       return ret;
 168
 169    ret = nvc0_2d_texture_set(chan, 0, src, src_level, sz);
 170    if (ret)
 171       return ret;
 172
 173    /* NOTE: 2D engine doesn't work for MS8 */
 174    if (src->ms_x)
 175       ctrl = 0x11;
 176
 177    /* 0/1 = CENTER/CORNER, 00/10 = POINT/BILINEAR */
 178    BEGIN_RING(chan, RING_2D(BLIT_CONTROL), 1);
 179    OUT_RING  (chan, ctrl);
 180    BEGIN_RING(chan, RING_2D(BLIT_DST_X), 4);
 181    OUT_RING  (chan, dx << dst->ms_x);
 182    OUT_RING  (chan, dy << dst->ms_y);
 183    OUT_RING  (chan, w << dst->ms_x);
 184    OUT_RING  (chan, h << dst->ms_y);
 185    BEGIN_RING(chan, RING_2D(BLIT_DU_DX_FRACT), 4);
 186    OUT_RING  (chan, duvdxy[2 + ((int)src->ms_x - (int)dst->ms_x)] & 0xf0000000);
 187    OUT_RING  (chan, duvdxy[2 + ((int)src->ms_x - (int)dst->ms_x)] & 0x0000000f);
 188    OUT_RING  (chan, duvdxy[2 + ((int)src->ms_y - (int)dst->ms_y)] & 0xf0000000);
 189    OUT_RING  (chan, duvdxy[2 + ((int)src->ms_y - (int)dst->ms_y)] & 0x0000000f);
 190    BEGIN_RING(chan, RING_2D(BLIT_SRC_X_FRACT), 4);
 191    OUT_RING  (chan, 0);
 192    OUT_RING  (chan, sx << src->ms_x);
 193    OUT_RING  (chan, 0);
 194    OUT_RING  (chan, sy << src->ms_x);
 195
 196    return 0;
 197 }
 198
 199 static void
 200 nvc0_resource_copy_region(struct pipe_context *pipe,
 201                           struct pipe_resource *dst, unsigned dst_level,
 202                           unsigned dstx, unsigned dsty, unsigned dstz,
 203                           struct pipe_resource *src, unsigned src_level,
 204                           const struct pipe_box *src_box)
 205 {
 206    struct nvc0_screen *screen = nvc0_context(pipe)->screen;
 207    int ret;
 208    unsigned dst_layer = dstz, src_layer = src_box->z;
 209
 210    /* Fallback for buffers. */
 211    if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
 212       util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz,
 213                                 src, src_level, src_box);
 214       return;
 215    }
 216
 217    nv04_resource(dst)->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
 218
 219    if (src->format == dst->format && src->nr_samples == dst->nr_samples) {
 220       struct nv50_m2mf_rect drect, srect;
 221       unsigned i;
 222       unsigned nx = util_format_get_nblocksx(src->format, src_box->width);
 223       unsigned ny = util_format_get_nblocksy(src->format, src_box->height);
 224
 225       nv50_m2mf_rect_setup(&drect, dst, dst_level, dstx, dsty, dstz);
 226       nv50_m2mf_rect_setup(&srect, src, src_level,
 227                            src_box->x, src_box->y, src_box->z);
 228
 229       for (i = 0; i < src_box->depth; ++i) {
 230          nvc0_m2mf_transfer_rect(&screen->base.base, &drect, &srect, nx, ny);
 231
 232          if (nv50_miptree(dst)->layout_3d)
 233             drect.z++;
 234          else
 235             drect.base += nv50_miptree(dst)->layer_stride;
 236
 237          if (nv50_miptree(src)->layout_3d)
 238             srect.z++;
 239          else
 240             srect.base += nv50_miptree(src)->layer_stride;
 241       }
 242       return;
 243    }
 244
 245    assert(nvc0_2d_format_faithful(src->format));
 246    assert(nvc0_2d_format_faithful(dst->format));
 247
 248    for (; dst_layer < dstz + src_box->depth; ++dst_layer, ++src_layer) {
 249       ret = nvc0_2d_texture_do_copy(screen->base.channel,
 250                                     nv50_miptree(dst), dst_level,
 251                                     dstx, dsty, dst_layer,
 252                                     nv50_miptree(src), src_level,
 253                                     src_box->x, src_box->y, src_layer,
 254                                     src_box->width, src_box->height);
 255       if (ret)
 256          return;
 257    }
 258 }
 259
 260 static void
 261 nvc0_clear_render_target(struct pipe_context *pipe,
 262                          struct pipe_surface *dst,
 263                          const float *rgba,
 264                          unsigned dstx, unsigned dsty,
 265                          unsigned width, unsigned height)
 266 {
 267         struct nvc0_context *nv50 = nvc0_context(pipe);
 268         struct nvc0_screen *screen = nv50->screen;
 269         struct nouveau_channel *chan = screen->base.channel;
 270         struct nv50_miptree *mt = nv50_miptree(dst->texture);
 271         struct nv50_surface *sf = nv50_surface(dst);
 272         struct nouveau_bo *bo = mt->base.bo;
 273
 274         BEGIN_RING(chan, RING_3D(CLEAR_COLOR(0)), 4);
 275         OUT_RINGf (chan, rgba[0]);
 276         OUT_RINGf (chan, rgba[1]);
 277         OUT_RINGf (chan, rgba[2]);
 278         OUT_RINGf (chan, rgba[3]);
 279
 280         if (MARK_RING(chan, 18, 2))
 281                 return;
 282
 283         BEGIN_RING(chan, RING_3D(RT_CONTROL), 1);
 284         OUT_RING  (chan, 1);
 285         BEGIN_RING(chan, RING_3D(RT_ADDRESS_HIGH(0)), 9);
 286         OUT_RELOCh(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 287         OUT_RELOCl(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 288         OUT_RING  (chan, sf->width);
 289         OUT_RING  (chan, sf->height);
 290         OUT_RING  (chan, nvc0_format_table[dst->format].rt);
 291         OUT_RING  (chan, (mt->layout_3d << 16) |
 292               mt->level[sf->base.u.tex.level].tile_mode);
 293         OUT_RING  (chan, dst->u.tex.first_layer + sf->depth);
 294         OUT_RING  (chan, mt->layer_stride >> 2);
 295         OUT_RING  (chan, dst->u.tex.first_layer);
 296
 297         BEGIN_RING(chan, RING_3D(CLIP_RECT_HORIZ(0)), 2);
 298         OUT_RING  (chan, ((dstx + width) << 16) | dstx);
 299         OUT_RING  (chan, ((dsty + height) << 16) | dsty);
 300         IMMED_RING(chan, RING_3D(CLIP_RECTS_EN), 1);
 301
 302         BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
 303         OUT_RING  (chan, 0x3c);
 304
 305         IMMED_RING(chan, RING_3D(CLIP_RECTS_EN), 0);
 306
 307         nv50->dirty |= NVC0_NEW_FRAMEBUFFER;
 308 }
 309
 310 static void
 311 nvc0_clear_depth_stencil(struct pipe_context *pipe,
 312                          struct pipe_surface *dst,
 313                          unsigned clear_flags,
 314                          double depth,
 315                          unsigned stencil,
 316                          unsigned dstx, unsigned dsty,
 317                          unsigned width, unsigned height)
 318 {
 319         struct nvc0_context *nv50 = nvc0_context(pipe);
 320         struct nvc0_screen *screen = nv50->screen;
 321         struct nouveau_channel *chan = screen->base.channel;
 322         struct nv50_miptree *mt = nv50_miptree(dst->texture);
 323         struct nv50_surface *sf = nv50_surface(dst);
 324         struct nouveau_bo *bo = mt->base.bo;
 325         uint32_t mode = 0;
 326         int unk = mt->base.base.target == PIPE_TEXTURE_2D;
 327
 328         if (clear_flags & PIPE_CLEAR_DEPTH) {
 329                 BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
 330                 OUT_RINGf (chan, depth);
 331                 mode |= NVC0_3D_CLEAR_BUFFERS_Z;
 332         }
 333
 334         if (clear_flags & PIPE_CLEAR_STENCIL) {
 335                 BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
 336                 OUT_RING  (chan, stencil & 0xff);
 337                 mode |= NVC0_3D_CLEAR_BUFFERS_S;
 338         }
 339
 340         if (MARK_RING(chan, 17, 2))
 341                 return;
 342
 343         BEGIN_RING(chan, RING_3D(ZETA_ADDRESS_HIGH), 5);
 344         OUT_RELOCh(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 345         OUT_RELOCl(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 346         OUT_RING  (chan, nvc0_format_table[dst->format].rt);
 347         OUT_RING  (chan, mt->level[sf->base.u.tex.level].tile_mode);
 348         OUT_RING  (chan, mt->layer_stride >> 2);
 349         BEGIN_RING(chan, RING_3D(ZETA_ENABLE), 1);
 350         OUT_RING  (chan, 1);
 351         BEGIN_RING(chan, RING_3D(ZETA_HORIZ), 3);
 352         OUT_RING  (chan, sf->width);
 353         OUT_RING  (chan, sf->height);
 354         OUT_RING  (chan, (unk << 16) | (dst->u.tex.first_layer + sf->depth));
 355         BEGIN_RING(chan, RING_3D(ZETA_BASE_LAYER), 1);
 356         OUT_RING  (chan, dst->u.tex.first_layer);
 357
 358         BEGIN_RING(chan, RING_3D(CLIP_RECT_HORIZ(0)), 2);
 359         OUT_RING  (chan, ((dstx + width) << 16) | dstx);
 360         OUT_RING  (chan, ((dsty + height) << 16) | dsty);
 361         IMMED_RING(chan, RING_3D(CLIP_RECTS_EN), 1);
 362
 363         BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
 364         OUT_RING  (chan, mode);
 365
 366         IMMED_RING(chan, RING_3D(CLIP_RECTS_EN), 0);
 367
 368         nv50->dirty |= NVC0_NEW_FRAMEBUFFER;
 369 }
 370
 371 void
 372 nvc0_clear(struct pipe_context *pipe, unsigned buffers,
 373            const float *rgba, double depth, unsigned stencil)
 374 {
 375    struct nvc0_context *nvc0 = nvc0_context(pipe);
 376    struct nouveau_channel *chan = nvc0->screen->base.channel;
 377    struct pipe_framebuffer_state *fb = &nvc0->framebuffer;
 378    unsigned i;
 379    const unsigned dirty = nvc0->dirty;
 380    uint32_t mode = 0;
 381
 382    /* don't need NEW_BLEND, COLOR_MASK doesn't affect CLEAR_BUFFERS */
 383    nvc0->dirty &= NVC0_NEW_FRAMEBUFFER;
 384    if (!nvc0_state_validate(nvc0))
 385       return;
 386
 387    if (buffers & PIPE_CLEAR_COLOR && fb->nr_cbufs) {
 388       BEGIN_RING(chan, RING_3D(CLEAR_COLOR(0)), 4);
 389       OUT_RINGf (chan, rgba[0]);
 390       OUT_RINGf (chan, rgba[1]);
 391       OUT_RINGf (chan, rgba[2]);
 392       OUT_RINGf (chan, rgba[3]);
 393       mode =
 394          NVC0_3D_CLEAR_BUFFERS_R | NVC0_3D_CLEAR_BUFFERS_G |
 395          NVC0_3D_CLEAR_BUFFERS_B | NVC0_3D_CLEAR_BUFFERS_A;
 396    }
 397
 398    if (buffers & PIPE_CLEAR_DEPTH) {
 399       BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
 400       OUT_RING  (chan, fui(depth));
 401       mode |= NVC0_3D_CLEAR_BUFFERS_Z;
 402    }
 403
 404    if (buffers & PIPE_CLEAR_STENCIL) {
 405       BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
 406       OUT_RING  (chan, stencil & 0xff);
 407       mode |= NVC0_3D_CLEAR_BUFFERS_S;
 408    }
 409
 410    BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
 411    OUT_RING  (chan, mode);
 412
 413    for (i = 1; i < fb->nr_cbufs; i++) {
 414       BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
 415       OUT_RING  (chan, (i << 6) | 0x3c);
 416    }
 417
 418    nvc0->dirty = dirty & ~NVC0_NEW_FRAMEBUFFER;
 419 }
 420
 421 void
 422 nvc0_init_surface_functions(struct nvc0_context *nvc0)
 423 {
 424    struct pipe_context *pipe = &nvc0->base.pipe;
 425
 426    pipe->resource_copy_region = nvc0_resource_copy_region;
 427    pipe->clear_render_target = nvc0_clear_render_target;
 428    pipe->clear_depth_stencil = nvc0_clear_depth_stencil;
 429 }
 430
 431