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
  31 #include "nvc0_context.h"
  32 #include "nvc0_resource.h"
  33
  34 #include "nv50_defs.xml.h"
  35
  36 #define NVC0_ENG2D_SUPPORTED_FORMATS 0xff9ccfe1cce3ccc9ULL
  37
  38 /* return TRUE for formats that can be converted among each other by NVC0_2D */
  39 static INLINE boolean
  40 nvc0_2d_format_faithful(enum pipe_format format)
  41 {
  42    uint8_t id = nvc0_format_table[format].rt;
  43
  44    return (id >= 0xc0) && (NVC0_ENG2D_SUPPORTED_FORMATS & (1ULL << (id - 0xc0)));
  45 }
  46
  47 static INLINE uint8_t
  48 nvc0_2d_format(enum pipe_format format)
  49 {
  50    uint8_t id = nvc0_format_table[format].rt;
  51
  52    /* Hardware values for color formats range from 0xc0 to 0xff,
  53     * but the 2D engine doesn't support all of them.
  54     */
  55    if (nvc0_2d_format_faithful(format))
  56       return id;
  57
  58    switch (util_format_get_blocksize(format)) {
  59    case 1:
  60       return NV50_SURFACE_FORMAT_R8_UNORM;
  61    case 2:
  62       return NV50_SURFACE_FORMAT_R16_UNORM;
  63    case 4:
  64       return NV50_SURFACE_FORMAT_A8R8G8B8_UNORM;
  65    case 8:
  66       return NV50_SURFACE_FORMAT_R16G16B16A16_UNORM;
  67    case 16:
  68       return NV50_SURFACE_FORMAT_R32G32B32A32_FLOAT;
  69    default:
  70       return 0;
  71    }
  72 }
  73
  74 static int
  75 nvc0_2d_texture_set(struct nouveau_channel *chan, int dst,
  76                     struct nvc0_miptree *mt, unsigned level, unsigned layer)
  77 {
  78    struct nouveau_bo *bo = mt->base.bo;
  79    uint32_t width, height, depth;
  80    uint32_t format;
  81    uint32_t mthd = dst ? NVC0_2D_DST_FORMAT : NVC0_2D_SRC_FORMAT;
  82    uint32_t flags = mt->base.domain | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);
  83    uint32_t offset = mt->level[level].offset;
  84
  85    format = nvc0_2d_format(mt->base.base.format);
  86    if (!format) {
  87       NOUVEAU_ERR("invalid/unsupported surface format: %s\n",
  88                   util_format_name(mt->base.base.format));
  89       return 1;
  90    }
  91
  92    width = u_minify(mt->base.base.width0, level);
  93    height = u_minify(mt->base.base.height0, level);
  94
  95    offset = mt->level[level].offset;
  96    if (!mt->layout_3d) {
  97       offset += mt->layer_stride * layer;
  98       depth = 1;
  99       layer = 0;
 100    } else {
 101       depth = u_minify(mt->base.base.depth0, level);
 102    }
 103
 104    if (!(bo->tile_flags & NOUVEAU_BO_TILE_LAYOUT_MASK)) {
 105       BEGIN_RING(chan, RING_2D_(mthd), 2);
 106       OUT_RING  (chan, format);
 107       OUT_RING  (chan, 1);
 108       BEGIN_RING(chan, RING_2D_(mthd + 0x14), 5);
 109       OUT_RING  (chan, mt->level[level].pitch);
 110       OUT_RING  (chan, width);
 111       OUT_RING  (chan, height);
 112       OUT_RELOCh(chan, bo, offset, flags);
 113       OUT_RELOCl(chan, bo, offset, flags);
 114    } else {
 115       BEGIN_RING(chan, RING_2D_(mthd), 5);
 116       OUT_RING  (chan, format);
 117       OUT_RING  (chan, 0);
 118       OUT_RING  (chan, mt->level[level].tile_mode);
 119       OUT_RING  (chan, depth);
 120       OUT_RING  (chan, layer);
 121       BEGIN_RING(chan, RING_2D_(mthd + 0x18), 4);
 122       OUT_RING  (chan, width);
 123       OUT_RING  (chan, height);
 124       OUT_RELOCh(chan, bo, offset, flags);
 125       OUT_RELOCl(chan, bo, offset, flags);
 126    }
 127
 128 #if 0
 129    if (dst) {
 130       BEGIN_RING(chan, RING_2D_(NVC0_2D_CLIP_X), 4);
 131       OUT_RING  (chan, 0);
 132       OUT_RING  (chan, 0);
 133       OUT_RING  (chan, width);
 134       OUT_RING  (chan, height);
 135    }
 136 #endif
 137    return 0;
 138 }
 139
 140 static int
 141 nvc0_2d_texture_do_copy(struct nouveau_channel *chan,
 142                         struct nvc0_miptree *dst, unsigned dst_level,
 143                         unsigned dx, unsigned dy, unsigned dz,
 144                         struct nvc0_miptree *src, unsigned src_level,
 145                         unsigned sx, unsigned sy, unsigned sz,
 146                         unsigned w, unsigned h)
 147 {
 148    int ret;
 149
 150    ret = MARK_RING(chan, 2 * 16 + 32, 4);
 151    if (ret)
 152       return ret;
 153
 154    ret = nvc0_2d_texture_set(chan, 1, dst, dst_level, dz);
 155    if (ret)
 156       return ret;
 157
 158    ret = nvc0_2d_texture_set(chan, 0, src, src_level, sz);
 159    if (ret)
 160       return ret;
 161
 162    /* 0/1 = CENTER/CORNER, 10/00 = POINT/BILINEAR */
 163    BEGIN_RING(chan, RING_2D(BLIT_CONTROL), 1);
 164    OUT_RING  (chan, 0);
 165    BEGIN_RING(chan, RING_2D(BLIT_DST_X), 4);
 166    OUT_RING  (chan, dx);
 167    OUT_RING  (chan, dy);
 168    OUT_RING  (chan, w);
 169    OUT_RING  (chan, h);
 170    BEGIN_RING(chan, RING_2D(BLIT_DU_DX_FRACT), 4);
 171    OUT_RING  (chan, 0);
 172    OUT_RING  (chan, 1);
 173    OUT_RING  (chan, 0);
 174    OUT_RING  (chan, 1);
 175    BEGIN_RING(chan, RING_2D(BLIT_SRC_X_FRACT), 4);
 176    OUT_RING  (chan, 0);
 177    OUT_RING  (chan, sx);
 178    OUT_RING  (chan, 0);
 179    OUT_RING  (chan, sy);
 180
 181    return 0;
 182 }
 183
 184 static void
 185 nvc0_resource_copy_region(struct pipe_context *pipe,
 186                           struct pipe_resource *dst, unsigned dst_level,
 187                           unsigned dstx, unsigned dsty, unsigned dstz,
 188                           struct pipe_resource *src, unsigned src_level,
 189                           const struct pipe_box *src_box)
 190 {
 191    struct nvc0_screen *screen = nvc0_context(pipe)->screen;
 192    int ret;
 193    unsigned dst_layer = dstz, src_layer = src_box->z;
 194
 195    assert((src->format == dst->format) ||
 196           (nvc0_2d_format_faithful(src->format) &&
 197            nvc0_2d_format_faithful(dst->format)));
 198
 199    for (; dst_layer < dstz + src_box->depth; ++dst_layer, ++src_layer) {
 200       ret = nvc0_2d_texture_do_copy(screen->base.channel,
 201                                     nvc0_miptree(dst), dst_level,
 202                                     dstx, dsty, dst_layer,
 203                                     nvc0_miptree(src), src_level,
 204                                     src_box->x, src_box->y, src_layer,
 205                                     src_box->width, src_box->height);
 206       if (ret)
 207          return;
 208    }
 209 }
 210
 211 static void
 212 nvc0_clear_render_target(struct pipe_context *pipe,
 213                          struct pipe_surface *dst,
 214                          const float *rgba,
 215                          unsigned dstx, unsigned dsty,
 216                          unsigned width, unsigned height)
 217 {
 218         struct nvc0_context *nv50 = nvc0_context(pipe);
 219         struct nvc0_screen *screen = nv50->screen;
 220         struct nouveau_channel *chan = screen->base.channel;
 221         struct nvc0_miptree *mt = nvc0_miptree(dst->texture);
 222         struct nvc0_surface *sf = nvc0_surface(dst);
 223         struct nouveau_bo *bo = mt->base.bo;
 224
 225         BEGIN_RING(chan, RING_3D(CLEAR_COLOR(0)), 4);
 226         OUT_RINGf (chan, rgba[0]);
 227         OUT_RINGf (chan, rgba[1]);
 228         OUT_RINGf (chan, rgba[2]);
 229         OUT_RINGf (chan, rgba[3]);
 230
 231         if (MARK_RING(chan, 18, 2))
 232                 return;
 233
 234         BEGIN_RING(chan, RING_3D(RT_CONTROL), 1);
 235         OUT_RING  (chan, 1);
 236         BEGIN_RING(chan, RING_3D(RT_ADDRESS_HIGH(0)), 8);
 237         OUT_RELOCh(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 238         OUT_RELOCl(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 239         OUT_RING  (chan, sf->width);
 240         OUT_RING  (chan, sf->height);
 241         OUT_RING  (chan, nvc0_format_table[dst->format].rt);
 242         OUT_RING  (chan, mt->level[sf->base.u.tex.level].tile_mode);
 243         OUT_RING  (chan, 1);
 244         OUT_RING  (chan, 0);
 245
 246         /* NOTE: only works with D3D clear flag (5097/0x143c bit 4) */
 247
 248         BEGIN_RING(chan, RING_3D(VIEWPORT_HORIZ(0)), 2);
 249         OUT_RING  (chan, (width << 16) | dstx);
 250         OUT_RING  (chan, (height << 16) | dsty);
 251
 252         BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
 253         OUT_RING  (chan, 0x3c);
 254
 255         nv50->dirty |= NVC0_NEW_FRAMEBUFFER;
 256 }
 257
 258 static void
 259 nvc0_clear_depth_stencil(struct pipe_context *pipe,
 260                          struct pipe_surface *dst,
 261                          unsigned clear_flags,
 262                          double depth,
 263                          unsigned stencil,
 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 nvc0_miptree *mt = nvc0_miptree(dst->texture);
 271         struct nvc0_surface *sf = nvc0_surface(dst);
 272         struct nouveau_bo *bo = mt->base.bo;
 273         uint32_t mode = 0;
 274
 275         if (clear_flags & PIPE_CLEAR_DEPTH) {
 276                 BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
 277                 OUT_RINGf (chan, depth);
 278                 mode |= NVC0_3D_CLEAR_BUFFERS_Z;
 279         }
 280
 281         if (clear_flags & PIPE_CLEAR_STENCIL) {
 282                 BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
 283                 OUT_RING  (chan, stencil & 0xff);
 284                 mode |= NVC0_3D_CLEAR_BUFFERS_S;
 285         }
 286
 287         if (MARK_RING(chan, 17, 2))
 288                 return;
 289
 290         BEGIN_RING(chan, RING_3D(ZETA_ADDRESS_HIGH), 5);
 291         OUT_RELOCh(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 292         OUT_RELOCl(chan, bo, sf->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 293         OUT_RING  (chan, nvc0_format_table[dst->format].rt);
 294         OUT_RING  (chan, mt->level[sf->base.u.tex.level].tile_mode);
 295         OUT_RING  (chan, 0);
 296         BEGIN_RING(chan, RING_3D(ZETA_ENABLE), 1);
 297         OUT_RING  (chan, 1);
 298         BEGIN_RING(chan, RING_3D(ZETA_HORIZ), 3);
 299         OUT_RING  (chan, sf->width);
 300         OUT_RING  (chan, sf->height);
 301         OUT_RING  (chan, (1 << 16) | 1);
 302
 303         BEGIN_RING(chan, RING_3D(VIEWPORT_HORIZ(0)), 2);
 304         OUT_RING  (chan, (width << 16) | dstx);
 305         OUT_RING  (chan, (height << 16) | dsty);
 306
 307         BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
 308         OUT_RING  (chan, mode);
 309
 310         nv50->dirty |= NVC0_NEW_FRAMEBUFFER;
 311 }
 312
 313 void
 314 nvc0_clear(struct pipe_context *pipe, unsigned buffers,
 315            const float *rgba, double depth, unsigned stencil)
 316 {
 317    struct nvc0_context *nvc0 = nvc0_context(pipe);
 318    struct nouveau_channel *chan = nvc0->screen->base.channel;
 319    struct pipe_framebuffer_state *fb = &nvc0->framebuffer;
 320    unsigned i;
 321    const unsigned dirty = nvc0->dirty;
 322    uint32_t mode = 0;
 323
 324    /* don't need NEW_BLEND, COLOR_MASK doesn't affect CLEAR_BUFFERS */
 325    nvc0->dirty &= NVC0_NEW_FRAMEBUFFER;
 326    if (!nvc0_state_validate(nvc0))
 327       return;
 328
 329    if (buffers & PIPE_CLEAR_COLOR && fb->nr_cbufs) {
 330       BEGIN_RING(chan, RING_3D(CLEAR_COLOR(0)), 4);
 331       OUT_RINGf (chan, rgba[0]);
 332       OUT_RINGf (chan, rgba[1]);
 333       OUT_RINGf (chan, rgba[2]);
 334       OUT_RINGf (chan, rgba[3]);
 335       mode =
 336          NVC0_3D_CLEAR_BUFFERS_R | NVC0_3D_CLEAR_BUFFERS_G |
 337          NVC0_3D_CLEAR_BUFFERS_B | NVC0_3D_CLEAR_BUFFERS_A;
 338    }
 339
 340    if (buffers & PIPE_CLEAR_DEPTH) {
 341       BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
 342       OUT_RING  (chan, fui(depth));
 343       mode |= NVC0_3D_CLEAR_BUFFERS_Z;
 344    }
 345
 346    if (buffers & PIPE_CLEAR_STENCIL) {
 347       BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
 348       OUT_RING  (chan, stencil & 0xff);
 349       mode |= NVC0_3D_CLEAR_BUFFERS_S;
 350    }
 351
 352    BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
 353    OUT_RING  (chan, mode);
 354
 355    for (i = 1; i < fb->nr_cbufs; i++) {
 356       BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
 357       OUT_RING  (chan, (i << 6) | 0x3c);
 358    }
 359
 360    nvc0->dirty = dirty & ~NVC0_NEW_FRAMEBUFFER;
 361 }
 362
 363 void
 364 nvc0_init_surface_functions(struct nvc0_context *nvc0)
 365 {
 366         nvc0->pipe.resource_copy_region = nvc0_resource_copy_region;
 367         nvc0->pipe.clear_render_target = nvc0_clear_render_target;
 368         nvc0->pipe.clear_depth_stencil = nvc0_clear_depth_stencil;
 369 }
 370
 371