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 /* return TRUE for formats that can be converted among each other by NVC0_2D */
  37 static INLINE boolean
  38 nvc0_2d_format_faithful(enum pipe_format format)
  39 {
  40    switch (format) {
  41    case PIPE_FORMAT_B8G8R8A8_UNORM:
  42    case PIPE_FORMAT_B8G8R8X8_UNORM:
  43    case PIPE_FORMAT_B8G8R8A8_SRGB:
  44    case PIPE_FORMAT_B8G8R8X8_SRGB:
  45    case PIPE_FORMAT_B5G6R5_UNORM:
  46    case PIPE_FORMAT_B5G5R5A1_UNORM:
  47    case PIPE_FORMAT_B10G10R10A2_UNORM:
  48    case PIPE_FORMAT_R8_UNORM:
  49    case PIPE_FORMAT_R32G32B32A32_FLOAT:
  50    case PIPE_FORMAT_R32G32B32_FLOAT:
  51       return TRUE;
  52    default:
  53       return FALSE;
  54    }
  55 }
  56
  57 static INLINE uint8_t
  58 nvc0_2d_format(enum pipe_format format)
  59 {
  60    uint8_t id = nvc0_format_table[format].rt;
  61
  62    /* Hardware values for color formats range from 0xc0 to 0xff,
  63     * but the 2D engine doesn't support all of them.
  64     */
  65    if ((id >= 0xc0) && (0xff0843e080608409ULL & (1ULL << (id - 0xc0))))
  66       return id;
  67
  68    switch (util_format_get_blocksize(format)) {
  69    case 1:
  70       return NV50_SURFACE_FORMAT_R8_UNORM;
  71    case 2:
  72       return NV50_SURFACE_FORMAT_R16_UNORM;
  73    case 4:
  74       return NV50_SURFACE_FORMAT_A8R8G8B8_UNORM;
  75    default:
  76       return 0;
  77    }
  78 }
  79
  80 static int
  81 nvc0_surface_set(struct nvc0_screen *screen, struct pipe_surface *ps, int dst)
  82 {
  83    struct nvc0_miptree *mt = nvc0_miptree(ps->texture);
  84    struct nouveau_channel *chan = screen->base.channel;
  85    struct nouveau_bo *bo = nvc0_miptree(ps->texture)->base.bo;
  86    int format, mthd = dst ? NVC0_2D_DST_FORMAT : NVC0_2D_SRC_FORMAT;
  87    int flags = NOUVEAU_BO_VRAM | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD);
  88
  89    format = nvc0_2d_format(ps->format);
  90    if (!format) {
  91       NOUVEAU_ERR("invalid/unsupported surface format: %s\n",
  92                   util_format_name(ps->format));
  93       return 1;
  94    }
  95
  96    if (!bo->tile_flags) {
  97       BEGIN_RING(chan, RING_2D_(mthd), 2);
  98       OUT_RING  (chan, format);
  99       OUT_RING  (chan, 1);
 100       BEGIN_RING(chan, RING_2D_(mthd + 0x14), 5);
 101       OUT_RING  (chan, mt->level[ps->level].pitch);
 102       OUT_RING  (chan, ps->width);
 103       OUT_RING  (chan, ps->height);
 104       OUT_RELOCh(chan, bo, ps->offset, flags);
 105       OUT_RELOCl(chan, bo, ps->offset, flags);
 106    } else {
 107       BEGIN_RING(chan, RING_2D_(mthd), 5);
 108       OUT_RING  (chan, format);
 109       OUT_RING  (chan, 0);
 110       OUT_RING  (chan, mt->level[ps->level].tile_mode);
 111       OUT_RING  (chan, 1);
 112       OUT_RING  (chan, 0);
 113       BEGIN_RING(chan, RING_2D_(mthd + 0x18), 4);
 114       OUT_RING  (chan, ps->width);
 115       OUT_RING  (chan, ps->height);
 116       OUT_RELOCh(chan, bo, ps->offset, flags);
 117       OUT_RELOCl(chan, bo, ps->offset, flags);
 118    }
 119
 120 #if 0
 121    if (dst) {
 122       BEGIN_RING(chan, RING_2D_(NVC0_2D_CLIP_X), 4);
 123       OUT_RING  (chan, 0);
 124       OUT_RING  (chan, 0);
 125       OUT_RING  (chan, surf->width);
 126       OUT_RING  (chan, surf->height);
 127    }
 128 #endif
 129    return 0;
 130 }
 131
 132 static int
 133 nvc0_surface_do_copy(struct nvc0_screen *screen,
 134                      struct pipe_surface *dst, int dx, int dy,
 135                      struct pipe_surface *src, int sx, int sy,
 136                      int w, int h)
 137 {
 138    struct nouveau_channel *chan = screen->base.channel;
 139    int ret;
 140
 141    ret = MARK_RING(chan, 2*16 + 32, 4);
 142    if (ret)
 143       return ret;
 144
 145    ret = nvc0_surface_set(screen, dst, 1);
 146    if (ret)
 147       return ret;
 148
 149    ret = nvc0_surface_set(screen, src, 0);
 150    if (ret)
 151       return ret;
 152
 153    /* 0/1 = CENTER/CORNER, 10/00 = POINT/BILINEAR */
 154    BEGIN_RING(chan, RING_2D(BLIT_CONTROL), 1);
 155    OUT_RING  (chan, 0);
 156    BEGIN_RING(chan, RING_2D(BLIT_DST_X), 4);
 157    OUT_RING  (chan, dx);
 158    OUT_RING  (chan, dy);
 159    OUT_RING  (chan, w);
 160    OUT_RING  (chan, h);
 161    BEGIN_RING(chan, RING_2D(BLIT_DU_DX_FRACT), 4);
 162    OUT_RING  (chan, 0);
 163    OUT_RING  (chan, 1);
 164    OUT_RING  (chan, 0);
 165    OUT_RING  (chan, 1);
 166    BEGIN_RING(chan, RING_2D(BLIT_SRC_X_FRACT), 4);
 167    OUT_RING  (chan, 0);
 168    OUT_RING  (chan, sx);
 169    OUT_RING  (chan, 0);
 170    OUT_RING  (chan, sy);
 171
 172    return 0;
 173 }
 174
 175 static void
 176 nvc0_surface_copy(struct pipe_context *pipe,
 177                   struct pipe_resource *dest, struct pipe_subresource subdst,
 178                   unsigned destx, unsigned desty, unsigned destz,
 179                   struct pipe_resource *src, struct pipe_subresource subsrc,
 180                   unsigned srcx, unsigned srcy, unsigned srcz,
 181                   unsigned width, unsigned height)
 182 {
 183    struct nvc0_context *nv50 = nvc0_context(pipe);
 184    struct nvc0_screen *screen = nv50->screen;
 185    struct pipe_surface *ps_dst, *ps_src;
 186
 187    assert((src->format == dest->format) ||
 188           (nvc0_2d_format_faithful(src->format) &&
 189            nvc0_2d_format_faithful(dest->format)));
 190
 191    ps_src = nvc0_miptree_surface_new(pipe->screen, src, subsrc.face,
 192                                      subsrc.level, srcz, 0 /* bind flags */);
 193    ps_dst = nvc0_miptree_surface_new(pipe->screen, dest, subdst.face,
 194                                      subdst.level, destz, 0 /* bind flags */);
 195
 196    nvc0_surface_do_copy(screen, ps_dst, destx, desty, ps_src, srcx,
 197                         srcy, width, height);
 198
 199    nvc0_miptree_surface_del(ps_src);
 200    nvc0_miptree_surface_del(ps_dst);
 201 }
 202
 203 static void
 204 nvc0_clear_render_target(struct pipe_context *pipe,
 205                          struct pipe_surface *dst,
 206                          const float *rgba,
 207                          unsigned dstx, unsigned dsty,
 208                          unsigned width, unsigned height)
 209 {
 210         struct nvc0_context *nv50 = nvc0_context(pipe);
 211         struct nvc0_screen *screen = nv50->screen;
 212         struct nouveau_channel *chan = screen->base.channel;
 213         struct nvc0_miptree *mt = nvc0_miptree(dst->texture);
 214         struct nouveau_bo *bo = mt->base.bo;
 215
 216         BEGIN_RING(chan, RING_3D(CLEAR_COLOR(0)), 4);
 217         OUT_RINGf (chan, rgba[0]);
 218         OUT_RINGf (chan, rgba[1]);
 219         OUT_RINGf (chan, rgba[2]);
 220         OUT_RINGf (chan, rgba[3]);
 221
 222         if (MARK_RING(chan, 18, 2))
 223                 return;
 224
 225         BEGIN_RING(chan, RING_3D(RT_CONTROL), 1);
 226         OUT_RING  (chan, 1);
 227         BEGIN_RING(chan, RING_3D(RT_ADDRESS_HIGH(0)), 8);
 228         OUT_RELOCh(chan, bo, dst->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 229         OUT_RELOCl(chan, bo, dst->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 230         OUT_RING  (chan, dst->width);
 231         OUT_RING  (chan, dst->height);
 232         OUT_RING  (chan, nvc0_format_table[dst->format].rt);
 233         OUT_RING  (chan, mt->level[dst->level].tile_mode);
 234         OUT_RING  (chan, 1);
 235         OUT_RING  (chan, 0);
 236
 237         /* NOTE: only works with D3D clear flag (5097/0x143c bit 4) */
 238
 239         BEGIN_RING(chan, RING_3D(VIEWPORT_HORIZ(0)), 2);
 240         OUT_RING  (chan, (width << 16) | dstx);
 241         OUT_RING  (chan, (height << 16) | dsty);
 242
 243         BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
 244         OUT_RING  (chan, 0x3c);
 245
 246         nv50->dirty |= NVC0_NEW_FRAMEBUFFER;
 247 }
 248
 249 static void
 250 nvc0_clear_depth_stencil(struct pipe_context *pipe,
 251                          struct pipe_surface *dst,
 252                          unsigned clear_flags,
 253                          double depth,
 254                          unsigned stencil,
 255                          unsigned dstx, unsigned dsty,
 256                          unsigned width, unsigned height)
 257 {
 258         struct nvc0_context *nv50 = nvc0_context(pipe);
 259         struct nvc0_screen *screen = nv50->screen;
 260         struct nouveau_channel *chan = screen->base.channel;
 261         struct nvc0_miptree *mt = nvc0_miptree(dst->texture);
 262         struct nouveau_bo *bo = mt->base.bo;
 263         uint32_t mode = 0;
 264
 265         if (clear_flags & PIPE_CLEAR_DEPTH) {
 266                 BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
 267                 OUT_RINGf (chan, depth);
 268                 mode |= NVC0_3D_CLEAR_BUFFERS_Z;
 269         }
 270
 271         if (clear_flags & PIPE_CLEAR_STENCIL) {
 272                 BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
 273                 OUT_RING  (chan, stencil & 0xff);
 274                 mode |= NVC0_3D_CLEAR_BUFFERS_S;
 275         }
 276
 277         if (MARK_RING(chan, 17, 2))
 278                 return;
 279
 280         BEGIN_RING(chan, RING_3D(ZETA_ADDRESS_HIGH), 5);
 281         OUT_RELOCh(chan, bo, dst->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 282         OUT_RELOCl(chan, bo, dst->offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 283         OUT_RING  (chan, nvc0_format_table[dst->format].rt);
 284         OUT_RING  (chan, mt->level[dst->level].tile_mode);
 285         OUT_RING  (chan, 0);
 286         BEGIN_RING(chan, RING_3D(ZETA_ENABLE), 1);
 287         OUT_RING  (chan, 1);
 288         BEGIN_RING(chan, RING_3D(ZETA_HORIZ), 3);
 289         OUT_RING  (chan, dst->width);
 290         OUT_RING  (chan, dst->height);
 291         OUT_RING  (chan, (1 << 16) | 1);
 292
 293         BEGIN_RING(chan, RING_3D(VIEWPORT_HORIZ(0)), 2);
 294         OUT_RING  (chan, (width << 16) | dstx);
 295         OUT_RING  (chan, (height << 16) | dsty);
 296
 297         BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
 298         OUT_RING  (chan, mode);
 299
 300         nv50->dirty |= NVC0_NEW_FRAMEBUFFER;
 301 }
 302
 303 void
 304 nvc0_clear(struct pipe_context *pipe, unsigned buffers,
 305            const float *rgba, double depth, unsigned stencil)
 306 {
 307    struct nvc0_context *nvc0 = nvc0_context(pipe);
 308    struct nouveau_channel *chan = nvc0->screen->base.channel;
 309    struct pipe_framebuffer_state *fb = &nvc0->framebuffer;
 310    unsigned i;
 311    const unsigned dirty = nvc0->dirty;
 312    uint32_t mode = 0;
 313
 314    /* don't need NEW_BLEND, COLOR_MASK doesn't affect CLEAR_BUFFERS */
 315    nvc0->dirty &= NVC0_NEW_FRAMEBUFFER;
 316    if (!nvc0_state_validate(nvc0))
 317       return;
 318
 319    if (buffers & PIPE_CLEAR_COLOR && fb->nr_cbufs) {
 320       BEGIN_RING(chan, RING_3D(CLEAR_COLOR(0)), 4);
 321       OUT_RINGf (chan, rgba[0]);
 322       OUT_RINGf (chan, rgba[1]);
 323       OUT_RINGf (chan, rgba[2]);
 324       OUT_RINGf (chan, rgba[3]);
 325       mode =
 326          NVC0_3D_CLEAR_BUFFERS_R | NVC0_3D_CLEAR_BUFFERS_G |
 327          NVC0_3D_CLEAR_BUFFERS_B | NVC0_3D_CLEAR_BUFFERS_A;
 328    }
 329
 330    if (buffers & PIPE_CLEAR_DEPTH) {
 331       BEGIN_RING(chan, RING_3D(CLEAR_DEPTH), 1);
 332       OUT_RING  (chan, fui(depth));
 333       mode |= NVC0_3D_CLEAR_BUFFERS_Z;
 334    }
 335
 336    if (buffers & PIPE_CLEAR_STENCIL) {
 337       BEGIN_RING(chan, RING_3D(CLEAR_STENCIL), 1);
 338       OUT_RING  (chan, stencil & 0xff);
 339       mode |= NVC0_3D_CLEAR_BUFFERS_S;
 340    }
 341
 342    BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
 343    OUT_RING  (chan, mode);
 344
 345    for (i = 1; i < fb->nr_cbufs; i++) {
 346       BEGIN_RING(chan, RING_3D(CLEAR_BUFFERS), 1);
 347       OUT_RING  (chan, (i << 6) | 0x3c);
 348    }
 349
 350    nvc0->dirty = dirty & ~NVC0_NEW_FRAMEBUFFER;
 351 }
 352
 353 void
 354 nvc0_init_surface_functions(struct nvc0_context *nvc0)
 355 {
 356         nvc0->pipe.resource_copy_region = nvc0_surface_copy;
 357         nvc0->pipe.clear_render_target = nvc0_clear_render_target;
 358         nvc0->pipe.clear_depth_stencil = nvc0_clear_depth_stencil;
 359 }
 360
 361