src/gallium/drivers/svga/svga_surface.c

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 #include "svga_cmd.h"
  27
  28 #include "pipe/p_state.h"
  29 #include "pipe/p_defines.h"
  30 #include "util/u_inlines.h"
  31 #include "os/os_thread.h"
  32 #include "util/u_format.h"
  33 #include "util/u_math.h"
  34 #include "util/u_memory.h"
  35
  36 #include "svga_format.h"
  37 #include "svga_screen.h"
  38 #include "svga_context.h"
  39 #include "svga_resource_texture.h"
  40 #include "svga_surface.h"
  41 #include "svga_debug.h"
  42
  43
  44 void
  45 svga_texture_copy_handle(struct svga_context *svga,
  46                          struct svga_winsys_surface *src_handle,
  47                          unsigned src_x, unsigned src_y, unsigned src_z,
  48                          unsigned src_level, unsigned src_face,
  49                          struct svga_winsys_surface *dst_handle,
  50                          unsigned dst_x, unsigned dst_y, unsigned dst_z,
  51                          unsigned dst_level, unsigned dst_face,
  52                          unsigned width, unsigned height, unsigned depth)
  53 {
  54    struct svga_surface dst, src;
  55    enum pipe_error ret;
  56    SVGA3dCopyBox box, *boxes;
  57
  58    assert(svga);
  59
  60    src.handle = src_handle;
  61    src.real_level = src_level;
  62    src.real_face = src_face;
  63    src.real_zslice = 0;
  64
  65    dst.handle = dst_handle;
  66    dst.real_level = dst_level;
  67    dst.real_face = dst_face;
  68    dst.real_zslice = 0;
  69
  70    box.x = dst_x;
  71    box.y = dst_y;
  72    box.z = dst_z;
  73    box.w = width;
  74    box.h = height;
  75    box.d = depth;
  76    box.srcx = src_x;
  77    box.srcy = src_y;
  78    box.srcz = src_z;
  79
  80 /*
  81    SVGA_DBG(DEBUG_VIEWS, "mipcopy src: %p %u (%ux%ux%u), dst: %p %u (%ux%ux%u)\n",
  82             src_handle, src_level, src_x, src_y, src_z,
  83             dst_handle, dst_level, dst_x, dst_y, dst_z);
  84 */
  85
  86    ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  87                                  &src.base,
  88                                  &dst.base,
  89                                  &boxes, 1);
  90    if (ret != PIPE_OK) {
  91       svga_context_flush(svga, NULL);
  92       ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  93                                     &src.base,
  94                                     &dst.base,
  95                                     &boxes, 1);
  96       assert(ret == PIPE_OK);
  97    }
  98    *boxes = box;
  99    SVGA_FIFOCommitAll(svga->swc);
 100 }
 101
 102
 103 struct svga_winsys_surface *
 104 svga_texture_view_surface(struct svga_context *svga,
 105                           struct svga_texture *tex,
 106                           SVGA3dSurfaceFlags flags,
 107                           SVGA3dSurfaceFormat format,
 108                           unsigned start_mip,
 109                           unsigned num_mip,
 110                           int face_pick,
 111                           int zslice_pick,
 112                           struct svga_host_surface_cache_key *key) /* OUT */
 113 {
 114    struct svga_screen *ss = svga_screen(svga->pipe.screen);
 115    struct svga_winsys_surface *handle;
 116    uint32_t i, j;
 117    unsigned z_offset = 0;
 118
 119    SVGA_DBG(DEBUG_PERF,
 120             "svga: Create surface view: face %d zslice %d mips %d..%d\n",
 121             face_pick, zslice_pick, start_mip, start_mip+num_mip-1);
 122
 123    key->flags = flags;
 124    key->format = format;
 125    key->numMipLevels = num_mip;
 126    key->size.width = u_minify(tex->b.b.width0, start_mip);
 127    key->size.height = u_minify(tex->b.b.height0, start_mip);
 128    key->size.depth = zslice_pick < 0 ? u_minify(tex->b.b.depth0, start_mip) : 1;
 129    key->cachable = 1;
 130    assert(key->size.depth == 1);
 131
 132    if (tex->b.b.target == PIPE_TEXTURE_CUBE && face_pick < 0) {
 133       key->flags |= SVGA3D_SURFACE_CUBEMAP;
 134       key->numFaces = 6;
 135    } else {
 136       key->numFaces = 1;
 137    }
 138
 139    if (key->format == SVGA3D_FORMAT_INVALID) {
 140       key->cachable = 0;
 141       return NULL;
 142    }
 143
 144    SVGA_DBG(DEBUG_DMA, "surface_create for texture view\n");
 145    handle = svga_screen_surface_create(ss, key);
 146    if (!handle) {
 147       key->cachable = 0;
 148       return NULL;
 149    }
 150
 151    SVGA_DBG(DEBUG_DMA, " --> got sid %p (texture view)\n", handle);
 152
 153    if (face_pick < 0)
 154       face_pick = 0;
 155
 156    if (zslice_pick >= 0)
 157       z_offset = zslice_pick;
 158
 159    for (i = 0; i < key->numMipLevels; i++) {
 160       for (j = 0; j < key->numFaces; j++) {
 161          if (svga_is_texture_level_defined(tex, j + face_pick, i + start_mip)) {
 162             unsigned depth = (zslice_pick < 0 ?
 163                               u_minify(tex->b.b.depth0, i + start_mip) :
 164                               1);
 165
 166             svga_texture_copy_handle(svga,
 167                                      tex->handle,
 168                                      0, 0, z_offset,
 169                                      i + start_mip,
 170                                      j + face_pick,
 171                                      handle, 0, 0, 0, i, j,
 172                                      u_minify(tex->b.b.width0, i + start_mip),
 173                                      u_minify(tex->b.b.height0, i + start_mip),
 174                                      depth);
 175          }
 176       }
 177    }
 178
 179    return handle;
 180 }
 181
 182
 183 static struct pipe_surface *
 184 svga_create_surface(struct pipe_context *pipe,
 185                     struct pipe_resource *pt,
 186                     const struct pipe_surface *surf_tmpl)
 187 {
 188    struct svga_context *svga = svga_context(pipe);
 189    struct svga_texture *tex = svga_texture(pt);
 190    struct pipe_screen *screen = pipe->screen;
 191    struct svga_screen *ss = svga_screen(screen);
 192    struct svga_surface *s;
 193    unsigned face, zslice;
 194    boolean view = FALSE;
 195    SVGA3dSurfaceFlags flags;
 196    SVGA3dSurfaceFormat format;
 197
 198    assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
 199
 200    s = CALLOC_STRUCT(svga_surface);
 201    if (!s)
 202       return NULL;
 203
 204    if (pt->target == PIPE_TEXTURE_CUBE) {
 205       face = surf_tmpl->u.tex.first_layer;
 206       zslice = 0;
 207    }
 208    else {
 209       face = 0;
 210       zslice = surf_tmpl->u.tex.first_layer;
 211    }
 212
 213    pipe_reference_init(&s->base.reference, 1);
 214    pipe_resource_reference(&s->base.texture, pt);
 215    s->base.context = pipe;
 216    s->base.format = surf_tmpl->format;
 217    s->base.width = u_minify(pt->width0, surf_tmpl->u.tex.level);
 218    s->base.height = u_minify(pt->height0, surf_tmpl->u.tex.level);
 219    s->base.u.tex.level = surf_tmpl->u.tex.level;
 220    s->base.u.tex.first_layer = surf_tmpl->u.tex.first_layer;
 221    s->base.u.tex.last_layer = surf_tmpl->u.tex.last_layer;
 222
 223    if (util_format_is_depth_or_stencil(surf_tmpl->format)) {
 224       flags = SVGA3D_SURFACE_HINT_DEPTHSTENCIL;
 225    }
 226    else {
 227       flags = SVGA3D_SURFACE_HINT_RENDERTARGET;
 228    }
 229
 230    format = svga_translate_format(ss, surf_tmpl->format, 0);
 231    assert(format != SVGA3D_FORMAT_INVALID);
 232
 233    if (svga_screen(screen)->debug.force_surface_view)
 234       view = TRUE;
 235
 236    /* Currently only used for compressed textures */
 237    if (format != svga_translate_format(ss, surf_tmpl->format, 0)) {
 238       view = TRUE;
 239    }
 240
 241    if (surf_tmpl->u.tex.level != 0 &&
 242        svga_screen(screen)->debug.force_level_surface_view)
 243       view = TRUE;
 244
 245    if (pt->target == PIPE_TEXTURE_3D)
 246       view = TRUE;
 247
 248    if (svga_screen(screen)->debug.no_surface_view)
 249       view = FALSE;
 250
 251    if (view) {
 252       SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: yes %p, level %u face %u z %u, %p\n",
 253                pt, surf_tmpl->u.tex.level, face, zslice, s);
 254
 255       s->handle = svga_texture_view_surface(svga, tex, flags, format,
 256                                             surf_tmpl->u.tex.level,
 257                                             1, face, zslice, &s->key);
 258       s->real_face = 0;
 259       s->real_level = 0;
 260       s->real_zslice = 0;
 261    } else {
 262       SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: no %p, level %u, face %u, z %u, %p\n",
 263                pt, surf_tmpl->u.tex.level, face, zslice, s);
 264
 265       memset(&s->key, 0, sizeof s->key);
 266       s->handle = tex->handle;
 267       s->real_face = face;
 268       s->real_zslice = zslice;
 269       s->real_level = surf_tmpl->u.tex.level;
 270    }
 271
 272    return &s->base;
 273 }
 274
 275
 276 static void
 277 svga_surface_destroy(struct pipe_context *pipe,
 278                      struct pipe_surface *surf)
 279 {
 280    struct svga_surface *s = svga_surface(surf);
 281    struct svga_texture *t = svga_texture(surf->texture);
 282    struct svga_screen *ss = svga_screen(surf->texture->screen);
 283
 284    if (s->handle != t->handle) {
 285       SVGA_DBG(DEBUG_DMA, "unref sid %p (tex surface)\n", s->handle);
 286       svga_screen_surface_destroy(ss, &s->key, &s->handle);
 287    }
 288
 289    pipe_resource_reference(&surf->texture, NULL);
 290    FREE(surf);
 291 }
 292
 293
 294 static INLINE void
 295 svga_mark_surface_dirty(struct pipe_surface *surf)
 296 {
 297    struct svga_surface *s = svga_surface(surf);
 298
 299    if (!s->dirty) {
 300       struct svga_texture *tex = svga_texture(surf->texture);
 301
 302       s->dirty = TRUE;
 303
 304       if (s->handle == tex->handle) {
 305          /* hmm so 3d textures always have all their slices marked ? */
 306          if (surf->texture->target == PIPE_TEXTURE_CUBE)
 307             svga_define_texture_level(tex, surf->u.tex.first_layer,
 308                                       surf->u.tex.level);
 309          else
 310             svga_define_texture_level(tex, 0, surf->u.tex.level);
 311       }
 312       else {
 313          /* this will happen later in svga_propagate_surface */
 314       }
 315
 316       /* Increment the view_age and texture age for this surface's mipmap
 317        * level so that any sampler views into the texture are re-validated too.
 318        */
 319       svga_age_texture_view(tex, surf->u.tex.level);
 320    }
 321 }
 322
 323
 324 void
 325 svga_mark_surfaces_dirty(struct svga_context *svga)
 326 {
 327    struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
 328    unsigned i;
 329
 330    for (i = 0; i < svgascreen->max_color_buffers; i++) {
 331       if (svga->curr.framebuffer.cbufs[i])
 332          svga_mark_surface_dirty(svga->curr.framebuffer.cbufs[i]);
 333    }
 334    if (svga->curr.framebuffer.zsbuf)
 335       svga_mark_surface_dirty(svga->curr.framebuffer.zsbuf);
 336 }
 337
 338
 339 /**
 340  * Progagate any changes from surfaces to texture.
 341  * pipe is optional context to inline the blit command in.
 342  */
 343 void
 344 svga_propagate_surface(struct svga_context *svga, struct pipe_surface *surf)
 345 {
 346    struct svga_surface *s = svga_surface(surf);
 347    struct svga_texture *tex = svga_texture(surf->texture);
 348    struct svga_screen *ss = svga_screen(surf->texture->screen);
 349    unsigned zslice, face;
 350
 351    if (!s->dirty)
 352       return;
 353
 354    if (surf->texture->target == PIPE_TEXTURE_CUBE) {
 355       zslice = 0;
 356       face = surf->u.tex.first_layer;
 357    }
 358    else {
 359       zslice = surf->u.tex.first_layer;
 360       face = 0;
 361    }
 362
 363    s->dirty = FALSE;
 364    ss->texture_timestamp++;
 365    svga_age_texture_view(tex, surf->u.tex.level);
 366
 367    if (s->handle != tex->handle) {
 368       SVGA_DBG(DEBUG_VIEWS,
 369                "svga: Surface propagate: tex %p, level %u, from %p\n",
 370                tex, surf->u.tex.level, surf);
 371       svga_texture_copy_handle(svga,
 372                                s->handle, 0, 0, 0, s->real_level, s->real_face,
 373                                tex->handle, 0, 0, zslice, surf->u.tex.level, face,
 374                                u_minify(tex->b.b.width0, surf->u.tex.level),
 375                                u_minify(tex->b.b.height0, surf->u.tex.level), 1);
 376       svga_define_texture_level(tex, face, surf->u.tex.level);
 377    }
 378 }
 379
 380
 381 /**
 382  * Check if we should call svga_propagate_surface on the surface.
 383  */
 384 boolean
 385 svga_surface_needs_propagation(const struct pipe_surface *surf)
 386 {
 387    const struct svga_surface *s = svga_surface_const(surf);
 388    struct svga_texture *tex = svga_texture(surf->texture);
 389
 390    return s->dirty && s->handle != tex->handle;
 391 }
 392
 393
 394
 395 void
 396 svga_init_surface_functions(struct svga_context *svga)
 397 {
 398    svga->pipe.create_surface = svga_create_surface;
 399    svga->pipe.surface_destroy = svga_surface_destroy;
 400 }