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_screen.h"
  37 #include "svga_context.h"
  38 #include "svga_resource_texture.h"
  39 #include "svga_surface.h"
  40 #include "svga_winsys.h"
  41 #include "svga_debug.h"
  42
  43 #include <util/u_string.h>
  44
  45
  46 void
  47 svga_texture_copy_handle(struct svga_context *svga,
  48                          struct svga_screen *ss,
  49                          struct svga_winsys_surface *src_handle,
  50                          unsigned src_x, unsigned src_y, unsigned src_z,
  51                          unsigned src_level, unsigned src_face,
  52                          struct svga_winsys_surface *dst_handle,
  53                          unsigned dst_x, unsigned dst_y, unsigned dst_z,
  54                          unsigned dst_level, unsigned dst_face,
  55                          unsigned width, unsigned height, unsigned depth)
  56 {
  57    struct svga_surface dst, src;
  58    enum pipe_error ret;
  59    SVGA3dCopyBox box, *boxes;
  60
  61    assert(svga || ss);
  62
  63    src.handle = src_handle;
  64    src.real_level = src_level;
  65    src.real_face = src_face;
  66    src.real_zslice = 0;
  67
  68    dst.handle = dst_handle;
  69    dst.real_level = dst_level;
  70    dst.real_face = dst_face;
  71    dst.real_zslice = 0;
  72
  73    box.x = dst_x;
  74    box.y = dst_y;
  75    box.z = dst_z;
  76    box.w = width;
  77    box.h = height;
  78    box.d = depth;
  79    box.srcx = src_x;
  80    box.srcy = src_y;
  81    box.srcz = src_z;
  82
  83 /*
  84    SVGA_DBG(DEBUG_VIEWS, "mipcopy src: %p %u (%ux%ux%u), dst: %p %u (%ux%ux%u)\n",
  85             src_handle, src_level, src_x, src_y, src_z,
  86             dst_handle, dst_level, dst_x, dst_y, dst_z);
  87 */
  88
  89    if (svga) {
  90       ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  91                                     &src.base,
  92                                     &dst.base,
  93                                     &boxes, 1);
  94       if(ret != PIPE_OK) {
  95          svga_context_flush(svga, NULL);
  96          ret = SVGA3D_BeginSurfaceCopy(svga->swc,
  97                                        &src.base,
  98                                        &dst.base,
  99                                        &boxes, 1);
 100          assert(ret == PIPE_OK);
 101       }
 102       *boxes = box;
 103       SVGA_FIFOCommitAll(svga->swc);
 104    } else {
 105       pipe_mutex_lock(ss->swc_mutex);
 106       ret = SVGA3D_BeginSurfaceCopy(ss->swc,
 107                                     &src.base,
 108                                     &dst.base,
 109                                     &boxes, 1);
 110       if(ret != PIPE_OK) {
 111          ss->swc->flush(ss->swc, NULL);
 112          ret = SVGA3D_BeginSurfaceCopy(ss->swc,
 113                                        &src.base,
 114                                        &dst.base,
 115                                        &boxes, 1);
 116          assert(ret == PIPE_OK);
 117       }
 118       *boxes = box;
 119       SVGA_FIFOCommitAll(ss->swc);
 120       pipe_mutex_unlock(ss->swc_mutex);
 121    }
 122 }
 123
 124
 125 struct svga_winsys_surface *
 126 svga_texture_view_surface(struct pipe_context *pipe,
 127                           struct svga_texture *tex,
 128                           SVGA3dSurfaceFormat format,
 129                           unsigned start_mip,
 130                           unsigned num_mip,
 131                           int face_pick,
 132                           int zslice_pick,
 133                           struct svga_host_surface_cache_key *key) /* OUT */
 134 {
 135    struct svga_screen *ss = svga_screen(pipe->screen);
 136    struct svga_winsys_surface *handle;
 137    uint32_t i, j;
 138    unsigned z_offset = 0;
 139
 140    SVGA_DBG(DEBUG_PERF,
 141             "svga: Create surface view: face %d zslice %d mips %d..%d\n",
 142             face_pick, zslice_pick, start_mip, start_mip+num_mip-1);
 143
 144    key->flags = 0;
 145    key->format = format;
 146    key->numMipLevels = num_mip;
 147    key->size.width = u_minify(tex->b.b.width0, start_mip);
 148    key->size.height = u_minify(tex->b.b.height0, start_mip);
 149    key->size.depth = zslice_pick < 0 ? u_minify(tex->b.b.depth0, start_mip) : 1;
 150    key->cachable = 1;
 151    assert(key->size.depth == 1);
 152
 153    if(tex->b.b.target == PIPE_TEXTURE_CUBE && face_pick < 0) {
 154       key->flags |= SVGA3D_SURFACE_CUBEMAP;
 155       key->numFaces = 6;
 156    } else {
 157       key->numFaces = 1;
 158    }
 159
 160    if(key->format == SVGA3D_FORMAT_INVALID) {
 161       key->cachable = 0;
 162       return NULL;
 163    }
 164
 165    SVGA_DBG(DEBUG_DMA, "surface_create for texture view\n");
 166    handle = svga_screen_surface_create(ss, key);
 167    if (!handle) {
 168       key->cachable = 0;
 169       return NULL;
 170    }
 171
 172    SVGA_DBG(DEBUG_DMA, " --> got sid %p (texture view)\n", handle);
 173
 174    if (face_pick < 0)
 175       face_pick = 0;
 176
 177    if (zslice_pick >= 0)
 178        z_offset = zslice_pick;
 179
 180    for (i = 0; i < key->numMipLevels; i++) {
 181       for (j = 0; j < key->numFaces; j++) {
 182          if(tex->defined[j + face_pick][i + start_mip]) {
 183             unsigned depth = (zslice_pick < 0 ?
 184                               u_minify(tex->b.b.depth0, i + start_mip) :
 185                               1);
 186
 187             svga_texture_copy_handle(svga_context(pipe),
 188                                      ss,
 189                                      tex->handle,
 190                                      0, 0, z_offset,
 191                                      i + start_mip,
 192                                      j + face_pick,
 193                                      handle, 0, 0, 0, i, j,
 194                                      u_minify(tex->b.b.width0, i + start_mip),
 195                                      u_minify(tex->b.b.height0, i + start_mip),
 196                                      depth);
 197          }
 198       }
 199    }
 200
 201    return handle;
 202 }
 203
 204
 205 static struct pipe_surface *
 206 svga_get_tex_surface(struct pipe_screen *screen,
 207                      struct pipe_resource *pt,
 208                      unsigned face, unsigned level, unsigned zslice,
 209                      unsigned flags)
 210 {
 211    struct svga_texture *tex = svga_texture(pt);
 212    struct svga_surface *s;
 213    boolean render = (flags & (PIPE_BIND_RENDER_TARGET |
 214                               PIPE_BIND_DEPTH_STENCIL)) ? TRUE : FALSE;
 215    boolean view = FALSE;
 216    SVGA3dSurfaceFormat format;
 217
 218    s = CALLOC_STRUCT(svga_surface);
 219    if (!s)
 220       return NULL;
 221
 222    pipe_reference_init(&s->base.reference, 1);
 223    pipe_resource_reference(&s->base.texture, pt);
 224    s->base.format = pt->format;
 225    s->base.width = u_minify(pt->width0, level);
 226    s->base.height = u_minify(pt->height0, level);
 227    s->base.usage = flags;
 228    s->base.level = level;
 229    s->base.face = face;
 230    s->base.zslice = zslice;
 231
 232    if (!render)
 233       format = svga_translate_format(pt->format);
 234    else
 235       format = svga_translate_format_render(pt->format);
 236
 237    assert(format != SVGA3D_FORMAT_INVALID);
 238
 239    if (svga_screen(screen)->debug.force_surface_view)
 240       view = TRUE;
 241
 242    /* Currently only used for compressed textures */
 243    if (render &&
 244        format != svga_translate_format(pt->format)) {
 245       view = TRUE;
 246    }
 247
 248    if (level != 0 &&
 249        svga_screen(screen)->debug.force_level_surface_view)
 250       view = TRUE;
 251
 252    if (pt->target == PIPE_TEXTURE_3D)
 253       view = TRUE;
 254
 255    if (svga_screen(screen)->debug.no_surface_view)
 256       view = FALSE;
 257
 258    if (view) {
 259       SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: yes %p, level %u face %u z %u, %p\n",
 260                pt, level, face, zslice, s);
 261
 262       s->handle = svga_texture_view_surface(NULL, tex, format, level, 1, face, zslice,
 263                                             &s->key);
 264       s->real_face = 0;
 265       s->real_level = 0;
 266       s->real_zslice = 0;
 267    } else {
 268       SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: no %p, level %u, face %u, z %u, %p\n",
 269                pt, level, face, zslice, s);
 270
 271       memset(&s->key, 0, sizeof s->key);
 272       s->handle = tex->handle;
 273       s->real_face = face;
 274       s->real_level = level;
 275       s->real_zslice = zslice;
 276    }
 277
 278    return &s->base;
 279 }
 280
 281
 282 static void
 283 svga_tex_surface_destroy(struct pipe_surface *surf)
 284 {
 285    struct svga_surface *s = svga_surface(surf);
 286    struct svga_texture *t = svga_texture(surf->texture);
 287    struct svga_screen *ss = svga_screen(surf->texture->screen);
 288
 289    if(s->handle != t->handle) {
 290       SVGA_DBG(DEBUG_DMA, "unref sid %p (tex surface)\n", s->handle);
 291       svga_screen_surface_destroy(ss, &s->key, &s->handle);
 292    }
 293
 294    pipe_resource_reference(&surf->texture, NULL);
 295    FREE(surf);
 296 }
 297
 298
 299 static INLINE void
 300 svga_mark_surface_dirty(struct pipe_surface *surf)
 301 {
 302    struct svga_surface *s = svga_surface(surf);
 303
 304    if(!s->dirty) {
 305       struct svga_texture *tex = svga_texture(surf->texture);
 306
 307       s->dirty = TRUE;
 308
 309       if (s->handle == tex->handle)
 310          tex->defined[surf->face][surf->level] = TRUE;
 311       else {
 312          /* this will happen later in svga_propagate_surface */
 313       }
 314    }
 315 }
 316
 317
 318 void svga_mark_surfaces_dirty(struct svga_context *svga)
 319 {
 320    unsigned i;
 321
 322    for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 323       if (svga->curr.framebuffer.cbufs[i])
 324          svga_mark_surface_dirty(svga->curr.framebuffer.cbufs[i]);
 325    }
 326    if (svga->curr.framebuffer.zsbuf)
 327       svga_mark_surface_dirty(svga->curr.framebuffer.zsbuf);
 328 }
 329
 330
 331 /**
 332  * Progagate any changes from surfaces to texture.
 333  * pipe is optional context to inline the blit command in.
 334  */
 335 void
 336 svga_propagate_surface(struct pipe_context *pipe, struct pipe_surface *surf)
 337 {
 338    struct svga_surface *s = svga_surface(surf);
 339    struct svga_texture *tex = svga_texture(surf->texture);
 340    struct svga_screen *ss = svga_screen(surf->texture->screen);
 341
 342    if (!s->dirty)
 343       return;
 344
 345    s->dirty = FALSE;
 346    ss->texture_timestamp++;
 347    tex->view_age[surf->level] = ++(tex->age);
 348
 349    if (s->handle != tex->handle) {
 350       SVGA_DBG(DEBUG_VIEWS, "svga: Surface propagate: tex %p, level %u, from %p\n", tex, surf->level, surf);
 351       svga_texture_copy_handle(svga_context(pipe), ss,
 352                                s->handle, 0, 0, 0, s->real_level, s->real_face,
 353                                tex->handle, 0, 0, surf->zslice, surf->level, surf->face,
 354                                u_minify(tex->b.b.width0, surf->level),
 355                                u_minify(tex->b.b.height0, surf->level), 1);
 356       tex->defined[surf->face][surf->level] = TRUE;
 357    }
 358 }
 359
 360 /**
 361  * Check if we should call svga_propagate_surface on the surface.
 362  */
 363 boolean
 364 svga_surface_needs_propagation(struct pipe_surface *surf)
 365 {
 366    struct svga_surface *s = svga_surface(surf);
 367    struct svga_texture *tex = svga_texture(surf->texture);
 368
 369    return s->dirty && s->handle != tex->handle;
 370 }
 371
 372
 373
 374
 375
 376
 377 void
 378 svga_screen_init_surface_functions(struct pipe_screen *screen)
 379 {
 380    screen->get_tex_surface = svga_get_tex_surface;
 381    screen->tex_surface_destroy = svga_tex_surface_destroy;
 382 }
 383