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