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