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_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 pipe_context *pipe,
 105                           struct svga_texture *tex,
 106                           SVGA3dSurfaceFormat format,
 107                           unsigned start_mip,
 108                           unsigned num_mip,
 109                           int face_pick,
 110                           int zslice_pick,
 111                           struct svga_host_surface_cache_key *key) /* OUT */
 112 {
 113    struct svga_screen *ss = svga_screen(pipe->screen);
 114    struct svga_winsys_surface *handle;
 115    uint32_t i, j;
 116    unsigned z_offset = 0;
 117
 118    SVGA_DBG(DEBUG_PERF,
 119             "svga: Create surface view: face %d zslice %d mips %d..%d\n",
 120             face_pick, zslice_pick, start_mip, start_mip+num_mip-1);
 121
 122    key->flags = 0;
 123    key->format = format;
 124    key->numMipLevels = num_mip;
 125    key->size.width = u_minify(tex->b.b.width0, start_mip);
 126    key->size.height = u_minify(tex->b.b.height0, start_mip);
 127    key->size.depth = zslice_pick < 0 ? u_minify(tex->b.b.depth0, start_mip) : 1;
 128    key->cachable = 1;
 129    assert(key->size.depth == 1);
 130
 131    if(tex->b.b.target == PIPE_TEXTURE_CUBE && face_pick < 0) {
 132       key->flags |= SVGA3D_SURFACE_CUBEMAP;
 133       key->numFaces = 6;
 134    } else {
 135       key->numFaces = 1;
 136    }
 137
 138    if(key->format == SVGA3D_FORMAT_INVALID) {
 139       key->cachable = 0;
 140       return NULL;
 141    }
 142
 143    SVGA_DBG(DEBUG_DMA, "surface_create for texture view\n");
 144    handle = svga_screen_surface_create(ss, key);
 145    if (!handle) {
 146       key->cachable = 0;
 147       return NULL;
 148    }
 149
 150    SVGA_DBG(DEBUG_DMA, " --> got sid %p (texture view)\n", handle);
 151
 152    if (face_pick < 0)
 153       face_pick = 0;
 154
 155    if (zslice_pick >= 0)
 156        z_offset = zslice_pick;
 157
 158    for (i = 0; i < key->numMipLevels; i++) {
 159       for (j = 0; j < key->numFaces; j++) {
 160          if(tex->defined[j + face_pick][i + start_mip]) {
 161             unsigned depth = (zslice_pick < 0 ?
 162                               u_minify(tex->b.b.depth0, i + start_mip) :
 163                               1);
 164
 165             svga_texture_copy_handle(svga_context(pipe),
 166                                      tex->handle,
 167                                      0, 0, z_offset,
 168                                      i + start_mip,
 169                                      j + face_pick,
 170                                      handle, 0, 0, 0, i, j,
 171                                      u_minify(tex->b.b.width0, i + start_mip),
 172                                      u_minify(tex->b.b.height0, i + start_mip),
 173                                      depth);
 174          }
 175       }
 176    }
 177
 178    return handle;
 179 }
 180
 181
 182 static struct pipe_surface *
 183 svga_get_tex_surface(struct pipe_screen *screen,
 184                      struct pipe_resource *pt,
 185                      unsigned face, unsigned level, unsigned zslice,
 186                      unsigned flags)
 187 {
 188    struct svga_texture *tex = svga_texture(pt);
 189    struct svga_surface *s;
 190    boolean render = (flags & (PIPE_BIND_RENDER_TARGET |
 191                               PIPE_BIND_DEPTH_STENCIL)) ? TRUE : FALSE;
 192    boolean view = FALSE;
 193    SVGA3dSurfaceFormat format;
 194
 195    s = CALLOC_STRUCT(svga_surface);
 196    if (!s)
 197       return NULL;
 198
 199    pipe_reference_init(&s->base.reference, 1);
 200    pipe_resource_reference(&s->base.texture, pt);
 201    s->base.format = pt->format;
 202    s->base.width = u_minify(pt->width0, level);
 203    s->base.height = u_minify(pt->height0, level);
 204    s->base.usage = flags;
 205    s->base.level = level;
 206    s->base.face = face;
 207    s->base.zslice = zslice;
 208
 209    if (!render)
 210       format = svga_translate_format(pt->format);
 211    else
 212       format = svga_translate_format_render(pt->format);
 213
 214    assert(format != SVGA3D_FORMAT_INVALID);
 215
 216    if (svga_screen(screen)->debug.force_surface_view)
 217       view = TRUE;
 218
 219    /* Currently only used for compressed textures */
 220    if (render &&
 221        format != svga_translate_format(pt->format)) {
 222       view = TRUE;
 223    }
 224
 225    if (level != 0 &&
 226        svga_screen(screen)->debug.force_level_surface_view)
 227       view = TRUE;
 228
 229    if (pt->target == PIPE_TEXTURE_3D)
 230       view = TRUE;
 231
 232    if (svga_screen(screen)->debug.no_surface_view)
 233       view = FALSE;
 234
 235    if (view) {
 236       SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: yes %p, level %u face %u z %u, %p\n",
 237                pt, level, face, zslice, s);
 238
 239       s->handle = svga_texture_view_surface(NULL, tex, format, level, 1, face, zslice,
 240                                             &s->key);
 241       s->real_face = 0;
 242       s->real_level = 0;
 243       s->real_zslice = 0;
 244    } else {
 245       SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: no %p, level %u, face %u, z %u, %p\n",
 246                pt, level, face, zslice, s);
 247
 248       memset(&s->key, 0, sizeof s->key);
 249       s->handle = tex->handle;
 250       s->real_face = face;
 251       s->real_level = level;
 252       s->real_zslice = zslice;
 253    }
 254
 255    return &s->base;
 256 }
 257
 258
 259 static void
 260 svga_tex_surface_destroy(struct pipe_surface *surf)
 261 {
 262    struct svga_surface *s = svga_surface(surf);
 263    struct svga_texture *t = svga_texture(surf->texture);
 264    struct svga_screen *ss = svga_screen(surf->texture->screen);
 265
 266    if(s->handle != t->handle) {
 267       SVGA_DBG(DEBUG_DMA, "unref sid %p (tex surface)\n", s->handle);
 268       svga_screen_surface_destroy(ss, &s->key, &s->handle);
 269    }
 270
 271    pipe_resource_reference(&surf->texture, NULL);
 272    FREE(surf);
 273 }
 274
 275
 276 static INLINE void
 277 svga_mark_surface_dirty(struct pipe_surface *surf)
 278 {
 279    struct svga_surface *s = svga_surface(surf);
 280
 281    if(!s->dirty) {
 282       struct svga_texture *tex = svga_texture(surf->texture);
 283
 284       s->dirty = TRUE;
 285
 286       if (s->handle == tex->handle)
 287          tex->defined[surf->face][surf->level] = TRUE;
 288       else {
 289          /* this will happen later in svga_propagate_surface */
 290       }
 291    }
 292 }
 293
 294
 295 void svga_mark_surfaces_dirty(struct svga_context *svga)
 296 {
 297    unsigned i;
 298
 299    for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 300       if (svga->curr.framebuffer.cbufs[i])
 301          svga_mark_surface_dirty(svga->curr.framebuffer.cbufs[i]);
 302    }
 303    if (svga->curr.framebuffer.zsbuf)
 304       svga_mark_surface_dirty(svga->curr.framebuffer.zsbuf);
 305 }
 306
 307
 308 /**
 309  * Progagate any changes from surfaces to texture.
 310  * pipe is optional context to inline the blit command in.
 311  */
 312 void
 313 svga_propagate_surface(struct pipe_context *pipe, struct pipe_surface *surf)
 314 {
 315    struct svga_surface *s = svga_surface(surf);
 316    struct svga_texture *tex = svga_texture(surf->texture);
 317    struct svga_screen *ss = svga_screen(surf->texture->screen);
 318
 319    if (!s->dirty)
 320       return;
 321
 322    s->dirty = FALSE;
 323    ss->texture_timestamp++;
 324    tex->view_age[surf->level] = ++(tex->age);
 325
 326    if (s->handle != tex->handle) {
 327       SVGA_DBG(DEBUG_VIEWS, "svga: Surface propagate: tex %p, level %u, from %p\n", tex, surf->level, surf);
 328       svga_texture_copy_handle(svga_context(pipe),
 329                                s->handle, 0, 0, 0, s->real_level, s->real_face,
 330                                tex->handle, 0, 0, surf->zslice, surf->level, surf->face,
 331                                u_minify(tex->b.b.width0, surf->level),
 332                                u_minify(tex->b.b.height0, surf->level), 1);
 333       tex->defined[surf->face][surf->level] = TRUE;
 334    }
 335 }
 336
 337 /**
 338  * Check if we should call svga_propagate_surface on the surface.
 339  */
 340 boolean
 341 svga_surface_needs_propagation(struct pipe_surface *surf)
 342 {
 343    struct svga_surface *s = svga_surface(surf);
 344    struct svga_texture *tex = svga_texture(surf->texture);
 345
 346    return s->dirty && s->handle != tex->handle;
 347 }
 348
 349
 350
 351
 352
 353
 354 void
 355 svga_screen_init_surface_functions(struct pipe_screen *screen)
 356 {
 357    screen->get_tex_surface = svga_get_tex_surface;
 358    screen->tex_surface_destroy = svga_tex_surface_destroy;
 359 }
 360