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  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 (tex->defined[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.             tex->defined[surf->u.tex.first_layer][surf->u.tex.level] = TRUE;
  308.          else
  309.             tex->defined[0][surf->u.tex.level] = TRUE;
  310.       }
  311.       else {
  312.          /* this will happen later in svga_propagate_surface */
  313.       }
  314.  
  315.       /* Increment the view_age and texture age for this surface's slice
  316.        * so that any sampler views into the texture are re-validated too.
  317.        */
  318.       svga_age_texture_view(tex, surf->u.tex.first_layer);
  319.    }
  320. }
  321.  
  322.  
  323. void
  324. svga_mark_surfaces_dirty(struct svga_context *svga)
  325. {
  326.    unsigned i;
  327.  
  328.    for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
  329.       if (svga->curr.framebuffer.cbufs[i])
  330.          svga_mark_surface_dirty(svga->curr.framebuffer.cbufs[i]);
  331.    }
  332.    if (svga->curr.framebuffer.zsbuf)
  333.       svga_mark_surface_dirty(svga->curr.framebuffer.zsbuf);
  334. }
  335.  
  336.  
  337. /**
  338.  * Progagate any changes from surfaces to texture.
  339.  * pipe is optional context to inline the blit command in.
  340.  */
  341. void
  342. svga_propagate_surface(struct svga_context *svga, struct pipe_surface *surf)
  343. {
  344.    struct svga_surface *s = svga_surface(surf);
  345.    struct svga_texture *tex = svga_texture(surf->texture);
  346.    struct svga_screen *ss = svga_screen(surf->texture->screen);
  347.    unsigned zslice, face;
  348.  
  349.    if (!s->dirty)
  350.       return;
  351.  
  352.    if (surf->texture->target == PIPE_TEXTURE_CUBE) {
  353.       zslice = 0;
  354.       face = surf->u.tex.first_layer;
  355.    }
  356.    else {
  357.       zslice = surf->u.tex.first_layer;
  358.       face = 0;
  359.    }
  360.  
  361.    s->dirty = FALSE;
  362.    ss->texture_timestamp++;
  363.    tex->view_age[surf->u.tex.level] = ++(tex->age);
  364.  
  365.    if (s->handle != tex->handle) {
  366.       SVGA_DBG(DEBUG_VIEWS,
  367.                "svga: Surface propagate: tex %p, level %u, from %p\n",
  368.                tex, surf->u.tex.level, surf);
  369.       svga_texture_copy_handle(svga,
  370.                                s->handle, 0, 0, 0, s->real_level, s->real_face,
  371.                                tex->handle, 0, 0, zslice, surf->u.tex.level, face,
  372.                                u_minify(tex->b.b.width0, surf->u.tex.level),
  373.                                u_minify(tex->b.b.height0, surf->u.tex.level), 1);
  374.       tex->defined[face][surf->u.tex.level] = TRUE;
  375.    }
  376. }
  377.  
  378.  
  379. /**
  380.  * Check if we should call svga_propagate_surface on the surface.
  381.  */
  382. boolean
  383. svga_surface_needs_propagation(const struct pipe_surface *surf)
  384. {
  385.    const struct svga_surface *s = svga_surface_const(surf);
  386.    struct svga_texture *tex = svga_texture(surf->texture);
  387.  
  388.    return s->dirty && s->handle != tex->handle;
  389. }
  390.  
  391.  
  392.  
  393. void
  394. svga_init_surface_functions(struct svga_context *svga)
  395. {
  396.    svga->pipe.create_surface = svga_create_surface;
  397.    svga->pipe.surface_destroy = svga_surface_destroy;
  398. }
  399.