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  1. /*
  2.  * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
  3.  *
  4.  * Permission is hereby granted, free of charge, to any person obtaining a
  5.  * copy of this software and associated documentation files (the "Software"),
  6.  * to deal in the Software without restriction, including without limitation
  7.  * on the rights to use, copy, modify, merge, publish, distribute, sub
  8.  * license, and/or sell copies of the Software, and to permit persons to whom
  9.  * the Software is furnished to do so, subject to the following conditions:
  10.  *
  11.  * The above copyright notice and this permission notice (including the next
  12.  * paragraph) shall be included in all copies or substantial portions of the
  13.  * Software.
  14.  *
  15.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17.  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18.  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19.  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20.  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21.  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22.  
  23. #include "stateblock9.h"
  24. #include "device9.h"
  25. #include "basetexture9.h"
  26. #include "nine_helpers.h"
  27.  
  28. #define DBG_CHANNEL DBG_STATEBLOCK
  29.  
  30. /* XXX TODO: handling of lights is broken */
  31.  
  32. HRESULT
  33. NineStateBlock9_ctor( struct NineStateBlock9 *This,
  34.                       struct NineUnknownParams *pParams,
  35.                       enum nine_stateblock_type type )
  36. {
  37.     HRESULT hr = NineUnknown_ctor(&This->base, pParams);
  38.  
  39.     DBG("This=%p pParams=%p type=%d\n", This, pParams, type);
  40.  
  41.     if (FAILED(hr))
  42.         return hr;
  43.  
  44.     This->type = type;
  45.  
  46.     This->state.vs_const_f = MALLOC(This->base.device->vs_const_size);
  47.     This->state.ps_const_f = MALLOC(This->base.device->ps_const_size);
  48.     if (!This->state.vs_const_f || !This->state.ps_const_f)
  49.         return E_OUTOFMEMORY;
  50.  
  51.     return D3D_OK;
  52. }
  53.  
  54. void
  55. NineStateBlock9_dtor( struct NineStateBlock9 *This )
  56. {
  57.     struct nine_state *state = &This->state;
  58.     struct nine_range *r;
  59.     struct nine_range_pool *pool = &This->base.device->range_pool;
  60.  
  61.     nine_state_clear(state, FALSE);
  62.  
  63.     FREE(state->vs_const_f);
  64.     FREE(state->ps_const_f);
  65.  
  66.     FREE(state->ff.light);
  67.  
  68.     FREE(state->ff.transform);
  69.  
  70.     if (This->state.changed.ps_const_f) {
  71.         for (r = This->state.changed.ps_const_f; r->next; r = r->next);
  72.         nine_range_pool_put_chain(pool, This->state.changed.ps_const_f, r);
  73.     }
  74.     if (This->state.changed.vs_const_f) {
  75.         for (r = This->state.changed.vs_const_f; r->next; r = r->next);
  76.         nine_range_pool_put_chain(pool, This->state.changed.vs_const_f, r);
  77.     }
  78.  
  79.     NineUnknown_dtor(&This->base);
  80. }
  81.  
  82. /* Copy state marked changed in @mask from @src to @dst.
  83.  * If @apply is false, updating dst->changed can be omitted.
  84.  * TODO: compare ?
  85.  */
  86. static void
  87. nine_state_copy_common(struct nine_state *dst,
  88.                        const struct nine_state *src,
  89.                        struct nine_state *mask, /* aliases either src or dst */
  90.                        const boolean apply,
  91.                        struct nine_range_pool *pool)
  92. {
  93.     unsigned i, s;
  94.  
  95.     if (apply)
  96.        dst->changed.group |= mask->changed.group;
  97.  
  98.     if (mask->changed.group & NINE_STATE_VIEWPORT)
  99.         dst->viewport = src->viewport;
  100.     if (mask->changed.group & NINE_STATE_SCISSOR)
  101.         dst->scissor = src->scissor;
  102.  
  103.     if (mask->changed.group & NINE_STATE_VS)
  104.         nine_bind(&dst->vs, src->vs);
  105.     if (mask->changed.group & NINE_STATE_PS)
  106.         nine_bind(&dst->ps, src->ps);
  107.  
  108.     /* Vertex constants.
  109.      *
  110.      * Various possibilities for optimization here, like creating a per-SB
  111.      * constant buffer, or memcmp'ing for changes.
  112.      * Will do that later depending on what works best for specific apps.
  113.      */
  114.     if (mask->changed.group & NINE_STATE_VS_CONST) {
  115.         struct nine_range *r;
  116.         for (r = mask->changed.vs_const_f; r; r = r->next) {
  117.             memcpy(&dst->vs_const_f[r->bgn * 4],
  118.                    &src->vs_const_f[r->bgn * 4],
  119.                    (r->end - r->bgn) * 4 * sizeof(float));
  120.             if (apply)
  121.                 nine_ranges_insert(&dst->changed.vs_const_f, r->bgn, r->end,
  122.                                    pool);
  123.         }
  124.         if (mask->changed.vs_const_i) {
  125.             uint16_t m = mask->changed.vs_const_i;
  126.             for (i = ffs(m) - 1, m >>= i; m; ++i, m >>= 1)
  127.                 if (m & 1)
  128.                     memcpy(dst->vs_const_i[i], src->vs_const_i[i], 4 * sizeof(int));
  129.             if (apply)
  130.                 dst->changed.vs_const_i |= mask->changed.vs_const_i;
  131.         }
  132.         if (mask->changed.vs_const_b) {
  133.             uint16_t m = mask->changed.vs_const_b;
  134.             for (i = ffs(m) - 1, m >>= i; m; ++i, m >>= 1)
  135.                 if (m & 1)
  136.                     dst->vs_const_b[i] = src->vs_const_b[i];
  137.             if (apply)
  138.                 dst->changed.vs_const_b |= mask->changed.vs_const_b;
  139.         }
  140.     }
  141.  
  142.     /* Pixel constants. */
  143.     if (mask->changed.group & NINE_STATE_PS_CONST) {
  144.         struct nine_range *r;
  145.         for (r = mask->changed.ps_const_f; r; r = r->next) {
  146.             memcpy(&dst->ps_const_f[r->bgn * 4],
  147.                    &src->ps_const_f[r->bgn * 4],
  148.                    (r->end - r->bgn) * 4 * sizeof(float));
  149.             if (apply)
  150.                 nine_ranges_insert(&dst->changed.ps_const_f, r->bgn, r->end,
  151.                                    pool);
  152.         }
  153.         if (mask->changed.ps_const_i) {
  154.             uint16_t m = mask->changed.ps_const_i;
  155.             for (i = ffs(m) - 1, m >>= i; m; ++i, m >>= 1)
  156.                 if (m & 1)
  157.                     memcpy(dst->ps_const_i[i], src->ps_const_i[i], 4 * sizeof(int));
  158.             if (apply)
  159.                 dst->changed.ps_const_i |= mask->changed.ps_const_i;
  160.         }
  161.         if (mask->changed.ps_const_b) {
  162.             uint16_t m = mask->changed.ps_const_b;
  163.             for (i = ffs(m) - 1, m >>= i; m; ++i, m >>= 1)
  164.                 if (m & 1)
  165.                     dst->ps_const_b[i] = src->ps_const_b[i];
  166.             if (apply)
  167.                 dst->changed.ps_const_b |= mask->changed.ps_const_b;
  168.         }
  169.     }
  170.  
  171.     /* Render states.
  172.      * TODO: Maybe build a list ?
  173.      */
  174.     for (i = 0; i < Elements(dst->changed.rs); ++i) {
  175.         uint32_t m = mask->changed.rs[i];
  176.         if (apply)
  177.             dst->changed.rs[i] |= m;
  178.         while (m) {
  179.             const int r = ffs(m) - 1;
  180.             m &= ~(1 << r);
  181.             dst->rs[i * 32 + r] = src->rs[i * 32 + r];
  182.         }
  183.     }
  184.  
  185.  
  186.     /* Clip planes. */
  187.     if (mask->changed.ucp) {
  188.         for (i = 0; i < PIPE_MAX_CLIP_PLANES; ++i)
  189.             if (mask->changed.ucp & (1 << i))
  190.                 memcpy(dst->clip.ucp[i],
  191.                        src->clip.ucp[i], sizeof(src->clip.ucp[0]));
  192.         if (apply)
  193.            dst->changed.ucp |= mask->changed.ucp;
  194.     }
  195.  
  196.     /* Sampler state. */
  197.     if (mask->changed.group & NINE_STATE_SAMPLER) {
  198.         for (s = 0; s < NINE_MAX_SAMPLERS; ++s) {
  199.             if (mask->changed.sampler[s] == 0x3ffe) {
  200.                 memcpy(&dst->samp[s], &src->samp[s], sizeof(dst->samp[s]));
  201.             } else {
  202.                 uint32_t m = mask->changed.sampler[s];
  203.                 while (m) {
  204.                     const int i = ffs(m) - 1;
  205.                     m &= ~(1 << i);
  206.                     dst->samp[s][i] = src->samp[s][i];
  207.                 }
  208.             }
  209.             if (apply)
  210.                 dst->changed.sampler[s] |= mask->changed.sampler[s];
  211.         }
  212.     }
  213.  
  214.     /* Index buffer. */
  215.     if (mask->changed.group & NINE_STATE_IDXBUF)
  216.         nine_bind(&dst->idxbuf, src->idxbuf);
  217.  
  218.     /* Vertex streams. */
  219.     if (mask->changed.vtxbuf | mask->changed.stream_freq) {
  220.         uint32_t m = mask->changed.vtxbuf | mask->changed.stream_freq;
  221.         for (i = 0; m; ++i, m >>= 1) {
  222.             if (mask->changed.vtxbuf & (1 << i)) {
  223.                 nine_bind(&dst->stream[i], src->stream[i]);
  224.                 if (src->stream[i]) {
  225.                     dst->vtxbuf[i].buffer_offset = src->vtxbuf[i].buffer_offset;
  226.                     dst->vtxbuf[i].buffer = src->vtxbuf[i].buffer;
  227.                     dst->vtxbuf[i].stride = src->vtxbuf[i].stride;
  228.                 }
  229.             }
  230.             if (mask->changed.stream_freq & (1 << i))
  231.                 dst->stream_freq[i] = src->stream_freq[i];
  232.         }
  233.         dst->stream_instancedata_mask &= ~mask->changed.stream_freq;
  234.         dst->stream_instancedata_mask |=
  235.             src->stream_instancedata_mask & mask->changed.stream_freq;
  236.         if (apply) {
  237.             dst->changed.vtxbuf |= mask->changed.vtxbuf;
  238.             dst->changed.stream_freq |= mask->changed.stream_freq;
  239.         }
  240.     }
  241.  
  242.     if (!(mask->changed.group & NINE_STATE_FF))
  243.         return;
  244.     WARN_ONCE("Fixed function state not handled properly by StateBlocks.\n");
  245.  
  246.     /* Fixed function state. */
  247.     if (apply)
  248.         dst->ff.changed.group |= src->ff.changed.group;
  249.  
  250.     if (mask->changed.group & NINE_STATE_FF_MATERIAL)
  251.         dst->ff.material = src->ff.material;
  252.  
  253.     if (mask->changed.group & NINE_STATE_FF_PSSTAGES) {
  254.         for (s = 0; s < NINE_MAX_SAMPLERS; ++s) {
  255.             for (i = 0; i < NINED3DTSS_COUNT; ++i)
  256.                 if (mask->ff.changed.tex_stage[s][i / 32] & (1 << (i % 32)))
  257.                     dst->ff.tex_stage[s][i] = src->ff.tex_stage[s][i];
  258.             if (apply) {
  259.                 /* TODO: it's 32 exactly, just offset by 1 as 0 is unused */
  260.                 dst->ff.changed.tex_stage[s][0] |=
  261.                     mask->ff.changed.tex_stage[s][0];
  262.                 dst->ff.changed.tex_stage[s][1] |=
  263.                     mask->ff.changed.tex_stage[s][1];
  264.             }
  265.         }
  266.     }
  267.     if (mask->changed.group & NINE_STATE_FF_LIGHTING) {
  268.         if (dst->ff.num_lights < mask->ff.num_lights) {
  269.             dst->ff.light = REALLOC(dst->ff.light,
  270.                                     dst->ff.num_lights * sizeof(D3DLIGHT9),
  271.                                     mask->ff.num_lights * sizeof(D3DLIGHT9));
  272.             dst->ff.num_lights = mask->ff.num_lights;
  273.         }
  274.         for (i = 0; i < mask->ff.num_lights; ++i)
  275.             if (mask->ff.light[i].Type != NINED3DLIGHT_INVALID)
  276.                 dst->ff.light[i] = src->ff.light[i];
  277.  
  278.         memcpy(dst->ff.active_light, src->ff.active_light, sizeof(src->ff.active_light) );
  279.         dst->ff.num_lights_active = src->ff.num_lights_active;
  280.     }
  281.     if (mask->changed.group & NINE_STATE_FF_VSTRANSF) {
  282.         for (i = 0; i < Elements(mask->ff.changed.transform); ++i) {
  283.             if (!mask->ff.changed.transform[i])
  284.                 continue;
  285.             for (s = i * 32; s < (i * 32 + 32); ++s) {
  286.                 if (!(mask->ff.changed.transform[i] & (1 << (s % 32))))
  287.                     continue;
  288.                 *nine_state_access_transform(dst, s, TRUE) =
  289.                     *nine_state_access_transform( /* const because !alloc */
  290.                         (struct nine_state *)src, s, FALSE);
  291.             }
  292.             if (apply)
  293.                 dst->ff.changed.transform[i] |= mask->ff.changed.transform[i];
  294.         }
  295.     }
  296. }
  297.  
  298. static void
  299. nine_state_copy_common_all(struct nine_state *dst,
  300.                            const struct nine_state *src,
  301.                            struct nine_state *help,
  302.                            const boolean apply,
  303.                            struct nine_range_pool *pool,
  304.                            const int MaxStreams)
  305. {
  306.     unsigned i;
  307.  
  308.     if (apply)
  309.        dst->changed.group |= src->changed.group;
  310.  
  311.     dst->viewport = src->viewport;
  312.     dst->scissor = src->scissor;
  313.  
  314.     nine_bind(&dst->vs, src->vs);
  315.     nine_bind(&dst->ps, src->ps);
  316.  
  317.     /* Vertex constants.
  318.      *
  319.      * Various possibilities for optimization here, like creating a per-SB
  320.      * constant buffer, or memcmp'ing for changes.
  321.      * Will do that later depending on what works best for specific apps.
  322.      */
  323.     if (1) {
  324.         struct nine_range *r = help->changed.vs_const_f;
  325.         memcpy(&dst->vs_const_f[0],
  326.                &src->vs_const_f[0], (r->end - r->bgn) * 4 * sizeof(float));
  327.         if (apply)
  328.             nine_ranges_insert(&dst->changed.vs_const_f, r->bgn, r->end, pool);
  329.  
  330.         memcpy(dst->vs_const_i, src->vs_const_i, sizeof(dst->vs_const_i));
  331.         memcpy(dst->vs_const_b, src->vs_const_b, sizeof(dst->vs_const_b));
  332.         if (apply) {
  333.             dst->changed.vs_const_i |= src->changed.vs_const_i;
  334.             dst->changed.vs_const_b |= src->changed.vs_const_b;
  335.         }
  336.     }
  337.  
  338.     /* Pixel constants. */
  339.     if (1) {
  340.         struct nine_range *r = help->changed.ps_const_f;
  341.         memcpy(&dst->ps_const_f[0],
  342.                &src->ps_const_f[0], (r->end - r->bgn) * 4 * sizeof(float));
  343.         if (apply)
  344.             nine_ranges_insert(&dst->changed.ps_const_f, r->bgn, r->end, pool);
  345.  
  346.         memcpy(dst->ps_const_i, src->ps_const_i, sizeof(dst->ps_const_i));
  347.         memcpy(dst->ps_const_b, src->ps_const_b, sizeof(dst->ps_const_b));
  348.         if (apply) {
  349.             dst->changed.ps_const_i |= src->changed.ps_const_i;
  350.             dst->changed.ps_const_b |= src->changed.ps_const_b;
  351.         }
  352.     }
  353.  
  354.     /* Render states. */
  355.     memcpy(dst->rs, src->rs, sizeof(dst->rs));
  356.     if (apply)
  357.         memcpy(dst->changed.rs, src->changed.rs, sizeof(dst->changed.rs));
  358.  
  359.  
  360.     /* Clip planes. */
  361.     memcpy(&dst->clip, &src->clip, sizeof(dst->clip));
  362.     if (apply)
  363.         dst->changed.ucp = src->changed.ucp;
  364.  
  365.     /* Sampler state. */
  366.     memcpy(dst->samp, src->samp, sizeof(dst->samp));
  367.     if (apply)
  368.         memcpy(dst->changed.sampler,
  369.                src->changed.sampler, sizeof(dst->changed.sampler));
  370.  
  371.     /* Index buffer. */
  372.     nine_bind(&dst->idxbuf, src->idxbuf);
  373.  
  374.     /* Vertex streams. */
  375.     if (1) {
  376.         for (i = 0; i < Elements(dst->stream); ++i) {
  377.             nine_bind(&dst->stream[i], src->stream[i]);
  378.             if (src->stream[i]) {
  379.                 dst->vtxbuf[i].buffer_offset = src->vtxbuf[i].buffer_offset;
  380.                 dst->vtxbuf[i].buffer = src->vtxbuf[i].buffer;
  381.                 dst->vtxbuf[i].stride = src->vtxbuf[i].stride;
  382.             }
  383.             dst->stream_freq[i] = src->stream_freq[i];
  384.         }
  385.         dst->stream_instancedata_mask = src->stream_instancedata_mask;
  386.         if (apply) {
  387.             dst->changed.vtxbuf = (1ULL << MaxStreams) - 1;
  388.             dst->changed.stream_freq = (1ULL << MaxStreams) - 1;
  389.         }
  390.     }
  391.  
  392.     /* keep this check in case we want to disable FF */
  393.     if (!(help->changed.group & NINE_STATE_FF))
  394.         return;
  395.     WARN_ONCE("Fixed function state not handled properly by StateBlocks.\n");
  396.  
  397.     /* Fixed function state. */
  398.     if (apply)
  399.         dst->ff.changed.group = src->ff.changed.group;
  400.  
  401.     dst->ff.material = src->ff.material;
  402.  
  403.     memcpy(dst->ff.tex_stage, src->ff.tex_stage, sizeof(dst->ff.tex_stage));
  404.     if (apply) /* TODO: memset */
  405.         memcpy(dst->ff.changed.tex_stage,
  406.                src->ff.changed.tex_stage, sizeof(dst->ff.changed.tex_stage));
  407.  
  408.     /* Lights. */
  409.     if (1) {
  410.         if (dst->ff.num_lights < src->ff.num_lights) {
  411.             dst->ff.light = REALLOC(dst->ff.light,
  412.                                     dst->ff.num_lights * sizeof(D3DLIGHT9),
  413.                                     src->ff.num_lights * sizeof(D3DLIGHT9));
  414.             dst->ff.num_lights = src->ff.num_lights;
  415.         }
  416.         memcpy(dst->ff.light,
  417.                src->ff.light, src->ff.num_lights * sizeof(dst->ff.light[0]));
  418.  
  419.         memcpy(dst->ff.active_light, src->ff.active_light, sizeof(src->ff.active_light) );
  420.         dst->ff.num_lights_active = src->ff.num_lights_active;
  421.     }
  422.  
  423.     /* Transforms. */
  424.     if (1) {
  425.         if (dst->ff.num_transforms < src->ff.num_transforms) {
  426.             dst->ff.transform = REALLOC(dst->ff.transform,
  427.                 dst->ff.num_transforms * sizeof(dst->ff.transform[0]),
  428.                 src->ff.num_transforms * sizeof(src->ff.transform[0]));
  429.             dst->ff.num_transforms = src->ff.num_transforms;
  430.         }
  431.         memcpy(dst->ff.transform,
  432.                src->ff.transform, src->ff.num_transforms * sizeof(D3DMATRIX));
  433.         if (apply) /* TODO: memset */
  434.             memcpy(dst->ff.changed.transform,
  435.                    src->ff.changed.transform, sizeof(dst->ff.changed.transform));
  436.     }
  437. }
  438.  
  439. /* Capture those bits of current device state that have been changed between
  440.  * BeginStateBlock and EndStateBlock.
  441.  */
  442. HRESULT WINAPI
  443. NineStateBlock9_Capture( struct NineStateBlock9 *This )
  444. {
  445.     struct nine_state *dst = &This->state;
  446.     struct nine_state *src = &This->base.device->state;
  447.     const int MaxStreams = This->base.device->caps.MaxStreams;
  448.     unsigned s;
  449.  
  450.     DBG("This=%p\n", This);
  451.  
  452.     if (This->type == NINESBT_ALL)
  453.         nine_state_copy_common_all(dst, src, dst, FALSE, NULL, MaxStreams);
  454.     else
  455.         nine_state_copy_common(dst, src, dst, FALSE, NULL);
  456.  
  457.     if (dst->changed.group & NINE_STATE_VDECL)
  458.         nine_bind(&dst->vdecl, src->vdecl);
  459.  
  460.     /* Textures */
  461.     if (dst->changed.texture) {
  462.         uint32_t m = dst->changed.texture;
  463.         for (s = 0; m; ++s, m >>= 1)
  464.             if (m & 1)
  465.                 nine_bind(&dst->texture[s], src->texture[s]);
  466.     }
  467.  
  468.     return D3D_OK;
  469. }
  470.  
  471. /* Set state managed by this StateBlock as current device state. */
  472. HRESULT WINAPI
  473. NineStateBlock9_Apply( struct NineStateBlock9 *This )
  474. {
  475.     struct nine_state *dst = &This->base.device->state;
  476.     struct nine_state *src = &This->state;
  477.     struct nine_range_pool *pool = &This->base.device->range_pool;
  478.     const int MaxStreams = This->base.device->caps.MaxStreams;
  479.     unsigned s;
  480.  
  481.     DBG("This=%p\n", This);
  482.  
  483.     if (This->type == NINESBT_ALL)
  484.         nine_state_copy_common_all(dst, src, src, TRUE, pool, MaxStreams);
  485.     else
  486.         nine_state_copy_common(dst, src, src, TRUE, pool);
  487.  
  488.     if ((src->changed.group & NINE_STATE_VDECL) && src->vdecl)
  489.         nine_bind(&dst->vdecl, src->vdecl);
  490.  
  491.     /* Textures */
  492.     if (src->changed.texture) {
  493.         uint32_t m = src->changed.texture;
  494.         dst->changed.texture |= m;
  495.  
  496.         dst->samplers_shadow &= ~m;
  497.  
  498.         for (s = 0; m; ++s, m >>= 1) {
  499.             struct NineBaseTexture9 *tex = src->texture[s];
  500.             if (!(m & 1))
  501.                 continue;
  502.             if (tex) {
  503.                 tex->bind_count++;
  504.                 if ((tex->managed.dirty | tex->dirty_mip) && LIST_IS_EMPTY(&tex->list))
  505.                     list_add(&tex->list, &This->base.device->update_textures);
  506.                 dst->samplers_shadow |= tex->shadow << s;
  507.             }
  508.             if (src->texture[s])
  509.                 src->texture[s]->bind_count--;
  510.             nine_bind(&dst->texture[s], src->texture[s]);
  511.         }
  512.     }
  513.  
  514.     return D3D_OK;
  515. }
  516.  
  517. IDirect3DStateBlock9Vtbl NineStateBlock9_vtable = {
  518.     (void *)NineUnknown_QueryInterface,
  519.     (void *)NineUnknown_AddRef,
  520.     (void *)NineUnknown_Release,
  521.     (void *)NineUnknown_GetDevice, /* actually part of StateBlock9 iface */
  522.     (void *)NineStateBlock9_Capture,
  523.     (void *)NineStateBlock9_Apply
  524. };
  525.  
  526. static const GUID *NineStateBlock9_IIDs[] = {
  527.     &IID_IDirect3DStateBlock9,
  528.     &IID_IUnknown,
  529.     NULL
  530. };
  531.  
  532. HRESULT
  533. NineStateBlock9_new( struct NineDevice9 *pDevice,
  534.                      struct NineStateBlock9 **ppOut,
  535.                      enum nine_stateblock_type type)
  536. {
  537.     NINE_DEVICE_CHILD_NEW(StateBlock9, ppOut, pDevice, type);
  538. }
  539.