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  1. /**********************************************************
  2.  * Copyright 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. /**
  27.  * @file
  28.  * This file implements the SVGA interface into this winsys, defined
  29.  * in drivers/svga/svga_winsys.h.
  30.  *
  31.  * @author Keith Whitwell
  32.  * @author Jose Fonseca
  33.  */
  34.  
  35.  
  36. #include "svga_cmd.h"
  37. #include "svga3d_caps.h"
  38.  
  39. #include "util/u_inlines.h"
  40. #include "util/u_math.h"
  41. #include "util/u_memory.h"
  42. #include "pipebuffer/pb_buffer.h"
  43. #include "pipebuffer/pb_bufmgr.h"
  44. #include "svga_winsys.h"
  45. #include "vmw_context.h"
  46. #include "vmw_screen.h"
  47. #include "vmw_surface.h"
  48. #include "vmw_buffer.h"
  49. #include "vmw_fence.h"
  50.  
  51.  
  52. static struct svga_winsys_buffer *
  53. vmw_svga_winsys_buffer_create(struct svga_winsys_screen *sws,
  54.                               unsigned alignment,
  55.                               unsigned usage,
  56.                               unsigned size)
  57. {
  58.    struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
  59.    struct pb_desc desc;
  60.    struct pb_manager *provider;
  61.    struct pb_buffer *buffer;
  62.  
  63.    memset(&desc, 0, sizeof desc);
  64.    desc.alignment = alignment;
  65.    desc.usage = usage;
  66.  
  67.    if (usage == SVGA_BUFFER_USAGE_PINNED) {
  68.       if (vws->pools.query_fenced == NULL && !vmw_query_pools_init(vws))
  69.          return NULL;
  70.       provider = vws->pools.query_fenced;
  71.    } else
  72.       provider = vws->pools.gmr_fenced;
  73.  
  74.    assert(provider);
  75.    buffer = provider->create_buffer(provider, size, &desc);
  76.  
  77.    if(!buffer && provider == vws->pools.gmr_fenced) {
  78.  
  79.       assert(provider);
  80.       provider = vws->pools.gmr_slab_fenced;
  81.       buffer = provider->create_buffer(provider, size, &desc);
  82.    }
  83.  
  84.    if (!buffer)
  85.       return NULL;
  86.  
  87.    return vmw_svga_winsys_buffer(buffer);
  88. }
  89.  
  90.  
  91. static void *
  92. vmw_svga_winsys_buffer_map(struct svga_winsys_screen *sws,
  93.                            struct svga_winsys_buffer *buf,
  94.                            unsigned flags)
  95. {
  96.    (void)sws;
  97.    return pb_map(vmw_pb_buffer(buf), flags, NULL);
  98. }
  99.  
  100.  
  101. static void
  102. vmw_svga_winsys_buffer_unmap(struct svga_winsys_screen *sws,
  103.                              struct svga_winsys_buffer *buf)
  104. {
  105.    (void)sws;
  106.    pb_unmap(vmw_pb_buffer(buf));
  107. }
  108.  
  109.  
  110. static void
  111. vmw_svga_winsys_buffer_destroy(struct svga_winsys_screen *sws,
  112.                                struct svga_winsys_buffer *buf)
  113. {
  114.    struct pb_buffer *pbuf = vmw_pb_buffer(buf);
  115.    (void)sws;
  116.    pb_reference(&pbuf, NULL);
  117. }
  118.  
  119.  
  120. static void
  121. vmw_svga_winsys_fence_reference(struct svga_winsys_screen *sws,
  122.                                 struct pipe_fence_handle **pdst,
  123.                                 struct pipe_fence_handle *src)
  124. {
  125.     struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
  126.  
  127.     vmw_fence_reference(vws, pdst, src);
  128. }
  129.  
  130.  
  131. static int
  132. vmw_svga_winsys_fence_signalled(struct svga_winsys_screen *sws,
  133.                                 struct pipe_fence_handle *fence,
  134.                                 unsigned flag)
  135. {
  136.    struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
  137.  
  138.    return vmw_fence_signalled(vws, fence, flag);
  139. }
  140.  
  141.  
  142. static int
  143. vmw_svga_winsys_fence_finish(struct svga_winsys_screen *sws,
  144.                              struct pipe_fence_handle *fence,
  145.                              unsigned flag)
  146. {
  147.    struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
  148.  
  149.    return vmw_fence_finish(vws, fence, flag);
  150. }
  151.  
  152.  
  153.  
  154. static struct svga_winsys_surface *
  155. vmw_svga_winsys_surface_create(struct svga_winsys_screen *sws,
  156.                                SVGA3dSurfaceFlags flags,
  157.                                SVGA3dSurfaceFormat format,
  158.                                SVGA3dSize size,
  159.                                uint32 numFaces,
  160.                                uint32 numMipLevels)
  161. {
  162.    struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
  163.    struct vmw_svga_winsys_surface *surface;
  164.  
  165.    surface = CALLOC_STRUCT(vmw_svga_winsys_surface);
  166.    if(!surface)
  167.       goto no_surface;
  168.  
  169.    pipe_reference_init(&surface->refcnt, 1);
  170.    p_atomic_set(&surface->validated, 0);
  171.    surface->screen = vws;
  172.    surface->sid = vmw_ioctl_surface_create(vws,
  173.                                            flags, format, size,
  174.                                            numFaces, numMipLevels);
  175.    if(surface->sid == SVGA3D_INVALID_ID)
  176.       goto no_sid;
  177.  
  178.    return svga_winsys_surface(surface);
  179.  
  180. no_sid:
  181.    FREE(surface);
  182. no_surface:
  183.    return NULL;
  184. }
  185.  
  186.  
  187. static boolean
  188. vmw_svga_winsys_surface_is_flushed(struct svga_winsys_screen *sws,
  189.                                    struct svga_winsys_surface *surface)
  190. {
  191.    struct vmw_svga_winsys_surface *vsurf = vmw_svga_winsys_surface(surface);
  192.    return (p_atomic_read(&vsurf->validated) == 0);
  193. }
  194.  
  195.  
  196. static void
  197. vmw_svga_winsys_surface_ref(struct svga_winsys_screen *sws,
  198.                             struct svga_winsys_surface **pDst,
  199.                             struct svga_winsys_surface *src)
  200. {
  201.    struct vmw_svga_winsys_surface *d_vsurf = vmw_svga_winsys_surface(*pDst);
  202.    struct vmw_svga_winsys_surface *s_vsurf = vmw_svga_winsys_surface(src);
  203.  
  204.    vmw_svga_winsys_surface_reference(&d_vsurf, s_vsurf);
  205.    *pDst = svga_winsys_surface(d_vsurf);
  206. }
  207.  
  208.  
  209. static void
  210. vmw_svga_winsys_destroy(struct svga_winsys_screen *sws)
  211. {
  212.    struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
  213.  
  214.    vmw_winsys_destroy(vws);
  215. }
  216.  
  217.  
  218. static SVGA3dHardwareVersion
  219. vmw_svga_winsys_get_hw_version(struct svga_winsys_screen *sws)
  220. {
  221.    struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
  222.  
  223.    return (SVGA3dHardwareVersion) vws->ioctl.hwversion;
  224. }
  225.  
  226.  
  227. static boolean
  228. vmw_svga_winsys_get_cap(struct svga_winsys_screen *sws,
  229.                         SVGA3dDevCapIndex index,
  230.                         SVGA3dDevCapResult *result)
  231. {
  232.    struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
  233.    const uint32 *capsBlock;
  234.    const SVGA3dCapsRecord *capsRecord = NULL;
  235.    uint32 offset;
  236.    const SVGA3dCapPair *capArray;
  237.    int numCaps, first, last;
  238.  
  239.    if(vws->ioctl.hwversion < SVGA3D_HWVERSION_WS6_B1)
  240.       return FALSE;
  241.  
  242.    /*
  243.     * Search linearly through the caps block records for the specified type.
  244.     */
  245.    capsBlock = (const uint32 *)vws->ioctl.buffer;
  246.    for (offset = 0; capsBlock[offset] != 0; offset += capsBlock[offset]) {
  247.       const SVGA3dCapsRecord *record;
  248.       assert(offset < SVGA_FIFO_3D_CAPS_SIZE);
  249.       record = (const SVGA3dCapsRecord *) (capsBlock + offset);
  250.       if ((record->header.type >= SVGA3DCAPS_RECORD_DEVCAPS_MIN) &&
  251.           (record->header.type <= SVGA3DCAPS_RECORD_DEVCAPS_MAX) &&
  252.           (!capsRecord || (record->header.type > capsRecord->header.type))) {
  253.          capsRecord = record;
  254.       }
  255.    }
  256.  
  257.    if(!capsRecord)
  258.       return FALSE;
  259.  
  260.    /*
  261.     * Calculate the number of caps from the size of the record.
  262.     */
  263.    capArray = (const SVGA3dCapPair *) capsRecord->data;
  264.    numCaps = (int) ((capsRecord->header.length * sizeof(uint32) -
  265.                      sizeof capsRecord->header) / (2 * sizeof(uint32)));
  266.  
  267.    /*
  268.     * Binary-search for the cap with the specified index.
  269.     */
  270.    for (first = 0, last = numCaps - 1; first <= last; ) {
  271.       int mid = (first + last) / 2;
  272.  
  273.       if ((SVGA3dDevCapIndex) capArray[mid][0] == index) {
  274.          /*
  275.           * Found it.
  276.           */
  277.          result->u = capArray[mid][1];
  278.          return TRUE;
  279.       }
  280.  
  281.       /*
  282.        * Divide and conquer.
  283.        */
  284.       if ((SVGA3dDevCapIndex) capArray[mid][0] > index) {
  285.          last = mid - 1;
  286.       } else {
  287.          first = mid + 1;
  288.       }
  289.    }
  290.  
  291.    return FALSE;
  292. }
  293.  
  294.  
  295. boolean
  296. vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws)
  297. {
  298.    vws->base.destroy = vmw_svga_winsys_destroy;
  299.    vws->base.get_hw_version = vmw_svga_winsys_get_hw_version;
  300.    vws->base.get_cap = vmw_svga_winsys_get_cap;
  301.    vws->base.context_create = vmw_svga_winsys_context_create;
  302.    vws->base.surface_create = vmw_svga_winsys_surface_create;
  303.    vws->base.surface_is_flushed = vmw_svga_winsys_surface_is_flushed;
  304.    vws->base.surface_reference = vmw_svga_winsys_surface_ref;
  305.    vws->base.buffer_create = vmw_svga_winsys_buffer_create;
  306.    vws->base.buffer_map = vmw_svga_winsys_buffer_map;
  307.    vws->base.buffer_unmap = vmw_svga_winsys_buffer_unmap;
  308.    vws->base.buffer_destroy = vmw_svga_winsys_buffer_destroy;
  309.    vws->base.fence_reference = vmw_svga_winsys_fence_reference;
  310.    vws->base.fence_signalled = vmw_svga_winsys_fence_signalled;
  311.    vws->base.fence_finish = vmw_svga_winsys_fence_finish;
  312.  
  313.    return TRUE;
  314. }
  315.  
  316.  
  317.