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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2009 Younes Manton.
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21.  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28. /* directly referenced from target Makefile, because of X dependencies */
  29.  
  30. #include <sys/time.h>
  31.  
  32. #include "pipe/p_state.h"
  33.  
  34. #include "util/u_memory.h"
  35. #include "util/u_format.h"
  36. #include "util/u_inlines.h"
  37.  
  38. #include "state_tracker/xlib_sw_winsys.h"
  39. #include "softpipe/sp_public.h"
  40.  
  41. #include "vl/vl_compositor.h"
  42. #include "vl/vl_winsys.h"
  43.  
  44. struct vl_xsp_screen
  45. {
  46.    struct vl_screen base;
  47.    Display *display;
  48.    int screen;
  49.    Visual visual;
  50.    struct xlib_drawable xdraw;
  51.    struct pipe_resource *tex;
  52.    struct u_rect dirty_area;
  53. };
  54.  
  55. struct pipe_resource*
  56. vl_screen_texture_from_drawable(struct vl_screen *vscreen, Drawable drawable)
  57. {
  58.    struct vl_xsp_screen *xsp_screen = (struct vl_xsp_screen*)vscreen;
  59.    Window root;
  60.    int x, y;
  61.    unsigned int width, height;
  62.    unsigned int border_width;
  63.    unsigned int depth;
  64.    struct pipe_resource templat;
  65.  
  66.    assert(vscreen);
  67.    assert(drawable != None);
  68.  
  69.    if (XGetGeometry(xsp_screen->display, drawable, &root, &x, &y, &width, &height, &border_width, &depth) == BadDrawable)
  70.       return NULL;
  71.  
  72.    xsp_screen->xdraw.drawable = drawable;
  73.  
  74.    if (xsp_screen->tex) {
  75.       if (xsp_screen->tex->width0 == width && xsp_screen->tex->height0 == height)
  76.          return xsp_screen->tex;
  77.       pipe_resource_reference(&xsp_screen->tex, NULL);
  78.       vl_compositor_reset_dirty_area(&xsp_screen->dirty_area);
  79.    }
  80.  
  81.    memset(&templat, 0, sizeof(struct pipe_resource));
  82.    templat.target = PIPE_TEXTURE_2D;
  83.    /* XXX: Need to figure out drawable's format */
  84.    templat.format = PIPE_FORMAT_B8G8R8X8_UNORM;
  85.    templat.last_level = 0;
  86.    templat.width0 = width;
  87.    templat.height0 = height;
  88.    templat.depth0 = 1;
  89.    templat.usage = PIPE_USAGE_DEFAULT;
  90.    templat.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_DISPLAY_TARGET;
  91.    templat.flags = 0;
  92.  
  93.    xsp_screen->xdraw.depth = 24/*util_format_get_blocksizebits(templat.format) /
  94.                              util_format_get_blockwidth(templat.format)*/;
  95.  
  96.    pipe_resource_reference(&xsp_screen->tex, vscreen->pscreen->resource_create(vscreen->pscreen, &templat));
  97.    return xsp_screen->tex;
  98. }
  99.  
  100. struct u_rect *
  101. vl_screen_get_dirty_area(struct vl_screen *vscreen)
  102. {
  103.    struct vl_xsp_screen *xsp_screen = (struct vl_xsp_screen*)vscreen;
  104.    return &xsp_screen->dirty_area;
  105. }
  106.  
  107. uint64_t
  108. vl_screen_get_timestamp(struct vl_screen *vscreen, Drawable drawable)
  109. {
  110.    struct timeval tv;
  111.    gettimeofday(&tv, NULL);
  112.    return (uint64_t)tv.tv_sec * 1000000000LL + (uint64_t)tv.tv_usec * 1000LL;
  113. }
  114.  
  115. void
  116. vl_screen_set_next_timestamp(struct vl_screen *vscreen, uint64_t stamp)
  117. {
  118.    /* not supported on softpipe and so only a dummy */
  119. }
  120.  
  121. void*
  122. vl_screen_get_private(struct vl_screen *vscreen)
  123. {
  124.    struct vl_xsp_screen *xsp_screen = (struct vl_xsp_screen*)vscreen;
  125.    return &xsp_screen->xdraw;
  126. }
  127.  
  128. struct vl_screen*
  129. vl_screen_create(Display *display, int screen)
  130. {
  131.    struct vl_xsp_screen *xsp_screen;
  132.    struct sw_winsys *winsys;
  133.  
  134.    assert(display);
  135.  
  136.    xsp_screen = CALLOC_STRUCT(vl_xsp_screen);
  137.    if (!xsp_screen)
  138.       return NULL;
  139.  
  140.    winsys = xlib_create_sw_winsys(display);
  141.    if (!winsys) {
  142.       FREE(xsp_screen);
  143.       return NULL;
  144.    }
  145.  
  146.    xsp_screen->base.pscreen = softpipe_create_screen(winsys);
  147.    if (!xsp_screen->base.pscreen) {
  148.       winsys->destroy(winsys);
  149.       FREE(xsp_screen);
  150.       return NULL;
  151.    }
  152.  
  153.    xsp_screen->display = display;
  154.    xsp_screen->screen = screen;
  155.    xsp_screen->xdraw.visual = XDefaultVisual(display, screen);
  156.    vl_compositor_reset_dirty_area(&xsp_screen->dirty_area);
  157.  
  158.    return &xsp_screen->base;
  159. }
  160.  
  161. void vl_screen_destroy(struct vl_screen *vscreen)
  162. {
  163.    struct vl_xsp_screen *xsp_screen = (struct vl_xsp_screen*)vscreen;
  164.  
  165.    assert(vscreen);
  166.  
  167.    pipe_resource_reference(&xsp_screen->tex, NULL);
  168.    vscreen->pscreen->destroy(vscreen->pscreen);
  169.    FREE(vscreen);
  170. }
  171.