src/gallium/winsys/drm/vmware/xorg/vmw_screen.c

   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
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   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
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  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 /**
  27  * @file
  28  * Contains the init code for the VMware Xorg driver.
  29  *
  30  * @author Jakob Bornecrantz <jakob@vmware.com>
  31  */
  32
  33 #include "vmw_hook.h"
  34 #include "vmw_driver.h"
  35
  36 #include "cursorstr.h"
  37
  38 /* modified version of crtc functions */
  39 xf86CrtcFuncsRec vmw_screen_crtc_funcs;
  40
  41 static void
  42 vmw_screen_cursor_load_argb(xf86CrtcPtr crtc, CARD32 *image)
  43 {
  44     struct vmw_driver *vmw = modesettingPTR(crtc->scrn)->winsys_priv;
  45     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
  46     xf86CrtcFuncsPtr funcs = vmw->cursor_priv;
  47     CursorPtr c = config->cursor;
  48
  49     /* Run the ioctl before uploading the image */
  50     vmw_ioctl_cursor_bypass(vmw, c->bits->xhot, c->bits->yhot);
  51
  52     funcs->load_cursor_argb(crtc, image);
  53 }
  54
  55 static void
  56 vmw_screen_cursor_init(ScrnInfoPtr pScrn, struct vmw_driver *vmw)
  57 {
  58     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
  59     int i;
  60
  61     /* XXX assume that all crtc's have the same function struct */
  62
  63     /* Save old struct need to call the old functions as well */
  64     vmw->cursor_priv = (void*)(config->crtc[0]->funcs);
  65     memcpy(&vmw_screen_crtc_funcs, vmw->cursor_priv, sizeof(xf86CrtcFuncsRec));
  66     vmw_screen_crtc_funcs.load_cursor_argb = vmw_screen_cursor_load_argb;
  67
  68     for (i = 0; i < config->num_crtc; i++)
  69         config->crtc[i]->funcs = &vmw_screen_crtc_funcs;
  70 }
  71
  72 static void
  73 vmw_screen_cursor_close(ScrnInfoPtr pScrn, struct vmw_driver *vmw)
  74 {
  75     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
  76     int i;
  77
  78     vmw_ioctl_cursor_bypass(vmw, 0, 0);
  79
  80     for (i = 0; i < config->num_crtc; i++)
  81         config->crtc[i]->funcs = vmw->cursor_priv;
  82 }
  83
  84 static Bool
  85 vmw_screen_init(ScrnInfoPtr pScrn)
  86 {
  87     modesettingPtr ms = modesettingPTR(pScrn);
  88     struct vmw_driver *vmw;
  89
  90     vmw = xnfcalloc(sizeof(*vmw), 1);
  91     if (!vmw)
  92         return FALSE;
  93
  94     vmw->fd = ms->fd;
  95     ms->winsys_priv = vmw;
  96
  97     vmw_screen_cursor_init(pScrn, vmw);
  98
  99     /* if gallium is used then we don't need to do anything more. */
 100     if (ms->screen)
 101         return TRUE;
 102
 103     vmw_video_init(pScrn, vmw);
 104
 105     return TRUE;
 106 }
 107
 108 static Bool
 109 vmw_screen_close(ScrnInfoPtr pScrn)
 110 {
 111     modesettingPtr ms = modesettingPTR(pScrn);
 112     struct vmw_driver *vmw = vmw_driver(pScrn);
 113
 114     if (!vmw)
 115         return TRUE;
 116
 117     vmw_screen_cursor_close(pScrn, vmw);
 118
 119     vmw_video_close(pScrn, vmw);
 120
 121     ms->winsys_priv = NULL;
 122     xfree(vmw);
 123
 124     return TRUE;
 125 }
 126
 127 static Bool
 128 vmw_screen_enter_vt(ScrnInfoPtr pScrn)
 129 {
 130     debug_printf("%s: enter\n", __func__);
 131
 132     return TRUE;
 133 }
 134
 135 static Bool
 136 vmw_screen_leave_vt(ScrnInfoPtr pScrn)
 137 {
 138     struct vmw_driver *vmw = vmw_driver(pScrn);
 139
 140     debug_printf("%s: enter\n", __func__);
 141
 142     vmw_video_stop_all(pScrn, vmw);
 143
 144     return TRUE;
 145 }
 146
 147 /*
 148  * Functions for setting up hooks into the xorg state tracker
 149  */
 150
 151 static Bool (*vmw_screen_pre_init_saved)(ScrnInfoPtr pScrn, int flags) = NULL;
 152
 153 static Bool
 154 vmw_screen_pre_init(ScrnInfoPtr pScrn, int flags)
 155 {
 156     modesettingPtr ms;
 157
 158     pScrn->PreInit = vmw_screen_pre_init_saved;
 159     if (!pScrn->PreInit(pScrn, flags))
 160         return FALSE;
 161
 162     ms = modesettingPTR(pScrn);
 163     ms->winsys_screen_init = vmw_screen_init;
 164     ms->winsys_screen_close = vmw_screen_close;
 165     ms->winsys_enter_vt = vmw_screen_enter_vt;
 166     ms->winsys_leave_vt = vmw_screen_leave_vt;
 167
 168     return TRUE;
 169 }
 170
 171 void
 172 vmw_screen_set_functions(ScrnInfoPtr pScrn)
 173 {
 174     assert(!vmw_screen_pre_init_saved);
 175
 176     vmw_screen_pre_init_saved = pScrn->PreInit;
 177     pScrn->PreInit = vmw_screen_pre_init;
 178 }