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
   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  * 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_customizer *vmw =
  45         vmw_customizer(xorg_customizer(crtc->scrn));
  46     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
  47     xf86CrtcFuncsPtr funcs = vmw->cursor_priv;
  48     CursorPtr c = config->cursor;
  49
  50     /* Run the ioctl before uploading the image */
  51     vmw_ioctl_cursor_bypass(vmw, c->bits->xhot, c->bits->yhot);
  52
  53     funcs->load_cursor_argb(crtc, image);
  54 }
  55
  56 static void
  57 vmw_screen_cursor_init(struct vmw_customizer *vmw)
  58 {
  59     ScrnInfoPtr pScrn = vmw->pScrn;
  60     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
  61     int i;
  62
  63     /* XXX assume that all crtc's have the same function struct */
  64
  65     /* Save old struct need to call the old functions as well */
  66     vmw->cursor_priv = (void*)(config->crtc[0]->funcs);
  67     memcpy(&vmw_screen_crtc_funcs, vmw->cursor_priv, sizeof(xf86CrtcFuncsRec));
  68     vmw_screen_crtc_funcs.load_cursor_argb = vmw_screen_cursor_load_argb;
  69
  70     for (i = 0; i < config->num_crtc; i++)
  71         config->crtc[i]->funcs = &vmw_screen_crtc_funcs;
  72 }
  73
  74 static void
  75 vmw_screen_cursor_close(struct vmw_customizer *vmw)
  76 {
  77     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(vmw->pScrn);
  78     int i;
  79
  80     vmw_ioctl_cursor_bypass(vmw, 0, 0);
  81
  82     for (i = 0; i < config->num_crtc; i++)
  83         config->crtc[i]->funcs = vmw->cursor_priv;
  84 }
  85
  86 static Bool
  87 vmw_screen_init(CustomizerPtr cust, int fd)
  88 {
  89     struct vmw_customizer *vmw = vmw_customizer(cust);
  90
  91     vmw->fd = fd;
  92     vmw_screen_cursor_init(vmw);
  93
  94     /* if gallium is used then we don't need to do anything more. */
  95     if (xorg_has_gallium(vmw->pScrn))
  96         return TRUE;
  97
  98     vmw_video_init(vmw);
  99
 100     return TRUE;
 101 }
 102
 103 static Bool
 104 vmw_screen_close(CustomizerPtr cust)
 105 {
 106     struct vmw_customizer *vmw = vmw_customizer(cust);
 107
 108     if (!vmw)
 109         return TRUE;
 110
 111     vmw_screen_cursor_close(vmw);
 112
 113     vmw_video_close(vmw);
 114
 115     return TRUE;
 116 }
 117
 118 static Bool
 119 vmw_screen_enter_vt(CustomizerPtr cust)
 120 {
 121     debug_printf("%s: enter\n", __func__);
 122
 123     return TRUE;
 124 }
 125
 126 static Bool
 127 vmw_screen_leave_vt(CustomizerPtr cust)
 128 {
 129     struct vmw_customizer *vmw = vmw_customizer(cust);
 130
 131     debug_printf("%s: enter\n", __func__);
 132
 133     vmw_video_stop_all(vmw);
 134
 135     return TRUE;
 136 }
 137
 138 /*
 139  * Functions for setting up hooks into the xorg state tracker
 140  */
 141
 142 static Bool (*vmw_screen_pre_init_saved)(ScrnInfoPtr pScrn, int flags) = NULL;
 143
 144 static Bool
 145 vmw_screen_pre_init(ScrnInfoPtr pScrn, int flags)
 146 {
 147     struct vmw_customizer *vmw;
 148     CustomizerPtr cust;
 149
 150     vmw = xnfcalloc(1, sizeof(*vmw));
 151     if (!vmw)
 152         return FALSE;
 153
 154     cust = &vmw->base;
 155
 156     cust->winsys_screen_init = vmw_screen_init;
 157     cust->winsys_screen_close = vmw_screen_close;
 158     cust->winsys_enter_vt = vmw_screen_enter_vt;
 159     cust->winsys_leave_vt = vmw_screen_leave_vt;
 160     vmw->pScrn = pScrn;
 161
 162     pScrn->driverPrivate = cust;
 163
 164     pScrn->PreInit = vmw_screen_pre_init_saved;
 165     if (!pScrn->PreInit(pScrn, flags))
 166         return FALSE;
 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 }