backends/virtual/tdm_virtual.c

   1 #ifdef HAVE_CONFIG_H
   2 #include "config.h"
   3 #endif
   4
   5 #include "tdm_virtual.h"
   6
   7 static tdm_virtual_data *virtual_data;
   8
   9 void
  10 tdm_virtual_deinit(tdm_backend_data *bdata)
  11 {
  12         if (virtual_data != bdata)
  13                 return;
  14
  15         TDM_INFO("deinit");
  16
  17         tdm_virtual_display_destroy_output_list(virtual_data);
  18
  19         if (virtual_data->pipe[0] >= 0)
  20                 close(virtual_data->pipe[0]);
  21         if (virtual_data->pipe[1] >= 0)
  22                 close(virtual_data->pipe[1]);
  23
  24         free(virtual_data);
  25         virtual_data = NULL;
  26 }
  27
  28 tdm_backend_data *
  29 tdm_virtual_init(tdm_display *dpy, tdm_error *error)
  30 {
  31         tdm_func_display virtual_func_display;
  32         tdm_func_output virtual_func_output;
  33         tdm_func_voutput virtual_func_voutput;
  34         tdm_func_layer virtual_func_layer;
  35         tdm_error ret;
  36
  37         if (!dpy) {
  38                 TDM_ERR("display is null");
  39                 if (error)
  40                         *error = TDM_ERROR_INVALID_PARAMETER;
  41                 return NULL;
  42         }
  43
  44         if (virtual_data) {
  45                 TDM_ERR("failed: init twice");
  46                 if (error)
  47                         *error = TDM_ERROR_BAD_REQUEST;
  48                 return NULL;
  49         }
  50
  51         virtual_data = calloc(1, sizeof(tdm_virtual_data));
  52         if (!virtual_data) {
  53                 TDM_ERR("alloc failed");
  54                 if (error)
  55                         *error = TDM_ERROR_OUT_OF_MEMORY;
  56                 return NULL;
  57         }
  58
  59         LIST_INITHEAD(&virtual_data->voutput_list);
  60         LIST_INITHEAD(&virtual_data->output_list);
  61         LIST_INITHEAD(&virtual_data->buffer_list);
  62
  63         memset(&virtual_func_display, 0, sizeof(virtual_func_display));
  64         virtual_func_display.display_get_capability = virtual_display_get_capability;
  65         virtual_func_display.display_get_outputs = virtual_display_get_outputs;
  66         virtual_func_display.display_get_fd = virtual_display_get_fd;
  67         virtual_func_display.display_handle_events = virtual_display_handle_events;
  68         virtual_func_display.voutput_create = virtual_output_create;
  69
  70         memset(&virtual_func_output, 0, sizeof(virtual_func_output));
  71         virtual_func_output.output_get_capability = virtual_output_get_capability;
  72         virtual_func_output.output_get_layers = virtual_output_get_layers;
  73         virtual_func_output.output_wait_vblank = virtual_output_wait_vblank;
  74         virtual_func_output.output_set_vblank_handler = virtual_output_set_vblank_handler;
  75         virtual_func_output.output_commit = virtual_output_commit;
  76         virtual_func_output.output_set_commit_handler = virtual_output_set_commit_handler;
  77
  78         virtual_func_output.output_set_dpms = virtual_output_set_dpms;
  79         virtual_func_output.output_get_dpms = virtual_output_get_dpms;
  80
  81         virtual_func_output.output_set_mode = virtual_output_set_mode;
  82         virtual_func_output.output_get_mode = virtual_output_get_mode;
  83         virtual_func_output.output_set_status_handler = virtual_output_set_status_handler;
  84
  85         memset(&virtual_func_voutput, 0, sizeof(virtual_func_voutput));
  86         virtual_func_voutput.voutput_destroy = virtual_output_destroy;
  87         virtual_func_voutput.voutput_set_available_mode = virtual_output_set_available_mode;
  88         virtual_func_voutput.voutput_set_physical_size = virtual_output_set_physical_size;
  89         virtual_func_voutput.voutput_connect = virtual_output_connect;
  90         virtual_func_voutput.voutput_disconnect = virtual_output_disconnect;
  91         virtual_func_voutput.voutput_get_output = virtual_output_get_output;
  92         virtual_func_voutput.voutput_set_commit_func = virtual_output_set_commit_func;
  93         virtual_func_voutput.voutput_commit_done = virtual_output_commit_done;
  94
  95         memset(&virtual_func_layer, 0, sizeof(virtual_func_layer));
  96         virtual_func_layer.layer_get_capability = virtual_layer_get_capability;
  97         virtual_func_layer.layer_set_info = virtual_layer_set_info;
  98         virtual_func_layer.layer_get_info = virtual_layer_get_info;
  99         virtual_func_layer.layer_set_buffer = virtual_layer_set_buffer;
 100         virtual_func_layer.layer_unset_buffer = virtual_layer_unset_buffer;
 101
 102         ret = tdm_backend_register_func_display(dpy, &virtual_func_display);
 103         if (ret != TDM_ERROR_NONE)
 104                 goto failed;
 105
 106         ret = tdm_backend_register_func_output(dpy, &virtual_func_output);
 107         if (ret != TDM_ERROR_NONE)
 108                 goto failed;
 109
 110         ret = tdm_backend_register_func_voutput(dpy, &virtual_func_voutput);
 111         if (ret != TDM_ERROR_NONE)
 112                 goto failed;
 113
 114         ret = tdm_backend_register_func_layer(dpy, &virtual_func_layer);
 115         if (ret != TDM_ERROR_NONE)
 116                 goto failed;
 117
 118         virtual_data->dpy = dpy;
 119
 120         if (pipe(virtual_data->pipe) < 0) {
 121                 TDM_ERR("failed get pipe: %m");
 122                 ret = TDM_ERROR_OPERATION_FAILED;
 123                 goto failed;
 124         }
 125
 126         if (error)
 127                 *error = TDM_ERROR_NONE;
 128
 129         TDM_INFO("init success!");
 130
 131         return (tdm_backend_data *)virtual_data;
 132 failed:
 133         if (error)
 134                 *error = ret;
 135
 136         tdm_virtual_deinit(virtual_data);
 137
 138         TDM_ERR("init failed!");
 139         return NULL;
 140 }
 141
 142 tdm_backend_module tdm_backend_module_data = {
 143         "Virtual",
 144         "Samsung",
 145         TDM_BACKEND_SET_ABI_VERSION(1, 1),
 146         tdm_virtual_init,
 147         tdm_virtual_deinit
 148 };