backends/dummy/tdm_dummy.c

   1 #ifdef HAVE_CONFIG_H
   2 #include "config.h"
   3 #endif
   4
   5 #include "tdm_dummy.h"
   6
   7 static tdm_dummy_data *dummy_data;
   8
   9 void
  10 tdm_dummy_deinit(tdm_backend_data *bdata)
  11 {
  12         if (dummy_data != bdata)
  13                 return;
  14
  15         TDM_INFO("deinit");
  16
  17         tdm_dummy_display_destroy_output_list(dummy_data);
  18
  19         if (dummy_data->pipe[0] >= 0)
  20                 close(dummy_data->pipe[0]);
  21         if (dummy_data->pipe[1] >= 0)
  22                 close(dummy_data->pipe[1]);
  23
  24         free(dummy_data);
  25         dummy_data = NULL;
  26 }
  27
  28 tdm_backend_data *
  29 tdm_dummy_init(tdm_display *dpy, tdm_error *error)
  30 {
  31         tdm_func_display dummy_func_display;
  32         tdm_func_output dummy_func_output;
  33         tdm_func_layer dummy_func_layer;
  34         tdm_error ret;
  35
  36         if (!dpy) {
  37                 TDM_ERR("display is null");
  38                 if (error)
  39                         *error = TDM_ERROR_INVALID_PARAMETER;
  40                 return NULL;
  41         }
  42
  43         if (dummy_data) {
  44                 TDM_ERR("failed: init twice");
  45                 if (error)
  46                         *error = TDM_ERROR_BAD_REQUEST;
  47                 return NULL;
  48         }
  49
  50         dummy_data = calloc(1, sizeof(tdm_dummy_data));
  51         if (!dummy_data) {
  52                 TDM_ERR("alloc failed");
  53                 if (error)
  54                         *error = TDM_ERROR_OUT_OF_MEMORY;
  55                 return NULL;
  56         }
  57
  58         LIST_INITHEAD(&dummy_data->output_list);
  59         LIST_INITHEAD(&dummy_data->buffer_list);
  60
  61         memset(&dummy_func_display, 0, sizeof(dummy_func_display));
  62         dummy_func_display.display_get_capability = dummy_display_get_capability;
  63         dummy_func_display.display_get_outputs = dummy_display_get_outputs;
  64         dummy_func_display.display_get_fd = dummy_display_get_fd;
  65         dummy_func_display.display_handle_events = dummy_display_handle_events;
  66
  67         memset(&dummy_func_output, 0, sizeof(dummy_func_output));
  68         dummy_func_output.output_get_capability = dummy_output_get_capability;
  69         dummy_func_output.output_get_layers = dummy_output_get_layers;
  70         dummy_func_output.output_wait_vblank = dummy_output_wait_vblank;
  71         dummy_func_output.output_set_vblank_handler = dummy_output_set_vblank_handler;
  72         dummy_func_output.output_commit = dummy_output_commit;
  73         dummy_func_output.output_set_commit_handler = dummy_output_set_commit_handler;
  74         dummy_func_output.output_set_mode = dummy_output_set_mode;
  75         dummy_func_output.output_get_mode = dummy_output_get_mode;
  76
  77         memset(&dummy_func_layer, 0, sizeof(dummy_func_layer));
  78         dummy_func_layer.layer_get_capability = dummy_layer_get_capability;
  79         dummy_func_layer.layer_set_info = dummy_layer_set_info;
  80         dummy_func_layer.layer_get_info = dummy_layer_get_info;
  81         dummy_func_layer.layer_set_buffer = dummy_layer_set_buffer;
  82         dummy_func_layer.layer_unset_buffer = dummy_layer_unset_buffer;
  83
  84         ret = tdm_backend_register_func_display(dpy, &dummy_func_display);
  85         if (ret != TDM_ERROR_NONE)
  86                 goto failed;
  87
  88         ret = tdm_backend_register_func_output(dpy, &dummy_func_output);
  89         if (ret != TDM_ERROR_NONE)
  90                 goto failed;
  91
  92         ret = tdm_backend_register_func_layer(dpy, &dummy_func_layer);
  93         if (ret != TDM_ERROR_NONE)
  94                 goto failed;
  95
  96         dummy_data->dpy = dpy;
  97
  98         if (pipe(dummy_data->pipe) < 0) {
  99                 TDM_ERR("failed get pipe: %m");
 100                 ret = TDM_ERROR_OPERATION_FAILED;
 101                 goto failed;
 102         }
 103
 104         ret = tdm_dummy_display_create_output_list(dummy_data);
 105         if (ret != TDM_ERROR_NONE)
 106                 goto failed;
 107
 108         ret = tdm_dummy_display_create_layer_list(dummy_data);
 109         if (ret != TDM_ERROR_NONE)
 110                 goto failed;
 111
 112         if (error)
 113                 *error = TDM_ERROR_NONE;
 114
 115         TDM_INFO("init success!");
 116
 117         return (tdm_backend_data *)dummy_data;
 118 failed:
 119         if (error)
 120                 *error = ret;
 121
 122         tdm_dummy_deinit(dummy_data);
 123
 124         TDM_ERR("init failed!");
 125         return NULL;
 126 }
 127
 128 tdm_backend_module tdm_backend_module_data = {
 129         "Dummy",
 130         "Samsung",
 131         TDM_BACKEND_SET_ABI_VERSION(1, 1),
 132         tdm_dummy_init,
 133         tdm_dummy_deinit
 134 };