KernelLand/Modules/Interfaces/UDI/trans/gfx.udic

   1 /*
   2  * Acess2 UDI Layer
   3  * - By John Hodge (thePowersGang)
   4  *
   5  * trans/gfx.c
   6  * - Graphics interface
   7  */
   8 #define DEBUG   1
   9 #define UDI_VERSION 0x101
  10 #define UDI_GFX_VERSION 0x101
  11 #include <udi.h>
  12 #include <udi_gfx.h>
  13 #include <acess.h>
  14 #include <api_drv_video.h>
  15
  16 // === TYPES ===
  17 typedef struct rdata_s
  18 {
  19
  20 } rdata_t;
  21
  22 // === CODE ===
  23 void usage_ind(udi_usage_cb_t *cb, udi_ubit8_t resource_level)
  24 {
  25         // Set up structures that don't need interegating the card to do
  26
  27 }
  28
  29 @1=GFX_CLIENT channel_event_ind(udi_channel_event_cb_t *cb)
  30 {
  31         udi_gfx_bind_cb_t       *bind_cb = cb->params.parent_bound.bind_cb;
  32         switch(cb->event)
  33         {
  34         case UDI_CHANNEL_CLOSED:
  35                 return;
  36         case UDI_CHANNEL_BOUND:
  37                 [sockets, engines, status] = udi_gfx_bind_req(bind_cb);
  38                 if( status != UDI_OK ) {
  39                         return;
  40                 }
  41                 // allocate a CB
  42                 [new_cb] = udi_cb_alloc(bind_cb, ACESSGFX_CB_STATE);
  43                 udi_gfx_state_cb_t *state_cb = new_cb;
  44                 for( int i = 0; i < engines; i ++ )
  45                 {
  46                         state_cb->subsystem = i;
  47                         state_cb->attribute = UDI_GFX_PROP_PIXELFORMAT;
  48                         [pixfmt] = @TRY_NAK[status] udi_gfx_get_engine_req(state_cb)
  49                         {
  50                                 // Shit to do if NAK happens
  51                                 return ;
  52                                 // break PIXFMT_NONE;
  53                         }
  54
  55                         // TODO: Annotate udi_gfx_state_cb_t to note values are kept?
  56                         state_cb->subsystem = i;
  57                         state_cb->attribute = UDI_GFX_PROP_OPERATOR_INDEX;
  58                         [count] = udi_gfx_get_engine_req(state_cb);
  59                         for( int j = 0; j < count; j ++ )
  60                         {
  61                                 state_cb->attribute = j;
  62                                 [operator, arg_1, arg_2, arg_3] = udi_gfx_engine_getop_req(state_cb);
  63                                 Log_Debug("UDIGFX", "%i/%i: %i 0x%x 0x%x 0x%x",
  64                                         i, j,
  65                                         operator, arg_1, arg_2, arg_3);
  66                         }
  67                 }
  68                 return;
  69         default:
  70                 // TODO: emit an error of some form?
  71                 return;
  72         }
  73 }
  74
  75 // === UDI Bindings ===
  76
  77
  78 // vim: ft=c