src/gallium/drivers/nv30/nv30_state_viewport.c

   1 #include "nv30_context.h"
   2
   3 static boolean
   4 nv30_state_viewport_validate(struct nv30_context *nv30)
   5 {
   6         struct pipe_viewport_state *vpt = &nv30->viewport;
   7         struct nouveau_stateobj *so;
   8
   9         if (nv30->state.hw[NV30_STATE_VIEWPORT] &&
  10             !(nv30->dirty & NV30_NEW_VIEWPORT))
  11                 return FALSE;
  12
  13         so = so_new(3, 10, 0);
  14         so_method(so, nv30->screen->rankine,
  15                   NV34TCL_VIEWPORT_TRANSLATE_X, 8);
  16         so_data  (so, fui(vpt->translate[0]));
  17         so_data  (so, fui(vpt->translate[1]));
  18         so_data  (so, fui(vpt->translate[2]));
  19         so_data  (so, fui(vpt->translate[3]));
  20         so_data  (so, fui(vpt->scale[0]));
  21         so_data  (so, fui(vpt->scale[1]));
  22         so_data  (so, fui(vpt->scale[2]));
  23         so_data  (so, fui(vpt->scale[3]));
  24 /*      so_method(so, nv30->screen->rankine, 0x1d78, 1);
  25         so_data  (so, 1);
  26 */
  27         /* TODO/FIXME: never saw value 0x0110 in renouveau dumps, only 0x0001 */
  28         so_method(so, nv30->screen->rankine, 0x1d78, 1);
  29         so_data  (so, 1);
  30
  31         so_ref(so, &nv30->state.hw[NV30_STATE_VIEWPORT]);
  32         so_ref(NULL, &so);
  33         return TRUE;
  34 }
  35
  36 struct nv30_state_entry nv30_state_viewport = {
  37         .validate = nv30_state_viewport_validate,
  38         .dirty = {
  39                 .pipe = NV30_NEW_VIEWPORT | NV30_NEW_RAST,
  40                 .hw = NV30_STATE_VIEWPORT
  41         }
  42 };