src/gallium/drivers/nv40/nv40_state_viewport.c

   1 #include "nv40_context.h"
   2
   3 static boolean
   4 nv40_state_viewport_validate(struct nvfx_context *nvfx)
   5 {
   6         struct pipe_viewport_state *vpt = &nvfx->viewport;
   7         struct nouveau_stateobj *so;
   8
   9         if (nvfx->state.hw[NVFX_STATE_VIEWPORT] &&
  10             !(nvfx->dirty & NVFX_NEW_VIEWPORT))
  11                 return FALSE;
  12
  13         so = so_new(2, 9, 0);
  14         so_method(so, nvfx->screen->eng3d,
  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, nvfx->screen->eng3d, 0x1d78, 1);
  25         so_data  (so, 1);
  26
  27         so_ref(so, &nvfx->state.hw[NVFX_STATE_VIEWPORT]);
  28         so_ref(NULL, &so);
  29         return TRUE;
  30 }
  31
  32 struct nvfx_state_entry nv40_state_viewport = {
  33         .validate = nv40_state_viewport_validate,
  34         .dirty = {
  35                 .pipe = NVFX_NEW_VIEWPORT | NVFX_NEW_RAST,
  36                 .hw = NVFX_STATE_VIEWPORT
  37         }
  38 };