src/gallium/drivers/nvfx/nvfx_state_viewport.c

   1 #include "nvfx_context.h"
   2
   3 static boolean
   4 nvfx_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         if(nvfx->render_mode == HW) {
  17                 so_data  (so, fui(vpt->translate[0]));
  18                 so_data  (so, fui(vpt->translate[1]));
  19                 so_data  (so, fui(vpt->translate[2]));
  20                 so_data  (so, fui(vpt->translate[3]));
  21                 so_data  (so, fui(vpt->scale[0]));
  22                 so_data  (so, fui(vpt->scale[1]));
  23                 so_data  (so, fui(vpt->scale[2]));
  24                 so_data  (so, fui(vpt->scale[3]));
  25                 so_method(so, nvfx->screen->eng3d, 0x1d78, 1);
  26                 so_data  (so, 1);
  27         } else {
  28                 so_data  (so, fui(0.0f));
  29                 so_data  (so, fui(0.0f));
  30                 so_data  (so, fui(0.0f));
  31                 so_data  (so, fui(0.0f));
  32                 so_data  (so, fui(1.0f));
  33                 so_data  (so, fui(1.0f));
  34                 so_data  (so, fui(1.0f));
  35                 so_data  (so, fui(1.0f));
  36                 so_method(so, nvfx->screen->eng3d, 0x1d78, 1);
  37                 so_data  (so, nvfx->is_nv4x ? 0x110 : 1);
  38         }
  39
  40         so_ref(so, &nvfx->state.hw[NVFX_STATE_VIEWPORT]);
  41         so_ref(NULL, &so);
  42         return TRUE;
  43 }
  44
  45 struct nvfx_state_entry nvfx_state_viewport = {
  46         .validate = nvfx_state_viewport_validate,
  47         .dirty = {
  48                 .pipe = NVFX_NEW_VIEWPORT,
  49                 .hw = NVFX_STATE_VIEWPORT
  50         }
  51 };