src/gallium/drivers/nvfx/nvfx_state_viewport.c

   1 #include "nvfx_context.h"
   2
   3 /* Having this depend on FB and RAST looks wrong, but it seems
   4    necessary to make this work on nv3x
   5    TODO: find the right fix
   6 */
   7
   8 static boolean
   9 nvfx_state_viewport_validate(struct nvfx_context *nvfx)
  10 {
  11         struct pipe_viewport_state *vpt = &nvfx->viewport;
  12         struct nouveau_stateobj *so;
  13
  14         so = so_new(2, 9, 0);
  15         so_method(so, nvfx->screen->eng3d,
  16                   NV34TCL_VIEWPORT_TRANSLATE_X, 8);
  17         if(nvfx->render_mode == HW) {
  18                 so_data  (so, fui(vpt->translate[0]));
  19                 so_data  (so, fui(vpt->translate[1]));
  20                 so_data  (so, fui(vpt->translate[2]));
  21                 so_data  (so, fui(vpt->translate[3]));
  22                 so_data  (so, fui(vpt->scale[0]));
  23                 so_data  (so, fui(vpt->scale[1]));
  24                 so_data  (so, fui(vpt->scale[2]));
  25                 so_data  (so, fui(vpt->scale[3]));
  26                 so_method(so, nvfx->screen->eng3d, 0x1d78, 1);
  27                 so_data  (so, 1);
  28         } else {
  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(0.0f));
  33                 so_data  (so, fui(1.0f));
  34                 so_data  (so, fui(1.0f));
  35                 so_data  (so, fui(1.0f));
  36                 so_data  (so, fui(1.0f));
  37                 so_method(so, nvfx->screen->eng3d, 0x1d78, 1);
  38                 so_data  (so, nvfx->is_nv4x ? 0x110 : 1);
  39         }
  40
  41         so_ref(so, &nvfx->state.hw[NVFX_STATE_VIEWPORT]);
  42         so_ref(NULL, &so);
  43         return TRUE;
  44 }
  45
  46 struct nvfx_state_entry nvfx_state_viewport = {
  47         .validate = nvfx_state_viewport_validate,
  48         .dirty = {
  49                 .pipe = NVFX_NEW_VIEWPORT | NVFX_NEW_FB | NVFX_NEW_RAST,
  50                 .hw = NVFX_STATE_VIEWPORT
  51         }
  52 };