src/gallium/drivers/nvfx/nvfx_state_stipple.c

   1 #include "nvfx_context.h"
   2
   3 void
   4 nvfx_state_stipple_validate(struct nvfx_context *nvfx)
   5 {
   6         struct nouveau_channel *chan = nvfx->screen->base.channel;
   7         struct pipe_rasterizer_state *rast = &nvfx->rasterizer->pipe;
   8
   9         if ((rast->poly_stipple_enable == 0 && nvfx->state.stipple_enabled == 0))
  10                 return;
  11
  12         if (rast->poly_stipple_enable) {
  13                 unsigned i;
  14
  15                 WAIT_RING(chan, 35);
  16                 OUT_RING(chan, RING_3D(NV34TCL_POLYGON_STIPPLE_ENABLE, 1));
  17                 OUT_RING(chan, 1);
  18                 OUT_RING(chan, RING_3D(NV34TCL_POLYGON_STIPPLE_PATTERN(0), 32));
  19                 for (i = 0; i < 32; i++)
  20                         OUT_RING(chan, nvfx->stipple[i]);
  21         } else {
  22                 WAIT_RING(chan, 2);
  23                 OUT_RING(chan, RING_3D(NV34TCL_POLYGON_STIPPLE_ENABLE, 1));
  24                 OUT_RING(chan, 0);
  25         }
  26 }