st/mesa: add support for nvidia conservative rasterization extensions

Signed-off-by: Rhys Perry <[email protected]>
Reviewed-by: Brian Paul <[email protected]>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/mesa/state_tracker/st_atom_rasterizer.c b/src/mesa/state_tracker/st_atom_rasterizer.c
index 1be072e6e39..0383b8ac4ad 100644
--- a/src/mesa/state_tracker/st_atom_rasterizer.c
+++ b/src/mesa/state_tracker/st_atom_rasterizer.c
@@ -298,5 +298,20 @@ st_update_rasterizer(struct st_context *st)
    raster->clip_plane_enable = ctx->Transform.ClipPlanesEnabled;
    raster->clip_halfz = (ctx->Transform.ClipDepthMode == GL_ZERO_TO_ONE);
 
+    /* ST_NEW_RASTERIZER */
+   if (ctx->ConservativeRasterization) {
+      if (ctx->ConservativeRasterMode == GL_CONSERVATIVE_RASTER_MODE_POST_SNAP_NV)
+         raster->conservative_raster_mode = PIPE_CONSERVATIVE_RASTER_POST_SNAP;
+      else
+         raster->conservative_raster_mode = PIPE_CONSERVATIVE_RASTER_PRE_SNAP;
+   } else {
+      raster->conservative_raster_mode = PIPE_CONSERVATIVE_RASTER_OFF;
+   }
+
+   raster->conservative_raster_dilate = ctx->ConservativeRasterDilate;
+
+   raster->subpixel_precision_x = ctx->SubpixelPrecisionBias[0];
+   raster->subpixel_precision_y = ctx->SubpixelPrecisionBias[1];
+
    cso_set_rasterizer(st->cso_context, raster);
 }