1 files changed, 46 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_pipe_rast.c b/src/gallium/drivers/i965/brw_pipe_rast.c
new file mode 100644
index 00000000000..ff64dbd48d4
--- /dev/null
+++ b/src/gallium/drivers/i965/brw_pipe_rast.c
@@ -0,0 +1,46 @@
+
+static void
+calculate_clip_key_rast()
+{
+   if (BRW_IS_IGDNG(brw))
+       key.clip_mode = BRW_CLIPMODE_KERNEL_CLIP;
+   else
+       key.clip_mode = BRW_CLIPMODE_NORMAL;
+
+   key.do_flat_shading = brw->rast->templ.flatshade;
+
+   if (key.primitive == PIPE_PRIM_TRIANGLES) {
+      if (brw->rast->templ.cull_mode = PIPE_WINDING_BOTH)
+	 key.clip_mode = BRW_CLIPMODE_REJECT_ALL;
+      else {
+	 key.fill_ccw = CLIP_CULL;
+	 key.fill_cw = CLIP_CULL;
+
+	 if (!(brw->rast->templ.cull_mode & PIPE_WINDING_CCW)) {
+	    key.fill_ccw = translate_fill(brw->rast.fill_ccw);
+	 }
+
+	 if (!(brw->rast->templ.cull_mode & PIPE_WINDING_CW)) {
+	    key.fill_cw = translate_fill(brw->rast.fill_cw);
+	 }
+
+	 if (key.fill_cw != CLIP_FILL ||
+	     key.fill_ccw != CLIP_FILL) {
+	    key.do_unfilled = 1;
+	    key.clip_mode = BRW_CLIPMODE_CLIP_NON_REJECTED;
+	 }
+
+	 key.offset_ccw = brw->rast.templ.offset_ccw;
+	 key.offset_cw = brw->rast.templ.offset_cw;
+
+	 if (brw->rast.templ.light_twoside &&
+	     key.fill_cw != CLIP_CULL) 
+	    key.copy_bfc_cw = 1;
+
+	 if (brw->rast.templ.light_twoside &&
+	     key.fill_ccw != CLIP_CULL) 
+	    key.copy_bfc_ccw = 1;
+	 }
+      }
+   }
+}