platform/wavelet3d: implement shader cores

This commit contains over a month of intermittent work (I don't have
enough free time to do this the right way)

1 files changed, 37 insertions, 0 deletions

diff --git a/platform/wavelet3d/gfx_front_back.sv b/platform/wavelet3d/gfx_front_back.sv
new file mode 100644
index 0000000..890b734
--- /dev/null
+++ b/platform/wavelet3d/gfx_front_back.sv
@@ -0,0 +1,37 @@
+interface gfx_front_back
+import gfx::*;;
+
+	struct
+	{
+		group_id group;
+		fpint_op p0;
+		mem_op   p1;
+		sfu_op   p2;
+		group_op p3;
+	} execute;
+
+	struct
+	{
+		logic    valid;
+		group_id group;
+	} loop;
+
+	shader_dispatch dispatch;
+
+	modport front
+	(
+		input  loop,
+
+		output execute,
+		       dispatch
+	);
+
+	modport back
+	(
+		input  execute,
+		       dispatch,
+
+		output loop
+	);
+
+endinterface