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, 29 insertions, 0 deletions

diff --git a/platform/wavelet3d/gfx_beats.sv b/platform/wavelet3d/gfx_beats.sv
new file mode 100644
index 0000000..fcbb091
--- /dev/null
+++ b/platform/wavelet3d/gfx_beats.sv
@@ -0,0 +1,29 @@
+interface gfx_beats
+#(int WIDTH = $bits(gfx::word));
+
+	logic[WIDTH - 1:0] data;
+	logic              ready;
+	logic              valid;
+
+	modport tx
+	(
+		input  ready,
+		output data,
+		       valid
+	);
+
+	modport rx
+	(
+		input  data,
+		       valid,
+		output ready
+	);
+
+	modport peek
+	(
+		input  data,
+		       ready,
+		       valid
+	);
+
+endinterface