From 4fdcb079663eccc71ed2c120f8279d6c364de9fd Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sat, 4 May 2024 23:58:08 -0600
Subject: platform/wavelet3d: implement shader writeback

---
 platform/wavelet3d/gfx_shader_setup.sv | 37 ++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 platform/wavelet3d/gfx_shader_setup.sv

(limited to 'platform/wavelet3d/gfx_shader_setup.sv')

diff --git a/platform/wavelet3d/gfx_shader_setup.sv b/platform/wavelet3d/gfx_shader_setup.sv
new file mode 100644
index 0000000..f46fb66
--- /dev/null
+++ b/platform/wavelet3d/gfx_shader_setup.sv
@@ -0,0 +1,37 @@
+interface gfx_shader_setup
+import gfx::*;;
+
+	struct
+	{
+		group_id  group;
+		word_ptr  pc;
+		xgpr_num  gpr;
+		word      gpr_value;
+		lane_mask mask;
+		logic     pc_set,
+		          gpr_set,
+		          mask_set;
+	} write;
+
+	struct
+	{
+		logic gpr,
+		      mask,
+		      submit;
+	} set_done;
+
+	modport core
+	(
+		input  write,
+
+		output set_done
+	);
+
+	modport sched
+	(
+		input  set_done,
+
+		output write
+	);
+
+endinterface
-- 
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