From 707bf41c6f3bb111407c884659a5a1e5757df53f Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Fri, 1 Nov 2019 00:43:59 -0300
Subject: maxwell_3d: Add tessellation mode register

---
 src/video_core/engines/maxwell_3d.h | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

(limited to 'src/video_core/engines')

diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index 884f2b018..05d182006 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -491,6 +491,23 @@ public:
             INSERT_UNION_PADDING_WORDS(1);
         };
 
+        enum class DepthMode : u32 {
+            MinusOneToOne = 0,
+            ZeroToOne = 1,
+        };
+
+        enum class TessellationPrimitive : u32 {
+            Isolines = 0,
+            Triangles = 1,
+            Quads = 2,
+        };
+
+        enum class TessellationSpacing : u32 {
+            Equal = 0,
+            FractionalOdd = 1,
+            FractionalEven = 2,
+        };
+
         struct RenderTargetConfig {
             u32 address_high;
             u32 address_low;
@@ -628,7 +645,16 @@ public:
                     };
                 } sync_info;
 
-                INSERT_UNION_PADDING_WORDS(0x11E);
+                INSERT_UNION_PADDING_WORDS(0x15);
+
+                union {
+                    BitField<0, 2, TessellationPrimitive> prim;
+                    BitField<4, 2, TessellationSpacing> spacing;
+                    BitField<8, 1, u32> cw;
+                    BitField<9, 1, u32> connected;
+                } tess_mode;
+
+                INSERT_UNION_PADDING_WORDS(0x108);
 
                 u32 tfb_enabled;
 
@@ -1388,6 +1414,7 @@ ASSERT_REG_POSITION(upload, 0x60);
 ASSERT_REG_POSITION(exec_upload, 0x6C);
 ASSERT_REG_POSITION(data_upload, 0x6D);
 ASSERT_REG_POSITION(sync_info, 0xB2);
+ASSERT_REG_POSITION(tess_mode, 0xC8);
 ASSERT_REG_POSITION(tfb_enabled, 0x1D1);
 ASSERT_REG_POSITION(rt, 0x200);
 ASSERT_REG_POSITION(viewport_transform, 0x280);
-- 
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