From e4b80f60a4b713a85f9be16da9ce85bdff900fda Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Thu, 15 Feb 2024 19:30:10 +1100
Subject: [PATCH] Dreamcast: Draw each quad as a triangle strip instead of two
 triangles

---
 third_party/gldc/src/sh4.c | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/third_party/gldc/src/sh4.c b/third_party/gldc/src/sh4.c
index 7d349d641..03fd9e18c 100644
--- a/third_party/gldc/src/sh4.c
+++ b/third_party/gldc/src/sh4.c
@@ -360,26 +360,18 @@ void SceneListSubmit(Vertex* v3, int n) {
         switch(visible_mask) {
         case V0_VIS | V1_VIS | V2_VIS | V3_VIS: // All vertices visible
         {
-            _glPerspectiveDivideVertex(v0);
-            _glPushHeaderOrVertex(v0);
-
+            // Triangle strip: {1,2,0} {2,0,3}
             _glPerspectiveDivideVertex(v1);
             _glPushHeaderOrVertex(v1);
 
-            v2->flags = GPU_CMD_VERTEX_EOL;
             _glPerspectiveDivideVertex(v2);
             _glPushHeaderOrVertex(v2);
             
-            
-            v2->flags = GPU_CMD_VERTEX;
-            _glPushHeaderOrVertex(v2);
+            _glPerspectiveDivideVertex(v0);
+            _glPushHeaderOrVertex(v0);
 
-            v3->flags = GPU_CMD_VERTEX;
             _glPerspectiveDivideVertex(v3);
             _glPushHeaderOrVertex(v3);
-            
-            v0->flags = GPU_CMD_VERTEX_EOL;
-            _glPushHeaderOrVertex(v0);
         }
         break;