From efacbddaef22e2fd0959ad163cb63851957378dc Mon Sep 17 00:00:00 2001
From: "Unknown W. Brackets" <checkins@unknownbrackets.org>
Date: Mon, 4 Jul 2022 13:22:17 -0700
Subject: [PATCH] Reporting: Log when vertex count truncated.

---
 GPU/GLES/DrawEngineGLES.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/GPU/GLES/DrawEngineGLES.cpp b/GPU/GLES/DrawEngineGLES.cpp
index 369cc62a02..d36efaffa5 100644
--- a/GPU/GLES/DrawEngineGLES.cpp
+++ b/GPU/GLES/DrawEngineGLES.cpp
@@ -373,8 +373,11 @@ void DrawEngineGLES::DoFlush() {
 
 		// TODO: Split up into multiple draw calls for GLES 2.0 where you can't guarantee support for more than 0x10000 verts.
 #if defined(MOBILE_DEVICE)
-		if (vertexCount > 0x10000 / 3)
-			vertexCount = 0x10000 / 3;
+		constexpr int vertexCountLimit = 0x10000 / 3;
+		if (vertexCount > vertexCountLimit) {
+			WARN_LOG_REPORT_ONCE(manyVerts, G3D, "Truncating vertex count from %d to %d", vertexCount, vertexCountLimit);
+			vertexCount = vertexCountLimit;
+		}
 #endif
 
 		SoftwareTransform swTransform(params);