From 21ea8b2fcbb945d0d89da80c8020a16427c6ca94 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sat, 18 May 2019 03:02:34 -0300
Subject: [PATCH] gl_rasterizer: Limit OpenGL point size to a minimum of 1

---
 src/video_core/renderer_opengl/gl_rasterizer.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 3cc945235..d1a1357e4 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -1135,7 +1135,9 @@ void RasterizerOpenGL::SyncTransformFeedback() {
 
 void RasterizerOpenGL::SyncPointState() {
     const auto& regs = system.GPU().Maxwell3D().regs;
-    state.point.size = regs.point_size;
+    // Limit the point size to 1 since nouveau sometimes sets a point size of 0 (and that's invalid
+    // in OpenGL).
+    state.point.size = std::max(1.0f, regs.point_size);
 }
 
 void RasterizerOpenGL::SyncPolygonOffset() {