From c7396955e9d0437dc24d5ede09724fa47e0693af Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan.goodliffe@octal.co.uk>
Date: Wed, 19 Apr 2023 14:42:11 +0100
Subject: Enable all vertex array attribs configured by vertexAttribFunc

---
 gfx/gl/vertexArrayObject.hpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'gfx/gl')

diff --git a/gfx/gl/vertexArrayObject.hpp b/gfx/gl/vertexArrayObject.hpp
index 2285ed0..92e0325 100644
--- a/gfx/gl/vertexArrayObject.hpp
+++ b/gfx/gl/vertexArrayObject.hpp
@@ -75,9 +75,13 @@ private:
 	static auto
 	set_pointer(const GLuint vertexArrayId, const void * ptr)
 	{
-		glEnableVertexAttribArray(vertexArrayId);
 		using traits = gl_traits<T>;
-		return traits::vertexAttribFunc(vertexArrayId, traits::size, traits::type, sizeof(VertexT), ptr);
+		const auto usedAttribs
+				= traits::vertexAttribFunc(vertexArrayId, traits::size, traits::type, sizeof(VertexT), ptr);
+		for (GLuint i {}; i < usedAttribs; i++) {
+			glEnableVertexAttribArray(vertexArrayId + i);
+		}
+		return usedAttribs;
 	}
 
 	template<typename VertexT, MP attrib>
-- 
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