From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 17 Nov 2021 13:47:32 +0000 (+0200)
Subject: Don't assume vertex arrays start from the beginning of the buffer
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=e530cd8edb12a8be87c59dbfa1e7e15c8198f3a3;p=libs%2Fgl.git

Don't assume vertex arrays start from the beginning of the buffer
---

diff --git a/source/backends/opengl/vertexsetup_backend.cpp b/source/backends/opengl/vertexsetup_backend.cpp
index d45481f9..f3243107 100644
--- a/source/backends/opengl/vertexsetup_backend.cpp
+++ b/source/backends/opengl/vertexsetup_backend.cpp
@@ -83,7 +83,7 @@ void OpenGLVertexSetup::update_vertex_array(const VertexArray &array, unsigned b
 		glVertexArrayBindingDivisor(id, binding, divisor);
 	}
 
-	unsigned offset = 0;
+	unsigned offset = array.get_offset();
 	for(VertexAttribute a: fmt)
 	{
 		unsigned sem = get_attribute_semantic(a);