From 9de0e49b19aa1aa31d599fb8b3ce78370e86fc77 Mon Sep 17 00:00:00 2001
From: Alex Szpakowski <slime73@gmail.com>
Date: Thu, 22 Jan 2015 02:12:26 -0400
Subject: [PATCH] Optimized canvas performance when ANGLE is used.

--HG--
branch : minor
---
 src/modules/graphics/opengl/Canvas.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/modules/graphics/opengl/Canvas.cpp b/src/modules/graphics/opengl/Canvas.cpp
index 33e1d019e..dfec184a1 100644
--- a/src/modules/graphics/opengl/Canvas.cpp
+++ b/src/modules/graphics/opengl/Canvas.cpp
@@ -562,6 +562,9 @@ bool Canvas::loadVolatile()
 	glGenTextures(1, &texture);
 	gl.bindTexture(texture);
 
+	if (GLAD_ANGLE_texture_usage)
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_USAGE_ANGLE, GL_FRAMEBUFFER_ATTACHMENT_ANGLE);
+
 	setFilter(filter);
 	setWrap(wrap);