From 5912467f062285c5b178f6752a30c7ef1b73d6ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Fri, 1 Mar 2019 23:11:36 +0100
Subject: [PATCH] GL: follow ES restrictions in multi-attachment framebuffer
 tests.

---
 src/Magnum/GL/Test/FramebufferGLTest.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/Magnum/GL/Test/FramebufferGLTest.cpp b/src/Magnum/GL/Test/FramebufferGLTest.cpp
index 6b6f3ddd6..c8bdb2761 100644
--- a/src/Magnum/GL/Test/FramebufferGLTest.cpp
+++ b/src/Magnum/GL/Test/FramebufferGLTest.cpp
@@ -1051,12 +1051,15 @@ void FramebufferGLTest::multipleColorOutputs() {
     Renderbuffer depth;
     depth.setStorage(RenderbufferFormat::DepthComponent16, Vector2i(128));
 
+    /* According to EXT_draw_buffers, the <i>th value in <bufs> has to be
+       either COLOR_ATTACHMENT<i>_EXT or NONE, so watch out -- list them in
+       order. */
     Framebuffer framebuffer({{}, Vector2i(128)});
-    framebuffer.attachTexture(Framebuffer::ColorAttachment(0), color1, 0)
-               .attachTexture(Framebuffer::ColorAttachment(1), color2, 0)
+    framebuffer.attachTexture(Framebuffer::ColorAttachment(0), color2, 0)
+               .attachTexture(Framebuffer::ColorAttachment(1), color1, 0)
                .attachRenderbuffer(Framebuffer::BufferAttachment::Depth, depth)
-               .mapForDraw({{0, Framebuffer::ColorAttachment(1)},
-                            {1, Framebuffer::ColorAttachment(0)},
+               .mapForDraw({{0, Framebuffer::ColorAttachment(0)},
+                            {1, Framebuffer::ColorAttachment(1)},
                             {2, Framebuffer::DrawAttachment::None}});
 
     #if !(defined(MAGNUM_TARGET_GLES2) && defined(MAGNUM_TARGET_WEBGL))