From c9a573370a976df3675d4bd3195a49c854ab7db9 Mon Sep 17 00:00:00 2001
From: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Date: Sun, 14 Oct 2012 00:10:50 +0200
Subject: [PATCH] Add a hack so that RGBA pixels are flipped properly in unit
 tests.

---
 test_util.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test_util.cpp b/test_util.cpp
index 36c7d7c..cb9263b 100644
--- a/test_util.cpp
+++ b/test_util.cpp
@@ -67,6 +67,10 @@ void EffectChainTester::run(float *out_data, GLenum format, ColorSpace color_spa
 	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 	glReadPixels(0, 0, width, height, format, GL_FLOAT, out_data);
 
+	if (format == GL_RGBA) {
+		width *= 4;
+	}
+
 	// Flip upside-down to compensate for different origin.
 	for (unsigned y = 0; y < height / 2; ++y) {
 		unsigned flip_y = height - y - 1;
-- 
2.39.2