Increase threshold in ES2 frag op and buffer tests am: ce69f90677
am: eecffcfa8a

* commit 'eecffcfa8a55cd52895727f16f7487e749e9a3a8':
  Increase threshold in ES2 frag op and buffer tests
diff --git a/modules/gles2/functional/es2fBufferTestUtil.cpp b/modules/gles2/functional/es2fBufferTestUtil.cpp
index 59360d3..2bf7567 100644
--- a/modules/gles2/functional/es2fBufferTestUtil.cpp
+++ b/modules/gles2/functional/es2fBufferTestUtil.cpp
@@ -414,7 +414,7 @@
 	int							maxQuadsPerBatch	= maxQuadsX*maxQuadsY;
 	int							numVerified			= 0;
 	deUint32					program				= m_program->getProgram();
-	tcu::RGBA					threshold			= renderTarget.getPixelFormat().getColorThreshold() + tcu::RGBA(3,3,3,3);
+	tcu::RGBA					threshold			= renderTarget.getPixelFormat().getColorThreshold() + tcu::RGBA(4,4,4,4);
 	bool						isOk				= true;
 
 	vector<tcu::Vec2>			positions;
diff --git a/modules/gles2/functional/es2fRandomFragmentOpTests.cpp b/modules/gles2/functional/es2fRandomFragmentOpTests.cpp
index 847cf37..3f8b707 100644
--- a/modules/gles2/functional/es2fRandomFragmentOpTests.cpp
+++ b/modules/gles2/functional/es2fRandomFragmentOpTests.cpp
@@ -417,7 +417,7 @@
 	tcu::PixelFormat format = m_context.getRenderTarget().getPixelFormat();
 
 	if (format == tcu::PixelFormat(8, 8, 8, 8) || format == tcu::PixelFormat(8, 8, 8, 0))
-		return format.getColorThreshold().toIVec().asUint() + tcu::UVec4(2); // Default threshold.
+		return format.getColorThreshold().toIVec().asUint() + tcu::UVec4(6); // Default threshold.
 	else
 		return format.getColorThreshold().toIVec().asUint()
 			   * tcu::UVec4(5) + tcu::UVec4(2); // \note Non-scientific ad hoc formula. Need big threshold when few color bits; especially multiple blendings bring extra inaccuracy.