From: Boris Zanin <boris.zanin@mobica.com>
Date: Thu, 11 Apr 2019 08:07:12 +0000 (+0200)
Subject: Add float 16 calculation into FMA tests
X-Git-Tag: upstream/1.3.5~2002^2~4^2~2^2~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5d93451b02e69dd1a09dd49ce805efc01a2a0ee7;p=platform%2Fupstream%2FVK-GL-CTS.git

Add float 16 calculation into FMA tests

Add one more calculation flavor into calculation
Float16 FMA tests.

Updates:
 * dEQP-VK.spirv_assembly.instruction.compute.float16.arithmetic*.fma
 * dEQP-VK.spirv_assembly.instruction.graphics.float16.arithmetic*.fma*

Components: Vulkan

VK-GL-CTS issue: 1730

Change-Id: Ic3c378a75d23afcafb0f6ce7052351d70d4d30bc
(cherry picked from commit 67a010acd731667bcf067652d11ba494f0afff95)
---

diff --git a/external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmInstructionTests.cpp b/external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmInstructionTests.cpp
index a0a6799..0aa6021 100644
--- a/external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmInstructionTests.cpp
+++ b/external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmInstructionTests.cpp
@@ -13429,6 +13429,12 @@ struct fp16SmoothStep : public fp16PerComponent
 
 struct fp16Fma : public fp16PerComponent
 {
+	fp16Fma()
+	{
+		flavorNames.push_back("DoubleCalc");
+		flavorNames.push_back("EmulatingFP16");
+	}
+
 	virtual double getULPs(vector<const deFloat16*>& in)
 	{
 		DE_UNREF(in);
@@ -13448,10 +13454,30 @@ struct fp16Fma : public fp16PerComponent
 		const fp16type	a		(*in[0]);
 		const fp16type	b		(*in[1]);
 		const fp16type	c		(*in[2]);
-		const double	ad		(a.asDouble());
-		const double	bd		(b.asDouble());
-		const double	cd		(c.asDouble());
-		const double	result	(deMadd(ad, bd, cd));
+		double			result	(0.0);
+
+		if (getFlavor() == 0)
+		{
+			const double	ad	(a.asDouble());
+			const double	bd	(b.asDouble());
+			const double	cd	(c.asDouble());
+
+			result	= deMadd(ad, bd, cd);
+		}
+		else if (getFlavor() == 1)
+		{
+			const double	ad	(a.asDouble());
+			const double	bd	(b.asDouble());
+			const double	cd	(c.asDouble());
+			const fp16type	ab	(ad * bd);
+			const fp16type	r	(ab.asDouble() + cd);
+
+			result	= r.asDouble();
+		}
+		else
+		{
+			TCU_THROW(InternalError, "Unknown flavor");
+		}
 
 		out[0] = fp16type(result).bits();
 		min[0] = getMin(result, getULPs(in));