Relax texture filtering precision requirements in ES2 tests

Bug: 20818451
Change-Id: Ia81d90020ad0403ce3a60ec7799a415f1d458cc6

diff --git a/modules/gles2/functional/es2fTextureFilteringTests.cpp b/modules/gles2/functional/es2fTextureFilteringTests.cpp
index 1e9d5c4..97cd28d 100644 (file)
--- a/modules/gles2/functional/es2fTextureFilteringTests.cpp
+++ b/modules/gles2/functional/es2fTextureFilteringTests.cpp
@@ -301,11 +301,11 @@ Texture2DFilteringCase::IterateResult Texture2DFilteringCase::iterate (void)
                tcu::LodPrecision               lodPrecision;
                tcu::LookupPrecision    lookupPrecision;
 
-               lodPrecision.derivateBits               = 8;
-               lodPrecision.lodBits                    = 6;
+               lodPrecision.derivateBits               = 7;
+               lodPrecision.lodBits                    = 4;
                lookupPrecision.colorThreshold  = tcu::computeFixedPointThreshold(colorBits) / refParams.colorScale;
-               lookupPrecision.coordBits               = tcu::IVec3(20,20,0);
-               lookupPrecision.uvwBits                 = tcu::IVec3(7,7,0);
+               lookupPrecision.coordBits               = tcu::IVec3(9,9,0); // mediump interpolation
+               lookupPrecision.uvwBits                 = tcu::IVec3(5,5,0);
                lookupPrecision.colorMask               = getCompareMask(pixelFormat);
 
                const bool isOk = verifyTextureResult(m_testCtx, rendered.getAccess(), curCase.texture->getRefTexture(),
@@ -590,8 +590,8 @@ TextureCubeFilteringCase::IterateResult TextureCubeFilteringCase::iterate (void)
                        lodPrecision.derivateBits               = 5;
                        lodPrecision.lodBits                    = 3;
                        lookupPrecision.colorThreshold  = tcu::computeFixedPointThreshold(colorBits) / sampleParams.colorScale;
-                       lookupPrecision.coordBits               = tcu::IVec3(10,10,10);
-                       lookupPrecision.uvwBits                 = tcu::IVec3(6,6,0);
+                       lookupPrecision.coordBits               = tcu::IVec3(9,9,9); // mediump interpolation
+                       lookupPrecision.uvwBits                 = tcu::IVec3(5,5,0);
                        lookupPrecision.colorMask               = getCompareMask(pixelFormat);
 
                        const bool isOk = verifyTextureResult(m_testCtx, result.getAccess(), curCase.texture->getRefTexture(),