4bb942083a
This change detects empty quads in 9patches and removes them from the mesh to avoid unnecessary blending. Change-Id: I4500566fb4cb6845d64dcb59b522c0be7a0ec704
41 lines
1020 B
C
41 lines
1020 B
C
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_UI_COMPARE_H
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#define ANDROID_UI_COMPARE_H
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#include <cmath>
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#define EPSILON 0.00001f
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#define almost(u, v) (fabs((u) - (v)) < EPSILON)
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/**
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* Compare floats.
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*/
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#define compare(a) \
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if (a < rhs.a) return true; \
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if (almost(a, rhs.a))
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/**
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* Compare integers.
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*/
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#define compareI(a) \
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if (a < rhs.a) return true; \
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if (a == rhs.a)
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#endif // ANDROID_UI_COMPARE_H
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