faecb78a6b
* Add explicit keyword to conversion constructors. * Add NOLINT to implicit conversion constructors. Bug: 28341362 Test: build with clang-tidy Change-Id: Ie4d37072ab57d1662d18db4de1c8577247f43337
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
/*
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* Copyright (C) 2012 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_HWUI_DITHER_H
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#define ANDROID_HWUI_DITHER_H
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#include <GLES3/gl3.h>
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namespace android {
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namespace uirenderer {
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class Caches;
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class Extensions;
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class Program;
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// Must be a power of two
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#define DITHER_KERNEL_SIZE 4
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// These must not use the .0f notation as they are used from GLSL
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#define DITHER_KERNEL_SIZE_INV (1.0 / 4.0)
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#define DITHER_KERNEL_SIZE_INV_SQUARE (1.0 / 16.0)
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/**
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* Handles dithering for programs.
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*/
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class Dither {
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public:
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explicit Dither(Caches& caches);
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void clear();
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void setupProgram(Program& program, GLuint* textureUnit);
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private:
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void bindDitherTexture();
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Caches& mCaches;
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bool mInitialized;
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GLuint mDitherTexture;
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};
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_DITHER_H
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