libs/renderengine/gl/GLShadowTexture.h

/*
 * Copyright 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <renderengine/Texture.h>
#include <cstdint>

namespace android {
namespace renderengine {
namespace gl {

class GLShadowTexture {
public:
    GLShadowTexture();
    ~GLShadowTexture();

    const Texture& getTexture();

private:
    static constexpr int SHADOW_TEXTURE_WIDTH = 128;
    static constexpr int SHADOW_TEXTURE_HEIGHT = 1;

    GLuint mName;
    Texture mTexture;
    uint8_t mTextureData[SHADOW_TEXTURE_WIDTH];
};

} // namespace gl
} // namespace renderengine
} // namespace android