Texture.h

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/* Copyright (c) 2012-2017, ARM Limited and Contributors
 *
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge,
 * to any person obtaining a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef TEXTURE_H
#define TEXTURE_H

#include "ETCHeader.h"

#if GLES_VERSION == 2
#include <GLES2/gl2.h>
#elif GLES_VERSION == 3
#include <GLES3/gl3.h>
#else 
#error "GLES_VERSION must be defined as either 2 or 3"
#endif

namespace MaliSDK
{
    class Texture
    {
    private:
        static void getCompressedTextureFormats(GLint **textureFormats, int* numberOfTextureFormats);
    public:
        static bool isETCSupported(bool verbose = false);

        static void createTexture(unsigned int width, unsigned int height, GLvoid **textureData);

        static void createTexture(unsigned int width, unsigned int height, unsigned int red, GLvoid **textureData);

        static void createTexture(unsigned int width, unsigned int height, short red, short **textureData);

        static void deleteTextureData(GLvoid **textureData);

        static void loadData(const char *filename, unsigned char **textureData);

        static void loadPKMData(const char *filename, ETCHeader* etcHeader, unsigned char **textureData);

        static void loadCompressedMipmaps(const char *filenameBase, const char *filenameSuffix, GLuint *textureID);

        static void reversePixelLine(float* destination, const float* source, int lineWidth);
    };
}
#endif /* TEXTURE_H */