Load a ktx texture in OpenGL with libktx

TextureDraw.cpp

MYAPI void LoadKtxTexture(const char* fileName, int* width, int* height)
{
	ktxTexture* kTexture;
	GLenum target, glerror;

	ktxTexture_CreateFromNamedFile(fileName, KTX_TEXTURE_CREATE_NO_FLAGS, &kTexture);

	*width = kTexture->baseWidth;
	*height = kTexture->baseHeight;

	glGenTextures(1, &texDrawData.activeTextureId);

	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);

	ktxTexture_GLUpload(kTexture, &texDrawData.activeTextureId, &target, &glerror);
	ktxTexture_Destroy(kTexture);
}