rpcs3/rpcs3/Emu/RSX/Common/TextureUtils.h

#pragma once
#include "../RSXTexture.h"
#include <vector>

struct MipmapLevelInfo
{
	size_t offset;
	size_t width;
	size_t height;
	size_t rowPitch;
};

/**
* Get size to store texture in a linear fashion.
* Storage is assumed to use a rowPitchAlignement boundary for every row of texture.
*/
size_t get_placed_texture_storage_size(const rsx::texture &texture, size_t rowPitchAlignement) noexcept;

/**
* Write texture data to textureData.
* Data are not packed, they are stored per rows using rowPitchAlignement.
* Similarly, offset for every mipmaplevel is aligned to rowPitchAlignement boundary.
*/
std::vector<MipmapLevelInfo> upload_placed_texture(const rsx::texture &texture, size_t rowPitchAlignement, void* textureData) noexcept;

/**
* Get number of bytes occupied by texture in RSX mem
*/
size_t get_texture_size(const rsx::texture &texture) noexcept;