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OpenSpace/modules/globebrowsing/src/tiletextureinitdata.h
2022-07-27 15:57:21 +02:00

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/*****************************************************************************************
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* OpenSpace *
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* Copyright (c) 2014-2022 *
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#ifndef __OPENSPACE_MODULE_GLOBEBROWSING___TILE_TEXTURE_INIT_DATA___H__
#define __OPENSPACE_MODULE_GLOBEBROWSING___TILE_TEXTURE_INIT_DATA___H__
#include <modules/globebrowsing/src/layergroupid.h>
#include <ghoul/glm.h>
#include <ghoul/misc/boolean.h>
#include <ghoul/opengl/ghoul_gl.h>
#include <ghoul/opengl/texture.h>
namespace openspace::globebrowsing {
/// All information needed to create a texture used for a Tile.
class TileTextureInitData {
public:
using HashKey = uint64_t;
BooleanType(ShouldAllocateDataOnCPU);
BooleanType(PadTiles);
TileTextureInitData(size_t width, size_t height, GLenum type,
ghoul::opengl::Texture::Format textureFormat, PadTiles pad,
ShouldAllocateDataOnCPU allocCpu = ShouldAllocateDataOnCPU::No);
TileTextureInitData(const TileTextureInitData& original) = default;
TileTextureInitData(TileTextureInitData&& original) = default;
TileTextureInitData operator=(const TileTextureInitData& rhs);
TileTextureInitData operator=(TileTextureInitData&& rhs) noexcept;
~TileTextureInitData() = default;
const glm::ivec3 dimensions;
const glm::ivec2 tilePixelStartOffset;
const glm::ivec2 tilePixelSizeDifference;
const GLenum glType;
const ghoul::opengl::Texture::Format ghoulTextureFormat;
const size_t nRasters;
const size_t bytesPerDatum;
const size_t bytesPerPixel;
const size_t bytesPerLine;
const size_t totalNumBytes;
const bool shouldAllocateDataOnCPU;
const bool padTiles;
const HashKey hashKey;
};
TileTextureInitData tileTextureInitData(layers::Group::ID id, bool shouldPadTiles,
size_t preferredTileSize = 0);
} // namespace openspace::globebrowsing
#endif // __OPENSPACE_MODULE_GLOBEBROWSING___TILE_TEXTURE_INIT_DATA___H__