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OpenSpace/modules/globebrowsing/tile/tiletextureinitdata.h
Kalle Bladin 3adf037073 Clean up
2017-08-08 17:23:19 +02:00

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4.1 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2017 *
* *
* 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 __OPENSPACE_MODULE_GLOBEBROWSING___TILE_TEXTURE_INIT_DATA___H__
#define __OPENSPACE_MODULE_GLOBEBROWSING___TILE_TEXTURE_INIT_DATA___H__
#include <ghoul/glm.h>
#include <ghoul/opengl/ghoul_gl.h>
#include <ghoul/opengl/texture.h>
#include <string>
namespace openspace::globebrowsing {
/**
* All information needed to create a texture used for a Tile.
*/
class TileTextureInitData {
public:
using HashKey = unsigned long long;
using ShouldAllocateDataOnCPU = ghoul::Boolean;
using Format = ghoul::opengl::Texture::Format;
TileTextureInitData(size_t width, size_t height, GLenum glType, Format textureFormat,
bool padTiles,
ShouldAllocateDataOnCPU shouldAllocateDataOnCPU = ShouldAllocateDataOnCPU::No);
TileTextureInitData(const TileTextureInitData& original);
~TileTextureInitData() = default;
glm::ivec3 dimensions() const;
glm::ivec2 tilePixelStartOffset() const;
glm::ivec2 tilePixelSizeDifference() const;
size_t nRasters() const;
size_t bytesPerDatum() const;
size_t bytesPerPixel() const;
size_t bytesPerLine() const;
size_t totalNumBytes() const;
GLenum glType() const;
Format ghoulTextureFormat() const;
GLenum glTextureFormat() const;
bool shouldAllocateDataOnCPU() const;
HashKey hashKey() const;
const static glm::ivec2 TilePixelStartOffset;
const static glm::ivec2 TilePixelSizeDifference;
private:
void calculateHashKey();
unsigned int getUniqueIdFromTextureFormat(Format textureFormat) const;
HashKey _hashKey;
glm::ivec3 _dimensions;
glm::ivec2 _tilePixelStartOffset;
glm::ivec2 _tilePixelSizeDifference;
GLenum _glType;
Format _ghoulTextureFormat;
GLenum _glTextureFormat;
size_t _nRasters;
size_t _bytesPerDatum;
size_t _bytesPerPixel;
size_t _bytesPerLine;
size_t _totalNumBytes;
bool _shouldAllocateDataOnCPU;
bool _padTiles;
};
} // namespace openspace::globebrowsing
#endif // __OPENSPACE_MODULE_GLOBEBROWSING___TILE_TEXTURE_INIT_DATA___H__