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94 lines
4.1 KiB
C++
94 lines
4.1 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2017 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#ifndef __OPENSPACE_MODULE_GLOBEBROWSING___TILE_TEXTURE_INIT_DATA___H__
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#define __OPENSPACE_MODULE_GLOBEBROWSING___TILE_TEXTURE_INIT_DATA___H__
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#include <ghoul/glm.h>
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#include <ghoul/opengl/ghoul_gl.h>
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#include <ghoul/opengl/texture.h>
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#include <string>
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namespace openspace::globebrowsing {
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/**
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* All information needed to create a texture used for a Tile.
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*/
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class TileTextureInitData {
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public:
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using HashKey = unsigned long long;
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using ShouldAllocateDataOnCPU = ghoul::Boolean;
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using Format = ghoul::opengl::Texture::Format;
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TileTextureInitData(size_t width, size_t height, GLenum glType, Format textureFormat,
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bool padTiles,
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ShouldAllocateDataOnCPU shouldAllocateDataOnCPU = ShouldAllocateDataOnCPU::No);
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TileTextureInitData(const TileTextureInitData& original);
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~TileTextureInitData() = default;
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glm::ivec3 dimensions() const;
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glm::ivec2 tilePixelStartOffset() const;
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glm::ivec2 tilePixelSizeDifference() const;
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size_t nRasters() const;
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size_t bytesPerDatum() const;
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size_t bytesPerPixel() const;
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size_t bytesPerLine() const;
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size_t totalNumBytes() const;
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GLenum glType() const;
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Format ghoulTextureFormat() const;
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GLenum glTextureFormat() const;
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bool shouldAllocateDataOnCPU() const;
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HashKey hashKey() const;
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const static glm::ivec2 TilePixelStartOffset;
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const static glm::ivec2 TilePixelSizeDifference;
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private:
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void calculateHashKey();
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unsigned int getUniqueIdFromTextureFormat(Format textureFormat) const;
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HashKey _hashKey;
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glm::ivec3 _dimensions;
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glm::ivec2 _tilePixelStartOffset;
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glm::ivec2 _tilePixelSizeDifference;
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GLenum _glType;
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Format _ghoulTextureFormat;
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GLenum _glTextureFormat;
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size_t _nRasters;
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size_t _bytesPerDatum;
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size_t _bytesPerPixel;
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size_t _bytesPerLine;
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size_t _totalNumBytes;
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bool _shouldAllocateDataOnCPU;
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bool _padTiles;
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};
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} // namespace openspace::globebrowsing
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#endif // __OPENSPACE_MODULE_GLOBEBROWSING___TILE_TEXTURE_INIT_DATA___H__
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