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https://github.com/OpenSpace/OpenSpace.git
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88 lines
3.9 KiB
C++
88 lines
3.9 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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#include <modules/globebrowsing/cache/texturecontainer.h>
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#include <modules/globebrowsing/tile/tiletextureinitdata.h>
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namespace openspace::globebrowsing::cache {
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TextureContainer::TextureContainer(TileTextureInitData initData, size_t numTextures)
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: _initData(initData)
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, _freeTexture(0)
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, _numTextures(numTextures)
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{
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reset();
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}
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void TextureContainer::reset() {
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_textures.clear();
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_freeTexture = 0;
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ghoul::opengl::Texture::AllocateData allocate =
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_initData.shouldAllocateDataOnCPU() ?
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ghoul::opengl::Texture::AllocateData::Yes :
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ghoul::opengl::Texture::AllocateData::No;
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for (size_t i = 0; i < _numTextures; ++i)
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{
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auto tex = std::make_unique<ghoul::opengl::Texture>(
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_initData.dimensionsWithPadding(),
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_initData.ghoulTextureFormat(),
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_initData.glTextureFormat(),
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_initData.glType(),
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ghoul::opengl::Texture::FilterMode::Linear,
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ghoul::opengl::Texture::WrappingMode::ClampToEdge,
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allocate
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);
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tex->setDataOwnership(ghoul::opengl::Texture::TakeOwnership::Yes);
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tex->uploadTexture();
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tex->setFilter(ghoul::opengl::Texture::FilterMode::AnisotropicMipMap);
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_textures.push_back(std::move(tex));
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}
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}
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void TextureContainer::reset(size_t numTextures) {
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_numTextures = numTextures;
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reset();
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}
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ghoul::opengl::Texture* TextureContainer::getTextureIfFree() {
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ghoul::opengl::Texture* texture = nullptr;
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if (_freeTexture < _textures.size()) {
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texture = _textures[_freeTexture].get();
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_freeTexture++;
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}
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return texture;
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}
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const openspace::globebrowsing::TileTextureInitData& TextureContainer::tileTextureInitData() const {
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return _initData;
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};
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size_t TextureContainer::size() const {
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return _textures.size();
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};
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} // namespace openspace::globebrowsing::cache
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