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bb3db7ada7
* Cleanup * CMake cleanups * Update current year * Update copyright header * Use script to return list of all modules * Update credits, license and ghoul
95 lines
4.1 KiB
C++
95 lines
4.1 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2019 *
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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___GPULAYERGROUP___H__
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#define __OPENSPACE_MODULE_GLOBEBROWSING___GPULAYERGROUP___H__
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#include <ghoul/opengl/textureunit.h>
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#include <ghoul/opengl/uniformcache.h>
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#include <memory>
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#include <string>
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#include <vector>
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namespace ghoul::opengl { class ProgramObject; }
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namespace openspace::globebrowsing {
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struct ChunkTile;
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class Layer;
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class GPULayer;
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struct TileDepthTransform;
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struct TileUvTransform;
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struct LayerGroup;
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struct TileIndex;
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/**
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* Manages a GPU representation of a <code>LayerGroup</code>
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*/
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class GPULayerGroup {
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public:
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/**
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* Sets the value of <code>LayerGroup</code> to its corresponding
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* GPU struct. OBS! Users must ensure bind has been
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* called before setting using this method.
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*/
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void setValue(ghoul::opengl::ProgramObject& programObject,
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const LayerGroup& layerGroup, const TileIndex& tileIndex);
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/**
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* Binds this object with GLSL variables with identifiers starting
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* with nameBase within the provided shader program.
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* After this method has been called, users may invoke setValue.
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*/
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void bind(ghoul::opengl::ProgramObject& programObject,
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const LayerGroup& layerGroup, const std::string& nameBase, int category);
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/**
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* Deactivates any <code>TextureUnit</code>s assigned by this object.
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* This method should be called after the OpenGL draw call.
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*/
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void deactivate();
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private:
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struct GPULayer {
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struct GPUChunkTile {
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ghoul::opengl::TextureUnit texUnit;
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UniformCache(texture, uvOffset, uvScale) uniformCache;
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};
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std::vector<GPUChunkTile> gpuChunkTiles;
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UniformCache(opacity, gamma, multiplier, offset, valueBlending, chromaKeyColor,
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chromaKeyTolerance, paddingStartOffset, paddingSizeDifference, color,
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depthOffset, depthScale) uniformCache;
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bool isHeightLayer = false;
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};
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std::vector<GPULayer> _gpuActiveLayers;
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};
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} // namespace openspace::globebrowsing
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#endif // __OPENSPACE_MODULE_GLOBEBROWSING___GPULAYERGROUP___H__
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