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228 lines
10 KiB
C++
228 lines
10 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2016 *
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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/tile/tileIndex.h>
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#include <modules/globebrowsing/tile/chunktile.h>
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#include <modules/globebrowsing/tile/tileselector.h>
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#include <modules/globebrowsing/tile/tileprovider/tileprovider.h>
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#include <modules/globebrowsing/rendering/gpulayermanager.h>
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#include <modules/globebrowsing/rendering/layermanager.h>
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#include <ghoul/misc/dictionary.h>
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#include <ghoul/misc/assert.h>
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#include <ghoul/opengl/texture.h>
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#include <ghoul/opengl/textureunit.h>
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#include <ghoul/opengl/programobject.h>
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#include <string>
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#include <memory>
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namespace {
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const std::string _loggerCat = "GPULayerManager";
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}
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namespace openspace {
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namespace globebrowsing {
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// TileUvTransform
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void GPUTileUvTransform::setValue(ProgramObject* programObject, const TileUvTransform& tileUvTransform){
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gpuUvOffset.setValue(programObject, tileUvTransform.uvOffset);
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gpuUvScale.setValue(programObject, tileUvTransform.uvScale);
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}
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void GPUTileUvTransform::updateUniformLocations(ProgramObject* programObject, const std::string& nameBase){
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gpuUvOffset.updateUniformLocations(programObject, nameBase + "uvOffset");
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gpuUvScale.updateUniformLocations(programObject, nameBase + "uvScale");
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}
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// TileDepthTransform
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void GPUTileDepthTransform::setValue(ProgramObject* programObject, const TileDepthTransform& depthTransform){
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gpuDepthOffset.setValue(programObject, depthTransform.depthOffset);
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gpuDepthScale.setValue(programObject, depthTransform.depthScale);
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}
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void GPUTileDepthTransform::updateUniformLocations(ProgramObject* programObject, const std::string& nameBase){
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gpuDepthOffset.updateUniformLocations(programObject, nameBase + "depthOffset");
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gpuDepthScale.updateUniformLocations(programObject, nameBase + "depthScale");
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}
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// ChunkTile
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void GPUChunkTile::setValue(ProgramObject* programObject, const ChunkTile& chunkTile){
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gpuTexture.setValue(programObject, chunkTile.tile.texture);
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gpuTileUvTransform.setValue(programObject, chunkTile.uvTransform);
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}
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void GPUChunkTile::updateUniformLocations(ProgramObject* programObject, const std::string& nameBase){
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gpuTexture.updateUniformLocations(programObject, nameBase + "textureSampler");
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gpuTileUvTransform.updateUniformLocations(programObject, nameBase + "uvTransform.");
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}
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void GPUChunkTile::deactivate(){
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gpuTexture.deactivate();
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}
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// ChunkTilePile
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void GPUChunkTilePile::setValue(ProgramObject* programObject, const ChunkTilePile& chunkTilePile){
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ghoul_assert(gpuChunkTiles.size() == chunkTilePile.chunkTiles.size(), "GPU and CPU ChunkTilePile must have same size!");
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for (size_t i = 0; i < gpuChunkTiles.size(); ++i){
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gpuChunkTiles[i].setValue(programObject, chunkTilePile.chunkTiles[i]);
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}
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}
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void GPUChunkTilePile::updateUniformLocations(ProgramObject* programObject, const std::string& nameBase, int pileSize){
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gpuChunkTiles.resize(pileSize);
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for (size_t i = 0; i < gpuChunkTiles.size(); ++i){
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std::string nameExtension = "chunkTile" + std::to_string(i) + ".";
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gpuChunkTiles[i].updateUniformLocations(programObject, nameBase + nameExtension);
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}
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}
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void GPUChunkTilePile::deactivate(){
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for (auto& gpuChunkTile : gpuChunkTiles){
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gpuChunkTile.deactivate();
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}
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}
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void GPULayerRenderSettings::setValue(ProgramObject* programObject, const LayerRenderSettings& layerSettings){
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gpuOpacity.setValue(programObject, layerSettings.opacity.value());
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gpuGamma.setValue(programObject, layerSettings.gamma.value());
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gpuMultiplier.setValue(programObject, layerSettings.multiplier.value());
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}
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void GPULayerRenderSettings::updateUniformLocations(ProgramObject* programObject, const std::string& nameBase){
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gpuOpacity.updateUniformLocations(programObject, nameBase + "opacity");
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gpuGamma.updateUniformLocations(programObject, nameBase + "gamma");
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gpuMultiplier.updateUniformLocations(programObject, nameBase + "multiplier");
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}
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// Layer
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void GPULayer::setValue(ProgramObject* programObject, const Layer& layer, const TileIndex& tileIndex, int pileSize){
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ChunkTilePile chunkTilePile = layer.getChunkTilePile(tileIndex, pileSize);
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gpuChunkTilePile.setValue(programObject, chunkTilePile);
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gpuRenderSettings.setValue(programObject, layer.renderSettings());
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}
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void GPULayer::updateUniformLocations(ProgramObject* programObject, const Layer& layer, const std::string& nameBase, int pileSize){
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gpuChunkTilePile.updateUniformLocations(programObject, nameBase + "pile.", pileSize);
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gpuRenderSettings.updateUniformLocations(programObject, nameBase + "settings.");
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}
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void GPULayer::deactivate(){
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gpuChunkTilePile.deactivate();
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}
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// Override behavior for HeightLayer
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void GPUHeightLayer::setValue(ProgramObject* programObject, const Layer& layer, const TileIndex& tileIndex, int pileSize){
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GPULayer::setValue(programObject, layer, tileIndex, pileSize);
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gpuDepthTransform.setValue(programObject, layer.tileProvider()->depthTransform());
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}
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void GPUHeightLayer::updateUniformLocations(ProgramObject* programObject, const Layer& layer, const std::string& nameBase, int pileSize){
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GPULayer::updateUniformLocations(programObject, layer, nameBase, pileSize);
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gpuDepthTransform.updateUniformLocations(programObject, nameBase + "depthTransform.");
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}
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// LayerGroup
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void GPULayerGroup::setValue(ProgramObject* programObject, const LayerGroup& layerGroup, const TileIndex& tileIndex){
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auto& activeLayers = layerGroup.activeLayers();
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ghoul_assert(activeLayers.size() == gpuActiveLayers.size(), "GPU and CPU active layers must have same size!");
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for (int i = 0; i < activeLayers.size(); ++i){
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gpuActiveLayers[i]->setValue(programObject, *activeLayers[i], tileIndex, layerGroup.pileSize());
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}
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}
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void GPULayerGroup::updateUniformLocations(ProgramObject* programObject, const LayerGroup& layerGroup, const std::string& nameBase, int category){
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auto activeLayers = layerGroup.activeLayers();
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gpuActiveLayers.resize(activeLayers.size());
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int pileSize = layerGroup.pileSize();
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for (size_t i = 0; i < gpuActiveLayers.size(); ++i){
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// should maybe a proper GPULayer factory
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gpuActiveLayers[i] = category == LayerManager::HeightLayers ?
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std::make_unique<GPUHeightLayer>() :
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std::make_unique<GPULayer>();
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std::string nameExtension = "[" + std::to_string(i) + "].";
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gpuActiveLayers[i]->updateUniformLocations(programObject, *activeLayers[i], nameBase + nameExtension, pileSize);
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}
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}
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void GPULayerGroup::deactivate(){
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for (size_t i = 0; i < gpuActiveLayers.size(); ++i){
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gpuActiveLayers[i]->deactivate();
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}
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}
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// LayerManager
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void GPULayerManager::setValue(ProgramObject* programObject, const LayerManager& layerManager, const TileIndex& tileIndex){
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auto layerGroups = layerManager.layerGroups();
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for (size_t i = 0; i < layerGroups.size(); ++i){
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gpuLayerGroups[i]->setValue(programObject, *layerGroups[i], tileIndex);
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}
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}
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void GPULayerManager::updateUniformLocations(ProgramObject* programObject, const LayerManager& layerManager){
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auto layerGroups = layerManager.layerGroups();
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if(gpuLayerGroups.size() != layerGroups.size()){
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gpuLayerGroups.resize(layerGroups.size());
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for(auto& gpuLayerGroup : gpuLayerGroups){
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gpuLayerGroup = std::make_unique<GPULayerGroup>();
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}
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}
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for (size_t i = 0; i < layerGroups.size(); ++i){
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std::string nameBase = LayerManager::LAYER_GROUP_NAMES[i];
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gpuLayerGroups[i]->updateUniformLocations(programObject, *layerGroups[i], nameBase, i);
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}
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}
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void GPULayerManager::deactivate(){
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for (size_t i = 0; i < gpuLayerGroups.size(); ++i){
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gpuLayerGroups[i]->deactivate();
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}
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}
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} // namespace globebrowsing
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} // namespace openspace
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