mirror/OpenSpace
1
0
Fork 0
mirror of https://github.com/OpenSpace/OpenSpace.git synced 2026-05-02 00:44:43 -05:00
Code Issues Packages Projects Releases Wiki Activity

Super-fast volume (aka Downscaled Volume Rendering).

Browse Source
This commit is contained in:
Jonathas Costa
2019-11-10 14:17:23 -05:00
parent b591af3c2a
commit 0fce6a8d26
10 changed files with 310 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
modules/galaxy/rendering/renderablegalaxy.cpp
+14
View File
@@ -224,6 +224,18 @@ namespace openspace {
LERROR("No volume dimensions specified.");
}
if (volumeDictionary.hasKey("Steps")) {
_rayCastSteps = static_cast<int>(volumeDictionary.value<float>("Steps"));
}
else {
LINFO("Number of raycasting steps not specified for Milkway Galaxy."
" Using default value.");
}
if (volumeDictionary.hasKey("Downscale")) {
_downScaleVolumeRendering = volumeDictionary.value<float>("Downscale");
}
if (!dictionary.hasKeyAndValue<ghoul::Dictionary>("Points")) {
LERROR("No points dictionary specified.");
}
@@ -470,6 +482,8 @@ void RenderableGalaxy::update(const UpdateData& data) {
volumeTransform[3] += translation;
_pointTransform[3] += translation;
_raycaster->setDownscaleRender(_downScaleVolumeRendering);
_raycaster->setMaxSteps(_rayCastSteps);
_raycaster->setStepSize(_stepSize);
_raycaster->setAspect(_aspect);
_raycaster->setModelTransform(volumeTransform);
modules/galaxy/rendering/renderablegalaxy.h
+2
View File
@@ -79,6 +79,8 @@ private:
glm::ivec3 _volumeDimensions;
std::string _pointsFilename;
std::string _pointSpreadFunctionTexturePath;
int _rayCastSteps = 1000;
float _downScaleVolumeRendering = 1.f;
std::unique_ptr<GalaxyRaycaster> _raycaster;
std::unique_ptr<volume::RawVolume<glm::tvec4<GLubyte>>> _volume;