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Sphere maintenance (#2800)

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* Split RenderableSphere class into a local and online sphere

* Make the video sphere derive from the regular sphere

* Make RenderableTimeVaryingSphere derive from RenderableSphere

* Some clean up

* Address PR comments
This commit is contained in:
Malin E
2023-08-07 11:47:32 +02:00
committed by GitHub
parent 85100e13be
commit 786c2887da
24 changed files with 604 additions and 887 deletions
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4
modules/base/CMakeLists.txt
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@@ -55,6 +55,8 @@ set(HEADER_FILES
rendering/renderableplanetimevaryingimage.h
rendering/renderableprism.h
rendering/renderablesphere.h
rendering/renderablesphereimagelocal.h
rendering/renderablesphereimageonline.h
rendering/renderabletimevaryingsphere.h
rendering/renderabletrail.h
rendering/renderabletrailorbit.h
@@ -111,6 +113,8 @@ set(SOURCE_FILES
rendering/renderableplanetimevaryingimage.cpp
rendering/renderableprism.cpp
rendering/renderablesphere.cpp
rendering/renderablesphereimagelocal.cpp
rendering/renderablesphereimageonline.cpp
rendering/renderabletimevaryingsphere.cpp
rendering/renderabletrail.cpp
rendering/renderabletrailorbit.cpp

8
modules/base/basemodule.cpp
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@@ -48,7 +48,8 @@
#include <modules/base/rendering/renderablelabel.h>
#include <modules/base/rendering/renderablemodel.h>
#include <modules/base/rendering/renderablenodeline.h>
#include <modules/base/rendering/renderablesphere.h>
#include <modules/base/rendering/renderablesphereimagelocal.h>
#include <modules/base/rendering/renderablesphereimageonline.h>
#include <modules/base/rendering/renderabletrailorbit.h>
#include <modules/base/rendering/renderabletrailtrajectory.h>
#include <modules/base/rendering/renderableplaneimagelocal.h>
@@ -146,7 +147,8 @@ void BaseModule::internalInitialize(const ghoul::Dictionary&) {
"RenderableTimeVaryingSphere"
);
fRenderable->registerClass<RenderableRadialGrid>("RenderableRadialGrid");
fRenderable->registerClass<RenderableSphere>("RenderableSphere");
fRenderable->registerClass<RenderableSphereImageLocal>("RenderableSphereImageLocal");
fRenderable->registerClass<RenderableSphereImageOnline>("RenderableSphereImageOnline");
fRenderable->registerClass<RenderableSphericalGrid>("RenderableSphericalGrid");
fRenderable->registerClass<RenderableTrailOrbit>("RenderableTrailOrbit");
fRenderable->registerClass<RenderableTrailTrajectory>("RenderableTrailTrajectory");
@@ -226,6 +228,8 @@ std::vector<documentation::Documentation> BaseModule::documentations() const {
RenderablePrism::Documentation(),
RenderableRadialGrid::Documentation(),
RenderableSphere::Documentation(),
RenderableSphereImageLocal::Documentation(),
RenderableSphereImageOnline::Documentation(),
RenderableSphericalGrid::Documentation(),
RenderableTimeVaryingSphere::Documentation(),
RenderableTrailOrbit::Documentation(),

181
modules/base/rendering/renderablesphere.cpp
View File

@@ -31,13 +31,12 @@
#include <openspace/rendering/renderengine.h>
#include <openspace/util/sphere.h>
#include <openspace/util/updatestructures.h>
#include <ghoul/glm.h>
#include <ghoul/filesystem/filesystem.h>
#include <ghoul/glm.h>
#include <ghoul/logging/logmanager.h>
#include <ghoul/io/texture/texturereader.h>
#include <ghoul/opengl/texture.h>
#include <ghoul/opengl/textureunit.h>
#include <ghoul/opengl/openglstatecache.h>
#include <ghoul/opengl/programobject.h>
#include <ghoul/opengl/textureunit.h>
#include <optional>
namespace {
@@ -46,29 +45,27 @@ namespace {
"colorTexture", "mirrorTexture"
};
constexpr openspace::properties::Property::PropertyInfo SizeInfo = {
"Size",
"Size (in meters)",
"This value specifies the radius of the sphere in meters",
openspace::properties::Property::Visibility::AdvancedUser
};
constexpr openspace::properties::Property::PropertyInfo SegmentsInfo = {
"Segments",
"Number of Segments",
"This value specifies the number of segments that the sphere is separated in",
// @VISIBILITY(2.67)
openspace::properties::Property::Visibility::AdvancedUser
};
enum class Orientation : int {
Outside = 0,
Inside,
Both
};
constexpr openspace::properties::Property::PropertyInfo TextureInfo = {
"Texture",
"Texture",
"This value specifies an image that is loaded from disk and is used as a texture "
"that is applied to this sphere. This image is expected to be an equirectangular "
"projection",
// @VISIBILITY(2.33)
openspace::properties::Property::Visibility::User
};
constexpr openspace::properties::Property::PropertyInfo MirrorTextureInfo = {
"MirrorTexture",
"Mirror Texture",
"Mirror the texture along the x-axis",
openspace::properties::Property::Visibility::User
};
constexpr openspace::properties::Property::PropertyInfo OrientationInfo = {
"Orientation",
"Orientation",
@@ -77,30 +74,20 @@ namespace {
openspace::properties::Property::Visibility::AdvancedUser
};
constexpr openspace::properties::Property::PropertyInfo SegmentsInfo = {
"Segments",
"Number of Segments",
"This value specifies the number of segments that the sphere is separated in",
// @VISIBILITY(2.67)
constexpr openspace::properties::Property::PropertyInfo MirrorTextureInfo = {
"MirrorTexture",
"Mirror Texture",
"Mirror the texture along the x-axis",
openspace::properties::Property::Visibility::AdvancedUser
};
constexpr openspace::properties::Property::PropertyInfo DisableFadeInOutInfo = {
"DisableFadeInOut",
"Disable Fade-In/Fade-Out effects",
"Enables/Disables the fade in and out effects",
openspace::properties::Property::Visibility::User
};
constexpr openspace::properties::Property::PropertyInfo SizeInfo = {
"Size",
"Size (in meters)",
"This value specifies the radius of the sphere in meters",
openspace::properties::Property::Visibility::AdvancedUser
};
constexpr openspace::properties::Property::PropertyInfo FadeOutThresholdInfo = {
"FadeOutThreshold",
"Fade-Out Threshold",
"This value determines percentage of the sphere that is visible before starting "
"to fade it out. A negative or zero value means no fading out will happen. This "
"is also the default",
openspace::properties::Property::Visibility::AdvancedUser
};
constexpr openspace::properties::Property::PropertyInfo FadeInThresholdInfo = {
"FadeInThreshold",
"Fade-In Threshold",
@@ -111,11 +98,13 @@ namespace {
openspace::properties::Property::Visibility::AdvancedUser
};
constexpr openspace::properties::Property::PropertyInfo DisableFadeInOutInfo = {
"DisableFadeInOut",
"Disable Fade-In/Fade-Out effects",
"Enables/Disables the fade in and out effects",
openspace::properties::Property::Visibility::User
constexpr openspace::properties::Property::PropertyInfo FadeOutThresholdInfo = {
"FadeOutThreshold",
"Fade-Out Threshold",
"This value determines percentage of the sphere that is visible before starting "
"to fade it out. A negative or zero value means no fading out will happen. This "
"is also the default",
openspace::properties::Property::Visibility::AdvancedUser
};
struct [[codegen::Dictionary(RenderableSphere)]] Parameters {
@@ -125,9 +114,6 @@ namespace {
// [[codegen::verbatim(SegmentsInfo.description)]]
int segments;
// [[codegen::verbatim(TextureInfo.description)]]
std::string texture;
enum class [[codegen::map(Orientation)]] Orientation {
Outside,
Inside,
@@ -140,14 +126,14 @@ namespace {
// [[codegen::verbatim(MirrorTextureInfo.description)]]
std::optional<bool> mirrorTexture;
// [[codegen::verbatim(FadeOutThresholdInfo.description)]]
std::optional<float> fadeOutThreshold [[codegen::inrange(0.0, 1.0)]];
// [[codegen::verbatim(DisableFadeInOutInfo.description)]]
std::optional<bool> disableFadeInOut;
// [[codegen::verbatim(FadeInThresholdInfo.description)]]
std::optional<float> fadeInThreshold;
// [[codegen::verbatim(DisableFadeInOutInfo.description)]]
std::optional<bool> disableFadeInOut;
// [[codegen::verbatim(FadeOutThresholdInfo.description)]]
std::optional<float> fadeOutThreshold [[codegen::inrange(0.0, 1.0)]];
};
#include "renderablesphere_codegen.cpp"
} // namespace
@@ -160,10 +146,9 @@ documentation::Documentation RenderableSphere::Documentation() {
RenderableSphere::RenderableSphere(const ghoul::Dictionary& dictionary)
: Renderable(dictionary)
, _texturePath(TextureInfo)
, _orientation(OrientationInfo, properties::OptionProperty::DisplayType::Dropdown)
, _size(SizeInfo, 1.f, 0.f, 1e25f)
, _segments(SegmentsInfo, 8, 4, 1000)
, _orientation(OrientationInfo, properties::OptionProperty::DisplayType::Dropdown)
, _mirrorTexture(MirrorTextureInfo, false)
, _disableFadeInDistance(DisableFadeInOutInfo, false)
, _fadeInThreshold(FadeInThresholdInfo, -1.f, -0.1f, 1.f, 0.001f)
@@ -174,23 +159,6 @@ RenderableSphere::RenderableSphere(const ghoul::Dictionary& dictionary)
addProperty(Fadeable::_opacity);
_size = p.size;
_segments = p.segments;
_texturePath = p.texture;
_orientation.addOptions({
{ static_cast<int>(Orientation::Outside), "Outside" },
{ static_cast<int>(Orientation::Inside), "Inside" },
{ static_cast<int>(Orientation::Both), "Both" }
});
if (p.orientation.has_value()) {
_orientation = static_cast<int>(codegen::map<Orientation>(*p.orientation));
}
else {
_orientation = static_cast<int>(Orientation::Outside);
}
addProperty(_orientation);
_size.setExponent(15.f);
_size.onChange([this]() {
setBoundingSphere(_size);
@@ -198,29 +166,39 @@ RenderableSphere::RenderableSphere(const ghoul::Dictionary& dictionary)
});
addProperty(_size);
_segments = p.segments;
_segments.onChange([this]() {
_sphereIsDirty = true;
});
addProperty(_segments);
_segments.onChange([this]() { _sphereIsDirty = true; });
addProperty(_texturePath);
_texturePath.onChange([this]() { loadTexture(); });
_orientation.addOptions({
{ static_cast<int>(Orientation::Outside), "Outside" },
{ static_cast<int>(Orientation::Inside), "Inside" },
{ static_cast<int>(Orientation::Both), "Both" }
});
_orientation = p.orientation.has_value() ?
static_cast<int>(codegen::map<Orientation>(*p.orientation)):
static_cast<int>(Orientation::Outside);
addProperty(_orientation);
_mirrorTexture = p.mirrorTexture.value_or(_mirrorTexture);
addProperty(_mirrorTexture);
_fadeOutThreshold = p.fadeOutThreshold.value_or(_fadeOutThreshold);
addProperty(_fadeOutThreshold);
_disableFadeInDistance = p.disableFadeInOut.value_or(_disableFadeInDistance);
addProperty(_disableFadeInDistance);
_fadeInThreshold = p.fadeInThreshold.value_or(_fadeInThreshold);
addProperty(_fadeInThreshold);
_disableFadeInDistance = p.disableFadeInOut.value_or(_disableFadeInDistance);
addProperty(_disableFadeInDistance);
_fadeOutThreshold = p.fadeOutThreshold.value_or(_fadeOutThreshold);
addProperty(_fadeOutThreshold);
setBoundingSphere(_size);
}
bool RenderableSphere::isReady() const {
return _shader && _texture;
return _shader != nullptr;
}
void RenderableSphere::initializeGL() {
@@ -239,12 +217,10 @@ void RenderableSphere::initializeGL() {
);
ghoul::opengl::updateUniformLocations(*_shader, _uniformCache, UniformNames);
loadTexture();
}
void RenderableSphere::deinitializeGL() {
_texture = nullptr;
_sphere = nullptr;
BaseModule::ProgramObjectManager.release(
"Sphere",
@@ -252,6 +228,7 @@ void RenderableSphere::deinitializeGL() {
global::renderEngine->removeRenderProgram(p);
}
);
_shader = nullptr;
}
@@ -366,21 +343,21 @@ void RenderableSphere::render(const RenderData& data, RendererTasks&) {
glDisable(GL_CULL_FACE);
}
if (_renderBin == Renderable::RenderBin::PreDeferredTransparent) {
if (renderBin() == Renderable::RenderBin::PreDeferredTransparent) {
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glDepthMask(false);
}
_sphere->render();
if (_renderBin == Renderable::RenderBin::PreDeferredTransparent) {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDepthMask(true);
}
_shader->setIgnoreUniformLocationError(IgnoreError::No);
_shader->deactivate();
// Reset
global::renderEngine->openglStateCache().resetBlendState();
global::renderEngine->openglStateCache().resetDepthState();
unbindTexture();
if (orientation == Orientation::Inside) {
glCullFace(GL_BACK);
}
@@ -402,28 +379,8 @@ void RenderableSphere::update(const UpdateData&) {
}
}
void RenderableSphere::bindTexture() {
_texture->bind();
}
void RenderableSphere::unbindTexture() {}
void RenderableSphere::loadTexture() {
if (!_texturePath.value().empty()) {
std::unique_ptr<ghoul::opengl::Texture> texture =
ghoul::io::TextureReader::ref().loadTexture(_texturePath, 2);
if (texture) {
LDEBUGC(
"RenderableSphere",
fmt::format("Loaded texture from {}", absPath(_texturePath))
);
texture->uploadTexture();
texture->setFilter(ghoul::opengl::Texture::FilterMode::LinearMipMap);
texture->purgeFromRAM();
_texture = std::move(texture);
}
}
void RenderableSphere::unbindTexture() {
glBindTexture(GL_TEXTURE_2D, 0);
}
} // namespace openspace

24
modules/base/rendering/renderablesphere.h
View File

@@ -27,16 +27,10 @@
#include <openspace/rendering/renderable.h>
#include <openspace/properties/stringproperty.h>
#include <openspace/properties/optionproperty.h>
#include <openspace/properties/scalar/intproperty.h>
#include <openspace/properties/scalar/floatproperty.h>
#include <ghoul/opengl/uniformcache.h>
namespace ghoul::opengl {
class ProgramObject;
class Texture;
} // namespace ghoul::opengl
namespace ghoul::opengl { class ProgramObject; }
namespace openspace {
@@ -61,33 +55,27 @@ public:
static documentation::Documentation Documentation();
protected:
virtual void bindTexture();
virtual void bindTexture() = 0;
virtual void unbindTexture();
private:
void loadTexture();
properties::StringProperty _texturePath;
properties::OptionProperty _orientation;
properties::FloatProperty _size;
properties::IntProperty _segments;
properties::OptionProperty _orientation;
properties::BoolProperty _mirrorTexture;
properties::BoolProperty _disableFadeInDistance;
properties::BoolProperty _disableFadeInDistance;
properties::FloatProperty _fadeInThreshold;
properties::FloatProperty _fadeOutThreshold;
private:
ghoul::opengl::ProgramObject* _shader = nullptr;
std::unique_ptr<ghoul::opengl::Texture> _texture;
std::unique_ptr<Sphere> _sphere;
bool _sphereIsDirty = false;
UniformCache(opacity, modelViewProjection, modelViewTransform, modelViewRotation,
colorTexture, mirrorTexture) _uniformCache;
bool _sphereIsDirty = false;
};
} // namespace openspace

134
modules/base/rendering/renderablesphereimagelocal.cpp Normal file
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@@ -0,0 +1,134 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2023 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#include <modules/base/rendering/renderablesphereimagelocal.h>
#include <openspace/documentation/documentation.h>
#include <openspace/documentation/verifier.h>
#include <openspace/util/sphere.h>
#include <ghoul/filesystem/filesystem.h>
#include <ghoul/io/texture/texturereader.h>
#include <ghoul/opengl/texture.h>
#include <optional>
namespace {
constexpr openspace::properties::Property::PropertyInfo TextureInfo = {
"Texture",
"Texture",
"This value specifies an image that is loaded from disk and is used as a texture "
"that is applied to this sphere. This image is expected to be an equirectangular "
"projection",
// @VISIBILITY(2.33)
openspace::properties::Property::Visibility::User
};
struct [[codegen::Dictionary(RenderableSphere)]] Parameters {
// [[codegen::verbatim(TextureInfo.description)]]
std::string texture;
// If this value is set to 'true', the image for this sphere will not be loaded at
// startup but rather when the image is shown for the first time. Additionally, if
// the sphere is disabled, the image will automatically be unloaded
std::optional<bool> lazyLoading;
};
#include "renderablesphereimagelocal_codegen.cpp"
} // namespace
namespace openspace {
documentation::Documentation RenderableSphereImageLocal::Documentation() {
return codegen::doc<Parameters>("base_renderable_sphere_image_local");
}
RenderableSphereImageLocal::RenderableSphereImageLocal(const ghoul::Dictionary& dictionary)
: RenderableSphere(dictionary)
, _texturePath(TextureInfo)
{
const Parameters p = codegen::bake<Parameters>(dictionary);
_texturePath = p.texture;
_texturePath.onChange([this]() {
loadTexture();
});
addProperty(_texturePath);
}
bool RenderableSphereImageLocal::isReady() const {
return RenderableSphere::isReady() && _texture;
}
void RenderableSphereImageLocal::initializeGL() {
RenderableSphere::initializeGL();
if (!_isLoadingLazily) {
loadTexture();
}
}
void RenderableSphereImageLocal::deinitializeGL() {
_texture = nullptr;
RenderableSphere::deinitializeGL();
}
void RenderableSphereImageLocal::update(const UpdateData& data) {
RenderableSphere::update(data);
if (_textureIsDirty) {
loadTexture();
_textureIsDirty = false;
}
}
void RenderableSphereImageLocal::bindTexture() {
_texture->bind();
}
void RenderableSphereImageLocal::loadTexture() {
if (_texturePath.value().empty()) {
return;
}
std::unique_ptr<ghoul::opengl::Texture> texture =
ghoul::io::TextureReader::ref().loadTexture(_texturePath, 2);
if (!texture) {
LWARNINGC(
"RenderableSphereImageLocal",
fmt::format("Could not load texture from {}", absPath(_texturePath))
);
return;
}
LDEBUGC(
"RenderableSphereImageLocal",
fmt::format("Loaded texture from {}", absPath(_texturePath))
);
texture->uploadTexture();
texture->setFilter(ghoul::opengl::Texture::FilterMode::LinearMipMap);
texture->purgeFromRAM();
_texture = std::move(texture);
}
} // namespace openspace

67
modules/base/rendering/renderablesphereimagelocal.h Normal file
View File

@@ -0,0 +1,67 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2023 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#ifndef __OPENSPACE_MODULE_BASE___RENDERABLESPHEREIMAGELOCAL___H__
#define __OPENSPACE_MODULE_BASE___RENDERABLESPHEREIMAGELOCAL___H__
#include <modules/base/rendering/renderablesphere.h>
namespace ghoul::opengl { class Texture; }
namespace openspace {
struct RenderData;
struct UpdateData;
namespace documentation { struct Documentation; }
class RenderableSphereImageLocal : public RenderableSphere {
public:
RenderableSphereImageLocal(const ghoul::Dictionary& dictionary);
void initializeGL() override;
void deinitializeGL() override;
bool isReady() const override;
void update(const UpdateData& data) override;
static documentation::Documentation Documentation();
protected:
void bindTexture() override;
private:
void loadTexture();
properties::StringProperty _texturePath;
std::unique_ptr<ghoul::opengl::Texture> _texture;
bool _isLoadingLazily = false;
bool _textureIsDirty = false;
};
} // namespace openspace
#endif // __OPENSPACE_MODULE_BASE___RENDERABLESPHEREIMAGELOCAL___H__

163
modules/base/rendering/renderablesphereimageonline.cpp Normal file
View File

@@ -0,0 +1,163 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2023 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#include <modules/base/rendering/renderablesphereimageonline.h>
#include <openspace/documentation/documentation.h>
#include <openspace/documentation/verifier.h>
#include <openspace/engine/globals.h>
#include <openspace/util/sphere.h>
#include <ghoul/filesystem/filesystem.h>
#include <ghoul/io/texture/texturereader.h>
#include <ghoul/opengl/texture.h>
namespace {
constexpr openspace::properties::Property::PropertyInfo TextureInfo = {
"URL",
"Image URL",
"Sets the URL of the texture that is displayed on this sphere. If "
"this value is changed, the image at the new path will automatically be loaded "
"and displayed. This image is expected to be an equirectangular projection",
// @VISIBILITY(2.25)
openspace::properties::Property::Visibility::User
};
struct [[codegen::Dictionary(RenderableSphere)]] Parameters {
// [[codegen::verbatim(TextureInfo.description)]]
std::string url [[codegen::key("URL")]];
};
#include "renderablesphereimageonline_codegen.cpp"
} // namespace
namespace openspace {
documentation::Documentation RenderableSphereImageOnline::Documentation() {
return codegen::doc<Parameters>("base_renderable_sphere_image_online");
}
RenderableSphereImageOnline::RenderableSphereImageOnline(const ghoul::Dictionary& dictionary)
: RenderableSphere(dictionary)
, _textureUrl(TextureInfo)
{
const Parameters p = codegen::bake<Parameters>(dictionary);
_textureUrl = p.url;
_textureUrl.onChange([this]() {
_textureIsDirty = true;
});
addProperty(_textureUrl);
}
void RenderableSphereImageOnline::deinitializeGL() {
_texture = nullptr;
RenderableSphere::deinitializeGL();
}
void RenderableSphereImageOnline::update(const UpdateData& data) {
RenderableSphere::update(data);
if (!_textureIsDirty) {
return;
}
if (!_imageFuture.valid()) {
std::future<DownloadManager::MemoryFile> future = downloadImageToMemory(
_textureUrl
);
if (future.valid()) {
_imageFuture = std::move(future);
}
}
if (_imageFuture.valid() && DownloadManager::futureReady(_imageFuture)) {
DownloadManager::MemoryFile imageFile = _imageFuture.get();
if (imageFile.corrupted) {
LERRORC(
"RenderableSphereImageOnline",
fmt::format("Error loading image from URL '{}'", _textureUrl)
);
return;
}
try {
std::unique_ptr<ghoul::opengl::Texture> texture =
ghoul::io::TextureReader::ref().loadTexture(
reinterpret_cast<void*>(imageFile.buffer),
imageFile.size,
2,
imageFile.format
);
if (texture) {
// Images don't need to start on 4-byte boundaries, for example if the
// image is only RGB
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
texture->uploadTexture();
texture->setFilter(ghoul::opengl::Texture::FilterMode::LinearMipMap);
texture->purgeFromRAM();
_texture = std::move(texture);
_textureIsDirty = false;
}
}
catch (const ghoul::io::TextureReader::InvalidLoadException& e) {
_textureIsDirty = false;
LERRORC(e.component, e.message);
}
}
}
void RenderableSphereImageOnline::bindTexture() {
if (_texture) {
_texture->bind();
}
else {
unbindTexture();
}
}
std::future<DownloadManager::MemoryFile>
RenderableSphereImageOnline::downloadImageToMemory(const std::string& url)
{
return global::downloadManager->fetchFile(
url,
[url](const DownloadManager::MemoryFile&) {
LDEBUGC(
"RenderableSphereImageOnline",
fmt::format("Download to memory finished for image '{}'", url)
);
},
[url](const std::string& err) {
LDEBUGC(
"RenderableSphereImageOnline",
fmt::format("Download to memory failed for image '{}': {}", url, err)
);
}
);
}
} // namespace openspace

67
modules/base/rendering/renderablesphereimageonline.h Normal file
View File

@@ -0,0 +1,67 @@
/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2023 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#ifndef __OPENSPACE_MODULE_BASE___RENDERABLESPHEREIMAGEONLINE___H__
#define __OPENSPACE_MODULE_BASE___RENDERABLESPHEREIMAGEONLINE___H__
#include <modules/base/rendering/renderablesphere.h>
#include <openspace/engine/downloadmanager.h>
namespace ghoul::opengl { class Texture; }
namespace openspace {
struct RenderData;
struct UpdateData;
namespace documentation { struct Documentation; }
class RenderableSphereImageOnline : public RenderableSphere {
public:
RenderableSphereImageOnline(const ghoul::Dictionary& dictionary);
void deinitializeGL() override;
void update(const UpdateData& data) override;
static documentation::Documentation Documentation();
protected:
void bindTexture() override;
private:
std::future<DownloadManager::MemoryFile> downloadImageToMemory(
const std::string& url);
properties::StringProperty _textureUrl;
std::future<DownloadManager::MemoryFile> _imageFuture;
std::unique_ptr<ghoul::opengl::Texture> _texture;
bool _textureIsDirty = false;
};
} // namespace openspace
#endif // __OPENSPACE_MODULE_BASE___RENDERABLESPHEREIMAGEONLINE___H__

368
modules/base/rendering/renderabletimevaryingsphere.cpp
View File

@@ -24,35 +24,31 @@
#include <modules/base/rendering/renderabletimevaryingsphere.h>
#include <modules/base/basemodule.h>
#include <openspace/documentation/documentation.h>
#include <openspace/documentation/verifier.h>
#include <openspace/engine/globals.h>
#include <openspace/rendering/renderengine.h>
#include <openspace/util/sphere.h>
#include <openspace/util/updatestructures.h>
#include <ghoul/filesystem/filesystem.h>
#include <ghoul/glm.h>
#include <ghoul/io/texture/texturereader.h>
#include <ghoul/logging/logmanager.h>
#include <ghoul/misc/crc32.h>
#include <ghoul/opengl/texture.h>
#include <ghoul/opengl/textureunit.h>
#include <ghoul/opengl/programobject.h>
#include <filesystem>
#include <optional>
namespace {
constexpr std::array<const char*, 5> UniformNames = {
"opacity", "modelViewProjection", "modelViewRotation", "colorTexture",
"mirrorTexture"
};
// Extract J2000 time from file names
// Requires files to be named as such: 'YYYY-MM-DDTHH-MM-SS-XXX.png'
double extractTriggerTimeFromFileName(const std::string& filePath) {
// Extract the filename from the path (without extension)
std::string timeString = std::filesystem::path(filePath).stem().string();
enum class Orientation {
Outside = 0,
Inside,
Both
};
// Ensure the separators are correct
timeString.replace(4, 1, "-");
timeString.replace(7, 1, "-");
timeString.replace(13, 1, ":");
timeString.replace(16, 1, ":");
timeString.replace(19, 1, ".");
return openspace::Time::convertTime(timeString);
}
constexpr openspace::properties::Property::PropertyInfo TextureSourceInfo = {
"TextureSource",
@@ -63,185 +59,36 @@ namespace {
openspace::properties::Property::Visibility::AdvancedUser
};
constexpr openspace::properties::Property::PropertyInfo MirrorTextureInfo = {
"MirrorTexture",
"Mirror Texture",
"Mirror the texture along the x-axis",
openspace::properties::Property::Visibility::User
};
constexpr openspace::properties::Property::PropertyInfo OrientationInfo = {
"Orientation",
"Orientation",
"Specifies whether the texture is applied to the inside of the sphere, the "
"outside of the sphere, or both",
openspace::properties::Property::Visibility::AdvancedUser
};
constexpr openspace::properties::Property::PropertyInfo SegmentsInfo = {
"Segments",
"Number of Segments",
"This value specifies the number of segments that the sphere is separated in",
// @VISIBILITY(2.67)
openspace::properties::Property::Visibility::User
};
constexpr openspace::properties::Property::PropertyInfo SizeInfo = {
"Size",
"Size (in meters)",
"This value specifies the radius of the sphere in meters",
openspace::properties::Property::Visibility::AdvancedUser
};
constexpr openspace::properties::Property::PropertyInfo FadeOutThresholdInfo = {
"FadeOutThreshold",
"Fade-Out Threshold",
"This value determines percentage of the sphere is visible before starting "
"fading-out it",
openspace::properties::Property::Visibility::AdvancedUser
};
constexpr openspace::properties::Property::PropertyInfo FadeInThresholdInfo = {
"FadeInThreshold",
"Fade-In Threshold",
"Distance from center of MilkyWay from where the astronomical object starts to "
"fade in",
openspace::properties::Property::Visibility::AdvancedUser
};
constexpr openspace::properties::Property::PropertyInfo DisableFadeInOutInfo = {
"DisableFadeInOut",
"Disable Fade-In/Fade-Out effects",
"Enables/Disables the Fade-In/Out effects",
// @VISIBILITY(2.33)
openspace::properties::Property::Visibility::User
};
struct [[codegen::Dictionary(RenderableTimeVaryingSphere)]] Parameters {
// [[codegen::verbatim(SizeInfo.description)]]
float size;
// [[codegen::verbatim(SegmentsInfo.description)]]
int segments;
// [[codegen::verbatim(TextureSourceInfo.description)]]
std::string textureSource;
enum class [[codegen::map(Orientation)]] Orientation {
Outside,
Inside,
Both
};
// [[codegen::verbatim(OrientationInfo.description)]]
std::optional<Orientation> orientation;
// [[codegen::verbatim(MirrorTextureInfo.description)]]
std::optional<bool> mirrorTexture;
// [[codegen::verbatim(FadeOutThresholdInfo.description)]]
std::optional<float> fadeOutThreshold [[codegen::inrange(0.0, 1.0)]];
// [[codegen::verbatim(FadeInThresholdInfo.description)]]
std::optional<float> fadeInThreshold;
// [[codegen::verbatim(DisableFadeInOutInfo.description)]]
std::optional<bool> disableFadeInOut;
};
#include "renderabletimevaryingsphere_codegen.cpp"
} // namespace
namespace openspace {
double extractTriggerTimeFromFileName(const std::string& filePath);
documentation::Documentation RenderableTimeVaryingSphere::Documentation() {
return codegen::doc<Parameters>("base_renderable_time_varying_sphere");
}
RenderableTimeVaryingSphere::RenderableTimeVaryingSphere(
const ghoul::Dictionary& dictionary)
: Renderable(dictionary)
: RenderableSphere(dictionary)
, _textureSourcePath(TextureSourceInfo)
, _orientation(OrientationInfo, properties::OptionProperty::DisplayType::Dropdown)
, _size(SizeInfo, 1.f, 0.f, 1e35f)
, _segments(SegmentsInfo, 8, 4, 1000)
, _mirrorTexture(MirrorTextureInfo, false)
, _disableFadeInDistance(DisableFadeInOutInfo, true)
, _fadeInThreshold(FadeInThresholdInfo, -1.f, -1.f, 1.f)
, _fadeOutThreshold(FadeOutThresholdInfo, -1.f, -1.f, 1.f)
{
const Parameters p = codegen::bake<Parameters>(dictionary);
addProperty(Fadeable::_opacity);
_size = p.size;
_segments = p.segments;
_textureSourcePath = p.textureSource;
_orientation.addOptions({
{ static_cast<int>(Orientation::Outside), "Outside" },
{ static_cast<int>(Orientation::Inside), "Inside" },
{ static_cast<int>(Orientation::Both), "Both" }
});
if (p.orientation.has_value()) {
_orientation = static_cast<int>(codegen::map<Orientation>(*p.orientation));
}
else {
_orientation = static_cast<int>(Orientation::Outside);
}
addProperty(_orientation);
_size.setExponent(20.f);
_size.onChange([this]() {
setBoundingSphere(_size);
_sphereIsDirty = true;
});
addProperty(_size);
addProperty(_segments);
_segments.onChange([this]() { _sphereIsDirty = true; });
addProperty(_mirrorTexture);
addProperty(_fadeOutThreshold);
addProperty(_fadeInThreshold);
_mirrorTexture = p.mirrorTexture.value_or(_mirrorTexture);
_fadeOutThreshold = p.fadeOutThreshold.value_or(_fadeOutThreshold);
_fadeInThreshold = p.fadeInThreshold.value_or(_fadeInThreshold);
if (_fadeOutThreshold || _fadeInThreshold) {
_disableFadeInDistance = false;
addProperty(_disableFadeInDistance);
}
setBoundingSphere(_size);
}
bool RenderableTimeVaryingSphere::isReady() const {
return _shader && _texture;
return RenderableSphere::isReady() && _texture;
}
void RenderableTimeVaryingSphere::initializeGL() {
_sphere = std::make_unique<Sphere>(_size, _segments);
_sphere->initialize();
RenderableSphere::initializeGL();
_shader = BaseModule::ProgramObjectManager.request(
"Timevarying Sphere",
[]() -> std::unique_ptr<ghoul::opengl::ProgramObject> {
return global::renderEngine->buildRenderProgram(
"Timevarying Sphere",
absPath("${MODULE_BASE}/shaders/sphere_vs.glsl"),
absPath("${MODULE_BASE}/shaders/sphere_fs.glsl")
);
}
);
_shader->setIgnoreUniformLocationError(
ghoul::opengl::ProgramObject::IgnoreError::Yes
);
ghoul::opengl::updateUniformLocations(*_shader, _uniformCache, UniformNames);
extractMandatoryInfoFromSourceFolder();
computeSequenceEndTime();
loadTexture();
@@ -249,134 +96,9 @@ void RenderableTimeVaryingSphere::initializeGL() {
void RenderableTimeVaryingSphere::deinitializeGL() {
_texture = nullptr;
BaseModule::ProgramObjectManager.release(
"Timevarying Sphere",
[](ghoul::opengl::ProgramObject* p) {
global::renderEngine->removeRenderProgram(p);
}
);
_files.clear();
_shader = nullptr;
}
void RenderableTimeVaryingSphere::render(const RenderData& data, RendererTasks&) {
Orientation orientation = static_cast<Orientation>(_orientation.value());
glm::dmat4 modelTransform =
glm::translate(glm::dmat4(1.0), data.modelTransform.translation) *
glm::dmat4(data.modelTransform.rotation) *
glm::scale(glm::dmat4(1.0), glm::dvec3(data.modelTransform.scale));
glm::dmat3 modelRotation = data.modelTransform.rotation;
_shader->activate();
glm::mat4 modelViewProjection = data.camera.projectionMatrix() *
glm::mat4(data.camera.combinedViewMatrix() * modelTransform);
_shader->setUniform(_uniformCache.modelViewProjection, modelViewProjection);
glm::mat3 modelViewRotation = glm::mat3(
glm::dmat3(data.camera.viewRotationMatrix()) * modelRotation
);
_shader->setUniform(_uniformCache.modelViewRotation, modelViewRotation);
float adjustedOpacity = opacity();
if (!_disableFadeInDistance) {
if (_fadeInThreshold > -1.0) {
const float logDistCamera = glm::log(static_cast<float>(
glm::distance(data.camera.positionVec3(), data.modelTransform.translation)
));
const float startLogFadeDistance = glm::log(_size * _fadeInThreshold);
const float stopLogFadeDistance = startLogFadeDistance + 1.f;
if (logDistCamera > startLogFadeDistance &&
logDistCamera < stopLogFadeDistance)
{
const float fadeFactor = glm::clamp(
(logDistCamera - startLogFadeDistance) /
(stopLogFadeDistance - startLogFadeDistance),
0.f,
1.f
);
adjustedOpacity *= fadeFactor;
}
else if (logDistCamera <= startLogFadeDistance) {
adjustedOpacity = 0.f;
}
}
if (_fadeOutThreshold > -1.0) {
const float logDistCamera = glm::log(static_cast<float>(
glm::distance(data.camera.positionVec3(), data.modelTransform.translation)
));
const float startLogFadeDistance = glm::log(_size * _fadeOutThreshold);
const float stopLogFadeDistance = startLogFadeDistance + 1.f;
if (logDistCamera > startLogFadeDistance &&
logDistCamera < stopLogFadeDistance)
{
const float fadeFactor = glm::clamp(
(logDistCamera - startLogFadeDistance) /
(stopLogFadeDistance - startLogFadeDistance),
0.f,
1.f
);
adjustedOpacity *= (1.f - fadeFactor);
}
else if (logDistCamera >= stopLogFadeDistance) {
adjustedOpacity = 0.f;
}
}
}
// Performance wise
if (adjustedOpacity < 0.01f) {
return;
}
_shader->setUniform(_uniformCache.opacity, adjustedOpacity);
_shader->setUniform(_uniformCache._mirrorTexture, _mirrorTexture);
ghoul::opengl::TextureUnit unit;
unit.activate();
_texture->bind();
_shader->setUniform(_uniformCache.colorTexture, unit);
// Setting these states should not be necessary,
// since they are the default state in OpenSpace.
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
if (orientation == Orientation::Inside) {
glCullFace(GL_FRONT);
}
else if (orientation == Orientation::Both) {
glDisable(GL_CULL_FACE);
}
if (_renderBin == Renderable::RenderBin::PreDeferredTransparent) {
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glDepthMask(false);
}
_sphere->render();
if (_renderBin == Renderable::RenderBin::PreDeferredTransparent) {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDepthMask(true);
}
_shader->setIgnoreUniformLocationError(ghoul::opengl::ProgramObject::IgnoreError::No);
_shader->deactivate();
if (orientation == Orientation::Inside) {
glCullFace(GL_BACK);
}
else if (orientation == Orientation::Both) {
glEnable(GL_CULL_FACE);
}
glDisable(GL_CULL_FACE);
RenderableSphere::deinitializeGL();
}
void RenderableTimeVaryingSphere::extractMandatoryInfoFromSourceFolder() {
@@ -386,7 +108,7 @@ void RenderableTimeVaryingSphere::extractMandatoryInfoFromSourceFolder() {
fs::path sourceFolder = absPath(_textureSourcePath);
if (!std::filesystem::is_directory(sourceFolder)) {
throw ghoul::RuntimeError(
"Source folder for timevaryingsphere is not a valid directory"
"Source folder for RenderableTimeVaryingSphere is not a valid directory"
);
}
// Extract all file paths from the provided folder
@@ -410,7 +132,8 @@ void RenderableTimeVaryingSphere::extractMandatoryInfoFromSourceFolder() {
}
std::sort(
_files.begin(), _files.end(),
_files.begin(),
_files.end(),
[](const FileData& a, const FileData& b) {
return a.time < b.time;
}
@@ -418,19 +141,14 @@ void RenderableTimeVaryingSphere::extractMandatoryInfoFromSourceFolder() {
// Ensure that there are available and valid source files left
if (_files.empty()) {
throw ghoul::RuntimeError(
"Source folder for timevaryingsphere contains no files"
"Source folder for RenderableTimeVaryingSphere contains no files"
);
}
}
void RenderableTimeVaryingSphere::update(const UpdateData& data) {
if (!_enabled) {
return;
}
if (_shader->isDirty()) {
_shader->rebuildFromFile();
ghoul::opengl::updateUniformLocations(*_shader, _uniformCache, UniformNames);
}
RenderableSphere::update(data);
const double currentTime = data.time.j2000Seconds();
const bool isInInterval = (currentTime >= _files[0].time) &&
(currentTime < _sequenceEndTime);
@@ -443,40 +161,33 @@ void RenderableTimeVaryingSphere::update(const UpdateData& data) {
(nextIdx < _files.size() && currentTime >= _files[nextIdx].time))
{
updateActiveTriggerTimeIndex(currentTime);
_sphereIsDirty = true;
_textureIsDirty = true;
} // else {we're still in same state as previous frame (no changes needed)}
}
else {
// not in interval => set everything to false
_activeTriggerTimeIndex = 0;
}
if (_sphereIsDirty) {
_sphere = std::make_unique<Sphere>(_size, _segments);
_sphere->initialize();
if (_textureIsDirty) {
loadTexture();
_sphereIsDirty = false;
_textureIsDirty = false;
}
}
// Extract J2000 time from file names
// Requires files to be named as such: 'YYYY-MM-DDTHH-MM-SS-XXX.png'
double extractTriggerTimeFromFileName(const std::string& filePath) {
// Extract the filename from the path (without extension)
std::string timeString = std::filesystem::path(filePath).stem().string();
// Ensure the separators are correct
timeString.replace(4, 1, "-");
timeString.replace(7, 1, "-");
timeString.replace(13, 1, ":");
timeString.replace(16, 1, ":");
timeString.replace(19, 1, ".");
return Time::convertTime(timeString);
void RenderableTimeVaryingSphere::bindTexture() {
if (_texture) {
_texture->bind();
}
else {
unbindTexture();
}
}
void RenderableTimeVaryingSphere::updateActiveTriggerTimeIndex(double currentTime) {
auto iter = std::upper_bound(
_files.begin(), _files.end(), currentTime,
_files.begin(),
_files.end(),
currentTime,
[](double value, const FileData& f) {
return value < f.time;
}
@@ -499,8 +210,8 @@ void RenderableTimeVaryingSphere::computeSequenceEndTime() {
if (_files.size() > 1) {
const double lastTriggerTime = _files[_files.size() - 1].time;
const double sequenceDuration = lastTriggerTime - _files[0].time;
const double averageStateDuration = sequenceDuration /
(static_cast<double>(_files.size()) - 1.0);
const double averageStateDuration =
sequenceDuration / (static_cast<double>(_files.size()) - 1.0);
_sequenceEndTime = lastTriggerTime + averageStateDuration;
}
}
@@ -510,4 +221,5 @@ void RenderableTimeVaryingSphere::loadTexture() {
_texture = _files[_activeTriggerTimeIndex].texture.get();
}
}
} // namespace openspace

39
modules/base/rendering/renderabletimevaryingsphere.h
View File

@@ -25,28 +25,18 @@
#ifndef __OPENSPACE_MODULE_BASE___RENDERABLETIMEVARYINGSPHERE___H__
#define __OPENSPACE_MODULE_BASE___RENDERABLETIMEVARYINGSPHERE___H__
#include <openspace/rendering/renderable.h>
#include <modules/base/rendering/renderablesphere.h>
#include <openspace/properties/stringproperty.h>
#include <openspace/properties/optionproperty.h>
#include <openspace/properties/scalar/intproperty.h>
#include <openspace/properties/scalar/floatproperty.h>
#include <ghoul/opengl/uniformcache.h>
namespace ghoul::opengl {
class ProgramObject;
class Texture;
} // namespace ghoul::opengl
namespace ghoul::opengl { class Texture; }
namespace openspace {
class Sphere;
struct RenderData;
struct UpdateData;
namespace documentation { struct Documentation; }
class RenderableTimeVaryingSphere : public Renderable {
class RenderableTimeVaryingSphere : public RenderableSphere {
public:
RenderableTimeVaryingSphere(const ghoul::Dictionary& dictionary);
@@ -55,11 +45,13 @@ public:
bool isReady() const override;
void render(const RenderData& data, RendererTasks& rendererTask) override;
void update(const UpdateData& data) override;
static documentation::Documentation Documentation();
protected:
void bindTexture() override;
private:
struct FileData {
std::string path;
@@ -77,25 +69,8 @@ private:
int _activeTriggerTimeIndex = 0;
properties::StringProperty _textureSourcePath;
properties::OptionProperty _orientation;
properties::FloatProperty _size;
properties::IntProperty _segments;
properties::BoolProperty _mirrorTexture;
properties::BoolProperty _disableFadeInDistance;
properties::FloatProperty _fadeInThreshold;
properties::FloatProperty _fadeOutThreshold;
ghoul::opengl::ProgramObject* _shader = nullptr;
ghoul::opengl::Texture* _texture = nullptr;
std::unique_ptr<Sphere> _sphere;
UniformCache(opacity, modelViewProjection, modelViewRotation, colorTexture,
_mirrorTexture) _uniformCache;
bool _sphereIsDirty = false;
bool _textureIsDirty = false;
};
} // namespace openspace