mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-01-07 04:00:37 -06:00
eb330fed8f
Lead to an exception when enabling the exoplanets renderablebillboardclouds during runtime. Should probably investigate why the renderBillboard function is called with a nullptr texture in the first place...
1801 lines
61 KiB
C++
1801 lines
61 KiB
C++
/*****************************************************************************************
|
|
* *
|
|
* OpenSpace *
|
|
* *
|
|
* Copyright (c) 2014-2020 *
|
|
* *
|
|
* 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/digitaluniverse/rendering/renderablebillboardscloud.h>
|
|
|
|
#include <modules/digitaluniverse/digitaluniversemodule.h>
|
|
#include <openspace/documentation/documentation.h>
|
|
#include <openspace/documentation/verifier.h>
|
|
#include <openspace/engine/globals.h>
|
|
#include <openspace/engine/windowdelegate.h>
|
|
#include <openspace/util/updatestructures.h>
|
|
#include <openspace/rendering/renderengine.h>
|
|
#include <ghoul/filesystem/cachemanager.h>
|
|
#include <ghoul/filesystem/filesystem.h>
|
|
#include <ghoul/misc/crc32.h>
|
|
#include <ghoul/misc/templatefactory.h>
|
|
#include <ghoul/io/texture/texturereader.h>
|
|
#include <ghoul/logging/logmanager.h>
|
|
#include <ghoul/misc/profiling.h>
|
|
#include <ghoul/opengl/openglstatecache.h>
|
|
#include <ghoul/opengl/programobject.h>
|
|
#include <ghoul/opengl/texture.h>
|
|
#include <ghoul/opengl/textureunit.h>
|
|
#include <ghoul/font/fontmanager.h>
|
|
#include <ghoul/font/fontrenderer.h>
|
|
#include <ghoul/glm.h>
|
|
#include <glm/gtx/string_cast.hpp>
|
|
#include <array>
|
|
#include <fstream>
|
|
#include <cstdint>
|
|
#include <locale>
|
|
#include <string>
|
|
|
|
namespace {
|
|
constexpr const char* _loggerCat = "RenderableBillboardsCloud";
|
|
constexpr const char* ProgramObjectName = "RenderableBillboardsCloud";
|
|
constexpr const char* RenderToPolygonProgram = "RenderableBillboardsCloud_Polygon";
|
|
|
|
constexpr const std::array<const char*, 20> UniformNames = {
|
|
"cameraViewProjectionMatrix", "modelMatrix", "cameraPosition", "cameraLookUp",
|
|
"renderOption", "minBillboardSize", "maxBillboardSize",
|
|
"correctionSizeEndDistance", "correctionSizeFactor", "color", "alphaValue",
|
|
"scaleFactor", "up", "right", "fadeInValue", "screenSize", "spriteTexture",
|
|
"hasColorMap", "enabledRectSizeControl", "hasDvarScaling"
|
|
};
|
|
|
|
constexpr const char* KeyFile = "File";
|
|
constexpr const char* keyColor = "Color";
|
|
constexpr const char* keyUnit = "Unit";
|
|
constexpr const char* MeterUnit = "m";
|
|
constexpr const char* KilometerUnit = "Km";
|
|
constexpr const char* ParsecUnit = "pc";
|
|
constexpr const char* KiloparsecUnit = "Kpc";
|
|
constexpr const char* MegaparsecUnit = "Mpc";
|
|
constexpr const char* GigaparsecUnit = "Gpc";
|
|
constexpr const char* GigalightyearUnit = "Gly";
|
|
|
|
constexpr int8_t CurrentCacheVersion = 1;
|
|
constexpr double PARSEC = 0.308567756E17;
|
|
|
|
constexpr const int RenderOptionViewDirection = 0;
|
|
constexpr const int RenderOptionPositionNormal = 1;
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo SpriteTextureInfo = {
|
|
"Texture",
|
|
"Point Sprite Texture",
|
|
"The path to the texture that should be used as the point sprite."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo ScaleFactorInfo = {
|
|
"ScaleFactor",
|
|
"Scale Factor",
|
|
"This value is used as a multiplicative factor that is applied to the apparent "
|
|
"size of each point."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo ColorInfo = {
|
|
"Color",
|
|
"Color",
|
|
"This value is used to define the color of the astronomical object."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo ColorMapInfo = {
|
|
"ColorMap",
|
|
"Color Map File",
|
|
"The path to the color map file of the astronomical object."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo ExactColorMapInfo = {
|
|
"ExactColorMap",
|
|
"Exact Color Map File",
|
|
"Set a 1 to 1 relationship between the color index variable and the colormap"
|
|
" entrered value."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo ColorRangeInfo = {
|
|
"ColorRange",
|
|
"Color Range",
|
|
"This value determines the colormap ranges for the color parameters of the "
|
|
"astronomical objects."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo PolygonSidesInfo = {
|
|
"PolygonSides",
|
|
"Polygon Sides",
|
|
"The number of sides for the polygon used to represent the astronomical object."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo TextColorInfo = {
|
|
"TextColor",
|
|
"Text Color",
|
|
"The text color for the astronomical object."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo TextOpacityInfo = {
|
|
"TextOpacity",
|
|
"Text Opacity",
|
|
"Determines the transparency of the text label, where 1 is completely opaque "
|
|
"and 0 fully transparent."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo TextSizeInfo = {
|
|
"TextSize",
|
|
"Text Size",
|
|
"The text size for the astronomical object labels."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo LabelFileInfo = {
|
|
"LabelFile",
|
|
"Label File",
|
|
"The path to the label file that contains information about the astronomical "
|
|
"objects being rendered."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo LabelMinSizeInfo = {
|
|
"TextMinSize",
|
|
"Text Min Size",
|
|
"The minimal size (in pixels) of the text for the labels for the astronomical "
|
|
"objects being rendered."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo LabelMaxSizeInfo = {
|
|
"TextMaxSize",
|
|
"Text Max Size",
|
|
"The maximum size (in pixels) of the text for the labels for the astronomical "
|
|
"objects being rendered."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo DrawElementsInfo = {
|
|
"DrawElements",
|
|
"Draw Elements",
|
|
"Enables/Disables the drawing of the astronomical objects."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo DrawLabelInfo = {
|
|
"DrawLabels",
|
|
"Draw Labels",
|
|
"Determines whether labels should be drawn or hidden."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo ColorOptionInfo = {
|
|
"ColorOption",
|
|
"Color Option",
|
|
"This value determines which paramenter is used for default color of the "
|
|
"astronomical objects."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo SizeOptionInfo = {
|
|
"SizeOption",
|
|
"Size Option Variable",
|
|
"This value determines which paramenter (datavar) is used for scaling "
|
|
"of the astronomical objects."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo TransformationMatrixInfo = {
|
|
"TransformationMatrix",
|
|
"Transformation Matrix",
|
|
"Transformation matrix to be applied to each astronomical object."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo RenderOptionInfo = {
|
|
"RenderOption",
|
|
"Render Option",
|
|
"Debug option for rendering of billboards and texts."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo FadeInDistancesInfo = {
|
|
"FadeInDistances",
|
|
"Fade-In Start and End Distances",
|
|
"These values determine the initial and final distances from the center of "
|
|
"our galaxy from which the astronomical object will start and end "
|
|
"fading-in."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo DisableFadeInInfo = {
|
|
"DisableFadeIn",
|
|
"Disable Fade-in effect",
|
|
"Enables/Disables the Fade-in effect."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo BillboardMaxSizeInfo = {
|
|
"BillboardMaxSize",
|
|
"Billboard Max Size in Pixels",
|
|
"The max size (in pixels) for the billboard representing the astronomical "
|
|
"object."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo BillboardMinSizeInfo = {
|
|
"BillboardMinSize",
|
|
"Billboard Min Size in Pixels",
|
|
"The min size (in pixels) for the billboard representing the astronomical "
|
|
"object."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo
|
|
CorrectionSizeEndDistanceInfo = {
|
|
"CorrectionSizeEndDistance",
|
|
"Distance in 10^X meters where correction size stops acting.",
|
|
"Distance in 10^X meters where correction size stops acting."
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo CorrectionSizeFactorInfo = {
|
|
"CorrectionSizeFactor",
|
|
"Control variable for distance size.",
|
|
""
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo PixelSizeControlInfo = {
|
|
"EnablePixelSizeControl",
|
|
"Enable pixel size control.",
|
|
"Enable pixel size control for rectangular projections."
|
|
};
|
|
} // namespace
|
|
|
|
namespace openspace {
|
|
|
|
documentation::Documentation RenderableBillboardsCloud::Documentation() {
|
|
using namespace documentation;
|
|
return {
|
|
"RenderableBillboardsCloud",
|
|
"digitaluniverse_RenderableBillboardsCloud",
|
|
{
|
|
{
|
|
"Type",
|
|
new StringEqualVerifier("RenderableBillboardsCloud"),
|
|
Optional::No
|
|
},
|
|
{
|
|
KeyFile,
|
|
new StringVerifier,
|
|
Optional::Yes,
|
|
"The path to the SPECK file that contains information about the "
|
|
"astronomical object being rendered."
|
|
},
|
|
{
|
|
keyColor,
|
|
new Vector3Verifier<float>,
|
|
Optional::No,
|
|
"Astronomical Object Color (r,g,b)."
|
|
},
|
|
{
|
|
SpriteTextureInfo.identifier,
|
|
new StringVerifier,
|
|
Optional::Yes,
|
|
SpriteTextureInfo.description
|
|
},
|
|
{
|
|
ScaleFactorInfo.identifier,
|
|
new DoubleVerifier,
|
|
Optional::Yes,
|
|
ScaleFactorInfo.description
|
|
},
|
|
{
|
|
ColorMapInfo.identifier,
|
|
new StringVerifier,
|
|
Optional::Yes,
|
|
ColorMapInfo.description
|
|
},
|
|
{
|
|
ExactColorMapInfo.identifier,
|
|
new BoolVerifier,
|
|
Optional::Yes,
|
|
ExactColorMapInfo.description
|
|
},
|
|
{
|
|
PolygonSidesInfo.identifier,
|
|
new IntVerifier,
|
|
Optional::Yes,
|
|
PolygonSidesInfo.description
|
|
},
|
|
{
|
|
DrawLabelInfo.identifier,
|
|
new BoolVerifier,
|
|
Optional::Yes,
|
|
DrawLabelInfo.description
|
|
},
|
|
{
|
|
TextColorInfo.identifier,
|
|
new DoubleVector3Verifier,
|
|
Optional::Yes,
|
|
TextColorInfo.description
|
|
},
|
|
{
|
|
TextOpacityInfo.identifier,
|
|
new DoubleVerifier,
|
|
Optional::Yes,
|
|
TextOpacityInfo.description
|
|
},
|
|
{
|
|
TextSizeInfo.identifier,
|
|
new DoubleVerifier,
|
|
Optional::Yes,
|
|
TextSizeInfo.description
|
|
},
|
|
{
|
|
LabelFileInfo.identifier,
|
|
new StringVerifier,
|
|
Optional::Yes,
|
|
LabelFileInfo.description
|
|
},
|
|
{
|
|
LabelMinSizeInfo.identifier,
|
|
new DoubleVerifier,
|
|
Optional::Yes,
|
|
LabelMinSizeInfo.description
|
|
},
|
|
{
|
|
LabelMaxSizeInfo.identifier,
|
|
new DoubleVerifier,
|
|
Optional::Yes,
|
|
LabelMaxSizeInfo.description
|
|
},
|
|
{
|
|
ColorOptionInfo.identifier,
|
|
new StringListVerifier,
|
|
Optional::Yes,
|
|
ColorOptionInfo.description
|
|
},
|
|
{
|
|
SizeOptionInfo.identifier,
|
|
new StringListVerifier,
|
|
Optional::Yes,
|
|
SizeOptionInfo.description
|
|
},
|
|
{
|
|
ColorRangeInfo.identifier,
|
|
new Vector2ListVerifier<float>,
|
|
Optional::Yes,
|
|
ColorRangeInfo.description
|
|
},
|
|
{
|
|
TransformationMatrixInfo.identifier,
|
|
new Matrix4x4Verifier<double>,
|
|
Optional::Yes,
|
|
TransformationMatrixInfo.description
|
|
},
|
|
{
|
|
FadeInDistancesInfo.identifier,
|
|
new Vector2Verifier<double>,
|
|
Optional::Yes,
|
|
FadeInDistancesInfo.description
|
|
},
|
|
{
|
|
DisableFadeInInfo.identifier,
|
|
new BoolVerifier,
|
|
Optional::Yes,
|
|
DisableFadeInInfo.description
|
|
},
|
|
{
|
|
BillboardMaxSizeInfo.identifier,
|
|
new DoubleVerifier,
|
|
Optional::Yes,
|
|
BillboardMaxSizeInfo.description
|
|
},
|
|
{
|
|
BillboardMinSizeInfo.identifier,
|
|
new DoubleVerifier,
|
|
Optional::Yes,
|
|
BillboardMinSizeInfo.description
|
|
},
|
|
{
|
|
CorrectionSizeEndDistanceInfo.identifier,
|
|
new DoubleVerifier,
|
|
Optional::Yes,
|
|
CorrectionSizeEndDistanceInfo.description
|
|
},
|
|
{
|
|
CorrectionSizeFactorInfo.identifier,
|
|
new DoubleVerifier,
|
|
Optional::Yes,
|
|
CorrectionSizeFactorInfo.description
|
|
},
|
|
{
|
|
PixelSizeControlInfo.identifier,
|
|
new BoolVerifier,
|
|
Optional::Yes,
|
|
PixelSizeControlInfo.description
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
RenderableBillboardsCloud::RenderableBillboardsCloud(const ghoul::Dictionary& dictionary)
|
|
: Renderable(dictionary)
|
|
, _scaleFactor(ScaleFactorInfo, 1.f, 0.f, 600.f)
|
|
, _pointColor(ColorInfo, glm::vec3(1.f), glm::vec3(0.f), glm::vec3(1.f))
|
|
, _spriteTexturePath(SpriteTextureInfo)
|
|
, _textColor(TextColorInfo, glm::vec3(1.f), glm::vec3(0.f), glm::vec3(1.f))
|
|
, _textOpacity(TextOpacityInfo, 1.f, 0.f, 1.f)
|
|
, _textSize(TextSizeInfo, 8.f, 0.5f, 24.f)
|
|
, _textMinSize(LabelMinSizeInfo, 8.f, 0.5f, 24.f)
|
|
, _textMaxSize(LabelMaxSizeInfo, 20.f, 0.5f, 100.f)
|
|
, _drawElements(DrawElementsInfo, true)
|
|
, _drawLabels(DrawLabelInfo, false)
|
|
, _pixelSizeControl(PixelSizeControlInfo, false)
|
|
, _colorOption(ColorOptionInfo, properties::OptionProperty::DisplayType::Dropdown)
|
|
, _datavarSizeOption(
|
|
SizeOptionInfo,
|
|
properties::OptionProperty::DisplayType::Dropdown
|
|
)
|
|
, _fadeInDistance(
|
|
FadeInDistancesInfo,
|
|
glm::vec2(0.f),
|
|
glm::vec2(0.f),
|
|
glm::vec2(100.f)
|
|
)
|
|
, _disableFadeInDistance(DisableFadeInInfo, true)
|
|
, _billboardMaxSize(BillboardMaxSizeInfo, 400.f, 0.f, 1000.f)
|
|
, _billboardMinSize(BillboardMinSizeInfo, 0.f, 0.f, 100.f)
|
|
, _correctionSizeEndDistance(CorrectionSizeEndDistanceInfo, 17.f, 12.f, 25.f)
|
|
, _correctionSizeFactor(CorrectionSizeFactorInfo, 8.f, 0.f, 20.f)
|
|
, _renderOption(RenderOptionInfo, properties::OptionProperty::DisplayType::Dropdown)
|
|
{
|
|
documentation::testSpecificationAndThrow(
|
|
Documentation(),
|
|
dictionary,
|
|
"RenderableBillboardsCloud"
|
|
);
|
|
|
|
if (dictionary.hasKey(KeyFile)) {
|
|
_speckFile = absPath(dictionary.value<std::string>(KeyFile));
|
|
_hasSpeckFile = true;
|
|
}
|
|
|
|
if (dictionary.hasKey(DrawElementsInfo.identifier)) {
|
|
_drawElements = dictionary.value<bool>(DrawElementsInfo.identifier);
|
|
}
|
|
|
|
_drawElements.onChange([&]() { _hasSpeckFile = !_hasSpeckFile; });
|
|
addProperty(_drawElements);
|
|
|
|
_renderOption.addOption(RenderOptionViewDirection, "Camera View Direction");
|
|
_renderOption.addOption(RenderOptionPositionNormal, "Camera Position Normal");
|
|
|
|
_renderOption = RenderOptionPositionNormal;
|
|
if (dictionary.hasKeyAndValue<std::string>(RenderOptionInfo.identifier)) {
|
|
const std::string o = dictionary.value<std::string>(RenderOptionInfo.identifier);
|
|
|
|
if (o == "Camera View Direction") {
|
|
_renderOption = RenderOptionViewDirection;
|
|
}
|
|
else if (o == "Camera Position Normal") {
|
|
_renderOption = RenderOptionPositionNormal;
|
|
}
|
|
}
|
|
|
|
addProperty(_renderOption);
|
|
|
|
if (dictionary.hasKey(keyUnit)) {
|
|
std::string unit = dictionary.value<std::string>(keyUnit);
|
|
if (unit == MeterUnit) {
|
|
_unit = Meter;
|
|
}
|
|
else if (unit == KilometerUnit) {
|
|
_unit = Kilometer;
|
|
}
|
|
else if (unit == ParsecUnit) {
|
|
_unit = Parsec;
|
|
}
|
|
else if (unit == KiloparsecUnit) {
|
|
_unit = Kiloparsec;
|
|
}
|
|
else if (unit == MegaparsecUnit) {
|
|
_unit = Megaparsec;
|
|
}
|
|
else if (unit == GigaparsecUnit) {
|
|
_unit = Gigaparsec;
|
|
}
|
|
else if (unit == GigalightyearUnit) {
|
|
_unit = GigalightYears;
|
|
}
|
|
else {
|
|
LWARNING(
|
|
"No unit given for RenderableBillboardsCloud. Using meters as units."
|
|
);
|
|
_unit = Meter;
|
|
}
|
|
}
|
|
|
|
if (dictionary.hasKey(SpriteTextureInfo.identifier)) {
|
|
_spriteTexturePath = absPath(dictionary.value<std::string>(
|
|
SpriteTextureInfo.identifier
|
|
));
|
|
|
|
_spriteTexturePath.onChange([&]() { _spriteTextureIsDirty = true; });
|
|
addProperty(_spriteTexturePath);
|
|
|
|
_hasSpriteTexture = true;
|
|
}
|
|
|
|
if (dictionary.hasKey(ColorMapInfo.identifier)) {
|
|
_colorMapFile = absPath(dictionary.value<std::string>(ColorMapInfo.identifier));
|
|
_hasColorMapFile = true;
|
|
|
|
if (dictionary.hasKey(ColorOptionInfo.identifier)) {
|
|
ghoul::Dictionary colorOptionDataDic = dictionary.value<ghoul::Dictionary>(
|
|
ColorOptionInfo.identifier
|
|
);
|
|
for (int i = 0; i < static_cast<int>(colorOptionDataDic.size()); ++i) {
|
|
std::string colorMapInUseName(
|
|
colorOptionDataDic.value<std::string>(std::to_string(i + 1))
|
|
);
|
|
_colorOption.addOption(i, colorMapInUseName);
|
|
_optionConversionMap.insert({ i, colorMapInUseName });
|
|
_colorOptionString = colorMapInUseName;
|
|
}
|
|
}
|
|
_colorOption.onChange([&]() {
|
|
_dataIsDirty = true;
|
|
_colorOptionString = _optionConversionMap[_colorOption.value()];
|
|
});
|
|
addProperty(_colorOption);
|
|
|
|
if (dictionary.hasKey(ColorRangeInfo.identifier)) {
|
|
ghoul::Dictionary rangeDataDict = dictionary.value<ghoul::Dictionary>(
|
|
ColorRangeInfo.identifier
|
|
);
|
|
for (size_t i = 0; i < rangeDataDict.size(); ++i) {
|
|
_colorRangeData.push_back(
|
|
rangeDataDict.value<glm::vec2>(std::to_string(i + 1))
|
|
);
|
|
}
|
|
}
|
|
|
|
if (dictionary.hasKey(ExactColorMapInfo.identifier)) {
|
|
_isColorMapExact = dictionary.value<bool>(ExactColorMapInfo.identifier);
|
|
}
|
|
}
|
|
else if (dictionary.hasKey(keyColor)) {
|
|
_pointColor = dictionary.value<glm::vec3>(keyColor);
|
|
_pointColor.setViewOption(properties::Property::ViewOptions::Color);
|
|
addProperty(_pointColor);
|
|
}
|
|
|
|
addProperty(_opacity);
|
|
|
|
if (dictionary.hasKey(ScaleFactorInfo.identifier)) {
|
|
_scaleFactor = static_cast<float>(
|
|
dictionary.value<double>(ScaleFactorInfo.identifier)
|
|
);
|
|
}
|
|
addProperty(_scaleFactor);
|
|
|
|
if (dictionary.hasKey(SizeOptionInfo.identifier)) {
|
|
ghoul::Dictionary sizeOptionDataDic = dictionary.value<ghoul::Dictionary>(
|
|
SizeOptionInfo.identifier
|
|
);
|
|
for (int i = 0; i < static_cast<int>(sizeOptionDataDic.size()); ++i) {
|
|
std::string datavarSizeInUseName(
|
|
sizeOptionDataDic.value<std::string>(std::to_string(i + 1))
|
|
);
|
|
_datavarSizeOption.addOption(i, datavarSizeInUseName);
|
|
_optionConversionSizeMap.insert({ i, datavarSizeInUseName });
|
|
_datavarSizeOptionString = datavarSizeInUseName;
|
|
}
|
|
|
|
_datavarSizeOption.onChange([&]() {
|
|
_dataIsDirty = true;
|
|
_datavarSizeOptionString = _optionConversionSizeMap[_datavarSizeOption];
|
|
});
|
|
addProperty(_datavarSizeOption);
|
|
|
|
_hasDatavarSize = true;
|
|
}
|
|
|
|
if (dictionary.hasKey(PolygonSidesInfo.identifier)) {
|
|
_polygonSides = static_cast<int>(
|
|
dictionary.value<double>(PolygonSidesInfo.identifier)
|
|
);
|
|
_hasPolygon = true;
|
|
}
|
|
|
|
if (dictionary.hasKey(LabelFileInfo.identifier)) {
|
|
if (dictionary.hasKey(DrawLabelInfo.identifier)) {
|
|
_drawLabels = dictionary.value<bool>(DrawLabelInfo.identifier);
|
|
}
|
|
addProperty(_drawLabels);
|
|
|
|
_labelFile = absPath(dictionary.value<std::string>(LabelFileInfo.identifier));
|
|
_hasLabel = true;
|
|
|
|
if (dictionary.hasKey(TextColorInfo.identifier)) {
|
|
_textColor = dictionary.value<glm::vec3>(TextColorInfo.identifier);
|
|
_hasLabel = true;
|
|
}
|
|
_textColor.setViewOption(properties::Property::ViewOptions::Color);
|
|
addProperty(_textColor);
|
|
_textColor.onChange([&]() { _textColorIsDirty = true; });
|
|
|
|
if (dictionary.hasKey(TextOpacityInfo.identifier)) {
|
|
_textOpacity = dictionary.value<float>(TextOpacityInfo.identifier);
|
|
}
|
|
addProperty(_textOpacity);
|
|
|
|
if (dictionary.hasKey(TextSizeInfo.identifier)) {
|
|
_textSize = dictionary.value<float>(TextSizeInfo.identifier);
|
|
}
|
|
addProperty(_textSize);
|
|
|
|
if (dictionary.hasKey(LabelMinSizeInfo.identifier)) {
|
|
_textMinSize = dictionary.value<float>(LabelMinSizeInfo.identifier);
|
|
}
|
|
addProperty(_textMinSize);
|
|
|
|
if (dictionary.hasKey(LabelMaxSizeInfo.identifier)) {
|
|
_textMaxSize = dictionary.value<float>(LabelMaxSizeInfo.identifier);
|
|
}
|
|
addProperty(_textMaxSize);
|
|
}
|
|
|
|
if (dictionary.hasKey(TransformationMatrixInfo.identifier)) {
|
|
_transformationMatrix = dictionary.value<glm::dmat4>(
|
|
TransformationMatrixInfo.identifier
|
|
);
|
|
}
|
|
|
|
if (dictionary.hasKey(FadeInDistancesInfo.identifier)) {
|
|
glm::vec2 v = dictionary.value<glm::vec2>(FadeInDistancesInfo.identifier);
|
|
_fadeInDistance = v;
|
|
_disableFadeInDistance = false;
|
|
addProperty(_fadeInDistance);
|
|
addProperty(_disableFadeInDistance);
|
|
}
|
|
|
|
if (dictionary.hasKey(BillboardMaxSizeInfo.identifier)) {
|
|
_billboardMaxSize = static_cast<float>(
|
|
dictionary.value<double>(BillboardMaxSizeInfo.identifier)
|
|
);
|
|
}
|
|
addProperty(_billboardMaxSize);
|
|
|
|
if (dictionary.hasKey(BillboardMinSizeInfo.identifier)) {
|
|
_billboardMinSize = static_cast<float>(
|
|
dictionary.value<double>(BillboardMinSizeInfo.identifier)
|
|
);
|
|
}
|
|
addProperty(_billboardMinSize);
|
|
|
|
if (dictionary.hasKey(CorrectionSizeEndDistanceInfo.identifier)) {
|
|
_correctionSizeEndDistance = static_cast<float>(
|
|
dictionary.value<double>(CorrectionSizeEndDistanceInfo.identifier)
|
|
);
|
|
}
|
|
addProperty(_correctionSizeEndDistance);
|
|
|
|
if (dictionary.hasKey(CorrectionSizeFactorInfo.identifier)) {
|
|
_correctionSizeFactor = static_cast<float>(
|
|
dictionary.value<double>(CorrectionSizeFactorInfo.identifier)
|
|
);
|
|
|
|
addProperty(_correctionSizeFactor);
|
|
}
|
|
|
|
if (dictionary.hasKey(PixelSizeControlInfo.identifier)) {
|
|
_pixelSizeControl = dictionary.value<bool>(PixelSizeControlInfo.identifier);
|
|
addProperty(_pixelSizeControl);
|
|
}
|
|
}
|
|
|
|
bool RenderableBillboardsCloud::isReady() const {
|
|
return ((_program != nullptr) && (!_fullData.empty())) || (!_labelData.empty());
|
|
}
|
|
|
|
void RenderableBillboardsCloud::initialize() {
|
|
ZoneScoped
|
|
|
|
bool success = loadData();
|
|
if (!success) {
|
|
throw ghoul::RuntimeError("Error loading data");
|
|
}
|
|
|
|
if (!_colorOptionString.empty() && (_colorRangeData.size() > 1)) {
|
|
// Following DU behavior here. The last colormap variable
|
|
// entry is the one selected by default.
|
|
_colorOption.setValue(static_cast<int>(_colorRangeData.size() - 1));
|
|
}
|
|
|
|
setRenderBin(Renderable::RenderBin::PreDeferredTransparent);
|
|
}
|
|
|
|
void RenderableBillboardsCloud::initializeGL() {
|
|
ZoneScoped
|
|
|
|
_program = DigitalUniverseModule::ProgramObjectManager.request(
|
|
ProgramObjectName,
|
|
[]() {
|
|
return global::renderEngine.buildRenderProgram(
|
|
ProgramObjectName,
|
|
absPath("${MODULE_DIGITALUNIVERSE}/shaders/billboard_vs.glsl"),
|
|
absPath("${MODULE_DIGITALUNIVERSE}/shaders/billboard_fs.glsl"),
|
|
absPath("${MODULE_DIGITALUNIVERSE}/shaders/billboard_gs.glsl")
|
|
);
|
|
}
|
|
);
|
|
|
|
_renderToPolygonProgram = DigitalUniverseModule::ProgramObjectManager.request(
|
|
RenderToPolygonProgram,
|
|
[]() {
|
|
return ghoul::opengl::ProgramObject::Build(
|
|
RenderToPolygonProgram,
|
|
absPath("${MODULE_DIGITALUNIVERSE}/shaders/billboardpolygon_vs.glsl"),
|
|
absPath("${MODULE_DIGITALUNIVERSE}/shaders/billboardpolygon_fs.glsl"),
|
|
absPath("${MODULE_DIGITALUNIVERSE}/shaders/billboardpolygon_gs.glsl")
|
|
);
|
|
}
|
|
);
|
|
|
|
ghoul::opengl::updateUniformLocations(*_program, _uniformCache, UniformNames);
|
|
|
|
if (_hasPolygon) {
|
|
createPolygonTexture();
|
|
}
|
|
|
|
if (_hasLabel) {
|
|
if (_font == nullptr) {
|
|
size_t _fontSize = 50;
|
|
_font = global::fontManager.font(
|
|
"Mono",
|
|
static_cast<float>(_fontSize),
|
|
ghoul::fontrendering::FontManager::Outline::Yes,
|
|
ghoul::fontrendering::FontManager::LoadGlyphs::No
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
void RenderableBillboardsCloud::deinitializeGL() {
|
|
glDeleteBuffers(1, &_vbo);
|
|
_vbo = 0;
|
|
glDeleteVertexArrays(1, &_vao);
|
|
_vao = 0;
|
|
|
|
DigitalUniverseModule::ProgramObjectManager.release(
|
|
ProgramObjectName,
|
|
[](ghoul::opengl::ProgramObject* p) {
|
|
global::renderEngine.removeRenderProgram(p);
|
|
}
|
|
);
|
|
_program = nullptr;
|
|
|
|
DigitalUniverseModule::ProgramObjectManager.release(RenderToPolygonProgram);
|
|
_renderToPolygonProgram = nullptr;
|
|
|
|
DigitalUniverseModule::TextureManager.release(_spriteTexture);
|
|
_spriteTexture = nullptr;
|
|
|
|
if (_hasPolygon) {
|
|
_polygonTexture = nullptr;
|
|
glDeleteTextures(1, &_pTexture);
|
|
}
|
|
}
|
|
|
|
void RenderableBillboardsCloud::renderBillboards(const RenderData& data,
|
|
const glm::dmat4& modelMatrix,
|
|
const glm::dvec3& orthoRight,
|
|
const glm::dvec3& orthoUp,
|
|
float fadeInVariable)
|
|
{
|
|
glDepthMask(false);
|
|
|
|
glEnablei(GL_BLEND, 0);
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
|
|
|
|
_program->activate();
|
|
|
|
_program->setUniform(
|
|
"screenSize",
|
|
glm::vec2(global::renderEngine.renderingResolution())
|
|
);
|
|
|
|
_program->setUniform(_uniformCache.cameraPos, data.camera.positionVec3());
|
|
_program->setUniform(
|
|
_uniformCache.cameraLookup,
|
|
glm::vec3(data.camera.lookUpVectorWorldSpace())
|
|
);
|
|
_program->setUniform(_uniformCache.renderOption, _renderOption.value());
|
|
_program->setUniform(_uniformCache.modelMatrix, modelMatrix);
|
|
_program->setUniform(
|
|
_uniformCache.cameraViewProjectionMatrix,
|
|
glm::mat4(
|
|
glm::dmat4(data.camera.projectionMatrix()) * data.camera.combinedViewMatrix()
|
|
)
|
|
);
|
|
_program->setUniform(_uniformCache.minBillboardSize, _billboardMinSize); // in pixels
|
|
_program->setUniform(_uniformCache.maxBillboardSize, _billboardMaxSize); // in pixels
|
|
_program->setUniform(_uniformCache.color, _pointColor);
|
|
_program->setUniform(_uniformCache.alphaValue, _opacity);
|
|
_program->setUniform(_uniformCache.scaleFactor, _scaleFactor);
|
|
_program->setUniform(_uniformCache.up, glm::vec3(orthoUp));
|
|
_program->setUniform(_uniformCache.right, glm::vec3(orthoRight));
|
|
_program->setUniform(_uniformCache.fadeInValue, fadeInVariable);
|
|
|
|
_program->setUniform(
|
|
_uniformCache.correctionSizeEndDistance,
|
|
_correctionSizeEndDistance
|
|
);
|
|
_program->setUniform(_uniformCache.correctionSizeFactor, _correctionSizeFactor);
|
|
|
|
_program->setUniform(_uniformCache.enabledRectSizeControl, _pixelSizeControl);
|
|
|
|
_program->setUniform(_uniformCache.hasDvarScaling, _hasDatavarSize);
|
|
|
|
GLint viewport[4];
|
|
glGetIntegerv(GL_VIEWPORT, viewport);
|
|
_program->setUniform(_uniformCache.screenSize, glm::vec2(viewport[2], viewport[3]));
|
|
|
|
ghoul::opengl::TextureUnit textureUnit;
|
|
textureUnit.activate();
|
|
if (_hasPolygon) {
|
|
glBindTexture(GL_TEXTURE_2D, _pTexture);
|
|
}
|
|
else if (_spriteTexture) {
|
|
_spriteTexture->bind();
|
|
}
|
|
_program->setUniform(_uniformCache.spriteTexture, textureUnit);
|
|
_program->setUniform(_uniformCache.hasColormap, _hasColorMapFile);
|
|
|
|
glBindVertexArray(_vao);
|
|
const GLsizei nAstronomicalObjects = static_cast<GLsizei>(
|
|
_fullData.size() / _nValuesPerAstronomicalObject
|
|
);
|
|
glDrawArrays(GL_POINTS, 0, nAstronomicalObjects);
|
|
|
|
glBindVertexArray(0);
|
|
_program->deactivate();
|
|
|
|
global::renderEngine.openglStateCache().resetBlendState();
|
|
global::renderEngine.openglStateCache().resetDepthState();
|
|
}
|
|
|
|
void RenderableBillboardsCloud::renderLabels(const RenderData& data,
|
|
const glm::dmat4& modelViewProjectionMatrix,
|
|
const glm::dvec3& orthoRight,
|
|
const glm::dvec3& orthoUp,
|
|
float fadeInVariable)
|
|
{
|
|
float scale = 0.f;
|
|
switch (_unit) {
|
|
case Meter:
|
|
scale = 1.f;
|
|
break;
|
|
case Kilometer:
|
|
scale = 1e3f;
|
|
break;
|
|
case Parsec:
|
|
scale = static_cast<float>(PARSEC);
|
|
break;
|
|
case Kiloparsec:
|
|
scale = static_cast<float>(1e3 * PARSEC);
|
|
break;
|
|
case Megaparsec:
|
|
scale = static_cast<float>(1e6 * PARSEC);
|
|
break;
|
|
case Gigaparsec:
|
|
scale = static_cast<float>(1e9 * PARSEC);
|
|
break;
|
|
case GigalightYears:
|
|
scale = static_cast<float>(306391534.73091 * PARSEC);
|
|
break;
|
|
}
|
|
|
|
glm::vec4 textColor = glm::vec4(
|
|
glm::vec3(_textColor),
|
|
_textOpacity * fadeInVariable
|
|
);
|
|
|
|
ghoul::fontrendering::FontRenderer::ProjectedLabelsInformation labelInfo;
|
|
labelInfo.orthoRight = orthoRight;
|
|
labelInfo.orthoUp = orthoUp;
|
|
labelInfo.minSize = static_cast<int>(_textMinSize);
|
|
labelInfo.maxSize = static_cast<int>(_textMaxSize);
|
|
labelInfo.cameraPos = data.camera.positionVec3();
|
|
labelInfo.cameraLookUp = data.camera.lookUpVectorWorldSpace();
|
|
labelInfo.renderType = _renderOption;
|
|
labelInfo.mvpMatrix = modelViewProjectionMatrix;
|
|
labelInfo.scale = pow(10.f, _textSize);
|
|
labelInfo.enableDepth = true;
|
|
labelInfo.enableFalseDepth = false;
|
|
|
|
for (const std::pair<glm::vec3, std::string>& pair : _labelData) {
|
|
//glm::vec3 scaledPos(_transformationMatrix * glm::dvec4(pair.first, 1.0));
|
|
glm::vec3 scaledPos(pair.first);
|
|
scaledPos *= scale;
|
|
ghoul::fontrendering::FontRenderer::defaultProjectionRenderer().render(
|
|
*_font,
|
|
scaledPos,
|
|
pair.second,
|
|
textColor,
|
|
labelInfo
|
|
);
|
|
}
|
|
}
|
|
|
|
void RenderableBillboardsCloud::render(const RenderData& data, RendererTasks&) {
|
|
float scale = 0.f;
|
|
switch (_unit) {
|
|
case Meter:
|
|
scale = 1.f;
|
|
break;
|
|
case Kilometer:
|
|
scale = 1e3f;
|
|
break;
|
|
case Parsec:
|
|
scale = static_cast<float>(PARSEC);
|
|
break;
|
|
case Kiloparsec:
|
|
scale = static_cast<float>(1e3 * PARSEC);
|
|
break;
|
|
case Megaparsec:
|
|
scale = static_cast<float>(1e6 * PARSEC);
|
|
break;
|
|
case Gigaparsec:
|
|
scale = static_cast<float>(1e9 * PARSEC);
|
|
break;
|
|
case GigalightYears:
|
|
scale = static_cast<float>(306391534.73091 * PARSEC);
|
|
break;
|
|
}
|
|
|
|
float fadeInVariable = 1.f;
|
|
if (!_disableFadeInDistance) {
|
|
float distCamera = static_cast<float>(glm::length(data.camera.positionVec3()));
|
|
const glm::vec2 fadeRange = _fadeInDistance;
|
|
const float a = 1.f / ((fadeRange.y - fadeRange.x) * scale);
|
|
const float b = -(fadeRange.x / (fadeRange.y - fadeRange.x));
|
|
const float funcValue = a * distCamera + b;
|
|
fadeInVariable *= funcValue > 1.f ? 1.f : funcValue;
|
|
|
|
if (funcValue < 0.01f) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
glm::dmat4 modelMatrix =
|
|
glm::translate(glm::dmat4(1.0), data.modelTransform.translation) * // Translation
|
|
glm::dmat4(data.modelTransform.rotation) * // Spice rotation
|
|
glm::scale(glm::dmat4(1.0), glm::dvec3(data.modelTransform.scale));
|
|
|
|
glm::dmat4 modelViewMatrix = data.camera.combinedViewMatrix() * modelMatrix;
|
|
glm::mat4 projectionMatrix = data.camera.projectionMatrix();
|
|
|
|
glm::dmat4 modelViewProjectionMatrix = glm::dmat4(projectionMatrix) * modelViewMatrix;
|
|
|
|
glm::dvec3 cameraViewDirectionWorld = -data.camera.viewDirectionWorldSpace();
|
|
glm::dvec3 cameraUpDirectionWorld = data.camera.lookUpVectorWorldSpace();
|
|
glm::dvec3 orthoRight = glm::normalize(
|
|
glm::cross(cameraUpDirectionWorld, cameraViewDirectionWorld)
|
|
);
|
|
if (orthoRight == glm::dvec3(0.0)) {
|
|
glm::dvec3 otherVector(
|
|
cameraUpDirectionWorld.y,
|
|
cameraUpDirectionWorld.x,
|
|
cameraUpDirectionWorld.z
|
|
);
|
|
orthoRight = glm::normalize(glm::cross(otherVector, cameraViewDirectionWorld));
|
|
}
|
|
glm::dvec3 orthoUp = glm::normalize(glm::cross(cameraViewDirectionWorld, orthoRight));
|
|
|
|
if (_hasSpeckFile && _drawElements) {
|
|
renderBillboards(
|
|
data,
|
|
modelMatrix,
|
|
orthoRight,
|
|
orthoUp,
|
|
fadeInVariable
|
|
);
|
|
}
|
|
|
|
if (_drawLabels && _hasLabel) {
|
|
renderLabels(
|
|
data,
|
|
modelViewProjectionMatrix,
|
|
orthoRight,
|
|
orthoUp,
|
|
fadeInVariable
|
|
);
|
|
}
|
|
}
|
|
|
|
void RenderableBillboardsCloud::update(const UpdateData&) {
|
|
ZoneScoped
|
|
|
|
if (_dataIsDirty && _hasSpeckFile) {
|
|
ZoneScopedN("Data dirty")
|
|
TracyGpuZone("Data dirty")
|
|
LDEBUG("Regenerating data");
|
|
|
|
createDataSlice();
|
|
|
|
int size = static_cast<int>(_slicedData.size());
|
|
|
|
if (_vao == 0) {
|
|
glGenVertexArrays(1, &_vao);
|
|
LDEBUG(fmt::format("Generating Vertex Array id '{}'", _vao));
|
|
}
|
|
if (_vbo == 0) {
|
|
glGenBuffers(1, &_vbo);
|
|
LDEBUG(fmt::format("Generating Vertex Buffer Object id '{}'", _vbo));
|
|
}
|
|
|
|
glBindVertexArray(_vao);
|
|
glBindBuffer(GL_ARRAY_BUFFER, _vbo);
|
|
glBufferData(
|
|
GL_ARRAY_BUFFER,
|
|
size * sizeof(float),
|
|
&_slicedData[0],
|
|
GL_STATIC_DRAW
|
|
);
|
|
GLint positionAttrib = _program->attributeLocation("in_position");
|
|
|
|
if (_hasColorMapFile && _hasDatavarSize) {
|
|
glEnableVertexAttribArray(positionAttrib);
|
|
glVertexAttribPointer(
|
|
positionAttrib,
|
|
4,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
sizeof(float) * 9,
|
|
nullptr
|
|
);
|
|
|
|
GLint colorMapAttrib = _program->attributeLocation("in_colormap");
|
|
glEnableVertexAttribArray(colorMapAttrib);
|
|
glVertexAttribPointer(
|
|
colorMapAttrib,
|
|
4,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
sizeof(float) * 9,
|
|
reinterpret_cast<void*>(sizeof(float) * 4)
|
|
);
|
|
|
|
GLint dvarScalingAttrib = _program->attributeLocation("in_dvarScaling");
|
|
glEnableVertexAttribArray(dvarScalingAttrib);
|
|
glVertexAttribPointer(
|
|
dvarScalingAttrib,
|
|
1,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
sizeof(float) * 9,
|
|
reinterpret_cast<void*>(sizeof(float) * 8)
|
|
);
|
|
}
|
|
else if (_hasColorMapFile) {
|
|
glEnableVertexAttribArray(positionAttrib);
|
|
glVertexAttribPointer(
|
|
positionAttrib,
|
|
4,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
sizeof(float) * 8,
|
|
nullptr
|
|
);
|
|
|
|
GLint colorMapAttrib = _program->attributeLocation("in_colormap");
|
|
glEnableVertexAttribArray(colorMapAttrib);
|
|
glVertexAttribPointer(
|
|
colorMapAttrib,
|
|
4,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
sizeof(float) * 8,
|
|
reinterpret_cast<void*>(sizeof(float) * 4)
|
|
);
|
|
}
|
|
else if (_hasDatavarSize) {
|
|
glEnableVertexAttribArray(positionAttrib);
|
|
glVertexAttribPointer(
|
|
positionAttrib,
|
|
4,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
sizeof(float) * 8,
|
|
nullptr
|
|
);
|
|
|
|
GLint dvarScalingAttrib = _program->attributeLocation("in_dvarScaling");
|
|
glEnableVertexAttribArray(dvarScalingAttrib);
|
|
glVertexAttribPointer(
|
|
dvarScalingAttrib,
|
|
1,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
sizeof(float) * 5,
|
|
reinterpret_cast<void*>(sizeof(float) * 4)
|
|
);
|
|
}
|
|
else {
|
|
glEnableVertexAttribArray(positionAttrib);
|
|
glVertexAttribPointer(
|
|
positionAttrib,
|
|
4,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
0,
|
|
nullptr
|
|
);
|
|
}
|
|
|
|
glBindVertexArray(0);
|
|
|
|
_dataIsDirty = false;
|
|
}
|
|
|
|
if (_hasSpriteTexture && _spriteTextureIsDirty && !_spriteTexturePath.value().empty())
|
|
{
|
|
ZoneScopedN("Sprite texture")
|
|
TracyGpuZone("Sprite texture")
|
|
|
|
ghoul::opengl::Texture* t = _spriteTexture;
|
|
|
|
unsigned int hash = ghoul::hashCRC32File(_spriteTexturePath);
|
|
|
|
_spriteTexture = DigitalUniverseModule::TextureManager.request(
|
|
std::to_string(hash),
|
|
[path = _spriteTexturePath]() -> std::unique_ptr<ghoul::opengl::Texture> {
|
|
LINFO(fmt::format("Loaded texture from '{}'", absPath(path)));
|
|
std::unique_ptr<ghoul::opengl::Texture> t =
|
|
ghoul::io::TextureReader::ref().loadTexture(absPath(path));
|
|
t->uploadTexture();
|
|
t->setFilter(ghoul::opengl::Texture::FilterMode::AnisotropicMipMap);
|
|
t->purgeFromRAM();
|
|
return t;
|
|
}
|
|
);
|
|
|
|
DigitalUniverseModule::TextureManager.release(t);
|
|
_spriteTextureIsDirty = false;
|
|
}
|
|
}
|
|
|
|
bool RenderableBillboardsCloud::loadData() {
|
|
bool success = true;
|
|
|
|
success &= loadSpeckData();
|
|
|
|
if (_hasColorMapFile) {
|
|
if (!_hasSpeckFile) {
|
|
success = true;
|
|
}
|
|
success &= readColorMapFile();
|
|
}
|
|
|
|
success &= loadLabelData();
|
|
|
|
return success;
|
|
}
|
|
|
|
bool RenderableBillboardsCloud::loadSpeckData() {
|
|
if (!_hasSpeckFile) {
|
|
return true;
|
|
}
|
|
bool success = true;
|
|
const std::string& cachedFile = FileSys.cacheManager()->cachedFilename(
|
|
ghoul::filesystem::File(_speckFile),
|
|
"RenderableDUMeshes|" + identifier(),
|
|
ghoul::filesystem::CacheManager::Persistent::Yes
|
|
);
|
|
|
|
const bool hasCachedFile = FileSys.fileExists(cachedFile);
|
|
if (hasCachedFile) {
|
|
LINFO(fmt::format(
|
|
"Cached file '{}' used for Speck file '{}'",
|
|
cachedFile, _speckFile
|
|
));
|
|
|
|
success = loadCachedFile(cachedFile);
|
|
if (success) {
|
|
return true;
|
|
}
|
|
else {
|
|
FileSys.cacheManager()->removeCacheFile(_speckFile);
|
|
// Intentional fall-through to the 'else' to generate the cache
|
|
// file for the next run
|
|
}
|
|
}
|
|
else {
|
|
LINFO(fmt::format("Cache for Speck file '{}' not found", _speckFile));
|
|
}
|
|
LINFO(fmt::format("Loading Speck file '{}'", _speckFile));
|
|
|
|
success = readSpeckFile();
|
|
if (!success) {
|
|
return false;
|
|
}
|
|
|
|
success &= saveCachedFile(cachedFile);
|
|
return success;
|
|
}
|
|
|
|
bool RenderableBillboardsCloud::loadLabelData() {
|
|
if (_labelFile.empty()) {
|
|
return true;
|
|
}
|
|
bool success = true;
|
|
// I disabled the cache as it didn't work on Mac --- abock
|
|
const std::string& cachedFile = FileSys.cacheManager()->cachedFilename(
|
|
ghoul::filesystem::File(_labelFile),
|
|
ghoul::filesystem::CacheManager::Persistent::Yes
|
|
);
|
|
if (!_hasSpeckFile && !_hasColorMapFile) {
|
|
success = true;
|
|
}
|
|
const bool hasCachedFile = FileSys.fileExists(cachedFile);
|
|
if (hasCachedFile) {
|
|
LINFO(fmt::format(
|
|
"Cached file '{}' used for Label file '{}'",
|
|
cachedFile, _labelFile
|
|
));
|
|
|
|
success &= loadCachedFile(cachedFile);
|
|
if (!success) {
|
|
FileSys.cacheManager()->removeCacheFile(_labelFile);
|
|
// Intentional fall-through to the 'else' to generate the cache
|
|
// file for the next run
|
|
}
|
|
}
|
|
else {
|
|
LINFO(fmt::format("Cache for Label file '{}' not found", _labelFile));
|
|
LINFO(fmt::format("Loading Label file '{}'", _labelFile));
|
|
|
|
success &= readLabelFile();
|
|
if (!success) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
bool RenderableBillboardsCloud::readSpeckFile() {
|
|
std::ifstream file(_speckFile);
|
|
if (!file.good()) {
|
|
LERROR(fmt::format("Failed to open Speck file '{}'", _speckFile));
|
|
return false;
|
|
}
|
|
|
|
_nValuesPerAstronomicalObject = 0;
|
|
|
|
// The beginning of the speck file has a header that either contains comments
|
|
// (signaled by a preceding '#') or information about the structure of the file
|
|
// (signaled by the keywords 'datavar', 'texturevar', and 'texture')
|
|
std::string line;
|
|
while (true) {
|
|
std::getline(file, line);
|
|
|
|
// Guard against wrong line endings (copying files from Windows to Mac) causes
|
|
// lines to have a final \r
|
|
if (!line.empty() && line.back() == '\r') {
|
|
line = line.substr(0, line.length() - 1);
|
|
}
|
|
|
|
if (line.empty() || line[0] == '#') {
|
|
continue;
|
|
}
|
|
|
|
if (line.substr(0, 7) != "datavar" &&
|
|
line.substr(0, 10) != "texturevar" &&
|
|
line.substr(0, 7) != "texture" &&
|
|
line.substr(0, 10) != "polyorivar" &&
|
|
line.substr(0, 10) != "maxcomment")
|
|
{
|
|
// Started reading data
|
|
break;
|
|
}
|
|
|
|
if (line.substr(0, 7) == "datavar") {
|
|
// datavar lines are structured as follows:
|
|
// datavar # description
|
|
// where # is the index of the data variable; so if we repeatedly overwrite
|
|
// the 'nValues' variable with the latest index, we will end up with the total
|
|
// number of values (+3 since X Y Z are not counted in the Speck file index)
|
|
std::stringstream str(line);
|
|
|
|
std::string dummy;
|
|
str >> dummy; // command
|
|
str >> _nValuesPerAstronomicalObject; // variable index
|
|
dummy.clear();
|
|
str >> dummy; // variable name
|
|
|
|
_variableDataPositionMap.insert({ dummy, _nValuesPerAstronomicalObject });
|
|
|
|
// We want the number, but the index is 0 based
|
|
_nValuesPerAstronomicalObject += 1;
|
|
}
|
|
}
|
|
|
|
_nValuesPerAstronomicalObject += 3; // X Y Z are not counted in the Speck file indices
|
|
|
|
|
|
|
|
do {
|
|
// Guard against wrong line endings (copying files from Windows to Mac) causes
|
|
// lines to have a final \r
|
|
if (!line.empty() && line.back() == '\r') {
|
|
line = line.substr(0, line.length() - 1);
|
|
}
|
|
|
|
if (line.empty()) {
|
|
std::getline(file, line);
|
|
continue;
|
|
}
|
|
else if (line[0] == '#') {
|
|
std::getline(file, line);
|
|
continue;
|
|
}
|
|
|
|
std::stringstream str(line);
|
|
std::vector<float> values(_nValuesPerAstronomicalObject);
|
|
|
|
for (int i = 0; i < _nValuesPerAstronomicalObject; ++i) {
|
|
str >> values[i];
|
|
}
|
|
|
|
_fullData.insert(_fullData.end(), values.begin(), values.end());
|
|
|
|
// reads new line
|
|
std::getline(file, line);
|
|
} while (!file.eof());
|
|
|
|
return true;
|
|
}
|
|
|
|
bool RenderableBillboardsCloud::readColorMapFile() {
|
|
std::string _file = _colorMapFile;
|
|
std::ifstream file(_file);
|
|
if (!file.good()) {
|
|
LERROR(fmt::format("Failed to open Color Map file '{}'", _file));
|
|
return false;
|
|
}
|
|
|
|
std::size_t numberOfColors = 0;
|
|
|
|
// The beginning of the speck file has a header that either contains comments
|
|
// (signaled by a preceding '#') or information about the structure of the file
|
|
// (signaled by the keywords 'datavar', 'texturevar', and 'texture')
|
|
std::string line;
|
|
while (true) {
|
|
// std::streampos position = file.tellg();
|
|
std::getline(file, line);
|
|
|
|
if (line[0] == '#' || line.empty()) {
|
|
continue;
|
|
}
|
|
|
|
// Initial number of colors
|
|
std::locale loc;
|
|
if (std::isdigit(line[0], loc)) {
|
|
std::string::size_type sz;
|
|
numberOfColors = std::stoi(line, &sz);
|
|
break;
|
|
}
|
|
else if (file.eof()) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < numberOfColors; ++i) {
|
|
std::getline(file, line);
|
|
std::stringstream str(line);
|
|
|
|
glm::vec4 color;
|
|
// Each color in the colormap must be defined as (R,G,B,A)
|
|
for (int j = 0; j < 4; ++j) {
|
|
str >> color[j];
|
|
}
|
|
|
|
_colorMapData.push_back(color);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool RenderableBillboardsCloud::readLabelFile() {
|
|
std::string _file = _labelFile;
|
|
std::ifstream file(_file);
|
|
if (!file.good()) {
|
|
LERROR(fmt::format("Failed to open Label file '{}'", _file));
|
|
return false;
|
|
}
|
|
|
|
// The beginning of the speck file has a header that either contains comments
|
|
// (signaled by a preceding '#') or information about the structure of the file
|
|
// (signaled by the keywords 'datavar', 'texturevar', and 'texture')
|
|
std::string line;
|
|
while (true) {
|
|
std::streampos position = file.tellg();
|
|
std::getline(file, line);
|
|
|
|
// Guard against wrong line endings (copying files from Windows to Mac) causes
|
|
// lines to have a final \r
|
|
if (!line.empty() && line.back() == '\r') {
|
|
line = line.substr(0, line.length() - 1);
|
|
}
|
|
|
|
if (line.empty() || line[0] == '#') {
|
|
continue;
|
|
}
|
|
|
|
if (line.substr(0, 9) != "textcolor") {
|
|
// we read a line that doesn't belong to the header, so we have to jump back
|
|
// before the beginning of the current line
|
|
file.seekg(position);
|
|
continue;
|
|
}
|
|
|
|
if (line.substr(0, 9) == "textcolor") {
|
|
// textcolor lines are structured as follows:
|
|
// textcolor # description
|
|
// where # is color text defined in configuration file
|
|
std::stringstream str(line);
|
|
|
|
// TODO: handle cases of labels with different colors
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
do {
|
|
std::vector<float> values(_nValuesPerAstronomicalObject);
|
|
|
|
std::getline(file, line);
|
|
|
|
// Guard against wrong line endings (copying files from Windows to Mac) causes
|
|
// lines to have a final \r
|
|
if (!line.empty() && line.back() == '\r') {
|
|
line = line.substr(0, line.length() - 1);
|
|
}
|
|
|
|
if (line.empty()) {
|
|
continue;
|
|
}
|
|
|
|
std::stringstream str(line);
|
|
|
|
glm::vec3 position = glm::vec3(0.f);
|
|
for (int j = 0; j < 3; ++j) {
|
|
str >> position[j];
|
|
}
|
|
|
|
std::string dummy;
|
|
str >> dummy; // text keyword
|
|
|
|
std::string label;
|
|
str >> label;
|
|
dummy.clear();
|
|
|
|
while (str >> dummy) {
|
|
if (dummy == "#") {
|
|
break;
|
|
}
|
|
|
|
label += " " + dummy;
|
|
dummy.clear();
|
|
}
|
|
|
|
glm::vec3 transformedPos = glm::vec3(
|
|
_transformationMatrix * glm::dvec4(position, 1.0)
|
|
);
|
|
_labelData.emplace_back(std::make_pair(transformedPos, label));
|
|
} while (!file.eof());
|
|
|
|
return true;
|
|
}
|
|
|
|
bool RenderableBillboardsCloud::loadCachedFile(const std::string& file) {
|
|
std::ifstream fileStream(file, std::ifstream::binary);
|
|
if (!fileStream.good()) {
|
|
LERROR(fmt::format("Error opening file '{}' for loading cache file", file));
|
|
return false;
|
|
}
|
|
int8_t version = 0;
|
|
fileStream.read(reinterpret_cast<char*>(&version), sizeof(int8_t));
|
|
if (version != CurrentCacheVersion) {
|
|
LINFO("The format of the cached file has changed: deleting old cache");
|
|
fileStream.close();
|
|
FileSys.deleteFile(file);
|
|
return false;
|
|
}
|
|
|
|
int32_t nValues = 0;
|
|
fileStream.read(reinterpret_cast<char*>(&nValues), sizeof(int32_t));
|
|
fileStream.read(
|
|
reinterpret_cast<char*>(&_nValuesPerAstronomicalObject),
|
|
sizeof(int32_t)
|
|
);
|
|
|
|
_fullData.resize(nValues);
|
|
fileStream.read(
|
|
reinterpret_cast<char*>(&_fullData[0]),
|
|
nValues * sizeof(_fullData[0])
|
|
);
|
|
|
|
if (_hasColorMapFile) {
|
|
int32_t nItems = 0;
|
|
fileStream.read(reinterpret_cast<char*>(&nItems), sizeof(int32_t));
|
|
|
|
for (int i = 0; i < nItems; ++i) {
|
|
int32_t keySize = 0;
|
|
fileStream.read(reinterpret_cast<char*>(&keySize), sizeof(int32_t));
|
|
std::vector<char> buffer(keySize);
|
|
fileStream.read(buffer.data(), keySize);
|
|
|
|
std::string key(buffer.begin(), buffer.end());
|
|
int32_t value = 0;
|
|
fileStream.read(reinterpret_cast<char*>(&value), sizeof(int32_t));
|
|
|
|
_variableDataPositionMap.insert({ key, value });
|
|
}
|
|
}
|
|
|
|
bool success = fileStream.good();
|
|
return success;
|
|
}
|
|
|
|
bool RenderableBillboardsCloud::saveCachedFile(const std::string& file) const {
|
|
std::ofstream fileStream(file, std::ofstream::binary);
|
|
if (!fileStream.good()) {
|
|
LERROR(fmt::format("Error opening file '{}' for save cache file", file));
|
|
return false;
|
|
}
|
|
fileStream.write(reinterpret_cast<const char*>(&CurrentCacheVersion), sizeof(int8_t));
|
|
|
|
int32_t nValues = static_cast<int32_t>(_fullData.size());
|
|
if (nValues == 0) {
|
|
LERROR("Error writing cache: No values were loaded");
|
|
return false;
|
|
}
|
|
fileStream.write(reinterpret_cast<const char*>(&nValues), sizeof(int32_t));
|
|
|
|
int32_t nValuesPerAstronomicalObject = static_cast<int32_t>(
|
|
_nValuesPerAstronomicalObject
|
|
);
|
|
fileStream.write(
|
|
reinterpret_cast<const char*>(&nValuesPerAstronomicalObject),
|
|
sizeof(int32_t)
|
|
);
|
|
|
|
size_t nBytes = nValues * sizeof(_fullData[0]);
|
|
fileStream.write(reinterpret_cast<const char*>(&_fullData[0]), nBytes);
|
|
|
|
if (_hasColorMapFile) {
|
|
int32_t nItems = static_cast<int32_t>(_variableDataPositionMap.size());
|
|
fileStream.write(reinterpret_cast<const char*>(&nItems), sizeof(int32_t));
|
|
|
|
for (const std::pair<const std::string, int>& pair : _variableDataPositionMap) {
|
|
int32_t keySize = static_cast<int32_t>(pair.first.size());
|
|
fileStream.write(reinterpret_cast<const char*>(&keySize), sizeof(int32_t));
|
|
fileStream.write(pair.first.data(), keySize);
|
|
int32_t value = static_cast<int32_t>(pair.second);
|
|
fileStream.write(reinterpret_cast<const char*>(&value), sizeof(int32_t));
|
|
}
|
|
}
|
|
|
|
return fileStream.good();
|
|
}
|
|
|
|
void RenderableBillboardsCloud::createDataSlice() {
|
|
ZoneScoped
|
|
|
|
_slicedData.clear();
|
|
if (_hasColorMapFile) {
|
|
_slicedData.reserve(8 * (_fullData.size() / _nValuesPerAstronomicalObject));
|
|
}
|
|
else {
|
|
_slicedData.reserve(4 * (_fullData.size() / _nValuesPerAstronomicalObject));
|
|
}
|
|
|
|
// what datavar in use for the index color
|
|
int colorMapInUse =
|
|
_hasColorMapFile ? _variableDataPositionMap[_colorOptionString] : 0;
|
|
|
|
// what datavar in use for the size scaling (if present)
|
|
int sizeScalingInUse = _hasDatavarSize ?
|
|
_variableDataPositionMap[_datavarSizeOptionString] : -1;
|
|
|
|
auto addDatavarSizeScalling = [&](size_t i, int datavarInUse) {
|
|
_slicedData.push_back(_fullData[i + 3 + datavarInUse]);
|
|
};
|
|
|
|
auto addPosition = [&](const glm::vec4 &pos) {
|
|
for (int j = 0; j < 4; ++j) {
|
|
_slicedData.push_back(pos[j]);
|
|
}
|
|
};
|
|
|
|
float minColorIdx = std::numeric_limits<float>::max();
|
|
float maxColorIdx = std::numeric_limits<float>::min();
|
|
|
|
for (size_t i = 0; i < _fullData.size(); i += _nValuesPerAstronomicalObject) {
|
|
float colorIdx = _fullData[i + 3 + colorMapInUse];
|
|
maxColorIdx = colorIdx >= maxColorIdx ? colorIdx : maxColorIdx;
|
|
minColorIdx = colorIdx < minColorIdx ? colorIdx : minColorIdx;
|
|
}
|
|
|
|
float biggestCoord = -1.f;
|
|
for (size_t i = 0; i < _fullData.size(); i += _nValuesPerAstronomicalObject) {
|
|
glm::dvec4 transformedPos = _transformationMatrix * glm::dvec4(
|
|
_fullData[i + 0],
|
|
_fullData[i + 1],
|
|
_fullData[i + 2],
|
|
1.0
|
|
);
|
|
// W-normalization
|
|
transformedPos /= transformedPos.w;
|
|
glm::vec4 position(glm::vec3(transformedPos), static_cast<float>(_unit));
|
|
|
|
if (_hasColorMapFile) {
|
|
for (int j = 0; j < 4; ++j) {
|
|
_slicedData.push_back(position[j]);
|
|
biggestCoord = biggestCoord < position[j] ? position[j] : biggestCoord;
|
|
}
|
|
|
|
// Note: if exact colormap option is not selected, the first color and the
|
|
// last color in the colormap file are the outliers colors.
|
|
int variableColor = static_cast<int>(_fullData[i + 3 + colorMapInUse]);
|
|
int colorIndex = 0;
|
|
|
|
float cmax, cmin;
|
|
if (_colorRangeData.empty()) {
|
|
cmax = maxColorIdx; // Max value of datavar used for the index color
|
|
cmin = minColorIdx; // Min value of datavar used for the index color
|
|
}
|
|
else {
|
|
glm::vec2 currentColorRange = _colorRangeData[_colorOption.value()];
|
|
cmax = currentColorRange.y;
|
|
cmin = currentColorRange.x;
|
|
}
|
|
|
|
if (_isColorMapExact) {
|
|
colorIndex = variableColor + cmin;
|
|
}
|
|
else {
|
|
float ncmap = static_cast<float>(_colorMapData.size());
|
|
float normalization = ((cmax != cmin) && (ncmap > 2)) ?
|
|
(ncmap - 2) / (cmax - cmin) : 0;
|
|
colorIndex = (variableColor - cmin) * normalization + 1;
|
|
colorIndex = colorIndex < 0 ? 0 : colorIndex;
|
|
colorIndex = colorIndex >= ncmap ? ncmap - 1 : colorIndex;
|
|
}
|
|
|
|
for (int j = 0; j < 4; ++j) {
|
|
_slicedData.push_back(_colorMapData[colorIndex][j]);
|
|
}
|
|
|
|
if (_hasDatavarSize) {
|
|
addDatavarSizeScalling(i, sizeScalingInUse);
|
|
}
|
|
}
|
|
else if (_hasDatavarSize) {
|
|
addDatavarSizeScalling(i, sizeScalingInUse);
|
|
addPosition(position);
|
|
}
|
|
else {
|
|
addPosition(position);
|
|
}
|
|
}
|
|
_fadeInDistance.setMaxValue(glm::vec2(10.f * biggestCoord));
|
|
}
|
|
|
|
void RenderableBillboardsCloud::createPolygonTexture() {
|
|
ZoneScoped
|
|
|
|
LDEBUG("Creating Polygon Texture");
|
|
|
|
glGenTextures(1, &_pTexture);
|
|
glBindTexture(GL_TEXTURE_2D, _pTexture);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
// Stopped using a buffer object for GL_PIXEL_UNPACK_BUFFER
|
|
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 256, 256, 0, GL_RGBA, GL_BYTE, nullptr);
|
|
|
|
renderToTexture(_pTexture, 256, 256);
|
|
}
|
|
|
|
void RenderableBillboardsCloud::renderToTexture(GLuint textureToRenderTo,
|
|
GLuint textureWidth, GLuint textureHeight)
|
|
{
|
|
LDEBUG("Rendering to Texture");
|
|
|
|
// Saves initial Application's OpenGL State
|
|
GLint defaultFBO;
|
|
GLint viewport[4];
|
|
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &defaultFBO);
|
|
glGetIntegerv(GL_VIEWPORT, viewport);
|
|
|
|
GLuint textureFBO;
|
|
glGenFramebuffers(1, &textureFBO);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, textureFBO);
|
|
GLenum drawBuffers[1] = { GL_COLOR_ATTACHMENT0 };
|
|
glDrawBuffers(1, drawBuffers);
|
|
|
|
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, textureToRenderTo, 0);
|
|
|
|
glViewport(viewport[0], viewport[1], textureWidth, textureHeight);
|
|
|
|
loadPolygonGeometryForRendering();
|
|
renderPolygonGeometry(_polygonVao);
|
|
|
|
// Restores Applications' OpenGL State
|
|
glBindFramebuffer(GL_FRAMEBUFFER, defaultFBO);
|
|
glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
|
|
|
|
glDeleteBuffers(1, &_polygonVbo);
|
|
glDeleteVertexArrays(1, &_polygonVao);
|
|
glDeleteFramebuffers(1, &textureFBO);
|
|
}
|
|
|
|
void RenderableBillboardsCloud::loadPolygonGeometryForRendering() {
|
|
glGenVertexArrays(1, &_polygonVao);
|
|
glGenBuffers(1, &_polygonVbo);
|
|
glBindVertexArray(_polygonVao);
|
|
glBindBuffer(GL_ARRAY_BUFFER, _polygonVbo);
|
|
|
|
const GLfloat vertex_data[] = {
|
|
// x y z w
|
|
0.f, 0.f, 0.f, 1.f,
|
|
};
|
|
|
|
glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data, GL_STATIC_DRAW);
|
|
glVertexAttribPointer(
|
|
0,
|
|
4,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
sizeof(GLfloat) * 4,
|
|
nullptr
|
|
);
|
|
glEnableVertexAttribArray(0);
|
|
glBindVertexArray(0);
|
|
}
|
|
|
|
void RenderableBillboardsCloud::renderPolygonGeometry(GLuint vao) {
|
|
std::unique_ptr<ghoul::opengl::ProgramObject> program =
|
|
ghoul::opengl::ProgramObject::Build(
|
|
"RenderableBillboardsCloud_Polygon",
|
|
absPath("${MODULE_DIGITALUNIVERSE}/shaders/billboardpolygon_vs.glsl"),
|
|
absPath("${MODULE_DIGITALUNIVERSE}/shaders/billboardpolygon_fs.glsl"),
|
|
absPath("${MODULE_DIGITALUNIVERSE}/shaders/billboardpolygon_gs.glsl")
|
|
);
|
|
|
|
program->activate();
|
|
static const float black[] = { 0.f, 0.f, 0.f, 0.f };
|
|
glClearBufferfv(GL_COLOR, 0, black);
|
|
|
|
program->setUniform("sides", _polygonSides);
|
|
program->setUniform("polygonColor", _pointColor);
|
|
|
|
glBindVertexArray(vao);
|
|
glDrawArrays(GL_POINTS, 0, 1);
|
|
glBindVertexArray(0);
|
|
|
|
program->deactivate();
|
|
}
|
|
|
|
} // namespace openspace
|