FGFS-4.1/OpenSceneGraph
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adapt SSBO example for ComputeDispatch

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but have strange runtime errors:
0(100) : error C7623: implicit narrowing of type from "vec3" to "float"
0(108) : error C7623: implicit narrowing of type from "vec3" to "float"
This commit is contained in:
Julien Valentin 2017-11-28 20:03:40 +01:00
parent 195df4f811
commit 994c38c0c7
1 changed files with 5 additions and 2 deletions
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7
examples/osgSSBO/osgSSBO.cpp
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@ -10,7 +10,7 @@
#include <osg/StateAttributeCallback>
#include <osg/Texture2D>
#include <osg/Geometry>
#include <osg/Geode>
#include <osg/ComputeDispatch>
#include <osgDB/ReadFile>
#include <osgGA/StateSetManipulator>
#include <osgViewer/Viewer>
@ -167,6 +167,7 @@ class ComputeNode : public osg::PositionAttitudeTransform
public:
osg::ref_ptr<osg::ComputeDispatch> _computeDispatch;
osg::ref_ptr<osg::Program> _computeProgram;
osg::ref_ptr<osg::Shader> _computeShader; //compute and write position data in SSBO
@ -204,6 +205,8 @@ public:
_vertexShaderSourcePath = "shaders/osgssboVertexShader.vs";
_geometryShaderSourcePath = "shaders/osgssboGeometryShader.gs";
_fragmentShaderSourcePath = "shaders/osgssboFragmentShader.fs";
_computeDispatch=new osg::ComputeDispatch();
addChild(_computeDispatch);
}
};
@ -622,7 +625,7 @@ void ComputeNode::initComputingSetup()
{
_computeProgram = new osg::Program;
_computeProgram->setComputeGroups((NUM_ELEMENTS_X / WORK_GROUP_SIZE) <= 1 ? 1 : (NUM_ELEMENTS_X / WORK_GROUP_SIZE), (NUM_ELEMENTS_Y / WORK_GROUP_SIZE) <= 1 ? 1 : (NUM_ELEMENTS_Y / WORK_GROUP_SIZE), 1);
_computeDispatch->setComputeGroups((NUM_ELEMENTS_X / WORK_GROUP_SIZE) <= 1 ? 1 : (NUM_ELEMENTS_X / WORK_GROUP_SIZE), (NUM_ELEMENTS_Y / WORK_GROUP_SIZE) <= 1 ? 1 : (NUM_ELEMENTS_Y / WORK_GROUP_SIZE), 1);
_computeShader = osgDB::readRefShaderFile(osg::Shader::COMPUTE, _computeShaderSourcePath);
_computeProgram->addShader(_computeShader.get());