FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added 4x4 grid of images, currently repeating each row 4 times as step towards full 4x4 rendering.

Browse Source
This commit is contained in:
Robert Osfield 2020-12-29 18:28:17 +00:00
parent f027c4c420
commit 0feeb79d05
2 changed files with 30 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
examples/osgmultiviewOVR/Leia.cpp
View File

@ -198,31 +198,32 @@ osg::ref_ptr<osg::Node> Leia::createLeiaMesh(const osg::Vec3& origin, const osg:
osg::Vec4Array* colors = new osg::Vec4Array;
colors->push_back(osg::Vec4(1.0, 1.0, 0.0, 1.0));
// left hand side
vertices->push_back(origin); texcoords->push_back(osg::Vec3(0.0f, 0.0f, 0.0f));
vertices->push_back(origin + widthVector*0.5f); texcoords->push_back(osg::Vec3(1.0f, 0.0f, 0.0f));
vertices->push_back(origin + widthVector*0.5f +heightVector); texcoords->push_back(osg::Vec3(1.0f, 1.0f, 0.0f));
vertices->push_back(origin + heightVector); texcoords->push_back(osg::Vec3(0.0f, 1.0f, 0.0f));
for(uint32_t row = 0; row<4; ++row)
{
for(uint32_t column = 0; column<4; ++column)
{
uint16_t base = static_cast<uint16_t>(vertices->size());
elements->push_back(0);
elements->push_back(1);
elements->push_back(2);
elements->push_back(2);
elements->push_back(3);
elements->push_back(0);
vertices->push_back(origin + widthVector*static_cast<float>(column)*0.25f + heightVector*static_cast<float>(row)*0.25f);
texcoords->push_back(osg::Vec3(0.0f, 0.0f, static_cast<float>(column)));
// right hand side
vertices->push_back(origin + widthVector*0.5f); texcoords->push_back(osg::Vec3(0.0f, 0.0f, 1.0f));
vertices->push_back(origin + widthVector); texcoords->push_back(osg::Vec3(1.0f, 0.0f, 1.0f));
vertices->push_back(origin + widthVector +heightVector); texcoords->push_back(osg::Vec3(1.0f, 1.0f, 1.0f));
vertices->push_back(origin + widthVector*0.5f + heightVector); texcoords->push_back(osg::Vec3(0.0f, 1.0f, 1.0f));
vertices->push_back(origin + widthVector*static_cast<float>(column+1)*0.25f + heightVector*static_cast<float>(row)*0.25f);
texcoords->push_back(osg::Vec3(1.0f, 0.0f, static_cast<float>(column)));
elements->push_back(4);
elements->push_back(5);
elements->push_back(6);
elements->push_back(6);
elements->push_back(7);
elements->push_back(4);
vertices->push_back(origin + widthVector*static_cast<float>(column+1)*0.25f + heightVector*static_cast<float>(row+1)*0.25f);
texcoords->push_back(osg::Vec3(1.0f, 1.0f, static_cast<float>(column)));
vertices->push_back(origin + widthVector*static_cast<float>(column)*0.25f + heightVector*static_cast<float>(row+1)*0.25f);
texcoords->push_back(osg::Vec3(0.0f, 1.0f, static_cast<float>(column)));
elements->push_back(base + 0);
elements->push_back(base + 1);
elements->push_back(base + 2);
elements->push_back(base + 2);
elements->push_back(base + 3);
elements->push_back(base + 0);
}
}
geometry->setVertexArray(vertices);
geometry->setColorArray(colors, osg::Array::BIND_OVERALL);
@ -281,7 +282,7 @@ void Leia::configure(osgViewer::View& view) const
osg::Texture2DArray* color_texture = new osg::Texture2DArray;
color_texture->setTextureSize(tex_width, tex_height, 2);
color_texture->setTextureSize(tex_width, tex_height, 4);
color_texture->setInternalFormat(GL_RGBA);
color_texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR);
color_texture->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR);
@ -291,7 +292,7 @@ void Leia::configure(osgViewer::View& view) const
osg::Texture2DArray* depth_texture = new osg::Texture2DArray;
depth_texture->setTextureSize(tex_width, tex_height, 2);
depth_texture->setTextureSize(tex_width, tex_height, 4);
depth_texture->setInternalFormat(GL_DEPTH_COMPONENT);
depth_texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR);
depth_texture->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR);
@ -341,8 +342,10 @@ void Leia::configure(osgViewer::View& view) const
osg::StateSet* stateset = camera->getOrCreateStateSet();
{
// set up the projection and view matrix uniforms
ifc->projectionMatrices.push_back(camera->getProjectionMatrix());
ifc->projectionMatrices.push_back(camera->getProjectionMatrix());
ifc->projectionMatrices.push_back(camera->getProjectionMatrix()*osg::Matrixd::translate(-0.2, 0.0, 0.0));
ifc->projectionMatrices.push_back(camera->getProjectionMatrix()*osg::Matrixd::translate(-0.1, 0.0, 0.0));
ifc->projectionMatrices.push_back(camera->getProjectionMatrix()*osg::Matrixd::translate(0.1, 0.0, 0.0));
ifc->projectionMatrices.push_back(camera->getProjectionMatrix()*osg::Matrixd::translate(0.2, 0.0, 0.0));
ifc->computeClipSpaceBound(*camera);

2
examples/osgmultiviewOVR/leia.vert
View File

@ -1,7 +1,7 @@
#version 330
#extension GL_OVR_multiview2 : enable
#define NUM_VIEWS 2
#define NUM_VIEWS 4
layout(num_views = NUM_VIEWS) in;