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Code Issues Releases Wiki Activity

Add the debug HUD to the new shadow technique

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This commit is contained in:
AnyOldName3 2018-02-26 20:20:01 +00:00
parent 76f23c28b1
commit 5d719e9d5f
2 changed files with 76 additions and 16 deletions
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71
components/sceneutil/mwshadowtechnique.cpp
View file

@ -20,7 +20,7 @@
#include <osgShadow/ShadowedScene>
#include <osg/CullFace>
#include <osg/Geode>
#include <osg/Geometry>
#include <osg/io_utils>
#include <sstream>
@ -1043,21 +1043,8 @@ void MWShadowTechnique::cull(osgUtil::CullVisitor& cv)
previous_sdl.erase(previous_sdl.begin());
}
/* TODO: if (debugHud)
{
osg::ref_ptr<osg::Texture2D> texture = sd->_texture;
osg::ref_ptr<osg::StateSet> stateSet = debugGeometry[sm_i]->getOrCreateStateSet();
stateSet->setTextureAttributeAndModes(debugTextureUnit, texture, osg::StateAttribute::ON);
unsigned int traversalMask = cv.getTraversalMask();
cv.setTraversalMask(debugGeometry[sm_i]->getNodeMask());
cv.pushStateSet(stateSet);
debugCameras[sm_i]->accept(cv);
cv.popStateSet();
cv.setTraversalMask(traversalMask);
cv.getState()->setCheckForGLErrors(osg::State::ONCE_PER_ATTRIBUTE);
}*/
if (_debugHud)
_debugHud->draw(sd->_texture, sm_i, cv);
osg::ref_ptr<osg::Camera> camera = sd->_camera;
@ -2566,4 +2553,56 @@ void MWShadowTechnique::releaseGLObjects(osg::State* state) const
vdd->releaseGLObjects(state);
}
}
if (_debugHud)
_debugHud->releaseGLObjects(state);
}
SceneUtil::MWShadowTechnique::DebugHUD::DebugHUD(int numberOfShadowMapsPerLight)
{
osg::ref_ptr<osg::Shader> vertexShader = new osg::Shader(osg::Shader::VERTEX, debugVertexShaderSource);
mDebugProgram->addShader(vertexShader);
osg::ref_ptr<osg::Shader> fragmentShader = new osg::Shader(osg::Shader::FRAGMENT, debugFragmentShaderSource);
mDebugProgram->addShader(fragmentShader);
for (int i = 0; i < numberOfShadowMapsPerLight; ++i)
{
mDebugCameras.push_back(new osg::Camera);
mDebugCameras[i]->setViewport(200 * i, 0, 200, 200);
mDebugCameras[i]->setRenderOrder(osg::Camera::POST_RENDER);
mDebugCameras[i]->setClearColor(osg::Vec4(1.0, 1.0, 0.0, 1.0));
mDebugGeometry.push_back(osg::createTexturedQuadGeometry(osg::Vec3(-1, -1, 0), osg::Vec3(2, 0, 0), osg::Vec3(0, 2, 0)));
mDebugGeometry[i]->setCullingActive(false);
mDebugCameras[i]->addChild(mDebugGeometry[i]);
osg::ref_ptr<osg::StateSet> stateSet = mDebugGeometry[i]->getOrCreateStateSet();
stateSet->setAttributeAndModes(mDebugProgram, osg::StateAttribute::ON);
osg::ref_ptr<osg::Uniform> textureUniform = new osg::Uniform("texture", sDebugTextureUnit);
//textureUniform->setType(osg::Uniform::SAMPLER_2D);
stateSet->addUniform(textureUniform.get());
}
}
void SceneUtil::MWShadowTechnique::DebugHUD::draw(osg::ref_ptr<osg::Texture2D> texture, unsigned int shadowMapNumber, osgUtil::CullVisitor& cv)
{
osg::ref_ptr<osg::StateSet> stateSet = mDebugGeometry[shadowMapNumber]->getOrCreateStateSet();
stateSet->setTextureAttributeAndModes(sDebugTextureUnit, texture, osg::StateAttribute::ON);
// Some of these calls may be superfluous.
unsigned int traversalMask = cv.getTraversalMask();
cv.setTraversalMask(mDebugGeometry[shadowMapNumber]->getNodeMask());
cv.pushStateSet(stateSet);
mDebugCameras[shadowMapNumber]->accept(cv);
cv.popStateSet();
cv.setTraversalMask(traversalMask);
// cv.getState()->setCheckForGLErrors(osg::State::ONCE_PER_ATTRIBUTE);
}
void SceneUtil::MWShadowTechnique::DebugHUD::releaseGLObjects(osg::State* state) const
{
for (auto const& camera : mDebugCameras)
camera->releaseGLObjects(state);
mDebugProgram->releaseGLObjects(state);
for (auto const& node : mDebugGeometry)
node->releaseGLObjects(state);
}

21
components/sceneutil/mwshadowtechnique.hpp
View file

@ -227,6 +227,27 @@ namespace SceneUtil {
osg::ref_ptr<osg::Program> _program;
bool _enableShadows;
// TODO: actually construct this
class DebugHUD : public osg::Referenced
{
public:
DebugHUD(int numberOfShadowMapsPerLight);
void draw();
virtual void draw(osg::ref_ptr<osg::Texture2D> texture, unsigned int shadowMapNumber, osgUtil::CullVisitor& cv);
virtual void releaseGLObjects(osg::State* state = 0) const;
protected:
static const int sDebugTextureUnit;
std::vector<osg::ref_ptr<osg::Camera>> mDebugCameras;
osg::ref_ptr<osg::Program> mDebugProgram;
std::vector<osg::ref_ptr<osg::Node>> mDebugGeometry;
};
osg::ref_ptr<DebugHUD> _debugHud;
};
}