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initial work to get lines in

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lines need the same synchronisation system as the other primitives

This two points are there because if I resize to 0 it crashes, si I need a pice of line at 0.,0.,0. so there is no crash.Not ideal

Lines are colored

didn't commit updated shader file
This commit is contained in:
florent.teppe 2022-08-28 14:52:21 +02:00
parent 80c97e48bf
commit 12b3424dd7
3 changed files with 111 additions and 8 deletions
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101
apps/openmw/mwrender/debugdraw.cpp
View file

@ -245,13 +245,25 @@ namespace MWRenderDebug
osg::Uniform* uTrans = const_cast<osg::Uniform*>( stateSet->getUniform("trans"));
osg::Uniform* uCol = const_cast<osg::Uniform*>( stateSet->getUniform("passColor"));
osg::Uniform* uScale = const_cast<osg::Uniform*>( stateSet->getUniform("scale"));
osg::Uniform* uUseNormalAsColor = const_cast<osg::Uniform*>( stateSet->getUniform("useNormalAsColor"));
auto transLocation = pcp->getUniformLocation(uTrans->getNameID() );
auto colLocation = pcp->getUniformLocation(uCol->getNameID() );
auto scaleLocation = pcp->getUniformLocation(uScale->getNameID() );
auto normalAsColorLocation = pcp->getUniformLocation(uUseNormalAsColor->getNameID() );
ext->glUniform3f(transLocation, 0., 0., 0.);
ext->glUniform3f(colLocation, 1., 1., 1.);
ext->glUniform3f(scaleLocation, 1., 1., 1.);
ext->glUniform1i(normalAsColorLocation, 1);
mlinesToDraw->drawImplementation(renderInfo);
ext->glUniform1i(normalAsColorLocation, 0);
for (const auto& shapeToDraw : mShapsToDraw)
{
osg::Vec3f translation = shapeToDraw.mPosition;
@ -284,6 +296,64 @@ namespace MWRenderDebug
}
}
struct DebugLines
{
static void makeLineInstance( osg::Geometry& lines)
{
auto vertices = new osg::Vec3Array;
auto color = new osg::Vec3Array;
for (int i = 0; i < 2; i++)
{
vertices->push_back(osg::Vec3());
vertices->push_back(osg::Vec3(0., 0., 0.));
color->push_back(osg::Vec3(1., 1., 1.));
color->push_back(osg::Vec3(1., 1., 1.));
}
lines.setUseVertexArrayObject(true);
lines.setUseDisplayList(false);
lines.setCullingActive(false);
lines.setVertexAttribArray(0, vertices, osg::Array::BIND_PER_VERTEX);
lines.setVertexAttribArray(1, color, osg::Array::BIND_PER_VERTEX);
lines.addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::LINES, 0, vertices->size()));
//lines.setStateSet(stateSet->clone(osg::CopyOp::DEEP_COPY_ALL)->asStateSet());
}
DebugLines()
{
mLinesWrite = new osg::Geometry();
mLinesRead = new osg::Geometry();
makeLineInstance(*mLinesRead);
makeLineInstance(*mLinesWrite);
}
void update(std::mutex& mutex)
{
mLinesWrite->removePrimitiveSet(0, 1);
mLinesWrite->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::LINES, 0,static_cast<osg::Vec3Array*>(mLinesWrite->getVertexAttribArray(0))->size()));
{
auto lock = std::scoped_lock(mutex);
mLinesWrite.swap(mLinesRead);
}
static_cast<osg::Vec3Array*>(mLinesWrite->getVertexAttribArray(0))->resize(2, osg::Vec3());
static_cast<osg::Vec3Array*>(mLinesWrite->getVertexAttribArray(1))->resize(2, osg::Vec3());
}
osg::ref_ptr<osg::Geometry> mLinesWrite;
osg::ref_ptr<osg::Geometry> mLinesRead;
};
}
MWRenderDebug::DebugDrawer::DebugDrawer(MWRender::RenderingManager& renderingManager,osg::ref_ptr<osg::Group> parentNode)
@ -293,14 +363,17 @@ MWRenderDebug::DebugDrawer::DebugDrawer(MWRender::RenderingManager& renderingMan
auto fragmentShader = shaderManager.getShader("debugDraw_fragment.glsl", Shader::ShaderManager::DefineMap(), osg::Shader::Type::FRAGMENT);
auto program = shaderManager.getProgram(vertexShader, fragmentShader);
mcustomCubesDrawer = new CubeCustomDraw(mShapesToDrawRead, mDrawCallMutex);
mDebugLines = std::make_unique<DebugLines>();
mcustomCubesDrawer = new CubeCustomDraw(mShapesToDrawRead,mDebugLines->mLinesRead, mDrawCallMutex);
mDebugDrawSceneObjects = new osg::Group;
mDebugDrawSceneObjects->setCullingActive(false);
osg::StateSet* stateset = mDebugDrawSceneObjects->getOrCreateStateSet();
stateset->addUniform(new osg::Uniform("passColor", osg::Vec3f(1., 1., 1.)));
stateset->addUniform(new osg::Uniform("trans", osg::Vec3f(1., 1., 1.)));
stateset->addUniform(new osg::Uniform("trans", osg::Vec3f(0., 0., 0.)));
stateset->addUniform(new osg::Uniform("scale", osg::Vec3f(1., 1., 1.)));
stateset->addUniform(new osg::Uniform("useNormalAsColor", 0));
stateset->setAttributeAndModes(program, osg::StateAttribute::ON);
stateset->setMode(GL_DEPTH_TEST, GL_TRUE);
stateset->setMode(GL_CULL_FACE, GL_TRUE);
@ -322,12 +395,18 @@ MWRenderDebug::DebugDrawer::DebugDrawer(MWRender::RenderingManager& renderingMan
wireCube->setUseVertexBufferObjects(true);
generateWireCube(*wireCube, 1.);
mcustomCubesDrawer->mWireCubeGeometry = wireCube;
mcustomCubesDrawer->setStateSet( stateset);
mDebugDrawSceneObjects->addChild(mcustomCubesDrawer);
parentNode->addChild(mDebugDrawSceneObjects);
}
MWRenderDebug::DebugDrawer::~DebugDrawer()
{
}
void MWRenderDebug::DebugDrawer::update()
{
{
@ -335,6 +414,7 @@ void MWRenderDebug::DebugDrawer::update()
mShapesToDrawRead.swap(mShapesToDrawWrite);
}
mShapesToDrawWrite.clear();
mDebugLines->update(mDrawCallMutex);
}
void MWRenderDebug::DebugDrawer::drawCube(osg::Vec3f mPosition, osg::Vec3f mDims, osg::Vec3f mColor)
@ -353,3 +433,18 @@ void MWRenderDebug::DebugDrawer::addDrawCall(const DrawCall& draw)
{
mShapesToDrawWrite.push_back(draw);
}
void MWRenderDebug::DebugDrawer::addLine(const osg::Vec3& start, const osg::Vec3& end, const osg::Vec3 color)
{
auto vertices = static_cast<osg::Vec3Array*>(mDebugLines->mLinesWrite->getVertexAttribArray(0));
auto colors = static_cast<osg::Vec3Array*>(mDebugLines->mLinesWrite->getVertexAttribArray(1));
vertices->push_back(start);
vertices->push_back(end);
vertices->dirty();
colors->push_back(color);
colors->push_back(color);
colors->dirty();
}

13
apps/openmw/mwrender/debugdraw.hpp
View file

@ -43,9 +43,10 @@ namespace MWRenderDebug
class CubeCustomDraw : public osg::Drawable
{
public:
CubeCustomDraw( std::vector<DrawCall>& cubesToDraw,std::mutex& mutex) : mShapsToDraw(cubesToDraw),mDrawCallMutex(mutex) {}
CubeCustomDraw( std::vector<DrawCall>& cubesToDraw,osg::ref_ptr<osg::Geometry>& linesToDraw ,std::mutex& mutex) : mShapsToDraw(cubesToDraw),mlinesToDraw(linesToDraw), mDrawCallMutex(mutex) {}
std::vector<DrawCall>& mShapsToDraw;
osg::ref_ptr<osg::Geometry>& mlinesToDraw;
std::mutex& mDrawCallMutex;
@ -63,17 +64,23 @@ namespace MWRenderDebug
};
struct DebugLines;
struct DebugDrawer
{
DebugDrawer(MWRender::RenderingManager& manager,osg::ref_ptr<osg::Group> parentNode);
~DebugDrawer();
void update();
void drawCube(osg::Vec3f mPosition, osg::Vec3f mDims = osg::Vec3(50.,50.,50.), osg::Vec3f mColor = osg::Vec3(1.,1.,1.));
void drawCubeMinMax(osg::Vec3f min, osg::Vec3f max, osg::Vec3f mColor = osg::Vec3(1.,1.,1.));
void drawCube(osg::Vec3f mPosition, osg::Vec3f mDims = osg::Vec3(50.,50.,50.), osg::Vec3f mColor = colorWhite);
void drawCubeMinMax(osg::Vec3f min, osg::Vec3f max, osg::Vec3f mColor = colorWhite);
void addDrawCall(const DrawCall& draw);
void addLine(const osg::Vec3& start, const osg::Vec3& end, const osg::Vec3 color = colorWhite);
private:
std::unique_ptr<DebugLines> mDebugLines;
std::vector<DrawCall> mShapesToDrawRead;
std::vector<DrawCall> mShapesToDrawWrite;
std::mutex mDrawCallMutex;

5
files/shaders/debugDraw_vertex.glsl
View file

@ -11,6 +11,7 @@ uniform mat4 projectionMatrix;
uniform vec3 passColor;
uniform vec3 trans;
uniform vec3 scale;
uniform int useNormalAsColor;
layout (location = 0) in vec3 aPos;
layout (location = 1) in vec3 aNormal;
@ -22,6 +23,6 @@ void main()
{
gl_Position = projectionMatrix * gl_ModelViewMatrix * vec4(aPos * scale + trans, 1.);
vertexNormal = aNormal;
vertexColor = passColor.xyz;
vertexNormal = useNormalAsColor == 1? vec3(1.,1.,1.) : aNormal ;
vertexColor = useNormalAsColor == 1? aNormal : passColor.xyz;
}