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Code Issues Releases Wiki Activity

refactor and fix wobbly shores

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pull/3097/head
glassmancody.info 3 years ago
parent cad0b151cb
commit 09e03fde2e
45 changed files with 256 additions and 239 deletions
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1
CHANGELOG.md
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@ -40,6 +40,7 @@
Feature #6017: Separate persistent and temporary cell references when saving
Feature #6032: Reverse-z depth buffer
Feature #6162: Refactor GUI to use shaders and to be GLES and GL3+ friendly
Feature #6199: Support FBO Rendering
0.47.0
------

1
apps/opencs/model/world/data.cpp
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@ -84,6 +84,7 @@ CSMWorld::Data::Data (ToUTF8::FromType encoding, bool fsStrict, const Files::Pat
defines["preLightEnv"] = "0"; // Apply environment maps after lighting like Morrowind
defines["radialFog"] = "0";
defines["lightingModel"] = "0";
defines["reverseZ"] = "0";
for (const auto& define : shadowDefines)
defines[define.first] = define.second;
mResourceSystem->getSceneManager()->getShaderManager().setGlobalDefines(defines);

2
apps/opencs/view/render/cellwater.cpp
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@ -161,7 +161,7 @@ namespace CSVRender
}
mWaterGeometry = SceneUtil::createWaterGeometry(size, segments, textureRepeats);
mWaterGeometry->setStateSet(SceneUtil::createSimpleWaterStateSet(Alpha, RenderBin, false));
mWaterGeometry->setStateSet(SceneUtil::createSimpleWaterStateSet(Alpha, RenderBin));
// Add water texture
std::string textureName = Fallback::Map::getString("Water_SurfaceTexture");

5
apps/openmw/mwgui/bookpage.cpp
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@ -8,12 +8,11 @@
#include "MyGUI_FactoryManager.h"
#include <components/misc/utf8stream.hpp>
#include <components/sceneutil/util.hpp>
#include "../mwbase/environment.hpp"
#include "../mwbase/windowmanager.hpp"
#include "../mwrender/util.hpp"
namespace MWGui
{
struct TypesetBookImpl;
@ -1219,7 +1218,7 @@ public:
RenderXform renderXform (mCroppedParent, textFormat.mRenderItem->getRenderTarget()->getInfo());
float z = MWRender::getReverseZ() ? 1.f : -1.f;
float z = SceneUtil::getReverseZ() ? 1.f : -1.f;
GlyphStream glyphStream(textFormat.mFont, static_cast<float>(mCoord.left), static_cast<float>(mCoord.top - mViewTop),
z /*mNode->getNodeDepth()*/, vertices, renderXform);

2
apps/openmw/mwgui/savegamedialog.cpp
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@ -450,7 +450,7 @@ namespace MWGui
osg::ref_ptr<osg::Texture2D> texture (new osg::Texture2D);
texture->setImage(result.getImage());
texture->setInternalFormat(GL_RGBA);
texture->setInternalFormat(GL_RGB);
texture->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
texture->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
texture->setFilter(osg::Texture::MIN_FILTER, osg::Texture::LINEAR);

1
apps/openmw/mwgui/windowmanagerimp.cpp
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@ -35,6 +35,7 @@
#include <components/resource/resourcesystem.hpp>
#include <components/resource/imagemanager.hpp>
#include <components/resource/scenemanager.hpp>
#include <components/sceneutil/workqueue.hpp>

11
apps/openmw/mwrender/bulletdebugdraw.cpp
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@ -4,13 +4,13 @@
#include <osg/Geometry>
#include <osg/Group>
#include <osg/Material>
#include <components/debug/debuglog.hpp>
#include <components/misc/convert.hpp>
#include <osg/PolygonMode>
#include <osg/ShapeDrawable>
#include <osg/StateSet>
#include <osg/Fog>
#include "bulletdebugdraw.hpp"
#include "vismask.hpp"
@ -18,8 +18,6 @@
#include <components/resource/resourcesystem.hpp>
#include <components/resource/scenemanager.hpp>
#include <components/sceneutil/util.hpp>
#include "../mwbase/world.hpp"
#include "../mwbase/environment.hpp"
@ -39,6 +37,7 @@ void DebugDrawer::createGeometry()
{
mGeometry = new osg::Geometry;
mGeometry->setNodeMask(Mask_Debug);
mVertices = new osg::Vec3Array;
mColors = new osg::Vec4Array;
@ -50,8 +49,10 @@ void DebugDrawer::createGeometry()
mGeometry->setColorBinding(osg::Geometry::BIND_PER_VERTEX);
mGeometry->setDataVariance(osg::Object::DYNAMIC);
mGeometry->addPrimitiveSet(mDrawArrays);
// make this friendly to recreateShaders()
mGeometry->setStateSet(new osg::StateSet);
osg::ref_ptr<osg::Material> material = new osg::Material;
material->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
mGeometry->getOrCreateStateSet()->setAttribute(material);
mParentNode->addChild(mGeometry);

2
apps/openmw/mwrender/globalmap.cpp
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@ -325,7 +325,7 @@ namespace MWRender
if (texture)
{
osg::ref_ptr<osg::Geometry> geom = createTexturedQuad(srcLeft, srcTop, srcRight, srcBottom);
auto depth = SceneUtil::createDepth(getReverseZ());
auto depth = SceneUtil::createDepth();
depth->setWriteMask(0);
osg::StateSet* stateset = geom->getOrCreateStateSet();
stateset->setAttribute(depth);

12
apps/openmw/mwrender/localmap.cpp
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@ -178,7 +178,7 @@ osg::ref_ptr<osg::Camera> LocalMap::createOrthographicCamera(float x, float y, f
{
osg::ref_ptr<osg::Camera> camera (new osg::Camera);
if (getReverseZ())
if (SceneUtil::getReverseZ())
camera->setProjectionMatrix(SceneUtil::getReversedZProjectionMatrixAsOrtho(-width/2, width/2, -height/2, height/2, 5, (zmax-zmin) + 10));
else
camera->setProjectionMatrixAsOrtho(-width/2, width/2, -height/2, height/2, 5, (zmax-zmin) + 10);
@ -201,12 +201,10 @@ osg::ref_ptr<osg::Camera> LocalMap::createOrthographicCamera(float x, float y, f
osg::ref_ptr<osg::StateSet> stateset = new osg::StateSet;
stateset->setAttribute(new osg::PolygonMode(osg::PolygonMode::FRONT_AND_BACK, osg::PolygonMode::FILL), osg::StateAttribute::OVERRIDE);
if (getReverseZ())
{
camera->setClearDepth(0.0);
auto depth = SceneUtil::createDepth(true);
stateset->setAttributeAndModes(depth, osg::StateAttribute::ON|osg::StateAttribute::OVERRIDE);
}
if (SceneUtil::getReverseZ())
stateset->setAttributeAndModes(SceneUtil::createDepth(), osg::StateAttribute::ON|osg::StateAttribute::OVERRIDE);
SceneUtil::setCameraClearDepth(camera);
stateset->addUniform(new osg::Uniform("projectionMatrix", static_cast<osg::Matrixf>(camera->getProjectionMatrix())), osg::StateAttribute::ON|osg::StateAttribute::OVERRIDE);

2
apps/openmw/mwrender/npcanimation.cpp
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@ -373,7 +373,7 @@ class DepthClearCallback : public osgUtil::RenderBin::DrawCallback
public:
DepthClearCallback()
{
mDepth = SceneUtil::createDepth(getReverseZ());
mDepth = SceneUtil::createDepth();
mDepth->setWriteMask(true);
}

1
apps/openmw/mwrender/objectpaging.cpp
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@ -661,7 +661,6 @@ namespace MWRender
if (mergeGroup->getNumChildren())
{
SceneUtil::Optimizer optimizer;
optimizer.setReverseZ(mSceneManager->getReverseZ());
if (size > 1/8.f)
{
optimizer.setViewPoint(relativeViewPoint);

34
apps/openmw/mwrender/postprocessor.cpp
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@ -36,10 +36,10 @@ namespace
class CullCallback : public osg::NodeCallback
{
public:
CullCallback(MWRender::PostProcessor* postProcessor)
: mPostProcessor(postProcessor)
, mLastFrameNumber(0)
{}
CullCallback()
: mLastFrameNumber(0)
{
}
void operator()(osg::Node* node, osg::NodeVisitor* nv) override
{
@ -49,14 +49,24 @@ namespace
if (frame != mLastFrameNumber)
{
mLastFrameNumber = frame;
if (!mPostProcessor->getMsaaFbo())
MWRender::PostProcessor* postProcessor = dynamic_cast<MWRender::PostProcessor*>(nv->asCullVisitor()->getCurrentCamera()->getUserData());
if (!postProcessor)
{
renderStage->setFrameBufferObject(mPostProcessor->getFbo());
Log(Debug::Error) << "Failed retrieving user data for master camera: FBO setup failed";
traverse(node, nv);
return;
}
if (!postProcessor->getMsaaFbo())
{
renderStage->setFrameBufferObject(postProcessor->getFbo());
}
else
{
renderStage->setMultisampleResolveFramebufferObject(mPostProcessor->getFbo());
renderStage->setFrameBufferObject(mPostProcessor->getMsaaFbo());
renderStage->setMultisampleResolveFramebufferObject(postProcessor->getFbo());
renderStage->setFrameBufferObject(postProcessor->getMsaaFbo());
}
}
@ -64,7 +74,6 @@ namespace
}
private:
MWRender::PostProcessor* mPostProcessor;
unsigned int mLastFrameNumber;
};
@ -117,7 +126,7 @@ namespace MWRender
else
{
// TODO: Once we have post-processing implemented we want to skip this return and continue with setup.
// Rendering to a FBO to fullscreen geometry has overhead (especially when MSAA is enabled) and there are no
// Rendering to a FBO to fullscreen geometry has overhead (especially when MSAA is enabled) and there are no
// benefits if no floating point depth formats are supported.
mDepthFormat = GL_DEPTH_COMPONENT24;
Log(Debug::Warning) << errPreamble << "'GL_ARB_depth_buffer_float' and 'GL_NV_depth_buffer_float' unsupported.";
@ -136,12 +145,13 @@ namespace MWRender
// We need to manually set the FBO and resolve FBO during the cull callback. If we were using a separate
// RTT camera this would not be needed.
mViewer->getCamera()->addCullCallback(new CullCallback(this));
mViewer->getCamera()->addCullCallback(new CullCallback);
mViewer->getCamera()->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT);
mViewer->getCamera()->attach(osg::Camera::COLOR_BUFFER0, mSceneTex);
mViewer->getCamera()->attach(osg::Camera::DEPTH_BUFFER, mDepthTex);
mViewer->getCamera()->getGraphicsContext()->setResizedCallback(new ResizedCallback(this));
mViewer->getCamera()->setUserData(this);
}
void PostProcessor::resize(int width, int height, bool init)
@ -157,8 +167,6 @@ namespace MWRender
mFbo->setAttachment(osg::Camera::COLOR_BUFFER0, osg::FrameBufferAttachment(mSceneTex));
mFbo->setAttachment(osg::Camera::DEPTH_BUFFER, osg::FrameBufferAttachment(mDepthTex));
mViewer->getCamera()->setUserData(mFbo);
// When MSAA is enabled we must first render to a render buffer, then
// blit the result to the FBO which is either passed to the main frame
// buffer for display or used as the entry point for a post process chain.

18
apps/openmw/mwrender/postprocessor.hpp
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@ -1,16 +1,12 @@
#ifndef OPENMW_MWRENDER_POSTPROCESSOR_H
#define OPENMW_MWRENDER_POSTPROCESSOR_H
#include <osg/Texture2D>
#include <osg/Group>
#include <osg/FrameBufferObject>
#include <osg/Camera>
#include <osg/ref_ptr>
namespace osg
{
class Texture2D;
class Group;
class FrameBufferObject;
class Camera;
}
namespace osgViewer
{
class Viewer;
@ -20,7 +16,7 @@ namespace MWRender
{
class RenderingManager;
class PostProcessor
class PostProcessor : public osg::Referenced
{
public:
PostProcessor(RenderingManager& rendering, osgViewer::Viewer* viewer, osg::Group* rootNode);
@ -33,6 +29,8 @@ namespace MWRender
void resize(int width, int height, bool init=false);
private:
void createTexturesAndCamera(int width, int height);
osgViewer::Viewer* mViewer;
osg::ref_ptr<osg::Group> mRootNode;
osg::ref_ptr<osg::Camera> mHUDCamera;
@ -45,8 +43,6 @@ namespace MWRender
int mDepthFormat;
void createTexturesAndCamera(int width, int height);
RenderingManager& mRendering;
};
}

54
apps/openmw/mwrender/renderingmanager.cpp
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@ -79,6 +79,8 @@ namespace MWRender
public:
SharedUniformStateUpdater()
: mLinearFac(0.f)
, mNear(0.f)
, mFar(0.f)
{
}
@ -86,6 +88,8 @@ namespace MWRender
{
stateset->addUniform(new osg::Uniform("projectionMatrix", osg::Matrixf{}));
stateset->addUniform(new osg::Uniform("linearFac", 0.f));
stateset->addUniform(new osg::Uniform("near", 0.f));
stateset->addUniform(new osg::Uniform("far", 0.f));
}
void apply(osg::StateSet* stateset, osg::NodeVisitor* nv) override
@ -97,6 +101,15 @@ namespace MWRender
auto* uLinearFac = stateset->getUniform("linearFac");
if (uLinearFac)
uLinearFac->set(mLinearFac);
auto* uNear = stateset->getUniform("near");
if (uNear)
uNear->set(mNear);
auto* uFar = stateset->getUniform("far");
if (uFar)
uFar->set(mFar);
}
void setProjectionMatrix(const osg::Matrixf& projectionMatrix)
@ -109,9 +122,21 @@ namespace MWRender
mLinearFac = linearFac;
}
void setNear(float near)
{
mNear = near;
}
void setFar(float far)
{
mFar = far;
}
private:
osg::Matrixf mProjectionMatrix;
float mLinearFac;
float mNear;
float mFar;
};
class StateUpdater : public SceneUtil::StateSetUpdater
@ -240,8 +265,7 @@ namespace MWRender
, mFieldOfViewOverridden(false)
, mFieldOfViewOverride(0.f)
{
auto ext = osg::GLExtensions::Get(0, false);
bool reverseZ = Settings::Manager::getBool("reverse z", "Camera") && ext && ext->isClipControlSupported;
bool reverseZ = SceneUtil::getReverseZ();
if (reverseZ)
Log(Debug::Info) << "Using reverse-z depth buffer";
@ -267,7 +291,6 @@ namespace MWRender
resourceSystem->getSceneManager()->setSpecularMapPattern(Settings::Manager::getString("specular map pattern", "Shaders"));
resourceSystem->getSceneManager()->setApplyLightingToEnvMaps(Settings::Manager::getBool("apply lighting to environment maps", "Shaders"));
resourceSystem->getSceneManager()->setConvertAlphaTestToAlphaToCoverage(Settings::Manager::getBool("antialias alpha test", "Shaders") && Settings::Manager::getInt("antialiasing", "Video") > 1);
resourceSystem->getSceneManager()->setReverseZ(reverseZ);
// Let LightManager choose which backend to use based on our hint. For methods besides legacy lighting, this depends on support for various OpenGL extensions.
osg::ref_ptr<SceneUtil::LightManager> sceneRoot = new SceneUtil::LightManager(lightingMethod == SceneUtil::LightingMethod::FFP);
@ -294,7 +317,7 @@ namespace MWRender
if (Settings::Manager::getBool("object shadows", "Shadows"))
shadowCastingTraversalMask |= (Mask_Object|Mask_Static);
mShadowManager.reset(new SceneUtil::ShadowManager(sceneRoot, mRootNode, shadowCastingTraversalMask, indoorShadowCastingTraversalMask, mResourceSystem->getSceneManager()->getShaderManager(), reverseZ));
mShadowManager.reset(new SceneUtil::ShadowManager(sceneRoot, mRootNode, shadowCastingTraversalMask, indoorShadowCastingTraversalMask, mResourceSystem->getSceneManager()->getShaderManager()));
Shader::ShaderManager::DefineMap shadowDefines = mShadowManager->getShadowDefines();
Shader::ShaderManager::DefineMap lightDefines = sceneRoot->getLightDefines();
@ -408,9 +431,12 @@ namespace MWRender
mGroundcoverWorld->setActiveGrid(osg::Vec4i(0, 0, 0, 0));
}
mPostProcessor.reset(new PostProcessor(*this, viewer, mRootNode));
mPostProcessor = new PostProcessor(*this, viewer, mRootNode);
resourceSystem->getSceneManager()->setDepthFormat(mPostProcessor->getDepthFormat());
if (reverseZ && !SceneUtil::isFloatingPointDepthFormat(mPostProcessor->getDepthFormat()))
Log(Debug::Warning) << "Floating point depth format not in use but reverse-z buffer is enabled, consider disabling it.";
// water goes after terrain for correct waterculling order
mWater.reset(new Water(sceneRoot->getParent(0), sceneRoot, mResourceSystem, mViewer->getIncrementalCompileOperation(), resourcePath));
@ -474,7 +500,6 @@ namespace MWRender
mViewer->getCamera()->setCullMask(~(Mask_UpdateVisitor|Mask_SimpleWater));
NifOsg::Loader::setHiddenNodeMask(Mask_UpdateVisitor);
NifOsg::Loader::setIntersectionDisabledNodeMask(Mask_Effect);
NifOsg::Loader::setReverseZ(reverseZ);
Nif::NIFFile::setLoadUnsupportedFiles(Settings::Manager::getBool("load unsupported nif files", "Models"));
// TODO: Near clip should not need to be bounded like this, but too small values break OSG shadow calculations CPU-side.
@ -487,8 +512,6 @@ namespace MWRender
mFirstPersonFieldOfView = std::min(std::max(1.f, firstPersonFov), 179.f);
mStateUpdater->setFogEnd(mViewDistance);
mRootNode->getOrCreateStateSet()->addUniform(new osg::Uniform("near", mNearClip));
mRootNode->getOrCreateStateSet()->addUniform(new osg::Uniform("far", mViewDistance));
mRootNode->getOrCreateStateSet()->addUniform(new osg::Uniform("simpleWater", false));
// Hopefully, anything genuinely requiring the default alpha func of GL_ALWAYS explicitly sets it
@ -496,18 +519,15 @@ namespace MWRender
// The transparent renderbin sets alpha testing on because that was faster on old GPUs. It's now slower and breaks things.
mRootNode->getOrCreateStateSet()->setMode(GL_ALPHA_TEST, osg::StateAttribute::OFF);
mUniformNear = mRootNode->getOrCreateStateSet()->getUniform("near");
mUniformFar = mRootNode->getOrCreateStateSet()->getUniform("far");
if (reverseZ)
{
auto depth = SceneUtil::createDepth(reverseZ);
osg::ref_ptr<osg::ClipControl> clipcontrol = new osg::ClipControl(osg::ClipControl::LOWER_LEFT, osg::ClipControl::ZERO_TO_ONE);
mViewer->getCamera()->setClearDepth(0.0);
mRootNode->getOrCreateStateSet()->setAttributeAndModes(depth, osg::StateAttribute::ON);
mRootNode->getOrCreateStateSet()->setAttributeAndModes(SceneUtil::createDepth(), osg::StateAttribute::ON);
mRootNode->getOrCreateStateSet()->setAttributeAndModes(clipcontrol, osg::StateAttribute::ON);
}
SceneUtil::setCameraClearDepth(mViewer->getCamera());
updateProjectionMatrix();
}
@ -1143,7 +1163,7 @@ namespace MWRender
mViewer->getCamera()->setProjectionMatrixAsPerspective(fov, aspect, mNearClip, mViewDistance);
if (mResourceSystem->getSceneManager()->getReverseZ())
if (SceneUtil::getReverseZ())
{
mSharedUniformStateUpdater->setLinearFac(-mNearClip / (mViewDistance - mNearClip) - 1.f);
mSharedUniformStateUpdater->setProjectionMatrix(SceneUtil::getReversedZProjectionMatrixAsPerspective(fov, aspect, mNearClip, mViewDistance));
@ -1151,8 +1171,8 @@ namespace MWRender
else
mSharedUniformStateUpdater->setProjectionMatrix(mViewer->getCamera()->getProjectionMatrix());
mUniformNear->set(mNearClip);
mUniformFar->set(mViewDistance);
mSharedUniformStateUpdater->setNear(mNearClip);
mSharedUniformStateUpdater->setFar(mViewDistance);
// Since our fog is not radial yet, we should take FOV in account, otherwise terrain near viewing distance may disappear.
// Limit FOV here just for sure, otherwise viewing distance can be too high.

8
apps/openmw/mwrender/renderingmanager.hpp
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@ -110,9 +110,6 @@ namespace MWRender
SceneUtil::UnrefQueue* getUnrefQueue();
Terrain::World* getTerrain();
osg::Uniform* mUniformNear;
osg::Uniform* mUniformFar;
void preloadCommonAssets();
double getReferenceTime() const;
@ -241,8 +238,9 @@ namespace MWRender
void pagingBlacklistObject(int type, const MWWorld::ConstPtr &ptr);
bool pagingUnlockCache();
void getPagedRefnums(const osg::Vec4i &activeGrid, std::set<ESM::RefNum> &out);
void updateProjectionMatrix();
private:
void updateTextureFiltering();
void updateAmbient();
@ -289,7 +287,7 @@ namespace MWRender
std::unique_ptr<ScreenshotManager> mScreenshotManager;
std::unique_ptr<EffectManager> mEffectManager;
std::unique_ptr<SceneUtil::ShadowManager> mShadowManager;
std::unique_ptr<PostProcessor> mPostProcessor;
osg::ref_ptr<PostProcessor> mPostProcessor;
osg::ref_ptr<NpcAnimation> mPlayerAnimation;
osg::ref_ptr<SceneUtil::PositionAttitudeTransform> mPlayerNode;
std::unique_ptr<Camera> mCamera;

6
apps/openmw/mwrender/ripplesimulation.cpp
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@ -56,13 +56,13 @@ namespace
stateset->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);
stateset->setTextureAttributeAndModes(0, textures[0], osg::StateAttribute::ON);
auto depth = SceneUtil::createDepth(resourceSystem->getSceneManager()->getReverseZ());
auto depth = SceneUtil::createDepth();
depth->setWriteMask(false);
stateset->setAttributeAndModes(depth, osg::StateAttribute::ON);
osg::ref_ptr<osg::PolygonOffset> polygonOffset (new osg::PolygonOffset);
polygonOffset->setUnits(-1);
polygonOffset->setFactor(-1);
polygonOffset->setUnits(SceneUtil::getReverseZ() ? 1 : -1);
polygonOffset->setFactor(SceneUtil::getReverseZ() ? 1 : -1);
stateset->setAttributeAndModes(polygonOffset, osg::StateAttribute::ON);
stateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);

16
apps/openmw/mwrender/screenshotmanager.cpp
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@ -23,6 +23,7 @@
#include "util.hpp"
#include "vismask.hpp"
#include "water.hpp"
#include "postprocessor.hpp"
namespace MWRender
{
@ -92,14 +93,13 @@ namespace MWRender
// Ensure we are reading from the resolved framebuffer and not the multisampled render buffer when in use.
// glReadPixel() cannot read from multisampled targets.
PostProcessor* postProcessor = dynamic_cast<PostProcessor*>(renderInfo.getCurrentCamera()->getUserData());
osg::FrameBufferObject* fbo = dynamic_cast<osg::FrameBufferObject*>(renderInfo.getCurrentCamera()->getUserData());
if (fbo)
if (postProcessor && postProcessor->getFbo() && postProcessor->getMsaaFbo())
{
osg::GLExtensions* ext = osg::GLExtensions::Get(renderInfo.getContextID(), false);
if (ext)
ext->glBindFramebuffer(GL_FRAMEBUFFER_EXT, fbo->getHandle(renderInfo.getContextID()));
ext->glBindFramebuffer(GL_FRAMEBUFFER_EXT, postProcessor->getFbo()->getHandle(renderInfo.getContextID()));
}
mImage->readPixels(leftPadding, topPadding, width, height, GL_RGB, GL_UNSIGNED_BYTE);
@ -297,12 +297,10 @@ namespace MWRender
camera->setRenderOrder(osg::Camera::PRE_RENDER);
camera->setReferenceFrame(osg::Camera::ABSOLUTE_RF);
camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT,osg::Camera::PIXEL_BUFFER_RTT);
if (getReverseZ())
camera->setClearDepth(0.0);
camera->setViewport(0, 0, w, h);
SceneUtil::setCameraClearDepth(camera);
osg::ref_ptr<osg::Texture2D> texture (new osg::Texture2D);
texture->setInternalFormat(GL_RGB);
texture->setTextureSize(w,h);
@ -336,7 +334,7 @@ namespace MWRender
float nearClip = Settings::Manager::getFloat("near clip", "Camera");
float viewDistance = Settings::Manager::getFloat("viewing distance", "Camera");
// each cubemap side sees 90 degrees
if (getReverseZ())
if (SceneUtil::getReverseZ())
rttCamera->setProjectionMatrix(SceneUtil::getReversedZProjectionMatrixAsPerspectiveInf(90.0, w/float(h), nearClip));
else
rttCamera->setProjectionMatrixAsPerspective(90.0, w/float(h), nearClip, viewDistance);

6
apps/openmw/mwrender/sky.cpp
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@ -595,11 +595,11 @@ private:
osg::StateSet* queryStateSet = new osg::StateSet;
if (queryVisible)
{
auto depth = SceneUtil::createDepth(getReverseZ());
auto depth = SceneUtil::createDepth();
// This is a trick to make fragments written by the query always use the maximum depth value,
// without having to retrieve the current far clipping distance.
// We want the sun glare to be "infinitely" far away.
double far = getReverseZ() ? 0.0 : 1.0;
double far = SceneUtil::getReverseZ() ? 0.0 : 1.0;
depth->setZNear(far);
depth->setZFar(far);
depth->setWriteMask(false);
@ -1210,7 +1210,7 @@ void SkyManager::create()
mCloudMesh2->addUpdateCallback(mCloudUpdater2);
mCloudMesh2->setNodeMask(0);
auto depth = SceneUtil::createDepth(mSceneManager->getReverseZ());
auto depth = SceneUtil::createDepth();
depth->setWriteMask(false);
mEarlyRenderBinRoot->getOrCreateStateSet()->setAttributeAndModes(depth, osg::StateAttribute::ON);
mEarlyRenderBinRoot->getOrCreateStateSet()->setMode(GL_BLEND, osg::StateAttribute::ON);

8
apps/openmw/mwrender/util.cpp
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@ -4,13 +4,10 @@
#include <osg/ValueObject>
#include <components/resource/resourcesystem.hpp>
#include <components/resource/scenemanager.hpp>
#include <components/resource/imagemanager.hpp>
#include <components/misc/resourcehelpers.hpp>
#include <components/sceneutil/visitor.hpp>
#include "../mwbase/environment.hpp"
namespace MWRender
{
@ -67,9 +64,4 @@ void overrideTexture(const std::string &texture, Resource::ResourceSystem *resou
node->setStateSet(stateset);
}
bool getReverseZ()
{
return MWBase::Environment::get().getResourceSystem()->getSceneManager()->getReverseZ();
}
}

2
apps/openmw/mwrender/util.hpp
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@ -32,8 +32,6 @@ namespace MWRender
// no traverse()
}
};
bool getReverseZ();
}
#endif

8
apps/openmw/mwrender/water.cpp
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@ -273,7 +273,7 @@ public:
void setDefaults(osg::Camera* camera) override
{
camera->setClearDepth(1.0);
SceneUtil::setCameraClearDepth(camera);
camera->setReferenceFrame(osg::Camera::RELATIVE_RF);
camera->setSmallFeatureCullingPixelSize(Settings::Manager::getInt("small feature culling pixel size", "Water"));
camera->setName("RefractionCamera");
@ -339,7 +339,7 @@ public:
void setDefaults(osg::Camera* camera) override
{
camera->setClearDepth(1.0);
SceneUtil::setCameraClearDepth(camera);
camera->setReferenceFrame(osg::Camera::RELATIVE_RF);
camera->setSmallFeatureCullingPixelSize(Settings::Manager::getInt("small feature culling pixel size", "Water"));
camera->setName("ReflectionCamera");
@ -546,7 +546,7 @@ osg::Node* Water::getRefractionNode()
void Water::createSimpleWaterStateSet(osg::Node* node, float alpha)
{
osg::ref_ptr<osg::StateSet> stateset = SceneUtil::createSimpleWaterStateSet(alpha, MWRender::RenderBin_Water, mResourceSystem->getSceneManager()->getReverseZ());
osg::ref_ptr<osg::StateSet> stateset = SceneUtil::createSimpleWaterStateSet(alpha, MWRender::RenderBin_Water);
node->setStateSet(stateset);
node->setUpdateCallback(nullptr);
@ -616,7 +616,7 @@ public:
{
stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
stateset->setRenderBinDetails(MWRender::RenderBin_Water, "RenderBin");
osg::ref_ptr<osg::Depth> depth(new osg::Depth);
osg::ref_ptr<osg::Depth> depth = SceneUtil::createDepth();
depth->setWriteMask(false);
stateset->setAttributeAndModes(depth, osg::StateAttribute::ON);
}

14
components/nifosg/nifloader.cpp
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@ -226,18 +226,6 @@ namespace NifOsg
return sIntersectionDisabledNodeMask;
}
bool Loader::sReverseZ = false;
void Loader::setReverseZ(bool reverseZ)
{
sReverseZ = reverseZ;
}
bool Loader::getReverseZ()
{
return sReverseZ;
}
class LoaderImpl
{
public:
@ -1835,7 +1823,7 @@ namespace NifOsg
// Depth test flag
stateset->setMode(GL_DEPTH_TEST, zprop->flags&1 ? osg::StateAttribute::ON
: osg::StateAttribute::OFF);
auto depth = SceneUtil::createDepth(Loader::getReverseZ());
auto depth = SceneUtil::createDepth();
// Depth write flag
depth->setWriteMask((zprop->flags>>1)&1);
// Morrowind ignores depth test function

4
components/nifosg/nifloader.hpp
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@ -51,14 +51,10 @@ namespace NifOsg
static void setIntersectionDisabledNodeMask(unsigned int mask);
static unsigned int getIntersectionDisabledNodeMask();
static void setReverseZ(bool reverseZ);
static bool getReverseZ();
private:
static unsigned int sHiddenNodeMask;
static unsigned int sIntersectionDisabledNodeMask;
static bool sShowMarkers;
static bool sReverseZ;
};
}

10
components/resource/scenemanager.cpp
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@ -275,16 +275,6 @@ namespace Resource
return mClampLighting;
}
void SceneManager::setReverseZ(bool reverseZ)
{
mReverseZ = reverseZ;
}
bool SceneManager::getReverseZ() const
{
return mReverseZ;
}
void SceneManager::setDepthFormat(GLenum format)
{
mDepthFormat = format;

4
components/resource/scenemanager.hpp
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@ -92,9 +92,6 @@ namespace Resource
void setClampLighting(bool clamp);
bool getClampLighting() const;
void setReverseZ(bool reverseZ);
bool getReverseZ() const;
void setDepthFormat(GLenum format);
GLenum getDepthFormat() const;
@ -208,7 +205,6 @@ namespace Resource
SceneUtil::LightingMethod mLightingMethod;
SceneUtil::LightManager::SupportedMethods mSupportedLightingMethods;
bool mConvertAlphaTestToAlphaToCoverage;
bool mReverseZ;
GLenum mDepthFormat;
osg::ref_ptr<MultiObjectCache> mInstanceCache;

6
components/sceneutil/agentpath.cpp
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@ -1,6 +1,8 @@
#include "agentpath.hpp"
#include "detourdebugdraw.hpp"
#include <osg/Material>
#include <components/detournavigator/settings.hpp>
#include <algorithm>
@ -65,6 +67,10 @@ namespace SceneUtil
debugDraw.depthMask(true);
osg::ref_ptr<osg::Material> material = new osg::Material;
material->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
group->getOrCreateStateSet()->setAttribute(material);
return group;
}
}

15
components/sceneutil/mwshadowtechnique.cpp
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@ -26,6 +26,9 @@
#include <osg/ClipControl>
#include <sstream>
#include <components/sceneutil/util.hpp>
#include "shadowsbin.hpp"
namespace {
@ -891,16 +894,6 @@ void SceneUtil::MWShadowTechnique::disableFrontFaceCulling()
}
}
void SceneUtil::MWShadowTechnique::enableReverseZ()
{
_reverseZ = true;
}
void SceneUtil::MWShadowTechnique::disableReverseZ()
{
_reverseZ = false;
}
void SceneUtil::MWShadowTechnique::setupCastingShader(Shader::ShaderManager & shaderManager)
{
// This can't be part of the constructor as OSG mandates that there be a trivial constructor available
@ -1647,7 +1640,7 @@ void MWShadowTechnique::createShaders()
_shadowCastingStateSet->addUniform(new osg::Uniform("alphaTestShadows", false));
osg::ref_ptr<osg::Depth> depth = new osg::Depth;
depth->setWriteMask(true);
if (_reverseZ)
if (SceneUtil::getReverseZ())
{
osg::ref_ptr<osg::ClipControl> clipcontrol = new osg::ClipControl(osg::ClipControl::LOWER_LEFT, osg::ClipControl::NEGATIVE_ONE_TO_ONE);
_shadowCastingStateSet->setAttribute(clipcontrol, osg::StateAttribute::ON|osg::StateAttribute::OVERRIDE);

6
components/sceneutil/mwshadowtechnique.hpp
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@ -85,10 +85,6 @@ namespace SceneUtil {
virtual void disableFrontFaceCulling();
virtual void enableReverseZ();
virtual void disableReverseZ();
virtual void setupCastingShader(Shader::ShaderManager &shaderManager);
class ComputeLightSpaceBounds : public osg::NodeVisitor, public osg::CullStack
@ -270,8 +266,6 @@ namespace SceneUtil {
float _shadowFadeStart = 0.0;
bool _reverseZ = false;
class DebugHUD final : public osg::Referenced
{
public:

6
components/sceneutil/navmesh.cpp
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@ -6,6 +6,7 @@
#include <DetourDebugDraw.h>
#include <osg/Group>
#include <osg/Material>
namespace SceneUtil
{
@ -17,6 +18,11 @@ namespace SceneUtil
navMeshQuery.init(&navMesh, settings.mMaxNavMeshQueryNodes);
duDebugDrawNavMeshWithClosedList(&debugDraw, navMesh, navMeshQuery,
DU_DRAWNAVMESH_OFFMESHCONS | DU_DRAWNAVMESH_CLOSEDLIST);
osg::ref_ptr<osg::Material> material = new osg::Material;
material->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
group->getOrCreateStateSet()->setAttribute(material);
return group;
}
}

3
components/sceneutil/optimizer.cpp
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@ -109,7 +109,6 @@ void Optimizer::optimize(osg::Node* node, unsigned int options)
MergeGeometryVisitor mgv(this);
mgv.setTargetMaximumNumberOfVertices(1000000);
mgv.setMergeAlphaBlending(_mergeAlphaBlending);
mgv.setReverseZ(_reverseZ);
mgv.setViewPoint(_viewPoint);
node->accept(mgv);
@ -1563,7 +1562,7 @@ bool Optimizer::MergeGeometryVisitor::mergeGroup(osg::Group& group)
}
if (_alphaBlendingActive && _mergeAlphaBlending && !geom->getStateSet())
{
auto d = createDepth(_reverseZ);
auto d = createDepth();
d->setWriteMask(0);
geom->getOrCreateStateSet()->setAttribute(d);
}

13
components/sceneutil/optimizer.hpp
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@ -65,7 +65,7 @@ class Optimizer
public:
Optimizer() : _mergeAlphaBlending(false), _reverseZ(false) {}
Optimizer() : _mergeAlphaBlending(false) {}
virtual ~Optimizer() {}
enum OptimizationOptions
@ -119,7 +119,6 @@ class Optimizer
};
void setMergeAlphaBlending(bool merge) { _mergeAlphaBlending = merge; }
void setReverseZ(bool reverseZ) { _reverseZ = reverseZ; }
void setViewPoint(const osg::Vec3f& viewPoint) { _viewPoint = viewPoint; }
/** Reset internal data to initial state - the getPermissibleOptionsMap is cleared.*/
@ -258,7 +257,6 @@ class Optimizer
osg::Vec3f _viewPoint;
bool _mergeAlphaBlending;
bool _reverseZ;
public:
@ -379,18 +377,12 @@ class Optimizer
/// default to traversing all children.
MergeGeometryVisitor(Optimizer* optimizer=0) :
BaseOptimizerVisitor(optimizer, MERGE_GEOMETRY),
_targetMaximumNumberOfVertices(10000), _alphaBlendingActive(false), _mergeAlphaBlending(false), _reverseZ(false) {}
_targetMaximumNumberOfVertices(10000), _alphaBlendingActive(false), _mergeAlphaBlending(false) {}
void setMergeAlphaBlending(bool merge)
{
_mergeAlphaBlending = merge;
}
void setReverseZ(bool reverseZ)
{
_reverseZ = reverseZ;
}
void setViewPoint(const osg::Vec3f& viewPoint)
{
_viewPoint = viewPoint;
@ -429,7 +421,6 @@ class Optimizer
std::vector<osg::StateSet*> _stateSetStack;
bool _alphaBlendingActive;
bool _mergeAlphaBlending;
bool _reverseZ;
osg::Vec3f _viewPoint;
};

6
components/sceneutil/pathgridutil.cpp
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@ -1,6 +1,7 @@
#include "pathgridutil.hpp"
#include <osg/Geometry>
#include <osg/Material>
#include <components/esm/loadpgrd.hpp>
@ -174,6 +175,11 @@ namespace SceneUtil
gridGeometry->addPrimitiveSet(lineIndices);
gridGeometry->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
}
osg::ref_ptr<osg::Material> material = new osg::Material;
material->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
gridGeometry->getOrCreateStateSet()->setAttribute(material);
return gridGeometry;
}

6
components/sceneutil/recastmesh.cpp
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@ -8,6 +8,7 @@
#include <RecastDebugDraw.h>
#include <osg/Group>
#include <osg/Material>
#include <algorithm>
#include <vector>
@ -65,6 +66,11 @@ namespace SceneUtil
const auto texScale = 1.0f / (settings.mCellSize * 10.0f);
duDebugDrawTriMesh(&debugDraw, vertices.data(), static_cast<int>(vertices.size() / 3),
indices.data(), normals.data(), static_cast<int>(indices.size() / 3), nullptr, texScale);
osg::ref_ptr<osg::Material> material = new osg::Material;
material->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
group->getOrCreateStateSet()->setAttribute(material);
return group;
}
}

18
components/sceneutil/shadow.cpp
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@ -94,12 +94,10 @@ namespace SceneUtil
}
}
ShadowManager::ShadowManager(osg::ref_ptr<osg::Group> sceneRoot, osg::ref_ptr<osg::Group> rootNode, unsigned int outdoorShadowCastingMask, unsigned int indoorShadowCastingMask, Shader::ShaderManager &shaderManager, bool reverseZ)
: mReverseZ(reverseZ)
, mShadowedScene(new osgShadow::ShadowedScene)
, mShadowTechnique(new MWShadowTechnique)
, mOutdoorShadowCastingMask(outdoorShadowCastingMask)
, mIndoorShadowCastingMask(indoorShadowCastingMask)
ShadowManager::ShadowManager(osg::ref_ptr<osg::Group> sceneRoot, osg::ref_ptr<osg::Group> rootNode, unsigned int outdoorShadowCastingMask, unsigned int indoorShadowCastingMask, Shader::ShaderManager &shaderManager) : mShadowedScene(new osgShadow::ShadowedScene),
mShadowTechnique(new MWShadowTechnique),
mOutdoorShadowCastingMask(outdoorShadowCastingMask),
mIndoorShadowCastingMask(indoorShadowCastingMask)
{
mShadowedScene->setShadowTechnique(mShadowTechnique);
@ -110,9 +108,6 @@ namespace SceneUtil
mShadowSettings = mShadowedScene->getShadowSettings();
setupShadowSettings();
if (mReverseZ)
mShadowTechnique->enableReverseZ();
mShadowTechnique->setupCastingShader(shaderManager);
enableOutdoorMode();
@ -185,9 +180,4 @@ namespace SceneUtil
mShadowTechnique->enableShadows();
mShadowSettings->setCastsShadowTraversalMask(mOutdoorShadowCastingMask);
}
bool ShadowManager::getReverseZ() const
{
return mReverseZ;
}
}

5
components/sceneutil/shadow.hpp
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@ -17,7 +17,7 @@ namespace SceneUtil
static Shader::ShaderManager::DefineMap getShadowsDisabledDefines();
ShadowManager(osg::ref_ptr<osg::Group> sceneRoot, osg::ref_ptr<osg::Group> rootNode, unsigned int outdoorShadowCastingMask, unsigned int indoorShadowCastingMask, Shader::ShaderManager &shaderManager, bool reverseZ);
ShadowManager(osg::ref_ptr<osg::Group> sceneRoot, osg::ref_ptr<osg::Group> rootNode, unsigned int outdoorShadowCastingMask, unsigned int indoorShadowCastingMask, Shader::ShaderManager &shaderManager);
void setupShadowSettings();
@ -26,11 +26,8 @@ namespace SceneUtil
void enableIndoorMode();
void enableOutdoorMode();
bool getReverseZ() const;
protected:
bool mEnableShadows;
bool mReverseZ;
osg::ref_ptr<osgShadow::ShadowedScene> mShadowedScene;
osg::ref_ptr<osgShadow::ShadowSettings> mShadowSettings;

106
components/sceneutil/util.cpp
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@ -4,16 +4,31 @@
#include <sstream>
#include <iomanip>
#include <SDL_opengl_glext.h>
#include <osg/Node>
#include <osg/NodeVisitor>
#include <osg/TexGen>
#include <osg/TexEnvCombine>
#include <osg/Version>
#include <osg/Fog>
#include <components/resource/imagemanager.hpp>
#include <components/resource/scenemanager.hpp>
#include <components/settings/settings.hpp>
#include <components/debug/debuglog.hpp>
namespace
{
bool isReverseZSupported()
{
if (!Settings::Manager::mDefaultSettings.count({"Camera", "reverse z"}))
return false;
auto ext = osg::GLExtensions::Get(0, false);
return Settings::Manager::getBool("reverse z", "Camera") && ext && ext->isClipControlSupported;
}
}
namespace SceneUtil
{
@ -151,32 +166,42 @@ void GlowUpdater::setDuration(float duration)
mDuration = duration;
}
AttachMultisampledDepthColorCallback::AttachMultisampledDepthColorCallback(const osg::ref_ptr<osg::Texture2D>& colorTex, const osg::ref_ptr<osg::Texture2D>& depthTex, int samples, int colorSamples)
// Allows camera to render to a color and floating point depth texture with a multisampled framebuffer.
// Must be set on a camera's cull callback.
class AttachMultisampledDepthColorCallback : public osg::NodeCallback
{
int width = colorTex->getTextureWidth();
int height = colorTex->getTextureHeight();
public:
AttachMultisampledDepthColorCallback(osg::Texture2D* colorTex, osg::Texture2D* depthTex, int samples, int colorSamples)
{
int width = colorTex->getTextureWidth();
int height = colorTex->getTextureHeight();
osg::ref_ptr<osg::RenderBuffer> rbColor = new osg::RenderBuffer(width, height, colorTex->getInternalFormat(), samples, colorSamples);
osg::ref_ptr<osg::RenderBuffer> rbDepth = new osg::RenderBuffer(width, height, depthTex->getInternalFormat(), samples, colorSamples);
osg::ref_ptr<osg::RenderBuffer> rbColor = new osg::RenderBuffer(width, height, colorTex->getInternalFormat(), samples, colorSamples);
osg::ref_ptr<osg::RenderBuffer> rbDepth = new osg::RenderBuffer(width, height, depthTex->getInternalFormat(), samples, colorSamples);
mMsaaFbo = new osg::FrameBufferObject;
mMsaaFbo->setAttachment(osg::Camera::COLOR_BUFFER0, osg::FrameBufferAttachment(rbColor));
mMsaaFbo->setAttachment(osg::Camera::DEPTH_BUFFER, osg::FrameBufferAttachment(rbDepth));
mMsaaFbo = new osg::FrameBufferObject;
mMsaaFbo->setAttachment(osg::Camera::COLOR_BUFFER0, osg::FrameBufferAttachment(rbColor));
mMsaaFbo->setAttachment(osg::Camera::DEPTH_BUFFER, osg::FrameBufferAttachment(rbDepth));
mFbo = new osg::FrameBufferObject;
mFbo->setAttachment(osg::Camera::COLOR_BUFFER0, osg::FrameBufferAttachment(colorTex));
mFbo->setAttachment(osg::Camera::DEPTH_BUFFER, osg::FrameBufferAttachment(depthTex));
}
mFbo = new osg::FrameBufferObject;
mFbo->setAttachment(osg::Camera::COLOR_BUFFER0, osg::FrameBufferAttachment(colorTex));
mFbo->setAttachment(osg::Camera::DEPTH_BUFFER, osg::FrameBufferAttachment(depthTex));
}
void AttachMultisampledDepthColorCallback::operator()(osg::Node* node, osg::NodeVisitor* nv)
{
osgUtil::RenderStage* renderStage = nv->asCullVisitor()->getCurrentRenderStage();
void operator()(osg::Node* node, osg::NodeVisitor* nv) override
{
osgUtil::RenderStage* renderStage = nv->asCullVisitor()->getCurrentRenderStage();
renderStage->setMultisampleResolveFramebufferObject(mFbo);
renderStage->setFrameBufferObject(mMsaaFbo);
renderStage->setMultisampleResolveFramebufferObject(mFbo);
renderStage->setFrameBufferObject(mMsaaFbo);
traverse(node, nv);
}
traverse(node, nv);
}
private:
osg::ref_ptr<osg::FrameBufferObject> mFbo;
osg::ref_ptr<osg::FrameBufferObject> mMsaaFbo;
};
void transformBoundingSphere (const osg::Matrixf& matrix, osg::BoundingSphere& bsphere)
{
@ -313,9 +338,37 @@ bool attachAlphaToCoverageFriendlyFramebufferToCamera(osg::Camera* camera, osg::
return addMSAAIntermediateTarget;
}
osg::ref_ptr<osg::Depth> createDepth(bool reverseZ)
void attachAlphaToCoverageFriendlyDepthColor(osg::Camera* camera, osg::Texture2D* colorTex, osg::Texture2D* depthTex, GLenum depthFormat)
{
bool addMSAAIntermediateTarget = Settings::Manager::getBool("antialias alpha test", "Shaders") && Settings::Manager::getInt("antialiasing", "Video") > 1;
if (isFloatingPointDepthFormat(depthFormat) && addMSAAIntermediateTarget)
{
camera->attach(osg::Camera::COLOR_BUFFER0, colorTex);
camera->attach(osg::Camera::DEPTH_BUFFER, depthTex);
camera->addCullCallback(new AttachMultisampledDepthColorCallback(colorTex, depthTex, 2, 1));
}
else
{
attachAlphaToCoverageFriendlyFramebufferToCamera(camera, osg::Camera::COLOR_BUFFER, colorTex);
camera->attach(osg::Camera::DEPTH_BUFFER, depthTex);
}
}
bool getReverseZ()
{
static bool reverseZ = isReverseZSupported();
return reverseZ;
}
void setCameraClearDepth(osg::Camera* camera)
{
camera->setClearDepth(getReverseZ() ? 0.0 : 1.0);
}
osg::ref_ptr<osg::Depth> createDepth()
{
return new osg::Depth(reverseZ ? osg::Depth::GEQUAL : osg::Depth::LEQUAL);
return new osg::Depth(getReverseZ() ? osg::Depth::GEQUAL : osg::Depth::LEQUAL);
}
osg::Matrix getReversedZProjectionMatrixAsPerspectiveInf(double fov, double aspect, double near)
@ -352,7 +405,14 @@ osg::Matrix getReversedZProjectionMatrixAsOrtho(double left, double right, doubl
bool isFloatingPointDepthFormat(GLenum format)
{
return format == GL_DEPTH_COMPONENT32F || format == GL_DEPTH_COMPONENT32F_NV;
constexpr std::array<GLenum, 4> formats = {
GL_DEPTH_COMPONENT32F,
GL_DEPTH_COMPONENT32F_NV,
GL_DEPTH32F_STENCIL8,
GL_DEPTH32F_STENCIL8_NV,
};
return std::find(formats.cbegin(), formats.cend(), format) != formats.cend();
}
}

27
components/sceneutil/util.hpp
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@ -8,7 +8,6 @@
#include <osg/Texture2D>
#include <osg/Vec4f>
#include <osg/Depth>
#include <osg/FrameBufferObject>
#include <components/resource/resourcesystem.hpp>
@ -49,22 +48,6 @@ namespace SceneUtil
bool mDone;
};
// Allows camera to render to a color and floating point depth texture with a multisampled framebuffer.
// Must be set on a camera's cull callback.
// When the depth texture isn't needed as a sampler, use osg::Camera::attach(osg::Camera::DEPTH_COMPONENT, GL_DEPTH_COMPONENT32F) instead.
// If multisampling is not being used on the color buffer attachment, use the osg::Camera::attach() method.
class AttachMultisampledDepthColorCallback : public osg::NodeCallback
{
public:
AttachMultisampledDepthColorCallback(const osg::ref_ptr<osg::Texture2D>& colorTex, const osg::ref_ptr<osg::Texture2D>& depthTex, int samples, int colorSamples);
void operator()(osg::Node* node, osg::NodeVisitor* nv) override;
private:
osg::ref_ptr<osg::FrameBufferObject> mFbo;
osg::ref_ptr<osg::FrameBufferObject> mMsaaFbo;
};
// Transform a bounding sphere by a matrix
// based off private code in osg::Transform
// TODO: patch osg to make public
@ -83,9 +66,15 @@ namespace SceneUtil
// Alpha-to-coverage requires a multisampled framebuffer, so we need to set that up for RTTs
bool attachAlphaToCoverageFriendlyFramebufferToCamera(osg::Camera* camera, osg::Camera::BufferComponent buffer, osg::Texture* texture, unsigned int level = 0, unsigned int face = 0, bool mipMapGeneration = false);
void attachAlphaToCoverageFriendlyDepthColor(osg::Camera* camera, osg::Texture2D* colorTex, osg::Texture2D* depthTex, GLenum depthFormat);
bool getReverseZ();
void setCameraClearDepth(osg::Camera* camera);
// Returns a suitable depth state attribute dependent on whether a reverse-z
// depth buffer is in use.
osg::ref_ptr<osg::Depth> createDepth(bool reverseZ);
osg::ref_ptr<osg::Depth> createDepth();
// Returns a perspective projection matrix for use with a reversed z-buffer
// and an infinite far plane. This is derived by mapping the default z-range
@ -100,7 +89,7 @@ namespace SceneUtil
osg::Matrix getReversedZProjectionMatrixAsOrtho(double left, double right, double bottom, double top, double near, double far);
// Returns true if the GL format is a floating point depth format
bool isFloatingPointDepthFormat(GLenum format);
bool isFloatingPointDepthFormat(GLenum format);
}
#endif

4
components/sceneutil/waterutil.cpp
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@ -64,7 +64,7 @@ namespace SceneUtil
return waterGeom;
}
osg::ref_ptr<osg::StateSet> createSimpleWaterStateSet(float alpha, int renderBin, bool reverseZ)
osg::ref_ptr<osg::StateSet> createSimpleWaterStateSet(float alpha, int renderBin)
{
osg::ref_ptr<osg::StateSet> stateset (new osg::StateSet);
@ -78,7 +78,7 @@ namespace SceneUtil
stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
stateset->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);
auto depth = createDepth(reverseZ);
auto depth = createDepth();
depth->setWriteMask(false);
stateset->setAttributeAndModes(depth, osg::StateAttribute::ON);

2
components/sceneutil/waterutil.hpp
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@ -13,7 +13,7 @@ namespace SceneUtil
{
osg::ref_ptr<osg::Geometry> createWaterGeometry(float size, int segments, float textureRepeats);
osg::ref_ptr<osg::StateSet> createSimpleWaterStateSet(float alpha, int renderBin, bool reverseZ);
osg::ref_ptr<osg::StateSet> createSimpleWaterStateSet(float alpha, int renderBin);
}
#endif

4
components/terrain/chunkmanager.cpp
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@ -163,7 +163,7 @@ std::vector<osg::ref_ptr<osg::StateSet> > ChunkManager::createPasses(float chunk
float blendmapScale = mStorage->getBlendmapScale(chunkSize);
return ::Terrain::createPasses(useShaders, mSceneManager, layers, blendmapTextures, blendmapScale, blendmapScale);
return ::Terrain::createPasses(useShaders, &mSceneManager->getShaderManager(), layers, blendmapTextures, blendmapScale, blendmapScale);
}
osg::ref_ptr<osg::Node> ChunkManager::createChunk(float chunkSize, const osg::Vec2f &chunkCenter, unsigned char lod, unsigned int lodFlags, bool compile)
@ -219,7 +219,7 @@ osg::ref_ptr<osg::Node> ChunkManager::createChunk(float chunkSize, const osg::Ve
layer.mDiffuseMap = compositeMap->mTexture;
layer.mParallax = false;
layer.mSpecular = false;
geometry->setPasses(::Terrain::createPasses(mSceneManager->getForceShaders() || !mSceneManager->getClampLighting(), mSceneManager, std::vector<TextureLayer>(1, layer), std::vector<osg::ref_ptr<osg::Texture2D> >(), 1.f, 1.f));
geometry->setPasses(::Terrain::createPasses(mSceneManager->getForceShaders() || !mSceneManager->getClampLighting(), &mSceneManager->getShaderManager(), std::vector<TextureLayer>(1, layer), std::vector<osg::ref_ptr<osg::Texture2D> >(), 1.f, 1.f));
}
else
{

16
components/terrain/material.cpp
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@ -7,7 +7,6 @@
#include <osg/TexMat>
#include <osg/BlendFunc>
#include <components/resource/scenemanager.hpp>
#include <components/shader/shadermanager.hpp>
#include <components/sceneutil/util.hpp>
@ -97,17 +96,17 @@ namespace
class LequalDepth
{
public:
static const osg::ref_ptr<osg::Depth>& value(bool reverseZ)
static const osg::ref_ptr<osg::Depth>& value()
{
static LequalDepth instance(reverseZ);
static LequalDepth instance;
return instance.mValue;
}
private:
osg::ref_ptr<osg::Depth> mValue;
LequalDepth(bool reverseZ)
: mValue(SceneUtil::createDepth(reverseZ))
LequalDepth()
: mValue(SceneUtil::createDepth())
{
}
};
@ -171,10 +170,9 @@ namespace
namespace Terrain
{
std::vector<osg::ref_ptr<osg::StateSet> > createPasses(bool useShaders, Resource::SceneManager* sceneManager, const std::vector<TextureLayer> &layers,
std::vector<osg::ref_ptr<osg::StateSet> > createPasses(bool useShaders, Shader::ShaderManager* shaderManager, const std::vector<TextureLayer> &layers,
const std::vector<osg::ref_ptr<osg::Texture2D> > &blendmaps, int blendmapScale, float layerTileSize)
{
Shader::ShaderManager* shaderManager = &sceneManager->getShaderManager();
std::vector<osg::ref_ptr<osg::StateSet> > passes;
unsigned int blendmapIndex = 0;
@ -197,7 +195,7 @@ namespace Terrain
else
{
stateset->setAttributeAndModes(BlendFuncFirst::value(), osg::StateAttribute::ON);
stateset->setAttributeAndModes(LequalDepth::value(sceneManager->getReverseZ()), osg::StateAttribute::ON);
stateset->setAttributeAndModes(LequalDepth::value(), osg::StateAttribute::ON);
}
}
@ -240,7 +238,7 @@ namespace Terrain
if (!vertexShader || !fragmentShader)
{
// Try again without shader. Error already logged by above
return createPasses(false, sceneManager, layers, blendmaps, blendmapScale, layerTileSize);
return createPasses(false, shaderManager, layers, blendmaps, blendmapScale, layerTileSize);
}
stateset->setAttributeAndModes(shaderManager->getProgram(vertexShader, fragmentShader));

6
components/terrain/material.hpp
Unescape Escape View File

@ -10,9 +10,9 @@ namespace osg
class Texture2D;
}
namespace Resource
namespace Shader
{
class SceneManager;
class ShaderManager;
}
namespace Terrain
@ -26,7 +26,7 @@ namespace Terrain
bool mSpecular;
};
std::vector<osg::ref_ptr<osg::StateSet> > createPasses(bool useShaders, Resource::SceneManager* sceneManager,
std::vector<osg::ref_ptr<osg::StateSet> > createPasses(bool useShaders, Shader::ShaderManager* shaderManager,
const std::vector<TextureLayer>& layers,
const std::vector<osg::ref_ptr<osg::Texture2D> >& blendmaps, int blendmapScale, float layerTileSize);

2
files/settings-default.cfg
Unescape Escape View File

@ -67,7 +67,7 @@ head bobbing height = 3.0
# Maximum camera roll angle (degrees)
head bobbing roll = 0.2
# Reverse the depth range from [0,1] to [1,0].
# Reverse the depth range, reduces z-fighting of distant objects and terrain
reverse z = true
[Cells]

4
files/shaders/debug_fragment.glsl
Unescape Escape View File

@ -1,8 +1,8 @@
#version 120
varying vec4 passColor;
#include "vertexcolors.glsl"
void main()
{
gl_FragData[0] = passColor;
gl_FragData[0] = getDiffuseColor();
}

8
files/shaders/water_fragment.glsl
Unescape Escape View File

@ -51,6 +51,8 @@ const float WIND_SPEED = 0.2f;
const vec3 WATER_COLOR = vec3(0.090195, 0.115685, 0.12745);
const float WOBBLY_SHORE_FADE_DISTANCE = 6200.0; // fade out wobbly shores to mask precision errors, the effect is almost impossible to see at a distance
// ---------------- rain ripples related stuff ---------------------
const float RAIN_RIPPLE_GAPS = 5.0;
@ -270,10 +272,10 @@ void main(void)
vec3 normalShoreRippleRain = texture2D(normalMap,normalCoords(UV, 2.0, 2.7, -1.0*waterTimer, 0.05, 0.1, normal3)).rgb - 0.5
+ texture2D(normalMap,normalCoords(UV, 2.0, 2.7, waterTimer, 0.04, -0.13, normal4)).rgb - 0.5;
float verticalWaterDepth = realWaterDepth * mix(abs(vVec.z), 1.0, 0.2); // an estimate
float shoreOffset = verticalWaterDepth - (normal2.r + mix(0, normalShoreRippleRain.r, rainIntensity) + 0.15)*8;
float fuzzFactor = min(1.0, 1000.0/surfaceDepth) * mix(abs(vVec.z), 1, 0.2);
float shoreOffset = verticalWaterDepth - (normal2.r + mix(0.0, normalShoreRippleRain.r, rainIntensity) + 0.15)*8.0;
float fuzzFactor = min(1.0, 1000.0/surfaceDepth) * mix(abs(vVec.z), 1.0, 0.2);
shoreOffset *= fuzzFactor;
shoreOffset = clamp(shoreOffset, 0, 1);
shoreOffset = clamp(mix(shoreOffset, 1.0, clamp(linearDepth / WOBBLY_SHORE_FADE_DISTANCE, 0.0, 1.0)), 0.0, 1.0);
gl_FragData[0].xyz = mix(rawRefraction, gl_FragData[0].xyz, shoreOffset);
#else
gl_FragData[0].xyz = mix(reflection, waterColor, (1.0-fresnel)*0.5) + specular * sunSpec.xyz + vec3(rainRipple.w) * 0.7;

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