FGFS-4.1/simgear
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Compositor: Add the LOD scale parameter to scene passes

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This should allow us to change the LOD level for WS 3.0 on a per-pass basis.
This commit is contained in:
Fernando García Liñán 2021-08-16 17:02:21 +02:00
parent 910225532e
commit 6d3089ad6b
3 changed files with 7 additions and 10 deletions
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5
simgear/scene/viewer/Compositor.cxx
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@ -148,7 +148,6 @@ Compositor::Compositor(osg::View *view,
new osg::Uniform("fg_CameraPositionGeod", osg::Vec3f()),
new osg::Uniform("fg_NearFar", osg::Vec2f()),
new osg::Uniform("fg_Planes", osg::Vec3f()),
new osg::Uniform("fg_Fcoef", 0.0f),
new osg::Uniform("fg_SunDirection", osg::Vec3f()),
new osg::Uniform("fg_SunDirectionWorld", osg::Vec3f()),
}
@ -237,10 +236,6 @@ Compositor::update(const osg::Matrix &view_matrix,
case SG_UNIFORM_SUN_DIRECTION:
u->set(osg::Vec3f(sun_dir_view.x(), sun_dir_view.y(), sun_dir_view.z()));
break;
case SG_UNIFORM_FCOEF:
if (zFar != 0.0)
u->set(2.0f / log2(float(zFar) + 1.0f));
break;
default:
// Unknown uniform
break;

3
simgear/scene/viewer/Compositor.hxx
View File

@ -59,7 +59,6 @@ public:
SG_UNIFORM_CAMERA_POSITION_GEOD,
SG_UNIFORM_NEAR_FAR,
SG_UNIFORM_PLANES,
SG_UNIFORM_FCOEF,
SG_UNIFORM_SUN_DIRECTION,
SG_UNIFORM_SUN_DIRECTION_WORLD,
SG_TOTAL_BUILTIN_UNIFORMS
@ -113,7 +112,7 @@ public:
typedef std::array<
osg::ref_ptr<osg::Uniform>,
SG_TOTAL_BUILTIN_UNIFORMS> BuiltinUniforms;
const BuiltinUniforms &getUniforms() const { return _uniforms; }
const BuiltinUniforms &getBuiltinUniforms() const { return _uniforms; }
void addBuffer(const std::string &name, Buffer *buffer);
void addPass(Pass *pass);

9
simgear/scene/viewer/CompositorPass.cxx
View File

@ -451,7 +451,7 @@ public:
| osg::StateAttribute::PROTECTED);
osg::StateSet *ss = camera->getOrCreateStateSet();
for (const auto &uniform : compositor->getUniforms())
for (const auto &uniform : compositor->getBuiltinUniforms())
ss->addUniform(uniform);
return pass.release();
@ -743,6 +743,10 @@ public:
osg::Camera *camera = pass->camera;
camera->setAllowEventFocus(true);
const SGPropertyNode *p_lod_scale = root->getNode("lod-scale");
if (p_lod_scale)
camera->setLODScale(p_lod_scale->getFloatValue());
const SGPropertyNode *p_clustered = root->getNode("clustered-shading");
ClusteredShading *clustered = nullptr;
if (p_clustered) {
@ -760,8 +764,7 @@ public:
pass->update_callback = new SceneUpdateCallback(cubemap_face, zNear, zFar);
osg::StateSet *ss = camera->getOrCreateStateSet();
auto &uniforms = compositor->getUniforms();
ss->addUniform(uniforms[Compositor::SG_UNIFORM_FCOEF]);
auto &uniforms = compositor->getBuiltinUniforms();
ss->addUniform(uniforms[Compositor::SG_UNIFORM_SUN_DIRECTION]);
ss->addUniform(uniforms[Compositor::SG_UNIFORM_SUN_DIRECTION_WORLD]);