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Depth flag handling fixes (bug #7380)

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Properly disable depth test while allowing depth writes to happen
Remove NiStencilProperty interaction
Don't set up depth flags for BSShaderPPLightingProperty
macos_ci_fix
Alexei Kotov 6 months ago
parent 231803c6ea
commit 116ef1c62b
3 changed files with 75 additions and 13 deletions
Show Stats Download Patch File Download Diff File

1
CHANGELOG.md
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@ -69,6 +69,7 @@
Bug #7298: Water ripples from projectiles sometimes are not spawned
Bug #7307: Alchemy "Magic Effect" search string does not match on tool tip for effects related to attributes
Bug #7322: Shadows don't cover groundcover depending on the view angle and perspective with compute scene bounds = primitives
Bug #7380: NiZBufferProperty issue
Bug #7413: Generated wilderness cells don't spawn fish
Bug #7415: Unbreakable lock discrepancies
Bug #7428: AutoCalc flag is not used to calculate enchantment costs

66
apps/openmw_test_suite/nifosg/testnifloader.cpp
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@ -108,7 +108,64 @@ osg::Group {
)");
}
std::string formatOsgNodeForShaderProperty(std::string_view shaderPrefix)
std::string formatOsgNodeForBSShaderProperty(std::string_view shaderPrefix)
{
std::ostringstream oss;
oss << R"(
osg::Group {
UniqueID 1
DataVariance STATIC
UserDataContainer TRUE {
osg::DefaultUserDataContainer {
UniqueID 2
UDC_UserObjects 1 {
osg::StringValueObject {
UniqueID 3
Name "fileHash"
}
}
}
}
Children 1 {
osg::Group {
UniqueID 4
DataVariance STATIC
UserDataContainer TRUE {
osg::DefaultUserDataContainer {
UniqueID 5
UDC_UserObjects 3 {
osg::UIntValueObject {
UniqueID 6
Name "recIndex"
Value 4294967295
}
osg::StringValueObject {
UniqueID 7
Name "shaderPrefix"
Value ")"
<< shaderPrefix << R"("
}
osg::BoolValueObject {
UniqueID 8
Name "shaderRequired"
Value TRUE
}
}
}
}
StateSet TRUE {
osg::StateSet {
UniqueID 9
}
}
}
}
}
)";
return oss.str();
}
std::string formatOsgNodeForBSLightingShaderProperty(std::string_view shaderPrefix)
{
std::ostringstream oss;
oss << R"(
@ -162,7 +219,6 @@ osg::Group {
AttributeList 1 {
osg::Depth {
UniqueID 10
WriteMask FALSE
}
Value OFF
}
@ -204,7 +260,7 @@ osg::Group {
Nif::NIFFile file("test.nif");
file.mRoots.push_back(&node);
auto result = Loader::load(file, &mImageManager);
EXPECT_EQ(serialize(*result), formatOsgNodeForShaderProperty(GetParam().mExpectedShaderPrefix));
EXPECT_EQ(serialize(*result), formatOsgNodeForBSShaderProperty(GetParam().mExpectedShaderPrefix));
}
INSTANTIATE_TEST_SUITE_P(Params, NifOsgLoaderBSShaderPrefixTest, ValuesIn(NifOsgLoaderBSShaderPrefixTest::sParams));
@ -228,11 +284,13 @@ osg::Group {
property.mTextureSet = nullptr;
property.mController = nullptr;
property.mType = GetParam().mShaderType;
property.mShaderFlags1 |= Nif::BSShaderFlags1::BSSFlag1_DepthTest;
property.mShaderFlags2 |= Nif::BSShaderFlags2::BSSFlag2_DepthWrite;
node.mProperties.push_back(Nif::RecordPtrT<Nif::NiProperty>(&property));
Nif::NIFFile file("test.nif");
file.mRoots.push_back(&node);
auto result = Loader::load(file, &mImageManager);
EXPECT_EQ(serialize(*result), formatOsgNodeForShaderProperty(GetParam().mExpectedShaderPrefix));
EXPECT_EQ(serialize(*result), formatOsgNodeForBSLightingShaderProperty(GetParam().mExpectedShaderPrefix));
}
INSTANTIATE_TEST_SUITE_P(

21
components/nifosg/nifloader.cpp
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@ -1964,11 +1964,17 @@ namespace NifOsg
return texEnv;
}
void handleDepthFlags(osg::StateSet* stateset, bool depthTest, bool depthWrite,
osg::Depth::Function depthFunction = osg::Depth::LESS)
void handleDepthFlags(osg::StateSet* stateset, bool depthTest, bool depthWrite)
{
stateset->setMode(GL_DEPTH_TEST, depthTest ? osg::StateAttribute::ON : osg::StateAttribute::OFF);
osg::ref_ptr<osg::Depth> depth = new osg::Depth(depthFunction, 0.0, 1.0, depthWrite);
if (!depthWrite && !depthTest)
{
stateset->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
return;
}
osg::ref_ptr<osg::Depth> depth = new osg::Depth;
depth->setWriteMask(depthWrite);
if (!depthTest)
depth->setFunction(osg::Depth::ALWAYS);
depth = shareAttribute(depth);
stateset->setAttributeAndModes(depth, osg::StateAttribute::ON);
}
@ -2328,10 +2334,8 @@ namespace NifOsg
{
const Nif::NiZBufferProperty* zprop = static_cast<const Nif::NiZBufferProperty*>(property);
osg::StateSet* stateset = node->getOrCreateStateSet();
// Morrowind ignores depth test function, unless a NiStencilProperty is present, in which case it
// uses a fixed depth function of GL_ALWAYS.
osg::Depth::Function depthFunction = hasStencilProperty ? osg::Depth::ALWAYS : osg::Depth::LESS;
handleDepthFlags(stateset, zprop->depthTest(), zprop->depthWrite(), depthFunction);
// The test function from this property seems to be ignored.
handleDepthFlags(stateset, zprop->depthTest(), zprop->depthWrite());
break;
}
// OSG groups the material properties that NIFs have separate, so we have to parse them all again when
@ -2370,7 +2374,6 @@ namespace NifOsg
textureSet, texprop->mClamp, node->getName(), stateset, imageManager, boundTextures);
}
handleTextureControllers(texprop, composite, imageManager, stateset, animflags);
handleDepthFlags(stateset, texprop->depthTest(), texprop->depthWrite());
break;
}
case Nif::RC_BSShaderNoLightingProperty:

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