Add SMaterial::IUserData to make it easier passing additional values to shaders

Irrlicht generally avoided user pointers in the past, but after trying all kind of ugly workarounds - this is just easier and
not that much downsides really. Tiny speed costs due to additional SMaterial memory size and new comparison tests. 
But allows to keep SMaterial alive and useful for a while longer without needing a complete rewrite and it can now be used for stuff like writing PBR shaders.
Using a new interface io::IUserData for this which also allows serialization the user data (that part is untested so far, sorry)


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6567 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
2023-11-07 15:43:49 +00:00
parent d0605cf397
commit 3c9a856e6d
20 changed files with 155 additions and 6 deletions

View File

@ -2164,6 +2164,9 @@ io::IAttributes* CNullDriver::createAttributesFromMaterial(const video::SMateria
attr->addFloat("PolygonOffsetDepthBias", material.PolygonOffsetDepthBias);
attr->addFloat("PolygonOffsetSlopeScale", material.PolygonOffsetSlopeScale);
if ( material.UserData )
material.UserData->serializeAttributes(attr, options);
// TODO: Would be nice to have a flag that only serializes rest of texture data when a texture pointer exists.
prefix = "BilinearFilter";
for (i=0; i<MATERIAL_MAX_TEXTURES; ++i)
@ -2249,6 +2252,9 @@ void CNullDriver::fillMaterialStructureFromAttributes(video::SMaterial& outMater
outMaterial.PolygonOffsetDepthBias = attr->getAttributeAsFloat("PolygonOffsetDepthBias", outMaterial.PolygonOffsetDepthBias);
outMaterial.PolygonOffsetSlopeScale = attr->getAttributeAsFloat("PolygonOffsetSlopeScale", outMaterial.PolygonOffsetSlopeScale);
if ( outMaterial.UserData )
outMaterial.UserData->deserializeAttributes(attr);
prefix = "BilinearFilter";
if (attr->existsAttribute(prefix.c_str())) // legacy
outMaterial.setFlag(EMF_BILINEAR_FILTER, attr->getAttributeAsBool(prefix.c_str()));

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@ -421,6 +421,7 @@
<Unit filename="../../include/EReadFileType.h" />
<Unit filename="../../include/ESceneNodeAnimatorTypes.h" />
<Unit filename="../../include/ESceneNodeTypes.h" />
<Unit filename="../../include/ESceneNodeUpdateAbs.h" />
<Unit filename="../../include/EShaderTypes.h" />
<Unit filename="../../include/ETerrainElements.h" />
<Unit filename="../../include/IAnimatedMesh.h" />
@ -1014,6 +1015,7 @@
<Unit filename="IDepthBuffer.h" />
<Unit filename="IImagePresenter.h" />
<Unit filename="ITriangleRenderer.h" />
<Unit filename="IUserData.h" />
<Unit filename="IZBuffer.h" />
<Unit filename="Irrlicht.cpp" />
<Unit filename="Octree.h" />

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@ -871,6 +871,7 @@
<ClInclude Include="..\..\include\IRenderTarget.h" />
<ClInclude Include="..\..\include\IrrCompileConfig.h" />
<ClInclude Include="..\..\include\irrlicht.h" />
<ClInclude Include="..\..\include\IUserData.h" />
<ClInclude Include="..\..\include\leakHunter.h" />
<ClInclude Include="..\..\include\IrrlichtDevice.h" />
<ClInclude Include="..\..\include\irrTypes.h" />

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@ -1446,6 +1446,9 @@
<ClInclude Include="CBufferRenderNode.h">
<Filter>Irrlicht\scene\sceneNodes</Filter>
</ClInclude>
<ClInclude Include="..\..\include\IUserData.h">
<Filter>include\io</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<None Include="..\..\changes.txt">

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@ -868,6 +868,7 @@
<ClInclude Include="..\..\include\IRenderTarget.h" />
<ClInclude Include="..\..\include\IrrCompileConfig.h" />
<ClInclude Include="..\..\include\irrlicht.h" />
<ClInclude Include="..\..\include\IUserData.h" />
<ClInclude Include="..\..\include\leakHunter.h" />
<ClInclude Include="..\..\include\IrrlichtDevice.h" />
<ClInclude Include="..\..\include\irrTypes.h" />

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@ -1437,7 +1437,19 @@
</ClInclude>
<ClInclude Include="..\..\include\EDeviceTypes.h">
<Filter>include</Filter>
</ClInclude>
</ClInclude>
<ClInclude Include="..\..\include\EMeshBufferTypes.h">
<Filter>include\scene</Filter>
</ClInclude>
<ClInclude Include="..\..\include\ESceneNodeUpdateAbs.h">
<Filter>include\scene</Filter>
</ClInclude>
<ClInclude Include="CBufferRenderNode.h">
<Filter>Irrlicht\scene\sceneNodes</Filter>
</ClInclude>
<ClInclude Include="..\..\include\IUserData.h">
<Filter>include\io</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<None Include="..\..\changes.txt">

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@ -868,6 +868,7 @@
<ClInclude Include="..\..\include\IRenderTarget.h" />
<ClInclude Include="..\..\include\IrrCompileConfig.h" />
<ClInclude Include="..\..\include\irrlicht.h" />
<ClInclude Include="..\..\include\IUserData.h" />
<ClInclude Include="..\..\include\leakHunter.h" />
<ClInclude Include="..\..\include\IrrlichtDevice.h" />
<ClInclude Include="..\..\include\irrTypes.h" />

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@ -1437,7 +1437,19 @@
</ClInclude>
<ClInclude Include="..\..\include\EDeviceTypes.h">
<Filter>include</Filter>
</ClInclude>
</ClInclude>
<ClInclude Include="..\..\include\EMeshBufferTypes.h">
<Filter>include\scene</Filter>
</ClInclude>
<ClInclude Include="..\..\include\ESceneNodeUpdateAbs.h">
<Filter>include\scene</Filter>
</ClInclude>
<ClInclude Include="CBufferRenderNode.h">
<Filter>Irrlicht\scene\sceneNodes</Filter>
</ClInclude>
<ClInclude Include="..\..\include\IUserData.h">
<Filter>include\io</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<None Include="..\..\changes.txt">

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@ -1438,6 +1438,18 @@
<ClInclude Include="..\..\include\EDeviceTypes.h">
<Filter>include</Filter>
</ClInclude>
<ClInclude Include="..\..\include\EMeshBufferTypes.h">
<Filter>include\scene</Filter>
</ClInclude>
<ClInclude Include="..\..\include\ESceneNodeUpdateAbs.h">
<Filter>include\scene</Filter>
</ClInclude>
<ClInclude Include="CBufferRenderNode.h">
<Filter>Irrlicht\scene\sceneNodes</Filter>
</ClInclude>
<ClInclude Include="..\..\include\IUserData.h">
<Filter>include\io</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<None Include="..\..\changes.txt">

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@ -879,6 +879,7 @@
<ClInclude Include="..\..\include\IRenderTarget.h" />
<ClInclude Include="..\..\include\IrrCompileConfig.h" />
<ClInclude Include="..\..\include\irrlicht.h" />
<ClInclude Include="..\..\include\IUserData.h" />
<ClInclude Include="..\..\include\leakHunter.h" />
<ClInclude Include="..\..\include\IrrlichtDevice.h" />
<ClInclude Include="..\..\include\irrTypes.h" />

View File

@ -1437,7 +1437,19 @@
</ClInclude>
<ClInclude Include="..\..\include\EDeviceTypes.h">
<Filter>include</Filter>
</ClInclude>
</ClInclude>
<ClInclude Include="..\..\include\EMeshBufferTypes.h">
<Filter>include\scene</Filter>
</ClInclude>
<ClInclude Include="..\..\include\ESceneNodeUpdateAbs.h">
<Filter>include\scene</Filter>
</ClInclude>
<ClInclude Include="CBufferRenderNode.h">
<Filter>Irrlicht\scene\sceneNodes</Filter>
</ClInclude>
<ClInclude Include="..\..\include\IUserData.h">
<Filter>include\io</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<None Include="..\..\changes.txt">

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@ -606,6 +606,7 @@
<ClInclude Include="..\..\include\IRenderTarget.h" />
<ClInclude Include="..\..\include\IrrCompileConfig.h" />
<ClInclude Include="..\..\include\irrlicht.h" />
<ClInclude Include="..\..\include\IUserData.h" />
<ClInclude Include="..\..\include\leakHunter.h" />
<ClInclude Include="..\..\include\IrrlichtDevice.h" />
<ClInclude Include="..\..\include\irrTypes.h" />

View File

@ -1438,6 +1438,18 @@
<ClInclude Include="..\..\include\EDeviceTypes.h">
<Filter>include</Filter>
</ClInclude>
<ClInclude Include="..\..\include\EMeshBufferTypes.h">
<Filter>include\scene</Filter>
</ClInclude>
<ClInclude Include="..\..\include\ESceneNodeUpdateAbs.h">
<Filter>include\scene</Filter>
</ClInclude>
<ClInclude Include="CBufferRenderNode.h">
<Filter>Irrlicht\scene\sceneNodes</Filter>
</ClInclude>
<ClInclude Include="..\..\include\IUserData.h">
<Filter>include\io</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<None Include="..\..\changes.txt">

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@ -614,6 +614,7 @@
<ClInclude Include="..\..\include\IRenderTarget.h" />
<ClInclude Include="..\..\include\IrrCompileConfig.h" />
<ClInclude Include="..\..\include\irrlicht.h" />
<ClInclude Include="..\..\include\IUserData.h" />
<ClInclude Include="..\..\include\leakHunter.h" />
<ClInclude Include="..\..\include\IrrlichtDevice.h" />
<ClInclude Include="..\..\include\irrTypes.h" />

View File

@ -1438,9 +1438,18 @@
<ClInclude Include="..\..\include\EDeviceTypes.h">
<Filter>include</Filter>
</ClInclude>
<ClInclude Include="..\..\include\EMeshBufferTypes.h">
<Filter>include\scene</Filter>
</ClInclude>
<ClInclude Include="..\..\include\ESceneNodeUpdateAbs.h">
<Filter>include\scene</Filter>
</ClInclude>
<ClInclude Include="CBufferRenderNode.h">
<Filter>Irrlicht\scene\sceneNodes</Filter>
</ClInclude>
<ClInclude Include="..\..\include\IUserData.h">
<Filter>include\io</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<None Include="..\..\changes.txt">