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<p class="MsoNormal">As Jayathrith said, in OpenGL as well as Metal only NEAREST and LINEAR filters are available.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">There might be a way of getting around it by implementing some own algorithm for OpenGL and Metal but that seem slightly</p>
<p class="MsoNormal">over the top. So either one would have to keep the options limited to the two supported everywhere</p>
<p class="MsoNormal">or go with the “conditional” features.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Having had a look at DirectX the APIs seem not to differ too much.</p>
<p class="MsoNormal">If I remember correctly, in OpenGL you parse the texture filter when the texture is being created, while in DirectX as it is bound</p>
<p class="MsoNormal">to the sampler (it is a sampler state after all) it would have to be set before every render call. However it shouldn’t make any</p>
<p class="MsoNormal">API difference really, as we can just have a field somewhere and the parse it along when needed.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Cheers,</p>
<p class="MsoNormal">Matija.</p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="border:none;padding:0cm"><b>From: </b><a href="mailto:jayathirth.d.v@oracle.com">Jayathirth Rao Daarapuram Venkatesh Murthy</a><br>
<b>Sent: </b>Wednesday, 21 June 2023 13:09<br>
<b>To: </b><a href="mailto:nlisker@gmail.com">Nir Lisker</a>; <a href="mailto:Matija.Brown@outlook.de">
Matija Brown</a><br>
<b>Cc: </b><a href="mailto:openjfx-dev@openjdk.org">openjfx-dev@openjdk.org</a><br>
<b>Subject: </b>Re: [JavaFX 3D ( | Feature Request)] Setting Texture Nearest-Sampling on PhongMaterial</p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-IN" style="mso-fareast-language:EN-US">In OpenGL we set GL_LINEAR by default at :
<a href="https://github.com/openjdk/jfx/blob/0d9dcf38275528e1b621d71631aac5bdb9452110/modules/javafx.graphics/src/main/java/com/sun/prism/es2/ES2Texture.java#L221">
https://github.com/openjdk/jfx/blob/0d9dcf38275528e1b621d71631aac5bdb9452110/modules/javafx.graphics/src/main/java/com/sun/prism/es2/ES2Texture.java#L221</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="mso-fareast-language:EN-US">And Metal supports only two types of Min/Max filters : Nearest(default) and Linear. So even if D3D supports multiple types we might be limited to support only these 2 filters for all
platforms.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="mso-fareast-language:EN-US">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="mso-fareast-language:EN-US">Jay<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span lang="EN-IN" style="font-size:12.0pt;color:black">From:
</span></b><span lang="EN-IN" style="font-size:12.0pt;color:black">openjfx-dev <openjfx-dev-retn@openjdk.org> on behalf of Nir Lisker <nlisker@gmail.com><br>
<b>Date: </b>Wednesday, 21 June 2023 at 3:57 PM<br>
<b>To: </b>Matija Brown <Matija.Brown@outlook.de><br>
<b>Cc: </b>openjfx-dev@openjdk.org <openjfx-dev@openjdk.org><br>
<b>Subject: </b>Re: [JavaFX 3D ( | Feature Request)] Setting Texture Nearest-Sampling on PhongMaterial<o:p></o:p></span></p>
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<span lang="EN-GB">First of all, please excuse directly e-mailing you earlier today. Working with mailing lists is quite new for me and apparently I forgot to add</span><span lang="EN-IN"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:4.8pt">
<span lang="EN-GB">the mailing list to cc.</span><span lang="EN-IN"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN">I didn't get any private email, so you seem to be doing better than you thought with the mailing list :)<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">With the OpenGL-side I do have some experience. Concerning the D3D-side of things it would probably mean convincing<o:p></o:p></span></p>
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<span lang="EN-IN">Somebody that it is a good idea to finally apply the suggested change.<o:p></o:p></span></p>
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<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">There would be some API change required of course. As a basic concept it would probably be sensible to add this as a parameter to the PhonMaterial-class.<o:p></o:p></span></p>
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<span lang="EN-IN">Alternatively it might make sense to add a “Texture” class that is used a a DiffuseMap in the PhonMaterial. But that seems slightly overkill.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN">Where to put the new methods in the Java side is not the concerning part, it's how to create methods that match all the pipelines. In D3D, the method for setting the filter is detailed in [1], and its possible parameters
in [2][3][4]. So suppose that I'm looking at the list of available filter types there:<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN">D3DTEXF_NONE, D3DTEXF_POINT, D3DTEXF_LINEAR, D3DTEXF_ANISOTROPIC, D3DTEXF_PYRAMIDALQUAD, D3DTEXF_GAUSSIANQUAD, D3DTEXF_CONVOLUTIONMONO,<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN">if OpenGL supports a somewhat different set of filters, we will have some clashes in the Java API side.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN">Generally, we would like to give as much flexibility to the user as possible, but need to be careful with platform-specific functionality. We could round *some* corners. For example, I think that if we have an enum for
the filter types above that is a union of the ones available in the different pipelines, and if a few are supported by only one of the pipelines, we could note it in the docs and get away with it (something similar to a conditional feature). However, if the
whole native pipeline setup for texture filtering is different, which means a different set of Java API methods per pipeline, then that's too much.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN">All this means is that to continue we need to figure out what the API for each pipeline looks like, what's the most functionality we can have for each pipeline, and then how we can unite them into a single Java API with
the hopes of being able to reconcile the differences "well enough" (whatever that will mean).<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN">[1] <a href="https://learn.microsoft.com/en-us/windows/win32/api/d3d9helper/nf-d3d9helper-idirect3ddevice9-setsamplerstate">https://learn.microsoft.com/en-us/windows/win32/api/d3d9helper/nf-d3d9helper-idirect3ddevice9-setsamplerstate</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN">[2] <a href="https://learn.microsoft.com/en-us/windows/win32/direct3d9/d3dtexturefiltertype">https://learn.microsoft.com/en-us/windows/win32/direct3d9/d3dtexturefiltertype</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN">[3] <a href="https://learn.microsoft.com/en-us/windows/win32/direct3d9/d3dsamplerstatetype">https://learn.microsoft.com/en-us/windows/win32/direct3d9/d3dsamplerstatetype</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN">[4] <a href="https://learn.microsoft.com/en-us/windows/win32/direct3d9/vertex-textures-in-vs-3-0">https://learn.microsoft.com/en-us/windows/win32/direct3d9/vertex-textures-in-vs-3-0</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-IN">On Wed, Jun 21, 2023 at 12:45 PM Matija Brown <<a href="mailto:Matija.Brown@outlook.de" target="_blank">Matija.Brown@outlook.de</a>> wrote:<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:4.8pt">
<span lang="EN-GB">First of all, please excuse directly e-mailing you earlier today. Working with mailing lists is quite new for me and apparently I forgot to add</span><span lang="EN-IN"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:4.8pt">
<span lang="EN-GB">the mailing list to cc.</span><span lang="EN-IN"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:4.8pt">
<span lang="EN-GB"> </span><span lang="EN-IN"><o:p></o:p></span></p>
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<span lang="EN-IN">With the OpenGL-side I do have some experience. Concerning the D3D-side of things it would probably mean convincing<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:4.8pt">
<span lang="EN-IN">Somebody that it is a good idea to finally apply the suggested change.<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:4.8pt">
<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">There would be some API change required of course. As a basic concept it would probably be sensible to add this as a parameter to the PhonMaterial-class.<o:p></o:p></span></p>
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<span lang="EN-IN">Alternatively it might make sense to add a “Texture” class that is used a a DiffuseMap in the PhonMaterial. But that seems slightly overkill.<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:4.8pt">
<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">As I am not very well acquainted with current design principles of this library, these things should lie in more experience contributors hands.<o:p></o:p></span></p>
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<span lang="EN-IN"> <o:p></o:p></span></p>
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<b><span lang="EN-IN">From: </span></b><span lang="EN-IN"><a href="mailto:nlisker@gmail.com" target="_blank">Nir Lisker</a><br>
<b>Sent: </b>Tuesday, 20 June 2023 20:50<br>
<b>To: </b><a href="mailto:Matija.Brown@outlook.de" target="_blank">Matija Brown</a><br>
<b>Cc: </b><a href="mailto:openjfx-dev@openjdk.org" target="_blank">openjfx-dev@openjdk.org</a><br>
<b>Subject: </b>Re: [JavaFX 3D ( | Feature Request)] Setting Texture Nearest-Sampling on PhongMaterial<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:4.8pt">
<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">Which leads to the question; Does there, in JavaFX exist something comparable to setting the texture-sampler to NEAREST<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:9.6pt">
<span lang="EN-IN">instead of LINEAR sampling?<o:p></o:p></span></p>
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<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">There is no API to set the texture filter. If you would like to contribute and add it, I can help. It needs to be compatible with both Direct3D and OpenGL (not sure how the work on Metal is going), so this can be a challenge.<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:4.8pt">
<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">For the D3D side, see this issue in JBS [1]. The relevant code is at [2]. I didn't look at the OpenGL side.<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:4.8pt">
<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">- Nir<o:p></o:p></span></p>
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<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">[1] <a href="https://bugs.openjdk.org/browse/JDK-8092272" target="_blank">https://bugs.openjdk.org/browse/JDK-8092272</a> <o:p></o:p></span></p>
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<span lang="EN-IN">[2] <a href="https://github.com/openjdk/jfx/blob/0d9dcf38275528e1b621d71631aac5bdb9452110/modules/javafx.graphics/src/main/native-prism-d3d/D3DContext.cc#L621" target="_blank">https://github.com/openjdk/jfx/blob/0d9dcf38275528e1b621d71631aac5bdb9452110/modules/javafx.graphics/src/main/native-prism-d3d/D3DContext.cc#L621</a><o:p></o:p></span></p>
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<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">On Mon, Jun 19, 2023 at 10:15 PM Matija Brown <<a href="mailto:Matija.Brown@outlook.de" target="_blank">Matija.Brown@outlook.de</a>> wrote:<o:p></o:p></span></p>
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<span lang="EN-IN">On my never ending journey of building a Minecraft-clone in every graphics-framework available,<o:p></o:p></span></p>
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<span lang="EN-IN">I have come across JavaFX for the next attempt.<o:p></o:p></span></p>
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<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">However a minor inconvenience has crossed my path in the process:<o:p></o:p></span></p>
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<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">Using the (very well developed!) 2D-Graphics displaying pixel-art style images is no trouble whatsoever.<o:p></o:p></span></p>
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<span lang="EN-IN">Simply rendering it to a canvas and disabling smoothing does the job just fine. Unfortunately, I have been<o:p></o:p></span></p>
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<span lang="EN-IN">unable to figure out how to achieve a similar thing using the 3D-Graphics engine and the PhongMaterial that comes with it.<o:p></o:p></span></p>
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<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">Which leads to the question; Does there, in JavaFX exist something comparable to setting the texture-sampler to NEAREST<o:p></o:p></span></p>
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<span lang="EN-IN">instead of LINEAR sampling?<o:p></o:p></span></p>
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<span lang="EN-IN">Unfortunately the latest information I could find online was from about 2013 and much has (probably)<o:p></o:p></span></p>
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<span lang="EN-IN">changed since then. Thus the question is being posed once again.<o:p></o:p></span></p>
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<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">I whish to excuse myself for probably repeating a fairly common question,<o:p></o:p></span></p>
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<span lang="EN-IN"> <o:p></o:p></span></p>
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<span lang="EN-IN">Kind regards,<br>
Matija Brown.<o:p></o:p></span></p>
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<span lang="EN-IN"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"><o:p> </o:p></span></p>
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