I'm doing some logging and noticed that on 64-bit platforms I can use the /64bit switch to run 64-bit dxdiag. I assume there must be some reason for doing this, namely additional functionality in the 64-bit version (or incorrect/insufficient functionality when using the 32-bit version on x64). What exactly are the differences?
No, there is nothing "extra" when running DXDiag in 64-bit mode, it simply runs the native 64-bit executable files instead of the 32-bit files. The 64-bit ones will not need to be emulated or done in compatibility mode and will be able to make the maximum usage of the system, so they (should) be able to run faster and more reliably.
(That said, it would be possible that in 32-bit mode, it has to skip some tests that would only be possible in 64-bit mode, similar to how a game can have "extra" content in the form of special graphical effects that are only available with a fancier video-card that supports them. However, that doesn't really apply to DXDiag; speed and stability are really the only "extras" you get.)
The problem is the application is released with "Any CPU" as configuration and when a user runs it on a 64 bit windows, the direcX part crashes (System.BadImageFormatException). Apparently the dlls included for the directX part is not usable on a 64 bit windows.
This has happened with some other 3:rd part dlls that we use in our application but this we have solved by changing the dlls in runtime to the ones built for x64 if the user are running on a 64 bit windows machine. Do any of you know where I can find DirectX 9 dlls for x64? If they exist at all.
DirectX 11 can be used on a computer running Windows 11 or Windows 10. Previous versions of the operating system shouldn't be a problem with Windows 8, Windows 7 and Windows Vista having been tested. Windows XP is supported. It runs on both 32-bit and 64-bit systems with no dedicated 64-bit download provided.Filed under: DirectX 11 DownloadFree ComponentsWe have tested DirectX 11 11 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans.Download for Windows 95.63 MB - Tested clean
The DirectXMath API provides SIMD-friendly C++ types and functions for common linear algebra and graphics math operations common to DirectX applications. The library provides optimized versions for Windows 32-bit (x86), Windows 64-bit (x64), and Windows on ARM/ARM64 through SSE, AVX, and ARM-NEON intrinsics support in the Visual C++ compiler.
DirectX 9.0c (which includes the runtime web installer) is a selection of technologies developed by Microsoft which make running rich and immersive gaming on Windows systems possible.Most modern games require this prerequesite to be installed on your Windows system in order to function. The DirectX 9.0c package may be used to satisfy these requirements.DirectX 9.0c includes support for Pixel Shader and Vertex Shader 3.0, along with many new features across all technologies, which can be accessed by applications using DirectX.The latest version of the Windows Gaming API includes the new High-Level Shader Language which new games can take advantage of.It's already installed on Windows 7 and aboveWindows 7 comes with a newer version of DirectX but is fully compatible with all of the new features of DirectX 9.0 and above. Additionally, in order to take advantage of the features of DirectX, you must ensure that you have installed a DirectX compliant video card.If you're wanting an even newer version, DirectX 10 is also available. This version is the download of the redistributable version. That means it may be included in software packages or just simply used freely by anyone wishing to update their DirectX version on Windows XP or Windows 7 (32-bit).The package contains the installer for Windows XP, the installer for Windows 7 and is compatible with the redistributable from February 2010 and June 2010. This web installer package works with DirectX 9 graphics devices with WDDM 1.0 or higher drivers. In case you run into issues when installing this package, you may have an older video card that is not compatible with DirectX 9.0c.Please note: If you are using Windows 7 and a game or other programs requires you to have compatible video or audio driver installed, you should check to see whether there is a patch available for the game or program you have installed. In some cases, simply installing updated drivers for your video or audio card solves the problem. If updating drivers doesn't help, running the program in compatibility mode may.DirectShow accelerates video rendering hardware, and Direct3D enhances low-level graphics programmability with new programmable vertex and pixel shader 2.0 models. DirectX 9.0c includes support for Pixel Shader and Vertex Shader 3.0.The program can't start because d3dx9_35.dll is missingFinally, you can give this application a go if you experience this issue on your computer. Though if you're running Windows 8, Windows 10 or Windows 11, it's unlikely to be of much help as these files come standard with the operating system itself.Features of DirectX 9.0c
Yes. It can run on a PC with Windows 11 or Windows 10. Previous versions of the operating system shouldn't be a problem with Windows 8, Windows 7 and Windows Vista having been tested. Windows XP is supported. It runs on both 32-bit and 64-bit systems with no dedicated 64-bit download provided.Filed under: DirectX Runtime DownloadFree ComponentsDirectX Web Installation SoftwareSoftware for Windows 11We have tested DirectX Runtime 9.29.1974 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans.Download for Windows 288.4 KB - Tested clean
DirectX 11 is a set of APIs (Application Programming Interfaces) for handling tasks like 3D graphics, gaming, video, and audio. Originally released on October 27, 2009, as a part of Windows 7 (32-bit & 64-bit PCs) by Microsoft, it builds upon the features of DirectX 10 while also adding newer features for improved performance and better efficiency.
The pack intrinsic functions allow packing a vector of 4 signed or unsigned values into a packed 32-bit value represented by the new packed data types. One version performs a datatype clamp and the other simply drops the unused bits.
If you use 3D PDF and have installed either 32-bit (Acrobat/Reader) or 64-bit Adobe Acrobat to open the rich and interactive documents from Anark, you may have seen recent changes as part of the Adobe continuous release process that could impact the quality and performance of your 3D PDF/3Di documents. In this post you'll find a brief history of 3D PDF to set the context, a breakdown of 32 vs. 64-bit Adobe Acrobat, a brief overview of what's available beyond 3D PDF to help you guard against issues like this in the future and information of what can be done to optimize your 3D PDF viewing experience today.
Adobe Acrobat 64-bit 3D PDF Support Updates
In December of 2022, Adobe did not support hardware acceleration for 3D model viewing in the 64-bit version of Adobe Acrobat due to Microsoft dropping support for DirectX 9. 32-bit Adobe Acrobat/Reader was working properly at that time. At the top of 2023 support for Windows 32-bit has since been formally ended by Adobe, recent Anark testing of Adobe Acrobat 64-bit has found that it will work properly, uses hardware rendering, and provides the performance advantages of 64-bit.