October 2001 - HOpenGL

Re: thank you for the package...but still won't compile
by Sven Panne 31 Oct '01

31 Oct '01

[ I've re-routed this into the main list, because other people could have the same problem. ] Denver wrote: > 'make depend' was successful...but 'make all' wasn't unfortunately. > i received these errors: > /tmp/ghc1407.hc: In function `GLzuErrors_zdwunmarshallzuError_fast1': > > /tmp/ghc1407.hc:654: `GLU_INCOMPATIBLE_GL_VERSION' undeclared (first use in this function) > make[1]: *** [GL_Errors.o] Error 1 > > make: *** [all] Error 1 > please help me with this. Thank you That looks like mixing GL headers from different sources, but that's only a guess. Did you copy cygwin's GL headers into GHC's mingw include directory (where they should be)? What cygwin version are you using? Cheers, S. -- Sven Panne Fon: +49/89/99567000 Fax: +49/89/99567461 BetaResearch GmbH, Betastr. 1, D-85774 Unterfoehring mailto:Sven_Panne@BetaResearch.de http://www.betaresearch.de

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HOpenGL-1.01 Feedback
by Andre W B Furtado 31 Oct '01

31 Oct '01

Ok, here is my installing feedback about the "HOpenGL-1.01 compatibility release pack for GHC-5.02": ** 1 ** Besides the following thing appears in the "configure" step: checking for GL/glut.h... yes and besides the glut.h directory IS in my cygwin.bat PATH, I got a very boring error during the "make" step: C:\WINDOWS\TEMP\ghc-476717.hc:4: GL/glut.h: No such file or directory The solution I used was replacing all "-#include <GL/glut.h>" by the absolute path of glut.h (in my case, "-#include <c:/usr/include/GL/glut.h>") in the HOpenGL files. That worked fine, but why did it happen? ** 2 ** During the "make" step, I got a LOT of warnings like: * Warning: Defined but not used: [...] * C:\WINDOWS\TEMP\ghc-432219.hc:71: warning: assignment discards qualifiers from pointer target type * Warning: Module `GL_VertexSpec' is imported, but nothing from it is used But I guess this happens because this is a "compatibility release", am I right? ** 3 ** After all the compilation process, when I tryied to run "hello.exe", I got the following messages in cygwin: opengl.dll not found (this appeared in a pop-up window) BASH.EXE: ./hello: Permission denied (in the cygwin shell) Trying to run the same example in the Windows Explorer, I got: glut.dll not found (pop-up window) I remember I needed to copy glut.dll to my "redboot_HS" in HOpenGL-1.00, so I did this. Then (still in Windows Explorer) I got: opengl.dll not found (pop-up window) I have the file opengl32.dll, but I needed to search opengl.dll in the web. I was surprised by this, because the opengl.org tech support (www.opengl.org/developers/faqs/technical/mswindows.htm) says that: "Unless there's an absolutely compelling reason ... I really would suggest using opengl32.dll, and letting the old opengl.dll thing die. opengl.dll comes from the now totally unsupported OpenGL for Windows release of OpenGL for Microsoft Windows by SGI. We stopped supporting that release over two years -- like no one ever touches the code." Ok, I found opengl.dll in http://tigger.uic.edu/~jayvee/opengl/opengldlls.zip and placed it in the redbook_HS folder. Unfortunately, the examples did not run... a very weird window was opened and the expected program didn't appear. I restarted my computer then and, when I tryied to run the examples again, I got a illegal operation (HELLO caused a invalid page fault in module WINMM.DLL in 0167:bfdf6633) *** I remember I had this problem no.3 in HOpenGL-1.00 too, but I don't remember how I solved it... It seems to me it's related with opengl.dll/opengl32.dll. Suggestions? -- Andre

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Green-card for GHC-5.02 & HOpenGL-1.01
by Andre W B Furtado 30 Oct '01

30 Oct '01

There is a nice version of Green-Card if you wish to use HOpenGL-1.01 compatibility pack. It was compiled by Andre Santos at CIn (Informatics Centre/UFPE - Recife, Brazil). You can get it in: http://www.cin.ufpe.br/~alms/GreenCard/GreenCardforGHC5.02.zip -- Andre

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2 simple questions...
by Andre W B Furtado 30 Oct '01

30 Oct '01

1. I am part of a group which is pretending to develop a 3D-engine, and I suggested working with HOpenGL. Some people liked some functionalities of HOpenGL, but they would like to know if it is possible to work with C/C++ code AND issue some calls to HOpenGL routines. Is it possible? Or the only way is to work around with the FFI? 2. People were surprised when I told that GLUT (the one that "came with" HOpenGL) supports joystick. They said that it normally doesn't. So here comes my second question: is the joystick support a specific HOpenGL functionality? -- Andre

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Need help with compiling HOpenGL
by Denver 29 Oct '01

29 Oct '01

I have unpacked the HOpenGL to its own folder. I have all the required programs to compile it. However, when I did a 'make depend' it comes out an error. 'GL_BinaryIO.hs: can't locate import 'IOExts'' Please help me on how to fix this. Any help appreciated. Thank you.

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Re: [HOpenGL] HOpenGL & GHC-5.02
by cwitty＠newtonlabs.com 26 Oct '01

26 Oct '01

Sven Panne <Sven_Panne(a)BetaResearch.de> writes: > > Andre W B Furtado wrote: > > [...] I still needed to use cygwin because otherwise I wouldn't have > > how to issue commands like "configure", "make depend", "make', ... > > I guess you are using a HOpenGL version from a tar file and not the CVS > one. Hmmm, I don't think compiling that version is really feasible without > the GNU toolchain. But you're right, the goal should definitely be a simple > "ghc --make blahblah". I have to upgrade my box at home a little bit to > try a few things before I can say how far away the CVS version is from this > goal. Has anybody tried this lately? > > Apart from that, some binary releases would wake sense, too. What platforms > exactly are the people on this list using? Currently I have access to Win98, > Intel-Linux (SuSE) and Sparc-Solaris. I use Linux/x86 (Debian testing); the "alien" program often works for letting me use RPM's. But a source release (tarball or even CVS) with a documented build procedure that doesn't involve rebuilding all of ghc would be almost as good as a binary release. (Currently I'm using a version that I compiled by rebuilding ghc with --enable-hopengl, a process which takes many hours on my machine.) > BTW, for testing purposes it would be nice if I had some code people out > there wrote using HOpenGL. Integrating that into the CVS examples CVS would > be even nicer. I might send some examples this weekend. Do you want them straight to you, or should I send them to the list? Carl

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HOpenGL & GHC-5.02
by Andre W B Furtado 25 Oct '01

25 Oct '01

I was trying to compile HOpenGL using GHC-5.02 in my windows98 platform. I still needed to use cygwin because otherwise I wouldn't have how to issue commands like "configure", "make depend", "make', ... After some rearrangements, the last step ("make") gives me some warnings and errors concerning file GL_BinaryIO.hs, such as: GL_BinaryIO.hs:21: Warning: Variable `hPutBufFull' is deprecated: renamed to hPutBuf GL_BinaryIO.hs:21: Warning: Variable `hGetBufFull' is deprecated: renamed to hGetBuf GL_BinaryIO.hs:193: Couldn't match `Addr' against `Ptr a' Expected type: Addr -> Int -> IO () Inferred type: Ptr a -> Int -> IO () In the application `hPutBufFull handle' In the first argument of `sizedInParam', namely `(hPutBufFull handle)' GL_BinaryIO.hs:198: Couldn't match `IO (Ptr a)' against `t -> t1' Expected type: IO (Ptr a) Inferred type: t -> t1 Probable cause: `malloc' is applied to too many arguments in the call (malloc (sizeOf x)) In a 'do' expression pattern binding: buf <- malloc (sizeOf x) I think implementation of module IOExts may have changed, and the file GL_BinaryIO.hs deals with its older version. I would like to ask three questions then: 1. Is it worth trying to solve this problem, or will I find a lot of other similar problems? 2. If it is, how can I solve it? 3. If it is not, is there another way to compile HOpenGL using GHC-5.02 under a Windows98 platform? I know Sven is working on this, but is there a reasonable solution by now? Thanks, -- Andre

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Need help with setting up HOpenGL in cygwin
by Denver 25 Oct '01

25 Oct '01

I'm using win2000 running cygwin. I need help setting up the required files to compile HOpenGL. These include Green Card and GHC. Any help greatly appreciated.

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HOpenGL Links...
by Andre W B Furtado 23 Oct '01

23 Oct '01

Does anyone know interesting links about HOpenGL on the web? I would like to remind you (once again... :-) about my HOpenGL Tutorial at www.cin.ufpe.br/~haskell/hopengl/. It seems to me that the link to the message archive of this list (http://haskell.org/pipermail/hopengl/) is broken... Cheers, -- Andre

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bitmap loader
by Andre W B Furtado 23 Oct '01

23 Oct '01

Hello everybody. I'm developing a HOpenGL bitmap loader, and what I've done so far is a 24-bit bitmap loader that is taking more seconds than expected to load a medium sized bitmap. It also makes the heap exhausted if the size of the file is greater than 900k +/-. At least, it works. Use function loadBitmap :: FilePath -> Maybe InvisibleColorList -> IO AwbfBitmap to load a 24-bit bitmap and loadBitmapList :: [(FilePath, Maybe InvisibleColorList)] -> IO [AwbfBitmap] to load multiple 24-bit bitmaps. I'm sending the code to you. Feel free to modify the file and perhaps figure out the solution for the delay problem.... Cheers, -- Andre

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