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Re: PCEm. Another PC emulator.

Posted on 2019-11-25, 17:03

You'd need to reverse engineer the Warp Engine for G200; Matrox never publically released documentation. From what I got from driver sources and from this specification , it looks like there are few fixed pipelines for basic rasterizers: For optimum performance, more then one pipe is provided to …

Re: PCEm. Another PC emulator.

Posted on 2019-11-25, 08:58

I agree with getting accurate emulation with cards like the 3dfx, which featured 16-bit color renderer and dithering. D3D cards from the G200 era onwards, on the other hand, featured 32bit color renderers not much different from what you will get by just forwarding triangle calls to an opengl …

Re: PCEm. Another PC emulator.

Posted on 2019-11-24, 20:39

Yep. I actually thought that if I ever worked on it, it would not provide a software rasterizer at all. But, for me, it was just to get a better directx support than voodoo, not for emulating the g200 accurately. I can understand it's not the scope of this project.

Re: PCEm. Another PC emulator.

Posted on 2019-11-24, 20:08

Hi, I gave a look at this after quite some time, and I must say it's coming together very nicely. Rock stable, lot of hardware is emulated, user friendly interface.. I got few questions, but I couldn't register on the official forums. I can't find a regularly updated repository; it's not maintained …

VIDEO - 3dfx voodoo emulation (SDL1)

Posted on 2014-12-26, 13:28

Hi all! I'd like to share with you all the latest 3dfx patch with opengl accelerated rendering. No one worked on it in years, but still, it works quite nice, even if it's not bug-free. The following options will be available into your config file: [pci] # voodoo: Enable VOODOO support. # Possible …

Re: Basic GLSL shader support (prototype)

Posted on 2013-08-09, 19:26

Try adding #include and #define GL_SGIX_fragment_lighting before #include SDL_opengl.h #if C_OPENGL +#include +#define C_OPENGL_USE_SHADERS 1 +#ifdef C_OPENGL_USE_SHADERS +#define GL_GLEXT_PROTOTYPES +#define GL_SGIX_fragment_lighting +#endif #include "SDL_opengl.h" that makes it build the sources, …

Re: PCEm. Another PC emulator.

Posted on 2013-07-26, 22:03

AWE32 emulation encouraged me to give this emulator a try. after built and setted up everything, I noticed I can't find the rom dump I remember I had on my hdd many years ago. this sound card is a piece of history in my youth. no hope to get that rom in another way?

Re: Basic GLSL shader support (prototype)

Posted on 2013-07-24, 20:24

same with vs2008 (above was mingw). am i missing something obvious? 1>sdlmain.obj : error LNK2019: unresolved external symbol _glUniform1i@8 referenced in function "void __cdecl GFX_DrawGLTexture(void)" (?GFX_DrawGLTexture@@YAXXZ) 1>sdlmain.obj : error LNK2019: unresolved external symbol _ …

Re: Basic GLSL shader support (prototype)

Posted on 2013-07-24, 20:08

sorry to bother again, sources patched correctly, but linker can't find some gl function instance: gui/libgui.a(sdlmain.o):sdlmain.cpp:(.text+0x538): undefined reference to `glUnmapBufferARB@4' gui/libgui.a(sdlmain.o):sdlmain.cpp:(.text+0x5b8): undefined reference to `glBindBufferARB@8' gui/libgui …

Re: Basic GLSL shader support (prototype)

Posted on 2013-07-24, 19:37

Patched revision 3833 without problems for me. Kekko, what does "svn info" output for you? One thing to keep in mind, not too long ago, the repository url on SF changed. So you might have an up to date SVN of the *OLD* repository, not the new one. you're right :) i've been far from dosbox for quite …

Re: Basic GLSL shader support (prototype)

Posted on 2013-07-24, 15:26

That is... surely strange. It does seem like the patch I have uploaded is based on revision 3833 (currently the last one). Just to be sure I have obtained a second copy of the SVN source tree, and I confirm that the patch has just been applied successfully. Ok i'll try to investigate on this from …

Re: Just an important heads up

Posted on 2013-07-24, 15:17

in Milliways
Qbix wrote: @kekko where ? user nick, on the left of any post. especially under a big avatar, nick font looks tiny .. also increasing the space between the avatar and the nick might help

Re: Basic GLSL shader support (prototype)

Posted on 2013-07-23, 20:08

I can't patch current svn version of sdlmain.cpp patching file include/render.h patching file src/gui/render.cpp patching file src/gui/sdlmain.cpp Hunk #2 FAILED at 85. Hunk #3 FAILED at 180. Hunk #4 succeeded at 252 (offset 5 lines). Hunk #6 succeeded at 749 (offset 9 lines). Hunk #8 succeeded at …

Re: Basic GLSL shader support (prototype)

Posted on 2013-07-22, 19:20

This is something Dosbox really lacks of. - OpenGL is portable to almost any platform (and actually Dosbox already uses it) - shaders allow dosbox to extend its range of supported scalers - it would take advantage of gpu acceleration Now, someone please write a shader for xBRZ scaler 😜

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