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Author Topic: D3D equivalents for OpenGL  (Read 3626 times)

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Offline taj

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D3D equivalents for OpenGL
« on: February 10, 2008 »
Does anyone know what the equivalent D3D command of

glRecti(-1,-1,1,1);

would be? I'm hoping I dont have to use vertices but call some primitive instead...
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Offline benny!

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Re: D3D equivalents for OpenGL
« Reply #1 on: February 10, 2008 »
Good question, taj.

I really do not know - had a search on the net. All I
found was the following thread saying what you do
not want to hear (using vertices) ...

http://www.msdner.net/dev-archive/130/20-106-1301547.shtm

Sorry. Didnt find anything else...
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Offline Jim

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Re: D3D equivalents for OpenGL
« Reply #2 on: February 11, 2008 »
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Offline taj

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Re: D3D equivalents for OpenGL
« Reply #3 on: February 11, 2008 »
Thats interesting, I'll try it and see if it triggers the shaders to run.
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Offline Jim

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Re: D3D equivalents for OpenGL
« Reply #4 on: February 11, 2008 »
I doubt it, but worth a try.  Otherwise it's probably necessary to draw an indexed primitive.  Look up DrawPrimitiveUP() which takes vertices as a parameter and doesn't need a vertex buffer.

Jim
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