Re: [Nel] Troubles withs drawQuad

[Andi [ Debug ]]

possibly...


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----- Original Message ----- 
From: "Stéphane CHAPLAIN" <address@hidden>
To: "Developer's list for the NeL platform" <address@hidden>
Sent: Friday, November 26, 2004 7:34 AM
Subject: RE : [Nel] Troubles withs drawQuad


I'm sure it is before swapbuffers because if I add these two lines in my 
function :

NL3D::UTextureFile *tex = mDriver->createTextureFile("tmp.tga");
mDriver->drawBitmap(0,0,getPosWidth(),getPosHeight(),*tex, true, 
NLMISC::CRGBA(255,255,255,255));

I can see the tmp.tga drawn on the screen.

I have made other tests on empty backbuffer with the same code:

Try do draw a Quad with nothing in the buffer => Nothing on screen
Try to draw a quad then a line in the buffer => nothing on screen.
Draw a texture, then the quad, then the line => I can see all

Could it be a Z issue??


-----Message d'origine-----
De : address@hidden 
[mailto:address@hidden De la part de 
Andi [ Debug ]
Envoyé : vendredi 26 novembre 2004 14:00
À : Developer's list for the NeL platform
Objet : Re: [Nel] Troubles withs drawQuad


since personally i use the draw quad functions that take a prebuilt quad
class as parameter i have no expereience with the 2d only versions.

i would focus your search for issues on render timing ake sure its before
you swap buffers and so forth



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----- Original Message ----- 
From: "Stéphane CHAPLAIN" <address@hidden>
To: <address@hidden>
Sent: Friday, November 26, 2004 2:25 AM
Subject: [Nel] Troubles withs drawQuad


Hi,

I have a problem with the drawQuad func. Here is my sample code :

mDriver->setMatrixMode2D(CFrustum (0.0f,getWindowWidth(),
0.0f,getWindowHeight(), 0.0f, 1.0f,false));
NLMISC::CRGBA col = NLMISC::CRGBA(color.R,color.G,color.B,color.A);
mDriver->drawQuad(rect.left,rect.bottom,rect.right,rect.top,col);

This occurs after doing a render (the backbuffer is full ! ) and I want to
draw somtehing in it . Pb : This has no effect !
It has worked with older version of NeL. Has something necessary been added.

Stephane





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