Frame Capture
Gaël LEQUEUX <[email protected]> Fri, 1 Sep 2006 12:09:13 +0200
| Newsgroups | gmane.games.devel.general |
|---|---|
| Message-ID | <[email protected]> |
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Hello,
This question may seem DirectX only but there is also HW considerations =
so I
put it in the general list.
I'm trying to improve my DX9 Engine with a video file recorder; it will =
be
used offline, to build video for a Video DVD, a huge amount of video. So =
I
want it to be as fast as possible (faster than real time if able).=20
Several years ago I was confronted to this problem with a rendering =
based
PVS system. At that time my best solution was to write a memcpy using =
movaps
from AGP Memory to System mem but I'm sure there is faster solutions. =
FRAPS
for example is doing great (~30 FPS how ?).
So the basic question is: "how should I transfer my render target to =
system
memory".=20
=20
And I have a second question, when I'll have my solution, how will =
Hardware
impact on capture performances. ATI or NVidia? GDRAM Frequency is =
important?
RAMDAC? Chipset? I'll have to assemble the perfect machine for frame
capturing so these questions are also important
=20
Do you have any ideas?
Ga=EBl.
=20
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<p class=3DMsoNormal style=3D'text-autospace:none'><font size=3D2 =
face=3D"Courier New"><span
lang=3DEN-GB style=3D'font-size:10.0pt;font-family:"Courier =
New"'>Hello,<o:p></o:p></span></font></p>
<p class=3DMsoNormal style=3D'text-autospace:none'><font size=3D2 =
face=3D"Courier New"><span
lang=3DEN-GB style=3D'font-size:10.0pt;font-family:"Courier New"'>This =
question may
seem DirectX only but there is also HW considerations so I put it in the
general list.<o:p></o:p></span></font></p>
<p class=3DMsoNormal style=3D'text-autospace:none'><font size=3D2 =
face=3D"Courier New"><span
lang=3DEN-GB style=3D'font-size:10.0pt;font-family:"Courier New"'>I'm =
trying to
improve my DX9 Engine with a video file recorder; it will be used =
offline, to
build video for a Video DVD, a huge amount of video. So I want it to be =
as fast
as possible (faster than real time if able). =
<o:p></o:p></span></font></p>
<p class=3DMsoNormal style=3D'text-autospace:none'><font size=3D2 =
face=3D"Courier New"><span
lang=3DEN-GB style=3D'font-size:10.0pt;font-family:"Courier =
New"'>Several years ago
I was confronted to this problem with a rendering based PVS system. At =
that
time my best solution was to write a memcpy using movaps from AGP Memory =
to
System mem but I'm sure there is faster solutions. FRAPS for example is =
doing
great (~30 FPS how ?).<o:p></o:p></span></font></p>
<p class=3DMsoNormal style=3D'text-autospace:none'><font size=3D2 =
face=3D"Courier New"><span
lang=3DEN-GB style=3D'font-size:10.0pt;font-family:"Courier New"'>So the =
basic
question is: "how should I transfer my render target to system
memory". <o:p></o:p></span></font></p>
<p class=3DMsoNormal style=3D'text-autospace:none'><font size=3D2 =
face=3D"Courier New"><span
lang=3DEN-GB style=3D'font-size:10.0pt;font-family:"Courier =
New"'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal style=3D'text-autospace:none'><font size=3D2 =
face=3D"Courier New"><span
lang=3DEN-GB style=3D'font-size:10.0pt;font-family:"Courier New"'>And I =
have a
second question, when I'll have my solution, how will Hardware impact on
capture performances. ATI or NVidia? GDRAM Frequency is =
important?<o:p></o:p></span></font></p>
<p class=3DMsoNormal style=3D'text-autospace:none'><font size=3D2 =
face=3D"Courier New"><span
lang=3DEN-GB style=3D'font-size:10.0pt;font-family:"Courier =
New"'>RAMDAC? Chipset? I'll
have to assemble the perfect machine for frame capturing so these =
questions are
also important<o:p></o:p></span></font></p>
<p class=3DMsoNormal style=3D'text-autospace:none'><font size=3D2 =
face=3D"Courier New"><span
lang=3DEN-GB style=3D'font-size:10.0pt;font-family:"Courier =
New"'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal style=3D'text-autospace:none'><font size=3D2 =
face=3D"Courier New"><span
lang=3DEN-GB style=3D'font-size:10.0pt;font-family:"Courier New"'>Do you =
have any
ideas?<o:p></o:p></span></font></p>
<p class=3DMsoNormal style=3D'text-autospace:none'><font size=3D2 =
face=3D"Courier New"><span
style=3D'font-size:10.0pt;font-family:"Courier =
New"'>Ga=EBl.<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
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