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multiple textures and multiple renderers |  |
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Vittorio G.
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in a 2 window and 2 renderers program, is it possible to use a single
texture for both renderers? or is it possible to use a single renderer for both windows? thanks Vittorio _______________________________________________ SDL mailing list http://lists.libsdl.org/listinfo.cgi/sdl-libsdl.org |
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Sam Lantinga
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Not right now. I'm thinking that it would be useful to share textures between renderers, but as far as I know this is only possible on Direct3D as of Windows Vista, and you still have to have a separate handle to the texture even when you're sharing the same resource.
Does anybody know how/if this is possible to set up? On Sun, Feb 13, 2011 at 5:01 AM, Vittorio G. wrote:
-- -Sam Lantinga, Founder and CEO, Galaxy Gameworks |
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Kenneth Bull
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On 13 February 2011 13:12, Sam Lantinga wrote:
or, follow donBerto's suggestion here: http://www.devmaster.net/forums/showthread.php?t=7497 Create an OpenGL context for the desktop and change the viewport, rather than the GL context, for each window. Would involve a lot of saving/restoring state though, since you'll probably want a separate state per renderer. _______________________________________________ SDL mailing list http://lists.libsdl.org/listinfo.cgi/sdl-libsdl.org |
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Kenneth Bull
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On 13 February 2011 14:09, Kenneth Bull wrote:
existing renderer instead of binding a new renderer to a window. So one renderer could be responsible for multiple windows. Pretty sure you're still limited to one context per display device though. _______________________________________________ SDL mailing list http://lists.libsdl.org/listinfo.cgi/sdl-libsdl.org |
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Kenneth Bull
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On 13 February 2011 14:09, Kenneth Bull wrote:
(at the bottom) http://stackoverflow.com/questions/452806/multiple-windows-in-opengl http://msdn.microsoft.com/en-us/library/ms537565%28VS.85%29.aspx _______________________________________________ SDL mailing list http://lists.libsdl.org/listinfo.cgi/sdl-libsdl.org |
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multiple textures and multiple renderers | |
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Sam Lantinga
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I know it can be done in OpenGL, but can it be done in Direct3D?
On Sun, Feb 13, 2011 at 11:33 AM, Kenneth Bull wrote:
-- -Sam Lantinga, Founder and CEO, Galaxy Gameworks |
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Kenneth Bull
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On 13 February 2011 14:46, Sam Lantinga wrote:
http://www.mvps.org/directx/articles/rendering_to_multiple_windows.htm Again, you could (probably) use the desktop as the "parent frame". _______________________________________________ SDL mailing list http://lists.libsdl.org/listinfo.cgi/sdl-libsdl.org |
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multiple textures and multiple renderers | |
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Sam Lantinga
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I don't think you can use the desktop. I wonder if you can do this multiple top level windows anyway. I also wonder what happens if each window is on a different display, each driven by a different video card.
Hmm, worth looking into, anybody want to volunteer? On Sun, Feb 13, 2011 at 12:08 PM, Kenneth Bull wrote:
-- -Sam Lantinga, Founder and CEO, Galaxy Gameworks |
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Vittorio G.
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On Sun, Feb 13, 2011 at 10:52 PM, Sam Lantinga wrote:
before the removal of SDL_SetVideoDisplay i had a system with 3 top level window each on different display (over 2 gpus) then... only the last window created displayed anything Vittorio _______________________________________________ SDL mailing list http://lists.libsdl.org/listinfo.cgi/sdl-libsdl.org |
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