Search found 5 matches

by Azkarell
Sun Sep 06, 2015 16:29
Forum: Help
Topic: OpenGl3Renderer and glEnableVertexAttribArray problems.
Replies: 9
Views: 9158

Re: OpenGl3Renderer and glEnableVertexAttribArray problems.

according to valve (https://youtu.be/btNVfUygvio) vao are slow. although im not sure if this still upholds. so i didnt want to use them, i just tried them to see if it fixes my problem with cegui. (without cegui everything works just fine ). and accroding to http://ogldev.atspace.co.uk/www/tutorial3...
by Azkarell
Sun Sep 06, 2015 15:25
Forum: Help
Topic: OpenGl3Renderer and glEnableVertexAttribArray problems.
Replies: 9
Views: 9158

Re: OpenGl3Renderer and glEnableVertexAttribArray problems.

after enabling debugging for ogl. Ill get following message as soon as I enable (uncomment) CEGUI::System::renderAllGUIcontext : GL_INVALID_OPERATION error generated. VAO names must be generated with glGenVertexArrays before they can be bound or used. before my nvoglnv64.dll crashes. but im trying y...
by Azkarell
Sun Sep 06, 2015 15:01
Forum: Help
Topic: OpenGl3Renderer and glEnableVertexAttribArray problems.
Replies: 9
Views: 9158

Re: OpenGl3Renderer and glEnableVertexAttribArray problems.

yes, i'll render everything from the same thread.

after i serialized everything to one thread(texture/mesh loading + rendering). the call to cegui renderALLGUIcontext now crashes my nvoglnv64.dll.
if i dont call cegui::renderall everything works fine.

i'll try another driver an maybe it works then.
by Azkarell
Sat Sep 05, 2015 12:25
Forum: Help
Topic: OpenGl3Renderer and glEnableVertexAttribArray problems.
Replies: 9
Views: 9158

Re: OpenGl3Renderer and glEnableVertexAttribArray problems.

yeah, i enabled extra states with no difference. Some additional hints if it helps: I'm using sfml to create a window for rendering. injecting mouse works just fine (drag and drop works and is still recognized even after cegui-window disapears). I'm using a dedicated rendering thread for all gl call...
by Azkarell
Sat Sep 05, 2015 00:26
Forum: Help
Topic: OpenGl3Renderer and glEnableVertexAttribArray problems.
Replies: 9
Views: 9158

OpenGl3Renderer and glEnableVertexAttribArray problems.

Hi all, in the last few days I tried to get cegui running. After some initial problems to compile cegui, I'm now able to draw my first window, at least as long as i dont use glEnableVertexAttribArray in my custom render logic. glDisableVertexAttribArray wont help. Calling one of these functions is e...

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