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by AndyEsser
Mon Jan 07, 2013 7:31 am
Forum: C/C++
Topic: How do I get started with Chimera?
Replies: 2
Views: 764

Re: How do I get started with Chimera?

Hi Godmil, My apologies for this. Our plan had been to get a load of documentation done over December so that people grabbing Chimera had a good starting point for it. If you drop me an email to support@zerodependency.co.uk, I will send over a simple test project that you can use to get started befo...
by AndyEsser
Mon Jul 30, 2012 6:49 am
Forum: OpenGLES
Topic: Need a volunteer to peer review some code
Replies: 4
Views: 1550

Re: Need a volunteer to peer review some code

I'm happy for you to send me emails/PM's with any questions. I've been programming with OpenGL for about 8 years now, and OpenGL ES for about 18 months.
by AndyEsser
Mon Jul 23, 2012 7:55 am
Forum: OpenGLES
Topic: glDiscardFramebufferEXT crashes
Replies: 3
Views: 2157

Re: glDiscardFramebufferEXT crashes

I'm not familiar with glDiscardFramebufferEXT() myself, but it appears you're trying to discard the native framebuffer? Surely this isn't valid behaviour?
by AndyEsser
Fri Jun 22, 2012 6:28 pm
Forum: OpenGLES
Topic: glGetError() slow!
Replies: 8
Views: 3326

Re: glGetError() slow!

Just as a word of advice, be very careful about timing specific GL calls - it is entirely up to the driver to decide when to implement the tasks you've given it. So you could easily have 5 calls saying only 1ms timing, but then have the 6th saying 20ms simply because that's when the driver decides t...
by AndyEsser
Wed Jun 20, 2012 6:49 am
Forum: C/C++
Topic: opengl/ changing screen resolution
Replies: 26
Views: 13257

Re: opengl/ changing screen resolution

The reason why the vc_* functions are not better documented, I believe, is because most of those functions are proprietary Broadcom calls, with no released source or documentation - until that changes I don't see decent documentation being put together.
by AndyEsser
Tue Jun 19, 2012 9:18 pm
Forum: C/C++
Topic: graphics_get_display_size returns -1
Replies: 4
Views: 2196

Re: graphics_get_display_size returns -1

Never mind!

All sorted!

Thanks again
by AndyEsser
Tue Jun 19, 2012 8:53 pm
Forum: C/C++
Topic: graphics_get_display_size returns -1
Replies: 4
Views: 2196

Re: graphics_get_display_size returns -1

Thanks! That did indeed to the trick. Now I have a separate problem that it goes all through the config code, and my render code (currently just calling glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); however it never renders to the framebuffer, I stay at commandline with my std::cout logging be...
by AndyEsser
Tue Jun 19, 2012 7:34 pm
Forum: C/C++
Topic: graphics_get_display_size returns -1
Replies: 4
Views: 2196

Re: graphics_get_display_size returns -1

That'd be a no :P

Thanks, I'll give that a try
by AndyEsser
Tue Jun 19, 2012 7:13 pm
Forum: C/C++
Topic: graphics_get_display_size returns -1
Replies: 4
Views: 2196

graphics_get_display_size returns -1

Hi all, I've just started developing on the Pi, and I'm using the hello_triangle as a basis for setting up my OpenGL ES program. I get as far as creating an EGL Context (and eglGetError() returns EGL_SUCCESS) - but on the next line I'm calling graphics_get_display_size, and it's returning a value of...

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