Android :: Droid Reboot When Using VBO In Opengl Es Codes

Apr 5, 2010

I am working on a app which render geometrics with VBO in NDK opengl, it works in other phone, but in Motola Droid, it will cause the devices reboot.

The logs like next.


Android :: Droid Reboot when using VBO in opengl es codes

Motorola Droid X :: Need Phone Online Ordering Promo Codes / Coupon Codes

Jul 11, 2010

okay so with the x coming up to order soon im going to be paying full retail for the x since I sold my dinc and when I ordered that onlline i used promo code freeovernt for the free over nite shipping..but i also bout a week later called for a credit and used promo code smart30 to save 30 bucks on ordering a smartphone upgrade. question is does anyone else know of any coupon or promo codes for this thursday? need my droid X!

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Android :: OpenGL Speed Issue - Code Contribution To Other OpenGL

Feb 25, 2009

Single Threaded OpenGL game ! (check bottom, you can download and use the helper class) Lighting disabled ! Depth Buffer disabled ! Culling enabled ! Textures disabled !

Just 176 integers (x,y values only) making 88 vertexes along with 132 index numbers making "44 triangles only"

Framerates I get is

with GL_BLENDING disabled - 145 fps approx only! enabled - 110 fps approx only!

I have the screenshot of exact code in the draw function here.. just 2 damn lines ! I have hidden only the comments.. click here to see it

variable details in the 2 lines of code =========================== ipts = 176 elements (only x and y for each vertex) totallinetriangles * 3 = 176 lineindexes = 132 elements - type "short"

Here is the screenshot of output drawing and how it will look like

OpenGL single threaded Initialization Helper ================================ Here is my OpenGL helper class.. makes the OpenGL initialization for newbies a cakewalk

I tested by rendering on the touch event only.. frame rate drops only when u touch and drag and here I have just tested by tapping and releasing gently on the emulator and on the device

Is this the device limitations ? So graphics is actually a lot lot lot slower than on iPhone ?

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Android :: NDK OpenGL - Mixing Java And Native - C - Calls To OpenGL API

Jul 24, 2010

I would like to be able to use the OpenGL API from both Java and C (via NDK).

In Java, there is a GL object passed, which has all GL methods on it.

In C, you just talk to the native library.

In a single onDrawFrame callback (for which Java is passed a GL), can I use methods on the GL object, and also call NDK methods which access the openGL library?

In other words, is the GL object just a wrapper for the same instance of the native library?

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Android : Scan QR Codes From Within Droid Browser?

Mar 5, 2010

I am often using my Android browser when I come across a QR code. Is there any way to scan the QR code from within the browser? It seems absurd that I then have load that page on another monitor and then scan that monitor with goggles are barcode reader...

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Android : Use Cmyk Color Codes In Droid?

Jul 23, 2010

i have an doubt, I don't know how to use cmyk colors in android. If any one knows please help me. I am waiting for your valuable replies.

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Android : Can ZXing Be Used In Droid With Encrypted QR-codes?

Oct 1, 2010

The current method uses AES encrypted files.
The goal is to exchange small amounts of private data using AES encrypted QR-codes.

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Android :: Start And How To Link Between XML / Java Codes In A Standard Droid App?

Nov 12, 2010

I know some decent stuff of java !!! But have absolutely no clue about XML.... Please help me as to where to start and how is the linking between XML and Java codes in a standard ANdroid App !!!

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HTC Droid Eris :: InvisibleSHIELD 20% Discount Codes

Feb 19, 2010

I purchased the invisibleSHIELD for my ERIS and love it, Zagg sent me two 20% discount codes for friends, so if anyone is interested in getting an invisibleSHIELD,

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Motorola Droid :: No Zip Codes Shown In Contacts?

Jan 11, 2010

None of my contacts on my phone show the zip codes in their addresses but they're all there in my gmail contacts when I check on a computer.

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HTC Droid Eris :: Personal Bar Codes That Can Be Scanned Right From Our Phones

Jan 31, 2010

I notice on forums that alot of People and apps have barcodes as avatars that can be scanned right from our phones (cool). My question is how / where do I make one for myself?

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Motorola Droid :: Download A Program That Makes QR Codes For Phone?

Jan 2, 2010

A friend of mine has the iphone, and was able to download a program that makes QR codes. Is there a program that has this capability for the droid?

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HTC Droid Eris :: Paste Codes From Photobucket To Myspace On Phone?

Feb 11, 2010

I figured out how to copy i can't figure out how to paste though

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Android :: Opengl In Droid 2D UI / What's Function?

Apr 8, 2010

In android 2D UI, what's the function of opengl?

graphic system draw picture and text by skia->opengl->framebuffer, so in 2D UI what's the function of opengl?

in bootable/recovery/minigui the recoverty mini UI just display some png and text, why does it use opengl ?

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Android :: SIGSEGV 11 OpenGL - Only On Droid - Not 2.0 Emulator

Nov 10, 2009

We are getting a SIGSEGV 11 when launching our OpenGL activity. Here is the logcat. It appears to happen on Droid Hardware, but not the 2.0 Emulator. We are trying to do some testing to see if we can slowly build up some code to cause a crash.


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Android :: Blank Textures On Droid (OpenGL)

Dec 28, 2009

I ran into a rather strange problem with my OpenGL game. While most textures look good, five or six are not drawn on Droid, and I don't see anything special about these images/models. For example, my HUD is made of 4 elements. The upper part is drawn correctly, while the lower part appears as white rectangles. The code used for loading and drawing these models and textures is exactly the same. Textures are 32-bit TGAs in both cases, POT dimensions, in - nodpi, inScaled==false, using GLSurfaceView to rule out configuration issues. No problems on G1 and Hero (and of course on emulator). And I don't have the Droid, so I can't just try whatever comes to my mind. Asked users to send me logs - no errors, all models and images appear to load normally.

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Android :: Opengl Visual Artifacts On Droid

Aug 14, 2010

A user sent me a screenshot of visual artifacting on droid. Apparently it only happens with multi-texturing enabled. --> Screenshot:

If I understand correctly though the GPU in the Droid 1 is ES2.0 Compliant, so it should have at least 2 texture units, any idea why I'm getting this weird look in my app on the Droid 1?

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Android :: Motorola Droid OpenGL ES Specs?

Oct 28, 2009

I just got my hands on this phone.

Here's my summary:

1) It's really fast. Runs all my games at max framerates.

2) The screen is 16:9 and will probably mess with your layouts and games and stuff.

3) It has a PowerVR SGX530. That's right around iPhone 3GS's GPU speed.

I believe the hardware supports OpenGL ES 2.0 but since Android doesn't, there's no way to use it right now. I did, however, dump all of the GL extensions and put them alongside the G1 and Emulator extension lists into this handy-dandy article -

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Android :: Use Opengl 2.0 On Droid With Framebuffer Andrenderbuffer?

Oct 31, 2010

How to do with the framebuffer and renderbuffer?

when we develop on iphone the function "presentRenderbuffe" is working.but on android ,how to display the renderbuffer? (![context presentRenderbuffer:GL_RENDERBUFFER])

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Android :: Tutorial To Use Opengl Interface In Droid Ndk?

Mar 22, 2010

If i wanna use the opengl interface in android ndk, then will it be possible to show
me a simple tutorial to let me master the android ndk?
i just wanna know how to operate in android ndk first.

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Android :: Way To Generate QR Codes?

Oct 11, 2010

What's the easiest way to generate and read QR Codes in an android application?

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Android :: How To View QR Codes?

Jul 11, 2010

I sent my girl friend a QR code. The code was sent using barcode generator to her Droid. It was sent as a pic. How can she view the QR code? Is there any programs that will decode the QR code on her droid?

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Android :: OpenGL Doesn't Render On Droid - Milestone

Jun 29, 2010

I'm writing a game engine.

I have a little example (see, that seems to work fine on every device except Droid / Milestone.

It displays a blue screen (due to glClearColor being set to blue), and nothing more.

I have tried with/without textures, and with/without VBOs. Yet still all blue screens on Droid.

What is unique about Droid and how it handles OpenGL, and why is it doing this?

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Android :: Enable Antialiasing In OpenGL On Any Of Droid Devices?

Jan 11, 2010

Has anyone found a way to enable antialiasing in OpenGL on any of the Android devices?

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Android :: Droid 2.0 And OpenGL ES 2.0 Support For Programmable Shaders?

Jul 9, 2010

Can I assume that, if a phone runs Android 2.0, it also supports OpenGL ES 2.0 and thus the graphic hardware has full support for programmable shaders?

IOW, does Android 2.0 as a platform mandate OpenGL ES 2.0 support? Or is it optional?

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Android :: Training Session / Course For Droid Graphics API - OpenGL ES?

Sep 25, 2010

Can anyone please recommend a training session/course for Android graphics API/OpenGL ES?

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Android :: Droid OpenGL ES Test Renderer Crash / Why Is So?

Oct 8, 2010

Once again I'm trying to get into openGL, but as usual I choke when passing around vertices/vertixes/whatever and every little detail can lead to disaster (wrong format, initialization not properly set up, where memory are saved, etc.).

My main goal is to use openGL for 2D graphics to speed up performance compared to regular cpu drawing.

Anyways, my openGL Renderer looks like this code...

With an IndexOutOfBoundsException, but I'm sure there are more problems with the code.

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Android :: GUI Libaray For IPhone / Droid Based On OpenGL ES?

Mar 18, 2010

Since both iPhone and Android support OpenGL ES, is there any open source or commercial GUI library we can use for these two platforms? Or is it doable (or how difficult) to port an application from one to another platform?

As I know, for iPhone only, libNUI ( is a good choice (dynamic layout & mature), but it only provides GPL & commercial license. Any other open source tool similar with libNUI?

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Android :: Any Method For Printing Key Codes?

Oct 9, 2010

In android I want to print the key codes for each and every key which I pressed. I am not getting any method from which I can print key codes. Without getting keycode I am unable to complete my project.

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Android :: Need To Execute Dalvik Op-Codes

Jun 1, 2009

I would like to execute opcodes directly against the running Dalvik VM instance from within my application on Android. I'm looking for something similar to the C asm function. I have a list of opcodes for dalvik, but I am unfamiliar with how to either execute them directly, or write them out to .class files and execute them against some sort of VM CLI command like dalvikvm from within a running application.

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