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2014/10/16 ¤W¤È 08:20:52
android Programming Glossary: openglDraw text in OpenGL ES (Android) http://stackoverflow.com/questions/1339136/draw-text-in-opengl-es-android text in OpenGL ES Android I'm currently developing a small OpenGL game for.. in OpenGL ES Android I'm currently developing a small OpenGL game for the Android platform and I wonder if there's an easy.. Android SDK doesn't come with any easy way to draw text on OpenGL views. Leaving you with the following options. Place a TextView..
This app won't run unless you update Google Play Services. (via Bazaar) http://stackoverflow.com/questions/13691943/this-app-wont-run-unless-you-update-google-play-services-via-bazaar name android.permission.ACCESS_FINE_LOCATION Require OpenGL ES version 2 uses feature android glEsVersion 0x00020000 android..
Unable instantiate android.gms.maps.MapFragment http://stackoverflow.com/questions/13719263/unable-instantiate-android-gms-maps-mapfragment android.permission.WRITE_EXTERNAL_STORAGE Maps API needs OpenGL ES 2.0. uses feature android glEsVersion 0x00020000 android..
Tutorials and libraries for OpenGL-ES games on Android [closed] http://stackoverflow.com/questions/1629775/tutorials-and-libraries-for-opengl-es-games-on-android and libraries for OpenGL ES games on Android closed What tutorials and libraries are.. help beginners to develop 2D and 3D games on Android using OpenGL ES I'm looking for tutorials which can help me learn OpenGL.. ES I'm looking for tutorials which can help me learn OpenGL ES and I'm looking for OpenGL ES libraries which can make life..
OpenGL extensions available on different Android devices [closed] http://stackoverflow.com/questions/2093594/opengl-extensions-available-on-different-android-devices extensions available on different Android devices closed I'm.. Android devices closed I'm in the process of writing an OpenGL ES powered framework for my next Android game s . Currently.. i.e. no transforming Vertex arrays are supported in OpenGL ES 1.0 and thus in every Android device. I'm guessing most if..
getting the screen density programmatically in android? http://stackoverflow.com/questions/3166501/getting-the-screen-density-programmatically-in-android . If you need the actual lcd pixel density perhaps for an OpenGL app you can get it from the metrics.xdpi and metrics.ydpi properties..
Is Google's Android OpenGL tutorial teaching incorrect linear algebra? http://stackoverflow.com/questions/11925647/is-googles-android-opengl-tutorial-teaching-incorrect-linear-algebra that I'm not seeing as to what's going on here android opengl es linear algebra share improve this question As the guy..
Appropriate multiplication of matrices for rotation/translation http://stackoverflow.com/questions/11965593/appropriate-multiplication-of-matrices-for-rotation-translation 15 times . Here is the implementation http www.pixdip.com opengles transform.php#ALGO1 The lines of code that are producing undesired.. _uBodyCentreMatrix new float 4 in http www.pixdip.com opengles transform.php#FIELDS I need help to understand why does that.. rotation about device center which is easy to make in opengles 2.0 http www.pixdip.com opengles global.php Apk for translation..
Draw text in OpenGL ES (Android) http://stackoverflow.com/questions/1339136/draw-text-in-opengl-es-android to other platforms later. Any ideas Regards Per android opengl es share improve this question The Android SDK doesn't come..
Tutorials and libraries for OpenGL-ES games on Android [closed] http://stackoverflow.com/questions/1629775/tutorials-and-libraries-for-opengl-es-games-on-android Archive.html http iphonedevelopment.blogspot.com 2009 05 opengl es from ground up table of.html As for libraries which a beginner.. we wish to sell our games. What else is out there android opengl es 3d share improve this question The site you mentioned.. have found is by INsanityDesign . It is a portof the great opengl nehe tutorials. This is a great place to start it gives you..
Why my opengl output differs for various devices? http://stackoverflow.com/questions/17187032/why-my-opengl-output-differs-for-various-devices my opengl output differs for various devices I have created an android.. problem of different output in different devices android opengl es share improve this question Should we take into account..
OpenGL extensions available on different Android devices [closed] http://stackoverflow.com/questions/2093594/opengl-extensions-available-on-different-android-devices Hero so I can share those extensions next. java android opengl es share improve this question OpenGL ES extensions on HTC..
Android OpenGL .OBJ file loader http://stackoverflow.com/questions/3162667/android-opengl-obj-file-loader about others not included on this list. Thanks android 3d opengl es mesh share improve this question You asked this a while.. be hard. http www.heikobehrens.net 2009 08 27 obj2opengl This solution is easy the header files wont add much space in..
Does the Android Emulator support OpenGL ES 2.0? http://stackoverflow.com/questions/4455783/does-the-android-emulator-support-opengl-es-2-0 something might have changed since April. android mobile opengl es share improve this question Google released a new version..
Android: GLES20: Called unimplemented OpenGL ES API http://stackoverflow.com/questions/5926316/android-gles20-called-unimplemented-opengl-es-api with Android 2.2.1. I appreciate any help android opengl es share improve this question You need to enable OpenGL..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails renderer. I'm not familiar with the opengl library but perhaps this is enough to get you going again. ..
Android OpenGL ES 2.0 emulator http://stackoverflow.com/questions/8941016/android-opengl-es-2-0-emulator app without device android android emulator android ndk opengl es 2.0 share improve this question As stated by Google itself.. document. http developer.android.com resources tutorials opengl opengl es20.html I hope this answers your question. share improve.. http developer.android.com resources tutorials opengl opengl es20.html I hope this answers your question. share improve..
http://stackoverflow.com/questions/10926617/spherical-filter-in-android Any idea how to do this in Android. Will I have to use openGL for doing this or 2D trasformation alone will do the task. ..
Fitting a camera preview to a SurfaceView larger than the display http://stackoverflow.com/questions/11321251/fitting-a-camera-preview-to-a-surfaceview-larger-than-the-display way to succeed in this endeavor is to somehow render to an openGL surface but this apparently might be too slow in full color...
Modifying camera output using SurfaceTexture and OpenGL http://stackoverflow.com/questions/12519235/modifying-camera-output-using-surfacetexture-and-opengl coming from the camera hardware by running it through an openGL filter then displaying it in a GLSurfaceView. When openGL goes.. openGL filter then displaying it in a GLSurfaceView. When openGL goes to render the frame the LogCat repeatedly spits out an.. updateTexImage clearing GL error 0x502 0x502 is a generic openGL error and doesn't really help me track down the problem. This..
Implement page curl on android? http://stackoverflow.com/questions/3912849/implement-page-curl-on-android it possible using the native draw APIs would I have to use openGL Could I mimik the behaviour somehow Any help would be appreciated...
Page curl/turn effect in Android [duplicate] http://stackoverflow.com/questions/4376962/page-curl-turn-effect-in-android it possible using the native draw APIs would I have to use openGL Could I mimik the behaviour somehow Any help would be appreciated...
What is the best method to render video frames? http://stackoverflow.com/questions/5666513/what-is-the-best-method-to-render-video-frames the answers here based on my own experiences. Why openGL When people think of rendering video with openGL most are attempting.. Why openGL When people think of rendering video with openGL most are attempting to exploit the GPU to do color space conversion.. The GPU is a natural fit for color space conversion. Why openGL The downside is the process by which you get texture data into..
Apply custom filters to camera output http://stackoverflow.com/questions/8371055/apply-custom-filters-to-camera-output 'real' buffer. I've heard you could implement this with openGL. That sounds very complicated. Is there an easier way Else how.. complicated. Is there an easier way Else how would this openGL surfaceView mapping work android opengl es filter camera .. but that's quite complicated. The other option is to use openGL ES. You need GLSurfaceView where you bind camera frame as a..
Limitation on texture size? Android Open GL ES 2.0 http://stackoverflow.com/questions/8573178/limitation-on-texture-size-android-open-gl-es-2-0 is recommended that you use compressed textures for your openGL applications as this improves the memory use efficiency note..
Draw text in OpenGL ES (Android) http://stackoverflow.com/questions/1339136/draw-text-in-opengl-es-android text in OpenGL ES Android I'm currently developing a small OpenGL game for the Android platform and I wonder if there's an easy way to.. text in OpenGL ES Android I'm currently developing a small OpenGL game for the Android platform and I wonder if there's an easy way to render text on top of the rendered frame like a HUD.. Per android opengl es share improve this question The Android SDK doesn't come with any easy way to draw text on OpenGL views. Leaving you with the following options. Place a TextView over your SurfaceView. This is slow and bad but the most..
This app won't run unless you update Google Play Services. (via Bazaar) http://stackoverflow.com/questions/13691943/this-app-wont-run-unless-you-update-google-play-services-via-bazaar android.permission.ACCESS_COARSE_LOCATION uses permission android name android.permission.ACCESS_FINE_LOCATION Require OpenGL ES version 2 uses feature android glEsVersion 0x00020000 android required true application android icon @drawable ic_launcher..
Unable instantiate android.gms.maps.MapFragment http://stackoverflow.com/questions/13719263/unable-instantiate-android-gms-maps-mapfragment External storage for caching. uses permission android name android.permission.WRITE_EXTERNAL_STORAGE Maps API needs OpenGL ES 2.0. uses feature android glEsVersion 0x00020000 android required true application android icon @drawable ic_launcher..
Tutorials and libraries for OpenGL-ES games on Android [closed] http://stackoverflow.com/questions/1629775/tutorials-and-libraries-for-opengl-es-games-on-android and libraries for OpenGL ES games on Android closed What tutorials and libraries are available which can help beginners to develop 2D and 3D games.. What tutorials and libraries are available which can help beginners to develop 2D and 3D games on Android using OpenGL ES I'm looking for tutorials which can help me learn OpenGL ES and I'm looking for OpenGL ES libraries which can make life.. help beginners to develop 2D and 3D games on Android using OpenGL ES I'm looking for tutorials which can help me learn OpenGL ES and I'm looking for OpenGL ES libraries which can make life easier for beginners in OpenGL ES. Since Android is still..
OpenGL extensions available on different Android devices [closed] http://stackoverflow.com/questions/2093594/opengl-extensions-available-on-different-android-devices extensions available on different Android devices closed I'm in the process of writing an OpenGL ES powered framework for.. extensions available on different Android devices closed I'm in the process of writing an OpenGL ES powered framework for my next Android game s . Currently I'm supporting three different techniques of drawing sprites.. the draw_texture extension fastest but only for basic sprites i.e. no transforming Vertex arrays are supported in OpenGL ES 1.0 and thus in every Android device. I'm guessing most if not all of the current devices also support VBOs and draw_texture...
getting the screen density programmatically in android? http://stackoverflow.com/questions/3166501/getting-the-screen-density-programmatically-in-android of the DENSITY_ constants 120 160 213 240 320 480 or 640 dpi . If you need the actual lcd pixel density perhaps for an OpenGL app you can get it from the metrics.xdpi and metrics.ydpi properties for horizontal and vertical density respectively. If..
Is Google's Android OpenGL tutorial teaching incorrect linear algebra? http://stackoverflow.com/questions/11925647/is-googles-android-opengl-tutorial-teaching-incorrect-linear-algebra by any stretch of my imagination. Is there any explanation that I'm not seeing as to what's going on here android opengl es linear algebra share improve this question As the guy who wrote that OpenGL tutorial I can confirm that the example..
Appropriate multiplication of matrices for rotation/translation http://stackoverflow.com/questions/11965593/appropriate-multiplication-of-matrices-for-rotation-translation on the same day since then the code has been revised 15 times . Here is the implementation http www.pixdip.com opengles transform.php#ALGO1 The lines of code that are producing undesired translation are inside private static void updateModel.. float 0.019683f 0.545867f 0.000409f 1.0f protected static float _uBodyCentreMatrix new float 4 in http www.pixdip.com opengles transform.php#FIELDS I need help to understand why does that undesired translation happen what is exactly wrong with the.. the body has undesired backward translation Apk for translation rotation about device center which is easy to make in opengles 2.0 http www.pixdip.com opengles global.php Apk for translation rotation about arbitrary points which has undesired translation..
Draw text in OpenGL ES (Android) http://stackoverflow.com/questions/1339136/draw-text-in-opengl-es-android know if I want to do that since I might want to port the game to other platforms later. Any ideas Regards Per android opengl es share improve this question The Android SDK doesn't come with any easy way to draw text on OpenGL views. Leaving you..
Tutorials and libraries for OpenGL-ES games on Android [closed] http://stackoverflow.com/questions/1629775/tutorials-and-libraries-for-opengl-es-games-on-android useful http web.me.com smaurice AppleCoder iPhone_OpenGL Archive.html http iphonedevelopment.blogspot.com 2009 05 opengl es from ground up table of.html As for libraries which a beginner might use to get a simpler hands on experience with OpenGL.. licensed at the moment which means it cannot be used if we wish to sell our games. What else is out there android opengl es 3d share improve this question The site you mentioned is very good but I think the best one I have found is by INsanityDesign.. site you mentioned is very good but I think the best one I have found is by INsanityDesign . It is a portof the great opengl nehe tutorials. This is a great place to start it gives you source at different levels that you can play with and change..
Why my opengl output differs for various devices? http://stackoverflow.com/questions/17187032/why-my-opengl-output-differs-for-various-devices my opengl output differs for various devices I have created an android app for drawing of lines circles.. by using GLSurfaceView.. into account of GPU while Coding Can anyone tell me why this problem of different output in different devices android opengl es share improve this question Should we take into account of GPU while Coding No way The OpenGL API is a layer between..
OpenGL extensions available on different Android devices [closed] http://stackoverflow.com/questions/2093594/opengl-extensions-available-on-different-android-devices extensions gl.glGetString GL10.GL_EXTENSIONS I've got a HTC Hero so I can share those extensions next. java android opengl es share improve this question OpenGL ES extensions on HTC G1 Android 1.6 GL_ARB_texture_env_combine GL_ARB_texture_env_crossbar..
Android OpenGL .OBJ file loader http://stackoverflow.com/questions/3162667/android-opengl-obj-file-loader anddev.org forum Android GL LibGDX I'm also open to hearing about others not included on this list. Thanks android 3d opengl es mesh share improve this question You asked this a while back but I have a good solution if you are still looking... can convert the output to work with java afterwards. It shouldn't be hard. http www.heikobehrens.net 2009 08 27 obj2opengl This solution is easy the header files wont add much space in source code than the obj files and the data will be more compact..
Does the Android Emulator support OpenGL ES 2.0? http://stackoverflow.com/questions/4455783/does-the-android-emulator-support-opengl-es-2-0 has no games suggests that it does not but I was hoping something might have changed since April. android mobile opengl es share improve this question Google released a new version with native x86 processor support which sped things up..
Android: GLES20: Called unimplemented OpenGL ES API http://stackoverflow.com/questions/5926316/android-gles20-called-unimplemented-opengl-es-api the sample on a Android 2.2 Virtual device and on a HTC Wildfire with Android 2.2.1. I appreciate any help android opengl es share improve this question You need to enable OpenGL ES 2.0 in your Android app. First in your AndroidManifest.xml..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails
Android OpenGL ES 2.0 emulator http://stackoverflow.com/questions/8941016/android-opengl-es-2-0-emulator way NDK with OpenGl 2.0 support how is possible to test app without device android android emulator android ndk opengl es 2.0 share improve this question As stated by Google itself in the official Android documentation the Android emulator..
http://stackoverflow.com/questions/10926617/spherical-filter-in-android squared centered region of input image and mapped it to sphere. Any idea how to do this in Android. Will I have to use openGL for doing this or 2D trasformation alone will do the task. android image processing opengl es raytracing sphere share..
Fitting a camera preview to a SurfaceView larger than the display http://stackoverflow.com/questions/11321251/fitting-a-camera-preview-to-a-surfaceview-larger-than-the-display parent is catch Exception e I am concerned that the only way to succeed in this endeavor is to somehow render to an openGL surface but this apparently might be too slow in full color. It is also a pain if the camera preview can simply be stretched..
Modifying camera output using SurfaceTexture and OpenGL http://stackoverflow.com/questions/12519235/modifying-camera-output-using-surfacetexture-and-opengl SurfaceTexture and OpenGL I am trying to filter the stream coming from the camera hardware by running it through an openGL filter then displaying it in a GLSurfaceView. When openGL goes to render the frame the LogCat repeatedly spits out an error.. coming from the camera hardware by running it through an openGL filter then displaying it in a GLSurfaceView. When openGL goes to render the frame the LogCat repeatedly spits out an error unnamed 3314 0 updateTexImage clearing GL error 0x502.. the LogCat repeatedly spits out an error unnamed 3314 0 updateTexImage clearing GL error 0x502 0x502 is a generic openGL error and doesn't really help me track down the problem. This is a sequence of how the code works or atleast should be working..
Implement page curl on android? http://stackoverflow.com/questions/3912849/implement-page-curl-on-android how I would go about implementing this in Android Java. Is it possible using the native draw APIs would I have to use openGL Could I mimik the behaviour somehow Any help would be appreciated. Thanks. EDIT I found a Bitmap Mesh example in the Android..
Page curl/turn effect in Android [duplicate] http://stackoverflow.com/questions/4376962/page-curl-turn-effect-in-android how I would go about implementing this in Android Java. Is it possible using the native draw APIs would I have to use openGL Could I mimik the behaviour somehow Any help would be appreciated. Thanks. EDIT I found a Bitmap Mesh example in the Android..
What is the best method to render video frames? http://stackoverflow.com/questions/5666513/what-is-the-best-method-to-render-video-frames this question I'm going to attempt to elaborate on and consolidate the answers here based on my own experiences. Why openGL When people think of rendering video with openGL most are attempting to exploit the GPU to do color space conversion and.. on and consolidate the answers here based on my own experiences. Why openGL When people think of rendering video with openGL most are attempting to exploit the GPU to do color space conversion and alpha blending. For instance converting YV12 video.. the same operation on multiple pieces of data in parallel. The GPU is a natural fit for color space conversion. Why openGL The downside is the process by which you get texture data into the GPU. Consider that for each frame you have to Load the..
Apply custom filters to camera output http://stackoverflow.com/questions/8371055/apply-custom-filters-to-camera-output camera output but this doesn't really help because I need the 'real' buffer. I've heard you could implement this with openGL. That sounds very complicated. Is there an easier way Else how would this openGL surfaceView mapping work android opengl.. heard you could implement this with openGL. That sounds very complicated. Is there an easier way Else how would this openGL surfaceView mapping work android opengl es filter camera share improve this question OK there are several ways to do.. convert data from YUV to RGB with native code and android NDK but that's quite complicated. The other option is to use openGL ES. You need GLSurfaceView where you bind camera frame as a texture in GLSurfaceView implement Camera.previewCallback so..
Limitation on texture size? Android Open GL ES 2.0 http://stackoverflow.com/questions/8573178/limitation-on-texture-size-android-open-gl-es-2-0 of your image and is thus resolution dependant. However it is recommended that you use compressed textures for your openGL applications as this improves the memory use efficiency note that you cannot modify these compressed textures . From the..
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