Android-OpenGL | Android OpenGL | Graphics library
kandi X-RAY | Android-OpenGL Summary
kandi X-RAY | Android-OpenGL Summary
Android OpenGL
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Top functions reviewed by kandi - BETA
- Load a single texture .
- Define a perspective projection matrix .
- Compile a surface .
- Compiles a shader .
- Link a program to a program .
- Read a text file from a resource .
- Draw the draw frame
- Initialize the window .
- Set a vertex attribute path pointer .
- Pause the surface .
Android-OpenGL Key Features
Android-OpenGL Examples and Code Snippets
Community Discussions
Trending Discussions on Android-OpenGL
QUESTION
I have search the forum and cant find exact answer for these.
Every time I compile and run the app. There is an error
Emulator: OpenGL backend 'angle' without OpenGL ES 1.x library detected. Using GLESv2 only.
However, everything still run smoothly, and thus I didn't bother.
So, what is the correct approach to this?
- To update the library.
- To ignore it since it is just outdated but usable.
- What are the benefit of updating
Refer Android OpenGL ES 2.0 emulator
I found out that there are a few questions like this remain unanswered. Thus Anyone please give a suggestion so other will know what to do.
...ANSWER
Answered 2017-Dec-19 at 08:02Angle is an open-source project that implements OpenGLES over DirectX/Desktop OpenGL. That is, it takes OpenGLES commands, and converts them to something that can run easily on desktop machines.
It's likely that the Android emulator would use a technology like Angle to convert your project's OpenGLES commands and possibly the Android OS OpenGLES commands to DirectX/Desktop OpenGL.
The error is telling you that the Angle library lacks the OpenGLES 1.x component. I'm not sure if it's a normal situation or not - if it is an error, it's a problem with the emulator, not with your code. If everything appears to be working correctly then I wouldn't worry about it. Most likely the emulated OS and your project are using OpenGLES 2 or 3, or if you are using OpenGLES 1.x, then perhaps there's a compatibility layer that implements OpenGLES 1.x over OpenGLES 2 before anything gets passed to Angle.
QUESTION
I try to calculate histogram of a image, using OPENGL. I have read some post about that but I still get error. My histogram buffer always return zeros. Some post which I have read:
Luminance histogram calculation in GPU-android opengl es 3.0
My code:
...ANSWER
Answered 2017-Apr-02 at 07:00My histogram buffer always return zeros.
Interesting. Because I don't know which compiler that let's something like this fly by:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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No vulnerabilities reported
Install Android-OpenGL
You can use Android-OpenGL like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the Android-OpenGL component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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