Questions tagged [gles20]
10 questions
3
votes
1 answer
How to get Watermark and filter together on Vedio using GPUVideo-android?
I am working on video editing android application and want to apply filters and watermark together on video.
I have been using GPUVideo-android lib for this
https://github.com/MasayukiSuda/GPUVideo-android
The problem is in this library I am not…

shashank kakroo
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3
votes
2 answers
how to add timestamp like a camcorder while recording video using GLES20
I want to display date/time while recording the video and it should be displayed when we replay the videos like we do it in CCTV video recordings. i can display shapes using GLES20 i want to use text inside video to display Timestamp i am using…

bipin
- 1,091
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2
votes
0 answers
Google VR double image on top of the screen bug
I am using Google VR SDK to show an image on the screen.
I am encountering a strange bug when displaying the objects without distortion although it happens only on large screens (namely 5.5 inch or larger).
To disable distortion I am using…

YYJo
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1
vote
1 answer
How to add objects to draw in runtime using GLES20?
In my simple GLES20 app I'm trying to add some objects in runtime to draw.
In my Renderer class I have ArrayList of Squares:
private ArrayList mSquares = new ArrayList();
Here is my Square class.
Square is drawing well if create it…

ashchuk
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0
votes
1 answer
Adding watermark on video
I created an app which records video from camera without sound 10 seconds. Thats part of program code:
...
MediaCodec mMediaCodec = MediaCodec.createEncoderByType("video/avc");
mMediaCodec.configure(mMediaFormat, null, null,…

nick
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0
votes
1 answer
How can i run GLES20.glReadPixels on separate thread in android?
I am currently working with ARCore to classify images and put objects on the images. But it seems like ARCore camera doesn't provide any way to get the pixelbuffer. then i came accross How to take picture with camera using ARCore and according this…

deeppandya
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0
votes
1 answer
3-D Rotation on any axis causes mesh skew on some but not all Android devices
I am currently working on developing a 3-D game engine for Android, and everything works fine on my Lenovo TAB 10, but rotation about any axis causes the meshes to flatten (skew) during the rotation. I don't know where to start looking since it…

Michael
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0
votes
2 answers
Android: Camera rotation issues with GLES 20
I've moved my Camera (mViewMatrix) in the 3D Space, 15° to each angle x,y,z (with all angles 0° I have no issues with the camera rotation!)
All Objects in the 3D Space are fine (shown at the right bottom of the screen).
Ok, now I want to rotate…

Kyle
- 21
- 6
0
votes
1 answer
GLES20 Why texture data is not linked with vertices indexes?
I was trying to render a cube and apply a single texture on all faces.
as well as using as little vertices as i can by passing up indexes of the vertices of the face. example:
Vertices:
static final float FACE_VERTEX[] = {
// front
…

Rami Dabain
- 4,709
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- 106
0
votes
1 answer
GLES20 How to get global position of vertex after translating and rotating it
I have a vertex (Which i will not be showing/rendering in the scene)
float vertex[] = {
1.0f, 1.0f, 1.0f,
};
And i have a mesh, which i have translated and rotated using:
Matrix.translateM(World.mModelMatrix, tmOffset, globalPositionX,…

Rami Dabain
- 4,709
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