Gl_texture_external_oes Android |
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Hello! I have GL_TEXTURE_EXTERNAL_OES which attached to SurfaceTexture in Android for video rendering ExoPlayer and GL_TEXTURE_2D which attached to simple Texture2D in Unity3d for display this video on Unity image component. The reason for binding the texture to that target is because in order get live camera feed on android a SurfaceTexture needs to be created from an OpenGL texture which is bound to GL_TEXTURE_EXTERNAL_OES. Since android uses OpenGL ES I. Render ANY Android View to an OpenGL Texture Recently Android L's View effects will not work for this as they require 100% hardware accelerated canvas drawing. The following are some example calls with the GL_TEXTURE_2D and the GL_TEXTURE_EXTERNAL_OES, after each texture is generated I show what the texture handle AKA texture name. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

最后发现是因为视频流播放到opengles时纹理需要使用GL_TEXTURE_EXTERNAL_OES模式 。. android平台下OpenGL ES 3.0对相机Camera预览实时处理摄像头的预览配置好摄像头之后,剩下的事情就是配置摄像头采集每一帧图像的回调,并且获取到图像之后将图像渲染到屏幕上。. gl_texture_external_oesテクスチャにレンダリングする方法が必要です。フレームバッファにテクスチャをバインドしようとしましたが、gl_invalid_enumというエラーが発生しました。. 4 android.

大意是,从的图像流中更新纹理图像到最近的帧中。这个函数仅仅当拥有这个纹理的opengl es上下文当前正处在绘制线程时被调用。它将隐式的绑定到这个扩展的gl_texture_external_oes 目标纹理(为什么上面的片段着色代码中要扩展这个oes,可能就是应为这个吧)。. Google在Android中对egl做了一些扩展,让整个显示渲染的软件体系运行地更加有效率。在我们分析,修改SurfaceFlinger代码的过程中,经常可以看到这些egl扩展相关的代码,比如android native fence, KHR image等等。虽然跳过这些内容对理解SurfaceFlinger本身影响并不大,但是在. 从Image Stream中捕获帧数据,用作OpenGLES的纹理,其中Image Stream来自相机预览或视频解码。 从SurfaceTexture对象中创建的Surface类对象可被用作下述类的 输出目标 : android.hardware.camera2, MediaCodec, MediaPlayer, 和 Allocation APIs。. target决定了创建EGLImage的方式,例如在Android系统中专门定义了一个称为EGL_NATIVE_BUFFER_ANDROID的Target,支持通过ANativeWindowBuffer创建EGLImage对象,而Buffer则对应创建EGLImage. 最后发现是因为视频流播放到opengles时纹理需要使用GL_TEXTURE_EXTERNAL_OES模式 。.

Hi, BogDan Vatra! Great example. I have the problem with creating 2 SurfaceTexture QML element with different movies to play. When I started to play one of them I see only one movie at a time and only one GL_TEXTURE_EXTERNAL_OES is showing on the screen also second. gl_texture_external_oes. This extension is needed to capture camera preview and put it into a SurfaceTexture. That is what I want to pass through the compute shader for image processing. Attach the SurfaceTexture to the OpenGL ES context that is current on the calling thread. A new OpenGL ES texture object is created and populated with the SurfaceTexture image frame that was current at the time of the last call to detachFromGLContext. This new texture is bound to the GL_TEXTURE_EXTERNAL_OES texture target. The texture object uses the GL_TEXTURE_EXTERNAL_OES texture target, which is defined by the GL_OES_EGL_image_external OpenGL ES extension. This limits how the texture may be used. Each time the texture is bound it must be bound to the GL_TEXTURE_EXTERNAL_OES target rather than the GL_TEXTURE_2D target. SurfaceView, GLSurfaceView, SurfaceTexture以及TextureView是Android当中名字比较绕,关系又比较密切的几个类。本文基于Android 5.0Lollipop的代码理一下它们的基本原理,联系与区别。.

gl_texture_external_oes - android opengl 動画. Android OpenGL ESで最大テクスチャメモリを決定する方法 1 あなたが利用可能なVRAM(ビデオRAM )の量を知ることを試みているようです。 質問はすでに部分的に答えられています。 ただし. 22/07/2017 · External Texture Rendering on Android. Discussion in 'Android' started by Katerpilet, May 25, 2017. Katerpilet. Joined: Aug 2, 2015 Posts: 18. Hey all, I am trying to render a GL_TEXTURE_EXTERNAL_OES in Unity. The shader is compiling properly, but all I get is a black screen on device. I create the texture and hook it up properly on the Java.

opengles TEXTURE__2D and.

This page provides Java code examples for android.opengl.GLES11Ext.GL_TEXTURE_EXTERNAL_OES. The examples are extracted from open source Java projects. 02/11/2018 · I am trying to develop an Android app using Ogre for rendering. In my other program without Ogre using GL commands for rendering, I create a texture and bind it to target GL_TEXTURE_EXTERNAL_OES, and pass it to the SurfaceTexture that the camera use.

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