Egl destroy context. Device permissions The .

Egl destroy context. After cleanup, /dev/dri… Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2. Jun 12, 2025 · nvidia-smi reports memory usage from an EGL process even after eglDestroyContext and eglTerminate. Contribute to KhronosGroup/EGL-Registry development by creating an account on GitHub. EGL14. As a work-around I have patched the test application glmark2 to call eglMakeCurrent(display, EGL_NO_SURFACE, EFL_NO_SURFACE, EGL_NO_CONTEXT) right after eglDestroyContext. Mar 27, 2025 · In EGL, this means creating an EGLContext and an EGLSurface. If eglCreateContext fails to create a rendering context, EGL_NO_CONTEXT is returned. This seems to affect any egl platform. 创建一个 EGL 窗口 surface。 eglDestroyContext destroy an EGL rendering context. Opengl. I want to learn how to destroy the OpenGL context clearly. </para></listitem> </varlistentry> </variablelist> </refsect1> <refsect1id="description"><title>Description</title> <para> If the EGL rendering context <parameter>context</parameter> is not current to any thread, Nov 11, 2022 · EGL_FALSE is returned if destruction of the context fails, EGL_TRUE otherwise. Otherwise, surface is destroyed when it Description eglCreateContext creates an EGL rendering context for the current rendering API (as set with eglBindAPI) and returns a handle to the context. If you want to keep your context (s) (and the objects reference by them), when the window is deleted, just unbind the context bound for the window surface (if any) and delete the referencing EGL window surface. The context can then be used to render into an EGL drawing surface. Destroy all initialized EGLSurface objects by calling eglDestroySurface on them. This typically happens when device wakes up after going to sleep I noticed the same behavior as you about the Home and Back button. 销毁一个 EGL 渲染上下文。 eglDestroySurface destroy an EGL surface. Learn more about the Android. Also, I wonder if it is an operating system bug. Opengl namespace. Jan 17, 2023 · What can I do to clear the OpenGL context? Or, May it be an Operating System error? I searched many different websites and saw the following. Deinitialize the EGLContext object by calling eglDestroyContext on it. Description If the EGL surface surface is not current to any thread, eglDestroySurface destroys it immediately. /dev Oct 9, 2018 · The Vivante libEGL returns EGL_NO_CONTEXT here as one would expect, but glvnd returns the now invalid handle on the previous context. EGL_BAD_DISPLAY is generated if display is not an EGL display connection. GLES operations apply to the current context, which is accessed through thread-local storage rather than passed as an argument. And this tiny change makes all the difference IEGL10. 5 Attribution License. If the EGL rendering context context is not current to any thread, eglDestroyContext destroys it immediately. Nov 11, 2022 · EGL_FALSE is returned if destruction of the context fails, EGL_TRUE otherwise. And do the reverse if . Feb 21, 2021 · DRM GBM EGL GLES logind libinput I want glop2 to support running directly on Linux console without X or Wayland or whatever, and happened to want to run some code on an arm board with flaky X drivers, so spent some time trying to figure out how to get that running. Calls are not exactly the sames (but can't remember them precisely). EGL API and Extension Registry. Device permissions The Free up the currently active rendering context by calling eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT). I believe this is the heart of the problem. 销毁一个 EGL surface。 The documentation itself is vague (EGL Context Lost note) : There are situations where the EGL rendering context will be lost. When moving a context between threads, you must make it non-current on the old thread before making it current on the new one. Otherwise, context is destroyed when it becomes not current to any thread. surface Specifies the EGL surface to be destroyed. After cleanup, /dev/dri/renderD128 still has 2 open FDs (opened once at eglGetDisplay, and once at eglCreateContext), and nvidia-smi reports 2MB of used memory (allocated at eglMakeCurrent). May 4, 2016 · If your window is about to be destroyed out from under you (onNativeWindowDestroyed), and you have a referencing EGL window surface, you have to clean that up. Deinitialize EGL altogether by calling eglTerminate(display). But all implementations look like same. Here’s a minimal reproducer using EGL_KHR_platform_gbm. This post is my notes on what I've figure out so far, for when I get around to actually implementing glop2. EglDestroyContext in the Android. 创建一个 EGL 渲染上下文。 eglCreateWindowSurface create a new EGL window surface. Aug 19, 2024 · 1 2 参数描述 display 指定 EGL 显示连接。 context 指定要销毁的 EGL 渲染上下文。 详细描述 如果 EGL 渲染上下文 context 当前未绑定到任何线程上，则 eglDestroyContext 会立即销毁它。否则，context 会在它不再与任何线程绑定时被销毁。 错误描述 如果销毁上下文失败，函数返回 EGL_FALSE，否则返回 EGL_TRUE May 24, 2011 · Name eglDestroySurface - destroy an EGL surface C Specification EGLBoolean eglDestroySurface (EGLDisplay display, EGLSurface surface) Parameters display Specifies the EGL display connection. A context can only be current for a single thread at a time, and a thread can only have a single context current at a time. Egl Destroy Context (EGLDisplay, EGLContext) Method In this article Definition Remarks Applies to Definition Jan 26, 2021 · eglCreateContext create a new EGL rendering context. 1ow9 6mh fws bzo 5yjw 5qgpd xpk1ey bth 9nao bgwq