Examples with EGLContext javax.microedition.khronos.egl.EGLContext used on opensource projects

Example 16 with EGLContext

use of javax.microedition.khronos.egl.EGLContext in project android_frameworks_base by crdroidandroid.

the class RenderTarget method createContext.

private static EGLContext createContext(EGL10 egl, EGLDisplay display, EGLConfig config) {
    int[] attrib_list = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE };
    EGLContext ctxt = egl.eglCreateContext(display, config, EGL10.EGL_NO_CONTEXT, attrib_list);
    checkContext(egl, ctxt);
    return ctxt;
}

Example 17 with EGLContext

use of javax.microedition.khronos.egl.EGLContext in project android_frameworks_base by DirtyUnicorns.

the class EGLLogWrapper method eglCreateContext.

public EGLContext eglCreateContext(EGLDisplay display, EGLConfig config, EGLContext share_context, int[] attrib_list) {
    begin("eglCreateContext");
    arg("display", display);
    arg("config", config);
    arg("share_context", share_context);
    arg("attrib_list", attrib_list);
    end();
    EGLContext result = mEgl10.eglCreateContext(display, config, share_context, attrib_list);
    returns(result);
    checkError();
    return result;
}

Example 18 with EGLContext

use of javax.microedition.khronos.egl.EGLContext in project platform_frameworks_base by android.

the class SingleFrameTextureViewTestActivity method onSurfaceTextureAvailable.

@Override
public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
    Log.d(LOG_TAG, "onSurfaceAvailable");
    mGLThread = new Thread() {

        static final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;

        static final int EGL_OPENGL_ES2_BIT = 4;

        private EGL10 mEgl;

        private EGLDisplay mEglDisplay;

        private EGLConfig mEglConfig;

        private EGLContext mEglContext;

        private EGLSurface mEglSurface;

        @Override
        public void run() {
            initGL();
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
            }
            for (int i = 0; i < 2; i++) {
                if (i == 0) {
                    glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
                } else {
                    glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
                }
                glClear(GL_COLOR_BUFFER_BIT);
                Log.d(LOG_TAG, "eglSwapBuffers");
                if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) {
                    throw new RuntimeException("Cannot swap buffers");
                }
                try {
                    Thread.sleep(50);
                } catch (InterruptedException e) {
                }
            }
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
            }
            finishGL();
        }

        private void finishGL() {
            mEgl.eglDestroyContext(mEglDisplay, mEglContext);
            mEgl.eglDestroySurface(mEglDisplay, mEglSurface);
        }

        private void initGL() {
            mEgl = (EGL10) EGLContext.getEGL();
            mEglDisplay = mEgl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
            if (mEglDisplay == EGL10.EGL_NO_DISPLAY) {
                throw new RuntimeException("eglGetDisplay failed " + GLUtils.getEGLErrorString(mEgl.eglGetError()));
            }
            int[] version = new int[2];
            if (!mEgl.eglInitialize(mEglDisplay, version)) {
                throw new RuntimeException("eglInitialize failed " + GLUtils.getEGLErrorString(mEgl.eglGetError()));
            }
            mEglConfig = chooseEglConfig();
            if (mEglConfig == null) {
                throw new RuntimeException("eglConfig not initialized");
            }
            mEglContext = createContext(mEgl, mEglDisplay, mEglConfig);
            mEglSurface = mEgl.eglCreateWindowSurface(mEglDisplay, mEglConfig, surface, null);
            if (mEglSurface == null || mEglSurface == EGL10.EGL_NO_SURFACE) {
                int error = mEgl.eglGetError();
                if (error == EGL10.EGL_BAD_NATIVE_WINDOW) {
                    Log.e(LOG_TAG, "createWindowSurface returned EGL_BAD_NATIVE_WINDOW.");
                    return;
                }
                throw new RuntimeException("createWindowSurface failed " + GLUtils.getEGLErrorString(error));
            }
            if (!mEgl.eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, mEglContext)) {
                throw new RuntimeException("eglMakeCurrent failed " + GLUtils.getEGLErrorString(mEgl.eglGetError()));
            }
        }

        EGLContext createContext(EGL10 egl, EGLDisplay eglDisplay, EGLConfig eglConfig) {
            int[] attrib_list = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE };
            return egl.eglCreateContext(eglDisplay, eglConfig, EGL10.EGL_NO_CONTEXT, attrib_list);
        }

        private EGLConfig chooseEglConfig() {
            int[] configsCount = new int[1];
            EGLConfig[] configs = new EGLConfig[1];
            int[] configSpec = getConfig();
            if (!mEgl.eglChooseConfig(mEglDisplay, configSpec, configs, 1, configsCount)) {
                throw new IllegalArgumentException("eglChooseConfig failed " + GLUtils.getEGLErrorString(mEgl.eglGetError()));
            } else if (configsCount[0] > 0) {
                return configs[0];
            }
            return null;
        }

        private int[] getConfig() {
            return new int[] { EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, EGL10.EGL_RED_SIZE, 8, EGL10.EGL_GREEN_SIZE, 8, EGL10.EGL_BLUE_SIZE, 8, EGL10.EGL_ALPHA_SIZE, 8, EGL10.EGL_DEPTH_SIZE, 0, EGL10.EGL_STENCIL_SIZE, 0, EGL10.EGL_NONE };
        }
    };
    mGLThread.start();
}

Example 19 with EGLContext

use of javax.microedition.khronos.egl.EGLContext in project Rajawali by Rajawali.

the class Renderer method hasGLContext.

/**
     * Indicates whether the OpenGL context is still alive or not.
     *
     * @return {@code boolean} True if the OpenGL context is still alive.
     */
public static boolean hasGLContext() {
    EGL10 egl = (EGL10) EGLContext.getEGL();
    EGLContext eglContext = egl.eglGetCurrentContext();
    return eglContext != EGL10.EGL_NO_CONTEXT;
}

Example 20 with EGLContext

use of javax.microedition.khronos.egl.EGLContext in project android_frameworks_base by DirtyUnicorns.

the class RenderTarget method newTarget.

public static RenderTarget newTarget(int width, int height) {
    EGL10 egl = (EGL10) EGLContext.getEGL();
    EGLDisplay eglDisplay = createDefaultDisplay(egl);
    EGLConfig eglConfig = chooseEglConfig(egl, eglDisplay);
    EGLContext eglContext = createContext(egl, eglDisplay, eglConfig);
    EGLSurface eglSurface = createSurface(egl, eglDisplay, width, height);
    RenderTarget result = new RenderTarget(eglDisplay, eglContext, eglSurface, 0, true, true);
    result.addReferenceTo(eglSurface);
    return result;
}