Example usage for android.opengl GLES10 glGetIntegerv

Introduction

In this page you can find the example usage for android.opengl GLES10 glGetIntegerv.

Prototype

public static native void glGetIntegerv(int pname, int[] params, int offset);

Source Link

Usage

From source file:Main.java

private static int getOpenGLMaxTextureSizeBase() {
    // In JELLY_BEAN will collapse
    if (Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN) {
        return 0;
    }/*w ww.j  a v  a 2 s  .c  o m*/

    EGL10 egl = (EGL10) EGLContext.getEGL();

    EGLDisplay dpy = egl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
    int[] vers = new int[2];
    egl.eglInitialize(dpy, vers);

    int[] configAttr = { EGL10.EGL_COLOR_BUFFER_TYPE, EGL10.EGL_RGB_BUFFER, EGL10.EGL_LEVEL, 0,
            EGL10.EGL_SURFACE_TYPE, EGL10.EGL_PBUFFER_BIT, EGL10.EGL_NONE };
    EGLConfig[] configs = new EGLConfig[1];
    int[] numConfig = new int[1];
    egl.eglChooseConfig(dpy, configAttr, configs, 1, numConfig);
    //noinspection StatementWithEmptyBody
    if (numConfig[0] == 0) {
        // TROUBLE! No config found.
    }
    EGLConfig config = configs[0];

    int[] surfAttr = new int[] { EGL10.EGL_WIDTH, 64, EGL10.EGL_HEIGHT, 64, EGL10.EGL_NONE };
    EGLSurface surf = egl.eglCreatePbufferSurface(dpy, config, surfAttr);
    final int EGL_CONTEXT_CLIENT_VERSION = 0x3098; // missing in EGL10
    int[] ctxAttrib = { EGL_CONTEXT_CLIENT_VERSION, 1, EGL10.EGL_NONE };
    EGLContext ctx = egl.eglCreateContext(dpy, config, EGL10.EGL_NO_CONTEXT, ctxAttrib);
    egl.eglMakeCurrent(dpy, surf, surf, ctx);
    int[] maxSize = new int[1];
    GLES10.glGetIntegerv(GLES10.GL_MAX_TEXTURE_SIZE, maxSize, 0);

    egl.eglMakeCurrent(dpy, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT);
    egl.eglDestroySurface(dpy, surf);
    egl.eglDestroyContext(dpy, ctx);
    egl.eglTerminate(dpy);

    return maxSize[0];
}

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From source file:Main.java

@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
private static int getMaxTextureEgl10() {
    EGL10 egl = (EGL10) javax.microedition.khronos.egl.EGLContext.getEGL();

    javax.microedition.khronos.egl.EGLDisplay dpy = egl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
    int[] vers = new int[2];
    egl.eglInitialize(dpy, vers);//from ww w  . ja  v  a2s .c o m

    int[] configAttr = { EGL10.EGL_COLOR_BUFFER_TYPE, EGL10.EGL_RGB_BUFFER, EGL10.EGL_LEVEL, 0,
            EGL10.EGL_SURFACE_TYPE, EGL10.EGL_PBUFFER_BIT, EGL10.EGL_NONE };
    javax.microedition.khronos.egl.EGLConfig[] configs = new javax.microedition.khronos.egl.EGLConfig[1];
    int[] numConfig = new int[1];
    egl.eglChooseConfig(dpy, configAttr, configs, 1, numConfig);
    if (numConfig[0] == 0) {
        return 0;
    }
    javax.microedition.khronos.egl.EGLConfig config = configs[0];

    int[] surfAttr = { EGL10.EGL_WIDTH, 64, EGL10.EGL_HEIGHT, 64, EGL10.EGL_NONE };
    javax.microedition.khronos.egl.EGLSurface surf = egl.eglCreatePbufferSurface(dpy, config, surfAttr);
    final int EGL_CONTEXT_CLIENT_VERSION = 0x3098; // missing in EGL10
    int[] ctxAttribute = { EGL_CONTEXT_CLIENT_VERSION, 1, EGL10.EGL_NONE };
    javax.microedition.khronos.egl.EGLContext ctx = egl.eglCreateContext(dpy, config, EGL10.EGL_NO_CONTEXT,
            ctxAttribute);
    egl.eglMakeCurrent(dpy, surf, surf, ctx);
    int[] maxSize = new int[1];
    GLES10.glGetIntegerv(GLES10.GL_MAX_TEXTURE_SIZE, maxSize, 0);
    egl.eglMakeCurrent(dpy, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT);
    egl.eglDestroySurface(dpy, surf);
    egl.eglDestroyContext(dpy, ctx);
    egl.eglTerminate(dpy);

    return maxSize[0];
}

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From source file:info.papdt.blacklight.support.Utility.java

public static int getSupportedMaxPictureSize() {
    int[] array = new int[1];
    GLES10.glGetIntegerv(GLES10.GL_MAX_TEXTURE_SIZE, array, 0);

    try {/* ww  w. ja v  a2  s .  c o m*/
        if (array[0] == 0) {
            GLES11.glGetIntegerv(GLES11.GL_MAX_TEXTURE_SIZE, array, 0);

            if (array[0] == 0) {
                GLES20.glGetIntegerv(GLES20.GL_MAX_TEXTURE_SIZE, array, 0);

                if (array[0] == 0) {
                    GLES30.glGetIntegerv(GLES30.GL_MAX_TEXTURE_SIZE, array, 0);
                }
            }
        }
    } catch (NoClassDefFoundError e) {
        // Ignore the exception
    }

    return array[0] != 0 ? array[0] : 2048;
}

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From source file:com.futurologeek.smartcrossing.crop.CropImageActivity.java

private int getMaxTextureSize() {
    // The OpenGL texture size is the maximum size that can be drawn in an ImageView
    int[] maxSize = new int[1];
    GLES10.glGetIntegerv(GLES10.GL_MAX_TEXTURE_SIZE, maxSize, 0);
    return maxSize[0];
}

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