Java Code Examples for android.opengl.GLES10#glGetIntegerv()

public static int getSupportedMaxPictureSize() {
	int[] array = new int[1];
	GLES10.glGetIntegerv(GLES10.GL_MAX_TEXTURE_SIZE, array, 0);
	
	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);
			}
		}
	}
	
	return array[0] != 0 ? array[0] : 2048;
}
 

public static int getMaxSize() {
  int maxSize = SIZE_DEFAULT;
  int[] arr = new int[1];
  GLES10.glGetIntegerv(GLES10.GL_MAX_TEXTURE_SIZE, arr, 0);
  if (arr[0] > 0) {
    maxSize = Math.min(arr[0], SIZE_LIMIT);
  }
  return maxSize;
}
 

public static int getMaxLeftWidthOrHeightImageViewCanRead(int heightOrWidth) {
    // 1pixel==4bytes
    // http://stackoverflow.com/questions/13536042/android-bitmap-allocating-16-bytes-per-pixel
    // http://stackoverflow.com/questions/15313807/android-maximum-allowed-width-height-of-bitmap
    int[] maxSizeArray = new int[1];
    GLES10.glGetIntegerv(GL10.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);

    if (maxSizeArray[0] == 0) {
        GLES10.glGetIntegerv(GL11.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);
    }
    int maxHeight = maxSizeArray[0];
    int maxWidth = maxSizeArray[0];

    return (maxHeight * maxWidth) / heightOrWidth;
}
 

public static final int getTextureSize() {
	if (textureSize > 0) {
		return textureSize;
	}
	
	int[] params = new int[1];
	GLES10.glGetIntegerv(GLES10.GL_MAX_TEXTURE_SIZE, params, 0);
	textureSize = params[0];
	
	return textureSize;		
}
 

public static int getMaxLeftWidthOrHeightImageViewCanRead(int heightOrWidth) {
    // 1pixel==4bytes
    // http://stackoverflow.com/questions/13536042/android-bitmap-allocating-16-bytes-per-pixel
    // http://stackoverflow.com/questions/15313807/android-maximum-allowed-width-height-of-bitmap
    int[] maxSizeArray = new int[1];
    GLES10.glGetIntegerv(GL10.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);

    if (maxSizeArray[0] == 0) {
        GLES10.glGetIntegerv(GL11.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);
    }
    int maxHeight = maxSizeArray[0];
    int maxWidth = maxSizeArray[0];

    return (maxHeight * maxWidth) / heightOrWidth;
}
 

public static int getMaxLeftWidthOrHeightImageViewCanRead(int heightOrWidth) {
    // 1pixel==4bytes
    // http://stackoverflow.com/questions/13536042/android-bitmap-allocating-16-bytes-per-pixel
    // http://stackoverflow.com/questions/15313807/android-maximum-allowed-width-height-of-bitmap
    int[] maxSizeArray = new int[1];
    GLES10.glGetIntegerv(GL10.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);

    if (maxSizeArray[0] == 0) {
        GLES10.glGetIntegerv(GL11.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);
    }
    int maxHeight = maxSizeArray[0];
    int maxWidth = maxSizeArray[0];

    return (maxHeight * maxWidth) / heightOrWidth;
}
 

public static int getBitmapMaxWidthAndMaxHeight() {
    int[] maxSizeArray = new int[1];
    GLES10.glGetIntegerv(GL10.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);

    if (maxSizeArray[0] == 0) {
        GLES10.glGetIntegerv(GL11.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);
    }
    // return maxSizeArray[0];
    return 2048;
}
 

public static int getBitmapMaxWidthAndMaxHeight() {
    int[] maxSizeArray = new int[1];
    GLES10.glGetIntegerv(GL10.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);

    if (maxSizeArray[0] == 0) {
        GLES10.glGetIntegerv(GL11.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);
    }
    // return maxSizeArray[0];
    return 2048;
}
 

public static int getBitmapMaxWidthAndMaxHeight() {
    int[] maxSizeArray = new int[1];
    GLES10.glGetIntegerv(GL10.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);

    if (maxSizeArray[0] == 0) {
        GLES10.glGetIntegerv(GL11.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);
    }
    // return maxSizeArray[0];
    return 2048;
}
 

public static int getMaxLeftWidthOrHeightImageViewCanRead(int heightOrWidth) {
    // 1pixel==4bytes
    // http://stackoverflow.com/questions/13536042/android-bitmap-allocating-16-bytes-per-pixel
    // http://stackoverflow.com/questions/15313807/android-maximum-allowed-width-height-of-bitmap
    int[] maxSizeArray = new int[1];
    GLES10.glGetIntegerv(GL10.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);

    if (maxSizeArray[0] == 0) {
        GLES10.glGetIntegerv(GL11.GL_MAX_TEXTURE_SIZE, maxSizeArray, 0);
    }
    int maxHeight = maxSizeArray[0];
    int maxWidth = maxSizeArray[0];

    return (maxHeight * maxWidth) / heightOrWidth;
}
 

public static boolean isVTFSupported() {
    GLES10.glGetIntegerv(GLES20.GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, arrayBuffer, 0);
    return arrayBuffer[0] != 0;
}
 

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];
}
 

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];
}
 

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];
}
 

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];
}
 

public synchronized static int[] glGetIntegerv(int value, int size) {
    final IntBuffer buffer = IntBuffer.allocate(size);
    GLES10.glGetIntegerv(value, buffer);
    return buffer.array();
}
 

@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);

    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[] ctxAttrib = {
            EGL_CONTEXT_CLIENT_VERSION, 1,
            EGL10.EGL_NONE
    };
    javax.microedition.khronos.egl.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];
}
 

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];
}
 

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];
}
 

private static int getOpenGLMaxTextureSizeBase() {
    // In JELLY_BEAN will collapse
    if (Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN) {
        return 0;
    }

    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];
}