GLUtilspublic final class GLUtils extends Object | Utility class to help bridging OpenGL ES and Android APIs. |
| Constructors Summary |
|---|
private GLUtils()
nativeClassInit();
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| Methods Summary |
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| public static java.lang.String | getEGLErrorString(int error)Return a string for the EGL error code, or the hex representation
if the error is unknown.
switch (error) {
case EGL10.EGL_SUCCESS:
return "EGL_SUCCESS";
case EGL10.EGL_NOT_INITIALIZED:
return "EGL_NOT_INITIALIZED";
case EGL10.EGL_BAD_ACCESS:
return "EGL_BAD_ACCESS";
case EGL10.EGL_BAD_ALLOC:
return "EGL_BAD_ALLOC";
case EGL10.EGL_BAD_ATTRIBUTE:
return "EGL_BAD_ATTRIBUTE";
case EGL10.EGL_BAD_CONFIG:
return "EGL_BAD_CONFIG";
case EGL10.EGL_BAD_CONTEXT:
return "EGL_BAD_CONTEXT";
case EGL10.EGL_BAD_CURRENT_SURFACE:
return "EGL_BAD_CURRENT_SURFACE";
case EGL10.EGL_BAD_DISPLAY:
return "EGL_BAD_DISPLAY";
case EGL10.EGL_BAD_MATCH:
return "EGL_BAD_MATCH";
case EGL10.EGL_BAD_NATIVE_PIXMAP:
return "EGL_BAD_NATIVE_PIXMAP";
case EGL10.EGL_BAD_NATIVE_WINDOW:
return "EGL_BAD_NATIVE_WINDOW";
case EGL10.EGL_BAD_PARAMETER:
return "EGL_BAD_PARAMETER";
case EGL10.EGL_BAD_SURFACE:
return "EGL_BAD_SURFACE";
case EGL11.EGL_CONTEXT_LOST:
return "EGL_CONTEXT_LOST";
default:
return "0x" + Integer.toHexString(error);
}
| | public static int | getInternalFormat(android.graphics.Bitmap bitmap)return the internal format as defined by OpenGL ES of the supplied bitmap.
if (bitmap == null) {
throw new NullPointerException("getInternalFormat can't be used with a null Bitmap");
}
if (bitmap.isRecycled()) {
throw new IllegalArgumentException("bitmap is recycled");
}
int result = native_getInternalFormat(bitmap);
if (result < 0) {
throw new IllegalArgumentException("Unknown internalformat");
}
return result;
| | public static int | getType(android.graphics.Bitmap bitmap)Return the type as defined by OpenGL ES of the supplied bitmap, if there
is one. If the bitmap is stored in a compressed format, it may not have
a valid OpenGL ES type.
if (bitmap == null) {
throw new NullPointerException("getType can't be used with a null Bitmap");
}
if (bitmap.isRecycled()) {
throw new IllegalArgumentException("bitmap is recycled");
}
int result = native_getType(bitmap);
if (result < 0) {
throw new IllegalArgumentException("Unknown type");
}
return result;
| | private static native void | nativeClassInit()
| | private static native int | native_getInternalFormat(android.graphics.Bitmap bitmap)
| | private static native int | native_getType(android.graphics.Bitmap bitmap)
| | private static native int | native_texImage2D(int target, int level, int internalformat, android.graphics.Bitmap bitmap, int type, int border)
| | private static native int | native_texSubImage2D(int target, int level, int xoffset, int yoffset, android.graphics.Bitmap bitmap, int format, int type)
| | public static native void | setTracingLevel(int level)Set OpenGL Tracing level for this application.
| | public static void | texImage2D(int target, int level, int internalformat, android.graphics.Bitmap bitmap, int border)Calls glTexImage2D() on the current OpenGL context. If no context is
current the behavior is the same as calling glTexImage2D() with no
current context, that is, eglGetError() will return the appropriate
error.
Unlike glTexImage2D() bitmap cannot be null and will raise an exception
in that case.
All other parameters are identical to those used for glTexImage2D().
NOTE: this method doesn't change GL_UNPACK_ALIGNMENT, you must make
sure to set it properly according to the supplied bitmap.
Whether or not bitmap can have non power of two dimensions depends on
the current OpenGL context. Always check glGetError() some time
after calling this method, just like when using OpenGL directly.
if (bitmap == null) {
throw new NullPointerException("texImage2D can't be used with a null Bitmap");
}
if (bitmap.isRecycled()) {
throw new IllegalArgumentException("bitmap is recycled");
}
if (native_texImage2D(target, level, internalformat, bitmap, -1, border)!=0) {
throw new IllegalArgumentException("invalid Bitmap format");
}
| | public static void | texImage2D(int target, int level, int internalformat, android.graphics.Bitmap bitmap, int type, int border)A version of texImage2D() that takes an explicit type parameter
as defined by the OpenGL ES specification. The actual type and
internalformat of the bitmap must be compatible with the specified
type and internalformat parameters.
if (bitmap == null) {
throw new NullPointerException("texImage2D can't be used with a null Bitmap");
}
if (bitmap.isRecycled()) {
throw new IllegalArgumentException("bitmap is recycled");
}
if (native_texImage2D(target, level, internalformat, bitmap, type, border)!=0) {
throw new IllegalArgumentException("invalid Bitmap format");
}
| | public static void | texImage2D(int target, int level, android.graphics.Bitmap bitmap, int border)A version of texImage2D that determines the internalFormat and type
automatically.
if (bitmap == null) {
throw new NullPointerException("texImage2D can't be used with a null Bitmap");
}
if (bitmap.isRecycled()) {
throw new IllegalArgumentException("bitmap is recycled");
}
if (native_texImage2D(target, level, -1, bitmap, -1, border)!=0) {
throw new IllegalArgumentException("invalid Bitmap format");
}
| | public static void | texSubImage2D(int target, int level, int xoffset, int yoffset, android.graphics.Bitmap bitmap)Calls glTexSubImage2D() on the current OpenGL context. If no context is
current the behavior is the same as calling glTexSubImage2D() with no
current context, that is, eglGetError() will return the appropriate
error.
Unlike glTexSubImage2D() bitmap cannot be null and will raise an exception
in that case.
All other parameters are identical to those used for glTexSubImage2D().
NOTE: this method doesn't change GL_UNPACK_ALIGNMENT, you must make
sure to set it properly according to the supplied bitmap.
Whether or not bitmap can have non power of two dimensions depends on
the current OpenGL context. Always check glGetError() some time
after calling this method, just like when using OpenGL directly.
if (bitmap == null) {
throw new NullPointerException("texSubImage2D can't be used with a null Bitmap");
}
if (bitmap.isRecycled()) {
throw new IllegalArgumentException("bitmap is recycled");
}
int type = getType(bitmap);
if (native_texSubImage2D(target, level, xoffset, yoffset, bitmap, -1, type)!=0) {
throw new IllegalArgumentException("invalid Bitmap format");
}
| | public static void | texSubImage2D(int target, int level, int xoffset, int yoffset, android.graphics.Bitmap bitmap, int format, int type)A version of texSubImage2D() that takes an explicit type parameter
as defined by the OpenGL ES specification.
if (bitmap == null) {
throw new NullPointerException("texSubImage2D can't be used with a null Bitmap");
}
if (bitmap.isRecycled()) {
throw new IllegalArgumentException("bitmap is recycled");
}
if (native_texSubImage2D(target, level, xoffset, yoffset, bitmap, format, type)!=0) {
throw new IllegalArgumentException("invalid Bitmap format");
}
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