/* private native int _eglCopyBuffers ( int display , int surface , Graphics target ) ; */
KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_khronos_egl_EGL10Impl__1eglCopyBuffers() {
EGLDisplay display = (EGLDisplay) KNI_GetParameterAsInt(1);
EGLSurface surface = (EGLSurface) KNI_GetParameterAsInt(2);
jint width = KNI_GetParameterAsInt(4);
jint height = KNI_GetParameterAsInt(5);
jint flip = 0;
JSR239_Pixmap *pixmap = (JSR239_Pixmap *) 0;
EGLBoolean returnValue = EGL_FALSE;
KNI_StartHandles(1);
KNI_DeclareHandle(graphicsHandle);
KNI_GetParameterAsObject(3, graphicsHandle);
returnValue = (jint)eglCopyBuffers((EGLDisplay) display,
(EGLSurface) surface,
(NativePixmapType) pixmap);
#ifdef DEBUG
printf("eglCopyBuffers(0x%x, 0x%x, 0x%x) = %d\n",
display, surface, pixmap, returnValue);
#endif
/* Workaround - use glReadPixels if eglCopyBuffers fails. */
if (returnValue == EGL_FALSE) {
pixmap = JSR239_getImagePixmap(graphicsHandle,
width, height,
4, 8, 8, 8, 8);
if (!pixmap) {
KNI_ThrowNew("java.lang.OutOfMemoryException", "eglCopyBuffers");
goto exit;
}
// Enforce RGBA order of glReadPixels
pixmap->aOffset = 24;
pixmap->bOffset = 16;
pixmap->gOffset = 8;
pixmap->rOffset = 0;
returnValue = eglCopyBuffersWorkaround((EGLDisplay) display,
(EGLSurface) surface,
pixmap);
flip = 1;
}
if (returnValue == EGL_TRUE) {
JSR239_putWindowContents(graphicsHandle, pixmap, flip);
}
if (pixmap) {
JSR239_destroyPixmap(pixmap);
}
exit:
KNI_EndHandles();
KNI_ReturnInt((jint)returnValue);
}
/* private native int getImagePixmap( int displayId , int configId , Graphics imageGraphics , int width , int height ) ; */
KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_khronos_egl_EGL10Impl__1getImagePixmap() {
jint displayId = KNI_GetParameterAsInt(1);
jint configId = KNI_GetParameterAsInt(2);
jint width = KNI_GetParameterAsInt(4);
jint height = KNI_GetParameterAsInt(5);
jint returnValue;
EGLDisplay display = (EGLDisplay)displayId;
EGLConfig config = (EGLConfig)configId;
EGLint redSize, greenSize, blueSize, alphaSize, bufferSize;
KNI_StartHandles(1);
KNI_DeclareHandle(graphicsHandle);
KNI_GetParameterAsObject(3, graphicsHandle);
eglGetConfigAttrib(display, config, EGL_RED_SIZE, &redSize);
eglGetConfigAttrib(display, config, EGL_GREEN_SIZE, &greenSize);
eglGetConfigAttrib(display, config, EGL_BLUE_SIZE, &blueSize);
eglGetConfigAttrib(display, config, EGL_ALPHA_SIZE, &alphaSize);
eglGetConfigAttrib(display, config, EGL_BUFFER_SIZE, &bufferSize);
returnValue = (jint)JSR239_getImagePixmap(graphicsHandle, width, height,
(jint)((bufferSize + 7)/8),
(jint)redSize,
(jint)greenSize,
(jint)blueSize,
(jint)alphaSize);
#ifdef DEBUG
printf("JSR239_getImagePixmap(0x%x, %d, %d, %d, %d, %d, %d) = 0x%x\n",
graphicsHandle, width, height,
redSize, greenSize, blueSize, alphaSize,
returnValue);
#endif
KNI_EndHandles();
KNI_ReturnInt(returnValue);
}
