/*
* Class: sun_java2d_windows_WinBackBufferSurfaceData
* Method: initSurface
* Signature: (IIILsun/awt/windows/WinBackBufferSurfaceData;)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_WinBackBufferSurfaceData_initSurface(JNIEnv *env,
jobject sData, jint depth, jint width, jint height, jint screen,
jobject parentData)
{
Win32SDOps *wsdo = (Win32SDOps *)SurfaceData_GetOps(env, sData);
J2dTraceLn(J2D_TRACE_INFO, "Win32BBSD_initSurface");
/* Set the correct dispose method */
wsdo->sdOps.Dispose = Win32BBSD_Dispose;
jboolean status =
initOSSD_WSDO(env, wsdo, width, height, screen, JNI_FALSE);
if (status == JNI_FALSE || parentData == NULL) {
SurfaceData_ThrowInvalidPipeException(env,
"Error initalizing back-buffer surface");
return;
}
Win32SDOps *wsdo_parent = (Win32SDOps*)SurfaceData_GetOps(env, parentData);
if (!DDGetAttachedSurface(env, wsdo_parent, wsdo)) {
SurfaceData_ThrowInvalidPipeException(env,
"Can't create attached surface");
}
J2dTraceLn1(J2D_TRACE_VERBOSE,
"Win32BackBufferSurfaceData_initSurface: "\
"completed wsdo->lpSurface=0x%x", wsdo->lpSurface);
}
JNIEXPORT void JNICALL
Java_sun_awt_windows_Win32OffScreenSurfaceData_initSurface(JNIEnv *env,
jobject sData,
jint depth,
jint width,
jint height,
jint screen,
jboolean isVolatile,
jint transparency)
{
Win32SDOps *wsdo = (Win32SDOps *)SurfaceData_GetOps(env, sData);
DTRACE_PRINTLN("Win32OSSD_initSurface");
initOSSD_WSDO(env, wsdo, width, height, screen, transparency);
if (!DDCreateSurface(wsdo, isVolatile /* d3d caps desired, if possible */)) {
DTRACE_PRINTLN1("Win32OSD.initSurface: Can't create offsc surf tr=%d\n",
transparency);
SurfaceData_ThrowInvalidPipeException(env,
"Can't create offscreen surf");
} else {
wsdo->surfacePuntData.lpSurfaceVram = wsdo->lpSurface;
if (!D3DEnabled(wsdo)) {
// d3d enabled by default for each surface - disable if necessary
env->SetBooleanField(sData, localD3dEnabledID, JNI_FALSE);
} else {
env->SetBooleanField(sData, d3dClippingEnabledID,
(DDINSTANCE_USABLE(wsdo->ddInstance) &&
wsdo->ddInstance->canClipD3dLines));
}
}
// 8 is somewhat arbitrary; we want the threshhold to represent a
// significant portion of the surface area in order to avoid
// punting for occasional, small reads
wsdo->surfacePuntData.pixelsReadThreshold = width * height / 8;
/**
* Only enable our punt-to-sysmem-surface scheme for surfaces that are:
* - non-transparent (we really only intended this workaround for
* back buffers, which are usually opaque)
* - volatile (non-volatile images should not even get into the punt
* situation since they should not be a rendering destination, but
* we check this just to make sure)
* And only do so if the user did not specify that punting be disabled
*/
wsdo->surfacePuntData.disablePunts = (transparency != TR_OPAQUE) ||
!isVolatile ||
ddVramForced;
}
