Implement RS VSync on new vsync infrastructure.
Change-Id: I662159a086a56e28732dd64a3a3cb30f8d4b72b1
Replace lockless fifo from server to client with sockets.
Change-Id: I99a4ab4f18496c0fbac96ee7b8099797af4712ea
diff --git a/rsFifoSocket.cpp b/rsFifoSocket.cpp
index 163a44b..bd511cf 100644
--- a/rsFifoSocket.cpp
+++ b/rsFifoSocket.cpp
@@ -22,6 +22,7 @@
#include <stdlib.h>
#include <ctype.h>
#include <unistd.h>
+#include <poll.h>
#include <sys/types.h>
#include <sys/socket.h>
@@ -29,55 +30,79 @@
using namespace android::renderscript;
FifoSocket::FifoSocket() {
- sequence = 1;
+ mShutdown = false;
}
FifoSocket::~FifoSocket() {
}
-bool FifoSocket::init() {
+bool FifoSocket::init(bool supportNonBlocking, bool supportReturnValues, size_t maxDataSize) {
int ret = socketpair(AF_UNIX, SOCK_STREAM, 0, sv);
return false;
}
void FifoSocket::shutdown() {
+ mShutdown = true;
+ uint64_t d = 0;
+ ::send(sv[0], &d, sizeof(d), 0);
+ ::send(sv[1], &d, sizeof(d), 0);
+ close(sv[0]);
+ close(sv[1]);
}
-void FifoSocket::writeAsync(const void *data, size_t bytes) {
+bool FifoSocket::writeAsync(const void *data, size_t bytes, bool waitForSpace) {
if (bytes == 0) {
- return;
+ return true;
}
//ALOGE("writeAsync %p %i", data, bytes);
size_t ret = ::send(sv[0], data, bytes, 0);
//ALOGE("writeAsync ret %i", ret);
rsAssert(ret == bytes);
+ return true;
}
void FifoSocket::writeWaitReturn(void *retData, size_t retBytes) {
+ if (mShutdown) {
+ return;
+ }
+
//ALOGE("writeWaitReturn %p %i", retData, retBytes);
- size_t ret = ::recv(sv[0], retData, retBytes, 0);
+ size_t ret = ::recv(sv[0], retData, retBytes, MSG_WAITALL);
//ALOGE("writeWaitReturn %i", ret);
rsAssert(ret == retBytes);
}
size_t FifoSocket::read(void *data, size_t bytes) {
+ if (mShutdown) {
+ return 0;
+ }
+
//ALOGE("read %p %i", data, bytes);
- size_t ret = ::recv(sv[1], data, bytes, 0);
- rsAssert(ret == bytes);
- //ALOGE("read ret %i", ret);
+ size_t ret = ::recv(sv[1], data, bytes, MSG_WAITALL);
+ rsAssert(ret == bytes || mShutdown);
+ //ALOGE("read ret %i bytes %i", ret, bytes);
+ if (mShutdown) {
+ ret = 0;
+ }
return ret;
}
-void FifoSocket::readReturn(const void *data, size_t bytes) {
- ALOGE("readReturn %p %Zu", data, bytes);
- size_t ret = ::send(sv[1], data, bytes, 0);
- ALOGE("readReturn %Zu", ret);
- rsAssert(ret == bytes);
+bool FifoSocket::isEmpty() {
+ struct pollfd p;
+ p.fd = sv[1];
+ p.events = POLLIN;
+ int r = poll(&p, 1, 0);
+ //ALOGE("poll r=%i", r);
+ return r == 0;
}
-void FifoSocket::flush() {
+void FifoSocket::readReturn(const void *data, size_t bytes) {
+ //ALOGE("readReturn %p %Zu", data, bytes);
+ size_t ret = ::send(sv[1], data, bytes, 0);
+ //ALOGE("readReturn %Zu", ret);
+ //rsAssert(ret == bytes);
}
