Implement USAGE_IO_INPUT

Change-Id: Idbf7bb21f5ab673ad77082c5c19921d2b276c04b

1 files changed, 19 insertions, 0 deletions

diff --git a/libs/rs/rsAllocation.cpp b/libs/rs/rsAllocation.cpp
index a404c49..cdff49c 100644
--- a/libs/rs/rsAllocation.cpp
+++ b/libs/rs/rsAllocation.cpp
@@ -20,6 +20,7 @@
 #include "rs_hal.h"
 
 #include "system/window.h"
+#include "gui/SurfaceTexture.h"
 
 using namespace android;
 using namespace android::renderscript;
@@ -64,6 +65,7 @@ void Allocation::updateCache() {
 
 Allocation::~Allocation() {
     freeChildrenUnlocked();
+    setSurfaceTexture(mRSC, NULL);
     mRSC->mHal.funcs.allocation.destroy(mRSC, this);
 }
 
@@ -424,6 +426,18 @@ int32_t Allocation::getSurfaceTextureID(const Context *rsc) {
     return id;
 }
 
+void Allocation::setSurfaceTexture(const Context *rsc, SurfaceTexture *st) {
+    if(st != mHal.state.surfaceTexture) {
+        if(mHal.state.surfaceTexture != NULL) {
+            mHal.state.surfaceTexture->decStrong(NULL);
+        }
+        mHal.state.surfaceTexture = st;
+        if(mHal.state.surfaceTexture != NULL) {
+            mHal.state.surfaceTexture->incStrong(NULL);
+        }
+    }
+}
+
 void Allocation::setSurface(const Context *rsc, RsNativeWindow sur) {
     ANativeWindow *nw = (ANativeWindow *)sur;
     ANativeWindow *old = mHal.state.wndSurface;
@@ -696,6 +710,11 @@ int32_t rsi_AllocationGetSurfaceTextureID(Context *rsc, RsAllocation valloc) {
     return alloc->getSurfaceTextureID(rsc);
 }
 
+void rsi_AllocationGetSurfaceTextureID2(Context *rsc, RsAllocation valloc, void *vst, size_t len) {
+    Allocation *alloc = static_cast<Allocation *>(valloc);
+    alloc->setSurfaceTexture(rsc, static_cast<SurfaceTexture *>(vst));
+}
+
 void rsi_AllocationSetSurface(Context *rsc, RsAllocation valloc, RsNativeWindow sur) {
     Allocation *alloc = static_cast<Allocation *>(valloc);
     alloc->setSurface(rsc, sur);