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-rw-r--r--services/surfaceflinger/Android.mk1
-rw-r--r--services/surfaceflinger/Client.cpp159
-rw-r--r--services/surfaceflinger/Client.h79
-rw-r--r--services/surfaceflinger/LayerBase.cpp1
-rw-r--r--services/surfaceflinger/SurfaceFlinger.cpp125
-rw-r--r--services/surfaceflinger/SurfaceFlinger.h34
6 files changed, 241 insertions, 158 deletions
diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index 7d2b75a..5da3a2c 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -2,6 +2,7 @@ LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES:= \
+ Client.cpp \
EventThread.cpp \
Layer.cpp \
LayerBase.cpp \
diff --git a/services/surfaceflinger/Client.cpp b/services/surfaceflinger/Client.cpp
new file mode 100644
index 0000000..6af1943
--- /dev/null
+++ b/services/surfaceflinger/Client.cpp
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <binder/PermissionCache.h>
+
+#include <private/android_filesystem_config.h>
+
+#include "Client.h"
+#include "LayerBase.h"
+#include "SurfaceFlinger.h"
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+const String16 sAccessSurfaceFlinger("android.permission.ACCESS_SURFACE_FLINGER");
+
+// ---------------------------------------------------------------------------
+
+Client::Client(const sp<SurfaceFlinger>& flinger)
+ : mFlinger(flinger), mNameGenerator(1)
+{
+}
+
+Client::~Client()
+{
+ const size_t count = mLayers.size();
+ for (size_t i=0 ; i<count ; i++) {
+ sp<LayerBaseClient> layer(mLayers.valueAt(i).promote());
+ if (layer != 0) {
+ mFlinger->removeLayer(layer);
+ }
+ }
+}
+
+status_t Client::initCheck() const {
+ return NO_ERROR;
+}
+
+size_t Client::attachLayer(const sp<LayerBaseClient>& layer)
+{
+ Mutex::Autolock _l(mLock);
+ size_t name = mNameGenerator++;
+ mLayers.add(name, layer);
+ return name;
+}
+
+void Client::detachLayer(const LayerBaseClient* layer)
+{
+ Mutex::Autolock _l(mLock);
+ // we do a linear search here, because this doesn't happen often
+ const size_t count = mLayers.size();
+ for (size_t i=0 ; i<count ; i++) {
+ if (mLayers.valueAt(i) == layer) {
+ mLayers.removeItemsAt(i, 1);
+ break;
+ }
+ }
+}
+sp<LayerBaseClient> Client::getLayerUser(int32_t i) const
+{
+ Mutex::Autolock _l(mLock);
+ sp<LayerBaseClient> lbc;
+ wp<LayerBaseClient> layer(mLayers.valueFor(i));
+ if (layer != 0) {
+ lbc = layer.promote();
+ ALOGE_IF(lbc==0, "getLayerUser(name=%d) is dead", int(i));
+ }
+ return lbc;
+}
+
+
+status_t Client::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ // these must be checked
+ IPCThreadState* ipc = IPCThreadState::self();
+ const int pid = ipc->getCallingPid();
+ const int uid = ipc->getCallingUid();
+ const int self_pid = getpid();
+ if (CC_UNLIKELY(pid != self_pid && uid != AID_GRAPHICS && uid != 0)) {
+ // we're called from a different process, do the real check
+ if (!PermissionCache::checkCallingPermission(sAccessSurfaceFlinger))
+ {
+ ALOGE("Permission Denial: "
+ "can't openGlobalTransaction pid=%d, uid=%d", pid, uid);
+ return PERMISSION_DENIED;
+ }
+ }
+ return BnSurfaceComposerClient::onTransact(code, data, reply, flags);
+}
+
+
+sp<ISurface> Client::createSurface(
+ ISurfaceComposerClient::surface_data_t* params,
+ const String8& name,
+ DisplayID display, uint32_t w, uint32_t h, PixelFormat format,
+ uint32_t flags)
+{
+ /*
+ * createSurface must be called from the GL thread so that it can
+ * have access to the GL context.
+ */
+
+ class MessageCreateSurface : public MessageBase {
+ sp<ISurface> result;
+ SurfaceFlinger* flinger;
+ ISurfaceComposerClient::surface_data_t* params;
+ Client* client;
+ const String8& name;
+ DisplayID display;
+ uint32_t w, h;
+ PixelFormat format;
+ uint32_t flags;
+ public:
+ MessageCreateSurface(SurfaceFlinger* flinger,
+ ISurfaceComposerClient::surface_data_t* params,
+ const String8& name, Client* client,
+ DisplayID display, uint32_t w, uint32_t h, PixelFormat format,
+ uint32_t flags)
+ : flinger(flinger), params(params), client(client), name(name),
+ display(display), w(w), h(h), format(format), flags(flags)
+ {
+ }
+ sp<ISurface> getResult() const { return result; }
+ virtual bool handler() {
+ result = flinger->createSurface(params, name, client,
+ display, w, h, format, flags);
+ return true;
+ }
+ };
+
+ sp<MessageBase> msg = new MessageCreateSurface(mFlinger.get(),
+ params, name, this, display, w, h, format, flags);
+ mFlinger->postMessageSync(msg);
+ return static_cast<MessageCreateSurface*>( msg.get() )->getResult();
+}
+status_t Client::destroySurface(SurfaceID sid) {
+ return mFlinger->removeSurface(this, sid);
+}
+
+// ---------------------------------------------------------------------------
+}; // namespace android
diff --git a/services/surfaceflinger/Client.h b/services/surfaceflinger/Client.h
new file mode 100644
index 0000000..9bfee72
--- /dev/null
+++ b/services/surfaceflinger/Client.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_SF_CLIENT_H
+#define ANDROID_SF_CLIENT_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/KeyedVector.h>
+#include <utils/Mutex.h>
+
+#include <gui/ISurfaceComposerClient.h>
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class LayerBaseClient;
+class SurfaceFlinger;
+
+// ---------------------------------------------------------------------------
+
+class Client : public BnSurfaceComposerClient
+{
+public:
+ Client(const sp<SurfaceFlinger>& flinger);
+ ~Client();
+
+ status_t initCheck() const;
+
+ // protected by SurfaceFlinger::mStateLock
+ size_t attachLayer(const sp<LayerBaseClient>& layer);
+
+ void detachLayer(const LayerBaseClient* layer);
+
+ sp<LayerBaseClient> getLayerUser(int32_t i) const;
+
+private:
+ // ISurfaceComposerClient interface
+ virtual sp<ISurface> createSurface(
+ surface_data_t* params, const String8& name,
+ DisplayID display, uint32_t w, uint32_t h,PixelFormat format,
+ uint32_t flags);
+
+ virtual status_t destroySurface(SurfaceID surfaceId);
+
+ virtual status_t onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
+
+ // constant
+ sp<SurfaceFlinger> mFlinger;
+
+ // protected by mLock
+ DefaultKeyedVector< size_t, wp<LayerBaseClient> > mLayers;
+ size_t mNameGenerator;
+
+ // thread-safe
+ mutable Mutex mLock;
+};
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_SF_CLIENT_H
diff --git a/services/surfaceflinger/LayerBase.cpp b/services/surfaceflinger/LayerBase.cpp
index fe15dc9..893dcb9 100644
--- a/services/surfaceflinger/LayerBase.cpp
+++ b/services/surfaceflinger/LayerBase.cpp
@@ -29,6 +29,7 @@
#include <hardware/hardware.h>
#include "clz.h"
+#include "Client.h"
#include "LayerBase.h"
#include "SurfaceFlinger.h"
#include "DisplayHardware/DisplayHardware.h"
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index e2c7aed..bc850ea 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -50,6 +50,7 @@
#include "clz.h"
#include "DdmConnection.h"
+#include "Client.h"
#include "EventThread.h"
#include "GLExtensions.h"
#include "Layer.h"
@@ -2509,130 +2510,6 @@ sp<Layer> SurfaceFlinger::getLayer(const sp<ISurface>& sur) const
// ---------------------------------------------------------------------------
-Client::Client(const sp<SurfaceFlinger>& flinger)
- : mFlinger(flinger), mNameGenerator(1)
-{
-}
-
-Client::~Client()
-{
- const size_t count = mLayers.size();
- for (size_t i=0 ; i<count ; i++) {
- sp<LayerBaseClient> layer(mLayers.valueAt(i).promote());
- if (layer != 0) {
- mFlinger->removeLayer(layer);
- }
- }
-}
-
-status_t Client::initCheck() const {
- return NO_ERROR;
-}
-
-size_t Client::attachLayer(const sp<LayerBaseClient>& layer)
-{
- Mutex::Autolock _l(mLock);
- size_t name = mNameGenerator++;
- mLayers.add(name, layer);
- return name;
-}
-
-void Client::detachLayer(const LayerBaseClient* layer)
-{
- Mutex::Autolock _l(mLock);
- // we do a linear search here, because this doesn't happen often
- const size_t count = mLayers.size();
- for (size_t i=0 ; i<count ; i++) {
- if (mLayers.valueAt(i) == layer) {
- mLayers.removeItemsAt(i, 1);
- break;
- }
- }
-}
-sp<LayerBaseClient> Client::getLayerUser(int32_t i) const
-{
- Mutex::Autolock _l(mLock);
- sp<LayerBaseClient> lbc;
- wp<LayerBaseClient> layer(mLayers.valueFor(i));
- if (layer != 0) {
- lbc = layer.promote();
- ALOGE_IF(lbc==0, "getLayerUser(name=%d) is dead", int(i));
- }
- return lbc;
-}
-
-
-status_t Client::onTransact(
- uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
- // these must be checked
- IPCThreadState* ipc = IPCThreadState::self();
- const int pid = ipc->getCallingPid();
- const int uid = ipc->getCallingUid();
- const int self_pid = getpid();
- if (CC_UNLIKELY(pid != self_pid && uid != AID_GRAPHICS && uid != 0)) {
- // we're called from a different process, do the real check
- if (!PermissionCache::checkCallingPermission(sAccessSurfaceFlinger))
- {
- ALOGE("Permission Denial: "
- "can't openGlobalTransaction pid=%d, uid=%d", pid, uid);
- return PERMISSION_DENIED;
- }
- }
- return BnSurfaceComposerClient::onTransact(code, data, reply, flags);
-}
-
-
-sp<ISurface> Client::createSurface(
- ISurfaceComposerClient::surface_data_t* params,
- const String8& name,
- DisplayID display, uint32_t w, uint32_t h, PixelFormat format,
- uint32_t flags)
-{
- /*
- * createSurface must be called from the GL thread so that it can
- * have access to the GL context.
- */
-
- class MessageCreateSurface : public MessageBase {
- sp<ISurface> result;
- SurfaceFlinger* flinger;
- ISurfaceComposerClient::surface_data_t* params;
- Client* client;
- const String8& name;
- DisplayID display;
- uint32_t w, h;
- PixelFormat format;
- uint32_t flags;
- public:
- MessageCreateSurface(SurfaceFlinger* flinger,
- ISurfaceComposerClient::surface_data_t* params,
- const String8& name, Client* client,
- DisplayID display, uint32_t w, uint32_t h, PixelFormat format,
- uint32_t flags)
- : flinger(flinger), params(params), client(client), name(name),
- display(display), w(w), h(h), format(format), flags(flags)
- {
- }
- sp<ISurface> getResult() const { return result; }
- virtual bool handler() {
- result = flinger->createSurface(params, name, client,
- display, w, h, format, flags);
- return true;
- }
- };
-
- sp<MessageBase> msg = new MessageCreateSurface(mFlinger.get(),
- params, name, this, display, w, h, format, flags);
- mFlinger->postMessageSync(msg);
- return static_cast<MessageCreateSurface*>( msg.get() )->getResult();
-}
-status_t Client::destroySurface(SurfaceID sid) {
- return mFlinger->removeSurface(this, sid);
-}
-
-// ---------------------------------------------------------------------------
-
GraphicBufferAlloc::GraphicBufferAlloc() {}
GraphicBufferAlloc::~GraphicBufferAlloc() {}
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index f0e955b..0700fb9 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -57,40 +57,6 @@ struct surface_flinger_cblk_t;
// ---------------------------------------------------------------------------
-class Client : public BnSurfaceComposerClient
-{
-public:
- Client(const sp<SurfaceFlinger>& flinger);
- ~Client();
-
- status_t initCheck() const;
-
- // protected by SurfaceFlinger::mStateLock
- size_t attachLayer(const sp<LayerBaseClient>& layer);
- void detachLayer(const LayerBaseClient* layer);
- sp<LayerBaseClient> getLayerUser(int32_t i) const;
-
-private:
- // ISurfaceComposerClient interface
- virtual sp<ISurface> createSurface(
- surface_data_t* params, const String8& name,
- DisplayID display, uint32_t w, uint32_t h,PixelFormat format,
- uint32_t flags);
- virtual status_t destroySurface(SurfaceID surfaceId);
- virtual status_t onTransact(
- uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
-
- // constant
- sp<SurfaceFlinger> mFlinger;
-
- // protected by mLock
- DefaultKeyedVector< size_t, wp<LayerBaseClient> > mLayers;
- size_t mNameGenerator;
-
- // thread-safe
- mutable Mutex mLock;
-};
-
class GraphicBufferAlloc : public BnGraphicBufferAlloc
{
public:
generated by cgit v1.1 at 2025-01-10 11:28:50 +0000