eclair snapshot
diff --git a/include/private/ui/LayerState.h b/include/private/ui/LayerState.h
index b6fcd80..f1a2618 100644
--- a/include/private/ui/LayerState.h
+++ b/include/private/ui/LayerState.h
@@ -25,8 +25,6 @@
#include <ui/ISurfaceFlingerClient.h>
#include <ui/Region.h>
-#include <private/ui/SharedState.h>
-
namespace android {
class Parcel;
diff --git a/include/private/ui/RegionHelper.h b/include/private/ui/RegionHelper.h
new file mode 100644
index 0000000..8d76533
--- /dev/null
+++ b/include/private/ui/RegionHelper.h
@@ -0,0 +1,284 @@
+/*
+ * Copyright (C) 2009 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_UI_PRIVATE_REGION_HELPER_H
+#define ANDROID_UI_PRIVATE_REGION_HELPER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+namespace android {
+// ----------------------------------------------------------------------------
+
+template<typename RECT>
+class region_operator
+{
+ typedef typename RECT::value_type TYPE;
+ static const TYPE max_value = 0x7FFFFFF;
+
+public:
+ /*
+ * Common boolean operations:
+ * value is computed as 0b101 op 0b110
+ * other boolean operation are possible, simply compute
+ * their corresponding value with the above formulae and use
+ * it when instantiating a region_operator.
+ */
+ static const uint32_t LHS = 0x5; // 0b101
+ static const uint32_t RHS = 0x6; // 0b110
+ enum {
+ op_nand = LHS & ~RHS,
+ op_and = LHS & RHS,
+ op_or = LHS | RHS,
+ op_xor = LHS ^ RHS
+ };
+
+ struct region {
+ RECT const* rects;
+ size_t count;
+ TYPE dx;
+ TYPE dy;
+ inline region(const region& rhs)
+ : rects(rhs.rects), count(rhs.count), dx(rhs.dx), dy(rhs.dy) { }
+ inline region(RECT const* r, size_t c)
+ : rects(r), count(c), dx(), dy() { }
+ inline region(RECT const* r, size_t c, TYPE dx, TYPE dy)
+ : rects(r), count(c), dx(dx), dy(dy) { }
+ };
+
+ class region_rasterizer {
+ friend class region_operator;
+ virtual void operator()(const RECT& rect) = 0;
+ public:
+ virtual ~region_rasterizer() { };
+ };
+
+ inline region_operator(int op, const region& lhs, const region& rhs)
+ : op_mask(op), spanner(lhs, rhs)
+ {
+ }
+
+ void operator()(region_rasterizer& rasterizer) {
+ RECT current;
+ do {
+ SpannerInner spannerInner(spanner.lhs, spanner.rhs);
+ int inside = spanner.next(current.top, current.bottom);
+ spannerInner.prepare(inside);
+ do {
+ TYPE left, right;
+ int inside = spannerInner.next(current.left, current.right);
+ if ((op_mask >> inside) & 1) {
+ if (current.left < current.right &&
+ current.top < current.bottom) {
+ rasterizer(current);
+ }
+ }
+ } while(!spannerInner.isDone());
+ } while(!spanner.isDone());
+ }
+
+private:
+ uint32_t op_mask;
+
+ class SpannerBase
+ {
+ public:
+ enum {
+ lhs_before_rhs = 0,
+ lhs_after_rhs = 1,
+ lhs_coincide_rhs = 2
+ };
+
+ protected:
+ TYPE lhs_head;
+ TYPE lhs_tail;
+ TYPE rhs_head;
+ TYPE rhs_tail;
+
+ inline int next(TYPE& head, TYPE& tail,
+ bool& more_lhs, bool& more_rhs)
+ {
+ int inside;
+ more_lhs = false;
+ more_rhs = false;
+ if (lhs_head < rhs_head) {
+ inside = lhs_before_rhs;
+ head = lhs_head;
+ if (lhs_tail <= rhs_head) {
+ tail = lhs_tail;
+ more_lhs = true;
+ } else {
+ lhs_head = rhs_head;
+ tail = rhs_head;
+ }
+ } else if (rhs_head < lhs_head) {
+ inside = lhs_after_rhs;
+ head = rhs_head;
+ if (rhs_tail <= lhs_head) {
+ tail = rhs_tail;
+ more_rhs = true;
+ } else {
+ rhs_head = lhs_head;
+ tail = lhs_head;
+ }
+ } else {
+ inside = lhs_coincide_rhs;
+ head = lhs_head;
+ if (lhs_tail <= rhs_tail) {
+ tail = rhs_head = lhs_tail;
+ more_lhs = true;
+ }
+ if (rhs_tail <= lhs_tail) {
+ tail = lhs_head = rhs_tail;
+ more_rhs = true;
+ }
+ }
+ return inside;
+ }
+ };
+
+ class Spanner : protected SpannerBase
+ {
+ friend class region_operator;
+ region lhs;
+ region rhs;
+
+ public:
+ inline Spanner(const region& lhs, const region& rhs)
+ : lhs(lhs), rhs(rhs)
+ {
+ SpannerBase::lhs_head = lhs.rects->top + lhs.dy;
+ SpannerBase::lhs_tail = lhs.rects->bottom + lhs.dy;
+ SpannerBase::rhs_head = rhs.rects->top + rhs.dy;
+ SpannerBase::rhs_tail = rhs.rects->bottom + rhs.dy;
+ }
+
+ inline bool isDone() const {
+ return !rhs.count && !lhs.count;
+ }
+
+ inline int next(TYPE& top, TYPE& bottom)
+ {
+ bool more_lhs = false;
+ bool more_rhs = false;
+ int inside = SpannerBase::next(top, bottom, more_lhs, more_rhs);
+ if (more_lhs) {
+ advance(lhs, SpannerBase::lhs_head, SpannerBase::lhs_tail);
+ }
+ if (more_rhs) {
+ advance(rhs, SpannerBase::rhs_head, SpannerBase::rhs_tail);
+ }
+ return inside;
+ }
+
+ private:
+ static inline
+ void advance(region& reg, TYPE& aTop, TYPE& aBottom) {
+ // got to next span
+ size_t count = reg.count;
+ RECT const * rects = reg.rects;
+ RECT const * const end = rects + count;
+ const int top = rects->top;
+ while (rects != end && rects->top == top) {
+ rects++;
+ count--;
+ }
+ if (rects != end) {
+ aTop = rects->top + reg.dy;
+ aBottom = rects->bottom + reg.dy;
+ } else {
+ aTop = max_value;
+ aBottom = max_value;
+ }
+ reg.rects = rects;
+ reg.count = count;
+ }
+ };
+
+ class SpannerInner : protected SpannerBase
+ {
+ region lhs;
+ region rhs;
+
+ public:
+ inline SpannerInner(const region& lhs, const region& rhs)
+ : lhs(lhs), rhs(rhs)
+ {
+ }
+
+ inline void prepare(int inside) {
+ if (inside == SpannerBase::lhs_before_rhs) {
+ SpannerBase::lhs_head = lhs.rects->left + lhs.dx;
+ SpannerBase::lhs_tail = lhs.rects->right + lhs.dx;
+ SpannerBase::rhs_head = max_value;
+ SpannerBase::rhs_tail = max_value;
+ } else if (inside == SpannerBase::lhs_after_rhs) {
+ SpannerBase::lhs_head = max_value;
+ SpannerBase::lhs_tail = max_value;
+ SpannerBase::rhs_head = rhs.rects->left + rhs.dx;
+ SpannerBase::rhs_tail = rhs.rects->right + rhs.dx;
+ } else {
+ SpannerBase::lhs_head = lhs.rects->left + lhs.dx;
+ SpannerBase::lhs_tail = lhs.rects->right + lhs.dx;
+ SpannerBase::rhs_head = rhs.rects->left + rhs.dx;
+ SpannerBase::rhs_tail = rhs.rects->right + rhs.dx;
+ }
+ }
+
+ inline bool isDone() const {
+ return SpannerBase::lhs_head == max_value &&
+ SpannerBase::rhs_head == max_value;
+ }
+
+ inline int next(TYPE& left, TYPE& right)
+ {
+ bool more_lhs = false;
+ bool more_rhs = false;
+ int inside = SpannerBase::next(left, right, more_lhs, more_rhs);
+ if (more_lhs) {
+ advance(lhs, SpannerBase::lhs_head, SpannerBase::lhs_tail);
+ }
+ if (more_rhs) {
+ advance(rhs, SpannerBase::rhs_head, SpannerBase::rhs_tail);
+ }
+ return inside;
+ }
+
+ private:
+ static inline
+ void advance(region& reg, TYPE& left, TYPE& right) {
+ if (reg.rects && reg.count) {
+ const int cur_span_top = reg.rects->top;
+ reg.rects++;
+ reg.count--;
+ if (!reg.count || reg.rects->top != cur_span_top) {
+ left = max_value;
+ right = max_value;
+ } else {
+ left = reg.rects->left + reg.dx;
+ right = reg.rects->right + reg.dx;
+ }
+ }
+ }
+ };
+
+ Spanner spanner;
+};
+
+// ----------------------------------------------------------------------------
+};
+
+#endif /* ANDROID_UI_PRIVATE_REGION_HELPER_H */
diff --git a/include/private/ui/SharedBufferStack.h b/include/private/ui/SharedBufferStack.h
new file mode 100644
index 0000000..bbc1822
--- /dev/null
+++ b/include/private/ui/SharedBufferStack.h
@@ -0,0 +1,359 @@
+/*
+ * Copyright (C) 2007 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_UI_SHARED_BUFFER_STACK_H
+#define ANDROID_UI_SHARED_BUFFER_STACK_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <cutils/compiler.h>
+
+#include <utils/Debug.h>
+#include <utils/threads.h>
+#include <utils/String8.h>
+
+#include <ui/Rect.h>
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+/*
+ * These classes manage a stack of buffers in shared memory.
+ *
+ * SharedClient: represents a client with several stacks
+ * SharedBufferStack: represents a stack of buffers
+ * SharedBufferClient: manipulates the SharedBufferStack from the client side
+ * SharedBufferServer: manipulates the SharedBufferStack from the server side
+ *
+ * Buffers can be dequeued until there are none available, they can be locked
+ * unless they are in use by the server, which is only the case for the last
+ * dequeue-able buffer. When these various conditions are not met, the caller
+ * waits until the condition is met.
+ *
+ *
+ * CAVEATS:
+ *
+ * In the current implementation there are several limitations:
+ * - buffers must be locked in the same order they've been dequeued
+ * - buffers must be enqueued in the same order they've been locked
+ * - dequeue() is not reentrant
+ * - no error checks are done on the condition above
+ *
+ */
+
+// When changing these values, the COMPILE_TIME_ASSERT at the end of this
+// file need to be updated.
+const unsigned int NUM_LAYERS_MAX = 31;
+const unsigned int NUM_BUFFER_MAX = 4;
+const unsigned int NUM_DISPLAY_MAX = 4;
+
+// ----------------------------------------------------------------------------
+
+class Region;
+class SharedBufferStack;
+class SharedClient;
+
+// ----------------------------------------------------------------------------
+
+// should be 128 bytes (32 longs)
+class SharedBufferStack
+{
+ friend class SharedClient;
+ friend class SharedBufferBase;
+ friend class SharedBufferClient;
+ friend class SharedBufferServer;
+
+public:
+ struct FlatRegion { // 12 bytes
+ static const unsigned int NUM_RECT_MAX = 1;
+ uint32_t count;
+ uint16_t rects[4*NUM_RECT_MAX];
+ };
+
+ struct Statistics { // 4 longs
+ typedef int32_t usecs_t;
+ usecs_t totalTime;
+ usecs_t reserved[3];
+ };
+
+ SharedBufferStack();
+ void init(int32_t identity);
+ status_t setDirtyRegion(int buffer, const Region& reg);
+ Region getDirtyRegion(int buffer) const;
+
+ // these attributes are part of the conditions/updates
+ volatile int32_t head; // server's current front buffer
+ volatile int32_t available; // number of dequeue-able buffers
+ volatile int32_t queued; // number of buffers waiting for post
+ volatile int32_t inUse; // buffer currently in use by SF
+ volatile status_t status; // surface's status code
+
+ // not part of the conditions
+ volatile int32_t reallocMask;
+
+ int32_t identity; // surface's identity (const)
+ int32_t reserved32[9];
+ Statistics stats;
+ FlatRegion dirtyRegion[NUM_BUFFER_MAX]; // 12*4=48 bytes
+};
+
+// ----------------------------------------------------------------------------
+
+// 4 KB max
+class SharedClient
+{
+public:
+ SharedClient();
+ ~SharedClient();
+
+ status_t validate(size_t token) const;
+ uint32_t getIdentity(size_t token) const;
+
+private:
+ friend class SharedBufferBase;
+ friend class SharedBufferClient;
+ friend class SharedBufferServer;
+
+ // FIXME: this should be replaced by a lock-less primitive
+ Mutex lock;
+ Condition cv;
+ SharedBufferStack surfaces[ NUM_LAYERS_MAX ];
+};
+
+// ============================================================================
+
+class SharedBufferBase
+{
+public:
+ SharedBufferBase(SharedClient* sharedClient, int surface, int num,
+ int32_t identity);
+ ~SharedBufferBase();
+ uint32_t getIdentity();
+ status_t getStatus() const;
+ size_t getFrontBuffer() const;
+ String8 dump(char const* prefix) const;
+
+protected:
+ SharedClient* const mSharedClient;
+ SharedBufferStack* const mSharedStack;
+ const int mNumBuffers;
+ const int mIdentity;
+
+ friend struct Update;
+ friend struct QueueUpdate;
+
+ struct ConditionBase {
+ SharedBufferStack& stack;
+ inline ConditionBase(SharedBufferBase* sbc)
+ : stack(*sbc->mSharedStack) { }
+ };
+
+ struct UpdateBase {
+ SharedBufferStack& stack;
+ inline UpdateBase(SharedBufferBase* sbb)
+ : stack(*sbb->mSharedStack) { }
+ };
+
+ template <typename T>
+ status_t waitForCondition(T condition);
+
+ template <typename T>
+ status_t updateCondition(T update);
+};
+
+template <typename T>
+status_t SharedBufferBase::waitForCondition(T condition)
+{
+ const SharedBufferStack& stack( *mSharedStack );
+ SharedClient& client( *mSharedClient );
+ const nsecs_t TIMEOUT = s2ns(1);
+ Mutex::Autolock _l(client.lock);
+ while ((condition()==false) &&
+ (stack.identity == mIdentity) &&
+ (stack.status == NO_ERROR))
+ {
+ status_t err = client.cv.waitRelative(client.lock, TIMEOUT);
+
+ // handle errors and timeouts
+ if (CC_UNLIKELY(err != NO_ERROR)) {
+ if (err == TIMED_OUT) {
+ if (condition()) {
+ LOGE("waitForCondition(%s) timed out (identity=%d), "
+ "but condition is true! We recovered but it "
+ "shouldn't happen." , T::name(),
+ stack.identity);
+ break;
+ } else {
+ LOGW("waitForCondition(%s) timed out "
+ "(identity=%d, status=%d). "
+ "CPU may be pegged. trying again.", T::name(),
+ stack.identity, stack.status);
+ }
+ } else {
+ LOGE("waitForCondition(%s) error (%s) ",
+ T::name(), strerror(-err));
+ return err;
+ }
+ }
+ }
+ return (stack.identity != mIdentity) ? status_t(BAD_INDEX) : stack.status;
+}
+
+
+template <typename T>
+status_t SharedBufferBase::updateCondition(T update) {
+ SharedClient& client( *mSharedClient );
+ Mutex::Autolock _l(client.lock);
+ ssize_t result = update();
+ client.cv.broadcast();
+ return result;
+}
+
+// ----------------------------------------------------------------------------
+
+class SharedBufferClient : public SharedBufferBase
+{
+public:
+ SharedBufferClient(SharedClient* sharedClient, int surface, int num,
+ int32_t identity);
+
+ ssize_t dequeue();
+ status_t undoDequeue(int buf);
+
+ status_t lock(int buf);
+ status_t queue(int buf);
+ bool needNewBuffer(int buffer) const;
+ status_t setDirtyRegion(int buffer, const Region& reg);
+
+private:
+ friend struct Condition;
+ friend struct DequeueCondition;
+ friend struct LockCondition;
+
+ int32_t computeTail() const;
+
+ struct QueueUpdate : public UpdateBase {
+ inline QueueUpdate(SharedBufferBase* sbb);
+ inline ssize_t operator()();
+ };
+
+ struct UndoDequeueUpdate : public UpdateBase {
+ inline UndoDequeueUpdate(SharedBufferBase* sbb);
+ inline ssize_t operator()();
+ };
+
+ // --
+
+ struct DequeueCondition : public ConditionBase {
+ inline DequeueCondition(SharedBufferClient* sbc);
+ inline bool operator()();
+ static inline const char* name() { return "DequeueCondition"; }
+ };
+
+ struct LockCondition : public ConditionBase {
+ int buf;
+ inline LockCondition(SharedBufferClient* sbc, int buf);
+ inline bool operator()();
+ static inline const char* name() { return "LockCondition"; }
+ };
+
+ int32_t tail;
+ // statistics...
+ nsecs_t mDequeueTime[NUM_BUFFER_MAX];
+};
+
+// ----------------------------------------------------------------------------
+
+class SharedBufferServer : public SharedBufferBase
+{
+public:
+ SharedBufferServer(SharedClient* sharedClient, int surface, int num,
+ int32_t identity);
+
+ ssize_t retireAndLock();
+ status_t unlock(int buffer);
+ void setStatus(status_t status);
+ status_t reallocate();
+ status_t assertReallocate(int buffer);
+ int32_t getQueuedCount() const;
+
+ Region getDirtyRegion(int buffer) const;
+
+ SharedBufferStack::Statistics getStats() const;
+
+
+private:
+ struct UnlockUpdate : public UpdateBase {
+ const int lockedBuffer;
+ inline UnlockUpdate(SharedBufferBase* sbb, int lockedBuffer);
+ inline ssize_t operator()();
+ };
+
+ struct RetireUpdate : public UpdateBase {
+ const int numBuffers;
+ inline RetireUpdate(SharedBufferBase* sbb, int numBuffers);
+ inline ssize_t operator()();
+ };
+
+ struct StatusUpdate : public UpdateBase {
+ const status_t status;
+ inline StatusUpdate(SharedBufferBase* sbb, status_t status);
+ inline ssize_t operator()();
+ };
+
+ struct ReallocateCondition : public ConditionBase {
+ int buf;
+ inline ReallocateCondition(SharedBufferBase* sbb, int buf);
+ inline bool operator()();
+ static inline const char* name() { return "ReallocateCondition"; }
+ };
+};
+
+// ===========================================================================
+
+struct display_cblk_t
+{
+ uint16_t w;
+ uint16_t h;
+ uint8_t format;
+ uint8_t orientation;
+ uint8_t reserved[2];
+ float fps;
+ float density;
+ float xdpi;
+ float ydpi;
+ uint32_t pad[2];
+};
+
+struct surface_flinger_cblk_t // 4KB max
+{
+ uint8_t connected;
+ uint8_t reserved[3];
+ uint32_t pad[7];
+ display_cblk_t displays[NUM_DISPLAY_MAX];
+};
+
+// ---------------------------------------------------------------------------
+
+COMPILE_TIME_ASSERT(sizeof(SharedClient) <= 4096)
+COMPILE_TIME_ASSERT(sizeof(SharedBufferStack) == 128)
+COMPILE_TIME_ASSERT(sizeof(surface_flinger_cblk_t) <= 4096)
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif /* ANDROID_UI_SHARED_BUFFER_STACK_H */
diff --git a/include/private/ui/SharedState.h b/include/private/ui/SharedState.h
deleted file mode 100644
index 546d0ad..0000000
--- a/include/private/ui/SharedState.h
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * Copyright (C) 2007 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_UI_SHARED_STATE_H
-#define ANDROID_UI_SHARED_STATE_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <utils/threads.h>
-
-namespace android {
-
-/*
- * These structures are shared between the composer process and its clients
- */
-
-// ---------------------------------------------------------------------------
-
-struct surface_info_t { // 4 longs, 16 bytes
- enum {
- eBufferDirty = 0x01
- };
- uint16_t w;
- uint16_t h;
- uint16_t stride;
- uint16_t bpr;
- uint16_t reserved;
- uint8_t format;
- uint8_t flags;
- ssize_t bits_offset;
-};
-
-// ---------------------------------------------------------------------------
-
-const uint32_t NUM_LAYERS_MAX = 31;
-
-enum { // layer_cblk_t swapState
- eIndex = 0x00000001,
- eFlipRequested = 0x00000002,
-
- eResizeBuffer0 = 0x00000004,
- eResizeBuffer1 = 0x00000008,
- eResizeRequested = eResizeBuffer0 | eResizeBuffer1,
-
- eBusy = 0x00000010,
- eLocked = 0x00000020,
- eNextFlipPending = 0x00000040,
- eInvalidSurface = 0x00000080
-};
-
-enum { // layer_cblk_t flags
- eLayerNotPosted = 0x00000001,
- eNoCopyBack = 0x00000002,
- eReserved = 0x0000007C,
- eBufferIndexShift = 7,
- eBufferIndex = 1<<eBufferIndexShift,
-};
-
-struct flat_region_t // 40 bytes
-{
- int32_t count;
- int16_t l;
- int16_t t;
- int16_t r;
- int16_t b;
- uint16_t runs[14];
-};
-
-struct layer_cblk_t // (128 bytes)
-{
- volatile int32_t swapState; // 4
- volatile int32_t flags; // 4
- volatile int32_t identity; // 4
- int32_t reserved; // 4
- surface_info_t surface[2]; // 32
- flat_region_t region[2]; // 80
-
- static inline int backBuffer(uint32_t state) {
- return ((state & eIndex) ^ ((state & eFlipRequested)>>1));
- }
- static inline int frontBuffer(uint32_t state) {
- return 1 - backBuffer(state);
- }
-};
-
-// ---------------------------------------------------------------------------
-
-struct per_client_cblk_t // 4KB max
-{
- Mutex lock;
- Condition cv;
- layer_cblk_t layers[NUM_LAYERS_MAX] __attribute__((aligned(32)));
-
- enum {
- BLOCKING = 0x00000001,
- INSPECT = 0x00000002
- };
-
- per_client_cblk_t();
-
- // these functions are used by the clients
- status_t validate(size_t i) const;
- int32_t lock_layer(size_t i, uint32_t flags);
- uint32_t unlock_layer_and_post(size_t i);
- void unlock_layer(size_t i);
-};
-// ---------------------------------------------------------------------------
-
-const uint32_t NUM_DISPLAY_MAX = 4;
-
-struct display_cblk_t
-{
- uint16_t w;
- uint16_t h;
- uint8_t format;
- uint8_t orientation;
- uint8_t reserved[2];
- float fps;
- float density;
- float xdpi;
- float ydpi;
- uint32_t pad[2];
-};
-
-struct surface_flinger_cblk_t // 4KB max
-{
- surface_flinger_cblk_t();
-
- uint8_t connected;
- uint8_t reserved[3];
- uint32_t pad[7];
-
- display_cblk_t displays[NUM_DISPLAY_MAX];
-};
-
-// ---------------------------------------------------------------------------
-
-template<bool> struct CTA;
-template<> struct CTA<true> { };
-
-// compile-time assertions. just to avoid catastrophes.
-inline void compile_time_asserts() {
- CTA<sizeof(layer_cblk_t) == 128> sizeof__layer_cblk_t__eq_128;
- (void)sizeof__layer_cblk_t__eq_128; // we don't want a warning
- CTA<sizeof(per_client_cblk_t) <= 4096> sizeof__per_client_cblk_t__le_4096;
- (void)sizeof__per_client_cblk_t__le_4096; // we don't want a warning
- CTA<sizeof(surface_flinger_cblk_t) <= 4096> sizeof__surface_flinger_cblk_t__le_4096;
- (void)sizeof__surface_flinger_cblk_t__le_4096; // we don't want a warning
-}
-
-}; // namespace android
-
-#endif // ANDROID_UI_SHARED_STATE_H
-
diff --git a/include/private/ui/SurfaceFlingerSynchro.h b/include/private/ui/SurfaceFlingerSynchro.h
deleted file mode 100644
index ff91b61..0000000
--- a/include/private/ui/SurfaceFlingerSynchro.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (C) 2008 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_SURFACE_FLINGER_SYNCHRO_H
-#define ANDROID_SURFACE_FLINGER_SYNCHRO_H
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <utils/Errors.h>
-#include <utils/threads.h>
-#include <ui/ISurfaceComposer.h>
-
-namespace android {
-
-class SurfaceFlinger;
-
-class SurfaceFlingerSynchro
-{
-public:
-
- // client constructor
- SurfaceFlingerSynchro(const sp<ISurfaceComposer>& flinger);
- ~SurfaceFlingerSynchro();
-
- // signal surfaceflinger for some work
- status_t signal();
-
-private:
- class Barrier {
- public:
- Barrier();
- ~Barrier();
- void open();
- void close();
- void waitAndClose();
- status_t waitAndClose(nsecs_t timeout);
- private:
- enum { OPENED, CLOSED };
- mutable Mutex lock;
- mutable Condition cv;
- volatile int state;
- };
-
- friend class SurfaceFlinger;
-
- // server constructor
- SurfaceFlingerSynchro();
-
- void open();
-
- // wait until there is some work to do
- status_t wait();
- status_t wait(nsecs_t timeout);
-
- sp<ISurfaceComposer> mSurfaceComposer;
- Barrier mBarrier;
-};
-
-}; // namespace android
-
-#endif // ANDROID_SURFACE_FLINGER_SYNCHRO_H
-
diff --git a/include/private/ui/android_natives_priv.h b/include/private/ui/android_natives_priv.h
new file mode 100644
index 0000000..6b9f524
--- /dev/null
+++ b/include/private/ui/android_natives_priv.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2009 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 <ui/android_native_buffer.h>
diff --git a/include/private/ui/sw_gralloc_handle.h b/include/private/ui/sw_gralloc_handle.h
new file mode 100644
index 0000000..b3d333e
--- /dev/null
+++ b/include/private/ui/sw_gralloc_handle.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2008 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_UI_PRIVATE_SW_GRALLOC_HANDLE_H
+#define ANDROID_UI_PRIVATE_SW_GRALLOC_HANDLE_H
+
+#include <stdint.h>
+#include <limits.h>
+#include <sys/cdefs.h>
+#include <hardware/gralloc.h>
+#include <errno.h>
+
+#include <cutils/native_handle.h>
+
+namespace android {
+
+/*****************************************************************************/
+
+struct sw_gralloc_handle_t : public native_handle
+{
+ // file-descriptors
+ int fd;
+ // ints
+ int magic;
+ int size;
+ int base;
+ int prot;
+ int pid;
+
+ static const int sNumInts = 5;
+ static const int sNumFds = 1;
+ static const int sMagic = '_sgh';
+
+ sw_gralloc_handle_t() :
+ fd(-1), magic(sMagic), size(0), base(0), prot(0), pid(getpid())
+ {
+ version = sizeof(native_handle);
+ numInts = sNumInts;
+ numFds = sNumFds;
+ }
+ ~sw_gralloc_handle_t() {
+ magic = 0;
+ }
+
+ static int validate(const native_handle* h) {
+ const sw_gralloc_handle_t* hnd = (const sw_gralloc_handle_t*)h;
+ if (!h || h->version != sizeof(native_handle) ||
+ h->numInts != sNumInts || h->numFds != sNumFds ||
+ hnd->magic != sMagic)
+ {
+ return -EINVAL;
+ }
+ return 0;
+ }
+
+ static status_t alloc(uint32_t w, uint32_t h, int format,
+ int usage, buffer_handle_t* handle, int32_t* stride);
+ static status_t free(sw_gralloc_handle_t* hnd);
+ static status_t registerBuffer(sw_gralloc_handle_t* hnd);
+ static status_t unregisterBuffer(sw_gralloc_handle_t* hnd);
+ static status_t lock(sw_gralloc_handle_t* hnd, int usage,
+ int l, int t, int w, int h, void** vaddr);
+ static status_t unlock(sw_gralloc_handle_t* hnd);
+};
+
+/*****************************************************************************/
+
+}; // namespace android
+
+#endif /* ANDROID_UI_PRIVATE_SW_GRALLOC_HANDLE_H */