diff options
Diffstat (limited to 'include/private/ui')
-rw-r--r-- | include/private/ui/RegionHelper.h | 281 | ||||
-rw-r--r-- | include/private/ui/SharedState.h | 36 | ||||
-rw-r--r-- | include/private/ui/SurfaceBuffer.h | 77 | ||||
-rw-r--r-- | include/private/ui/SurfaceFlingerSynchro.h | 28 | ||||
-rw-r--r-- | include/private/ui/android_natives_priv.h | 62 |
5 files changed, 431 insertions, 53 deletions
diff --git a/include/private/ui/RegionHelper.h b/include/private/ui/RegionHelper.h new file mode 100644 index 0000000..926fddb --- /dev/null +++ b/include/private/ui/RegionHelper.h @@ -0,0 +1,281 @@ +/* + * 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) { + 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; + if (inside == SpannerBase::lhs_before_rhs) { + 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; + } else { + // use both spans + } + } + + 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/SharedState.h b/include/private/ui/SharedState.h index 546d0ad..c9f6b5e 100644 --- a/include/private/ui/SharedState.h +++ b/include/private/ui/SharedState.h @@ -20,6 +20,7 @@ #include <stdint.h> #include <sys/types.h> +#include <utils/Debug.h> #include <utils/threads.h> namespace android { @@ -32,16 +33,12 @@ namespace android { struct surface_info_t { // 4 longs, 16 bytes enum { - eBufferDirty = 0x01 + eBufferDirty = 0x01, + eNeedNewBuffer = 0x02 }; - uint16_t w; - uint16_t h; - uint16_t stride; - uint16_t bpr; - uint16_t reserved; - uint8_t format; + uint8_t reserved[11]; uint8_t flags; - ssize_t bits_offset; + status_t status; }; // --------------------------------------------------------------------------- @@ -101,6 +98,8 @@ struct layer_cblk_t // (128 bytes) struct per_client_cblk_t // 4KB max { + per_client_cblk_t() : lock(Mutex::SHARED) { } + Mutex lock; Condition cv; layer_cblk_t layers[NUM_LAYERS_MAX] __attribute__((aligned(32))); @@ -110,8 +109,6 @@ struct per_client_cblk_t // 4KB max 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); @@ -138,30 +135,19 @@ struct display_cblk_t 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 -} +COMPILE_TIME_ASSERT(sizeof(layer_cblk_t) == 128) +COMPILE_TIME_ASSERT(sizeof(per_client_cblk_t) <= 4096) +COMPILE_TIME_ASSERT(sizeof(surface_flinger_cblk_t) <= 4096) +// --------------------------------------------------------------------------- }; // namespace android #endif // ANDROID_UI_SHARED_STATE_H diff --git a/include/private/ui/SurfaceBuffer.h b/include/private/ui/SurfaceBuffer.h new file mode 100644 index 0000000..bf68406 --- /dev/null +++ b/include/private/ui/SurfaceBuffer.h @@ -0,0 +1,77 @@ +/* + * 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_PRIVATE_SURFACE_BUFFER_H +#define ANDROID_UI_PRIVATE_SURFACE_BUFFER_H + +#include <stdint.h> +#include <sys/types.h> + +#include <utils/RefBase.h> + +#include <private/ui/android_natives_priv.h> + +namespace android { + +// --------------------------------------------------------------------------- + +class BufferMapper; +class Parcel; +class Rect; +class Surface; +class SurfaceBuffer; + +// --------------------------------------------------------------------------- + +class SurfaceBuffer + : public EGLNativeBase< + android_native_buffer_t, + SurfaceBuffer, + LightRefBase<SurfaceBuffer> > +{ +public: + status_t lock(uint32_t usage, void** vaddr); + status_t lock(uint32_t usage, const Rect& rect, void** vaddr); + status_t unlock(); + +protected: + SurfaceBuffer(); + SurfaceBuffer(const Parcel& reply); + virtual ~SurfaceBuffer(); + bool mOwner; + + inline const BufferMapper& getBufferMapper() const { return mBufferMapper; } + inline BufferMapper& getBufferMapper() { return mBufferMapper; } + +private: + friend class Surface; + friend class BpSurface; + friend class BnSurface; + friend class LightRefBase<SurfaceBuffer>; + + SurfaceBuffer& operator = (const SurfaceBuffer& rhs); + const SurfaceBuffer& operator = (const SurfaceBuffer& rhs) const; + + static status_t writeToParcel(Parcel* reply, + android_native_buffer_t const* buffer); + + BufferMapper& mBufferMapper; +}; + +}; // namespace android + +#endif // ANDROID_UI_PRIVATE_SURFACE_BUFFER_H + diff --git a/include/private/ui/SurfaceFlingerSynchro.h b/include/private/ui/SurfaceFlingerSynchro.h index ff91b61..7386d33 100644 --- a/include/private/ui/SurfaceFlingerSynchro.h +++ b/include/private/ui/SurfaceFlingerSynchro.h @@ -21,7 +21,6 @@ #include <stdint.h> #include <sys/types.h> #include <utils/Errors.h> -#include <utils/threads.h> #include <ui/ISurfaceComposer.h> namespace android { @@ -31,7 +30,6 @@ class SurfaceFlinger; class SurfaceFlingerSynchro { public: - // client constructor SurfaceFlingerSynchro(const sp<ISurfaceComposer>& flinger); ~SurfaceFlingerSynchro(); @@ -40,34 +38,8 @@ public: 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 diff --git a/include/private/ui/android_natives_priv.h b/include/private/ui/android_natives_priv.h new file mode 100644 index 0000000..ee843e9 --- /dev/null +++ b/include/private/ui/android_natives_priv.h @@ -0,0 +1,62 @@ +/* + * 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_ANDROID_NATIVES_PRIV_H +#define ANDROID_ANDROID_NATIVES_PRIV_H + +#include <ui/egl/android_natives.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/*****************************************************************************/ + +struct android_native_buffer_t +{ +#ifdef __cplusplus + android_native_buffer_t() { + common.magic = ANDROID_NATIVE_BUFFER_MAGIC; + common.version = sizeof(android_native_buffer_t); + memset(common.reserved, 0, sizeof(common.reserved)); + } +#endif + + struct android_native_base_t common; + + int width; + int height; + int stride; + int format; + int usage; + + void* reserved[2]; + + buffer_handle_t handle; + + void* reserved_proc[8]; +}; + + +/*****************************************************************************/ + +#ifdef __cplusplus +} +#endif + +/*****************************************************************************/ + +#endif /* ANDROID_ANDROID_NATIVES_PRIV_H */ |