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Diffstat (limited to 'include/private/ui/SharedState.h')
| -rw-r--r-- | include/private/ui/SharedState.h | 168 |
1 files changed, 0 insertions, 168 deletions
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 - |