shinano-common: bring in libshim_camera from msm8974-common

we need updated sources that break rhine compatibility for working cam

Change-Id: I274c91efc797b0304a2074baf4b908766d321356
Signed-off-by: Nikhil Punathil <nikhilpe@gmail.com>

3 files changed, 614 insertions, 0 deletions

diff --git a/libshims/ui/GraphicBuffer.cpp b/libshims/ui/GraphicBuffer.cpp
new file mode 100644
index 0000000..dad41b4
--- /dev/null
+++ b/libshims/ui/GraphicBuffer.cpp
@@ -0,0 +1,336 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "GraphicBuffer"
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/Log.h>
+
+#include <ui/GraphicBuffer.h>
+#include <ui/GraphicBufferAllocator.h>
+#include <ui/GraphicBufferMapper.h>
+#include <ui/PixelFormat.h>
+
+namespace android {
+
+// ===========================================================================
+// Buffer and implementation of ANativeWindowBuffer
+// ===========================================================================
+
+GraphicBuffer::GraphicBuffer()
+    : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()),
+      mInitCheck(NO_ERROR)
+{
+    width  =
+    height =
+    stride =
+    format =
+    usage  = 0;
+    handle = NULL;
+}
+
+GraphicBuffer::GraphicBuffer(uint32_t inWidth, uint32_t inHeight,
+        PixelFormat inFormat, uint32_t inUsage)
+    : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()),
+      mInitCheck(NO_ERROR)
+{
+    width  =
+    height =
+    stride =
+    format =
+    usage  = 0;
+    handle = NULL;
+    mInitCheck = initSize(inWidth, inHeight, inFormat, inUsage);
+}
+
+GraphicBuffer::GraphicBuffer(uint32_t inWidth, uint32_t inHeight,
+        PixelFormat inFormat, uint32_t inUsage, uint32_t inStride,
+        native_handle_t* inHandle, bool keepOwnership)
+    : BASE(), mOwner(keepOwnership ? ownHandle : ownNone),
+      mBufferMapper(GraphicBufferMapper::get()),
+      mInitCheck(NO_ERROR)
+{
+    width  = static_cast<int>(inWidth);
+    height = static_cast<int>(inHeight);
+    stride = static_cast<int>(inStride);
+    format = inFormat;
+    usage  = static_cast<int>(inUsage);
+    handle = inHandle;
+}
+
+GraphicBuffer::GraphicBuffer(ANativeWindowBuffer* buffer, bool keepOwnership)
+    : BASE(), mOwner(keepOwnership ? ownHandle : ownNone),
+      mBufferMapper(GraphicBufferMapper::get()),
+      mInitCheck(NO_ERROR), mWrappedBuffer(buffer)
+{
+    width  = buffer->width;
+    height = buffer->height;
+    stride = buffer->stride;
+    format = buffer->format;
+    usage  = buffer->usage;
+    handle = buffer->handle;
+}
+
+GraphicBuffer::~GraphicBuffer()
+{
+    if (handle) {
+        free_handle();
+    }
+}
+
+void GraphicBuffer::free_handle()
+{
+    if (mOwner == ownHandle) {
+        mBufferMapper.unregisterBuffer(handle);
+        native_handle_close(handle);
+        native_handle_delete(const_cast<native_handle*>(handle));
+    } else if (mOwner == ownData) {
+        GraphicBufferAllocator& allocator(GraphicBufferAllocator::get());
+        allocator.free(handle);
+    }
+
+    mWrappedBuffer = 0;
+}
+
+status_t GraphicBuffer::initCheck() const {
+    return static_cast<status_t>(mInitCheck);
+}
+
+void GraphicBuffer::dumpAllocationsToSystemLog()
+{
+    GraphicBufferAllocator::dumpToSystemLog();
+}
+
+ANativeWindowBuffer* GraphicBuffer::getNativeBuffer() const
+{
+    LOG_ALWAYS_FATAL_IF(this == NULL, "getNativeBuffer() called on NULL GraphicBuffer");
+    return static_cast<ANativeWindowBuffer*>(
+            const_cast<GraphicBuffer*>(this));
+}
+
+status_t GraphicBuffer::reallocate(uint32_t inWidth, uint32_t inHeight,
+        PixelFormat inFormat, uint32_t inUsage)
+{
+    if (mOwner != ownData)
+        return INVALID_OPERATION;
+
+    if (handle &&
+            static_cast<int>(inWidth) == width &&
+            static_cast<int>(inHeight) == height &&
+            inFormat == format &&
+            static_cast<int>(inUsage) == usage)
+        return NO_ERROR;
+
+    if (handle) {
+        GraphicBufferAllocator& allocator(GraphicBufferAllocator::get());
+        allocator.free(handle);
+        handle = 0;
+    }
+    return initSize(inWidth, inHeight, inFormat, inUsage);
+}
+
+status_t GraphicBuffer::initSize(uint32_t inWidth, uint32_t inHeight,
+        PixelFormat inFormat, uint32_t inUsage)
+{
+    GraphicBufferAllocator& allocator = GraphicBufferAllocator::get();
+    int outStride = 0;
+    status_t err = allocator.alloc(inWidth, inHeight, inFormat, inUsage,
+            &handle, &outStride);
+    if (err == NO_ERROR) {
+        width = static_cast<int>(inWidth);
+        height = static_cast<int>(inHeight);
+        format = inFormat;
+        usage = static_cast<int>(inUsage);
+        stride = static_cast<int>(outStride);
+    }
+    return err;
+}
+
+status_t GraphicBuffer::lock(uint32_t inUsage, void** vaddr)
+{
+    const Rect lockBounds(width, height);
+    status_t res = lock(inUsage, lockBounds, vaddr);
+    return res;
+}
+
+status_t GraphicBuffer::lock(uint32_t inUsage, const Rect& rect, void** vaddr)
+{
+    if (rect.left < 0 || rect.right  > width ||
+        rect.top  < 0 || rect.bottom > height) {
+        ALOGE("locking pixels (%d,%d,%d,%d) outside of buffer (w=%d, h=%d)",
+                rect.left, rect.top, rect.right, rect.bottom,
+                width, height);
+        return BAD_VALUE;
+    }
+    status_t res = getBufferMapper().lock(handle, inUsage, rect, vaddr);
+    return res;
+}
+
+status_t GraphicBuffer::lockYCbCr(uint32_t inUsage, android_ycbcr* ycbcr)
+{
+    const Rect lockBounds(width, height);
+    status_t res = lockYCbCr(inUsage, lockBounds, ycbcr);
+    return res;
+}
+
+status_t GraphicBuffer::lockYCbCr(uint32_t inUsage, const Rect& rect,
+        android_ycbcr* ycbcr)
+{
+    if (rect.left < 0 || rect.right  > width ||
+        rect.top  < 0 || rect.bottom > height) {
+        ALOGE("locking pixels (%d,%d,%d,%d) outside of buffer (w=%d, h=%d)",
+                rect.left, rect.top, rect.right, rect.bottom,
+                width, height);
+        return BAD_VALUE;
+    }
+    status_t res = getBufferMapper().lockYCbCr(handle, inUsage, rect, ycbcr);
+    return res;
+}
+
+status_t GraphicBuffer::unlock()
+{
+    status_t res = getBufferMapper().unlock(handle);
+    return res;
+}
+
+size_t GraphicBuffer::getFlattenedSize() const {
+    return static_cast<size_t>(8 + (handle ? handle->numInts : 0)) * sizeof(int);
+}
+
+size_t GraphicBuffer::getFdCount() const {
+    return static_cast<size_t>(handle ? handle->numFds : 0);
+}
+
+status_t GraphicBuffer::flatten(void*& buffer, size_t& size, int*& fds, size_t& count) const {
+    size_t sizeNeeded = GraphicBuffer::getFlattenedSize();
+    if (size < sizeNeeded) return NO_MEMORY;
+
+    size_t fdCountNeeded = GraphicBuffer::getFdCount();
+    if (count < fdCountNeeded) return NO_MEMORY;
+
+    int* buf = static_cast<int*>(buffer);
+    buf[0] = 'GBFR';
+    buf[1] = width;
+    buf[2] = height;
+    buf[3] = stride;
+    buf[4] = format;
+    buf[5] = usage;
+    buf[6] = 0;
+    buf[7] = 0;
+
+    if (handle) {
+        buf[6] = handle->numFds;
+        buf[7] = handle->numInts;
+        memcpy(fds, handle->data,
+                static_cast<size_t>(handle->numFds) * sizeof(int));
+        memcpy(&buf[8], handle->data + handle->numFds,
+                static_cast<size_t>(handle->numInts) * sizeof(int));
+    }
+
+    buffer = static_cast<void*>(static_cast<int*>(buffer) + sizeNeeded);
+    size -= sizeNeeded;
+    if (handle) {
+        fds += handle->numFds;
+        count -= static_cast<size_t>(handle->numFds);
+    }
+
+    return NO_ERROR;
+}
+
+status_t GraphicBuffer::unflatten(
+        void const*& buffer, size_t& size, int const*& fds, size_t& count) {
+    if (size < 8 * sizeof(int)) return NO_MEMORY;
+
+    int const* buf = static_cast<int const*>(buffer);
+    if (buf[0] != 'GBFR') return BAD_TYPE;
+
+    const size_t numFds  = static_cast<size_t>(buf[6]);
+    const size_t numInts = static_cast<size_t>(buf[7]);
+
+    // Limit the maxNumber to be relatively small. The number of fds or ints
+    // should not come close to this number, and the number itself was simply
+    // chosen to be high enough to not cause issues and low enough to prevent
+    // overflow problems.
+    const size_t maxNumber = 4096;
+    if (numFds >= maxNumber || numInts >= (maxNumber - 10)) {
+        width = height = stride = format = usage = 0;
+        handle = NULL;
+        ALOGE("unflatten: numFds or numInts is too large: %zd, %zd",
+                numFds, numInts);
+        return BAD_VALUE;
+    }
+
+    const size_t sizeNeeded = (8 + numInts) * sizeof(int);
+    if (size < sizeNeeded) return NO_MEMORY;
+
+    size_t fdCountNeeded = numFds;
+    if (count < fdCountNeeded) return NO_MEMORY;
+
+    if (handle) {
+        // free previous handle if any
+        free_handle();
+    }
+
+    if (numFds || numInts) {
+        width  = buf[1];
+        height = buf[2];
+        stride = buf[3];
+        format = buf[4];
+        usage  = buf[5];
+        native_handle* h = native_handle_create(
+                static_cast<int>(numFds), static_cast<int>(numInts));
+        if (!h) {
+            width = height = stride = format = usage = 0;
+            handle = NULL;
+            ALOGE("unflatten: native_handle_create failed");
+            return NO_MEMORY;
+        }
+        memcpy(h->data, fds, numFds * sizeof(int));
+        memcpy(h->data + numFds, &buf[8], numInts * sizeof(int));
+        handle = h;
+    } else {
+        width = height = stride = format = usage = 0;
+        handle = NULL;
+    }
+
+    mOwner = ownHandle;
+
+    if (handle != 0) {
+        status_t err = mBufferMapper.registerBuffer(handle);
+        if (err != NO_ERROR) {
+            width = height = stride = format = usage = 0;
+            handle = NULL;
+            ALOGE("unflatten: registerBuffer failed: %s (%d)",
+                    strerror(-err), err);
+            return err;
+        }
+    }
+
+    buffer = static_cast<void const*>(static_cast<int const*>(buffer) + sizeNeeded);
+    size -= sizeNeeded;
+    fds += numFds;
+    count -= numFds;
+
+    return NO_ERROR;
+}
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
diff --git a/libshims/ui/GraphicBufferAllocator.cpp b/libshims/ui/GraphicBufferAllocator.cpp
new file mode 100644
index 0000000..4f93fb6
--- /dev/null
+++ b/libshims/ui/GraphicBufferAllocator.cpp
@@ -0,0 +1,159 @@
+/*
+**
+** Copyright 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.
+*/
+
+#define LOG_TAG "GraphicBufferAllocator"
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+
+#include <cutils/log.h>
+
+#include <utils/Singleton.h>
+#include <utils/String8.h>
+#include <utils/Trace.h>
+
+#include <ui/GraphicBufferAllocator.h>
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+ANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferAllocator )
+
+Mutex GraphicBufferAllocator::sLock;
+KeyedVector<buffer_handle_t,
+    GraphicBufferAllocator::alloc_rec_t> GraphicBufferAllocator::sAllocList;
+
+GraphicBufferAllocator::GraphicBufferAllocator()
+    : mAllocDev(0)
+{
+    hw_module_t const* module;
+    int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
+    ALOGE_IF(err, "FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID);
+    if (err == 0) {
+        gralloc_open(module, &mAllocDev);
+    }
+}
+
+GraphicBufferAllocator::~GraphicBufferAllocator()
+{
+    gralloc_close(mAllocDev);
+}
+
+void GraphicBufferAllocator::dump(String8& result) const
+{
+    Mutex::Autolock _l(sLock);
+    KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
+    size_t total = 0;
+    const size_t SIZE = 4096;
+    char buffer[SIZE];
+    snprintf(buffer, SIZE, "Allocated buffers:\n");
+    result.append(buffer);
+    const size_t c = list.size();
+    for (size_t i=0 ; i<c ; i++) {
+        const alloc_rec_t& rec(list.valueAt(i));
+        if (rec.size) {
+            snprintf(buffer, SIZE, "%10p: %7.2f KiB | %4u (%4u) x %4u | %8X | 0x%08x\n",
+                    list.keyAt(i), rec.size/1024.0f,
+                    rec.width, rec.stride, rec.height, rec.format, rec.usage);
+        } else {
+            snprintf(buffer, SIZE, "%10p: unknown     | %4u (%4u) x %4u | %8X | 0x%08x\n",
+                    list.keyAt(i),
+                    rec.width, rec.stride, rec.height, rec.format, rec.usage);
+        }
+        result.append(buffer);
+        total += rec.size;
+    }
+    snprintf(buffer, SIZE, "Total allocated (estimate): %.2f KB\n", total/1024.0f);
+    result.append(buffer);
+    if (mAllocDev->common.version >= 1 && mAllocDev->dump) {
+        mAllocDev->dump(mAllocDev, buffer, SIZE);
+        result.append(buffer);
+    }
+}
+
+void GraphicBufferAllocator::dumpToSystemLog()
+{
+    String8 s;
+    GraphicBufferAllocator::getInstance().dump(s);
+    ALOGD("%s", s.string());
+}
+
+status_t GraphicBufferAllocator::alloc(uint32_t width, uint32_t height,
+        PixelFormat format, int usage, buffer_handle_t* handle,
+        int32_t* stride)
+{
+    ATRACE_CALL();
+
+    // make sure to not allocate a N x 0 or 0 x N buffer, since this is
+    // allowed from an API stand-point allocate a 1x1 buffer instead.
+    if (!width || !height)
+        width = height = 1;
+
+    // we have a h/w allocator and h/w buffer is requested
+    status_t err;
+
+    // Filter out any usage bits that should not be passed to the gralloc module
+    usage &= GRALLOC_USAGE_ALLOC_MASK;
+
+    int outStride = 0;
+    err = mAllocDev->alloc(mAllocDev, static_cast<int>(width),
+            static_cast<int>(height), format, static_cast<int>(usage), handle,
+            &outStride);
+    *stride = static_cast<uint32_t>(outStride);
+
+    ALOGW_IF(err, "alloc(%u, %u, %d, %08x, ...) failed %d (%s)",
+            width, height, format, usage, err, strerror(-err));
+
+    if (err == NO_ERROR) {
+        Mutex::Autolock _l(sLock);
+        KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
+        int bpp = bytesPerPixel(format);
+        if (bpp < 0) {
+            // probably a HAL custom format. in any case, we don't know
+            // what its pixel size is.
+            bpp = 0;
+        }
+        alloc_rec_t rec;
+        rec.width = width;
+        rec.height = height;
+        rec.stride = *stride;
+        rec.format = format;
+        rec.usage = usage;
+        rec.size = static_cast<size_t>(height * (*stride) * bpp);
+        list.add(*handle, rec);
+    }
+
+    return err;
+}
+
+status_t GraphicBufferAllocator::free(buffer_handle_t handle)
+{
+    ATRACE_CALL();
+    status_t err;
+
+    err = mAllocDev->free(mAllocDev, handle);
+
+    ALOGW_IF(err, "free(...) failed %d (%s)", err, strerror(-err));
+    if (err == NO_ERROR) {
+        Mutex::Autolock _l(sLock);
+        KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
+        list.removeItem(handle);
+    }
+
+    return err;
+}
+
+// ---------------------------------------------------------------------------
+}; // namespace android
diff --git a/libshims/ui/GraphicBufferMapper.cpp b/libshims/ui/GraphicBufferMapper.cpp
new file mode 100644
index 0000000..18be8ae
--- /dev/null
+++ b/libshims/ui/GraphicBufferMapper.cpp
@@ -0,0 +1,119 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "GraphicBufferMapper"
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+
+#include <stdint.h>
+#include <errno.h>
+
+#include <sync/sync.h>
+
+#include <utils/Errors.h>
+#include <utils/Log.h>
+#include <utils/Trace.h>
+
+#include <ui/GraphicBufferMapper.h>
+#include <ui/Rect.h>
+
+#include <hardware/gralloc.h>
+
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+ANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferMapper )
+
+GraphicBufferMapper::GraphicBufferMapper()
+    : mAllocMod(0)
+{
+    hw_module_t const* module;
+    int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
+    ALOGE_IF(err, "FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID);
+    if (err == 0) {
+        mAllocMod = reinterpret_cast<gralloc_module_t const *>(module);
+    }
+}
+
+status_t GraphicBufferMapper::registerBuffer(buffer_handle_t handle)
+{
+    ATRACE_CALL();
+    status_t err;
+
+    err = mAllocMod->registerBuffer(mAllocMod, handle);
+
+    ALOGW_IF(err, "registerBuffer(%p) failed %d (%s)",
+            handle, err, strerror(-err));
+    return err;
+}
+
+status_t GraphicBufferMapper::unregisterBuffer(buffer_handle_t handle)
+{
+    ATRACE_CALL();
+    status_t err;
+
+    err = mAllocMod->unregisterBuffer(mAllocMod, handle);
+
+    ALOGW_IF(err, "unregisterBuffer(%p) failed %d (%s)",
+            handle, err, strerror(-err));
+    return err;
+}
+
+status_t GraphicBufferMapper::lock(buffer_handle_t handle,
+        int usage, const Rect& bounds, void** vaddr)
+{
+    ATRACE_CALL();
+    status_t err;
+
+    err = mAllocMod->lock(mAllocMod, handle, static_cast<int>(usage),
+            bounds.left, bounds.top, bounds.width(), bounds.height(),
+            vaddr);
+
+    ALOGW_IF(err, "lock(...) failed %d (%s)", err, strerror(-err));
+    return err;
+}
+
+status_t GraphicBufferMapper::lockYCbCr(buffer_handle_t handle,
+        int usage, const Rect& bounds, android_ycbcr *ycbcr)
+{
+    ATRACE_CALL();
+    status_t err;
+
+    if (mAllocMod->lock_ycbcr == NULL) {
+        return -EINVAL; // do not log failure
+    }
+
+    err = mAllocMod->lock_ycbcr(mAllocMod, handle, static_cast<int>(usage),
+            bounds.left, bounds.top, bounds.width(), bounds.height(),
+            ycbcr);
+
+    ALOGW_IF(err, "lock(...) failed %d (%s)", err, strerror(-err));
+    return err;
+}
+
+status_t GraphicBufferMapper::unlock(buffer_handle_t handle)
+{
+    ATRACE_CALL();
+    status_t err;
+
+    err = mAllocMod->unlock(mAllocMod, handle);
+
+    ALOGW_IF(err, "unlock(...) failed %d (%s)", err, strerror(-err));
+    return err;
+}
+
+// ---------------------------------------------------------------------------
+}; // namespace android