8d7ff87f5c
Add support for updating the qcom specific layer flags. Add support for getting the per frame HWC flags based on the layer flags. Change-Id: I5f7759a6a7fae6d4f70dd26f380a9b08e48e9475
294 lines
8.8 KiB
C++
294 lines
8.8 KiB
C++
/*
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* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Code Aurora Forum, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <cutils/log.h>
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#include <qcom_ui.h>
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#include <gralloc_priv.h>
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#include <alloc_controller.h>
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#include <memalloc.h>
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#include <errno.h>
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using gralloc::IMemAlloc;
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using gralloc::IonController;
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using gralloc::alloc_data;
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using android::sp;
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namespace {
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static android::sp<gralloc::IAllocController> sAlloc = 0;
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int reallocate_memory(native_handle_t *buffer_handle, int mReqSize, int usage)
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{
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int ret = 0;
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if (sAlloc == 0) {
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sAlloc = gralloc::IAllocController::getInstance(true);
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}
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if (sAlloc == 0) {
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LOGE("sAlloc is still NULL");
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return -EINVAL;
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}
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// Dealloc the old memory
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private_handle_t *hnd = (private_handle_t *)buffer_handle;
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sp<IMemAlloc> memalloc = sAlloc->getAllocator(hnd->flags);
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ret = memalloc->free_buffer((void*)hnd->base, hnd->size, hnd->offset, hnd->fd);
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if (ret) {
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LOGE("%s: free_buffer failed", __FUNCTION__);
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return -1;
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}
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// Realloc new memory
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alloc_data data;
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data.base = 0;
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data.fd = -1;
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data.offset = 0;
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data.size = mReqSize;
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data.align = getpagesize();
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data.uncached = true;
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int allocFlags = usage;
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switch (hnd->format) {
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case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
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case (HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED^HAL_PIXEL_FORMAT_INTERLACE): {
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data.align = 8192;
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} break;
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default: break;
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}
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ret = sAlloc->allocate(data, allocFlags, 0);
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if (ret == 0) {
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hnd->fd = data.fd;
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hnd->base = (int)data.base;
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hnd->offset = data.offset;
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hnd->size = data.size;
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} else {
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LOGE("%s: allocate failed", __FUNCTION__);
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return -EINVAL;
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}
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return ret;
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}
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}; // ANONYNMOUS NAMESPACE
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/*
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* Gets the number of arguments required for this operation.
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*
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* @param: operation whose argument count is required.
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*
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* @return -EINVAL if the operation is invalid.
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*/
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int getNumberOfArgsForOperation(int operation) {
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int num_args = -EINVAL;
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switch(operation) {
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case NATIVE_WINDOW_SET_BUFFERS_SIZE:
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num_args = 1;
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break;
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case NATIVE_WINDOW_UPDATE_BUFFERS_GEOMETRY:
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num_args = 3;
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break;
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default: LOGE("%s: invalid operation(0x%x)", __FUNCTION__, operation);
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break;
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};
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return num_args;
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}
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/*
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* Checks if the format is supported by the GPU.
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*
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* @param: format to check
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*
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* @return true if the format is supported by the GPU.
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*/
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bool isGPUSupportedFormat(int format) {
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bool isSupportedFormat = true;
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switch(format) {
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case (HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED^HAL_PIXEL_FORMAT_INTERLACE):
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case (HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED|HAL_3D_OUT_SIDE_BY_SIDE
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|HAL_3D_IN_SIDE_BY_SIDE_R_L):
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case (HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED|HAL_3D_OUT_SIDE_BY_SIDE
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|HAL_3D_IN_SIDE_BY_SIDE_L_R):
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isSupportedFormat = false;
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break;
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default: break;
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}
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return isSupportedFormat;
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}
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/*
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* Function to check if the allocated buffer is of the correct size.
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* Reallocate the buffer with the correct size, if the size doesn't
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* match
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*
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* @param: handle of the allocated buffer
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* @param: requested size for the buffer
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* @param: usage flags
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*
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* return 0 on success
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*/
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int checkBuffer(native_handle_t *buffer_handle, int size, int usage)
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{
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// If the client hasn't set a size, return
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if (0 == size) {
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return 0;
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}
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// Validate the handle
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if (private_handle_t::validate(buffer_handle)) {
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LOGE("%s: handle is invalid", __FUNCTION__);
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return -EINVAL;
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}
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// Obtain the private_handle from the native handle
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private_handle_t *hnd = reinterpret_cast<private_handle_t*>(buffer_handle);
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if (hnd->size < size) {
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return reallocate_memory(hnd, size, usage);
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}
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return 0;
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}
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/*
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* Checks if memory needs to be reallocated for this buffer.
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*
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* @param: Geometry of the current buffer.
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* @param: Required Geometry.
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* @param: Geometry of the updated buffer.
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*
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* @return True if a memory reallocation is required.
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*/
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bool needNewBuffer(const qBufGeometry currentGeometry,
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const qBufGeometry requiredGeometry,
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const qBufGeometry updatedGeometry)
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{
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// If the current buffer info matches the updated info,
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// we do not require any memory allocation.
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if (updatedGeometry.width && updatedGeometry.height &&
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updatedGeometry.format) {
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return false;
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}
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if (currentGeometry.width != requiredGeometry.width ||
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currentGeometry.height != requiredGeometry.height ||
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currentGeometry.format != requiredGeometry.format) {
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// Current and required geometry do not match. Allocation
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// required.
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return true;
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}
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return false;
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}
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/*
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* Update the geometry of this buffer without reallocation.
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*
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* @param: buffer whose geometry needs to be updated.
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* @param: Updated width
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* @param: Updated height
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* @param: Updated format
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*/
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int updateBufferGeometry(sp<GraphicBuffer> buffer, const qBufGeometry updatedGeometry)
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{
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if (buffer == 0) {
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LOGE("%s: graphic buffer is NULL", __FUNCTION__);
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return -EINVAL;
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}
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if (!updatedGeometry.width || !updatedGeometry.height ||
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!updatedGeometry.format) {
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// No update required. Return.
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return 0;
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}
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if (buffer->width == updatedGeometry.width &&
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buffer->height == updatedGeometry.height &&
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buffer->format == updatedGeometry.format) {
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// The buffer has already been updated. Return.
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return 0;
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}
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// Validate the handle
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if (private_handle_t::validate(buffer->handle)) {
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LOGE("%s: handle is invalid", __FUNCTION__);
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return -EINVAL;
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}
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buffer->width = updatedGeometry.width;
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buffer->height = updatedGeometry.height;
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buffer->format = updatedGeometry.format;
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private_handle_t *hnd = (private_handle_t*)(buffer->handle);
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if (hnd) {
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hnd->width = updatedGeometry.width;
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hnd->height = updatedGeometry.height;
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hnd->format = updatedGeometry.format;
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} else {
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LOGE("%s: hnd is NULL", __FUNCTION__);
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return -EINVAL;
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}
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return 0;
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}
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/*
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* Updates the flags for the layer
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*
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* @param: Attribute
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* @param: Identifies if the attribute was enabled or disabled.
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*
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* @return: -EINVAL if the attribute is invalid
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*/
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int updateLayerQcomFlags(eLayerAttrib attribute, bool enable, int& currentFlags)
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{
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int ret = 0;
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switch (attribute) {
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case LAYER_UPDATE_STATUS: {
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if (enable)
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currentFlags |= LAYER_UPDATING;
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else
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currentFlags &= ~LAYER_UPDATING;
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} break;
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default: LOGE("%s: invalid attribute(0x%x)", __FUNCTION__, attribute);
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break;
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}
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return ret;
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}
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/*
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* Gets the per frame HWC flags for this layer.
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*
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* @param: current hwcl flags
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* @param: current layerFlags
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*
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* @return: the per frame flags.
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*/
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int getPerFrameFlags(int hwclFlags, int layerFlags) {
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int flags = hwclFlags;
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if (layerFlags & LAYER_UPDATING)
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flags &= ~HWC_LAYER_NOT_UPDATING;
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else
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flags |= HWC_LAYER_NOT_UPDATING;
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return flags;
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}
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