c1f8682f7b
This patch removes the usage of the framebuffer HAL which is deprecated in JB MR1 onwards. The code is left for compatibility such as conformance tests but it is unused for normal display usage. Change-Id: If98133bdaa759cdc41d4503ff695b225ee43cb6f Conflicts: libhwcomposer/hwc_utils.cpp
266 lines
8.6 KiB
C++
266 lines
8.6 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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* Copyright (c) 2011-2013 The Linux Foundation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <limits.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <cutils/properties.h>
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#include <sys/mman.h>
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#include "gr.h"
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#include "gpu.h"
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#include "memalloc.h"
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#include "alloc_controller.h"
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#include <qdMetaData.h>
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#include "mdp_version.h"
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using namespace gralloc;
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#define SZ_1M 0x100000
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gpu_context_t::gpu_context_t(const private_module_t* module,
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IAllocController* alloc_ctrl ) :
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mAllocCtrl(alloc_ctrl)
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{
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// Zero out the alloc_device_t
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memset(static_cast<alloc_device_t*>(this), 0, sizeof(alloc_device_t));
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// Initialize the procs
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common.tag = HARDWARE_DEVICE_TAG;
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common.version = 0;
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common.module = const_cast<hw_module_t*>(&module->base.common);
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common.close = gralloc_close;
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alloc = gralloc_alloc;
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#ifdef QCOM_BSP
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allocSize = gralloc_alloc_size;
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#endif
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free = gralloc_free;
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}
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int gpu_context_t::gralloc_alloc_buffer(size_t size, int usage,
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buffer_handle_t* pHandle, int bufferType,
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int format, int width, int height)
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{
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int err = 0;
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int flags = 0;
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size = roundUpToPageSize(size);
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alloc_data data;
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data.offset = 0;
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data.fd = -1;
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data.base = 0;
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if(format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED)
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data.align = 8192;
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else
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data.align = getpagesize();
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/* force 1MB alignment selectively for secure buffers, MDP5 onwards */
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if ((qdutils::MDPVersion::getInstance().getMDPVersion() >= \
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qdutils::MDSS_V5) && (usage & GRALLOC_USAGE_PROTECTED)) {
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data.align = ALIGN(data.align, SZ_1M);
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size = ALIGN(size, data.align);
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}
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data.size = size;
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data.pHandle = (unsigned int) pHandle;
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err = mAllocCtrl->allocate(data, usage);
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if (!err) {
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/* allocate memory for enhancement data */
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alloc_data eData;
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eData.fd = -1;
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eData.base = 0;
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eData.offset = 0;
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eData.size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
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eData.pHandle = data.pHandle;
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eData.align = getpagesize();
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int eDataUsage = GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP;
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int eDataErr = mAllocCtrl->allocate(eData, eDataUsage);
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ALOGE_IF(eDataErr, "gralloc failed for eDataErr=%s",
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strerror(-eDataErr));
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if (usage & GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY) {
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flags |= private_handle_t::PRIV_FLAGS_EXTERNAL_ONLY;
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//The EXTERNAL_BLOCK flag is always an add-on
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if (usage & GRALLOC_USAGE_PRIVATE_EXTERNAL_BLOCK) {
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flags |= private_handle_t::PRIV_FLAGS_EXTERNAL_BLOCK;
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}
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if (usage & GRALLOC_USAGE_PRIVATE_EXTERNAL_CC) {
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flags |= private_handle_t::PRIV_FLAGS_EXTERNAL_CC;
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}
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}
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if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER ) {
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flags |= private_handle_t::PRIV_FLAGS_VIDEO_ENCODER;
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}
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if (usage & GRALLOC_USAGE_HW_CAMERA_WRITE) {
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flags |= private_handle_t::PRIV_FLAGS_CAMERA_WRITE;
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}
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if (usage & GRALLOC_USAGE_HW_CAMERA_READ) {
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flags |= private_handle_t::PRIV_FLAGS_CAMERA_READ;
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}
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flags |= data.allocType;
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int eBaseAddr = int(eData.base) + eData.offset;
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private_handle_t *hnd = new private_handle_t(data.fd, size, flags,
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bufferType, format, width, height, eData.fd, eData.offset,
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eBaseAddr);
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hnd->offset = data.offset;
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hnd->base = int(data.base) + data.offset;
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hnd->gpuaddr = 0;
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*pHandle = hnd;
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}
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ALOGE_IF(err, "gralloc failed err=%s", strerror(-err));
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return err;
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}
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void gpu_context_t::getGrallocInformationFromFormat(int inputFormat,
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int *bufferType)
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{
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*bufferType = BUFFER_TYPE_VIDEO;
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if (inputFormat < 0x7) {
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// RGB formats
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*bufferType = BUFFER_TYPE_UI;
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} else if ((inputFormat == HAL_PIXEL_FORMAT_R_8) ||
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(inputFormat == HAL_PIXEL_FORMAT_RG_88)) {
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*bufferType = BUFFER_TYPE_UI;
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}
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}
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int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
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buffer_handle_t* pHandle, int* pStride,
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size_t bufferSize) {
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if (!pHandle || !pStride)
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return -EINVAL;
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size_t size;
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int alignedw, alignedh;
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int grallocFormat = format;
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int bufferType;
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//If input format is HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED then based on
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//the usage bits, gralloc assigns a format.
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if(format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
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if(usage & GRALLOC_USAGE_HW_VIDEO_ENCODER)
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grallocFormat = HAL_PIXEL_FORMAT_YCbCr_420_SP; //NV12
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else if(usage & GRALLOC_USAGE_HW_CAMERA_READ)
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grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21
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else if(usage & GRALLOC_USAGE_HW_CAMERA_WRITE)
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grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21
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}
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getGrallocInformationFromFormat(grallocFormat, &bufferType);
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size = getBufferSizeAndDimensions(w, h, grallocFormat, alignedw, alignedh);
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if ((ssize_t)size <= 0)
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return -EINVAL;
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size = (bufferSize != 0)? bufferSize : size;
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// All buffers marked as protected or for external
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// display need to go to overlay
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if ((usage & GRALLOC_USAGE_EXTERNAL_DISP) ||
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(usage & GRALLOC_USAGE_PROTECTED)) {
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bufferType = BUFFER_TYPE_VIDEO;
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}
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int err = gralloc_alloc_buffer(size, usage, pHandle, bufferType,
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grallocFormat, alignedw, alignedh);
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if (err < 0) {
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return err;
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}
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*pStride = alignedw;
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return 0;
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}
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int gpu_context_t::free_impl(private_handle_t const* hnd) {
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private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
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terminateBuffer(&m->base, const_cast<private_handle_t*>(hnd));
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IMemAlloc* memalloc = mAllocCtrl->getAllocator(hnd->flags);
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int err = memalloc->free_buffer((void*)hnd->base, (size_t) hnd->size,
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hnd->offset, hnd->fd);
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if(err)
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return err;
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// free the metadata space
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unsigned long size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
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err = memalloc->free_buffer((void*)hnd->base_metadata,
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(size_t) size, hnd->offset_metadata,
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hnd->fd_metadata);
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if (err)
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return err;
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delete hnd;
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return 0;
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}
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int gpu_context_t::gralloc_alloc(alloc_device_t* dev, int w, int h, int format,
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int usage, buffer_handle_t* pHandle,
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int* pStride)
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{
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if (!dev) {
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return -EINVAL;
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}
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gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
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return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, 0);
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}
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int gpu_context_t::gralloc_alloc_size(alloc_device_t* dev, int w, int h,
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int format, int usage,
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buffer_handle_t* pHandle, int* pStride,
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int bufferSize)
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{
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if (!dev) {
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return -EINVAL;
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}
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gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
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return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, bufferSize);
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}
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int gpu_context_t::gralloc_free(alloc_device_t* dev,
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buffer_handle_t handle)
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{
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if (private_handle_t::validate(handle) < 0)
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return -EINVAL;
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private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle);
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gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
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return gpu->free_impl(hnd);
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}
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/*****************************************************************************/
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int gpu_context_t::gralloc_close(struct hw_device_t *dev)
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{
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gpu_context_t* ctx = reinterpret_cast<gpu_context_t*>(dev);
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if (ctx) {
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/* TODO: keep a list of all buffer_handle_t created, and free them
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* all here.
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*/
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delete ctx;
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}
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return 0;
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}
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