8478672bdb
The gralloc allocation can happen from processes other than surfaceflinger in which case we cannot open the framebuffer device to get the mdp version. Use the MDSS_TARGET flag to differentiate. Change-Id: I69bc9ff6004b382a2836274a32fbbd3b2e67dea2
380 lines
12 KiB
C++
380 lines
12 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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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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#ifdef MDSS_TARGET
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if (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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#endif
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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 (bufferType == BUFFER_TYPE_VIDEO) {
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if (usage & GRALLOC_USAGE_HW_CAMERA_WRITE) {
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#ifndef MDSS_TARGET
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flags |= private_handle_t::PRIV_FLAGS_ITU_R_601_FR;
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#else
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if (usage & (GRALLOC_USAGE_HW_TEXTURE |
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GRALLOC_USAGE_HW_VIDEO_ENCODER))
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flags |= private_handle_t::PRIV_FLAGS_ITU_R_709;
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else if (usage & GRALLOC_USAGE_HW_CAMERA_ZSL)
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flags |= private_handle_t::PRIV_FLAGS_ITU_R_601_FR;
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#endif
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} else {
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flags |= private_handle_t::PRIV_FLAGS_ITU_R_601;
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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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if (usage & GRALLOC_USAGE_HW_COMPOSER) {
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flags |= private_handle_t::PRIV_FLAGS_HW_COMPOSER;
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}
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if (usage & GRALLOC_USAGE_HW_TEXTURE) {
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flags |= private_handle_t::PRIV_FLAGS_HW_TEXTURE;
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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::gralloc_alloc_framebuffer_locked(size_t size, int usage,
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buffer_handle_t* pHandle)
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{
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private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
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// we don't support framebuffer allocations with graphics heap flags
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if (usage & GRALLOC_HEAP_MASK) {
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return -EINVAL;
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}
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if (m->framebuffer == NULL) {
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ALOGE("%s: Invalid framebuffer", __FUNCTION__);
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return -EINVAL;
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}
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const uint32_t bufferMask = m->bufferMask;
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const uint32_t numBuffers = m->numBuffers;
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size_t bufferSize = m->finfo.line_length * m->info.yres;
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//adreno needs FB size to be page aligned
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bufferSize = roundUpToPageSize(bufferSize);
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if (numBuffers == 1) {
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// If we have only one buffer, we never use page-flipping. Instead,
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// we return a regular buffer which will be memcpy'ed to the main
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// screen when post is called.
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int newUsage = (usage & ~GRALLOC_USAGE_HW_FB) | GRALLOC_USAGE_HW_2D;
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return gralloc_alloc_buffer(bufferSize, newUsage, pHandle, BUFFER_TYPE_UI,
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m->fbFormat, m->info.xres, m->info.yres);
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}
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if (bufferMask >= ((1LU<<numBuffers)-1)) {
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// We ran out of buffers.
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return -ENOMEM;
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}
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// create a "fake" handle for it
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intptr_t vaddr = intptr_t(m->framebuffer->base);
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private_handle_t* hnd = new private_handle_t(
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dup(m->framebuffer->fd), bufferSize,
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private_handle_t::PRIV_FLAGS_USES_PMEM |
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private_handle_t::PRIV_FLAGS_FRAMEBUFFER,
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BUFFER_TYPE_UI, m->fbFormat, m->info.xres,
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m->info.yres);
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// find a free slot
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for (uint32_t i=0 ; i<numBuffers ; i++) {
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if ((bufferMask & (1LU<<i)) == 0) {
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m->bufferMask |= (1LU<<i);
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break;
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}
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vaddr += bufferSize;
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}
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hnd->base = vaddr;
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hnd->offset = vaddr - intptr_t(m->framebuffer->base);
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*pHandle = hnd;
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return 0;
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}
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int gpu_context_t::gralloc_alloc_framebuffer(size_t size, int usage,
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buffer_handle_t* pHandle)
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{
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private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
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pthread_mutex_lock(&m->lock);
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int err = gralloc_alloc_framebuffer_locked(size, usage, pHandle);
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pthread_mutex_unlock(&m->lock);
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return err;
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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_NV12_ENCODEABLE; //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 >= size)? 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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bool useFbMem = false;
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char property[PROPERTY_VALUE_MAX];
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if((usage & GRALLOC_USAGE_HW_FB) &&
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(property_get("debug.gralloc.map_fb_memory", property, NULL) > 0) &&
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(!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
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(!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
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useFbMem = true;
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}
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int err = 0;
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if(useFbMem) {
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err = gralloc_alloc_framebuffer(size, usage, pHandle);
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} else {
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err = gralloc_alloc_buffer(size, usage, pHandle, bufferType,
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grallocFormat, alignedw, alignedh);
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}
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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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if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) {
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const size_t bufferSize = m->finfo.line_length * m->info.yres;
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int index = (hnd->base - m->framebuffer->base) / bufferSize;
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m->bufferMask &= ~(1<<index);
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} else {
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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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}
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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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