/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (c) 2011-2014 The Linux Foundation. All rights reserved.
*
* 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.
*/
#include <atomic>
#include <limits.h>
#include <unistd.h>
#include <fcntl.h>
#include <cutils/properties.h>
#include <sys/mman.h>
#include "gr.h"
#include "gpu.h"
#include "memalloc.h"
#include "alloc_controller.h"
#include <qdMetaData.h>
#include <linux/msm_ion.h>
using namespace gralloc;
static uint64_t next_backing_store_id()
{
static std::atomic<uint64_t> next_id(1);
return next_id++;
}
gpu_context_t::gpu_context_t(const private_module_t* module,
IAllocController* alloc_ctrl ) :
mAllocCtrl(alloc_ctrl)
{
// Zero out the alloc_device_t
memset(static_cast<alloc_device_t*>(this), 0, sizeof(alloc_device_t));
// Initialize the procs
common.tag = HARDWARE_DEVICE_TAG;
common.version = 0;
common.module = const_cast<hw_module_t*>(&module->base.common);
common.close = gralloc_close;
alloc = gralloc_alloc;
free = gralloc_free;
}
int gpu_context_t::gralloc_alloc_buffer(unsigned int size, int usage,
buffer_handle_t* pHandle, int bufferType,
int format, int width, int height)
{
int err = 0;
int flags = 0;
size = roundUpToPageSize(size);
alloc_data data;
data.offset = 0;
data.fd = -1;
data.base = 0;
if(format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED)
data.align = 8192;
else
data.align = getpagesize();
if (usage & GRALLOC_USAGE_PROTECTED) {
if (usage & GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY) {
/* The alignment here reflects qsee mmu V7L/V8L requirement */
data.align = SZ_2M;
} else {
data.align = SECURE_ALIGN;
}
size = ALIGN(size, data.align);
}
data.size = size;
data.pHandle = (uintptr_t) pHandle;
err = mAllocCtrl->allocate(data, usage);
if (!err) {
/* allocate memory for enhancement data */
alloc_data eData;
eData.fd = -1;
eData.base = 0;
eData.offset = 0;
eData.size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
eData.pHandle = data.pHandle;
eData.align = getpagesize();
int eDataUsage = 0;
int eDataErr = mAllocCtrl->allocate(eData, eDataUsage);
ALOGE_IF(eDataErr, "gralloc failed for eDataErr=%s",
strerror(-eDataErr));
if (usage & GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY) {
flags |= private_handle_t::PRIV_FLAGS_EXTERNAL_ONLY;
}
if (usage & GRALLOC_USAGE_PRIVATE_INTERNAL_ONLY) {
flags |= private_handle_t::PRIV_FLAGS_INTERNAL_ONLY;
}
if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER ) {
flags |= private_handle_t::PRIV_FLAGS_VIDEO_ENCODER;
}
if (usage & GRALLOC_USAGE_HW_CAMERA_WRITE) {
flags |= private_handle_t::PRIV_FLAGS_CAMERA_WRITE;
}
if (usage & GRALLOC_USAGE_HW_CAMERA_READ) {
flags |= private_handle_t::PRIV_FLAGS_CAMERA_READ;
}
if (usage & GRALLOC_USAGE_HW_COMPOSER) {
flags |= private_handle_t::PRIV_FLAGS_HW_COMPOSER;
}
if (usage & GRALLOC_USAGE_HW_TEXTURE) {
flags |= private_handle_t::PRIV_FLAGS_HW_TEXTURE;
}
if(usage & GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY) {
flags |= private_handle_t::PRIV_FLAGS_SECURE_DISPLAY;
}
if(isMacroTileEnabled(format, usage)) {
flags |= private_handle_t::PRIV_FLAGS_TILE_RENDERED;
}
if (isUBwcEnabled(format, usage)) {
flags |= private_handle_t::PRIV_FLAGS_UBWC_ALIGNED;
}
if(usage & (GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK)) {
flags |= private_handle_t::PRIV_FLAGS_CPU_RENDERED;
}
if (usage & (GRALLOC_USAGE_HW_VIDEO_ENCODER |
GRALLOC_USAGE_HW_CAMERA_WRITE |
GRALLOC_USAGE_HW_RENDER |
GRALLOC_USAGE_HW_FB)) {
flags |= private_handle_t::PRIV_FLAGS_NON_CPU_WRITER;
}
if(usage & GRALLOC_USAGE_HW_COMPOSER) {
flags |= private_handle_t::PRIV_FLAGS_DISP_CONSUMER;
}
if(false == data.uncached) {
flags |= private_handle_t::PRIV_FLAGS_CACHED;
}
flags |= data.allocType;
uint64_t eBaseAddr = (uint64_t)(eData.base) + eData.offset;
private_handle_t *hnd = new private_handle_t(data.fd, size, flags,
bufferType, format, width, height, eData.fd, eData.offset,
eBaseAddr);
hnd->offset = data.offset;
hnd->base = (uint64_t)(data.base) + data.offset;
hnd->gpuaddr = 0;
ColorSpace_t colorSpace = ITU_R_601;
setMetaData(hnd, UPDATE_COLOR_SPACE, (void*) &colorSpace);
*pHandle = hnd;
}
ALOGE_IF(err, "gralloc failed err=%s", strerror(-err));
return err;
}
void gpu_context_t::getGrallocInformationFromFormat(int inputFormat,
int *bufferType)
{
*bufferType = BUFFER_TYPE_VIDEO;
if (isUncompressedRgbFormat(inputFormat) == TRUE) {
// RGB formats
*bufferType = BUFFER_TYPE_UI;
}
}
int gpu_context_t::gralloc_alloc_framebuffer_locked(int usage,
buffer_handle_t* pHandle)
{
private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
// This allocation will only happen when gralloc is in fb mode
if (m->framebuffer == NULL) {
ALOGE("%s: Invalid framebuffer", __FUNCTION__);
return -EINVAL;
}
const unsigned int bufferMask = m->bufferMask;
const uint32_t numBuffers = m->numBuffers;
unsigned int bufferSize = m->finfo.line_length * m->info.yres;
//adreno needs FB size to be page aligned
bufferSize = roundUpToPageSize(bufferSize);
if (numBuffers == 1) {
// If we have only one buffer, we never use page-flipping. Instead,
// we return a regular buffer which will be memcpy'ed to the main
// screen when post is called.
int newUsage = (usage & ~GRALLOC_USAGE_HW_FB) | GRALLOC_USAGE_HW_2D;
return gralloc_alloc_buffer(bufferSize, newUsage, pHandle, BUFFER_TYPE_UI,
m->fbFormat, m->info.xres, m->info.yres);
}
if (bufferMask >= ((1LU<<numBuffers)-1)) {
// We ran out of buffers.
return -ENOMEM;
}
// create a "fake" handle for it
uint64_t vaddr = uint64_t(m->framebuffer->base);
// As GPU needs ION FD, the private handle is created
// using ION fd and ION flags are set
private_handle_t* hnd = new private_handle_t(
dup(m->framebuffer->fd), bufferSize,
private_handle_t::PRIV_FLAGS_USES_ION |
private_handle_t::PRIV_FLAGS_FRAMEBUFFER,
BUFFER_TYPE_UI, m->fbFormat, m->info.xres,
m->info.yres);
// find a free slot
for (uint32_t i=0 ; i<numBuffers ; i++) {
if ((bufferMask & (1LU<<i)) == 0) {
m->bufferMask |= (uint32_t)(1LU<<i);
break;
}
vaddr += bufferSize;
}
hnd->base = vaddr;
hnd->offset = (unsigned int)(vaddr - m->framebuffer->base);
*pHandle = hnd;
return 0;
}
int gpu_context_t::gralloc_alloc_framebuffer(int usage,
buffer_handle_t* pHandle)
{
private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
pthread_mutex_lock(&m->lock);
int err = gralloc_alloc_framebuffer_locked(usage, pHandle);
pthread_mutex_unlock(&m->lock);
return err;
}
int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
buffer_handle_t* pHandle, int* pStride,
unsigned int bufferSize) {
if (!pHandle || !pStride)
return -EINVAL;
unsigned int size;
int alignedw, alignedh;
int grallocFormat = format;
int bufferType;
//If input format is HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED then based on
//the usage bits, gralloc assigns a format.
if(format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED ||
format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
if (usage & GRALLOC_USAGE_PRIVATE_ALLOC_UBWC)
grallocFormat = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC;
else if(usage & GRALLOC_USAGE_HW_VIDEO_ENCODER)
grallocFormat = HAL_PIXEL_FORMAT_NV12_ENCODEABLE; //NV12
else if((usage & GRALLOC_USAGE_HW_CAMERA_MASK)
== GRALLOC_USAGE_HW_CAMERA_ZSL)
grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL; //NV21 ZSL
else if(usage & GRALLOC_USAGE_HW_CAMERA_READ)
grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21
else if(usage & GRALLOC_USAGE_HW_CAMERA_WRITE) {
if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL; //NV21
} else {
grallocFormat = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS; //NV12 preview
}
} else if(usage & GRALLOC_USAGE_HW_COMPOSER)
//XXX: If we still haven't set a format, default to RGBA8888
grallocFormat = HAL_PIXEL_FORMAT_RGBA_8888;
else if(format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
//If no other usage flags are detected, default the
//flexible YUV format to NV21_ZSL
grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL;
}
}
bool useFbMem = false;
char property[PROPERTY_VALUE_MAX];
char isUBWC[PROPERTY_VALUE_MAX];
if (usage & GRALLOC_USAGE_HW_FB) {
if ((property_get("debug.gralloc.map_fb_memory", property, NULL) > 0) &&
(!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
(!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
useFbMem = true;
} else {
usage &= ~GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
if (property_get("debug.gralloc.enable_fb_ubwc", isUBWC, NULL) > 0){
if ((!strncmp(isUBWC, "1", PROPERTY_VALUE_MAX)) ||
(!strncasecmp(isUBWC, "true", PROPERTY_VALUE_MAX))) {
// Allocate UBWC aligned framebuffer
usage |= GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
}
}
}
}
getGrallocInformationFromFormat(grallocFormat, &bufferType);
size = getBufferSizeAndDimensions(w, h, grallocFormat, usage, alignedw,
alignedh);
if ((unsigned int)size <= 0)
return -EINVAL;
size = (bufferSize >= size)? bufferSize : size;
int err = 0;
if(useFbMem) {
err = gralloc_alloc_framebuffer(usage, pHandle);
} else {
err = gralloc_alloc_buffer(size, usage, pHandle, bufferType,
grallocFormat, alignedw, alignedh);
}
if (err < 0) {
return err;
}
auto hnd = (private_handle_t*) *pHandle;
hnd->backing_store = next_backing_store_id();
hnd->original_width = w;
hnd->original_format = format;
*pStride = alignedw;
return 0;
}
int gpu_context_t::free_impl(private_handle_t const* hnd) {
private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) {
const unsigned int bufferSize = m->finfo.line_length * m->info.yres;
unsigned int index = (unsigned int) ((hnd->base - m->framebuffer->base)
/ bufferSize);
m->bufferMask &= (uint32_t)~(1LU<<index);
} else {
terminateBuffer(&m->base, const_cast<private_handle_t*>(hnd));
IMemAlloc* memalloc = mAllocCtrl->getAllocator(hnd->flags);
int err = memalloc->free_buffer((void*)hnd->base, hnd->size,
hnd->offset, hnd->fd);
if(err)
return err;
// free the metadata space
unsigned int size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
err = memalloc->free_buffer((void*)hnd->base_metadata,
size, hnd->offset_metadata,
hnd->fd_metadata);
if (err)
return err;
}
delete hnd;
return 0;
}
int gpu_context_t::gralloc_alloc(alloc_device_t* dev, int w, int h, int format,
int usage, buffer_handle_t* pHandle,
int* pStride)
{
if (!dev) {
return -EINVAL;
}
gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, 0);
}
int gpu_context_t::gralloc_alloc_size(alloc_device_t* dev, int w, int h,
int format, int usage,
buffer_handle_t* pHandle, int* pStride,
int bufferSize)
{
if (!dev) {
return -EINVAL;
}
gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, bufferSize);
}
int gpu_context_t::gralloc_free(alloc_device_t* dev,
buffer_handle_t handle)
{
if (private_handle_t::validate(handle) < 0)
return -EINVAL;
private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle);
gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
return gpu->free_impl(hnd);
}
/*****************************************************************************/
int gpu_context_t::gralloc_close(struct hw_device_t *dev)
{
gpu_context_t* ctx = reinterpret_cast<gpu_context_t*>(dev);
if (ctx) {
/* TODO: keep a list of all buffer_handle_t created, and free them
* all here.
*/
delete ctx;
}
return 0;
}