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libgralloc-qsd8k: Modify perform to use memory region

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Modify the GRALLOC_MODULE_PERFORM_CREATE_HANDLE_FROM_BUFFER function
to take into account the memory region that the buffer has been
allocated from.

Change-Id: Ifac7b117956b39e54911b1b7693c0f4b959c630b
CRs-fixed: 284900
This commit is contained in:
Naomi Luis
2011-04-25 19:02:02 -07:00
parent 32a41ee5dc
commit d314b7c703
2 changed files with 12 additions and 7 deletions
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1
gralloc_priv.h
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@@ -40,6 +40,7 @@ enum {
/* gralloc usage bit indicating a pmem_adsp allocation should be used */
GRALLOC_USAGE_PRIVATE_PMEM_ADSP = GRALLOC_USAGE_PRIVATE_0,
GRALLOC_USAGE_PRIVATE_PMEM = GRALLOC_USAGE_PRIVATE_1,
GRALLOC_USAGE_PRIVATE_ASHMEM = GRALLOC_USAGE_PRIVATE_2,
};
/* numbers of max buffers for page flipping */

18
mapper.cpp
View File

@@ -340,18 +340,22 @@ int gralloc_perform(struct gralloc_module_t const* module,
size_t offset = va_arg(args, size_t);
void* base = va_arg(args, void*);
// validate that it's indeed a pmem buffer
pmem_region region;
if (ioctl(fd, PMEM_GET_SIZE, &region) < 0) {
break;
}
native_handle_t** handle = va_arg(args, native_handle_t**);
int memoryFlags = va_arg(args, int);
if (memoryFlags == GRALLOC_USAGE_PRIVATE_PMEM) {
// validate that it's indeed a pmem buffer
pmem_region region;
if (ioctl(fd, PMEM_GET_SIZE, &region) < 0) {
break;
}
}
private_handle_t* hnd = (private_handle_t*)native_handle_create(
private_handle_t::sNumFds, private_handle_t::sNumInts);
hnd->magic = private_handle_t::sMagic;
hnd->fd = fd;
hnd->flags = private_handle_t::PRIV_FLAGS_USES_PMEM;
hnd->flags = (memoryFlags == GRALLOC_USAGE_PRIVATE_PMEM) ?
private_handle_t::PRIV_FLAGS_USES_PMEM :
private_handle_t::PRIV_FLAGS_USES_ASHMEM;
hnd->size = size;
hnd->offset = offset;
hnd->base = intptr_t(base) + offset;