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Add validateBufferSize and getTransportSize to gralloc.h

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This reverts commit ae6d8a3e33.

Bug: 130669566
Test: build, boot
Change-Id: Icdb3b1e0534233995d5c0594feede6261033ec45
This commit is contained in:
Valerie Hau 2019-04-24 21:42:00 +00:00
parent ae6d8a3e33
commit 5543b1eb04
2 changed files with 34 additions and 2 deletions
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32
include/hardware/gralloc.h
View file

@ -314,8 +314,38 @@ typedef struct gralloc_module_t {
int l, int t, int w, int h,
struct android_ycbcr *ycbcr, int fenceFd);
/* getTransportSize(..., outNumFds, outNumInts)
* This function is mandatory on devices running IMapper2.1 or higher.
*
* Get the transport size of a buffer. An imported buffer handle is a raw
* buffer handle with the process-local runtime data appended. This
* function, for example, allows a caller to omit the process-local
* runtime data at the tail when serializing the imported buffer handle.
*
* Note that a client might or might not omit the process-local runtime
* data when sending an imported buffer handle. The mapper must support
* both cases on the receiving end.
*/
int32_t (*getTransportSize)(
struct gralloc_module_t const* module, buffer_handle_t handle, uint32_t *outNumFds,
uint32_t *outNumInts);
/* validateBufferSize(..., w, h, format, usage, stride)
* This function is mandatory on devices running IMapper2.1 or higher.
*
* Validate that the buffer can be safely accessed by a caller who assumes
* the specified width, height, format, usage, and stride. This must at least validate
* that the buffer size is large enough. Validating the buffer against
* individual buffer attributes is optional.
*/
int32_t (*validateBufferSize)(
struct gralloc_module_t const* device, buffer_handle_t handle,
uint32_t w, uint32_t h, int32_t format, int usage,
uint32_t stride);
/* reserved for future use */
void* reserved_proc[3];
void* reserved_proc[1];
} gralloc_module_t;
/*****************************************************************************/

4
tests/hardware/struct-offset.cpp
View file

@ -185,7 +185,9 @@ void CheckOffsets(void) {
CHECK_MEMBER_AT(gralloc_module_t, lockAsync, 152, 296);
CHECK_MEMBER_AT(gralloc_module_t, unlockAsync, 156, 304);
CHECK_MEMBER_AT(gralloc_module_t, lockAsync_ycbcr, 160, 312);
CHECK_MEMBER_AT(gralloc_module_t, reserved_proc, 164, 320);
CHECK_MEMBER_AT(gralloc_module_t, getTransportSize, 164, 320);
CHECK_MEMBER_AT(gralloc_module_t, validateBufferSize, 168, 328);
CHECK_MEMBER_AT(gralloc_module_t, reserved_proc, 172, 336);
CHECK_MEMBER_AT(alloc_device_t, common, 0, 0);
CHECK_MEMBER_AT(alloc_device_t, alloc, 64, 120);