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hwc2: Fix readback docs

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am: af153e0a5d

Change-Id: Ida605bc803cc7e3d79e5f298c8b4a405435e18f2
This commit is contained in:
Dan Stoza
2018-05-16 15:52:55 -07:00
committed by android-build-merger
parent c5347d9440 af153e0a5d
commit 5ee2def1cc
1 changed files with 13 additions and 5 deletions
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18
include/hardware/hwcomposer2.h
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@@ -1774,15 +1774,19 @@ typedef int32_t /*hwc2_error_t*/ (*HWC2_PFN_SET_POWER_MODE)(
* output of the display remains the same (subject to the note about protected
* content in the description of setReadbackBuffer).
*
* If the active configuration or color mode of this display has changed since
* the previous call to this function, it will be called again prior to setting
* a readback buffer such that the returned format and dataspace can be updated
* accordingly.
*
* Parameters:
* outFormat - the format the client should use when allocating a device
* readback buffer
* readback buffer; pointer will be non-NULL
* outDataspace - the dataspace the client will use when interpreting the
* contents of a device readback buffer
* contents of a device readback buffer; pointer will be non-NULL
*
* Returns HWC2_ERROR_NONE or one of the following errors:
* HWC2_ERROR_BAD_DISPLAY - an invalid display handle was passed in
* HWC2_ERROR_UNSUPPORTED - mode was a valid power mode, but is not supported
*
* See also:
* setReadbackBuffer
@@ -1824,8 +1828,12 @@ typedef int32_t /*hwc2_error_t*/ (*HWC2_PFN_GET_READBACK_BUFFER_ATTRIBUTES)(
*
* Returns HWC2_ERROR_NONE or one of the following errors:
* HWC2_ERROR_BAD_DISPLAY - an invalid display handle was passed in
* HWC2_ERROR_UNSUPPORTED - mode was a valid power mode, but is not supported
*
* HWC2_ERROR_NO_RESOURCES - the readback operation was successful, but
* resulted in a different validate result than would have occurred
* without readback
* HWC2_ERROR_UNSUPPORTED - the readback operation was unsuccessful because
* of resource constraints, the presence of protected content, or other
* reasons; -1 must be returned in outFence
*/
typedef int32_t /*hwc2_error_t*/ (*HWC2_PFN_GET_READBACK_BUFFER_FENCE)(
hwc2_device_t* device, hwc2_display_t display,