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Allow sticky transform to be set in ANativeWindow. 

Bug: 15116722

- Adds methods to set the sticky transform field.

Change-Id: Idaa4311dfd027b2d2b8ea5e2c6cba2da5779d753
This commit is contained in:
Ruben Brunk 2014-06-27 16:15:18 -07:00
parent 1404e65472
commit a5e65d86a2
1 changed files with 38 additions and 1 deletions
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39
include/system/window.h
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@ -242,7 +242,26 @@ enum {
* The consumer gralloc usage bits currently set by the consumer.
* The values are defined in hardware/libhardware/include/gralloc.h.
*/
NATIVE_WINDOW_CONSUMER_USAGE_BITS = 10
NATIVE_WINDOW_CONSUMER_USAGE_BITS = 10,
/**
* Transformation that will by applied to buffers by the hwcomposer.
* This must not be set or checked by producer endpoints, and will
* disable the transform hint set in SurfaceFlinger (see
* NATIVE_WINDOW_TRANSFORM_HINT).
*
* INTENDED USE:
* Temporary - Please do not use this. This is intended only to be used
* by the camera's LEGACY mode.
*
* In situations where a SurfaceFlinger client wishes to set a transform
* that is not visible to the producer, and will always be applied in the
* hardware composer, the client can set this flag with
* native_window_set_buffers_sticky_transform. This can be used to rotate
* and flip buffers consumed by hardware composer without actually changing
* the aspect ratio of the buffers produced.
*/
NATIVE_WINDOW_STICKY_TRANSFORM = 11,
};
/* Valid operations for the (*perform)() hook.
@ -273,6 +292,7 @@ enum {
NATIVE_WINDOW_API_DISCONNECT = 14, /* private */
NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS = 15, /* private */
NATIVE_WINDOW_SET_POST_TRANSFORM_CROP = 16, /* private */
NATIVE_WINDOW_SET_BUFFERS_STICKY_TRANSFORM = 17,/* private */
};
/* parameter for NATIVE_WINDOW_[API_][DIS]CONNECT */
@ -790,6 +810,23 @@ static inline int native_window_set_buffers_transform(
transform);
}
/*
* native_window_set_buffers_sticky_transform(..., int transform)
* All buffers queued after this call will be displayed transformed according
* to the transform parameter specified applied on top of the regular buffer
* transform. Setting this transform will disable the transform hint.
*
* Temporary - This is only intended to be used by the LEGACY camera mode, do
* not use this for anything else.
*/
static inline int native_window_set_buffers_sticky_transform(
struct ANativeWindow* window,
int transform)
{
return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_STICKY_TRANSFORM,
transform);
}
/*
* native_window_set_buffers_timestamp(..., int64_t timestamp)
* All buffers queued after this call will be associated with the timestamp