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am d5358874: am 5ced76a1: Coalesce input events that arrive faster than 333Hz. (DO NOT MERGE)

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* commit 'd5358874e2cc90be3d7d3370ef7342c96c212451':
  Coalesce input events that arrive faster than 333Hz. (DO NOT MERGE)
This commit is contained in:
Jeff Brown
2011-05-25 14:46:37 -07:00
committed by Android Git Automerger
parent e79397df61 d5358874e2
commit fbc67977ae
4 changed files with 108 additions and 22 deletions
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8
libs/ui/InputTransport.cpp
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@@ -27,8 +27,14 @@
namespace android {
#define ROUND_UP(value, boundary) (((value) + (boundary) - 1) & ~((boundary) - 1))
#define MIN_HISTORY_DEPTH 20
// Must be at least sizeof(InputMessage) + sufficient space for pointer data
static const int DEFAULT_MESSAGE_BUFFER_SIZE = 16384;
static const int DEFAULT_MESSAGE_BUFFER_SIZE = ROUND_UP(
sizeof(InputMessage) + MIN_HISTORY_DEPTH
* (sizeof(InputMessage::SampleData) + MAX_POINTERS * sizeof(PointerCoords)),
4096);
// Signal sent by the producer to the consumer to inform it that a new message is
// available to be consumed in the shared memory buffer.