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Merge "Coalesce input events that arrive faster than 333Hz."

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Jeff Brown 2011-04-07 13:18:38 -07:00 committed by Android (Google) Code Review
commit 76a8686e2b
1 changed files with 7 additions and 1 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.