commit baa39c57743371f9304a0f9f8493f7189e92bfca
author Naseer Ahmed <naseer@codeaurora.org> Mon Mar 27 14:00:07 2017 -0400
committer Naseer Ahmed <naseer@codeaurora.org> Tue Mar 28 21:14:10 2017 -0400
tree f6831810edff62eea6432a1e54c75d039bf197d9
parent 4c0eec9ccbd901bc5f2a8e9d44b7b9f3a68e08c2

gralloc1: Add support for layered buffers

Implements the gralloc1 capability GRALLOC1_CAPABILITY_LAYERED_BUFFERS.

CRs-Fixed: 2025988
Change-Id: I80c8ef6aa18844e33ecd8b019c6f4cf08872afb5

libgralloc1/gr_buf_mgr.cpp

diff --git a/libgralloc1/gr_buf_mgr.cpp b/libgralloc1/gr_buf_mgr.cpp
index 246bf5c..d3a307b 100644
--- a/libgralloc1/gr_buf_mgr.cpp
+++ b/libgralloc1/gr_buf_mgr.cpp
@@ -469,6 +469,7 @@
   int format = descriptor.GetFormat();
   gralloc1_producer_usage_t prod_usage = descriptor.GetProducerUsage();
   gralloc1_consumer_usage_t cons_usage = descriptor.GetConsumerUsage();
+  uint32_t layer_count = descriptor.GetLayerCount();
 
   // Get implementation defined format
   int gralloc_format = allocator_->GetImplDefinedFormat(prod_usage, cons_usage, format);
@@ -478,6 +479,7 @@
   int buffer_type = GetBufferType(gralloc_format);
   allocator_->GetBufferSizeAndDimensions(descriptor, &size, &alignedw, &alignedh);
   size = (bufferSize >= size) ? bufferSize : size;
+  size = size * layer_count;
 
   int err = 0;
   int flags = 0;
@@ -528,6 +530,7 @@
   hnd->id = ++next_id_;
   hnd->base = 0;
   hnd->base_metadata = 0;
+  hnd->layer_count = layer_count;
 
   ColorSpace_t colorSpace = ITU_R_601;
   setMetaData(hnd, UPDATE_COLOR_SPACE, reinterpret_cast<void *>(&colorSpace));