commit 6ebc46a7c01b22bc19d3c00b493f8d930b15b43a
author Craig Donner <cdonner@google.com> Fri Oct 21 15:23:44 2016 -0700
committer Craig Donner <cdonner@google.com> Fri Nov 11 11:35:06 2016 -0800
tree 6f68e8f1cf2ccde71eece4a037c8e32b4f0cd0b2
parent cd7dedbe69f8c90d351b97b1acea2bb3635b68ca

Add layered buffer support to libui and libgui.

Bug: 31686534
Test: manual
Change-Id: Ia40270701467f4b785660324cad883e7da08989a

include/ui/Gralloc1On0Adapter.h

diff --git a/include/ui/Gralloc1On0Adapter.h b/include/ui/Gralloc1On0Adapter.h
index d523c4f..2508ce9 100644
--- a/include/ui/Gralloc1On0Adapter.h
+++ b/include/ui/Gralloc1On0Adapter.h
@@ -131,6 +131,7 @@
             width(0),
             height(0),
             format(HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED),
+            layerCount(1),
             producerUsage(GRALLOC1_PRODUCER_USAGE_NONE),
             consumerUsage(GRALLOC1_CONSUMER_USAGE_NONE) {}
 
@@ -145,6 +146,11 @@
             return GRALLOC1_ERROR_NONE;
         }
 
+        gralloc1_error_t setLayerCount(uint32_t lc) {
+            layerCount = lc;
+            return GRALLOC1_ERROR_NONE;
+        }
+
         gralloc1_error_t setProducerUsage(gralloc1_producer_usage_t usage) {
             producerUsage = usage;
             return GRALLOC1_ERROR_NONE;
@@ -161,6 +167,7 @@
         uint32_t width;
         uint32_t height;
         int32_t format;
+        uint32_t layerCount;
         gralloc1_producer_usage_t producerUsage;
         gralloc1_consumer_usage_t consumerUsage;
     };
@@ -197,6 +204,12 @@
                 &Descriptor::setFormat, format);
     }
 
+    static int32_t setLayerCountHook(gralloc1_device_t* device,
+            gralloc1_buffer_descriptor_t descriptorId, uint32_t layerCount) {
+        return callDescriptorFunction(device, descriptorId,
+                &Descriptor::setLayerCount, layerCount);
+    }
+
     static int32_t setProducerUsageHook(gralloc1_device_t* device,
             gralloc1_buffer_descriptor_t descriptorId, uint64_t intUsage) {
         auto usage = static_cast<gralloc1_producer_usage_t>(intUsage);
@@ -246,6 +259,11 @@
             return GRALLOC1_ERROR_NONE;
         }
 
+        gralloc1_error_t getLayerCount(uint32_t* outLayerCount) const {
+            *outLayerCount = mDescriptor.layerCount;
+            return GRALLOC1_ERROR_NONE;
+        }
+
         gralloc1_error_t getNumFlexPlanes(uint32_t* outNumPlanes) const {
             // TODO: This is conservative, and we could do better by examining
             // the format, but it won't hurt anything for now