commit fe6342e5bca0549e643f3a965f52163aedc1c637
author Naseer Ahmed <naseer@codeaurora.org> Thu Apr 20 16:52:40 2017 -0400
committer Naseer Ahmed <naseer@codeaurora.org> Mon Apr 24 12:45:39 2017 -0400
tree bf591a2432c6c851e938a91c8a88dc7c7a7d7049
parent 86514177541d2a930de0427812a65f9d15f5bc32

gralloc1: Support GPU_DATA_BUFFER and SENSOR_DIRECT_DATA

* These buffers can have any RGB format
* Should not use UBWC
* Should be uncached
* 4k aligned

CRs-Fixed: 2037674
Change-Id: I49c88b1914f8a4247137ae5b64276f0346977a71

libgralloc1/gr_allocator.cpp

diff --git a/libgralloc1/gr_allocator.cpp b/libgralloc1/gr_allocator.cpp
index 5e3ee9b..045cc63 100644
--- a/libgralloc1/gr_allocator.cpp
+++ b/libgralloc1/gr_allocator.cpp
@@ -96,7 +96,7 @@
 int Allocator::AllocateMem(AllocData *alloc_data, gralloc1_producer_usage_t prod_usage,
                            gralloc1_consumer_usage_t cons_usage) {
   int ret;
-  alloc_data->uncached = UseUncached(prod_usage);
+  alloc_data->uncached = UseUncached(prod_usage, cons_usage);
 
   // After this point we should have the right heap set, there is no fallback
   GetIonHeapInfo(prod_usage, cons_usage, &alloc_data->heap_id, &alloc_data->alloc_type,
@@ -158,7 +158,8 @@
   *max_index = -1;
   for (uint32_t i = 0; i < num_descriptors; i++) {
     // Check Cached vs non-cached and all the ION flags
-    cur_uncached = UseUncached(descriptors[i]->GetProducerUsage());
+    cur_uncached = UseUncached(descriptors[i]->GetProducerUsage(),
+                               descriptors[i]->GetConsumerUsage());
     GetIonHeapInfo(descriptors[i]->GetProducerUsage(), descriptors[i]->GetConsumerUsage(),
                    &cur_heap_id, &cur_alloc_type, &cur_ion_flags);
 
@@ -225,22 +226,27 @@
 /* The default policy is to return cached buffers unless the client explicity
  * sets the PRIVATE_UNCACHED flag or indicates that the buffer will be rarely
  * read or written in software. */
-// TODO(user) : As of now relying only on producer usage
-bool Allocator::UseUncached(gralloc1_producer_usage_t usage) {
-  if ((usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_UNCACHED) ||
-      (usage & GRALLOC1_PRODUCER_USAGE_PROTECTED)) {
+bool Allocator::UseUncached(gralloc1_producer_usage_t prod_usage,
+                            gralloc1_consumer_usage_t cons_usage) {
+  if ((prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_UNCACHED) ||
+      (prod_usage & GRALLOC1_PRODUCER_USAGE_PROTECTED)) {
     return true;
   }
 
   // CPU read rarely
-  if ((usage & GRALLOC1_PRODUCER_USAGE_CPU_READ) &&
-      !(usage & GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN)) {
+  if ((prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_READ) &&
+      !(prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN)) {
     return true;
   }
 
   // CPU  write rarely
-  if ((usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE) &&
-      !(usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN)) {
+  if ((prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE) &&
+      !(prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN)) {
+    return true;
+  }
+
+  if ((prod_usage & GRALLOC1_PRODUCER_USAGE_SENSOR_DIRECT_DATA) ||
+      (cons_usage & GRALLOC1_CONSUMER_USAGE_GPU_DATA_BUFFER)) {
     return true;
   }
 
@@ -302,5 +308,4 @@
 
   return;
 }
-
 }  // namespace gralloc1