commit a33c7e496a57ba6bb8b8960715ddbee559908a36
author Fabien Sanglard <sanglardf@google.com> Fri Mar 10 10:31:14 2017 -0800
committer Fabien Sanglard <sanglardf@google.com> Thu Mar 16 17:19:02 2017 -0700
tree 840ab477f380338dcb24409a8adf16ef0835014e
parent 049331f6f7056c9ed291cf0d1fdaeddf2031c52b

Add maxVirtualDisplaySize to configStore

Change-Id: I2c97995edda77b0044d3eaf394080bf7be6c0d77

configstore/1.0/ISurfaceFlingerConfigs.hal

diff --git a/configstore/1.0/ISurfaceFlingerConfigs.hal b/configstore/1.0/ISurfaceFlingerConfigs.hal
index ce967ee..1eaa4e9 100644
--- a/configstore/1.0/ISurfaceFlingerConfigs.hal
+++ b/configstore/1.0/ISurfaceFlingerConfigs.hal
@@ -84,4 +84,10 @@
      * GL composition.
      */
     useHwcForRGBtoYUV() generates(OptionalBool value);
+
+    /*
+     *  Maximum dimension supported by HWC for virtual display.
+     *  Must be equals to min(max_width, max_height).
+     */
+    maxVirtualDisplaySize() generates (OptionalUInt64 value);
 };

configstore/1.0/default/SurfaceFlingerConfigs.cpp

diff --git a/configstore/1.0/default/SurfaceFlingerConfigs.cpp b/configstore/1.0/default/SurfaceFlingerConfigs.cpp
index c4db9fb..6b44b71 100644
--- a/configstore/1.0/default/SurfaceFlingerConfigs.cpp
+++ b/configstore/1.0/default/SurfaceFlingerConfigs.cpp
@@ -89,6 +89,18 @@
     return Void();
 }
 
+Return<void> SurfaceFlingerConfigs::maxVirtualDisplaySize(maxVirtualDisplaySize_cb _hidl_cb) {
+  uint64_t maxSize = 0;
+#ifdef MAX_VIRTUAL_DISPLAY_DIMENSION
+  maxSize = MAX_VIRTUAL_DISPLAY_DIMENSION;
+  _hidl_cb({true, maxSize});
+  LOG(INFO) << "SurfaceFlinger MaxVirtualDisplaySize: " << maxSize;
+#else
+  _hidl_cb({false, maxSize});
+#endif
+  return Void();
+}
+
 // Methods from ::android::hidl::base::V1_0::IBase follow.
 ISurfaceFlingerConfigs* HIDL_FETCH_ISurfaceFlingerConfigs(const char* /* name */) {
     return new SurfaceFlingerConfigs();

configstore/1.0/default/SurfaceFlingerConfigs.h

diff --git a/configstore/1.0/default/SurfaceFlingerConfigs.h b/configstore/1.0/default/SurfaceFlingerConfigs.h
index ecd488c..a4738e3 100644
--- a/configstore/1.0/default/SurfaceFlingerConfigs.h
+++ b/configstore/1.0/default/SurfaceFlingerConfigs.h
@@ -32,6 +32,7 @@
     Return<void> hasHDRDisplay(hasHDRDisplay_cb _hidl_cb) override;
     Return<void> presentTimeOffsetFromVSyncNs(presentTimeOffsetFromVSyncNs_cb _hidl_cb) override;
     Return<void> useHwcForRGBtoYUV(useHwcForRGBtoYUV_cb _hidl_cb) override;
+    Return<void> maxVirtualDisplaySize(maxVirtualDisplaySize_cb _hidl_cb) override;
 
     // Methods from ::android::hidl::base::V1_0::IBase follow.
 

configstore/1.0/default/surfaceflinger.mk

diff --git a/configstore/1.0/default/surfaceflinger.mk b/configstore/1.0/default/surfaceflinger.mk
index c28524b..0db5134 100644
--- a/configstore/1.0/default/surfaceflinger.mk
+++ b/configstore/1.0/default/surfaceflinger.mk
@@ -38,3 +38,7 @@
 ifeq ($(TARGET_FORCE_HWC_FOR_VIRTUAL_DISPLAYS),true)
     LOCAL_CFLAGS += -DFORCE_HWC_COPY_FOR_VIRTUAL_DISPLAYS
 endif
+
+ifneq ($(MAX_VIRTUAL_DISPLAY_DIMENSION),)
+    LOCAL_CFLAGS += -DMAX_VIRTUAL_DISPLAY_DIMENSION=$(MAX_VIRTUAL_DISPLAY_DIMENSION)
+endif