commit baf29e7cf433624687c9d6b3bac180d33add8e0f
author sergeyv <sergeyv@google.com> Thu Sep 08 11:09:34 2016 -0700
committer sergeyv <sergeyv@google.com> Thu Sep 08 14:50:50 2016 -0700
tree f9e6bee9061c54cc3a4ab7fdc7dc1b06244a86ec
parent 735b9eca0f52fd27646ac7187bcebc56273bb771

HWUI: calculate used memory in FontCache for gfxinfo

bug:30427106
Change-Id: I653571d6a4e974e975fb0dc03fc2364eecbf2f84

libs/hwui/font/CacheTexture.cpp

diff --git a/libs/hwui/font/CacheTexture.cpp b/libs/hwui/font/CacheTexture.cpp
index 8ba4761..4b13814 100644
--- a/libs/hwui/font/CacheTexture.cpp
+++ b/libs/hwui/font/CacheTexture.cpp
@@ -324,5 +324,17 @@
     return false;
 }
 
+uint32_t CacheTexture::calculateFreeMemory() const {
+    CacheBlock* cacheBlock = mCacheBlocks;
+    uint32_t free = 0;
+    // currently only two formats are supported: GL_ALPHA or GL_RGBA;
+    uint32_t bpp = mFormat == GL_RGBA ? 4 : 1;
+    while (cacheBlock) {
+        free += bpp * cacheBlock->mWidth * cacheBlock->mHeight;
+        cacheBlock = cacheBlock->mNext;
+    }
+    return free;
+}
+
 }; // namespace uirenderer
 }; // namespace android

libs/hwui/font/CacheTexture.h

diff --git a/libs/hwui/font/CacheTexture.h b/libs/hwui/font/CacheTexture.h
index 4dfb41d..6750a8a 100644
--- a/libs/hwui/font/CacheTexture.h
+++ b/libs/hwui/font/CacheTexture.h
@@ -178,6 +178,8 @@
         return mCurrentQuad == mMaxQuadCount;
     }
 
+    uint32_t calculateFreeMemory() const;
+
 private:
     void setDirty(bool dirty);