1 files changed, 53 insertions, 4 deletions

diff --git a/libs/hwui/FontRenderer.cpp b/libs/hwui/FontRenderer.cpp
index 276c18d0d3f9..1cd708f3ce46 100644
--- a/libs/hwui/FontRenderer.cpp
+++ b/libs/hwui/FontRenderer.cpp
@@ -747,19 +747,68 @@ static uint32_t calculateCacheSize(const std::vector<CacheTexture*>& cacheTextur
     return size;
 }
 
-uint32_t FontRenderer::getCacheSize(GLenum format) const {
+static uint32_t calculateFreeCacheSize(const std::vector<CacheTexture*>& cacheTextures) {
+    uint32_t size = 0;
+    for (uint32_t i = 0; i < cacheTextures.size(); i++) {
+        CacheTexture* cacheTexture = cacheTextures[i];
+        if (cacheTexture && cacheTexture->getPixelBuffer()) {
+            size += cacheTexture->calculateFreeMemory();
+        }
+    }
+    return size;
+}
+
+const std::vector<CacheTexture*>& FontRenderer::cacheTexturesForFormat(GLenum format) const {
     switch (format) {
         case GL_ALPHA: {
-            return calculateCacheSize(mACacheTextures);
+            return mACacheTextures;
         }
         case GL_RGBA: {
-            return calculateCacheSize(mRGBACacheTextures);
+            return mRGBACacheTextures;
         }
         default: {
-            return 0;
+            LOG_ALWAYS_FATAL("Unsupported format: %d", format);
+            // Impossible to hit this, but the compiler doesn't know that
+            return *(new std::vector<CacheTexture*>());
+        }
+    }
+}
+
+static void dumpTextures(String8& log, const char* tag,
+        const std::vector<CacheTexture*>& cacheTextures) {
+    for (uint32_t i = 0; i < cacheTextures.size(); i++) {
+        CacheTexture* cacheTexture = cacheTextures[i];
+        if (cacheTexture && cacheTexture->getPixelBuffer()) {
+            uint32_t free = cacheTexture->calculateFreeMemory();
+            uint32_t total = cacheTexture->getPixelBuffer()->getSize();
+            log.appendFormat("    %-4s texture %d     %8d / %8d\n", tag, i, total - free, total);
         }
     }
 }
 
+void FontRenderer::dumpMemoryUsage(String8& log) const {
+    const uint32_t sizeA8 = getCacheSize(GL_ALPHA);
+    const uint32_t usedA8 = sizeA8 - getFreeCacheSize(GL_ALPHA);
+    const uint32_t sizeRGBA = getCacheSize(GL_RGBA);
+    const uint32_t usedRGBA = sizeRGBA - getFreeCacheSize(GL_RGBA);
+    log.appendFormat("  FontRenderer A8      %8d / %8d\n", usedA8, sizeA8);
+    dumpTextures(log, "A8", cacheTexturesForFormat(GL_ALPHA));
+    log.appendFormat("  FontRenderer RGBA    %8d / %8d\n", usedRGBA, sizeRGBA);
+    dumpTextures(log, "RGBA", cacheTexturesForFormat(GL_RGBA));
+    log.appendFormat("  FontRenderer total   %8d / %8d\n", usedA8 + usedRGBA, sizeA8 + sizeRGBA);
+}
+
+uint32_t FontRenderer::getCacheSize(GLenum format) const {
+    return calculateCacheSize(cacheTexturesForFormat(format));
+}
+
+uint32_t FontRenderer::getFreeCacheSize(GLenum format) const {
+    return calculateFreeCacheSize(cacheTexturesForFormat(format));
+}
+
+uint32_t FontRenderer::getSize() const {
+    return getCacheSize(GL_ALPHA) + getCacheSize(GL_RGBA);
+}
+
 }; // namespace uirenderer
 }; // namespace android