Serializing display lists
This is a WIP prototype
Change-Id: Id4bfcf2b7bf905221c3734b7b6887c9b2efd37e6
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index 7cb7738..1673802 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -26,15 +26,22 @@
#include "RenderThread.h"
#include "renderstate/RenderState.h"
#include "renderstate/Stencil.h"
+#include "protos/hwui.pb.h"
+
+#include <cutils/properties.h>
+#include <google/protobuf/io/zero_copy_stream_impl.h>
+#include <private/hwui/DrawGlInfo.h>
+#include <strings.h>
#include <algorithm>
-#include <strings.h>
-#include <cutils/properties.h>
-#include <private/hwui/DrawGlInfo.h>
+#include <fcntl.h>
+#include <sys/stat.h>
#define TRIM_MEMORY_COMPLETE 80
#define TRIM_MEMORY_UI_HIDDEN 20
+#define ENABLE_RENDERNODE_SERIALIZATION false
+
#define LOG_FRAMETIME_MMA 0
#if LOG_FRAMETIME_MMA
@@ -480,6 +487,40 @@
mRenderThread.jankTracker().reset();
}
+void CanvasContext::serializeDisplayListTree() {
+#if ENABLE_RENDERNODE_SERIALIZATION
+ using namespace google::protobuf::io;
+ char package[128];
+ // Check whether tracing is enabled for this process.
+ FILE * file = fopen("/proc/self/cmdline", "r");
+ if (file) {
+ if (!fgets(package, 128, file)) {
+ ALOGE("Error reading cmdline: %s (%d)", strerror(errno), errno);
+ fclose(file);
+ return;
+ }
+ fclose(file);
+ } else {
+ ALOGE("Error opening /proc/self/cmdline: %s (%d)", strerror(errno),
+ errno);
+ return;
+ }
+ char path[1024];
+ snprintf(path, 1024, "/data/data/%s/cache/rendertree_dump", package);
+ int fd = open(path, O_CREAT | O_WRONLY, S_IRWXU | S_IRGRP | S_IROTH);
+ if (fd == -1) {
+ ALOGD("Failed to open '%s'", path);
+ return;
+ }
+ proto::RenderNode tree;
+ // TODO: Streaming writes?
+ mRootRenderNode->copyTo(&tree);
+ std::string data = tree.SerializeAsString();
+ write(fd, data.c_str(), data.length());
+ close(fd);
+#endif
+}
+
} /* namespace renderthread */
} /* namespace uirenderer */
} /* namespace android */
diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index 0ceb9f1..6a79320 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -111,6 +111,8 @@
void setName(const std::string&& name) { mName = name; }
const std::string& name() { return mName; }
+ void serializeDisplayListTree();
+
private:
friend class RegisterFrameCallbackTask;
// TODO: Replace with something better for layer & other GL object
diff --git a/libs/hwui/renderthread/RenderProxy.cpp b/libs/hwui/renderthread/RenderProxy.cpp
index a3a0163..b838811 100644
--- a/libs/hwui/renderthread/RenderProxy.cpp
+++ b/libs/hwui/renderthread/RenderProxy.cpp
@@ -490,6 +490,17 @@
post(task);
}
+CREATE_BRIDGE1(serializeDisplayListTree, CanvasContext* context) {
+ args->context->serializeDisplayListTree();
+ return nullptr;
+}
+
+void RenderProxy::serializeDisplayListTree() {
+ SETUP_TASK(serializeDisplayListTree);
+ args->context = mContext;
+ post(task);
+}
+
void RenderProxy::post(RenderTask* task) {
mRenderThread.queue(task);
}
diff --git a/libs/hwui/renderthread/RenderProxy.h b/libs/hwui/renderthread/RenderProxy.h
index 0d2c7be..e7356db 100644
--- a/libs/hwui/renderthread/RenderProxy.h
+++ b/libs/hwui/renderthread/RenderProxy.h
@@ -104,6 +104,8 @@
ANDROID_API void setTextureAtlas(const sp<GraphicBuffer>& buffer, int64_t* map, size_t size);
ANDROID_API void setProcessStatsBuffer(int fd);
+ ANDROID_API void serializeDisplayListTree();
+
private:
RenderThread& mRenderThread;
CanvasContext* mContext;