Cleanup properties

bug:19967854

Separate properties from Caches, into static, RenderThread-only class.

Also rewrites the means for java to set properties to correctly handle
threading, and adds an override for profile bars so that SysUi doesn't clutter
the screen with them.

Change-Id: I6e21a96065f52b9ecc49d1a126244804ba106fa9

1 files changed, 149 insertions, 0 deletions

diff --git a/libs/hwui/Properties.cpp b/libs/hwui/Properties.cpp
new file mode 100644
index 0000000..fd32b6f
--- /dev/null
+++ b/libs/hwui/Properties.cpp
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "Properties.h"
+
+#include "Debug.h"
+
+#include <cmath>
+#include <cutils/log.h>
+
+namespace android {
+namespace uirenderer {
+
+bool Properties::drawDeferDisabled = false;
+bool Properties::drawReorderDisabled = false;
+bool Properties::debugLayersUpdates = false;
+bool Properties::debugOverdraw = false;
+bool Properties::showDirtyRegions = false;
+
+DebugLevel Properties::debugLevel = kDebugDisabled;
+OverdrawColorSet Properties::overdrawColorSet = OverdrawColorSet::Default;
+StencilClipDebug Properties::debugStencilClip = StencilClipDebug::Hide;
+
+float Properties::overrideLightRadius = -1.0f;
+float Properties::overrideLightPosY = -1.0f;
+float Properties::overrideLightPosZ = -1.0f;
+float Properties::overrideAmbientRatio = -1.0f;
+int Properties::overrideAmbientShadowStrength = -1;
+int Properties::overrideSpotShadowStrength = -1;
+
+ProfileType Properties::sProfileType = ProfileType::None;
+bool Properties::sDisableProfileBars = false;
+
+bool Properties::load() {
+    char property[PROPERTY_VALUE_MAX];
+    bool prevDebugLayersUpdates = debugLayersUpdates;
+    bool prevDebugOverdraw = debugOverdraw;
+    StencilClipDebug prevDebugStencilClip = debugStencilClip;
+
+
+    debugOverdraw = false;
+    if (property_get(PROPERTY_DEBUG_OVERDRAW, property, nullptr) > 0) {
+        INIT_LOGD("  Overdraw debug enabled: %s", property);
+        if (!strcmp(property, "show")) {
+            debugOverdraw = true;
+            overdrawColorSet = OverdrawColorSet::Default;
+        } else if (!strcmp(property, "show_deuteranomaly")) {
+            debugOverdraw = true;
+            overdrawColorSet = OverdrawColorSet::Deuteranomaly;
+        }
+    }
+
+    // See Properties.h for valid values
+    if (property_get(PROPERTY_DEBUG_STENCIL_CLIP, property, nullptr) > 0) {
+        INIT_LOGD("  Stencil clip debug enabled: %s", property);
+        if (!strcmp(property, "hide")) {
+            debugStencilClip = StencilClipDebug::Hide;
+        } else if (!strcmp(property, "highlight")) {
+            debugStencilClip = StencilClipDebug::ShowHighlight;
+        } else if (!strcmp(property, "region")) {
+            debugStencilClip = StencilClipDebug::ShowRegion;
+        }
+    } else {
+        debugStencilClip = StencilClipDebug::Hide;
+    }
+
+    sProfileType = ProfileType::None;
+    if (property_get(PROPERTY_PROFILE, property, "") > 0) {
+        if (!strcmp(property, PROPERTY_PROFILE_VISUALIZE_BARS)) {
+            sProfileType = ProfileType::Bars;
+        } else if (!strcmp(property, "true")) {
+            sProfileType = ProfileType::Console;
+        }
+    }
+
+    debugLayersUpdates = property_get_bool(PROPERTY_DEBUG_LAYERS_UPDATES, false);
+    INIT_LOGD("  Layers updates debug enabled: %d", debugLayersUpdates);
+
+    drawDeferDisabled = property_get_bool(PROPERTY_DISABLE_DRAW_DEFER, false);
+    INIT_LOGD("  Draw defer %s", drawDeferDisabled ? "disabled" : "enabled");
+
+    drawReorderDisabled = property_get_bool(PROPERTY_DISABLE_DRAW_REORDER, false);
+    INIT_LOGD("  Draw reorder %s", drawReorderDisabled ? "disabled" : "enabled");
+
+    showDirtyRegions = property_get_bool(PROPERTY_DEBUG_SHOW_DIRTY_REGIONS, false);
+
+    debugLevel = kDebugDisabled;
+    if (property_get(PROPERTY_DEBUG, property, nullptr) > 0) {
+        debugLevel = (DebugLevel) atoi(property);
+    }
+
+    return (prevDebugLayersUpdates != debugLayersUpdates)
+            || (prevDebugOverdraw != debugOverdraw)
+            || (prevDebugStencilClip != debugStencilClip);
+}
+
+void Properties::overrideProperty(const char* name, const char* value) {
+    if (!strcmp(name, "disableProfileBars")) {
+        sDisableProfileBars = !strcmp(value, "true");
+        ALOGD("profile bars %s", sDisableProfileBars ? "disabled" : "enabled");
+        return;
+    } else if (!strcmp(name, "ambientRatio")) {
+        overrideAmbientRatio = fmin(fmax(atof(value), 0.0), 10.0);
+        ALOGD("ambientRatio = %.2f", overrideAmbientRatio);
+        return;
+    } else if (!strcmp(name, "lightRadius")) {
+        overrideLightRadius = fmin(fmax(atof(value), 0.0), 3000.0);
+        ALOGD("lightRadius = %.2f", overrideLightRadius);
+        return;
+    } else if (!strcmp(name, "lightPosY")) {
+        overrideLightPosY = fmin(fmax(atof(value), 0.0), 3000.0);
+        ALOGD("lightPos Y = %.2f", overrideLightPosY);
+        return;
+    } else if (!strcmp(name, "lightPosZ")) {
+        overrideLightPosZ = fmin(fmax(atof(value), 0.0), 3000.0);
+        ALOGD("lightPos Z = %.2f", overrideLightPosZ);
+        return;
+    } else if (!strcmp(name, "ambientShadowStrength")) {
+        overrideAmbientShadowStrength = atoi(value);
+        ALOGD("ambient shadow strength = 0x%x out of 0xff", overrideAmbientShadowStrength);
+        return;
+    } else if (!strcmp(name, "spotShadowStrength")) {
+        overrideSpotShadowStrength = atoi(value);
+        ALOGD("spot shadow strength = 0x%x out of 0xff", overrideSpotShadowStrength);
+        return;
+    }
+    ALOGD("failed overriding property %s to %s", name, value);
+}
+
+ProfileType Properties::getProfileType() {
+    if (CC_UNLIKELY(sDisableProfileBars && sProfileType == ProfileType::Bars))
+        return ProfileType::None;
+    return sProfileType;
+}
+
+}; // namespace uirenderer
+}; // namespace android