test-hwc2: set layer surface damage

Test: Add "#define HAVE_NO_SURFACE_FLINGER" to
          frameworks/native/libs/gui/BufferQueueCore.cpp.
      Recompile and flash.
      Run "mm" in frameworks/native/services/surfaceflinger/tests/hwc2.
      Push test-hwc2 to device.
      Run "adb root && adb shell stop".
      Run test case. Ex: "./test-hwc2"

Change-Id: Ie30032c7285d76d26e51b36b0cfded909f4c3480
diff --git a/services/surfaceflinger/tests/hwc2/Hwc2TestProperties.cpp b/services/surfaceflinger/tests/hwc2/Hwc2TestProperties.cpp
index 1e40440..8ef3d59 100644
--- a/services/surfaceflinger/tests/hwc2/Hwc2TestProperties.cpp
+++ b/services/surfaceflinger/tests/hwc2/Hwc2TestProperties.cpp
@@ -15,6 +15,7 @@
  */
 
 #include <sstream>
+#include <cutils/log.h>
 
 #include "Hwc2TestProperties.h"
 
@@ -41,7 +42,17 @@
 void Hwc2TestBufferArea::setDependent(Hwc2TestSourceCrop* sourceCrop)
 {
     mSourceCrop = sourceCrop;
-    updateDependents();
+    if (mSourceCrop) {
+        mSourceCrop->updateBufferArea(get());
+    }
+}
+
+void Hwc2TestBufferArea::setDependent(Hwc2TestSurfaceDamage* surfaceDamage)
+{
+    mSurfaceDamage = surfaceDamage;
+    if (mSurfaceDamage) {
+        mSurfaceDamage->updateBufferArea(get());
+    }
 }
 
 void Hwc2TestBufferArea::update()
@@ -67,6 +78,8 @@
 
     if (mSourceCrop)
         mSourceCrop->updateBufferArea(curr);
+    if (mSurfaceDamage)
+        mSurfaceDamage->updateBufferArea(curr);
 }
 
 const std::vector<float> Hwc2TestBufferArea::mDefaultScalars = {
@@ -438,6 +451,103 @@
 };
 
 
+Hwc2TestSurfaceDamage::Hwc2TestSurfaceDamage(Hwc2TestCoverage coverage)
+    : Hwc2TestProperty(mSurfaceDamages),
+      mRegionScalars((coverage == Hwc2TestCoverage::Complete)? mCompleteRegionScalars:
+            (coverage == Hwc2TestCoverage::Basic)? mBasicRegionScalars:
+            mDefaultRegionScalars)
+{
+    update();
+}
+
+Hwc2TestSurfaceDamage::~Hwc2TestSurfaceDamage()
+{
+    freeSurfaceDamages();
+}
+
+std::string Hwc2TestSurfaceDamage::dump() const
+{
+    std::stringstream dmp;
+
+    const hwc_region_t& curr = get();
+    dmp << "\tsurface damage: region count " << curr.numRects << "\n";
+    for (size_t i = 0; i < curr.numRects; i++) {
+        const hwc_rect_t& rect = curr.rects[i];
+        dmp << "\t\trect: left " << rect.left << ", top " << rect.top
+                << ", right " << rect.right << ", bottom " << rect.bottom << "\n";
+    }
+
+    return dmp.str();
+}
+
+void Hwc2TestSurfaceDamage::updateBufferArea(const Area& bufferArea)
+{
+    mBufferArea = bufferArea;
+    update();
+}
+
+void Hwc2TestSurfaceDamage::update()
+{
+    freeSurfaceDamages();
+
+    if (mBufferArea.width == 0 && mBufferArea.height == 0) {
+        mSurfaceDamages.push_back({0, nullptr});
+        return;
+    }
+
+    hwc_region_t damage;
+
+    for (const auto& regionScalar : mRegionScalars) {
+        damage.numRects = regionScalar.size();
+
+        if (damage.numRects > 0) {
+            hwc_rect_t* rects = new hwc_rect_t[damage.numRects];
+            if (!rects) {
+                ALOGW("failed to allocate new hwc_rect_t array");
+                continue;
+            }
+
+            for (size_t i = 0; i < damage.numRects; i++) {
+                rects[i].left = regionScalar[i].left * mBufferArea.width;
+                rects[i].top = regionScalar[i].top * mBufferArea.height;
+                rects[i].right = regionScalar[i].right * mBufferArea.width;
+                rects[i].bottom = regionScalar[i].bottom * mBufferArea.height;
+            }
+
+            damage.rects = static_cast<hwc_rect_t const*>(rects);
+        } else {
+            damage.rects = nullptr;
+        }
+
+        mSurfaceDamages.push_back(damage);
+    }
+}
+
+void Hwc2TestSurfaceDamage::freeSurfaceDamages()
+{
+    for (const auto& surfaceDamage : mSurfaceDamages) {
+        if (surfaceDamage.numRects > 0 && surfaceDamage.rects)
+            delete[] surfaceDamage.rects;
+    }
+    mSurfaceDamages.clear();
+}
+
+const std::vector<std::vector<hwc_frect_t>> Hwc2TestSurfaceDamage::mDefaultRegionScalars = {
+    {{}},
+};
+
+const std::vector<std::vector<hwc_frect_t>> Hwc2TestSurfaceDamage::mBasicRegionScalars = {
+    {{}},
+    {{0.0, 0.0, 1.0, 1.0}},
+};
+
+const std::vector<std::vector<hwc_frect_t>> Hwc2TestSurfaceDamage::mCompleteRegionScalars = {
+    {{}},
+    {{0.0, 0.0, 1.0, 1.0}},
+    {{0.0, 0.0, 0.5, 0.5}, {0.5, 0.5, 1.0, 1.0}},
+};
+
+
 Hwc2TestTransform::Hwc2TestTransform(Hwc2TestCoverage coverage)
     : Hwc2TestProperty(coverage, mCompleteTransforms, mBasicTransforms,
             mDefaultTransforms) { }