3 files changed, 27 insertions, 5 deletions
diff --git a/libs/hwui/LayerRenderer.cpp b/libs/hwui/LayerRenderer.cpp
index b1eb164..f92e20b 100644
--- a/libs/hwui/LayerRenderer.cpp
+++ b/libs/hwui/LayerRenderer.cpp
@@ -92,7 +92,11 @@ Region* LayerRenderer::getRegion() {
 
 void LayerRenderer::generateMesh() {
 #if RENDER_LAYERS_AS_REGIONS
+#if RENDER_LAYERS_RECT_AS_RECT
     if (mLayer->region.isRect() || mLayer->region.isEmpty()) {
+#else
+    if (mLayer->region.isEmpty()) {
+#endif
         if (mLayer->mesh) {
             delete mLayer->mesh;
             delete mLayer->meshIndices;
diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index b8bd7d6..d9d7d23 100644
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -26,6 +26,8 @@
 #include <utils/Log.h>
 #include <utils/StopWatch.h>
 
+#include <private/hwui/DrawGlInfo.h>
+
 #include <ui/Rect.h>
 
 #include "OpenGLRenderer.h"
@@ -216,21 +218,29 @@ bool OpenGLRenderer::callDrawGLFunction(Functor *functor, Rect& dirty) {
         setScissorFromClip();
     }
 
+    Rect clip(*mSnapshot->clipRect);
+    clip.snapToPixelBoundaries();
+
 #if RENDER_LAYERS_AS_REGIONS
     // Since we don't know what the functor will draw, let's dirty
     // tne entire clip region
     if (hasLayer()) {
-        Rect clip(*mSnapshot->clipRect);
-        clip.snapToPixelBoundaries();
         dirtyLayerUnchecked(clip, getRegion());
     }
 #endif
 
-    float bounds[4];
-    status_t result = (*functor)(&bounds[0], 4);
+    DrawGlInfo info;
+    info.clipLeft = clip.left;
+    info.clipTop = clip.top;
+    info.clipRight = clip.right;
+    info.clipBottom = clip.bottom;
+    info.isLayer = hasLayer();
+    getSnapshot()->transform->copyTo(&info.transform[0]);
+
+    status_t result = (*functor)(0, &info);
 
     if (result != 0) {
-        Rect localDirty(bounds[0], bounds[1], bounds[2], bounds[3]);
+        Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom);
         dirty.unionWith(localDirty);
     }
 
@@ -636,11 +646,13 @@ void OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap)
 
 void OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) {
 #if RENDER_LAYERS_AS_REGIONS
+#if RENDER_LAYERS_RECT_AS_RECT
     if (layer->region.isRect()) {
         composeLayerRect(layer, rect);
         layer->region.clear();
         return;
     }
+#endif
 
     if (!layer->region.isEmpty()) {
         size_t count;
@@ -1646,10 +1658,14 @@ void OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) {
 
 #if RENDER_LAYERS_AS_REGIONS
     if (!layer->region.isEmpty()) {
+#if RENDER_LAYERS_RECT_AS_RECT
         if (layer->region.isRect()) {
             const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight());
             composeLayerRect(layer, r);
         } else if (layer->mesh) {
+#else
+        if (layer->mesh) {
+#endif
             const float a = alpha / 255.0f;
             const Rect& rect = layer->layer;
 
diff --git a/libs/hwui/Properties.h b/libs/hwui/Properties.h
index 2d8b6f3..1aef99b 100644
--- a/libs/hwui/Properties.h
+++ b/libs/hwui/Properties.h
@@ -27,6 +27,8 @@
 
 // If turned on, layers drawn inside FBOs are optimized with regions
 #define RENDER_LAYERS_AS_REGIONS 1
+// If turned on, layers that map to a single rect are drawn as a rect
+#define RENDER_LAYERS_RECT_AS_RECT 0
 
 /**
  * Debug level for app developers.