commit 5ff9df658230d49e42c43586997a02d8e4dd417e
author Romain Guy <romainguy@google.com> Mon Jan 23 17:09:05 2012 -0800
committer Romain Guy <romainguy@google.com> Mon Jan 23 17:09:05 2012 -0800
tree 4b6f2b97036285bd8e114c2f476bcfd0c812d4c9
parent 36d7549181af397cfaf879f46e407e762e0e8cba

Add full support for Canvas.setDrawFilter()

Change-Id: I0ad35d0603c4eeda469014803be14c1dcdde918c

libs/hwui/OpenGLRenderer.cpp

diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index 786a4f1..cc0e05e 100644
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -111,6 +111,7 @@
     mShader = NULL;
     mColorFilter = NULL;
     mHasShadow = false;
+    mHasDrawFilter = false;
 
     memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices));
 
@@ -2399,6 +2400,31 @@
 }
 
 ///////////////////////////////////////////////////////////////////////////////
+// Draw filters
+///////////////////////////////////////////////////////////////////////////////
+
+void OpenGLRenderer::resetPaintFilter() {
+    mHasDrawFilter = false;
+}
+
+void OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) {
+    mHasDrawFilter = true;
+    mPaintFilterClearBits = clearBits & SkPaint::kAllFlags;
+    mPaintFilterSetBits = setBits & SkPaint::kAllFlags;
+}
+
+SkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) {
+    if (!mHasDrawFilter || !paint) return paint;
+
+    uint32_t flags = paint->getFlags();
+
+    mFilteredPaint = *paint;
+    mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits);
+
+    return &mFilteredPaint;
+}
+
+///////////////////////////////////////////////////////////////////////////////
 // Drawing implementation
 ///////////////////////////////////////////////////////////////////////////////