fix Surface positions are not floats
Added Surface.setPosition(float, float) which allows to set a surface's
position in float.
Bug: 5239859
Change-Id: I903aef4ad5b5999142202fb8ea30fe216d805711
diff --git a/services/surfaceflinger/LayerBase.cpp b/services/surfaceflinger/LayerBase.cpp
index 4cc245a..c56836e 100644
--- a/services/surfaceflinger/LayerBase.cpp
+++ b/services/surfaceflinger/LayerBase.cpp
@@ -45,7 +45,6 @@
mFlinger(flinger), mFiltering(false),
mNeedsFiltering(false),
mOrientation(0),
- mLeft(0), mTop(0),
mTransactionFlags(0),
mPremultipliedAlpha(true), mName("unnamed"), mDebug(false),
mInvalidate(0)
@@ -119,7 +118,7 @@
return android_atomic_or(flags, &mTransactionFlags);
}
-bool LayerBase::setPosition(int32_t x, int32_t y) {
+bool LayerBase::setPosition(float x, float y) {
if (mCurrentState.transform.tx() == x && mCurrentState.transform.ty() == y)
return false;
mCurrentState.sequence++;
@@ -259,8 +258,6 @@
mOrientation = tr.getOrientation();
mTransform = tr;
mTransformedBounds = tr.makeBounds(w, h);
- mLeft = tr.tx();
- mTop = tr.ty();
}
void LayerBase::lockPageFlip(bool& recomputeVisibleRegions)
@@ -476,10 +473,10 @@
snprintf(buffer, SIZE,
"+ %s %p\n"
" "
- "z=%9d, pos=(%4d,%4d), size=(%4d,%4d), "
+ "z=%9d, pos=(%g,%g), size=(%4d,%4d), "
"isOpaque=%1d, needsDithering=%1d, invalidate=%1d, "
"alpha=0x%02x, flags=0x%08x, tr=[%.2f, %.2f][%.2f, %.2f]\n",
- getTypeId(), this, s.z, tx(), ty(), s.w, s.h,
+ getTypeId(), this, s.z, s.transform.tx(), s.transform.ty(), s.w, s.h,
isOpaque(), needsDithering(), contentDirty,
s.alpha, s.flags,
s.transform[0][0], s.transform[0][1],
diff --git a/services/surfaceflinger/LayerBase.h b/services/surfaceflinger/LayerBase.h
index 2cd3a94..d20f06a 100644
--- a/services/surfaceflinger/LayerBase.h
+++ b/services/surfaceflinger/LayerBase.h
@@ -84,7 +84,7 @@
String8 getName() const;
// modify current state
- bool setPosition(int32_t x, int32_t y);
+ bool setPosition(float x, float y);
bool setLayer(uint32_t z);
bool setSize(uint32_t w, uint32_t h);
bool setAlpha(uint8_t alpha);
@@ -217,8 +217,6 @@
inline State& currentState() { return mCurrentState; }
int32_t getOrientation() const { return mOrientation; }
- int tx() const { return mLeft; }
- int ty() const { return mTop; }
protected:
const GraphicPlane& graphicPlane(int dpy) const;
@@ -250,8 +248,6 @@
Transform mTransform;
GLfloat mVertices[4][2];
Rect mTransformedBounds;
- int mLeft;
- int mTop;
// these are protected by an external lock
State mCurrentState;
diff --git a/services/surfaceflinger/Transform.cpp b/services/surfaceflinger/Transform.cpp
index 05b7527..ba345ce 100644
--- a/services/surfaceflinger/Transform.cpp
+++ b/services/surfaceflinger/Transform.cpp
@@ -91,12 +91,12 @@
return type() > TRANSLATE;
}
-int Transform::tx() const {
- return floorf(mMatrix[2][0] + 0.5f);
+float Transform::tx() const {
+ return mMatrix[2][0];
}
-int Transform::ty() const {
- return floorf(mMatrix[2][1] + 0.5f);
+float Transform::ty() const {
+ return mMatrix[2][1];
}
void Transform::reset() {
@@ -239,7 +239,9 @@
out.set(transform(reg.bounds()));
}
} else {
- out = reg.translate(tx(), ty());
+ int xpos = floorf(tx() + 0.5f);
+ int ypos = floorf(ty() + 0.5f);
+ out = reg.translate(xpos, ypos);
}
return out;
}
diff --git a/services/surfaceflinger/Transform.h b/services/surfaceflinger/Transform.h
index 8fa5b86..ec74243 100644
--- a/services/surfaceflinger/Transform.h
+++ b/services/surfaceflinger/Transform.h
@@ -64,8 +64,8 @@
uint32_t getOrientation() const;
float const* operator [] (int i) const; // returns column i
- int tx() const;
- int ty() const;
+ float tx() const;
+ float ty() const;
// modify the transform
void reset();