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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
This commit is contained in:
Mathias Agopian 2011-08-30 18:51:54 -07:00
parent 4e92d140ef
commit 41b6aabf35
7 changed files with 19 additions and 24 deletions
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4
include/private/surfaceflinger/LayerState.h
View File

@ -54,8 +54,8 @@ struct layer_state_t {
};
SurfaceID surface;
uint32_t what;
int32_t x;
int32_t y;
float x;
float y;
uint32_t z;
uint32_t w;
uint32_t h;

2
include/surfaceflinger/SurfaceComposerClient.h
View File

@ -145,7 +145,7 @@ public:
status_t setAlpha(SurfaceID id, float alpha=1.0f);
status_t setFreezeTint(SurfaceID id, uint32_t tint);
status_t setMatrix(SurfaceID id, float dsdx, float dtdx, float dsdy, float dtdy);
status_t setPosition(SurfaceID id, int32_t x, int32_t y);
status_t setPosition(SurfaceID id, float x, float y);
status_t setSize(SurfaceID id, uint32_t w, uint32_t h);
status_t destroySurface(SurfaceID sid);

6
libs/gui/SurfaceComposerClient.cpp
View File

@ -102,7 +102,7 @@ class Composer : public Singleton<Composer>
public:
status_t setPosition(const sp<SurfaceComposerClient>& client, SurfaceID id,
int32_t x, int32_t y);
float x, float y);
status_t setSize(const sp<SurfaceComposerClient>& client, SurfaceID id,
uint32_t w, uint32_t h);
status_t setLayer(const sp<SurfaceComposerClient>& client, SurfaceID id,
@ -161,7 +161,7 @@ layer_state_t* Composer::getLayerStateLocked(
}
status_t Composer::setPosition(const sp<SurfaceComposerClient>& client,
SurfaceID id, int32_t x, int32_t y) {
SurfaceID id, float x, float y) {
Mutex::Autolock _l(mLock);
layer_state_t* s = getLayerStateLocked(client, id);
if (!s)
@ -372,7 +372,7 @@ status_t SurfaceComposerClient::setFreezeTint(SurfaceID id, uint32_t tint) {
return getComposer().setFreezeTint(this, id, tint);
}
status_t SurfaceComposerClient::setPosition(SurfaceID id, int32_t x, int32_t y) {
status_t SurfaceComposerClient::setPosition(SurfaceID id, float x, float y) {
return getComposer().setPosition(this, id, x, y);
}

9
services/surfaceflinger/LayerBase.cpp
View File

@ -45,7 +45,6 @@ LayerBase::LayerBase(SurfaceFlinger* flinger, DisplayID display)
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 @@ uint32_t LayerBase::setTransactionFlags(uint32_t flags) {
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 @@ void LayerBase::validateVisibility(const Transform& planeTransform)
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 @@ void LayerBase::dump(String8& result, char* buffer, size_t SIZE) const
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],

6
services/surfaceflinger/LayerBase.h
View File

@ -84,7 +84,7 @@ public:
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 @@ public:
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 @@ protected:
Transform mTransform;
GLfloat mVertices[4][2];
Rect mTransformedBounds;
int mLeft;
int mTop;
// these are protected by an external lock
State mCurrentState;

12
services/surfaceflinger/Transform.cpp
View File

@ -91,12 +91,12 @@ bool Transform::transformed() const {
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 @@ Region Transform::transform(const Region& reg) const
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;
}

4
services/surfaceflinger/Transform.h
View File

@ -64,8 +64,8 @@ public:
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();