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fix Layer croping in SurfaceFlinger 

Bug: 7224628
Change-Id: I9421f0a06b9a27fe00eefaa1dfab8c4309c380c9
This commit is contained in:
Mathias Agopian 2012-09-24 22:01:01 -07:00
parent e96e9e1093
commit a046dd9772
1 changed files with 11 additions and 12 deletions
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23
services/surfaceflinger/LayerBase.cpp
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@ -232,10 +232,9 @@ void LayerBase::computeGeometry(const sp<const DisplayDevice>& hw, LayerMesh* me
const Layer::State& s(drawingState());
const Transform tr(hw->getTransform() * s.transform);
const uint32_t hw_h = hw->getHeight();
const Rect& crop(s.active.crop);
Rect win(s.active.w, s.active.h);
if (!crop.isEmpty()) {
win.intersect(crop, &win);
if (!s.active.crop.isEmpty()) {
win.intersect(s.active.crop, &win);
}
if (mesh) {
tr.transform(mesh->mVertices[0], win.left, win.top);
@ -250,10 +249,9 @@ void LayerBase::computeGeometry(const sp<const DisplayDevice>& hw, LayerMesh* me
Rect LayerBase::computeBounds() const {
const Layer::State& s(drawingState());
const Rect& crop(s.active.crop);
Rect win(s.active.w, s.active.h);
if (!crop.isEmpty()) {
win.intersect(crop, &win);
if (!s.active.crop.isEmpty()) {
win.intersect(s.active.crop, &win);
}
return s.transform.transform(win);
}
@ -400,14 +398,15 @@ void LayerBase::drawWithOpenGL(const sp<const DisplayDevice>& hw, const Region&
GLfloat v;
};
Rect crop(s.active.w, s.active.h);
Rect win(s.active.w, s.active.h);
if (!s.active.crop.isEmpty()) {
crop = s.active.crop;
win.intersect(s.active.crop, &win);
}
GLfloat left = GLfloat(crop.left) / GLfloat(s.active.w);
GLfloat top = GLfloat(crop.top) / GLfloat(s.active.h);
GLfloat right = GLfloat(crop.right) / GLfloat(s.active.w);
GLfloat bottom = GLfloat(crop.bottom) / GLfloat(s.active.h);
GLfloat left = GLfloat(win.left) / GLfloat(s.active.w);
GLfloat top = GLfloat(win.top) / GLfloat(s.active.h);
GLfloat right = GLfloat(win.right) / GLfloat(s.active.w);
GLfloat bottom = GLfloat(win.bottom) / GLfloat(s.active.h);
TexCoords texCoords[4];
texCoords[0].u = left;