Get rid of LayerBase.
The functionality of LayerBase and Layer is folded
into Layer. There wasn't a need for this abstraction
anymore.
Change-Id: I66511c08cc3d89009ba4deabf47e26cd4cfeaefb
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 6245b6b..44ef0b8 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -19,6 +19,7 @@
#include <stdlib.h>
#include <stdint.h>
#include <sys/types.h>
+#include <math.h>
#include <cutils/compiler.h>
#include <cutils/native_handle.h>
@@ -49,37 +50,39 @@
// ---------------------------------------------------------------------------
+int32_t Layer::sSequence = 1;
+
Layer::Layer(SurfaceFlinger* flinger, const sp<Client>& client)
- : LayerBase(flinger, client),
+ : contentDirty(false),
+ sequence(uint32_t(android_atomic_inc(&sSequence))),
+ mFlinger(flinger),
mTextureName(-1U),
+ mPremultipliedAlpha(true),
+ mName("unnamed"),
+ mDebug(false),
+ mFormat(PIXEL_FORMAT_NONE),
+ mGLExtensions(GLExtensions::getInstance()),
+ mOpaqueLayer(true),
+ mTransactionFlags(0),
mQueuedFrames(0),
mCurrentTransform(0),
mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
mCurrentOpacity(true),
mRefreshPending(false),
mFrameLatencyNeeded(false),
- mFormat(PIXEL_FORMAT_NONE),
- mGLExtensions(GLExtensions::getInstance()),
- mOpaqueLayer(true),
+ mFiltering(false),
+ mNeedsFiltering(false),
mSecure(false),
- mProtectedByApp(false)
+ mProtectedByApp(false),
+ mHasSurface(false),
+ mClientRef(client)
{
mCurrentCrop.makeInvalid();
glGenTextures(1, &mTextureName);
}
-void Layer::onLayerDisplayed(const sp<const DisplayDevice>& hw,
- HWComposer::HWCLayerInterface* layer) {
- LayerBase::onLayerDisplayed(hw, layer);
- if (layer) {
- mSurfaceFlingerConsumer->setReleaseFence(layer->getAndResetReleaseFenceFd());
- }
-}
-
void Layer::onFirstRef()
{
- LayerBase::onFirstRef();
-
// Creates a custom BufferQueue for SurfaceFlingerConsumer to use
sp<BufferQueue> bq = new SurfaceTextureLayer();
mSurfaceFlingerConsumer = new SurfaceFlingerConsumer(mTextureName, true,
@@ -102,9 +105,25 @@
Layer::~Layer()
{
+ sp<Client> c(mClientRef.promote());
+ if (c != 0) {
+ c->detachLayer(this);
+ }
mFlinger->deleteTextureAsync(mTextureName);
}
+// ---------------------------------------------------------------------------
+// callbacks
+// ---------------------------------------------------------------------------
+
+void Layer::onLayerDisplayed(const sp<const DisplayDevice>& hw,
+ HWComposer::HWCLayerInterface* layer) {
+ if (layer) {
+ layer->onDisplayed();
+ mSurfaceFlingerConsumer->setReleaseFence(layer->getAndResetReleaseFenceFd());
+ }
+}
+
void Layer::onFrameAvailable() {
android_atomic_inc(&mQueuedFrames);
mFlinger->signalLayerUpdate();
@@ -112,56 +131,45 @@
// called with SurfaceFlinger::mStateLock as soon as the layer is entered
// in the purgatory list
-void Layer::onRemoved()
-{
+void Layer::onRemoved() {
mSurfaceFlingerConsumer->abandon();
}
+// ---------------------------------------------------------------------------
+// set-up
+// ---------------------------------------------------------------------------
+
void Layer::setName(const String8& name) {
- LayerBase::setName(name);
+ mName = name;
mSurfaceFlingerConsumer->setName(name);
}
-sp<ISurface> Layer::createSurface()
-{
- /*
- * This class provides an implementation of BnSurface (the "native" or
- * "remote" side of the Binder IPC interface ISurface), and mixes in
- * LayerCleaner to ensure that mFlinger->onLayerDestroyed() is called for
- * this layer when the BSurface is destroyed.
- *
- * The idea is to provide a handle to the Layer through ISurface that
- * is cleaned up automatically when the last reference to the ISurface
- * goes away. (The references will be held on the "proxy" side, while
- * the Layer exists on the "native" side.)
- *
- * The Layer has a reference to an instance of SurfaceFlinger's variant
- * of GLConsumer, which holds a reference to the BufferQueue. The
- * getSurfaceTexture() call returns a Binder interface reference for
- * the producer interface of the buffer queue associated with the Layer.
- */
- class BSurface : public BnSurface, public LayerCleaner {
- wp<const Layer> mOwner;
- virtual sp<IGraphicBufferProducer> getSurfaceTexture() const {
- sp<IGraphicBufferProducer> res;
- sp<const Layer> that( mOwner.promote() );
- if (that != NULL) {
- res = that->mSurfaceFlingerConsumer->getBufferQueue();
- }
- return res;
- }
- public:
- BSurface(const sp<SurfaceFlinger>& flinger,
- const sp<Layer>& layer)
- : LayerCleaner(flinger, layer), mOwner(layer) { }
- };
- sp<ISurface> sur(new BSurface(mFlinger, this));
- return sur;
+String8 Layer::getName() const {
+ return mName;
}
-wp<IBinder> Layer::getSurfaceTextureBinder() const
+void Layer::initStates(uint32_t w, uint32_t h, uint32_t flags)
{
- return mSurfaceFlingerConsumer->getBufferQueue()->asBinder();
+ uint32_t layerFlags = 0;
+ if (flags & ISurfaceComposerClient::eHidden)
+ layerFlags = layer_state_t::eLayerHidden;
+
+ if (flags & ISurfaceComposerClient::eNonPremultiplied)
+ mPremultipliedAlpha = false;
+
+ mCurrentState.active.w = w;
+ mCurrentState.active.h = h;
+ mCurrentState.active.crop.makeInvalid();
+ mCurrentState.z = 0;
+ mCurrentState.alpha = 0xFF;
+ mCurrentState.layerStack = 0;
+ mCurrentState.flags = layerFlags;
+ mCurrentState.sequence = 0;
+ mCurrentState.transform.set(0, 0);
+ mCurrentState.requested = mCurrentState.active;
+
+ // drawing state & current state are identical
+ mDrawingState = mCurrentState;
}
status_t Layer::setBuffers( uint32_t w, uint32_t h,
@@ -199,6 +207,63 @@
return NO_ERROR;
}
+sp<ISurface> Layer::createSurface() {
+ /*
+ * This class provides an implementation of BnSurface (the "native" or
+ * "remote" side of the Binder IPC interface ISurface), and mixes in
+ * LayerCleaner to ensure that mFlinger->onLayerDestroyed() is called for
+ * this layer when the BSurface is destroyed.
+ *
+ * The idea is to provide a handle to the Layer through ISurface that
+ * is cleaned up automatically when the last reference to the ISurface
+ * goes away. (The references will be held on the "proxy" side, while
+ * the Layer exists on the "native" side.)
+ *
+ * The Layer has a reference to an instance of SurfaceFlinger's variant
+ * of GLConsumer, which holds a reference to the BufferQueue. The
+ * getSurfaceTexture() call returns a Binder interface reference for
+ * the producer interface of the buffer queue associated with the Layer.
+ */
+ class BSurface : public BnSurface, public LayerCleaner {
+ wp<const Layer> mOwner;
+ virtual sp<IGraphicBufferProducer> getSurfaceTexture() const {
+ sp<IGraphicBufferProducer> res;
+ sp<const Layer> that( mOwner.promote() );
+ if (that != NULL) {
+ res = that->mSurfaceFlingerConsumer->getBufferQueue();
+ }
+ return res;
+ }
+ public:
+ BSurface(const sp<SurfaceFlinger>& flinger,
+ const sp<Layer>& layer)
+ : LayerCleaner(flinger, layer), mOwner(layer) { }
+ };
+ sp<ISurface> sur(new BSurface(mFlinger, this));
+ return sur;
+}
+
+wp<IBinder> Layer::getSurfaceTextureBinder() const {
+ return mSurfaceFlingerConsumer->getBufferQueue()->asBinder();
+}
+
+sp<ISurface> Layer::getSurface()
+{
+ sp<ISurface> s;
+ Mutex::Autolock _l(mLock);
+
+ LOG_ALWAYS_FATAL_IF(mHasSurface,
+ "Layer::getSurface() has already been called");
+
+ mHasSurface = true;
+ s = createSurface();
+ return s;
+}
+
+// ---------------------------------------------------------------------------
+// h/w composer set-up
+// ---------------------------------------------------------------------------
+
Rect Layer::getContentCrop() const {
// this is the crop rectangle that applies to the buffer
// itself (as opposed to the window)
@@ -220,11 +285,85 @@
return mCurrentTransform;
}
+Rect Layer::computeBounds() const {
+ const Layer::State& s(drawingState());
+ Rect win(s.active.w, s.active.h);
+ if (!s.active.crop.isEmpty()) {
+ win.intersect(s.active.crop, &win);
+ }
+ return win;
+}
+
+Rect Layer::computeCrop(const sp<const DisplayDevice>& hw) const {
+ /*
+ * The way we compute the crop (aka. texture coordinates when we have a
+ * Layer) produces a different output from the GL code in
+ * drawWithOpenGL() due to HWC being limited to integers. The difference
+ * can be large if getContentTransform() contains a large scale factor.
+ * See comments in drawWithOpenGL() for more details.
+ */
+
+ // the content crop is the area of the content that gets scaled to the
+ // layer's size.
+ Rect crop(getContentCrop());
+
+ // the active.crop is the area of the window that gets cropped, but not
+ // scaled in any ways.
+ const State& s(drawingState());
+
+ // apply the projection's clipping to the window crop in
+ // layerstack space, and convert-back to layer space.
+ // if there are no window scaling (or content scaling) involved,
+ // this operation will map to full pixels in the buffer.
+ // NOTE: should we revert to GL composition if a scaling is involved
+ // since it cannot be represented in the HWC API?
+ Rect activeCrop(s.transform.transform(s.active.crop));
+ activeCrop.intersect(hw->getViewport(), &activeCrop);
+ activeCrop = s.transform.inverse().transform(activeCrop);
+
+ // paranoia: make sure the window-crop is constrained in the
+ // window's bounds
+ activeCrop.intersect(Rect(s.active.w, s.active.h), &activeCrop);
+
+ if (!activeCrop.isEmpty()) {
+ // Transform the window crop to match the buffer coordinate system,
+ // which means using the inverse of the current transform set on the
+ // SurfaceFlingerConsumer.
+ uint32_t invTransform = getContentTransform();
+ int winWidth = s.active.w;
+ int winHeight = s.active.h;
+ if (invTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
+ invTransform ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |
+ NATIVE_WINDOW_TRANSFORM_FLIP_H;
+ winWidth = s.active.h;
+ winHeight = s.active.w;
+ }
+ const Rect winCrop = activeCrop.transform(
+ invTransform, s.active.w, s.active.h);
+
+ // the code below essentially performs a scaled intersection
+ // of crop and winCrop
+ float xScale = float(crop.width()) / float(winWidth);
+ float yScale = float(crop.height()) / float(winHeight);
+
+ int insetL = int(ceilf( winCrop.left * xScale));
+ int insetT = int(ceilf( winCrop.top * yScale));
+ int insetR = int(ceilf((winWidth - winCrop.right ) * xScale));
+ int insetB = int(ceilf((winHeight - winCrop.bottom) * yScale));
+
+ crop.left += insetL;
+ crop.top += insetT;
+ crop.right -= insetR;
+ crop.bottom -= insetB;
+ }
+ return crop;
+}
+
void Layer::setGeometry(
const sp<const DisplayDevice>& hw,
HWComposer::HWCLayerInterface& layer)
{
- LayerBase::setGeometry(hw, layer);
+ layer.setDefaultState();
// enable this layer
layer.setSkip(false);
@@ -233,7 +372,21 @@
layer.setSkip(true);
}
+ // this gives us only the "orientation" component of the transform
const State& s(drawingState());
+ if (!isOpaque() || s.alpha != 0xFF) {
+ layer.setBlending(mPremultipliedAlpha ?
+ HWC_BLENDING_PREMULT :
+ HWC_BLENDING_COVERAGE);
+ }
+
+ // apply the layer's transform, followed by the display's global transform
+ // here we're guaranteed that the layer's transform preserves rects
+ Rect frame(s.transform.transform(computeBounds()));
+ frame.intersect(hw->getViewport(), &frame);
+ const Transform& tr(hw->getTransform());
+ layer.setFrame(tr.transform(frame));
+ layer.setCrop(computeCrop(hw));
layer.setPlaneAlpha(s.alpha);
/*
@@ -245,22 +398,29 @@
*/
const Transform bufferOrientation(mCurrentTransform);
- const Transform tr(hw->getTransform() * s.transform * bufferOrientation);
+ const Transform transform(tr * s.transform * bufferOrientation);
// this gives us only the "orientation" component of the transform
- const uint32_t finalTransform = tr.getOrientation();
-
- // we can only handle simple transformation
- if (finalTransform & Transform::ROT_INVALID) {
+ const uint32_t orientation = transform.getOrientation();
+ if (orientation & Transform::ROT_INVALID) {
+ // we can only handle simple transformation
layer.setSkip(true);
} else {
- layer.setTransform(finalTransform);
+ layer.setTransform(orientation);
}
}
void Layer::setPerFrameData(const sp<const DisplayDevice>& hw,
HWComposer::HWCLayerInterface& layer) {
- LayerBase::setPerFrameData(hw, layer);
+ // we have to set the visible region on every frame because
+ // we currently free it during onLayerDisplayed(), which is called
+ // after HWComposer::commit() -- every frame.
+ // Apply this display's projection's viewport to the visible region
+ // before giving it to the HWC HAL.
+ const Transform& tr = hw->getTransform();
+ Region visible = tr.transform(visibleRegion.intersect(hw->getViewport()));
+ layer.setVisibleRegionScreen(visible);
+
// NOTE: buffer can be NULL if the client never drew into this
// layer yet, or if we ran out of memory
layer.setBuffer(mActiveBuffer);
@@ -285,6 +445,18 @@
layer.setAcquireFenceFd(fenceFd);
}
+// ---------------------------------------------------------------------------
+// drawing...
+// ---------------------------------------------------------------------------
+
+void Layer::draw(const sp<const DisplayDevice>& hw, const Region& clip) const {
+ onDraw(hw, clip);
+}
+
+void Layer::draw(const sp<const DisplayDevice>& hw) {
+ onDraw( hw, Region(hw->bounds()) );
+}
+
void Layer::onDraw(const sp<const DisplayDevice>& hw, const Region& clip) const
{
ATRACE_CALL();
@@ -304,8 +476,8 @@
mFlinger->mDrawingState.layersSortedByZ);
const size_t count = drawingLayers.size();
for (size_t i=0 ; i<count ; ++i) {
- const sp<LayerBase>& layer(drawingLayers[i]);
- if (layer.get() == static_cast<LayerBase const*>(this))
+ const sp<Layer>& layer(drawingLayers[i]);
+ if (layer.get() == static_cast<Layer const*>(this))
break;
under.orSelf( hw->getTransform().transform(layer->visibleRegion) );
}
@@ -365,6 +537,119 @@
glDisable(GL_TEXTURE_2D);
}
+
+void Layer::clearWithOpenGL(const sp<const DisplayDevice>& hw, const Region& clip,
+ GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) const
+{
+ const uint32_t fbHeight = hw->getHeight();
+ glColor4f(red,green,blue,alpha);
+
+ glDisable(GL_TEXTURE_EXTERNAL_OES);
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_BLEND);
+
+ LayerMesh mesh;
+ computeGeometry(hw, &mesh);
+
+ glVertexPointer(2, GL_FLOAT, 0, mesh.getVertices());
+ glDrawArrays(GL_TRIANGLE_FAN, 0, mesh.getVertexCount());
+}
+
+void Layer::clearWithOpenGL(
+ const sp<const DisplayDevice>& hw, const Region& clip) const {
+ clearWithOpenGL(hw, clip, 0,0,0,0);
+}
+
+void Layer::drawWithOpenGL(
+ const sp<const DisplayDevice>& hw, const Region& clip) const {
+ const uint32_t fbHeight = hw->getHeight();
+ const State& s(drawingState());
+
+ GLenum src = mPremultipliedAlpha ? GL_ONE : GL_SRC_ALPHA;
+ if (CC_UNLIKELY(s.alpha < 0xFF)) {
+ const GLfloat alpha = s.alpha * (1.0f/255.0f);
+ if (mPremultipliedAlpha) {
+ glColor4f(alpha, alpha, alpha, alpha);
+ } else {
+ glColor4f(1, 1, 1, alpha);
+ }
+ glEnable(GL_BLEND);
+ glBlendFunc(src, GL_ONE_MINUS_SRC_ALPHA);
+ glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+ } else {
+ glColor4f(1, 1, 1, 1);
+ glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ if (!isOpaque()) {
+ glEnable(GL_BLEND);
+ glBlendFunc(src, GL_ONE_MINUS_SRC_ALPHA);
+ } else {
+ glDisable(GL_BLEND);
+ }
+ }
+
+ LayerMesh mesh;
+ computeGeometry(hw, &mesh);
+
+ // TODO: we probably want to generate the texture coords with the mesh
+ // here we assume that we only have 4 vertices
+
+ struct TexCoords {
+ GLfloat u;
+ GLfloat v;
+ };
+
+
+ /*
+ * NOTE: the way we compute the texture coordinates here produces
+ * different results than when we take the HWC path -- in the later case
+ * the "source crop" is rounded to texel boundaries.
+ * This can produce significantly different results when the texture
+ * is scaled by a large amount.
+ *
+ * The GL code below is more logical (imho), and the difference with
+ * HWC is due to a limitation of the HWC API to integers -- a question
+ * is suspend is wether we should ignore this problem or revert to
+ * GL composition when a buffer scaling is applied (maybe with some
+ * minimal value)? Or, we could make GL behave like HWC -- but this feel
+ * like more of a hack.
+ */
+ const Rect win(computeBounds());
+
+ 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;
+ texCoords[0].v = top;
+ texCoords[1].u = left;
+ texCoords[1].v = bottom;
+ texCoords[2].u = right;
+ texCoords[2].v = bottom;
+ texCoords[3].u = right;
+ texCoords[3].v = top;
+ for (int i = 0; i < 4; i++) {
+ texCoords[i].v = 1.0f - texCoords[i].v;
+ }
+
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+ glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
+ glVertexPointer(2, GL_FLOAT, 0, mesh.getVertices());
+ glDrawArrays(GL_TRIANGLE_FAN, 0, mesh.getVertexCount());
+
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+ glDisable(GL_BLEND);
+}
+
+void Layer::setFiltering(bool filtering) {
+ mFiltering = filtering;
+}
+
+bool Layer::getFiltering() const {
+ return mFiltering;
+}
+
// As documented in libhardware header, formats in the range
// 0x100 - 0x1FF are specific to the HAL implementation, and
// are known to have no alpha channel
@@ -383,6 +668,29 @@
return (err || info.h_alpha <= info.l_alpha);
}
+// ----------------------------------------------------------------------------
+// local state
+// ----------------------------------------------------------------------------
+
+void Layer::computeGeometry(const sp<const DisplayDevice>& hw, LayerMesh* mesh) const
+{
+ const Layer::State& s(drawingState());
+ const Transform tr(hw->getTransform() * s.transform);
+ const uint32_t hw_h = hw->getHeight();
+ Rect win(s.active.w, s.active.h);
+ if (!s.active.crop.isEmpty()) {
+ win.intersect(s.active.crop, &win);
+ }
+ if (mesh) {
+ tr.transform(mesh->mVertices[0], win.left, win.top);
+ tr.transform(mesh->mVertices[1], win.left, win.bottom);
+ tr.transform(mesh->mVertices[2], win.right, win.bottom);
+ tr.transform(mesh->mVertices[3], win.right, win.top);
+ for (size_t i=0 ; i<4 ; i++) {
+ mesh->mVertices[i][1] = hw_h - mesh->mVertices[i][1];
+ }
+ }
+}
bool Layer::isOpaque() const
{
@@ -404,8 +712,39 @@
(activeBuffer->getUsage() & GRALLOC_USAGE_PROTECTED);
}
-uint32_t Layer::doTransaction(uint32_t flags)
-{
+bool Layer::isFixedSize() const {
+ return mCurrentScalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE;
+}
+
+bool Layer::isCropped() const {
+ return !mCurrentCrop.isEmpty();
+}
+
+bool Layer::needsFiltering(const sp<const DisplayDevice>& hw) const {
+ return mNeedsFiltering || hw->needsFiltering();
+}
+
+void Layer::setVisibleRegion(const Region& visibleRegion) {
+ // always called from main thread
+ this->visibleRegion = visibleRegion;
+}
+
+void Layer::setCoveredRegion(const Region& coveredRegion) {
+ // always called from main thread
+ this->coveredRegion = coveredRegion;
+}
+
+void Layer::setVisibleNonTransparentRegion(const Region&
+ setVisibleNonTransparentRegion) {
+ // always called from main thread
+ this->visibleNonTransparentRegion = setVisibleNonTransparentRegion;
+}
+
+// ----------------------------------------------------------------------------
+// transaction
+// ----------------------------------------------------------------------------
+
+uint32_t Layer::doTransaction(uint32_t flags) {
ATRACE_CALL();
const Layer::State& front(drawingState());
@@ -464,7 +803,7 @@
(temp.requested.h != temp.active.h);
if (resizePending) {
- // don't let LayerBase::doTransaction update the drawing state
+ // don't let Layer::doTransaction update the drawing state
// if we have a pending resize, unless we are in fixed-size mode.
// the drawing state will be updated only once we receive a buffer
// with the correct size.
@@ -477,15 +816,117 @@
}
}
- return LayerBase::doTransaction(flags);
+ // always set active to requested, unless we're asked not to
+ // this is used by Layer, which special cases resizes.
+ if (flags & eDontUpdateGeometryState) {
+ } else {
+ Layer::State& editTemp(currentState());
+ editTemp.active = temp.requested;
+ }
+
+ if (front.active != temp.active) {
+ // invalidate and recompute the visible regions if needed
+ flags |= Layer::eVisibleRegion;
+ }
+
+ if (temp.sequence != front.sequence) {
+ // invalidate and recompute the visible regions if needed
+ flags |= eVisibleRegion;
+ this->contentDirty = true;
+
+ // we may use linear filtering, if the matrix scales us
+ const uint8_t type = temp.transform.getType();
+ mNeedsFiltering = (!temp.transform.preserveRects() ||
+ (type >= Transform::SCALE));
+ }
+
+ // Commit the transaction
+ commitTransaction();
+ return flags;
}
-bool Layer::isFixedSize() const {
- return mCurrentScalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE;
+void Layer::commitTransaction() {
+ mDrawingState = mCurrentState;
}
-bool Layer::isCropped() const {
- return !mCurrentCrop.isEmpty();
+uint32_t Layer::getTransactionFlags(uint32_t flags) {
+ return android_atomic_and(~flags, &mTransactionFlags) & flags;
+}
+
+uint32_t Layer::setTransactionFlags(uint32_t flags) {
+ return android_atomic_or(flags, &mTransactionFlags);
+}
+
+bool Layer::setPosition(float x, float y) {
+ if (mCurrentState.transform.tx() == x && mCurrentState.transform.ty() == y)
+ return false;
+ mCurrentState.sequence++;
+ mCurrentState.transform.set(x, y);
+ setTransactionFlags(eTransactionNeeded);
+ return true;
+}
+bool Layer::setLayer(uint32_t z) {
+ if (mCurrentState.z == z)
+ return false;
+ mCurrentState.sequence++;
+ mCurrentState.z = z;
+ setTransactionFlags(eTransactionNeeded);
+ return true;
+}
+bool Layer::setSize(uint32_t w, uint32_t h) {
+ if (mCurrentState.requested.w == w && mCurrentState.requested.h == h)
+ return false;
+ mCurrentState.requested.w = w;
+ mCurrentState.requested.h = h;
+ setTransactionFlags(eTransactionNeeded);
+ return true;
+}
+bool Layer::setAlpha(uint8_t alpha) {
+ if (mCurrentState.alpha == alpha)
+ return false;
+ mCurrentState.sequence++;
+ mCurrentState.alpha = alpha;
+ setTransactionFlags(eTransactionNeeded);
+ return true;
+}
+bool Layer::setMatrix(const layer_state_t::matrix22_t& matrix) {
+ mCurrentState.sequence++;
+ mCurrentState.transform.set(
+ matrix.dsdx, matrix.dsdy, matrix.dtdx, matrix.dtdy);
+ setTransactionFlags(eTransactionNeeded);
+ return true;
+}
+bool Layer::setTransparentRegionHint(const Region& transparent) {
+ mCurrentState.sequence++;
+ mCurrentState.transparentRegion = transparent;
+ setTransactionFlags(eTransactionNeeded);
+ return true;
+}
+bool Layer::setFlags(uint8_t flags, uint8_t mask) {
+ const uint32_t newFlags = (mCurrentState.flags & ~mask) | (flags & mask);
+ if (mCurrentState.flags == newFlags)
+ return false;
+ mCurrentState.sequence++;
+ mCurrentState.flags = newFlags;
+ setTransactionFlags(eTransactionNeeded);
+ return true;
+}
+bool Layer::setCrop(const Rect& crop) {
+ if (mCurrentState.requested.crop == crop)
+ return false;
+ mCurrentState.sequence++;
+ mCurrentState.requested.crop = crop;
+ setTransactionFlags(eTransactionNeeded);
+ return true;
+}
+
+bool Layer::setLayerStack(uint32_t layerStack) {
+ if (mCurrentState.layerStack == layerStack)
+ return false;
+ mCurrentState.sequence++;
+ mCurrentState.layerStack = layerStack;
+ setTransactionFlags(eTransactionNeeded);
+ return true;
}
// ----------------------------------------------------------------------------
@@ -528,7 +969,9 @@
}
bool Layer::isVisible() const {
- return LayerBase::isVisible() && (mActiveBuffer != NULL);
+ const Layer::State& s(mDrawingState);
+ return !(s.flags & layer_state_t::eLayerHidden) && s.alpha
+ && (mActiveBuffer != NULL);
}
Region Layer::latchBuffer(bool& recomputeVisibleRegions)
@@ -702,44 +1145,6 @@
return outDirtyRegion;
}
-void Layer::dump(String8& result, char* buffer, size_t SIZE) const
-{
- LayerBase::dump(result, buffer, SIZE);
-
- sp<const GraphicBuffer> buf0(mActiveBuffer);
- uint32_t w0=0, h0=0, s0=0, f0=0;
- if (buf0 != 0) {
- w0 = buf0->getWidth();
- h0 = buf0->getHeight();
- s0 = buf0->getStride();
- f0 = buf0->format;
- }
- snprintf(buffer, SIZE,
- " "
- "format=%2d, activeBuffer=[%4ux%4u:%4u,%3X],"
- " queued-frames=%d, mRefreshPending=%d\n",
- mFormat, w0, h0, s0,f0,
- mQueuedFrames, mRefreshPending);
-
- result.append(buffer);
-
- if (mSurfaceFlingerConsumer != 0) {
- mSurfaceFlingerConsumer->dump(result, " ", buffer, SIZE);
- }
-}
-
-void Layer::dumpStats(String8& result, char* buffer, size_t SIZE) const
-{
- LayerBase::dumpStats(result, buffer, SIZE);
- mFrameTracker.dump(result);
-}
-
-void Layer::clearStats()
-{
- LayerBase::clearStats();
- mFrameTracker.clear();
-}
-
uint32_t Layer::getEffectiveUsage(uint32_t usage) const
{
// TODO: should we do something special if mSecure is set?
@@ -766,6 +1171,86 @@
mSurfaceFlingerConsumer->setTransformHint(orientation);
}
+// ----------------------------------------------------------------------------
+// debugging
+// ----------------------------------------------------------------------------
+
+void Layer::dump(String8& result, char* buffer, size_t SIZE) const
+{
+ const Layer::State& s(drawingState());
+
+ snprintf(buffer, SIZE,
+ "+ %s %p (%s)\n",
+ getTypeId(), this, getName().string());
+ result.append(buffer);
+
+ s.transparentRegion.dump(result, "transparentRegion");
+ visibleRegion.dump(result, "visibleRegion");
+ sp<Client> client(mClientRef.promote());
+
+ snprintf(buffer, SIZE,
+ " "
+ "layerStack=%4d, z=%9d, pos=(%g,%g), size=(%4d,%4d), crop=(%4d,%4d,%4d,%4d), "
+ "isOpaque=%1d, invalidate=%1d, "
+ "alpha=0x%02x, flags=0x%08x, tr=[%.2f, %.2f][%.2f, %.2f]\n"
+ " client=%p\n",
+ s.layerStack, s.z, s.transform.tx(), s.transform.ty(), s.active.w, s.active.h,
+ s.active.crop.left, s.active.crop.top,
+ s.active.crop.right, s.active.crop.bottom,
+ isOpaque(), contentDirty,
+ s.alpha, s.flags,
+ s.transform[0][0], s.transform[0][1],
+ s.transform[1][0], s.transform[1][1],
+ client.get());
+ result.append(buffer);
+
+ sp<const GraphicBuffer> buf0(mActiveBuffer);
+ uint32_t w0=0, h0=0, s0=0, f0=0;
+ if (buf0 != 0) {
+ w0 = buf0->getWidth();
+ h0 = buf0->getHeight();
+ s0 = buf0->getStride();
+ f0 = buf0->format;
+ }
+ snprintf(buffer, SIZE,
+ " "
+ "format=%2d, activeBuffer=[%4ux%4u:%4u,%3X],"
+ " queued-frames=%d, mRefreshPending=%d\n",
+ mFormat, w0, h0, s0,f0,
+ mQueuedFrames, mRefreshPending);
+
+ result.append(buffer);
+
+ if (mSurfaceFlingerConsumer != 0) {
+ mSurfaceFlingerConsumer->dump(result, " ", buffer, SIZE);
+ }
+}
+
+
+void Layer::shortDump(String8& result, char* scratch, size_t size) const {
+ Layer::dump(result, scratch, size);
+}
+
+void Layer::dumpStats(String8& result, char* buffer, size_t SIZE) const {
+ mFrameTracker.dump(result);
+}
+
+void Layer::clearStats() {
+ mFrameTracker.clear();
+}
+
+// ---------------------------------------------------------------------------
+
+Layer::LayerCleaner::LayerCleaner(const sp<SurfaceFlinger>& flinger,
+ const sp<Layer>& layer)
+ : mFlinger(flinger), mLayer(layer) {
+}
+
+Layer::LayerCleaner::~LayerCleaner() {
+ // destroy client resources
+ mFlinger->onLayerDestroyed(mLayer);
+}
+
// ---------------------------------------------------------------------------