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Commit cb54b2a4 authored by Mathias Agopian's avatar Mathias Agopian Committed by Android Git Automerger
Browse files

am 41cb1b5f: Merge changes I53d70510,If34a05f3 into jb-mr1-dev

* commit '41cb1b5f':
  add support hwc 1.1
  refactor things a bit
parents 8e7e5399 41cb1b5f
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+26 −0
Original line number Diff line number Diff line
@@ -183,6 +183,32 @@ void DisplayDevice::flip(const Region& dirty) const
    mPageFlipCount++;
}

void DisplayDevice::swapBuffers(HWComposer& hwc) const {
    if (hwc.initCheck() != NO_ERROR) {
        // no HWC, we call eglSwapBuffers()
        eglSwapBuffers(mDisplay, mSurface);
    } else {
        if (hwc.hasGlesComposition(mType)) {
            if (hwc.supportsFramebufferTarget() ||
                    mType >= DisplayDevice::DISPLAY_VIRTUAL) {
                // as of hwc 1.1 we always call eglSwapBuffers, however,
                // on older versions of HWC, we need to call it only on
                // virtual displays
                eglSwapBuffers(mDisplay, mSurface);
            }
        }
    }
}

void DisplayDevice::onSwapBuffersCompleted(HWComposer& hwc) const {
    if (hwc.initCheck() == NO_ERROR) {
        if (hwc.supportsFramebufferTarget()) {
            int fd = hwc.getAndResetReleaseFenceFd(mType);
            mFramebufferSurface->setReleaseFenceFd(fd);
        }
    }
}

uint32_t DisplayDevice::getFlags() const
{
    return mFlags;
+5 −0
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ class DisplayInfo;
class FramebufferSurface;
class LayerBase;
class SurfaceFlinger;
class HWComposer;

class DisplayDevice : public LightRefBase<DisplayDevice>
{
@@ -106,8 +107,12 @@ public:
    int32_t                 getHwcDisplayId() const { return mHwcDisplayId; }
    const wp<IBinder>&      getDisplayToken() const { return mDisplayToken; }

    void swapBuffers(HWComposer& hwc) const;
    status_t compositionComplete() const;
    
    // called after h/w composer has completed its set() call
    void onSwapBuffersCompleted(HWComposer& hwc) const;

    Rect getBounds() const {
        return Rect(mDisplayWidth, mDisplayHeight);
    }
+21 −18
Original line number Diff line number Diff line
@@ -74,15 +74,13 @@ FramebufferSurface::FramebufferSurface(HWComposer& hwc) :
    mBufferQueue->setDefaultMaxBufferCount(NUM_FRAME_BUFFERS);
}

status_t FramebufferSurface::nextBuffer(sp<GraphicBuffer>* buffer) {
status_t FramebufferSurface::nextBuffer(sp<GraphicBuffer>& outBuffer, sp<Fence>& outFence) {
    Mutex::Autolock lock(mMutex);

    BufferQueue::BufferItem item;
    status_t err = acquireBufferLocked(&item);
    if (err == BufferQueue::NO_BUFFER_AVAILABLE) {
        if (buffer != NULL) {
            *buffer = mCurrentBuffer;
        }
        outBuffer = mCurrentBuffer;
        return NO_ERROR;
    } else if (err != NO_ERROR) {
        ALOGE("error acquiring buffer: %s (%d)", strerror(-err), err);
@@ -107,32 +105,24 @@ status_t FramebufferSurface::nextBuffer(sp<GraphicBuffer>* buffer) {
            return err;
        }
    }

    mCurrentBufferSlot = item.mBuf;
    mCurrentBuffer = mSlots[mCurrentBufferSlot].mGraphicBuffer;
    if (item.mFence != NULL) {
        item.mFence->wait(Fence::TIMEOUT_NEVER);
    }

    if (buffer != NULL) {
        *buffer = mCurrentBuffer;
    }

    outFence = item.mFence;
    outBuffer = mCurrentBuffer;
    return NO_ERROR;
}

// Overrides ConsumerBase::onFrameAvailable(), does not call base class impl.
void FramebufferSurface::onFrameAvailable() {
    // XXX: The following code is here temporarily as part of the transition
    // away from the framebuffer HAL.
    sp<GraphicBuffer> buf;
    status_t err = nextBuffer(&buf);
    sp<Fence> acquireFence;
    status_t err = nextBuffer(buf, acquireFence);
    if (err != NO_ERROR) {
        ALOGE("error latching next FramebufferSurface buffer: %s (%d)",
        ALOGE("error latching nnext FramebufferSurface buffer: %s (%d)",
                strerror(-err), err);
        return;
    }
    err = mHwc.fbPost(buf->handle);
    err = mHwc.fbPost(0, acquireFence, buf); // FIXME: use real display id
    if (err != NO_ERROR) {
        ALOGE("error posting framebuffer: %d", err);
    }
@@ -145,6 +135,19 @@ void FramebufferSurface::freeBufferLocked(int slotIndex) {
    }
}

status_t FramebufferSurface::setReleaseFenceFd(int fenceFd) {
    status_t err = NO_ERROR;
    if (fenceFd >= 0) {
        sp<Fence> fence(new Fence(fenceFd));
        if (mCurrentBufferSlot != BufferQueue::INVALID_BUFFER_SLOT) {
            status_t err = addReleaseFence(mCurrentBufferSlot, fence);
            ALOGE_IF(err, "setReleaseFenceFd: failed to add the fence: %s (%d)",
                    strerror(-err), err);
        }
    }
    return err;
}

status_t FramebufferSurface::setUpdateRectangle(const Rect& r)
{
    return INVALID_OPERATION;
+12 −4
Original line number Diff line number Diff line
@@ -44,10 +44,13 @@ public:

    virtual void dump(String8& result);

    // nextBuffer waits for and then latches the next buffer from the
    // BufferQueue and releases the previously latched buffer to the
    // BufferQueue.  The new buffer is returned in the 'buffer' argument.
    status_t nextBuffer(sp<GraphicBuffer>* buffer);
    // setReleaseFenceFd stores a fence file descriptor that will signal when the
    // current buffer is no longer being read. This fence will be returned to
    // the producer when the current buffer is released by updateTexImage().
    // Multiple fences can be set for a given buffer; they will be merged into
    // a single union fence. The SurfaceTexture will close the file descriptor
    // when finished with it.
    status_t setReleaseFenceFd(int fenceFd);

private:
    virtual ~FramebufferSurface() { }; // this class cannot be overloaded
@@ -55,6 +58,11 @@ private:
    virtual void onFrameAvailable();
    virtual void freeBufferLocked(int slotIndex);

    // nextBuffer waits for and then latches the next buffer from the
    // BufferQueue and releases the previously latched buffer to the
    // BufferQueue.  The new buffer is returned in the 'buffer' argument.
    status_t nextBuffer(sp<GraphicBuffer>& outBuffer, sp<Fence>& outFence);

    // mCurrentBufferIndex is the slot index of the current buffer or
    // INVALID_BUFFER_SLOT to indicate that either there is no current buffer
    // or the buffer is not associated with a slot.
+175 −30
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@
#include <sys/types.h>

#include <utils/Errors.h>
#include <utils/misc.h>
#include <utils/String8.h>
#include <utils/Thread.h>
#include <utils/Trace.h>
@@ -43,6 +44,7 @@
#include "LayerBase.h"
#include "HWComposer.h"
#include "SurfaceFlinger.h"
#include <utils/CallStack.h>

namespace android {

@@ -111,6 +113,14 @@ HWComposer::HWComposer(
    loadFbHalModule();
    loadHwcModule();

    if (mFbDev && mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
        // close FB HAL if we don't needed it.
        // FIXME: this is temporary until we're not forced to open FB HAL
        // before HWC.
        framebuffer_close(mFbDev);
        mFbDev = NULL;
    }

    // If we have no HWC, or a pre-1.1 HWC, an FB dev is mandatory.
    if ((!mHwc || !hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1))
            && !mFbDev) {
@@ -310,7 +320,7 @@ static const uint32_t DISPLAY_ATTRIBUTES[] = {
#define ANDROID_DENSITY_XHIGH 320

void HWComposer::queryDisplayProperties(int disp) {
    ALOG_ASSERT(mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1));
    LOG_ALWAYS_FATAL_IF(!mHwc || !hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1));

    // use zero as default value for unspecified attributes
    int32_t values[NUM_DISPLAY_ATTRIBUTES - 1];
@@ -319,7 +329,11 @@ void HWComposer::queryDisplayProperties(int disp) {
    uint32_t config;
    size_t numConfigs = 1;
    status_t err = mHwc->getDisplayConfigs(mHwc, disp, &config, &numConfigs);
    LOG_ALWAYS_FATAL_IF(err, "getDisplayAttributes failed (%s)", strerror(-err));

    if (err == NO_ERROR) {
        ALOGD("config=%d, numConfigs=%d, NUM_DISPLAY_ATTRIBUTES=%d",
                config, numConfigs, NUM_DISPLAY_ATTRIBUTES);
        mHwc->getDisplayAttributes(mHwc, disp, config, DISPLAY_ATTRIBUTES,
                values);
    }
@@ -343,8 +357,8 @@ void HWComposer::queryDisplayProperties(int disp) {
            mDisplayData[disp].ydpi = values[i] / 1000.0f;
            break;
        default:
            ALOG_ASSERT(false, "unknown display attribute %#x",
                    DISPLAY_ATTRIBUTES[i]);
            ALOG_ASSERT(false, "unknown display attribute[%d] %#x",
                    i, DISPLAY_ATTRIBUTES[i]);
            break;
        }
    }
@@ -439,13 +453,35 @@ status_t HWComposer::createWorkList(int32_t id, size_t numLayers) {

    if (mHwc) {
        DisplayData& disp(mDisplayData[id]);
        if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
            // we need space for the HWC_FRAMEBUFFER_TARGET
            numLayers++;
        }
        if (disp.capacity < numLayers || disp.list == NULL) {
            const size_t size = sizeof(hwc_display_contents_1_t)
            size_t size = sizeof(hwc_display_contents_1_t)
                    + numLayers * sizeof(hwc_layer_1_t);
            free(disp.list);
            disp.list = (hwc_display_contents_1_t*)malloc(size);
            disp.capacity = numLayers;
        }
        if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
            disp.framebufferTarget = &disp.list->hwLayers[numLayers - 1];
            memset(disp.framebufferTarget, 0, sizeof(hwc_layer_1_t));
            const hwc_rect_t r = { 0, 0, disp.width, disp.height };
            disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET;
            disp.framebufferTarget->hints = 0;
            disp.framebufferTarget->flags = 0;
            disp.framebufferTarget->handle = disp.fbTargetHandle;
            disp.framebufferTarget->transform = 0;
            disp.framebufferTarget->blending = HWC_BLENDING_PREMULT;
            disp.framebufferTarget->sourceCrop = r;
            disp.framebufferTarget->displayFrame = r;
            disp.framebufferTarget->visibleRegionScreen.numRects = 1;
            disp.framebufferTarget->visibleRegionScreen.rects =
                &disp.framebufferTarget->displayFrame;
            disp.framebufferTarget->acquireFenceFd = -1;
            disp.framebufferTarget->releaseFenceFd = -1;
        }
        disp.list->retireFenceFd = -1;
        disp.list->flags = HWC_GEOMETRY_CHANGED;
        disp.list->numHwLayers = numLayers;
@@ -453,9 +489,46 @@ status_t HWComposer::createWorkList(int32_t id, size_t numLayers) {
    return NO_ERROR;
}

status_t HWComposer::setFramebufferTarget(int32_t id,
        const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buf) {
    if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) {
        return BAD_INDEX;
    }
    DisplayData& disp(mDisplayData[id]);
    if (!disp.framebufferTarget) {
        // this should never happen, but apparently eglCreateWindowSurface()
        // triggers a SurfaceTextureClient::queueBuffer()  on some
        // devices (!?) -- log and ignore.
        ALOGE("HWComposer: framebufferTarget is null");
        CallStack stack;
        stack.update();
        stack.dump("");
        return NO_ERROR;
    }

    int acquireFenceFd = -1;
    if (acquireFence != NULL) {
        acquireFenceFd = acquireFence->dup();
    }

    // ALOGD("fbPost: handle=%p, fence=%d", buf->handle, acquireFenceFd);
    disp.fbTargetHandle = buf->handle;
    disp.framebufferTarget->handle = disp.fbTargetHandle;
    disp.framebufferTarget->acquireFenceFd = acquireFenceFd;
    return NO_ERROR;
}

status_t HWComposer::prepare() {
    for (size_t i=0 ; i<mNumDisplays ; i++) {
        mLists[i] = mDisplayData[i].list;
        DisplayData& disp(mDisplayData[i]);
        if (disp.framebufferTarget) {
            // make sure to reset the type to HWC_FRAMEBUFFER_TARGET
            // DO NOT reset the handle field to NULL, because it's possible
            // that we have nothing to redraw (eg: eglSwapBuffers() not called)
            // in which case, we should continue to use the same buffer.
            disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET;
        }
        mLists[i] = disp.list;
        if (mLists[i]) {
            if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_2)) {
                mLists[i]->outbuf = NULL;
@@ -472,6 +545,8 @@ status_t HWComposer::prepare() {
    }

    int err = mHwc->prepare(mHwc, mNumDisplays, mLists);
    ALOGE_IF(err, "HWComposer: prepare failed (%s)", strerror(-err));

    if (err == NO_ERROR) {
        // here we're just making sure that "skip" layers are set
        // to HWC_FRAMEBUFFER and we're also counting how many layers
@@ -483,6 +558,10 @@ status_t HWComposer::prepare() {
            if (disp.list) {
                for (size_t i=0 ; i<disp.list->numHwLayers ; i++) {
                    hwc_layer_1_t& l = disp.list->hwLayers[i];

                    //ALOGD("prepare: %d, type=%d, handle=%p",
                    //        i, l.compositionType, l.handle);

                    if (l.flags & HWC_SKIP_LAYER) {
                        l.compositionType = HWC_FRAMEBUFFER;
                    }
@@ -511,6 +590,21 @@ bool HWComposer::hasGlesComposition(int32_t id) const {
    return mDisplayData[id].hasFbComp;
}

int HWComposer::getAndResetReleaseFenceFd(int32_t id) {
    if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
        return BAD_INDEX;

    int fd = INVALID_OPERATION;
    if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
        const DisplayData& disp(mDisplayData[id]);
        if (disp.framebufferTarget) {
            fd = disp.framebufferTarget->releaseFenceFd;
            disp.framebufferTarget->releaseFenceFd = -1;
        }
    }
    return fd;
}

status_t HWComposer::commit() {
    int err = NO_ERROR;
    if (mHwc) {
@@ -553,21 +647,38 @@ status_t HWComposer::acquire() const {
    return NO_ERROR;
}

size_t HWComposer::getNumLayers(int32_t id) const {
    if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) {
        return 0;
int HWComposer::getVisualID() const {
    if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
        // FIXME: temporary hack until HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
        // is supported by the implementation. we can only be in this case
        // if we have HWC 1.1
        return HAL_PIXEL_FORMAT_RGBA_8888;
        //return HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
    } else {
        return mFbDev->format;
    }
    return (mHwc && mDisplayData[id].list) ?
            mDisplayData[id].list->numHwLayers : 0;
}

int HWComposer::fbPost(buffer_handle_t buffer)
{
    return mFbDev->post(mFbDev, buffer);
bool HWComposer::supportsFramebufferTarget() const {
    return (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1));
}

int HWComposer::fbCompositionComplete()
{
int HWComposer::fbPost(int32_t id,
        const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buffer) {
    if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
        return setFramebufferTarget(id, acquireFence, buffer);
    } else {
        if (acquireFence != NULL) {
            acquireFence->wait(Fence::TIMEOUT_NEVER);
        }
        return mFbDev->post(mFbDev, buffer->handle);
    }
}

int HWComposer::fbCompositionComplete() {
    if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1))
        return NO_ERROR;

    if (mFbDev->compositionComplete) {
        return mFbDev->compositionComplete(mFbDev);
    } else {
@@ -576,7 +687,7 @@ int HWComposer::fbCompositionComplete()
}

void HWComposer::fbDump(String8& result) {
    if (mFbDev->common.version >= 1 && mFbDev->dump) {
    if (mFbDev && mFbDev->common.version >= 1 && mFbDev->dump) {
        const size_t SIZE = 4096;
        char buffer[SIZE];
        mFbDev->dump(mFbDev, buffer, SIZE);
@@ -584,7 +695,6 @@ void HWComposer::fbDump(String8& result) {
    }
}


/*
 * Helper template to implement a concrete HWCLayer
 * This holds the pointer to the concrete hwc layer type
@@ -721,13 +831,28 @@ HWComposer::LayerListIterator HWComposer::begin(int32_t id) {
 * returns an iterator on the end of the layer list
 */
HWComposer::LayerListIterator HWComposer::end(int32_t id) {
    return getLayerIterator(id, getNumLayers(id));
    size_t numLayers = 0;
    if (uint32_t(id) <= 31 && mAllocatedDisplayIDs.hasBit(id)) {
        const DisplayData& disp(mDisplayData[id]);
        if (mHwc && disp.list) {
            numLayers = disp.list->numHwLayers;
            if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
                // with HWC 1.1, the last layer is always the HWC_FRAMEBUFFER_TARGET,
                // which we ignore when iterating through the layer list.
                ALOGE_IF(!numLayers, "mDisplayData[%d].list->numHwLayers is 0", id);
                if (numLayers) {
                    numLayers--;
                }
            }
        }
    }
    return getLayerIterator(id, numLayers);
}

void HWComposer::dump(String8& result, char* buffer, size_t SIZE,
        const Vector< sp<LayerBase> >& visibleLayersSortedByZ) const {
    if (mHwc) {
        result.append("Hardware Composer state:\n");
        result.appendFormat("Hardware Composer state (version %8x):\n", hwcApiVersion(mHwc));
        result.appendFormat("  mDebugForceFakeVSync=%d\n", mDebugForceFakeVSync);
        for (size_t i=0 ; i<mNumDisplays ; i++) {
            const DisplayData& disp(mDisplayData[i]);
@@ -736,12 +861,14 @@ void HWComposer::dump(String8& result, char* buffer, size_t SIZE,
                        i, disp.list->numHwLayers, disp.list->flags);
                result.append(
                        "    type    |  handle  |   hints  |   flags  | tr | blend |  format  |       source crop         |           frame           name \n"
                        "----------+----------+----------+----------+----+-------+----------+---------------------------+--------------------------------\n");
                //      " ________ | ________ | ________ | ________ | __ | _____ | ________ | [_____,_____,_____,_____] | [_____,_____,_____,_____]
                        "------------+----------+----------+----------+----+-------+----------+---------------------------+--------------------------------\n");
                //      " __________ | ________ | ________ | ________ | __ | _____ | ________ | [_____,_____,_____,_____] | [_____,_____,_____,_____]
                for (size_t i=0 ; i<disp.list->numHwLayers ; i++) {
                    const hwc_layer_1_t&l = disp.list->hwLayers[i];
                    const sp<LayerBase> layer(visibleLayersSortedByZ[i]);
                    int32_t format = -1;
                    String8 name("unknown");
                    if (i < visibleLayersSortedByZ.size()) {
                        const sp<LayerBase>& layer(visibleLayersSortedByZ[i]);
                        if (layer->getLayer() != NULL) {
                            const sp<GraphicBuffer>& buffer(
                                layer->getLayer()->getActiveBuffer());
@@ -749,13 +876,31 @@ void HWComposer::dump(String8& result, char* buffer, size_t SIZE,
                                format = buffer->getPixelFormat();
                            }
                        }
                        name = layer->getName();
                    }

                    int type = l.compositionType;
                    if (type == HWC_FRAMEBUFFER_TARGET) {
                        name = "HWC_FRAMEBUFFER_TARGET";
                        format = disp.format;
                    }

                    static char const* compositionTypeName[] = {
                            "GLES",
                            "HWC",
                            "BACKGROUND",
                            "FB TARGET",
                            "UNKNOWN"};
                    if (type >= NELEM(compositionTypeName))
                        type = NELEM(compositionTypeName) - 1;

                    result.appendFormat(
                            " %8s | %08x | %08x | %08x | %02x | %05x | %08x | [%5d,%5d,%5d,%5d] | [%5d,%5d,%5d,%5d] %s\n",
                            l.compositionType ? "OVERLAY" : "FB",
                            " %10s | %08x | %08x | %08x | %02x | %05x | %08x | [%5d,%5d,%5d,%5d] | [%5d,%5d,%5d,%5d] %s\n",
                                    compositionTypeName[type],
                                    intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, format,
                                    l.sourceCrop.left, l.sourceCrop.top, l.sourceCrop.right, l.sourceCrop.bottom,
                                    l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom,
                                    layer->getName().string());
                                    name.string());
                }
            }
        }
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