C++ (Cpp) getBufferSizeAndDimensions Examples

Example #1

File: hwc_fbupdate.cpp Project: stayboogy/stayboogy_kk_condor

IFBUpdate::IFBUpdate(hwc_context_t *ctx, const int& dpy) : mDpy(dpy) {
    getBufferSizeAndDimensions(ctx->dpyAttr[dpy].xres,
            ctx->dpyAttr[dpy].yres,
            HAL_PIXEL_FORMAT_RGBA_8888,
            mAlignedFBWidth,
            mAlignedFBHeight);
}

Example #2

File: overlayRotator.cpp Project: Android-Butter/butter_hardware_qcom_display-caf

uint32_t Rotator::calcOutputBufSize(const utils::Whf& destWhf) {
    //dummy aligned w & h.
    int alW = 0, alH = 0;
    int halFormat = ovutils::getHALFormat(destWhf.format);
    //A call into gralloc/memalloc
    return getBufferSizeAndDimensions(
            destWhf.w, destWhf.h, halFormat, alW, alH);
}

Example #3

File: hwc_ad.cpp Project: Sharlion/android_hardware_qcom_display_s2005

bool AssertiveDisplay::prepare(hwc_context_t *ctx,
        const hwc_rect_t& crop,
        const Whf& whf,
        const private_handle_t *hnd) {
    if(!isDoable()) {
        if(isModeOn()) {
            //Cleanup one time during this switch
            const int off = 0;
            adWrite(off);
            closeWbFb(mWbFd);
        }
        return false;
    }

    ovutils::eDest dest = ctx->mOverlay->nextPipe(ovutils::OV_MDP_PIPE_VG,
            overlay::Overlay::DPY_WRITEBACK, Overlay::MIXER_DEFAULT);
    if(dest == OV_INVALID) {
        ALOGE("%s failed: No VG pipe available", __func__);
        mDoable = false;
        return false;
    }

    overlay::Writeback *wb = overlay::Writeback::getInstance();

    //Set Security flag on writeback
    if(isSecureBuffer(hnd)) {
        if(!wb->setSecure(isSecureBuffer(hnd))) {
            ALOGE("Failure in setting WB secure flag for ad");
            return false;
        }
    }

    if(!wb->configureDpyInfo(hnd->width, hnd->height)) {
        ALOGE("%s: config display failed", __func__);
        mDoable = false;
        return false;
    }

    int tmpW, tmpH, size;
    int format = ovutils::getHALFormat(wb->getOutputFormat());
    if(format < 0) {
        ALOGE("%s invalid format %d", __func__, format);
        mDoable = false;
        return false;
    }

    size = getBufferSizeAndDimensions(hnd->width, hnd->height,
                format, tmpW, tmpH);

    if(!wb->configureMemory(size)) {
        ALOGE("%s: config memory failed", __func__);
        mDoable = false;
        return false;
    }

    eMdpFlags mdpFlags = OV_MDP_FLAGS_NONE;
    if(isSecureBuffer(hnd)) {
        ovutils::setMdpFlags(mdpFlags,
                ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
    }

    PipeArgs parg(mdpFlags, whf, ZORDER_0, IS_FG_OFF,
            ROT_FLAGS_NONE);
    hwc_rect_t dst = crop; //input same as output

    if(configMdp(ctx->mOverlay, parg, OVERLAY_TRANSFORM_0, crop, dst, NULL,
                dest) < 0) {
        ALOGE("%s: configMdp failed", __func__);
        mDoable = false;
        return false;
    }

    mDest = dest;
    if(!isModeOn()) {
        mWbFd = openWbFb();
        if(mWbFd >= 0) {
            //write to sysfs, one time during this switch
            const int on = 1;
            adWrite(on);
        }
    }
    return true;
}