/* * Copyright (C) 2008 The Android Open Source Project * Copyright (c) 2010-2012 Code Aurora Forum. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "gralloc_priv.h" #include "fb_priv.h" #include "gr.h" #include #include #include "overlay.h" namespace ovutils = overlay::utils; #define EVEN_OUT(x) if (x & 0x0001) {x--;} /** min of int a, b */ static inline int min(int a, int b) { return (ab) ? a : b; } enum { PAGE_FLIP = 0x00000001, LOCKED = 0x00000002 }; struct fb_context_t { framebuffer_device_t device; }; static int fb_setSwapInterval(struct framebuffer_device_t* dev, int interval) { //XXX: Get the value here and implement along with //single vsync in HWC char pval[PROPERTY_VALUE_MAX]; property_get("debug.egl.swapinterval", pval, "-1"); int property_interval = atoi(pval); if (property_interval >= 0) interval = property_interval; fb_context_t* ctx = (fb_context_t*)dev; private_module_t* m = reinterpret_cast( dev->common.module); if (interval < dev->minSwapInterval || interval > dev->maxSwapInterval) return -EINVAL; m->swapInterval = interval; return 0; } static int fb_setUpdateRect(struct framebuffer_device_t* dev, int l, int t, int w, int h) { if (((w|h) <= 0) || ((l|t)<0)) return -EINVAL; fb_context_t* ctx = (fb_context_t*)dev; private_module_t* m = reinterpret_cast( dev->common.module); m->info.reserved[0] = 0x54445055; // "UPDT"; m->info.reserved[1] = (uint16_t)l | ((uint32_t)t << 16); m->info.reserved[2] = (uint16_t)(l+w) | ((uint32_t)(t+h) << 16); return 0; } #if defined(HDMI_DUAL_DISPLAY) static int closeHDMIChannel(private_module_t* m) { // XXX - when enabling HDMI #if 0 Overlay* pTemp = m->pobjOverlay; if(pTemp != NULL) pTemp->closeChannel(); #endif return 0; } // XXX - Complete when enabling HDMI #if 0 static void getSecondaryDisplayDestinationInfo(private_module_t* m, overlay_rect& rect, int& orientation) { Overlay* pTemp = m->pobjOverlay; int width = pTemp->getFBWidth(); int height = pTemp->getFBHeight(); int fbwidth = m->info.xres, fbheight = m->info.yres; rect.x = 0; rect.y = 0; rect.w = width; rect.h = height; int rot = m->orientation; switch(rot) { // ROT_0 case 0: // ROT_180 case HAL_TRANSFORM_ROT_180: pTemp->getAspectRatioPosition(fbwidth, fbheight, &rect); if(rot == HAL_TRANSFORM_ROT_180) orientation = HAL_TRANSFORM_ROT_180; else orientation = 0; break; // ROT_90 case HAL_TRANSFORM_ROT_90: // ROT_270 case HAL_TRANSFORM_ROT_270: //Calculate the Aspectratio for the UI //in the landscape mode //Width and height will be swapped as there //is rotation pTemp->getAspectRatioPosition(fbheight, fbwidth, &rect); if(rot == HAL_TRANSFORM_ROT_90) orientation = HAL_TRANSFORM_ROT_270; else if(rot == HAL_TRANSFORM_ROT_270) orientation = HAL_TRANSFORM_ROT_90; break; } return; } #endif /* Determine overlay state based on whether hardware supports true UI mirroring and whether video is playing or not */ static ovutils::eOverlayState getOverlayState(struct private_module_t* module) { overlay2::Overlay& ov = *(Overlay::getInstance()); // Default to existing state ovutils::eOverlayState state = ov.getState(); // Sanity check if (!module) { ALOGE("%s: NULL module", __FUNCTION__); return state; } // Check if video is playing or not if (module->videoOverlay) { // Video is playing, check if hardware supports true UI mirroring if (module->trueMirrorSupport) { // True UI mirroring is supported by hardware if (ov.getState() == ovutils::OV_2D_VIDEO_ON_PANEL) { // Currently playing 2D video state = ovutils::OV_2D_TRUE_UI_MIRROR; } else if (ov.getState() == ovutils::OV_3D_VIDEO_ON_2D_PANEL) { // Currently playing M3D video // FIXME: Support M3D true UI mirroring state = ovutils::OV_3D_VIDEO_ON_2D_PANEL_2D_TV; } } else { // True UI mirroring is not supported by hardware if (ov.getState() == ovutils::OV_2D_VIDEO_ON_PANEL) { // Currently playing 2D video state = ovutils::OV_2D_VIDEO_ON_PANEL_TV; } else if (ov.getState() == ovutils::OV_3D_VIDEO_ON_2D_PANEL) { // Currently playing M3D video state = ovutils::OV_3D_VIDEO_ON_2D_PANEL_2D_TV; } } } else { // Video is not playing, true UI mirroring support is irrelevant state = ovutils::OV_UI_MIRROR; } return state; } /* Set overlay state */ static void setOverlayState(ovutils::eOverlayState state) { overlay2::Overlay& ov = *(Overlay::getInstance()); ov.setState(state); } static void *hdmi_ui_loop(void *ptr) { private_module_t* m = reinterpret_cast(ptr); while (1) { pthread_mutex_lock(&m->overlayLock); while(!(m->hdmiStateChanged)) pthread_cond_wait(&(m->overlayPost), &(m->overlayLock)); m->hdmiStateChanged = false; if (m->exitHDMIUILoop) { pthread_mutex_unlock(&m->overlayLock); return NULL; } // No need to mirror UI if HDMI is not on if (!m->enableHDMIOutput) { ALOGE_IF(FB_DEBUG, "%s: hdmi not ON", __FUNCTION__); pthread_mutex_unlock(&m->overlayLock); continue; } overlay2::OverlayMgr* ovMgr = overlay2::OverlayMgrSingleton::getOverlayMgr(); overlay2::Overlay& ov = ovMgr->ov(); // Set overlay state ovutils::eOverlayState state = getOverlayState(m); setOverlayState(state); // Determine the RGB pipe for UI depending on the state ovutils::eDest dest = ovutils::OV_PIPE_ALL; if (state == ovutils::OV_2D_TRUE_UI_MIRROR) { // True UI mirroring state: external RGB pipe is OV_PIPE2 dest = ovutils::OV_PIPE2; } else if (state == ovutils::OV_UI_MIRROR) { // UI-only mirroring state: external RGB pipe is OV_PIPE0 dest = ovutils::OV_PIPE0; } else { // No UI in this case pthread_mutex_unlock(&m->overlayLock); continue; } if (m->hdmiMirroringState == HDMI_UI_MIRRORING) { int alignedW = ALIGN(m->info.xres, 32); private_handle_t const* hnd = reinterpret_cast(m->framebuffer); unsigned int width = alignedW; unsigned int height = hnd->height; unsigned int format = hnd->format; unsigned int size = hnd->size/m->numBuffers; ovutils::eMdpFlags mdpFlags = ovutils::OV_MDP_FLAGS_NONE; // External display connected during secure video playback // Open secure UI session // NOTE: when external display is already connected and then secure // playback is started, we dont have to do anything if (m->secureVideoOverlay) { ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_SECURE_OVERLAY_SESSION); } ovutils::Whf whf(width, height, format, size); ovutils::PipeArgs parg(mdpFlags, ovutils::OVERLAY_TRANSFORM_0, whf, ovutils::WAIT, ovutils::ZORDER_0, ovutils::IS_FG_OFF, ovutils::ROT_FLAG_ENABLED); ovutils::PipeArgs pargs[ovutils::MAX_PIPES] = { parg, parg, parg }; bool ret = ov.setSource(pargs, dest); if (!ret) { ALOGE("%s setSource failed", __FUNCTION__); } // we need to communicate m->orientation that will get some // modifications within setParameter func. // FIXME that is ugly. const ovutils::Params prms (ovutils::OVERLAY_TRANSFORM_UI, m->orientation); ov.setParameter(prms, dest); if (!ret) { ALOGE("%s setParameter failed transform", __FUNCTION__); } // x,y,w,h ovutils::Dim dcrop(0, 0, m->info.xres, m->info.yres); ov.setMemoryId(m->framebuffer->fd, dest); ret = ov.setCrop(dcrop, dest); if (!ret) { ALOGE("%s setCrop failed", __FUNCTION__); } ovutils::Dim pdim (m->info.xres, m->info.yres, 0, 0, m->orientation); ret = ov.setPosition(pdim, dest); if (!ret) { ALOGE("%s setPosition failed", __FUNCTION__); } if (!ov.commit(dest)) { ALOGE("%s commit fails", __FUNCTION__); } ret = ov.queueBuffer(m->currentOffset, dest); if (!ret) { ALOGE("%s queueBuffer failed", __FUNCTION__); } } else { setOverlayState(ovutils::OV_CLOSED); } pthread_mutex_unlock(&m->overlayLock); } return NULL; } static int fb_videoOverlayStarted(struct framebuffer_device_t* dev, int started) { ALOGE_IF(FB_DEBUG, "%s started=%d", __FUNCTION__, started); private_module_t* m = reinterpret_cast( dev->common.module); pthread_mutex_lock(&m->overlayLock); if(started != m->videoOverlay) { m->videoOverlay = started; m->hdmiStateChanged = true; if (!m->trueMirrorSupport) { if (started) { m->hdmiMirroringState = HDMI_NO_MIRRORING; ovutils::eOverlayState state = getOverlayState(m); setOverlayState(state); } else if (m->enableHDMIOutput) m->hdmiMirroringState = HDMI_UI_MIRRORING; } else { if (m->videoOverlay == VIDEO_3D_OVERLAY_STARTED) { ALOGE_IF(FB_DEBUG, "3D Video Started, stop mirroring!"); m->hdmiMirroringState = HDMI_NO_MIRRORING; ovutils::eOverlayState state = getOverlayState(m); setOverlayState(state); } else if (m->enableHDMIOutput) { m->hdmiMirroringState = HDMI_UI_MIRRORING; } } } pthread_mutex_unlock(&m->overlayLock); return 0; } static int fb_enableHDMIOutput(struct framebuffer_device_t* dev, int externaltype) { ALOGE_IF(FB_DEBUG, "%s externaltype=%d", __FUNCTION__, externaltype); private_module_t* m = reinterpret_cast( dev->common.module); pthread_mutex_lock(&m->overlayLock); //Check if true mirroring can be supported m->trueMirrorSupport = ovutils::FrameBufferInfo::getInstance()->supportTrueMirroring(); m->enableHDMIOutput = externaltype; if(externaltype) { if (m->trueMirrorSupport) { m->hdmiMirroringState = HDMI_UI_MIRRORING; } else { if(!m->videoOverlay) m->hdmiMirroringState = HDMI_UI_MIRRORING; } } else if (!externaltype) { // Either HDMI is disconnected or suspend occurred m->hdmiMirroringState = HDMI_NO_MIRRORING; ovutils::eOverlayState state = getOverlayState(m); setOverlayState(state); } m->hdmiStateChanged = true; pthread_cond_signal(&(m->overlayPost)); pthread_mutex_unlock(&m->overlayLock); return 0; } static int fb_orientationChanged(struct framebuffer_device_t* dev, int orientation) { private_module_t* m = reinterpret_cast( dev->common.module); pthread_mutex_lock(&m->overlayLock); neworientation = orientation; pthread_mutex_unlock(&m->overlayLock); return 0; } static int handle_open_secure_start(private_module_t* m) { pthread_mutex_lock(&m->overlayLock); m->hdmiMirroringState = HDMI_NO_MIRRORING; m->secureVideoOverlay = true; pthread_mutex_unlock(&m->overlayLock); return 0; } static int handle_open_secure_end(private_module_t* m) { pthread_mutex_lock(&m->overlayLock); if (m->enableHDMIOutput) { if (m->trueMirrorSupport) { m->hdmiMirroringState = HDMI_UI_MIRRORING; } else if(!m->videoOverlay) { m->hdmiMirroringState = HDMI_UI_MIRRORING; } m->hdmiStateChanged = true; pthread_cond_signal(&(m->overlayPost)); } pthread_mutex_unlock(&m->overlayLock); return 0; } static int handle_close_secure_start(private_module_t* m) { pthread_mutex_lock(&m->overlayLock); m->hdmiMirroringState = HDMI_NO_MIRRORING; m->secureVideoOverlay = false; pthread_mutex_unlock(&m->overlayLock); return 0; } static int handle_close_secure_end(private_module_t* m) { pthread_mutex_lock(&m->overlayLock); if (m->enableHDMIOutput) { if (m->trueMirrorSupport) { m->hdmiMirroringState = HDMI_UI_MIRRORING; } else if(!m->videoOverlay) { m->hdmiMirroringState = HDMI_UI_MIRRORING; } m->hdmiStateChanged = true; pthread_cond_signal(&(m->overlayPost)); } pthread_mutex_unlock(&m->overlayLock); return 0; } #endif /* fb_perform - used to add custom event and handle them in fb HAL * Used for external display related functions as of now */ static int fb_perform(struct framebuffer_device_t* dev, int event, int value) { private_module_t* m = reinterpret_cast( dev->common.module); switch(event) { #if defined(HDMI_DUAL_DISPLAY) case EVENT_EXTERNAL_DISPLAY: fb_enableHDMIOutput(dev, value); break; case EVENT_VIDEO_OVERLAY: fb_videoOverlayStarted(dev, value); break; case EVENT_ORIENTATION_CHANGE: fb_orientationChanged(dev, value); break; case EVENT_OVERLAY_STATE_CHANGE: if (value == OVERLAY_STATE_CHANGE_START) { // When state change starts, get a lock on overlay pthread_mutex_lock(&m->overlayLock); } else if (value == OVERLAY_STATE_CHANGE_END) { // When state change is complete, unlock overlay pthread_mutex_unlock(&m->overlayLock); } break; case EVENT_OPEN_SECURE_START: handle_open_secure_start(m); break; case EVENT_OPEN_SECURE_END: handle_open_secure_end(m); break; case EVENT_CLOSE_SECURE_START: handle_close_secure_start(m); break; case EVENT_CLOSE_SECURE_END: handle_close_secure_end(m); break; #endif default: ALOGE("In %s: UNKNOWN Event = %d!!!", __FUNCTION__, event); break; } return 0; } static int fb_post(struct framebuffer_device_t* dev, buffer_handle_t buffer) { if (private_handle_t::validate(buffer) < 0) return -EINVAL; fb_context_t* ctx = (fb_context_t*)dev; private_handle_t const* hnd = reinterpret_cast(buffer); private_module_t* m = reinterpret_cast(dev->common.module); if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) { m->base.lock(&m->base, buffer, PRIV_USAGE_LOCKED_FOR_POST, 0, 0, m->info.xres, m->info.yres, NULL); if (m->currentBuffer) { m->base.unlock(&m->base, m->currentBuffer); m->currentBuffer = 0; } const size_t offset = hnd->base - m->framebuffer->base; m->info.activate = FB_ACTIVATE_VBL; m->info.yoffset = offset / m->finfo.line_length; if (ioctl(m->framebuffer->fd, FBIOPUT_VSCREENINFO, &m->info) == -1) { ALOGE("FBIOPUT_VSCREENINFO failed"); m->base.unlock(&m->base, buffer); return -errno; } CALC_FPS(); m->currentBuffer = buffer; } return 0; } static int fb_compositionComplete(struct framebuffer_device_t* dev) { // TODO: Properly implement composition complete callback glFinish(); return 0; } int mapFrameBufferLocked(struct private_module_t* module) { // already initialized... if (module->framebuffer) { return 0; } char const * const device_template[] = { "/dev/graphics/fb%u", "/dev/fb%u", 0 }; int fd = -1; int i=0; char name[64]; char property[PROPERTY_VALUE_MAX]; while ((fd==-1) && device_template[i]) { snprintf(name, 64, device_template[i], 0); fd = open(name, O_RDWR, 0); i++; } if (fd < 0) return -errno; struct fb_fix_screeninfo finfo; if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) == -1) return -errno; struct fb_var_screeninfo info; if (ioctl(fd, FBIOGET_VSCREENINFO, &info) == -1) return -errno; info.reserved[0] = 0; info.reserved[1] = 0; info.reserved[2] = 0; info.xoffset = 0; info.yoffset = 0; info.activate = FB_ACTIVATE_NOW; /* Interpretation of offset for color fields: All offsets are from the right, * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you * can use the offset as right argument to <<). A pixel afterwards is a bit * stream and is written to video memory as that unmodified. This implies * big-endian byte order if bits_per_pixel is greater than 8. */ if(info.bits_per_pixel == 32) { /* * Explicitly request RGBA_8888 */ info.bits_per_pixel = 32; info.red.offset = 24; info.red.length = 8; info.green.offset = 16; info.green.length = 8; info.blue.offset = 8; info.blue.length = 8; info.transp.offset = 0; info.transp.length = 8; /* Note: the GL driver does not have a r=8 g=8 b=8 a=0 config, so if we do * not use the MDP for composition (i.e. hw composition == 0), ask for * RGBA instead of RGBX. */ if (property_get("debug.sf.hw", property, NULL) > 0 && atoi(property) == 0) module->fbFormat = HAL_PIXEL_FORMAT_RGBX_8888; else if(property_get("debug.composition.type", property, NULL) > 0 && (strncmp(property, "mdp", 3) == 0)) module->fbFormat = HAL_PIXEL_FORMAT_RGBX_8888; else module->fbFormat = HAL_PIXEL_FORMAT_RGBA_8888; } else { /* * Explicitly request 5/6/5 */ info.bits_per_pixel = 16; info.red.offset = 11; info.red.length = 5; info.green.offset = 5; info.green.length = 6; info.blue.offset = 0; info.blue.length = 5; info.transp.offset = 0; info.transp.length = 0; module->fbFormat = HAL_PIXEL_FORMAT_RGB_565; } //adreno needs 4k aligned offsets. Max hole size is 4096-1 int size = roundUpToPageSize(info.yres * info.xres * (info.bits_per_pixel/8)); /* * Request NUM_BUFFERS screens (at least 2 for page flipping) */ int numberOfBuffers = (int)(finfo.smem_len/size); ALOGV("num supported framebuffers in kernel = %d", numberOfBuffers); if (property_get("debug.gr.numframebuffers", property, NULL) > 0) { int num = atoi(property); if ((num >= NUM_FRAMEBUFFERS_MIN) && (num <= NUM_FRAMEBUFFERS_MAX)) { numberOfBuffers = num; } } if (numberOfBuffers > NUM_FRAMEBUFFERS_MAX) numberOfBuffers = NUM_FRAMEBUFFERS_MAX; ALOGV("We support %d buffers", numberOfBuffers); //consider the included hole by 4k alignment uint32_t line_length = (info.xres * info.bits_per_pixel / 8); info.yres_virtual = (size * numberOfBuffers) / line_length; uint32_t flags = PAGE_FLIP; if (ioctl(fd, FBIOPUT_VSCREENINFO, &info) == -1) { info.yres_virtual = size / line_length; flags &= ~PAGE_FLIP; ALOGW("FBIOPUT_VSCREENINFO failed, page flipping not supported"); } if (info.yres_virtual < ((size * 2) / line_length) ) { // we need at least 2 for page-flipping info.yres_virtual = size / line_length; flags &= ~PAGE_FLIP; ALOGW("page flipping not supported (yres_virtual=%d, requested=%d)", info.yres_virtual, info.yres*2); } if (ioctl(fd, FBIOGET_VSCREENINFO, &info) == -1) return -errno; if (int(info.width) <= 0 || int(info.height) <= 0) { // the driver doesn't return that information // default to 160 dpi info.width = ((info.xres * 25.4f)/160.0f + 0.5f); info.height = ((info.yres * 25.4f)/160.0f + 0.5f); } float xdpi = (info.xres * 25.4f) / info.width; float ydpi = (info.yres * 25.4f) / info.height; //The reserved[4] field is used to store FPS by the driver. float fps = info.reserved[4]; ALOGI("using (fd=%d)\n" "id = %s\n" "xres = %d px\n" "yres = %d px\n" "xres_virtual = %d px\n" "yres_virtual = %d px\n" "bpp = %d\n" "r = %2u:%u\n" "g = %2u:%u\n" "b = %2u:%u\n", fd, finfo.id, info.xres, info.yres, info.xres_virtual, info.yres_virtual, info.bits_per_pixel, info.red.offset, info.red.length, info.green.offset, info.green.length, info.blue.offset, info.blue.length ); ALOGI("width = %d mm (%f dpi)\n" "height = %d mm (%f dpi)\n" "refresh rate = %.2f Hz\n", info.width, xdpi, info.height, ydpi, fps ); if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) == -1) return -errno; if (finfo.smem_len <= 0) return -errno; module->flags = flags; module->info = info; module->finfo = finfo; module->xdpi = xdpi; module->ydpi = ydpi; module->fps = fps; module->swapInterval = 1; CALC_INIT(); /* * map the framebuffer */ int err; module->numBuffers = info.yres_virtual / info.yres; module->bufferMask = 0; //adreno needs page aligned offsets. Align the fbsize to pagesize. size_t fbSize = roundUpToPageSize(finfo.line_length * info.yres)* module->numBuffers; module->framebuffer = new private_handle_t(fd, fbSize, private_handle_t::PRIV_FLAGS_USES_PMEM, BUFFER_TYPE_UI, module->fbFormat, info.xres, info.yres); void* vaddr = mmap(0, fbSize, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); if (vaddr == MAP_FAILED) { ALOGE("Error mapping the framebuffer (%s)", strerror(errno)); return -errno; } module->framebuffer->base = intptr_t(vaddr); memset(vaddr, 0, fbSize); #if defined(HDMI_DUAL_DISPLAY) /* Overlay for HDMI*/ pthread_mutex_init(&(module->overlayLock), NULL); pthread_cond_init(&(module->overlayPost), NULL); module->currentOffset = 0; module->exitHDMIUILoop = false; module->hdmiStateChanged = false; pthread_t hdmiUIThread; pthread_create(&hdmiUIThread, NULL, &hdmi_ui_loop, (void *) module); module->hdmiMirroringState = HDMI_NO_MIRRORING; module->trueMirrorSupport = false; #endif return 0; } static int mapFrameBuffer(struct private_module_t* module) { pthread_mutex_lock(&module->lock); int err = mapFrameBufferLocked(module); pthread_mutex_unlock(&module->lock); return err; } /*****************************************************************************/ static int fb_close(struct hw_device_t *dev) { fb_context_t* ctx = (fb_context_t*)dev; #if defined(HDMI_DUAL_DISPLAY) private_module_t* m = reinterpret_cast( ctx->device.common.module); pthread_mutex_lock(&m->overlayLock); m->exitHDMIUILoop = true; pthread_cond_signal(&(m->overlayPost)); pthread_mutex_unlock(&m->overlayLock); #endif if (ctx) { free(ctx); } return 0; } int fb_device_open(hw_module_t const* module, const char* name, hw_device_t** device) { int status = -EINVAL; if (!strcmp(name, GRALLOC_HARDWARE_FB0)) { alloc_device_t* gralloc_device; status = gralloc_open(module, &gralloc_device); if (status < 0) return status; /* initialize our state here */ fb_context_t *dev = (fb_context_t*)malloc(sizeof(*dev)); memset(dev, 0, sizeof(*dev)); /* initialize the procs */ dev->device.common.tag = HARDWARE_DEVICE_TAG; dev->device.common.version = 0; dev->device.common.module = const_cast(module); dev->device.common.close = fb_close; dev->device.setSwapInterval = fb_setSwapInterval; dev->device.post = fb_post; dev->device.setUpdateRect = 0; dev->device.compositionComplete = fb_compositionComplete; private_module_t* m = (private_module_t*)module; status = mapFrameBuffer(m); if (status >= 0) { int stride = m->finfo.line_length / (m->info.bits_per_pixel >> 3); const_cast(dev->device.flags) = 0; const_cast(dev->device.width) = m->info.xres; const_cast(dev->device.height) = m->info.yres; const_cast(dev->device.stride) = stride; const_cast(dev->device.format) = m->fbFormat; const_cast(dev->device.xdpi) = m->xdpi; const_cast(dev->device.ydpi) = m->ydpi; const_cast(dev->device.fps) = m->fps; const_cast(dev->device.minSwapInterval) = PRIV_MIN_SWAP_INTERVAL; const_cast(dev->device.maxSwapInterval) = PRIV_MAX_SWAP_INTERVAL; const_cast(dev->device.numFramebuffers) = m->numBuffers; if (m->finfo.reserved[0] == 0x5444 && m->finfo.reserved[1] == 0x5055) { dev->device.setUpdateRect = fb_setUpdateRect; ALOGD("UPDATE_ON_DEMAND supported"); } *device = &dev->device.common; } // Close the gralloc module gralloc_close(gralloc_device); } return status; }