/* * 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 #include #include #include #include #include "gralloc_priv.h" #include "gr.h" #ifdef NO_SURFACEFLINGER_SWAPINTERVAL #include #endif #include #include #define FB_DEBUG 0 #if defined(HDMI_DUAL_DISPLAY) #define EVEN_OUT(x) if (x & 0x0001) {x--;} using overlay::Overlay; /** min of int a, b */ static inline int min(int a, int b) { return (ab) ? a : b; } #endif char framebufferStateName[] = {'S', 'R', 'A'}; /*****************************************************************************/ enum { MDDI_PANEL = '1', EBI2_PANEL = '2', LCDC_PANEL = '3', EXT_MDDI_PANEL = '4', TV_PANEL = '5' }; enum { PAGE_FLIP = 0x00000001, LOCKED = 0x00000002 }; struct fb_context_t { framebuffer_device_t device; }; static int neworientation; /*****************************************************************************/ static void msm_copy_buffer(buffer_handle_t handle, int fd, int width, int height, int format, int x, int y, int w, int h); static int fb_setSwapInterval(struct framebuffer_device_t* dev, int interval) { 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; } static void *disp_loop(void *ptr) { struct qbuf_t nxtBuf; static int cur_buf=-1; private_module_t *m = reinterpret_cast(ptr); while (1) { pthread_mutex_lock(&(m->qlock)); // wait (sleep) while display queue is empty; if (m->disp.isEmpty()) { pthread_cond_wait(&(m->qpost),&(m->qlock)); } // dequeue next buff to display and lock it nxtBuf = m->disp.getHeadValue(); m->disp.pop(); pthread_mutex_unlock(&(m->qlock)); // post buf out to display synchronously private_handle_t const* hnd = reinterpret_cast (nxtBuf.buf); const size_t offset = hnd->base - m->framebuffer->base; m->info.activate = FB_ACTIVATE_VBL; m->info.yoffset = offset / m->finfo.line_length; #if defined(HDMI_DUAL_DISPLAY) pthread_mutex_lock(&m->overlayLock); m->orientation = neworientation; m->currentOffset = offset; m->hdmiStateChanged = true; pthread_cond_signal(&(m->overlayPost)); pthread_mutex_unlock(&m->overlayLock); #endif if (ioctl(m->framebuffer->fd, FBIOPUT_VSCREENINFO, &m->info) == -1) { LOGE("ERROR FBIOPUT_VSCREENINFO failed; frame not displayed"); } //Signal so that we can close channels if we need to pthread_mutex_lock(&m->bufferPostLock); m->bufferPostDone = true; pthread_cond_signal(&m->bufferPostCond); pthread_mutex_unlock(&m->bufferPostLock); CALC_FPS(); if (cur_buf == -1) { int nxtAvail = ((nxtBuf.idx + 1) % m->numBuffers); pthread_mutex_lock(&(m->avail[nxtBuf.idx].lock)); m->avail[nxtBuf.idx].is_avail = true; m->avail[nxtBuf.idx].state = REF; pthread_cond_broadcast(&(m->avail[nxtBuf.idx].cond)); pthread_mutex_unlock(&(m->avail[nxtBuf.idx].lock)); } else { pthread_mutex_lock(&(m->avail[nxtBuf.idx].lock)); if (m->avail[nxtBuf.idx].state != SUB) { LOGE_IF(m->swapInterval != 0, "[%d] state %c, expected %c", nxtBuf.idx, framebufferStateName[m->avail[nxtBuf.idx].state], framebufferStateName[SUB]); } m->avail[nxtBuf.idx].state = REF; pthread_mutex_unlock(&(m->avail[nxtBuf.idx].lock)); pthread_mutex_lock(&(m->avail[cur_buf].lock)); m->avail[cur_buf].is_avail = true; if (m->avail[cur_buf].state != REF) { LOGE_IF(m->swapInterval != 0, "[%d] state %c, expected %c", cur_buf, framebufferStateName[m->avail[cur_buf].state], framebufferStateName[REF]); } m->avail[cur_buf].state = AVL; pthread_cond_broadcast(&(m->avail[cur_buf].cond)); pthread_mutex_unlock(&(m->avail[cur_buf].lock)); } cur_buf = nxtBuf.idx; } return NULL; } #if defined(HDMI_DUAL_DISPLAY) static int closeHDMIChannel(private_module_t* m) { Overlay* pTemp = m->pobjOverlay; if(pTemp != NULL) pTemp->closeChannel(); return 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; } 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; } bool waitForVsync = true; int flags = WAIT_FOR_VSYNC; if (m->pobjOverlay) { Overlay* pTemp = m->pobjOverlay; if (m->hdmiMirroringState == HDMI_NO_MIRRORING) closeHDMIChannel(m); else if(m->hdmiMirroringState == HDMI_UI_MIRRORING) { if (!pTemp->isChannelUP()) { int alignedW = ALIGN(m->info.xres, 32); private_handle_t const* hnd = reinterpret_cast(m->framebuffer); overlay_buffer_info info; info.width = alignedW; info.height = hnd->height; info.format = hnd->format; info.size = hnd->size; if (m->trueMirrorSupport) flags &= ~WAIT_FOR_VSYNC; // 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) flags |= SECURE_OVERLAY_SESSION; // start the overlay Channel for mirroring // m->enableHDMIOutput corresponds to the fbnum if (pTemp->startChannel(info, m->enableHDMIOutput, false, true, 0, VG0_PIPE, flags)) { pTemp->setFd(m->framebuffer->fd); pTemp->setCrop(0, 0, m->info.xres, m->info.yres); } else closeHDMIChannel(m); } if (pTemp->isChannelUP()) { overlay_rect destRect; int rot = 0; int currOrientation = 0; getSecondaryDisplayDestinationInfo(m, destRect, rot); pTemp->getOrientation(currOrientation); if(rot != currOrientation) { pTemp->setTransform(rot); } EVEN_OUT(destRect.x); EVEN_OUT(destRect.y); EVEN_OUT(destRect.w); EVEN_OUT(destRect.h); int currentX = 0, currentY = 0; uint32_t currentW = 0, currentH = 0; if (pTemp->getPosition(currentX, currentY, currentW, currentH)) { if ((currentX != destRect.x) || (currentY != destRect.y) || (currentW != destRect.w) || (currentH != destRect.h)) { pTemp->setPosition(destRect.x, destRect.y, destRect.w, destRect.h); } } if (m->trueMirrorSupport) { // if video is started the UI channel should be NO_WAIT. flags = !m->videoOverlay ? WAIT_FOR_VSYNC : 0; pTemp->updateOverlayFlags(flags); } pTemp->queueBuffer(m->currentOffset); } } else closeHDMIChannel(m); } pthread_mutex_unlock(&m->overlayLock); } return NULL; } static int fb_videoOverlayStarted(struct framebuffer_device_t* dev, int started) { private_module_t* m = reinterpret_cast( dev->common.module); pthread_mutex_lock(&m->overlayLock); Overlay* pTemp = m->pobjOverlay; if(started != m->videoOverlay) { m->videoOverlay = started; if (!m->trueMirrorSupport) { m->hdmiStateChanged = true; if (started && pTemp) { m->hdmiMirroringState = HDMI_NO_MIRRORING; closeHDMIChannel(m); } else if (m->enableHDMIOutput) m->hdmiMirroringState = HDMI_UI_MIRRORING; pthread_cond_signal(&(m->overlayPost)); } } pthread_mutex_unlock(&m->overlayLock); return 0; } static int fb_enableHDMIOutput(struct framebuffer_device_t* dev, int externaltype) { private_module_t* m = reinterpret_cast( dev->common.module); pthread_mutex_lock(&m->overlayLock); Overlay* pTemp = m->pobjOverlay; //Check if true mirroring can be supported m->trueMirrorSupport = FrameBufferInfo::getInstance()->canSupportTrueMirroring(); m->enableHDMIOutput = externaltype; LOGE("In fb_enableHDMIOutput: externaltype = %d", m->enableHDMIOutput); if(externaltype) { if (m->trueMirrorSupport) { m->hdmiMirroringState = HDMI_UI_MIRRORING; } else { if(!m->videoOverlay) m->hdmiMirroringState = HDMI_UI_MIRRORING; } } else if (!externaltype && pTemp) { m->hdmiMirroringState = HDMI_NO_MIRRORING; closeHDMIChannel(m); } 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; } #endif //Wait until framebuffer content is displayed. ////This is called in the context of threadLoop. ////Display loop wakes this up after display. static int fb_waitForBufferPost(struct framebuffer_device_t* dev) { private_module_t* m = reinterpret_cast( dev->common.module); pthread_mutex_lock(&m->bufferPostLock); while(m->bufferPostDone == false) { pthread_cond_wait(&(m->bufferPostCond), &(m->bufferPostLock)); } pthread_mutex_unlock(&m->bufferPostLock); return 0; } static int fb_resetBufferPostStatus(struct framebuffer_device_t* dev) { private_module_t* m = reinterpret_cast( dev->common.module); pthread_mutex_lock(&m->bufferPostLock); m->bufferPostDone = false; pthread_mutex_unlock(&m->bufferPostLock); return 0; } /* 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; #endif case EVENT_RESET_POSTBUFFER: fb_resetBufferPostStatus(dev); break; case EVENT_WAIT_POSTBUFFER: fb_waitForBufferPost(dev); break; default: LOGE("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; int nxtIdx, futureIdx = -1; bool reuse; struct qbuf_t qb; 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) { reuse = false; nxtIdx = (m->currentIdx + 1) % m->numBuffers; futureIdx = (nxtIdx + 1) % m->numBuffers; if (m->swapInterval == 0) { // if SwapInterval = 0 and no buffers available then reuse // current buf for next rendering so don't post new buffer if (pthread_mutex_trylock(&(m->avail[nxtIdx].lock))) { reuse = true; } else { if (! m->avail[nxtIdx].is_avail) reuse = true; pthread_mutex_unlock(&(m->avail[nxtIdx].lock)); } } if(!reuse){ // unlock previous ("current") Buffer and lock the new buffer m->base.lock(&m->base, buffer, private_module_t::PRIV_USAGE_LOCKED_FOR_POST, 0,0, m->info.xres, m->info.yres, NULL); // post/queue the new buffer pthread_mutex_lock(&(m->avail[nxtIdx].lock)); if (m->avail[nxtIdx].is_avail != true) { LOGE_IF(m->swapInterval != 0, "Found %d buf to be not avail", nxtIdx); } m->avail[nxtIdx].is_avail = false; if (m->avail[nxtIdx].state != AVL) { LOGD("[%d] state %c, expected %c", nxtIdx, framebufferStateName[m->avail[nxtIdx].state], framebufferStateName[AVL]); } m->avail[nxtIdx].state = SUB; pthread_mutex_unlock(&(m->avail[nxtIdx].lock)); qb.idx = nxtIdx; qb.buf = buffer; pthread_mutex_lock(&(m->qlock)); m->disp.push(qb); pthread_cond_signal(&(m->qpost)); pthread_mutex_unlock(&(m->qlock)); if (m->currentBuffer) m->base.unlock(&m->base, m->currentBuffer); m->currentBuffer = buffer; m->currentIdx = nxtIdx; } else { if (m->currentBuffer) m->base.unlock(&m->base, m->currentBuffer); m->base.lock(&m->base, buffer, private_module_t::PRIV_USAGE_LOCKED_FOR_POST, 0,0, m->info.xres, m->info.yres, NULL); m->currentBuffer = buffer; } } else { void* fb_vaddr; void* buffer_vaddr; m->base.lock(&m->base, m->framebuffer, GRALLOC_USAGE_SW_WRITE_RARELY, 0, 0, m->info.xres, m->info.yres, &fb_vaddr); m->base.lock(&m->base, buffer, GRALLOC_USAGE_SW_READ_RARELY, 0, 0, m->info.xres, m->info.yres, &buffer_vaddr); //memcpy(fb_vaddr, buffer_vaddr, m->finfo.line_length * m->info.yres); msm_copy_buffer( m->framebuffer, m->framebuffer->fd, m->info.xres, m->info.yres, m->fbFormat, m->info.xoffset, m->info.yoffset, m->info.width, m->info.height); m->base.unlock(&m->base, buffer); m->base.unlock(&m->base, m->framebuffer); } LOGD_IF(FB_DEBUG, "Framebuffer state: [0] = %c [1] = %c [2] = %c", framebufferStateName[m->avail[0].state], framebufferStateName[m->avail[1].state], framebufferStateName[m->avail[2].state]); return 0; } static int fb_compositionComplete(struct framebuffer_device_t* dev) { // TODO: Properly implement composition complete callback glFinish(); return 0; } static int fb_lockBuffer(struct framebuffer_device_t* dev, int index) { private_module_t* m = reinterpret_cast( dev->common.module); // Return immediately if the buffer is available if ((m->avail[index].state == AVL) || (m->swapInterval == 0)) return 0; pthread_mutex_lock(&(m->avail[index].lock)); while (m->avail[index].state != AVL) { pthread_cond_wait(&(m->avail[index].cond), &(m->avail[index].lock)); } pthread_mutex_unlock(&(m->avail[index].lock)); 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 lest 2 for page flipping) */ int numberOfBuffers = (int)(finfo.smem_len/size); LOGV("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; LOGV("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; LOGW("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; LOGW("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]; LOGI( "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 ); LOGI( "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; #ifdef NO_SURFACEFLINGER_SWAPINTERVAL char pval[PROPERTY_VALUE_MAX]; property_get("debug.gr.swapinterval", pval, "1"); module->swapInterval = atoi(pval); if (module->swapInterval < private_module_t::PRIV_MIN_SWAP_INTERVAL || module->swapInterval > private_module_t::PRIV_MAX_SWAP_INTERVAL) { module->swapInterval = 1; LOGW("Out of range (%d to %d) value for debug.gr.swapinterval, using 1", private_module_t::PRIV_MIN_SWAP_INTERVAL, private_module_t::PRIV_MAX_SWAP_INTERVAL); } #else /* when surfaceflinger supports swapInterval then can just do this */ module->swapInterval = 1; #endif CALC_INIT(); module->currentIdx = -1; pthread_cond_init(&(module->qpost), NULL); pthread_mutex_init(&(module->qlock), NULL); for (i = 0; i < NUM_FRAMEBUFFERS_MAX; i++) { pthread_mutex_init(&(module->avail[i].lock), NULL); pthread_cond_init(&(module->avail[i].cond), NULL); module->avail[i].is_avail = true; module->avail[i].state = AVL; } /* create display update thread */ pthread_t thread1; if (pthread_create(&thread1, NULL, &disp_loop, (void *) module)) { return -errno; } /* * 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) { LOGE("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->pobjOverlay = new Overlay(); 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 pthread_mutex_init(&(module->bufferPostLock), NULL); pthread_cond_init(&(module->bufferPostCond), NULL); module->bufferPostDone = false; 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; dev->device.lockBuffer = fb_lockBuffer; #if defined(HDMI_DUAL_DISPLAY) dev->device.perform = fb_perform; #endif 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) = private_module_t::PRIV_MIN_SWAP_INTERVAL; const_cast(dev->device.maxSwapInterval) = private_module_t::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; LOGD("UPDATE_ON_DEMAND supported"); } *device = &dev->device.common; } // Close the gralloc module gralloc_close(gralloc_device); } return status; } /* Copy a pmem buffer to the framebuffer */ static void msm_copy_buffer(buffer_handle_t handle, int fd, int width, int height, int format, int x, int y, int w, int h) { struct { unsigned int count; mdp_blit_req req; } blit; private_handle_t *priv = (private_handle_t*) handle; memset(&blit, 0, sizeof(blit)); blit.count = 1; blit.req.flags = 0; blit.req.alpha = 0xff; blit.req.transp_mask = 0xffffffff; blit.req.src.width = width; blit.req.src.height = height; blit.req.src.offset = 0; blit.req.src.memory_id = priv->fd; blit.req.dst.width = width; blit.req.dst.height = height; blit.req.dst.offset = 0; blit.req.dst.memory_id = fd; blit.req.dst.format = format; blit.req.src_rect.x = blit.req.dst_rect.x = x; blit.req.src_rect.y = blit.req.dst_rect.y = y; blit.req.src_rect.w = blit.req.dst_rect.w = w; blit.req.src_rect.h = blit.req.dst_rect.h = h; if (ioctl(fd, MSMFB_BLIT, &blit)) LOGE("MSMFB_BLIT failed = %d", -errno); }