| /* |
| * 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 <sys/mman.h> |
| |
| #include <cutils/log.h> |
| #include <cutils/properties.h> |
| #include <dlfcn.h> |
| |
| #include <hardware/hardware.h> |
| |
| #include <fcntl.h> |
| #include <errno.h> |
| #include <sys/ioctl.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <pthread.h> |
| #include <cutils/atomic.h> |
| |
| #include <linux/fb.h> |
| #include <linux/msm_mdp.h> |
| |
| #include <GLES/gl.h> |
| |
| #include "gralloc_priv.h" |
| #include "fb_priv.h" |
| #include "gr.h" |
| #include <cutils/properties.h> |
| #include <profiler.h> |
| |
| #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 (a<b) ? a : b; |
| } |
| /** max of int a, b */ |
| static inline int max(int a, int b) { |
| return (a>b) ? 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<private_module_t*>( |
| 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<private_module_t*>( |
| 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<private_module_t*>(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<private_handle_t const*>(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<private_module_t*>( |
| 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<private_module_t*>( |
| 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<private_module_t*>( |
| 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<private_module_t*>( |
| 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<private_handle_t const*>(buffer); |
| private_module_t* m = |
| reinterpret_cast<private_module_t*>(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[3] field is used to store FPS by the driver. |
| float fps = info.reserved[3]; |
| |
| 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<private_module_t*>( |
| 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<hw_module_t*>(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<uint32_t&>(dev->device.flags) = 0; |
| const_cast<uint32_t&>(dev->device.width) = m->info.xres; |
| const_cast<uint32_t&>(dev->device.height) = m->info.yres; |
| const_cast<int&>(dev->device.stride) = stride; |
| const_cast<int&>(dev->device.format) = m->fbFormat; |
| const_cast<float&>(dev->device.xdpi) = m->xdpi; |
| const_cast<float&>(dev->device.ydpi) = m->ydpi; |
| const_cast<float&>(dev->device.fps) = m->fps; |
| const_cast<int&>(dev->device.minSwapInterval) = PRIV_MIN_SWAP_INTERVAL; |
| const_cast<int&>(dev->device.maxSwapInterval) = PRIV_MAX_SWAP_INTERVAL; |
| const_cast<int&>(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; |
| } |