/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (C) 2012-2013, The Linux Foundation All rights reserved.
*
* Not a Contribution, Apache license notifications and license are retained
* for attribution purposes only.
*
* 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.
*/
#define HWC_UTILS_DEBUG 0
#include <sys/ioctl.h>
#include <binder/IServiceManager.h>
#include <EGL/egl.h>
#include <cutils/properties.h>
#include <gralloc_priv.h>
#include <overlay.h>
#include <overlayRotator.h>
#include "hwc_utils.h"
#include "hwc_mdpcomp.h"
#include "hwc_fbupdate.h"
#include "mdp_version.h"
#include "hwc_copybit.h"
#include "external.h"
#include "hwc_qclient.h"
#include "QService.h"
#include "comptype.h"
using namespace qClient;
using namespace qService;
using namespace android;
using namespace overlay;
using namespace overlay::utils;
namespace ovutils = overlay::utils;
namespace qhwc {
static int openFramebufferDevice(hwc_context_t *ctx)
{
struct fb_fix_screeninfo finfo;
struct fb_var_screeninfo info;
int fb_fd = openFb(HWC_DISPLAY_PRIMARY);
if (ioctl(fb_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;
#ifdef MSMFB_METADATA_GET
struct msmfb_metadata metadata;
memset(&metadata, 0 , sizeof(metadata));
metadata.op = metadata_op_frame_rate;
if (ioctl(fb_fd, MSMFB_METADATA_GET, &metadata) == -1) {
ALOGE("Error retrieving panel frame rate");
return -errno;
}
float fps = metadata.data.panel_frame_rate;
#else
//XXX: Remove reserved field usage on all baselines
//The reserved[3] field is used to store FPS by the driver.
float fps = info.reserved[3] & 0xFF;
#endif
if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &finfo) == -1)
return -errno;
if (finfo.smem_len <= 0)
return -errno;
ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = fb_fd;
//xres, yres may not be 32 aligned
ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = finfo.line_length /(info.xres/8);
ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = info.xres;
ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = info.yres;
ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi;
ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi;
ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period = 1000000000l / fps;
//Unblank primary on first boot
if(ioctl(fb_fd, FBIOBLANK,FB_BLANK_UNBLANK) < 0) {
ALOGE("%s: Failed to unblank display", __FUNCTION__);
return -errno;
}
ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive = true;
return 0;
}
static int ppdComm(const char* cmd, hwc_context_t *ctx) {
int ret = -1;
ret = send(ctx->mCablProp.daemon_socket, cmd, strlen(cmd), MSG_NOSIGNAL);
if(ret < 0) {
if (errno == EPIPE) {
//For broken pipe case, we will close the socket and
//re-establish the connection
close(ctx->mCablProp.daemon_socket);
int daemon_socket = socket_local_client(DAEMON_SOCKET,
ANDROID_SOCKET_NAMESPACE_RESERVED,
SOCK_STREAM);
if(!daemon_socket) {
ALOGE("Connecting to socket failed: %s", strerror(errno));
ctx->mCablProp.enabled = false;
return -1;
}
struct timeval timeout;
timeout.tv_sec = 1;//wait 1 second before timeout
timeout.tv_usec = 0;
if (setsockopt(daemon_socket, SOL_SOCKET, SO_SNDTIMEO,
(char*)&timeout, sizeof(timeout )) < 0)
ALOGE("setsockopt failed");
ctx->mCablProp.daemon_socket = daemon_socket;
//resend the cmd after connection is re-established
ret = send(ctx->mCablProp.daemon_socket, cmd, strlen(cmd),
MSG_NOSIGNAL);
if (ret < 0) {
ALOGE("Failed to send data over socket: %s",
strerror(errno));
return ret;
}
} else {
ALOGE("Failed to send data over socket: %s",
strerror(errno));
return ret;
}
}
ALOGD_IF(HWC_UTILS_DEBUG, "%s: Sent command: %s", __FUNCTION__, cmd);
return 0;
}
static void connectPPDaemon(hwc_context_t *ctx)
{
char property[PROPERTY_VALUE_MAX];
if ((property_get("ro.qualcomm.cabl", property, NULL) > 0) &&
(atoi(property) == 1)) {
ALOGD("%s: CABL is enabled", __FUNCTION__);
ctx->mCablProp.enabled = true;
} else {
ALOGD("%s: CABL is disabled", __FUNCTION__);
ctx->mCablProp.enabled = false;
return;
}
if ((property_get("persist.qcom.cabl.video_only", property, NULL) > 0) &&
(atoi(property) == 1)) {
ALOGD("%s: CABL is in video only mode", __FUNCTION__);
ctx->mCablProp.videoOnly = true;
} else {
ctx->mCablProp.videoOnly = false;
}
int daemon_socket = socket_local_client(DAEMON_SOCKET,
ANDROID_SOCKET_NAMESPACE_RESERVED,
SOCK_STREAM);
if(!daemon_socket) {
ALOGE("Connecting to socket failed: %s", strerror(errno));
ctx->mCablProp.enabled = false;
return;
}
struct timeval timeout;
timeout.tv_sec = 1; //wait 1 second before timeout
timeout.tv_usec = 0;
if (setsockopt(daemon_socket, SOL_SOCKET, SO_SNDTIMEO,
(char*)&timeout, sizeof(timeout )) < 0)
ALOGE("setsockopt failed");
ctx->mCablProp.daemon_socket = daemon_socket;
}
void initContext(hwc_context_t *ctx)
{
if(openFramebufferDevice(ctx) < 0) {
ALOGE("%s: failed to open framebuffer!!", __FUNCTION__);
}
overlay::Overlay::initOverlay();
ctx->mOverlay = overlay::Overlay::getInstance();
ctx->mRotMgr = new RotMgr();
ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
overlay::Overlay::initOverlay();
ctx->mOverlay = overlay::Overlay::getInstance();
ctx->mRotMgr = new RotMgr();
//Is created and destroyed only once for primary
//For external it could get created and destroyed multiple times depending
//on what external we connect to.
ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] =
IFBUpdate::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
HWC_DISPLAY_PRIMARY);
// Check if the target supports copybit compostion (dyn/mdp/c2d) to
// decide if we need to open the copybit module.
int compositionType =
qdutils::QCCompositionType::getInstance().getCompositionType();
if (compositionType & (qdutils::COMPOSITION_TYPE_DYN |
qdutils::COMPOSITION_TYPE_MDP |
qdutils::COMPOSITION_TYPE_C2D)) {
ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit();
}
ctx->mExtDisplay = new ExternalDisplay(ctx);
for (uint32_t i = 0; i < MAX_DISPLAYS; i++) {
ctx->mLayerRotMap[i] = new LayerRotMap();
}
ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
MDPComp::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
HWC_DISPLAY_PRIMARY);
MDPComp::init(ctx);
ctx->vstate.enable = false;
ctx->vstate.fakevsync = false;
ctx->mExtDispConfiguring = false;
ctx->mBasePipeSetup = false;
//Right now hwc starts the service but anybody could do it, or it could be
//independent process as well.
QService::init();
sp<IQClient> client = new QClient(ctx);
interface_cast<IQService>(
defaultServiceManager()->getService(
String16("display.qservice")))->connect(client);
ALOGI("Initializing Qualcomm Hardware Composer");
ALOGI("MDP version: %d", ctx->mMDP.version);
connectPPDaemon(ctx);
}
void closeContext(hwc_context_t *ctx)
{
if(ctx->mOverlay) {
delete ctx->mOverlay;
ctx->mOverlay = NULL;
}
if(ctx->mRotMgr) {
delete ctx->mRotMgr;
ctx->mRotMgr = NULL;
}
for(int i = 0; i < MAX_DISPLAYS; i++) {
if(ctx->mCopyBit[i]) {
delete ctx->mCopyBit[i];
ctx->mCopyBit[i] = NULL;
}
}
if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) {
close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd);
ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1;
}
if(ctx->mExtDisplay) {
delete ctx->mExtDisplay;
ctx->mExtDisplay = NULL;
}
for(int i = 0; i < MAX_DISPLAYS; i++) {
if(ctx->mFBUpdate[i]) {
delete ctx->mFBUpdate[i];
ctx->mFBUpdate[i] = NULL;
}
if(ctx->mMDPComp[i]) {
delete ctx->mMDPComp[i];
ctx->mMDPComp[i] = NULL;
}
if(ctx->mLayerRotMap[i]) {
delete ctx->mLayerRotMap[i];
ctx->mLayerRotMap[i] = NULL;
}
}
}
void dumpsys_log(android::String8& buf, const char* fmt, ...)
{
va_list varargs;
va_start(varargs, fmt);
buf.appendFormatV(fmt, varargs);
va_end(varargs);
}
/* Calculates the destination position based on the action safe rectangle */
void getActionSafePosition(hwc_context_t *ctx, int dpy, uint32_t& x,
uint32_t& y, uint32_t& w, uint32_t& h) {
// if external supports underscan, do nothing
// it will be taken care in the driver
if(ctx->mExtDisplay->isCEUnderscanSupported())
return;
float wRatio = 1.0;
float hRatio = 1.0;
float xRatio = 1.0;
float yRatio = 1.0;
float fbWidth = ctx->dpyAttr[dpy].xres;
float fbHeight = ctx->dpyAttr[dpy].yres;
float asX = 0;
float asY = 0;
float asW = fbWidth;
float asH= fbHeight;
char value[PROPERTY_VALUE_MAX];
// Apply action safe parameters
property_get("hw.actionsafe.width", value, "0");
int asWidthRatio = atoi(value);
property_get("hw.actionsafe.height", value, "0");
int asHeightRatio = atoi(value);
// based on the action safe ratio, get the Action safe rectangle
asW = fbWidth * (1.0f - asWidthRatio / 100.0f);
asH = fbHeight * (1.0f - asHeightRatio / 100.0f);
asX = (fbWidth - asW) / 2;
asY = (fbHeight - asH) / 2;
// calculate the position ratio
xRatio = (float)x/fbWidth;
yRatio = (float)y/fbHeight;
wRatio = (float)w/fbWidth;
hRatio = (float)h/fbHeight;
//Calculate the position...
x = (xRatio * asW) + asX;
y = (yRatio * asH) + asY;
w = (wRatio * asW);
h = (hRatio * asH);
return;
}
bool needsScaling(hwc_layer_1_t const* layer) {
int dst_w, dst_h, src_w, src_h;
hwc_rect_t displayFrame = layer->displayFrame;
hwc_rect_t sourceCrop = layer->sourceCrop;
dst_w = displayFrame.right - displayFrame.left;
dst_h = displayFrame.bottom - displayFrame.top;
src_w = sourceCrop.right - sourceCrop.left;
src_h = sourceCrop.bottom - sourceCrop.top;
if(((src_w != dst_w) || (src_h != dst_h)))
return true;
return false;
}
bool isAlphaScaled(hwc_layer_1_t const* layer) {
if(needsScaling(layer) && isAlphaPresent(layer)) {
return true;
}
return false;
}
bool isAlphaPresent(hwc_layer_1_t const* layer) {
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(hnd) {
int format = hnd->format;
switch(format) {
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_BGRA_8888:
// In any more formats with Alpha go here..
return true;
default : return false;
}
}
return false;
}
// Switch ppd on/off for YUV
static void configurePPD(hwc_context_t *ctx, int yuvCount) {
if (!ctx->mCablProp.enabled)
return;
if (yuvCount > 0 && !ctx->mCablProp.start) {
ctx->mCablProp.start = true;
if(ctx->mCablProp.videoOnly)
ppdComm("cabl:on", ctx);
else
ppdComm("cabl:yuv_on", ctx);
} else if (yuvCount == 0 && ctx->mCablProp.start) {
ctx->mCablProp.start = false;
if(ctx->mCablProp.videoOnly)
ppdComm("cabl:off", ctx);
else
ppdComm("cabl:yuv_off", ctx);
return;
}
}
void setListStats(hwc_context_t *ctx,
const hwc_display_contents_1_t *list, int dpy) {
const int prevYuvCount = ctx->listStats[dpy].yuvCount;
ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1;
ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1;
ctx->listStats[dpy].skipCount = 0;
ctx->listStats[dpy].needsAlphaScale = false;
ctx->listStats[dpy].preMultipliedAlpha = false;
ctx->listStats[dpy].planeAlpha = false;
ctx->listStats[dpy].yuvCount = 0;
//reset yuv indices
memset(ctx->listStats[dpy].yuvIndices, -1, MAX_NUM_APP_LAYERS);
for (size_t i = 0; i < (list->numHwLayers - 1); i++) {
hwc_layer_1_t const* layer = &list->hwLayers[i];
private_handle_t *hnd = (private_handle_t *)layer->handle;
// continue if i reaches MAX_NUM_APP_LAYERS
if(i >= MAX_NUM_APP_LAYERS)
continue;
if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
continue;
//We disregard FB being skip for now! so the else if
} else if (isSkipLayer(&list->hwLayers[i])) {
ctx->listStats[dpy].skipCount++;
} else if (UNLIKELY(isYuvBuffer(hnd))) {
int& yuvCount = ctx->listStats[dpy].yuvCount;
ctx->listStats[dpy].yuvIndices[yuvCount] = i;
yuvCount++;
if(layer->transform & HWC_TRANSFORM_ROT_90)
ctx->mNeedsRotator = true;
}
if(layer->blending == HWC_BLENDING_PREMULT)
ctx->listStats[dpy].preMultipliedAlpha = true;
if(layer->planeAlpha < 0xFF)
ctx->listStats[dpy].planeAlpha = true;
if(!ctx->listStats[dpy].needsAlphaScale)
ctx->listStats[dpy].needsAlphaScale = isAlphaScaled(layer);
}
//The marking of video begin/end is useful on some targets where we need
//to have a padding round to be able to shift pipes across mixers.
if(prevYuvCount != ctx->listStats[dpy].yuvCount) {
ctx->mVideoTransFlag = true;
}
if (dpy == HWC_DISPLAY_PRIMARY)
configurePPD(ctx, ctx->listStats[dpy].yuvCount);
}
static inline void calc_cut(float& leftCutRatio, float& topCutRatio,
float& rightCutRatio, float& bottomCutRatio, int orient) {
if(orient & HAL_TRANSFORM_FLIP_H) {
swap(leftCutRatio, rightCutRatio);
}
if(orient & HAL_TRANSFORM_FLIP_V) {
swap(topCutRatio, bottomCutRatio);
}
if(orient & HAL_TRANSFORM_ROT_90) {
//Anti clock swapping
float tmpCutRatio = leftCutRatio;
leftCutRatio = topCutRatio;
topCutRatio = rightCutRatio;
rightCutRatio = bottomCutRatio;
bottomCutRatio = tmpCutRatio;
}
}
bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) {
if((ctx->mMDP.version < qdutils::MDSS_V5) &&
(ctx->mMDP.version > qdutils::MDP_V3_0) &&
ctx->mSecuring) {
return true;
}
// On A-Family, Secure policy is applied system wide and not on
// buffers.
if (isSecureModePolicy(ctx->mMDP.version)) {
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(ctx->mSecureMode) {
if (! isSecureBuffer(hnd)) {
// This code path executes for the following usecase:
// Some Apps in which first few seconds, framework
// sends non-secure buffer and with out destroying
// surfaces, switches to secure buffer thereby exposing
// vulnerability on A-family devices. Catch this situation
// and handle it gracefully by allowing it to be composed by
// GPU.
ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle non-secure video layer"
"during secure playback gracefully", __FUNCTION__);
return true;
}
} else {
if (isSecureBuffer(hnd)) {
// This code path executes for the following usecase:
// For some Apps, when User terminates playback, Framework
// doesnt destroy video surface and video surface still
// comes to Display HAL. This exposes vulnerability on
// A-family. Catch this situation and handle it gracefully
// by allowing it to be composed by GPU.
ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle secure video layer"
"during non-secure playback gracefully", __FUNCTION__);
return true;
}
}
}
return false;
}
bool isSecureModePolicy(int mdpVersion) {
if (mdpVersion < qdutils::MDSS_V5)
return true;
else
return false;
}
int getBlending(int blending) {
switch(blending) {
case HWC_BLENDING_NONE:
return overlay::utils::OVERLAY_BLENDING_OPAQUE;
case HWC_BLENDING_PREMULT:
return overlay::utils::OVERLAY_BLENDING_PREMULT;
case HWC_BLENDING_COVERAGE :
default:
return overlay::utils::OVERLAY_BLENDING_COVERAGE;
}
}
//Crops source buffer against destination and FB boundaries
void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
const hwc_rect_t& scissor, int orient) {
int& crop_l = crop.left;
int& crop_t = crop.top;
int& crop_r = crop.right;
int& crop_b = crop.bottom;
int crop_w = crop.right - crop.left;
int crop_h = crop.bottom - crop.top;
int& dst_l = dst.left;
int& dst_t = dst.top;
int& dst_r = dst.right;
int& dst_b = dst.bottom;
int dst_w = abs(dst.right - dst.left);
int dst_h = abs(dst.bottom - dst.top);
const int& sci_l = scissor.left;
const int& sci_t = scissor.top;
const int& sci_r = scissor.right;
const int& sci_b = scissor.bottom;
float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f,
bottomCutRatio = 0.0f;
if(dst_l < sci_l) {
leftCutRatio = (float)(sci_l - dst_l) / (float)dst_w;
dst_l = sci_l;
}
if(dst_r > sci_r) {
rightCutRatio = (float)(dst_r - sci_r) / (float)dst_w;
dst_r = sci_r;
}
if(dst_t < sci_t) {
topCutRatio = (float)(sci_t - dst_t) / (float)dst_h;
dst_t = sci_t;
}
if(dst_b > sci_b) {
bottomCutRatio = (float)(dst_b - sci_b) / (float)dst_h;
dst_b = sci_b;
}
calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
crop_l += crop_w * leftCutRatio;
crop_t += crop_h * topCutRatio;
crop_r -= crop_w * rightCutRatio;
crop_b -= crop_h * bottomCutRatio;
}
void getNonWormholeRegion(hwc_display_contents_1_t* list,
hwc_rect_t& nwr)
{
uint32_t last = list->numHwLayers - 1;
hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame;
//Initiliaze nwr to first frame
nwr.left = list->hwLayers[0].displayFrame.left;
nwr.top = list->hwLayers[0].displayFrame.top;
nwr.right = list->hwLayers[0].displayFrame.right;
nwr.bottom = list->hwLayers[0].displayFrame.bottom;
for (uint32_t i = 1; i < last; i++) {
hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
nwr.left = min(nwr.left, displayFrame.left);
nwr.top = min(nwr.top, displayFrame.top);
nwr.right = max(nwr.right, displayFrame.right);
nwr.bottom = max(nwr.bottom, displayFrame.bottom);
}
//Intersect with the framebuffer
nwr.left = max(nwr.left, fbDisplayFrame.left);
nwr.top = max(nwr.top, fbDisplayFrame.top);
nwr.right = min(nwr.right, fbDisplayFrame.right);
nwr.bottom = min(nwr.bottom, fbDisplayFrame.bottom);
}
bool isExternalActive(hwc_context_t* ctx) {
return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
}
void closeAcquireFds(hwc_display_contents_1_t* list) {
if(LIKELY(list)) {
for(uint32_t i = 0; i < list->numHwLayers; i++) {
//Close the acquireFenceFds
//HWC_FRAMEBUFFER are -1 already by SF, rest we close.
if(list->hwLayers[i].acquireFenceFd >= 0) {
close(list->hwLayers[i].acquireFenceFd);
list->hwLayers[i].acquireFenceFd = -1;
}
}
}
}
int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
int fd) {
int ret = 0;
int acquireFd[MAX_NUM_APP_LAYERS];
int count = 0;
int releaseFd = -1;
int retireFd = -1;
int fbFd = -1;
bool swapzero = false;
int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
struct mdp_buf_sync data;
memset(&data, 0, sizeof(data));
//Until B-family supports sync for rotator
if(mdpVersion >= qdutils::MDSS_V5) {
data.flags = MDP_BUF_SYNC_FLAG_WAIT;
}
data.acq_fen_fd = acquireFd;
data.rel_fen_fd = &releaseFd;
data.retire_fen_fd = &retireFd;
#ifdef DEBUG_SWAPINTERVAL
char property[PROPERTY_VALUE_MAX];
if(property_get("debug.egl.swapinterval", property, "1") > 0) {
if(atoi(property) == 0)
swapzero = true;
}
#endif
#ifndef MDSS_TARGET
//Send acquireFenceFds to rotator
if(mdpVersion < qdutils::MDSS_V5) {
//A-family
int rotFd = ctx->mRotMgr->getRotDevFd();
struct msm_rotator_buf_sync rotData;
for(uint32_t i = 0; i < ctx->mLayerRotMap[dpy]->getCount(); i++) {
memset(&rotData, 0, sizeof(rotData));
int& acquireFenceFd =
ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd;
rotData.acq_fen_fd = acquireFenceFd;
rotData.session_id = ctx->mLayerRotMap[dpy]->getRot(i)->getSessId();
ioctl(rotFd, MSM_ROTATOR_IOCTL_BUFFER_SYNC, &rotData);
close(acquireFenceFd);
//For MDP to wait on.
acquireFenceFd = dup(rotData.rel_fen_fd);
//A buffer is free to be used by producer as soon as its copied to
//rotator.
ctx->mLayerRotMap[dpy]->getLayer(i)->releaseFenceFd =
rotData.rel_fen_fd;
}
} else {
//TODO B-family
}
#endif
//Accumulate acquireFenceFds for MDP
for(uint32_t i = 0; i < list->numHwLayers; i++) {
if(list->hwLayers[i].compositionType == HWC_OVERLAY &&
list->hwLayers[i].acquireFenceFd >= 0) {
if(UNLIKELY(swapzero))
acquireFd[count++] = -1;
else
acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
}
if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
if(UNLIKELY(swapzero))
acquireFd[count++] = -1;
else if(fd >= 0) {
//set the acquireFD from fd - which is coming from c2d
acquireFd[count++] = fd;
// Buffer sync IOCTL should be async when using c2d fence is
// used
data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT;
} else if(list->hwLayers[i].acquireFenceFd >= 0)
acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
}
}
data.acq_fen_fd_cnt = count;
fbFd = ctx->dpyAttr[dpy].fd;
//Waits for acquire fences, returns a release fence
if(LIKELY(!swapzero)) {
uint64_t start = systemTime();
ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d",
__FUNCTION__, (size_t) ns2ms(systemTime() - start));
}
if(ret < 0) {
ALOGE("ioctl MSMFB_BUFFER_SYNC failed, err=%s",
strerror(errno));
}
for(uint32_t i = 0; i < list->numHwLayers; i++) {
if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
//Populate releaseFenceFds.
if(UNLIKELY(swapzero)) {
list->hwLayers[i].releaseFenceFd = -1;
} else if(list->hwLayers[i].releaseFenceFd < 0) {
//If rotator has not already populated this field.
list->hwLayers[i].releaseFenceFd = dup(releaseFd);
}
}
}
if(fd >= 0) {
close(fd);
fd = -1;
}
if (ctx->mCopyBit[dpy])
ctx->mCopyBit[dpy]->setReleaseFd(releaseFd);
//A-family
if(mdpVersion < qdutils::MDSS_V5) {
//Signals when MDP finishes reading rotator buffers.
ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd);
}
close(releaseFd);
if(UNLIKELY(swapzero))
list->retireFenceFd = -1;
else
list->retireFenceFd = retireFd;
return ret;
}
void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
hwc_rect_t& crop, hwc_rect_t& dst) {
int hw_w = ctx->dpyAttr[dpy].xres;
int hw_h = ctx->dpyAttr[dpy].yres;
if(dst.left < 0 || dst.top < 0 ||
dst.right > hw_w || dst.bottom > hw_h) {
hwc_rect_t scissor = {0, 0, hw_w, hw_h };
qhwc::calculate_crop_rects(crop, dst, scissor, transform);
}
}
void setMdpFlags(hwc_layer_1_t *layer,
ovutils::eMdpFlags &mdpFlags,
int rotDownscale) {
private_handle_t *hnd = (private_handle_t *)layer->handle;
MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
const int& transform = layer->transform;
if(layer->blending == HWC_BLENDING_PREMULT) {
ovutils::setMdpFlags(mdpFlags,
ovutils::OV_MDP_BLEND_FG_PREMULT);
}
if(isYuvBuffer(hnd)) {
if(isSecureBuffer(hnd)) {
ovutils::setMdpFlags(mdpFlags,
ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
}
if(metadata && (metadata->operation & PP_PARAM_INTERLACED) &&
metadata->interlaced) {
ovutils::setMdpFlags(mdpFlags,
ovutils::OV_MDP_DEINTERLACE);
}
//Pre-rotation will be used using rotator.
if(transform & HWC_TRANSFORM_ROT_90) {
ovutils::setMdpFlags(mdpFlags,
ovutils::OV_MDP_SOURCE_ROTATED_90);
}
}
//No 90 component and no rot-downscale then flips done by MDP
//If we use rot then it might as well do flips
if(!(layer->transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
if(layer->transform & HWC_TRANSFORM_FLIP_H) {
ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
}
if(layer->transform & HWC_TRANSFORM_FLIP_V) {
ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_V);
}
}
if(metadata &&
((metadata->operation & PP_PARAM_HSIC)
|| (metadata->operation & PP_PARAM_IGC)
|| (metadata->operation & PP_PARAM_SHARP2))) {
ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN);
}
}
static inline int configRotator(Rotator *rot, const Whf& whf,
const Whf& origWhf, const eMdpFlags& mdpFlags,
const eTransform& orient,
const int& downscale) {
rot->setSource(whf, origWhf);
rot->setFlags(mdpFlags);
rot->setTransform(orient);
rot->setDownscale(downscale);
if(!rot->commit()) return -1;
return 0;
}
/*
* Sets up BORDERFILL as default base pipe and detaches RGB0.
* Framebuffer is always updated using PLAY ioctl.
*/
bool setupBasePipe(hwc_context_t *ctx) {
const int dpy = HWC_DISPLAY_PRIMARY;
int fb_width = ctx->dpyAttr[dpy].xres;
int fb_height = ctx->dpyAttr[dpy].yres;
int fb_fd = ctx->dpyAttr[dpy].fd;
mdp_overlay ovInfo;
msmfb_overlay_data ovData;
memset(&ovInfo, 0, sizeof(mdp_overlay));
memset(&ovData, 0, sizeof(msmfb_overlay_data));
ovInfo.src.format = MDP_RGB_BORDERFILL;
ovInfo.src.width = fb_width;
ovInfo.src.height = fb_height;
ovInfo.src_rect.w = fb_width;
ovInfo.src_rect.h = fb_height;
ovInfo.dst_rect.w = fb_width;
ovInfo.dst_rect.h = fb_height;
ovInfo.id = MSMFB_NEW_REQUEST;
if (ioctl(fb_fd, MSMFB_OVERLAY_SET, &ovInfo) < 0) {
ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
strerror(errno));
return false;
}
ovData.id = ovInfo.id;
if (ioctl(fb_fd, MSMFB_OVERLAY_PLAY, &ovData) < 0) {
ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
strerror(errno));
return false;
}
ctx->mBasePipeSetup = true;
return true;
}
static inline int configMdp(Overlay *ov, const PipeArgs& parg,
const eTransform& orient, const hwc_rect_t& crop,
const hwc_rect_t& pos, const MetaData_t *metadata,
const eDest& dest) {
ov->setSource(parg, dest);
ov->setTransform(orient, dest);
int crop_w = crop.right - crop.left;
int crop_h = crop.bottom - crop.top;
Dim dcrop(crop.left, crop.top, crop_w, crop_h);
ov->setCrop(dcrop, dest);
int posW = pos.right - pos.left;
int posH = pos.bottom - pos.top;
Dim position(pos.left, pos.top, posW, posH);
ov->setPosition(position, dest);
if (metadata)
ov->setVisualParams(*metadata, dest);
if (!ov->commit(dest)) {
return -1;
}
return 0;
}
static inline void updateSource(eTransform& orient, Whf& whf,
hwc_rect_t& crop) {
Dim srcCrop(crop.left, crop.top,
crop.right - crop.left,
crop.bottom - crop.top);
//getMdpOrient will switch the flips if the source is 90 rotated.
//Clients in Android dont factor in 90 rotation while deciding the flip.
orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
preRotateSource(orient, whf, srcCrop);
crop.left = srcCrop.x;
crop.top = srcCrop.y;
crop.right = srcCrop.x + srcCrop.w;
crop.bottom = srcCrop.y + srcCrop.h;
}
int configureLowRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
const int& dpy, eMdpFlags& mdpFlags, const eZorder& z,
const eIsFg& isFg, const eDest& dest, Rotator **rot) {
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(!hnd) {
ALOGE("%s: layer handle is NULL", __FUNCTION__);
return -1;
}
MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
hwc_rect_t crop = layer->sourceCrop;
hwc_rect_t dst = layer->displayFrame;
int transform = layer->transform;
eTransform orient = static_cast<eTransform>(transform);
int downscale = 0;
int rotFlags = ovutils::ROT_FLAGS_NONE;
Whf whf(getWidth(hnd), getHeight(hnd),
getMdpFormat(hnd->format), hnd->size);
bool forceRot = false;
if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 &&
ctx->mMDP.version < qdutils::MDSS_V5) {
downscale = getDownscaleFactor(
crop.right - crop.left,
crop.bottom - crop.top,
dst.right - dst.left,
dst.bottom - dst.top);
if(downscale) {
rotFlags = ROT_DOWNSCALE_ENABLED;
}
unsigned int& prevWidth = ctx->mPrevWHF[dpy].w;
unsigned int& prevHeight = ctx->mPrevWHF[dpy].h;
if(prevWidth != (uint32_t)getWidth(hnd) ||
prevHeight != (uint32_t)getHeight(hnd)) {
uint32_t prevBufArea = (prevWidth * prevHeight);
if(prevBufArea) {
forceRot = true;
}
prevWidth = (uint32_t)getWidth(hnd);
prevHeight = (uint32_t)getHeight(hnd);
}
}
setMdpFlags(layer, mdpFlags, downscale);
trimLayer(ctx, dpy, transform, crop, dst);
if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot
((transform & HWC_TRANSFORM_ROT_90) || downscale || forceRot)) {
*rot = ctx->mRotMgr->getNext();
if(*rot == NULL) return -1;
//Configure rotator for pre-rotation
Whf origWhf(hnd->width, hnd->height,
getMdpFormat(hnd->format), hnd->size);
if(configRotator(*rot, whf, origWhf, mdpFlags, orient, downscale) < 0)
return -1;
ctx->mLayerRotMap[dpy]->add(layer, *rot);
whf.format = (*rot)->getDstFormat();
updateSource(orient, whf, crop);
rotFlags |= ovutils::ROT_PREROTATED;
}
//For the mdp, since either we are pre-rotating or MDP does flips
orient = OVERLAY_TRANSFORM_0;
transform = 0;
PipeArgs parg(mdpFlags, whf, z, isFg,
static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
(ovutils::eBlending) getBlending(layer->blending));
if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) {
ALOGE("%s: commit failed for low res panel", __FUNCTION__);
ctx->mLayerRotMap[dpy]->reset();
return -1;
}
return 0;
}
int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
const int& dpy, eMdpFlags& mdpFlagsL, const eZorder& z,
const eIsFg& isFg, const eDest& lDest, const eDest& rDest,
Rotator **rot) {
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(!hnd) {
ALOGE("%s: layer handle is NULL", __FUNCTION__);
return -1;
}
MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
int hw_w = ctx->dpyAttr[dpy].xres;
int hw_h = ctx->dpyAttr[dpy].yres;
hwc_rect_t crop = layer->sourceCrop;
hwc_rect_t dst = layer->displayFrame;
int transform = layer->transform;
eTransform orient = static_cast<eTransform>(transform);
const int downscale = 0;
int rotFlags = ROT_FLAGS_NONE;
Whf whf(getWidth(hnd), getHeight(hnd),
getMdpFormat(hnd->format), hnd->size);
setMdpFlags(layer, mdpFlagsL);
trimLayer(ctx, dpy, transform, crop, dst);
if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
(*rot) = ctx->mRotMgr->getNext();
if((*rot) == NULL) return -1;
//Configure rotator for pre-rotation
Whf origWhf(hnd->width, hnd->height,
getMdpFormat(hnd->format), hnd->size);
if(configRotator(*rot, whf, origWhf, mdpFlagsL, orient, downscale) < 0)
return -1;
ctx->mLayerRotMap[dpy]->add(layer, *rot);
whf.format = (*rot)->getDstFormat();
updateSource(orient, whf, crop);
rotFlags |= ROT_PREROTATED;
}
eMdpFlags mdpFlagsR = mdpFlagsL;
setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER);
hwc_rect_t tmp_cropL, tmp_dstL;
hwc_rect_t tmp_cropR, tmp_dstR;
if(lDest != OV_INVALID) {
tmp_cropL = crop;
tmp_dstL = dst;
hwc_rect_t scissor = {0, 0, hw_w/2, hw_h };
qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
}
if(rDest != OV_INVALID) {
tmp_cropR = crop;
tmp_dstR = dst;
hwc_rect_t scissor = {hw_w/2, 0, hw_w, hw_h };
qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
}
//When buffer is flipped, contents of mixer config also needs to swapped.
//Not needed if the layer is confined to one half of the screen.
//If rotator has been used then it has also done the flips, so ignore them.
if((orient & OVERLAY_TRANSFORM_FLIP_V) && lDest != OV_INVALID
&& rDest != OV_INVALID && rot == NULL) {
hwc_rect_t new_cropR;
new_cropR.left = tmp_cropL.left;
new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
hwc_rect_t new_cropL;
new_cropL.left = new_cropR.right;
new_cropL.right = tmp_cropR.right;
tmp_cropL.left = new_cropL.left;
tmp_cropL.right = new_cropL.right;
tmp_cropR.left = new_cropR.left;
tmp_cropR.right = new_cropR.right;
}
//For the mdp, since either we are pre-rotating or MDP does flips
orient = OVERLAY_TRANSFORM_0;
transform = 0;
//configure left mixer
if(lDest != OV_INVALID) {
PipeArgs pargL(mdpFlagsL, whf, z, isFg,
static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
(ovutils::eBlending) getBlending(layer->blending));
if(configMdp(ctx->mOverlay, pargL, orient,
tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
return -1;
}
}
//configure right mixer
if(rDest != OV_INVALID) {
PipeArgs pargR(mdpFlagsR, whf, z, isFg,
static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
(ovutils::eBlending) getBlending(layer->blending));
tmp_dstR.right = tmp_dstR.right - tmp_dstR.left;
tmp_dstR.left = 0;
if(configMdp(ctx->mOverlay, pargR, orient,
tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
return -1;
}
}
return 0;
}
void LayerRotMap::add(hwc_layer_1_t* layer, Rotator *rot) {
if(mCount >= MAX_SESS) return;
mLayer[mCount] = layer;
mRot[mCount] = rot;
mCount++;
}
void LayerRotMap::reset() {
for (int i = 0; i < MAX_SESS; i++) {
mLayer[i] = 0;
mRot[i] = 0;
}
mCount = 0;
}
void LayerRotMap::setReleaseFd(const int& fence) {
for(uint32_t i = 0; i < mCount; i++) {
mRot[i]->setReleaseFd(dup(fence));
}
}
};//namespace qhwc