LineageOS/android_vendor_qcom_opensource_display-commonsys-intf
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9d373c0b7e3f3a86dd577b8deaee3aa6ee91ba76
android_vendor_qcom_opensou…/libhwcomposer/hwc_utils.cpp
Amara Venkata Mastan Manoj Kumar 9d373c0b7e hwc: Add check for block mode for rotated video 
Do not allow video if it requires pre-rotation and DMA pipe
  is configured in LINE mode. Fall back to GPU in this usecase.
  This is not applicable for wfd on 8x26 since Driver supports
  both multiplexing of DMA pipe in LINE and BLOCK mode as same
  mixer control block is used for rotation and writeback mode.

Change-Id: I5b99b214619134b1bd67f3c441b14f76051e3d3b
2013-08-26 13:54:15 -07:00

1391 lines
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/*
* 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 <math.h>
#include <sys/ioctl.h>
#include <linux/fb.h>
#include <binder/IServiceManager.h>
#include <EGL/egl.h>
#include <cutils/properties.h>
#include <gralloc_priv.h>
#include <overlay.h>
#include <overlayRotator.h>
#include <overlayWriteback.h>
#include "hwc_utils.h"
#include "hwc_mdpcomp.h"
#include "hwc_fbupdate.h"
#include "hwc_ad.h"
#include "mdp_version.h"
#include "hwc_copybit.h"
#include "hwc_dump_layers.h"
#include "external.h"
#include "virtual.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(fb_fd < 0) {
ALOGE("%s: Error Opening FB : %s", __FUNCTION__, strerror(errno));
return -errno;
}
if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &info) == -1) {
ALOGE("%s:Error in ioctl FBIOGET_VSCREENINFO: %s", __FUNCTION__,
strerror(errno));
close(fb_fd);
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("%s:Error retrieving panel frame rate: %s", __FUNCTION__,
strerror(errno));
close(fb_fd);
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) {
ALOGE("%s:Error in ioctl FBIOGET_FSCREENINFO: %s", __FUNCTION__,
strerror(errno));
close(fb_fd);
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;
}
void initContext(hwc_context_t *ctx)
{
openFramebufferDevice(ctx);
ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
const int rightSplit = qdutils::MDPVersion::getInstance().getRightSplit();
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,
rightSplit, 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);
ctx->mVirtualDisplay = new VirtualDisplay(ctx);
ctx->mVirtualonExtActive = false;
ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive = false;
ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].connected = false;
ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = false;
ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected = false;
ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
MDPComp::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
rightSplit, HWC_DISPLAY_PRIMARY);
ctx->dpyAttr[HWC_DISPLAY_PRIMARY].connected = true;
for (uint32_t i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) {
ctx->mHwcDebug[i] = new HwcDebug(i);
ctx->mLayerRotMap[i] = new LayerRotMap();
}
MDPComp::init(ctx);
ctx->mAD = new AssertiveDisplay();
ctx->vstate.enable = false;
ctx->vstate.fakevsync = false;
ctx->mExtOrientation = 0;
//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);
// Initialize "No animation on external display" related parameters.
ctx->deviceOrientation = 0;
ctx->mPrevCropVideo.left = ctx->mPrevCropVideo.top =
ctx->mPrevCropVideo.right = ctx->mPrevCropVideo.bottom = 0;
ctx->mPrevDestVideo.left = ctx->mPrevDestVideo.top =
ctx->mPrevDestVideo.right = ctx->mPrevDestVideo.bottom = 0;
ctx->mPrevTransformVideo = 0;
ALOGI("Initializing Qualcomm Hardware Composer");
ALOGI("MDP version: %d", ctx->mMDP.version);
}
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 < HWC_NUM_DISPLAY_TYPES; 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 < HWC_NUM_DISPLAY_TYPES; 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->mHwcDebug[i]) {
delete ctx->mHwcDebug[i];
ctx->mHwcDebug[i] = NULL;
}
if(ctx->mLayerRotMap[i]) {
delete ctx->mLayerRotMap[i];
ctx->mLayerRotMap[i] = NULL;
}
}
if(ctx->mAD) {
delete ctx->mAD;
ctx->mAD = 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, hwc_rect_t& rect) {
// Position
int x = rect.left, y = rect.top;
int w = rect.right - rect.left;
int h = rect.bottom - rect.top;
// if external supports underscan, do nothing
// it will be taken care in the driver
if(ctx->mExtDisplay->isCEUnderscanSupported())
return;
char value[PROPERTY_VALUE_MAX];
// Read action safe properties
property_get("persist.sys.actionsafe.width", value, "0");
int asWidthRatio = atoi(value);
property_get("persist.sys.actionsafe.height", value, "0");
int asHeightRatio = atoi(value);
if(!asWidthRatio && !asHeightRatio) {
//No action safe ratio set, return
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;
// Since external is rotated 90, need to swap width/height
if(ctx->mExtOrientation & HWC_TRANSFORM_ROT_90)
swap(fbWidth, fbHeight);
float asX = 0;
float asY = 0;
float asW = fbWidth;
float asH= fbHeight;
// 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);
// Convert it back to hwc_rect_t
rect.left = x;
rect.top = y;
rect.right = w + rect.left;
rect.bottom = h + rect.top;
return;
}
/* Calculates the aspect ratio for based on src & dest */
void getAspectRatioPosition(int destWidth, int destHeight, int srcWidth,
int srcHeight, hwc_rect_t& rect) {
int x =0, y =0;
if (srcWidth * destHeight > destWidth * srcHeight) {
srcHeight = destWidth * srcHeight / srcWidth;
srcWidth = destWidth;
} else if (srcWidth * destHeight < destWidth * srcHeight) {
srcWidth = destHeight * srcWidth / srcHeight;
srcHeight = destHeight;
} else {
srcWidth = destWidth;
srcHeight = destHeight;
}
if (srcWidth > destWidth) srcWidth = destWidth;
if (srcHeight > destHeight) srcHeight = destHeight;
x = (destWidth - srcWidth) / 2;
y = (destHeight - srcHeight) / 2;
ALOGD_IF(HWC_UTILS_DEBUG, "%s: AS Position: x = %d, y = %d w = %d h = %d",
__FUNCTION__, x, y, srcWidth , srcHeight);
// Convert it back to hwc_rect_t
rect.left = x;
rect.top = y;
rect.right = srcWidth + rect.left;
rect.bottom = srcHeight + rect.top;
}
// This function gets the destination position for Seconday display
// based on the position and aspect ratio with orientation
void getAspectRatioPosition(hwc_context_t* ctx, int dpy, int extOrientation,
hwc_rect_t& inRect, hwc_rect_t& outRect) {
// Physical display resolution
float fbWidth = ctx->dpyAttr[dpy].xres;
float fbHeight = ctx->dpyAttr[dpy].yres;
//display position(x,y,w,h) in correct aspectratio after rotation
int xPos = 0;
int yPos = 0;
float width = fbWidth;
float height = fbHeight;
// Width/Height used for calculation, after rotation
float actualWidth = fbWidth;
float actualHeight = fbHeight;
float wRatio = 1.0;
float hRatio = 1.0;
float xRatio = 1.0;
float yRatio = 1.0;
hwc_rect_t rect = {0, 0, (int)fbWidth, (int)fbHeight};
Dim inPos(inRect.left, inRect.top, inRect.right - inRect.left,
inRect.bottom - inRect.top);
Dim outPos(outRect.left, outRect.top, outRect.right - outRect.left,
outRect.bottom - outRect.top);
Whf whf(fbWidth, fbHeight, 0);
eTransform extorient = static_cast<eTransform>(extOrientation);
// To calculate the destination co-ordinates in the new orientation
preRotateSource(extorient, whf, inPos);
if(extOrientation & HAL_TRANSFORM_ROT_90) {
// Swap width/height for input position
swapWidthHeight(actualWidth, actualHeight);
getAspectRatioPosition(fbWidth, fbHeight, (int)actualWidth,
(int)actualHeight, rect);
xPos = rect.left;
yPos = rect.top;
width = rect.right - rect.left;
height = rect.bottom - rect.top;
}
//Calculate the position...
xRatio = inPos.x/actualWidth;
yRatio = inPos.y/actualHeight;
wRatio = inPos.w/actualWidth;
hRatio = inPos.h/actualHeight;
outPos.x = (xRatio * width) + xPos;
outPos.y = (yRatio * height) + yPos;
outPos.w = wRatio * width;
outPos.h = hRatio * height;
ALOGD_IF(HWC_UTILS_DEBUG, "%s: Calculated AspectRatio Position: x = %d,"
"y = %d w = %d h = %d", __FUNCTION__, outPos.x, outPos.y,
outPos.w, outPos.h);
// Convert Dim to hwc_rect_t
outRect.left = outPos.x;
outRect.top = outPos.y;
outRect.right = outPos.x + outPos.w;
outRect.bottom = outPos.y + outPos.h;
return;
}
bool isPrimaryPortrait(hwc_context_t *ctx) {
int fbWidth = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres;
int fbHeight = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
if(fbWidth < fbHeight) {
return true;
}
return false;
}
void calcExtDisplayPosition(hwc_context_t *ctx,
int dpy, hwc_rect_t& displayFrame) {
int dstWidth = ctx->dpyAttr[dpy].xres;
int dstHeight = ctx->dpyAttr[dpy].yres;;
int srcWidth = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres;
int srcHeight = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
// Swap width and height when there is a 90deg transform
if(ctx->mExtOrientation & HWC_TRANSFORM_ROT_90) {
if(!isPrimaryPortrait(ctx)) {
swap(srcWidth, srcHeight);
} // Get Aspect Ratio for external
getAspectRatioPosition(dstWidth, dstHeight, srcWidth,
srcHeight, displayFrame);
}
}
bool needsScaling(hwc_context_t* ctx, hwc_layer_1_t const* layer,
const int& dpy) {
int dst_w, dst_h, src_w, src_h;
hwc_rect_t displayFrame = layer->displayFrame;
hwc_rect_t sourceCrop = layer->sourceCrop;
trimLayer(ctx, dpy, layer->transform, sourceCrop, displayFrame);
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_context_t* ctx, hwc_layer_1_t const* layer,
const int& dpy) {
if(needsScaling(ctx, layer, dpy) && 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;
}
void setListStats(hwc_context_t *ctx,
const hwc_display_contents_1_t *list, int dpy) {
const int prevYuvCount = ctx->listStats[dpy].yuvCount;
memset(&ctx->listStats[dpy], 0, sizeof(ListStats));
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].yuvCount = 0;
char property[PROPERTY_VALUE_MAX];
ctx->listStats[dpy].extOnlyLayerIndex = -1;
ctx->listStats[dpy].isDisplayAnimating = false;
for (size_t i = 0; i < (size_t)ctx->listStats[dpy].numAppLayers; i++) {
hwc_layer_1_t const* layer = &list->hwLayers[i];
private_handle_t *hnd = (private_handle_t *)layer->handle;
#ifdef QCOM_BSP
if (layer->flags & HWC_SCREENSHOT_ANIMATOR_LAYER) {
ctx->listStats[dpy].isDisplayAnimating = true;
}
#endif
// continue if number of app layers exceeds MAX_NUM_APP_LAYERS
if(ctx->listStats[dpy].numAppLayers > MAX_NUM_APP_LAYERS)
continue;
//reset yuv indices
ctx->listStats[dpy].yuvIndices[i] = -1;
if (isSkipLayer(&list->hwLayers[i])) {
ctx->listStats[dpy].skipCount++;
}
if (UNLIKELY(isYuvBuffer(hnd))) {
int& yuvCount = ctx->listStats[dpy].yuvCount;
ctx->listStats[dpy].yuvIndices[yuvCount] = i;
yuvCount++;
if((layer->transform & HWC_TRANSFORM_ROT_90) &&
canUseRotator(ctx, dpy)) {
if( (dpy == HWC_DISPLAY_PRIMARY) &&
ctx->mOverlay->isPipeTypeAttached(OV_MDP_PIPE_DMA)) {
ctx->isPaddingRound = true;
}
Overlay::setDMAMode(Overlay::DMA_BLOCK_MODE);
}
}
if(layer->blending == HWC_BLENDING_PREMULT)
ctx->listStats[dpy].preMultipliedAlpha = true;
if(!ctx->listStats[dpy].needsAlphaScale)
ctx->listStats[dpy].needsAlphaScale =
isAlphaScaled(ctx, layer, dpy);
if(UNLIKELY(isExtOnly(hnd))){
ctx->listStats[dpy].extOnlyLayerIndex = i;
}
}
if(ctx->listStats[dpy].yuvCount > 0) {
if (property_get("hw.cabl.yuv", property, NULL) > 0) {
if (atoi(property) != 1) {
property_set("hw.cabl.yuv", "1");
}
}
} else {
if (property_get("hw.cabl.yuv", property, NULL) > 0) {
if (atoi(property) != 0) {
property_set("hw.cabl.yuv", "0");
}
}
}
if(dpy) {
//uncomment the below code for testing purpose.
/* char value[PROPERTY_VALUE_MAX];
property_get("sys.ext_orientation", value, "0");
// Assuming the orientation value is in terms of HAL_TRANSFORM,
// This needs mapping to HAL, if its in different convention
ctx->mExtOrientation = atoi(value); */
// Assuming the orientation value is in terms of HAL_TRANSFORM,
// This needs mapping to HAL, if its in different convention
if(ctx->mExtOrientation) {
ALOGD_IF(HWC_UTILS_DEBUG, "%s: ext orientation = %d",
__FUNCTION__, ctx->mExtOrientation);
if(ctx->mOverlay->isPipeTypeAttached(OV_MDP_PIPE_DMA)) {
ctx->isPaddingRound = true;
}
Overlay::setDMAMode(Overlay::DMA_BLOCK_MODE);
}
}
//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) {
ctx->mAD->markDoable(ctx, list);
}
}
static void calc_cut(double& leftCutRatio, double& topCutRatio,
double& rightCutRatio, double& 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
double 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;
}
if (isSecureModePolicy(ctx->mMDP.version)) {
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(ctx->mSecureMode) {
if (! isSecureBuffer(hnd)) {
ALOGD_IF(HWC_UTILS_DEBUG,"%s:Securing Turning ON ...",
__FUNCTION__);
return true;
}
} else {
if (isSecureBuffer(hnd)) {
ALOGD_IF(HWC_UTILS_DEBUG,"%s:Securing Turning OFF ...",
__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;
int sci_w = abs(sci_r - sci_l);
int sci_h = abs(sci_b - sci_t);
double leftCutRatio = 0.0, rightCutRatio = 0.0, topCutRatio = 0.0,
bottomCutRatio = 0.0;
if(dst_l < sci_l) {
leftCutRatio = (double)(sci_l - dst_l) / (double)dst_w;
dst_l = sci_l;
}
if(dst_r > sci_r) {
rightCutRatio = (double)(dst_r - sci_r) / (double)dst_w;
dst_r = sci_r;
}
if(dst_t < sci_t) {
topCutRatio = (double)(sci_t - dst_t) / (double)dst_h;
dst_t = sci_t;
}
if(dst_b > sci_b) {
bottomCutRatio = (double)(dst_b - sci_b) / (double)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) {
for(uint32_t i = 0; list && 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 fbFd = -1;
int rotFd = -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
#ifdef MDSS_TARGET
data.flags = MDP_BUF_SYNC_FLAG_WAIT;
#endif
data.acq_fen_fd = acquireFd;
data.rel_fen_fd = &releaseFd;
char property[PROPERTY_VALUE_MAX];
if(property_get("debug.egl.swapinterval", property, "1") > 0) {
if(atoi(property) == 0)
swapzero = true;
}
bool isExtAnimating = false;
if(dpy)
isExtAnimating = ctx->listStats[dpy].isDisplayAnimating;
//Send acquireFenceFds to rotator
#ifdef MDSS_TARGET
//TODO B-family
#else
//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;
}
#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("%s: ioctl MSMFB_BUFFER_SYNC failed, err=%s",
__FUNCTION__, strerror(errno));
ALOGE("%s: acq_fen_fd_cnt=%d flags=%d fd=%d dpy=%d numHwLayers=%d",
__FUNCTION__, data.acq_fen_fd_cnt, data.flags, fbFd,
dpy, list->numHwLayers);
}
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(isExtAnimating) {
// Release all the app layer fds immediately,
// if animation is in progress.
hwc_layer_1_t const* layer = &list->hwLayers[i];
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(isYuvBuffer(hnd)) {
list->hwLayers[i].releaseFenceFd = dup(releaseFd);
} else
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);
#ifdef MDSS_TARGET
//TODO When B is implemented remove #ifdefs from here
//The API called applies to RotMem buffers
#else
//A-family
//Signals when MDP finishes reading rotator buffers.
ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd);
#endif
// if external is animating, close the relaseFd
if(isExtAnimating) {
close(releaseFd);
releaseFd = -1;
}
if(UNLIKELY(swapzero)){
list->retireFenceFd = -1;
close(releaseFd);
} else {
list->retireFenceFd = releaseFd;
}
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, int transform) {
private_handle_t *hnd = (private_handle_t *)layer->handle;
MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
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(!(transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
if(transform & HWC_TRANSFORM_FLIP_H) {
ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
}
if(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);
}
}
int configRotator(Rotator *rot, const Whf& whf,
hwc_rect_t& crop, const eMdpFlags& mdpFlags,
const eTransform& orient, const int& downscale) {
rot->setSource(whf);
if (qdutils::MDPVersion::getInstance().getMDPVersion() >=
qdutils::MDSS_V5) {
uint32_t crop_w = (crop.right - crop.left);
uint32_t crop_h = (crop.bottom - crop.top);
if (ovutils::isYuv(whf.format)) {
ovutils::normalizeCrop((uint32_t&)crop.left, crop_w);
ovutils::normalizeCrop((uint32_t&)crop.top, crop_h);
// For interlaced, crop.h should be 4-aligned
if ((mdpFlags & ovutils::OV_MDP_DEINTERLACE) && (crop_h % 4))
crop_h = ovutils::aligndown(crop_h, 4);
crop.right = crop.left + crop_w;
crop.bottom = crop.top + crop_h;
}
Dim rotCrop(crop.left, crop.top, crop_w, crop_h);
rot->setCrop(rotCrop);
}
rot->setFlags(mdpFlags);
rot->setTransform(orient);
rot->setDownscale(downscale);
if(!rot->commit()) return -1;
return 0;
}
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;
}
void updateSource(eTransform& orient, Whf& whf,
hwc_rect_t& crop) {
Dim srcCrop(crop.left, crop.top,
crop.right - crop.left,
crop.bottom - crop.top);
orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
preRotateSource(orient, whf, srcCrop);
if (qdutils::MDPVersion::getInstance().getMDPVersion() >=
qdutils::MDSS_V5) {
// Source for overlay will be the cropped (and rotated)
crop.left = 0;
crop.top = 0;
crop.right = srcCrop.w;
crop.bottom = srcCrop.h;
// Set width & height equal to sourceCrop w & h
whf.w = srcCrop.w;
whf.h = srcCrop.h;
} else {
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, eZorder& z,
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(hnd->width, hnd->height,
getMdpFormat(hnd->format), hnd->size);
if(dpy && isYuvBuffer(hnd)) {
if(!ctx->listStats[dpy].isDisplayAnimating) {
ctx->mPrevCropVideo = crop;
ctx->mPrevDestVideo = dst;
ctx->mPrevTransformVideo = transform;
} else {
// Restore the previous crop, dest rect and transform values, during
// animation to avoid displaying videos at random coordinates.
crop = ctx->mPrevCropVideo;
dst = ctx->mPrevDestVideo;
transform = ctx->mPrevTransformVideo;
orient = static_cast<eTransform>(transform);
//In you tube use case when a device rotated from landscape to
// portrait, set the isFg flag and zOrder to avoid displaying UI on
// hdmi during animation
if(ctx->deviceOrientation) {
isFg = ovutils::IS_FG_SET;
z = ZORDER_1;
}
}
}
if(dpy) {
// Just need to set the position to portrait as the transformation
// will already be set to required orientation on TV
if(ctx->mExtOrientation) {
getAspectRatioPosition(ctx, dpy, ctx->mExtOrientation, dst, dst);
}
// Calculate the actionsafe dimensions for External(dpy = 1 or 2)
getActionSafePosition(ctx, dpy, dst);
}
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;
}
}
setMdpFlags(layer, mdpFlags, downscale, transform);
trimLayer(ctx, dpy, transform, crop, dst);
//Will do something only if feature enabled and conditions suitable
//hollow call otherwise
if(ctx->mAD->prepare(ctx, crop, whf, hnd)) {
overlay::Writeback *wb = overlay::Writeback::getInstance();
whf.format = wb->getOutputFormat();
}
if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot
((transform & HWC_TRANSFORM_ROT_90) || downscale)) {
*rot = ctx->mRotMgr->getNext();
if(*rot == NULL) return -1;
BwcPM::setBwc(ctx, crop, dst, transform, mdpFlags);
//Configure rotator for pre-rotation
if(configRotator(*rot, whf, crop, mdpFlags, orient, downscale) < 0) {
ALOGE("%s: configRotator failed!", __FUNCTION__);
ctx->mOverlay->clear(dpy);
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__);
return -1;
}
return 0;
}
int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
const int& dpy, eMdpFlags& mdpFlagsL, eZorder& z,
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(hnd->width, hnd->height,
getMdpFormat(hnd->format), hnd->size);
if(dpy && isYuvBuffer(hnd)) {
if(!ctx->listStats[dpy].isDisplayAnimating) {
ctx->mPrevCropVideo = crop;
ctx->mPrevDestVideo = dst;
ctx->mPrevTransformVideo = transform;
} else {
// Restore the previous crop, dest rect and transform values, during
// animation to avoid displaying videos at random coordinates.
crop = ctx->mPrevCropVideo;
dst = ctx->mPrevDestVideo;
transform = ctx->mPrevTransformVideo;
orient = static_cast<eTransform>(transform);
//In you tube use case when a device rotated from landscape to
// portrait, set the isFg flag and zOrder to avoid displaying UI on
// hdmi during animation
if(ctx->deviceOrientation) {
isFg = ovutils::IS_FG_SET;
z = ZORDER_1;
}
}
}
setMdpFlags(layer, mdpFlagsL, 0, transform);
trimLayer(ctx, dpy, transform, crop, dst);
//Will do something only if feature enabled and conditions suitable
//hollow call otherwise
if(ctx->mAD->prepare(ctx, crop, whf, hnd)) {
overlay::Writeback *wb = overlay::Writeback::getInstance();
whf.format = wb->getOutputFormat();
}
if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
(*rot) = ctx->mRotMgr->getNext();
if((*rot) == NULL) return -1;
//Configure rotator for pre-rotation
if(configRotator(*rot, whf, crop, mdpFlagsL, orient, downscale) < 0) {
ALOGE("%s: configRotator failed!", __FUNCTION__);
ctx->mOverlay->clear(dpy);
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;
const int lSplit = getLeftSplit(ctx, dpy);
if(lDest != OV_INVALID) {
tmp_cropL = crop;
tmp_dstL = dst;
hwc_rect_t scissor = {0, 0, lSplit, 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 = {lSplit, 0, hw_w, hw_h };
qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
}
//When buffer is H-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_H) && 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 - lSplit;
tmp_dstR.left = tmp_dstR.left - lSplit;
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;
}
bool canUseRotator(hwc_context_t *ctx, int dpy) {
if(qdutils::MDPVersion::getInstance().is8x26() &&
ctx->mVirtualDisplay->isConnected()) {
// Allow if YUV needs rotation and DMA is configured to BLOCK mode for
// primary. For portrait videos usecase on WFD, Driver supports
// multiplexing of DMA pipe in LINE and BLOCK mode.
if(dpy == HWC_DISPLAY_PRIMARY)
return false;
}
if(ctx->mMDP.version == qdutils::MDP_V3_0_4)
return false;
return true;
}
int getLeftSplit(hwc_context_t *ctx, const int& dpy) {
//Default even split for all displays with high res
int lSplit = ctx->dpyAttr[dpy].xres / 2;
if(dpy == HWC_DISPLAY_PRIMARY &&
qdutils::MDPVersion::getInstance().getLeftSplit()) {
//Override if split published by driver for primary
lSplit = qdutils::MDPVersion::getInstance().getLeftSplit();
}
return lSplit;
}
void BwcPM::setBwc(hwc_context_t *ctx, const hwc_rect_t& crop,
const hwc_rect_t& dst, const int& transform,
ovutils::eMdpFlags& mdpFlags) {
//Target doesnt support Bwc
if(!qdutils::MDPVersion::getInstance().supportsBWC()) {
return;
}
//src width > MAX mixer supported dim
if((crop.right - crop.left) > qdutils::MAX_DISPLAY_DIM) {
return;
}
//External connected
if(ctx->mExtDisplay->isConnected()|| ctx->mVirtualDisplay->isConnected()) {
return;
}
//Decimation necessary, cannot use BWC. H/W requirement.
if(qdutils::MDPVersion::getInstance().supportsDecimation()) {
int src_w = crop.right - crop.left;
int src_h = crop.bottom - crop.top;
int dst_w = dst.right - dst.left;
int dst_h = dst.bottom - dst.top;
if(transform & HAL_TRANSFORM_ROT_90) {
swap(src_w, src_h);
}
float horDscale = 0.0f;
float verDscale = 0.0f;
int horzDeci = 0;
int vertDeci = 0;
ovutils::getDecimationFactor(src_w, src_h, dst_w, dst_h, horDscale,
verDscale);
//TODO Use log2f once math.h has it
if((int)horDscale)
horzDeci = (int)(log(horDscale) / log(2));
if((int)verDscale)
vertDeci = (int)(log(verDscale) / log(2));
if(horzDeci || vertDeci) return;
}
//Property
char value[PROPERTY_VALUE_MAX];
property_get("debug.disable.bwc", value, "0");
if(atoi(value)) return;
ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDSS_MDP_BWC_EN);
}
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
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