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v811_spc009/hardware/qcom/display/msm8994/libhwcomposer/hwc_copybit.cpp

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/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (C) 2012-2014, The Linux Foundation. All rights reserved.
*
* Not a Contribution.
*
* 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 DEBUG_COPYBIT 0
#include <copybit.h>
#include <utils/Timers.h>
#include <mdp_version.h>
#include "hwc_copybit.h"
#include "comptype.h"
#include "gr.h"
#include "cb_utils.h"
#include "cb_swap_rect.h"
#include "math.h"
#include "sync/sync.h"
using namespace qdutils;
namespace qhwc {
struct range {
int current;
int end;
};
struct region_iterator : public copybit_region_t {
region_iterator(hwc_region_t region) {
mRegion = region;
r.end = (int)region.numRects;
r.current = 0;
this->next = iterate;
}
private:
static int iterate(copybit_region_t const * self, copybit_rect_t* rect){
if (!self || !rect) {
ALOGE("iterate invalid parameters");
return 0;
}
region_iterator const* me =
static_cast<region_iterator const*>(self);
if (me->r.current != me->r.end) {
rect->l = me->mRegion.rects[me->r.current].left;
rect->t = me->mRegion.rects[me->r.current].top;
rect->r = me->mRegion.rects[me->r.current].right;
rect->b = me->mRegion.rects[me->r.current].bottom;
me->r.current++;
return 1;
}
return 0;
}
hwc_region_t mRegion;
mutable range r;
};
void CopyBit::reset() {
mIsModeOn = false;
mCopyBitDraw = false;
}
bool CopyBit::canUseCopybitForYUV(hwc_context_t *ctx) {
// return true for non-overlay targets
if(ctx->mMDP.hasOverlay && ctx->mMDP.version >= qdutils::MDP_V4_0) {
return false;
}
return true;
}
bool CopyBit::canUseCopybitForRGB(hwc_context_t *ctx,
hwc_display_contents_1_t *list,
int dpy) {
int compositionType = qdutils::QCCompositionType::
getInstance().getCompositionType();
if (compositionType & qdutils::COMPOSITION_TYPE_DYN) {
// DYN Composition:
// use copybit, if (TotalRGBRenderArea < threashold * FB Area)
// this is done based on perf inputs in ICS
// TODO: Above condition needs to be re-evaluated in JB
int fbWidth = ctx->dpyAttr[dpy].xres;
int fbHeight = ctx->dpyAttr[dpy].yres;
unsigned int fbArea = (fbWidth * fbHeight);
unsigned int renderArea = getRGBRenderingArea(ctx, list);
ALOGD_IF (DEBUG_COPYBIT, "%s:renderArea %u, fbArea %u",
__FUNCTION__, renderArea, fbArea);
if (renderArea < (mDynThreshold * fbArea)) {
return true;
}
} else if ((compositionType & qdutils::COMPOSITION_TYPE_MDP)) {
// MDP composition, use COPYBIT always
return true;
} else if ((compositionType & qdutils::COMPOSITION_TYPE_C2D)) {
// C2D composition, use COPYBIT
return true;
}
return false;
}
unsigned int CopyBit::getRGBRenderingArea (const hwc_context_t *ctx,
const hwc_display_contents_1_t *list) {
//Calculates total rendering area for RGB layers
unsigned int renderArea = 0;
unsigned int w=0, h=0;
// Skipping last layer since FrameBuffer layer should not affect
// which composition to choose
for (unsigned int i=0; i<list->numHwLayers -1; i++) {
private_handle_t *hnd = (private_handle_t *)list->hwLayers[i].handle;
if (hnd) {
if (BUFFER_TYPE_UI == hnd->bufferType && !ctx->copybitDrop[i]) {
getLayerResolution(&list->hwLayers[i], w, h);
renderArea += (w*h);
}
}
}
return renderArea;
}
int CopyBit::getLayersChanging(hwc_context_t *ctx,
hwc_display_contents_1_t *list,
int dpy){
int changingLayerIndex = -1;
if(mLayerCache.layerCount != ctx->listStats[dpy].numAppLayers) {
mLayerCache.reset();
mFbCache.reset();
mLayerCache.updateCounts(ctx,list,dpy);
return -1;
}
int updatingLayerCount = 0;
for (int k = ctx->listStats[dpy].numAppLayers-1; k >= 0 ; k--){
//swap rect will kick in only for single updating layer
if(mLayerCache.hnd[k] != list->hwLayers[k].handle){
updatingLayerCount ++;
if(updatingLayerCount == 1)
changingLayerIndex = k;
}
}
//since we are using more than one framebuffers,we have to
//kick in swap rect only if we are getting continuous same
//dirty rect for same layer at least equal of number of
//framebuffers
if ( updatingLayerCount == 1 ) {
hwc_rect_t dirtyRect = list->hwLayers[changingLayerIndex].displayFrame;
#ifdef QCOM_BSP
dirtyRect = list->hwLayers[changingLayerIndex].dirtyRect;
#endif
for (int k = ctx->listStats[dpy].numAppLayers-1; k >= 0 ; k--){
//disable swap rect for overlapping visible layer(s)
hwc_rect_t displayFrame = list->hwLayers[k].displayFrame;
hwc_rect_t result = getIntersection(displayFrame,dirtyRect);
if((k != changingLayerIndex) && isValidRect(result)){
return -1;
}
}
mFbCache.insertAndUpdateFbCache(dirtyRect);
if(mFbCache.getUnchangedFbDRCount(dirtyRect) <
NUM_RENDER_BUFFERS)
changingLayerIndex = -1;
}else {
mFbCache.reset();
changingLayerIndex = -1;
}
mLayerCache.updateCounts(ctx,list,dpy);
return changingLayerIndex;
}
int CopyBit::checkDirtyRect(hwc_context_t *ctx,
hwc_display_contents_1_t *list,
int dpy) {
//dirty rect will enable only if
//1.Only single layer is updating.
//2.No overlapping
//3.No scaling
//4.No video layer
if(mSwapRectEnable == false)
return -1;
int changingLayerIndex = getLayersChanging(ctx, list, dpy);
//swap rect will kick in only for single updating layer
if(changingLayerIndex == -1){
return -1;
}
if(!needsScaling(&list->hwLayers[changingLayerIndex])){
private_handle_t *hnd =
(private_handle_t *)list->hwLayers[changingLayerIndex].handle;
if( hnd && !isYuvBuffer(hnd))
return changingLayerIndex;
}
return -1;
}
bool CopyBit::prepareOverlap(hwc_context_t *ctx,
hwc_display_contents_1_t *list) {
if (ctx->mMDP.version < qdutils::MDP_V4_0) {
ALOGE("%s: Invalid request", __FUNCTION__);
return false;
}
if (mEngine == NULL || !(validateParams(ctx, list))) {
ALOGE("%s: Invalid Params", __FUNCTION__);
return false;
}
PtorInfo* ptorInfo = &(ctx->mPtorInfo);
// Allocate render buffers if they're not allocated
int alignW = 0, alignH = 0;
int finalW = 0, finalH = 0;
for (int i = 0; i < ptorInfo->count; i++) {
int ovlapIndex = ptorInfo->layerIndex[i];
hwc_rect_t overlap = list->hwLayers[ovlapIndex].displayFrame;
// render buffer width will be the max of two layers
// Align Widht and height to 32, Mdp would be configured
// with Aligned overlap w/h
finalW = max(finalW, ALIGN((overlap.right - overlap.left), 32));
finalH += ALIGN((overlap.bottom - overlap.top), 32);
if(finalH > ALIGN((overlap.bottom - overlap.top), 32)) {
// Calculate the dest top, left will always be zero
ptorInfo->displayFrame[i].top = (finalH -
(ALIGN((overlap.bottom - overlap.top), 32)));
}
// calculate the right and bottom values
ptorInfo->displayFrame[i].right = ptorInfo->displayFrame[i].left +
(overlap.right - overlap.left);
ptorInfo->displayFrame[i].bottom = ptorInfo->displayFrame[i].top +
(overlap.bottom - overlap.top);
}
getBufferSizeAndDimensions(finalW, finalH, HAL_PIXEL_FORMAT_RGBA_8888,
alignW, alignH);
if ((mAlignedWidth != alignW) || (mAlignedHeight != alignH)) {
// Overlap rect has changed, so free render buffers
freeRenderBuffers();
}
int ret = allocRenderBuffers(alignW, alignH, HAL_PIXEL_FORMAT_RGBA_8888);
if (ret < 0) {
ALOGE("%s: Render buffer allocation failed", __FUNCTION__);
return false;
}
mAlignedWidth = alignW;
mAlignedHeight = alignH;
mCurRenderBufferIndex = (mCurRenderBufferIndex + 1) % NUM_RENDER_BUFFERS;
return true;
}
bool CopyBit::prepare(hwc_context_t *ctx, hwc_display_contents_1_t *list,
int dpy) {
if(mEngine == NULL) {
// No copybit device found - cannot use copybit
return false;
}
if(ctx->mThermalBurstMode) {
ALOGD_IF (DEBUG_COPYBIT, "%s:Copybit failed,"
"Running in Thermal Burst mode",__FUNCTION__);
return false;
}
int compositionType = qdutils::QCCompositionType::
getInstance().getCompositionType();
if ((compositionType == qdutils::COMPOSITION_TYPE_GPU) ||
(compositionType == qdutils::COMPOSITION_TYPE_CPU)) {
//GPU/CPU composition, don't change layer composition type
return true;
}
if(!(validateParams(ctx, list))) {
ALOGE("%s:Invalid Params", __FUNCTION__);
return false;
}
if(ctx->listStats[dpy].skipCount) {
//GPU will be anyways used
return false;
}
if (ctx->listStats[dpy].numAppLayers > MAX_NUM_APP_LAYERS) {
// Reached max layers supported by HWC.
return false;
}
bool useCopybitForYUV = canUseCopybitForYUV(ctx);
bool useCopybitForRGB = canUseCopybitForRGB(ctx, list, dpy);
LayerProp *layerProp = ctx->layerProp[dpy];
// Following are MDP3 limitations for which we
// need to fallback to GPU composition:
// 1. Plane alpha is not supported by MDP3.
// 2. Scaling is within range
if (qdutils::MDPVersion::getInstance().getMDPVersion() < 400) {
for (int i = ctx->listStats[dpy].numAppLayers-1; i >= 0 ; i--) {
int dst_h, dst_w, src_h, src_w;
float dx, dy;
if(ctx->copybitDrop[i]) {
continue;
}
hwc_layer_1_t *layer = (hwc_layer_1_t *) &list->hwLayers[i];
if (layer->planeAlpha != 0xFF)
return true;
hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf);
if (has90Transform(layer)) {
src_h = sourceCrop.right - sourceCrop.left;
src_w = sourceCrop.bottom - sourceCrop.top;
} else {
src_h = sourceCrop.bottom - sourceCrop.top;
src_w = sourceCrop.right - sourceCrop.left;
}
dst_h = layer->displayFrame.bottom - layer->displayFrame.top;
dst_w = layer->displayFrame.right - layer->displayFrame.left;
if(src_w <=0 || src_h<=0 ||dst_w<=0 || dst_h<=0 ) {
ALOGE("%s: wrong params for display screen_w=%d \
src_crop_width=%d screen_h=%d src_crop_height=%d",
__FUNCTION__, dst_w,src_w,dst_h,src_h);
return false;
}
dx = (float)dst_w/(float)src_w;
dy = (float)dst_h/(float)src_h;
if (dx > MAX_SCALE_FACTOR || dx < MIN_SCALE_FACTOR)
return false;
if (dy > MAX_SCALE_FACTOR || dy < MIN_SCALE_FACTOR)
return false;
}
}
//Allocate render buffers if they're not allocated
if ((ctx->mMDP.version != qdutils::MDP_V3_0_4 &&
ctx->mMDP.version != qdutils::MDP_V3_0_5) &&
(useCopybitForYUV || useCopybitForRGB)) {
int ret = allocRenderBuffers(mAlignedWidth,
mAlignedHeight,
HAL_PIXEL_FORMAT_RGBA_8888);
if (ret < 0) {
return false;
} else {
mCurRenderBufferIndex = (mCurRenderBufferIndex + 1) %
NUM_RENDER_BUFFERS;
}
}
// We cannot mix copybit layer with layers marked to be drawn on FB
if (!useCopybitForYUV && ctx->listStats[dpy].yuvCount)
return true;
mCopyBitDraw = false;
if (useCopybitForRGB &&
(useCopybitForYUV || !ctx->listStats[dpy].yuvCount)) {
mCopyBitDraw = true;
// numAppLayers-1, as we iterate till 0th layer index
// Mark all layers to be drawn by copybit
for (int i = ctx->listStats[dpy].numAppLayers-1; i >= 0 ; i--) {
layerProp[i].mFlags |= HWC_COPYBIT;
#ifdef QCOM_BSP
if (ctx->mMDP.version == qdutils::MDP_V3_0_4 ||
ctx->mMDP.version == qdutils::MDP_V3_0_5)
list->hwLayers[i].compositionType = HWC_BLIT;
else
#endif
list->hwLayers[i].compositionType = HWC_OVERLAY;
}
}
return true;
}
int CopyBit::clear (private_handle_t* hnd, hwc_rect_t& rect)
{
int ret = 0;
copybit_rect_t clear_rect = {rect.left, rect.top,
rect.right,
rect.bottom};
copybit_image_t buf;
buf.w = ALIGN(getWidth(hnd),32);
buf.h = getHeight(hnd);
buf.format = hnd->format;
buf.base = (void *)hnd->base;
buf.handle = (native_handle_t *)hnd;
copybit_device_t *copybit = mEngine;
ret = copybit->clear(copybit, &buf, &clear_rect);
return ret;
}
bool CopyBit::drawUsingAppBufferComposition(hwc_context_t *ctx,
hwc_display_contents_1_t *list,
int dpy, int *copybitFd) {
int layerCount = 0;
uint32_t last = (uint32_t)list->numHwLayers - 1;
hwc_layer_1_t *fbLayer = &list->hwLayers[last];
private_handle_t *fbhnd = (private_handle_t *)fbLayer->handle;
if(ctx->enableABC == false)
return false;
if(ctx->listStats[dpy].numAppLayers > MAX_LAYERS_FOR_ABC )
return false;
layerCount = ctx->listStats[dpy].numAppLayers;
//bottom most layer should
//equal to FB
hwc_layer_1_t *tmpLayer = &list->hwLayers[0];
private_handle_t *hnd = (private_handle_t *)tmpLayer->handle;
if(hnd && fbhnd && (hnd->size == fbhnd->size) &&
(hnd->width == fbhnd->width) && (hnd->height == fbhnd->height)){
if(tmpLayer->transform ||
(!(hnd->format == HAL_PIXEL_FORMAT_RGBA_8888 ||
hnd->format == HAL_PIXEL_FORMAT_RGBX_8888)) ||
(needsScaling(tmpLayer) == true)) {
return false;
}else {
ctx->listStats[dpy].renderBufIndexforABC = 0;
}
}
if(ctx->listStats[dpy].renderBufIndexforABC == 0) {
if(layerCount == 1)
return true;
if(layerCount == MAX_LAYERS_FOR_ABC) {
int abcRenderBufIdx = ctx->listStats[dpy].renderBufIndexforABC;
//enable ABC only for non intersecting layers.
hwc_rect_t displayFrame =
list->hwLayers[abcRenderBufIdx].displayFrame;
for (int i = abcRenderBufIdx + 1; i < layerCount; i++) {
hwc_rect_t tmpDisplayFrame = list->hwLayers[i].displayFrame;
hwc_rect_t result = getIntersection(displayFrame,tmpDisplayFrame);
if (isValidRect(result)) {
ctx->listStats[dpy].renderBufIndexforABC = -1;
return false;
}
}
// Pass the Acquire Fence FD to driver for base layer
private_handle_t *renderBuffer =
(private_handle_t *)list->hwLayers[abcRenderBufIdx].handle;
copybit_device_t *copybit = getCopyBitDevice();
if(list->hwLayers[abcRenderBufIdx].acquireFenceFd >=0){
copybit->set_sync(copybit,
list->hwLayers[abcRenderBufIdx].acquireFenceFd);
}
for(int i = abcRenderBufIdx + 1; i < layerCount; i++){
int retVal = drawLayerUsingCopybit(ctx,
&(list->hwLayers[i]),renderBuffer, 0);
if(retVal < 0) {
ALOGE("%s : Copybit failed", __FUNCTION__);
}
}
// Get Release Fence FD of copybit for the App layer(s)
copybit->flush_get_fence(copybit, copybitFd);
close(list->hwLayers[abcRenderBufIdx].acquireFenceFd);
list->hwLayers[abcRenderBufIdx].acquireFenceFd = -1;
return true;
}
}
return false;
}
bool CopyBit::draw(hwc_context_t *ctx, hwc_display_contents_1_t *list,
int dpy, int32_t *fd) {
// draw layers marked for COPYBIT
int retVal = true;
int copybitLayerCount = 0;
uint32_t last = 0;
LayerProp *layerProp = ctx->layerProp[dpy];
private_handle_t *renderBuffer;
if(mCopyBitDraw == false){
mFbCache.reset(); // there is no layer marked for copybit
return false ;
}
if(drawUsingAppBufferComposition(ctx, list, dpy, fd)) {
return true;
}
//render buffer
if (ctx->mMDP.version == qdutils::MDP_V3_0_4 ||
ctx->mMDP.version == qdutils::MDP_V3_0_5) {
last = (uint32_t)list->numHwLayers - 1;
renderBuffer = (private_handle_t *)list->hwLayers[last].handle;
} else {
renderBuffer = getCurrentRenderBuffer();
}
if (!renderBuffer) {
ALOGE("%s: Render buffer layer handle is NULL", __FUNCTION__);
return false;
}
if (ctx->mMDP.version >= qdutils::MDP_V4_0) {
//Wait for the previous frame to complete before rendering onto it
if(mRelFd[mCurRenderBufferIndex] >=0) {
sync_wait(mRelFd[mCurRenderBufferIndex], 1000);
close(mRelFd[mCurRenderBufferIndex]);
mRelFd[mCurRenderBufferIndex] = -1;
}
} else {
if(list->hwLayers[last].acquireFenceFd >=0) {
copybit_device_t *copybit = getCopyBitDevice();
copybit->set_sync(copybit, list->hwLayers[last].acquireFenceFd);
}
}
mDirtyLayerIndex = checkDirtyRect(ctx, list, dpy);
if( mDirtyLayerIndex != -1){
hwc_layer_1_t *layer = &list->hwLayers[mDirtyLayerIndex];
#ifdef QCOM_BSP
clear(renderBuffer,layer->dirtyRect);
#else
clear(renderBuffer,layer->displayFrame);
#endif
} else {
hwc_rect_t clearRegion = {0,0,0,0};
if(CBUtils::getuiClearRegion(list, clearRegion, layerProp))
clear(renderBuffer, clearRegion);
}
// numAppLayers-1, as we iterate from 0th layer index with HWC_COPYBIT flag
for (int i = 0; i <= (ctx->listStats[dpy].numAppLayers-1); i++) {
if(!(layerProp[i].mFlags & HWC_COPYBIT)) {
ALOGD_IF(DEBUG_COPYBIT, "%s: Not Marked for copybit", __FUNCTION__);
continue;
}
if(ctx->copybitDrop[i]) {
continue;
}
//skip non updating layers
if((mDirtyLayerIndex != -1) && (mDirtyLayerIndex != i) )
continue;
int ret = -1;
if (list->hwLayers[i].acquireFenceFd != -1
&& ctx->mMDP.version >= qdutils::MDP_V4_0) {
// Wait for acquire Fence on the App buffers.
ret = sync_wait(list->hwLayers[i].acquireFenceFd, 1000);
if(ret < 0) {
ALOGE("%s: sync_wait error!! error no = %d err str = %s",
__FUNCTION__, errno, strerror(errno));
}
close(list->hwLayers[i].acquireFenceFd);
list->hwLayers[i].acquireFenceFd = -1;
}
retVal = drawLayerUsingCopybit(ctx, &(list->hwLayers[i]),
renderBuffer, !i);
copybitLayerCount++;
if(retVal < 0) {
ALOGE("%s : drawLayerUsingCopybit failed", __FUNCTION__);
}
}
if (copybitLayerCount) {
copybit_device_t *copybit = getCopyBitDevice();
// Async mode
copybit->flush_get_fence(copybit, fd);
if((ctx->mMDP.version == qdutils::MDP_V3_0_4 ||
ctx->mMDP.version == qdutils::MDP_V3_0_5) &&
list->hwLayers[last].acquireFenceFd >= 0) {
close(list->hwLayers[last].acquireFenceFd);
list->hwLayers[last].acquireFenceFd = -1;
}
}
return true;
}
int CopyBit::drawOverlap(hwc_context_t *ctx, hwc_display_contents_1_t *list) {
int fd = -1;
PtorInfo* ptorInfo = &(ctx->mPtorInfo);
if (ctx->mMDP.version < qdutils::MDP_V4_0) {
ALOGE("%s: Invalid request", __FUNCTION__);
return fd;
}
private_handle_t *renderBuffer = getCurrentRenderBuffer();
if (!renderBuffer) {
ALOGE("%s: Render buffer layer handle is NULL", __FUNCTION__);
return fd;
}
//Clear the transparent or left out region on the render buffer
hwc_rect_t clearRegion = {0,0,0,0};
LayerProp *layerProp = ctx->layerProp[0];
if(CBUtils::getuiClearRegion(list, clearRegion, layerProp))
clear(renderBuffer, clearRegion);
int copybitLayerCount = 0;
for(int j = 0; j < ptorInfo->count; j++) {
int ovlapIndex = ptorInfo->layerIndex[j];
hwc_rect_t overlap = list->hwLayers[ovlapIndex].displayFrame;
if(j) {
/**
* It's possible that 2 PTOR layers might have overlapping.
* In such case, remove the intersection(again if peripheral)
* from the lower PTOR layer to avoid overlapping.
* If intersection is not on peripheral then compromise
* by reducing number of PTOR layers.
**/
int prevOvlapIndex = ptorInfo->layerIndex[0];
hwc_rect_t prevOvlap = list->hwLayers[prevOvlapIndex].displayFrame;
hwc_rect_t commonRect = getIntersection(prevOvlap, overlap);
if(isValidRect(commonRect)) {
overlap = deductRect(overlap, commonRect);
}
}
// Draw overlapped content of layers on render buffer
for (int i = 0; i <= ovlapIndex; i++) {
hwc_layer_1_t *layer = &list->hwLayers[i];
if(!isValidRect(getIntersection(layer->displayFrame,
overlap))) {
continue;
}
if ((list->hwLayers[i].acquireFenceFd != -1)) {
// Wait for acquire fence on the App buffers.
if(sync_wait(list->hwLayers[i].acquireFenceFd, 1000) < 0) {
ALOGE("%s: sync_wait error!! error no = %d err str = %s",
__FUNCTION__, errno, strerror(errno));
}
close(list->hwLayers[i].acquireFenceFd);
list->hwLayers[i].acquireFenceFd = -1;
}
/*
* Find the intersection of layer display frame with PTOR layer
* with respect to screen co-ordinates
*
* Calculated the destination rect by transforming the overlapping
* region of layer display frame with respect to PTOR display frame
*
* Transform the destination rect on to render buffer
* */
hwc_rect_t destRect = getIntersection(overlap, layer->displayFrame);
destRect.left = destRect.left - overlap.left +
ptorInfo->displayFrame[j].left;
destRect.right = destRect.right- overlap.left +
ptorInfo->displayFrame[j].left;
destRect.top = destRect.top - overlap.top +
ptorInfo->displayFrame[j].top;
destRect.bottom = destRect.bottom - overlap.top +
ptorInfo->displayFrame[j].top;
int retVal = drawRectUsingCopybit(ctx, layer, renderBuffer,
overlap, destRect);
copybitLayerCount++;
if(retVal < 0) {
ALOGE("%s: drawRectUsingCopybit failed", __FUNCTION__);
copybitLayerCount = 0;
}
}
}
if (copybitLayerCount) {
copybit_device_t *copybit = getCopyBitDevice();
copybit->flush_get_fence(copybit, &fd);
}
ALOGD_IF(DEBUG_COPYBIT, "%s: done! copybitLayerCount = %d", __FUNCTION__,
copybitLayerCount);
return fd;
}
int CopyBit::drawRectUsingCopybit(hwc_context_t *dev, hwc_layer_1_t *layer,
private_handle_t *renderBuffer, hwc_rect_t overlap,
hwc_rect_t destRect)
{
hwc_context_t* ctx = (hwc_context_t*)(dev);
if (!ctx) {
ALOGE("%s: null context ", __FUNCTION__);
return -1;
}
private_handle_t *hnd = (private_handle_t *)layer->handle;
if (!hnd) {
ALOGE("%s: invalid handle", __FUNCTION__);
return -1;
}
private_handle_t *dstHandle = (private_handle_t *)renderBuffer;
if (!dstHandle) {
ALOGE("%s: RenderBuffer handle is NULL", __FUNCTION__);
return -1;
}
// Set the Copybit Source
copybit_image_t src;
src.handle = (native_handle_t *)layer->handle;
src.w = hnd->width;
src.h = hnd->height;
src.base = (void *)hnd->base;
src.format = hnd->format;
src.horiz_padding = 0;
src.vert_padding = 0;
hwc_rect_t dispFrame = layer->displayFrame;
hwc_rect_t iRect = getIntersection(dispFrame, overlap);
hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf);
qhwc::calculate_crop_rects(crop, dispFrame, iRect,
layer->transform);
// Copybit source rect
copybit_rect_t srcRect = {crop.left, crop.top, crop.right,
crop.bottom};
// Copybit destination rect
copybit_rect_t dstRect = {destRect.left, destRect.top, destRect.right,
destRect.bottom};
// Copybit dst
copybit_image_t dst;
dst.handle = (native_handle_t *)dstHandle;
dst.w = ALIGN(dstHandle->width, 32);
dst.h = dstHandle->height;
dst.base = (void *)dstHandle->base;
dst.format = dstHandle->format;
copybit_device_t *copybit = mEngine;
// Copybit region is the destRect
hwc_rect_t regRect = {dstRect.l,dstRect.t, dstRect.r, dstRect.b};
hwc_region_t region;
region.numRects = 1;
region.rects = &regRect;
region_iterator copybitRegion(region);
int acquireFd = layer->acquireFenceFd;
copybit->set_parameter(copybit, COPYBIT_FRAMEBUFFER_WIDTH,
renderBuffer->width);
copybit->set_parameter(copybit, COPYBIT_FRAMEBUFFER_HEIGHT,
renderBuffer->height);
copybit->set_parameter(copybit, COPYBIT_TRANSFORM, layer->transform);
copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, layer->planeAlpha);
copybit->set_parameter(copybit, COPYBIT_BLEND_MODE, layer->blending);
copybit->set_parameter(copybit, COPYBIT_DITHER,
(dst.format == HAL_PIXEL_FORMAT_RGB_565) ? COPYBIT_ENABLE :
COPYBIT_DISABLE);
copybit->set_sync(copybit, acquireFd);
int err = copybit->stretch(copybit, &dst, &src, &dstRect, &srcRect,
&copybitRegion);
if (err < 0)
ALOGE("%s: copybit stretch failed",__FUNCTION__);
return err;
}
int CopyBit::drawLayerUsingCopybit(hwc_context_t *dev, hwc_layer_1_t *layer,
private_handle_t *renderBuffer, bool isFG)
{
hwc_context_t* ctx = (hwc_context_t*)(dev);
int err = 0, acquireFd;
if(!ctx) {
ALOGE("%s: null context ", __FUNCTION__);
return -1;
}
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(!hnd) {
if (layer->flags & HWC_COLOR_FILL) { // Color layer
return fillColorUsingCopybit(layer, renderBuffer);
}
ALOGE("%s: invalid handle", __FUNCTION__);
return -1;
}
private_handle_t *fbHandle = (private_handle_t *)renderBuffer;
if(!fbHandle) {
ALOGE("%s: Framebuffer handle is NULL", __FUNCTION__);
return -1;
}
// Set the copybit source:
copybit_image_t src;
src.w = getWidth(hnd);
src.h = getHeight(hnd);
src.format = hnd->format;
// Handle R/B swap
if ((layer->flags & HWC_FORMAT_RB_SWAP)) {
if (src.format == HAL_PIXEL_FORMAT_RGBA_8888) {
src.format = HAL_PIXEL_FORMAT_BGRA_8888;
} else if (src.format == HAL_PIXEL_FORMAT_RGBX_8888) {
src.format = HAL_PIXEL_FORMAT_BGRX_8888;
}
}
src.base = (void *)hnd->base;
src.handle = (native_handle_t *)layer->handle;
src.horiz_padding = src.w - getWidth(hnd);
// Initialize vertical padding to zero for now,
// this needs to change to accomodate vertical stride
// if needed in the future
src.vert_padding = 0;
int layerTransform = layer->transform ;
// When flip and rotation(90) are present alter the flip,
// as GPU is doing the flip and rotation in opposite order
// to that of MDP3.0
// For 270 degrees, we get 90 + (H+V) which is same as doing
// flip first and then rotation (H+V) + 90
if (qdutils::MDPVersion::getInstance().getMDPVersion() < 400) {
if (((layer->transform& HAL_TRANSFORM_FLIP_H) ||
(layer->transform & HAL_TRANSFORM_FLIP_V)) &&
(layer->transform & HAL_TRANSFORM_ROT_90) &&
!(layer->transform == HAL_TRANSFORM_ROT_270)){
if(layer->transform & HAL_TRANSFORM_FLIP_H){
layerTransform ^= HAL_TRANSFORM_FLIP_H;
layerTransform |= HAL_TRANSFORM_FLIP_V;
}
if(layer->transform & HAL_TRANSFORM_FLIP_V){
layerTransform ^= HAL_TRANSFORM_FLIP_V;
layerTransform |= HAL_TRANSFORM_FLIP_H;
}
}
}
// Copybit source rect
hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf);
copybit_rect_t srcRect = {sourceCrop.left, sourceCrop.top,
sourceCrop.right,
sourceCrop.bottom};
// Copybit destination rect
hwc_rect_t displayFrame = layer->displayFrame;
copybit_rect_t dstRect = {displayFrame.left, displayFrame.top,
displayFrame.right,
displayFrame.bottom};
#ifdef QCOM_BSP
//change src and dst with dirtyRect
if(mDirtyLayerIndex != -1) {
srcRect.l = layer->dirtyRect.left;
srcRect.t = layer->dirtyRect.top;
srcRect.r = layer->dirtyRect.right;
srcRect.b = layer->dirtyRect.bottom;
dstRect = srcRect;
}
#endif
// Copybit dst
copybit_image_t dst;
dst.w = ALIGN(fbHandle->width,32);
dst.h = fbHandle->height;
dst.format = fbHandle->format;
dst.base = (void *)fbHandle->base;
dst.handle = (native_handle_t *)fbHandle;
copybit_device_t *copybit = mEngine;
int32_t screen_w = displayFrame.right - displayFrame.left;
int32_t screen_h = displayFrame.bottom - displayFrame.top;
int32_t src_crop_width = sourceCrop.right - sourceCrop.left;
int32_t src_crop_height = sourceCrop.bottom -sourceCrop.top;
// Copybit dst
float copybitsMaxScale =
(float)copybit->get(copybit,COPYBIT_MAGNIFICATION_LIMIT);
float copybitsMinScale =
(float)copybit->get(copybit,COPYBIT_MINIFICATION_LIMIT);
if (layer->transform & HWC_TRANSFORM_ROT_90) {
//swap screen width and height
int tmp = screen_w;
screen_w = screen_h;
screen_h = tmp;
}
private_handle_t *tmpHnd = NULL;
if(screen_w <=0 || screen_h<=0 ||src_crop_width<=0 || src_crop_height<=0 ) {
ALOGE("%s: wrong params for display screen_w=%d src_crop_width=%d \
screen_h=%d src_crop_height=%d", __FUNCTION__, screen_w,
src_crop_width,screen_h,src_crop_height);
return -1;
}
float dsdx = (float)screen_w/(float)src_crop_width;
float dtdy = (float)screen_h/(float)src_crop_height;
float scaleLimitMax = copybitsMaxScale * copybitsMaxScale;
float scaleLimitMin = copybitsMinScale * copybitsMinScale;
if(dsdx > scaleLimitMax ||
dtdy > scaleLimitMax ||
dsdx < 1/scaleLimitMin ||
dtdy < 1/scaleLimitMin) {
ALOGW("%s: greater than max supported size dsdx=%f dtdy=%f \
scaleLimitMax=%f scaleLimitMin=%f", __FUNCTION__,dsdx,dtdy,
scaleLimitMax,1/scaleLimitMin);
return -1;
}
acquireFd = layer->acquireFenceFd;
if(dsdx > copybitsMaxScale ||
dtdy > copybitsMaxScale ||
dsdx < 1/copybitsMinScale ||
dtdy < 1/copybitsMinScale){
// The requested scale is out of the range the hardware
// can support.
ALOGD("%s:%d::Need to scale twice dsdx=%f, dtdy=%f,copybitsMaxScale=%f,\
copybitsMinScale=%f,screen_w=%d,screen_h=%d \
src_crop_width=%d src_crop_height=%d",__FUNCTION__,__LINE__,
dsdx,dtdy,copybitsMaxScale,1/copybitsMinScale,screen_w,screen_h,
src_crop_width,src_crop_height);
int tmp_w = src_crop_width;
int tmp_h = src_crop_height;
if (dsdx > copybitsMaxScale || dtdy > copybitsMaxScale ){
tmp_w = (int)((float)src_crop_width*copybitsMaxScale);
tmp_h = (int)((float)src_crop_height*copybitsMaxScale);
}else if (dsdx < 1/copybitsMinScale ||dtdy < 1/copybitsMinScale ){
// ceil the tmp_w and tmp_h value to maintain proper ratio
// b/w src and dst (should not cross the desired scale limit
// due to float -> int )
tmp_w = (int)ceil((float)src_crop_width/copybitsMinScale);
tmp_h = (int)ceil((float)src_crop_height/copybitsMinScale);
}
ALOGD("%s:%d::tmp_w = %d,tmp_h = %d",__FUNCTION__,__LINE__,tmp_w,tmp_h);
int usage = GRALLOC_USAGE_PRIVATE_IOMMU_HEAP;
int format = fbHandle->format;
// We do not want copybit to generate alpha values from nothing
if (format == HAL_PIXEL_FORMAT_RGBA_8888 &&
src.format != HAL_PIXEL_FORMAT_RGBA_8888) {
format = HAL_PIXEL_FORMAT_RGBX_8888;
}
if (0 == alloc_buffer(&tmpHnd, tmp_w, tmp_h, format, usage) && tmpHnd) {
copybit_image_t tmp_dst;
copybit_rect_t tmp_rect;
tmp_dst.w = tmp_w;
tmp_dst.h = tmp_h;
tmp_dst.format = tmpHnd->format;
tmp_dst.handle = tmpHnd;
tmp_dst.horiz_padding = src.horiz_padding;
tmp_dst.vert_padding = src.vert_padding;
tmp_rect.l = 0;
tmp_rect.t = 0;
tmp_rect.r = tmp_dst.w;
tmp_rect.b = tmp_dst.h;
//create one clip region
hwc_rect tmp_hwc_rect = {0,0,tmp_rect.r,tmp_rect.b};
hwc_region_t tmp_hwc_reg = {1,(hwc_rect_t const*)&tmp_hwc_rect};
region_iterator tmp_it(tmp_hwc_reg);
copybit->set_parameter(copybit,COPYBIT_TRANSFORM,0);
//TODO: once, we are able to read layer alpha, update this
copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 255);
copybit->set_sync(copybit, acquireFd);
err = copybit->stretch(copybit,&tmp_dst, &src, &tmp_rect,
&srcRect, &tmp_it);
if(err < 0){
ALOGE("%s:%d::tmp copybit stretch failed",__FUNCTION__,
__LINE__);
if(tmpHnd)
free_buffer(tmpHnd);
return err;
}
// use release fence as aquire fd for next stretch
if (ctx->mMDP.version < qdutils::MDP_V4_0) {
copybit->flush_get_fence(copybit, &acquireFd);
close(acquireFd);
acquireFd = -1;
}
// copy new src and src rect crop
src = tmp_dst;
srcRect = tmp_rect;
}
}
// Copybit region
hwc_region_t region = layer->visibleRegionScreen;
region_iterator copybitRegion(region);
copybit->set_parameter(copybit, COPYBIT_FRAMEBUFFER_WIDTH,
renderBuffer->width);
copybit->set_parameter(copybit, COPYBIT_FRAMEBUFFER_HEIGHT,
renderBuffer->height);
copybit->set_parameter(copybit, COPYBIT_TRANSFORM,
layerTransform);
//TODO: once, we are able to read layer alpha, update this
copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 255);
copybit->set_parameter(copybit, COPYBIT_BLEND_MODE,
layer->blending);
copybit->set_parameter(copybit, COPYBIT_DITHER,
(dst.format == HAL_PIXEL_FORMAT_RGB_565)?
COPYBIT_ENABLE : COPYBIT_DISABLE);
copybit->set_parameter(copybit, COPYBIT_FG_LAYER, isFG ?
COPYBIT_ENABLE : COPYBIT_DISABLE);
copybit->set_parameter(copybit, COPYBIT_BLIT_TO_FRAMEBUFFER,
COPYBIT_ENABLE);
copybit->set_sync(copybit, acquireFd);
err = copybit->stretch(copybit, &dst, &src, &dstRect, &srcRect,
&copybitRegion);
copybit->set_parameter(copybit, COPYBIT_BLIT_TO_FRAMEBUFFER,
COPYBIT_DISABLE);
if(tmpHnd) {
if (ctx->mMDP.version < qdutils::MDP_V4_0){
int ret = -1, releaseFd;
// we need to wait for the buffer before freeing
copybit->flush_get_fence(copybit, &releaseFd);
ret = sync_wait(releaseFd, 1000);
if(ret < 0) {
ALOGE("%s: sync_wait error!! error no = %d err str = %s",
__FUNCTION__, errno, strerror(errno));
}
close(releaseFd);
}
free_buffer(tmpHnd);
}
if(err < 0)
ALOGE("%s: copybit stretch failed",__FUNCTION__);
return err;
}
int CopyBit::fillColorUsingCopybit(hwc_layer_1_t *layer,
private_handle_t *renderBuffer)
{
if (!renderBuffer) {
ALOGE("%s: Render Buffer is NULL", __FUNCTION__);
return -1;
}
// Copybit dst
copybit_image_t dst;
dst.w = ALIGN(renderBuffer->width, 32);
dst.h = renderBuffer->height;
dst.format = renderBuffer->format;
dst.base = (void *)renderBuffer->base;
dst.handle = (native_handle_t *)renderBuffer;
// Copybit dst rect
hwc_rect_t displayFrame = layer->displayFrame;
copybit_rect_t dstRect = {displayFrame.left, displayFrame.top,
displayFrame.right, displayFrame.bottom};
uint32_t color = layer->transform;
copybit_device_t *copybit = mEngine;
copybit->set_parameter(copybit, COPYBIT_FRAMEBUFFER_WIDTH,
renderBuffer->width);
copybit->set_parameter(copybit, COPYBIT_FRAMEBUFFER_HEIGHT,
renderBuffer->height);
copybit->set_parameter(copybit, COPYBIT_DITHER,
(dst.format == HAL_PIXEL_FORMAT_RGB_565) ?
COPYBIT_ENABLE : COPYBIT_DISABLE);
copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0);
copybit->set_parameter(copybit, COPYBIT_BLEND_MODE, layer->blending);
copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, layer->planeAlpha);
copybit->set_parameter(copybit, COPYBIT_BLIT_TO_FRAMEBUFFER,COPYBIT_ENABLE);
int res = copybit->fill_color(copybit, &dst, &dstRect, color);
copybit->set_parameter(copybit,COPYBIT_BLIT_TO_FRAMEBUFFER,COPYBIT_DISABLE);
return res;
}
void CopyBit::getLayerResolution(const hwc_layer_1_t* layer,
unsigned int& width, unsigned int& height)
{
hwc_rect_t displayFrame = layer->displayFrame;
width = displayFrame.right - displayFrame.left;
height = displayFrame.bottom - displayFrame.top;
}
bool CopyBit::validateParams(hwc_context_t *ctx,
const hwc_display_contents_1_t *list) {
//Validate parameters
if (!ctx) {
ALOGE("%s:Invalid HWC context", __FUNCTION__);
return false;
} else if (!list) {
ALOGE("%s:Invalid HWC layer list", __FUNCTION__);
return false;
}
return true;
}
int CopyBit::allocRenderBuffers(int w, int h, int f)
{
int ret = 0;
for (int i = 0; i < NUM_RENDER_BUFFERS; i++) {
if (mRenderBuffer[i] == NULL) {
ret = alloc_buffer(&mRenderBuffer[i],
w, h, f,
GRALLOC_USAGE_PRIVATE_IOMMU_HEAP);
}
if(ret < 0) {
freeRenderBuffers();
break;
}
}
return ret;
}
void CopyBit::freeRenderBuffers()
{
for (int i = 0; i < NUM_RENDER_BUFFERS; i++) {
if(mRenderBuffer[i]) {
//Since we are freeing buffer close the fence if it has a valid one.
if(mRelFd[i] >= 0) {
close(mRelFd[i]);
mRelFd[i] = -1;
}
free_buffer(mRenderBuffer[i]);
mRenderBuffer[i] = NULL;
}
}
}
private_handle_t * CopyBit::getCurrentRenderBuffer() {
return mRenderBuffer[mCurRenderBufferIndex];
}
void CopyBit::setReleaseFd(int fd) {
if(mRelFd[mCurRenderBufferIndex] >=0)
close(mRelFd[mCurRenderBufferIndex]);
mRelFd[mCurRenderBufferIndex] = dup(fd);
}
void CopyBit::setReleaseFdSync(int fd) {
if (mRelFd[mCurRenderBufferIndex] >=0) {
int ret = -1;
ret = sync_wait(mRelFd[mCurRenderBufferIndex], 1000);
if (ret < 0)
ALOGE("%s: sync_wait error! errno = %d, err str = %s",
__FUNCTION__, errno, strerror(errno));
close(mRelFd[mCurRenderBufferIndex]);
}
mRelFd[mCurRenderBufferIndex] = dup(fd);
}
struct copybit_device_t* CopyBit::getCopyBitDevice() {
return mEngine;
}
CopyBit::CopyBit(hwc_context_t *ctx, const int& dpy) : mEngine(0),
mIsModeOn(false), mCopyBitDraw(false), mCurRenderBufferIndex(0) {
getBufferSizeAndDimensions(ctx->dpyAttr[dpy].xres,
ctx->dpyAttr[dpy].yres,
HAL_PIXEL_FORMAT_RGBA_8888,
mAlignedWidth,
mAlignedHeight);
hw_module_t const *module;
for (int i = 0; i < NUM_RENDER_BUFFERS; i++) {
mRenderBuffer[i] = NULL;
mRelFd[i] = -1;
}
char value[PROPERTY_VALUE_MAX];
property_get("debug.hwc.dynThreshold", value, "2");
mDynThreshold = atof(value);
property_get("debug.sf.swaprect", value, "0");
mSwapRectEnable = atoi(value) ? true:false ;
mDirtyLayerIndex = -1;
if (hw_get_module(COPYBIT_HARDWARE_MODULE_ID, &module) == 0) {
if(copybit_open(module, &mEngine) < 0) {
ALOGE("FATAL ERROR: copybit open failed.");
}
} else {
ALOGE("FATAL ERROR: copybit hw module not found");
}
}
CopyBit::~CopyBit()
{
freeRenderBuffers();
if(mEngine)
{
copybit_close(mEngine);
mEngine = NULL;
}
}
CopyBit::LayerCache::LayerCache() {
reset();
}
void CopyBit::LayerCache::reset() {
memset(&hnd, 0, sizeof(hnd));
layerCount = 0;
}
void CopyBit::LayerCache::updateCounts(hwc_context_t *ctx,
hwc_display_contents_1_t *list, int dpy)
{
layerCount = ctx->listStats[dpy].numAppLayers;
for (int i=0; i<ctx->listStats[dpy].numAppLayers; i++){
hnd[i] = list->hwLayers[i].handle;
}
}
CopyBit::FbCache::FbCache() {
reset();
}
void CopyBit::FbCache::reset() {
memset(&FbdirtyRect, 0, sizeof(FbdirtyRect));
FbIndex =0;
}
void CopyBit::FbCache::insertAndUpdateFbCache(hwc_rect_t dirtyRect) {
FbIndex = FbIndex % NUM_RENDER_BUFFERS;
FbdirtyRect[FbIndex] = dirtyRect;
FbIndex++;
}
int CopyBit::FbCache::getUnchangedFbDRCount(hwc_rect_t dirtyRect){
int sameDirtyCount = 0;
for (int i = 0 ; i < NUM_RENDER_BUFFERS ; i++ ){
if( FbdirtyRect[i] == dirtyRect)
sameDirtyCount++;
}
return sameDirtyCount;
}
}; //namespace qhwc
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