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/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (C) 2012, 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_FB_UPDATE 0
#include <gralloc_priv.h>
#include <fb_priv.h>
#include "hwc_fbupdate.h"
#include "external.h"
namespace qhwc {
namespace ovutils = overlay::utils;
//Static Members
bool FBUpdate::sModeOn[] = {false};
ovutils::eDest FBUpdate::sDest[] = {ovutils::OV_INVALID};
void FBUpdate::reset() {
sModeOn[HWC_DISPLAY_PRIMARY] = false;
sModeOn[HWC_DISPLAY_EXTERNAL] = false;
sDest[HWC_DISPLAY_PRIMARY] = ovutils::OV_INVALID;
sDest[HWC_DISPLAY_EXTERNAL] = ovutils::OV_INVALID;
}
bool FBUpdate::prepare(hwc_context_t *ctx, hwc_layer_1_t *fblayer, int dpy) {
if(!ctx->mMDP.hasOverlay) {
ALOGD_IF(HWC_FB_UPDATE, "%s, this hw doesnt support mirroring",
__FUNCTION__);
return false;
}
return (sModeOn[dpy] = configure(ctx, fblayer, dpy));
}
// Configure
bool FBUpdate::configure(hwc_context_t *ctx, hwc_layer_1_t *layer, int dpy)
{
bool ret = false;
if (LIKELY(ctx->mOverlay)) {
overlay::Overlay& ov = *(ctx->mOverlay);
private_handle_t *hnd = (private_handle_t *)layer->handle;
if (!hnd) {
ALOGE("%s:NULL private handle for layer!", __FUNCTION__);
return false;
}
ovutils::Whf info(hnd->width, hnd->height, hnd->format, hnd->size);
//Request an RGB pipe
ovutils::eDest dest = ov.nextPipe(ovutils::OV_MDP_PIPE_RGB, dpy);
if(dest == ovutils::OV_INVALID) { //None available
return false;
}
sDest[dpy] = dest;
ovutils::eMdpFlags mdpFlags = ovutils::OV_MDP_FLAGS_NONE;
if(ctx->mSecureMode) {
ovutils::setMdpFlags(mdpFlags,
ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
}
ovutils::PipeArgs parg(mdpFlags,
info,
ovutils::ZORDER_0,
ovutils::IS_FG_SET,
ovutils::ROT_FLAG_DISABLED);
ov.setSource(parg, dest);
hwc_rect_t sourceCrop = layer->sourceCrop;
// x,y,w,h
ovutils::Dim dcrop(sourceCrop.left, sourceCrop.top,
sourceCrop.right - sourceCrop.left,
sourceCrop.bottom - sourceCrop.top);
ov.setCrop(dcrop, dest);
int transform = layer->transform;
ovutils::eTransform orient =
static_cast<ovutils::eTransform>(transform);
ov.setTransform(orient, dest);
hwc_rect_t displayFrame = layer->displayFrame;
ovutils::Dim dpos(displayFrame.left,
displayFrame.top,
displayFrame.right - displayFrame.left,
displayFrame.bottom - displayFrame.top);
ov.setPosition(dpos, dest);
ret = true;
if (!ov.commit(dest)) {
ALOGE("%s: commit fails", __FUNCTION__);
ret = false;
}
}
return ret;
}
bool FBUpdate::draw(hwc_context_t *ctx, hwc_layer_1_t *layer, int dpy)
{
if(!sModeOn[dpy]) {
return true;
}
bool ret = true;
overlay::Overlay& ov = *(ctx->mOverlay);
ovutils::eDest dest = sDest[dpy];
private_handle_t *hnd = (private_handle_t *)layer->handle;
if (!ov.queueBuffer(hnd->fd, hnd->offset, dest)) {
ALOGE("%s: queueBuffer failed for external", __FUNCTION__);
ret = false;
}
return ret;
}
//---------------------------------------------------------------------
}; //namespace qhwc
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