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/* Copyright (c) 2015 - 2016, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <stdint.h>
#include <sys/types.h>
#include <utils/Errors.h>
#include <utils/Log.h>
#include <gui/Surface.h>
#include <ui/GraphicBuffer.h>
#include "RenderEngine/RenderEngine.h"
#include "DisplayHardware/FramebufferSurface.h"
#include "DisplayUtils.h"
#ifdef QTI_BSP
#include <ExSurfaceFlinger/ExSurfaceFlinger.h>
#include <ExSurfaceFlinger/ExLayer.h>
#include <ExSurfaceFlinger/ExHWComposer.h>
#include <ExSurfaceFlinger/ExVirtualDisplaySurface.h>
#include <gralloc_priv.h>
#include <qd_utils.h>
#include <display_config.h>
#endif
#include <dlfcn.h>
#include <cutils/properties.h>
namespace android {
DisplayUtils* DisplayUtils::sDisplayUtils = NULL;
bool DisplayUtils::sUseExtendedImpls = false;
DisplayUtils::DisplayUtils() {
#ifdef QTI_BSP
sUseExtendedImpls = true;
#endif
}
DisplayUtils* DisplayUtils::getInstance() {
if(sDisplayUtils == NULL) {
sDisplayUtils = new DisplayUtils();
}
return sDisplayUtils;
}
SurfaceFlinger* DisplayUtils::getSFInstance() {
#ifdef QTI_BSP
if(sUseExtendedImpls) {
return new ExSurfaceFlinger();
}
#endif
return new SurfaceFlinger();
}
Layer* DisplayUtils::getLayerInstance(SurfaceFlinger* flinger,
const sp<Client>& client, const String8& name,
uint32_t w, uint32_t h, uint32_t flags) {
#ifdef QTI_BSP
if(sUseExtendedImpls) {
return new ExLayer(flinger, client, name, w, h, flags);
}
#endif
return new Layer(flinger, client, name, w, h, flags);
}
HWComposer* DisplayUtils::getHWCInstance(
const sp<SurfaceFlinger>& flinger,
HWComposer::EventHandler& handler) {
#ifdef QTI_BSP
if(sUseExtendedImpls) {
return new ExHWComposer(flinger, handler);
}
#endif
return new HWComposer(flinger,handler);
}
void DisplayUtils::initVDSInstance(HWComposer* hwc, int32_t hwcDisplayId,
sp<IGraphicBufferProducer> currentStateSurface, sp<DisplaySurface> &dispSurface,
sp<IGraphicBufferProducer> &producer, sp<IGraphicBufferProducer> bqProducer,
sp<IGraphicBufferConsumer> bqConsumer, String8 currentStateDisplayName,
bool currentStateIsSecure, int currentStateType)
{
#ifdef QTI_BSP
if(sUseExtendedImpls) {
if(hwc->isVDSEnabled()) {
VirtualDisplaySurface* vds = new ExVirtualDisplaySurface(*hwc, hwcDisplayId,
currentStateSurface, bqProducer, bqConsumer, currentStateDisplayName,
currentStateIsSecure);
dispSurface = vds;
producer = vds;
} else if(!createV4L2BasedVirtualDisplay(hwc, hwcDisplayId, dispSurface, producer,
currentStateSurface, bqProducer, bqConsumer, currentStateType)) {
VirtualDisplaySurface* vds = new VirtualDisplaySurface(*hwc, hwcDisplayId,
currentStateSurface, bqProducer, bqConsumer, currentStateDisplayName);
dispSurface = vds;
producer = vds;
}
} else {
#endif
(void)currentStateIsSecure;
(void)currentStateType;
VirtualDisplaySurface* vds = new VirtualDisplaySurface(*hwc, hwcDisplayId,
currentStateSurface, bqProducer, bqConsumer, currentStateDisplayName);
dispSurface = vds;
producer = vds;
#ifdef QTI_BSP
}
#endif
}
bool DisplayUtils::createV4L2BasedVirtualDisplay(HWComposer* hwc, int32_t &hwcDisplayId,
sp<DisplaySurface> &dispSurface, sp<IGraphicBufferProducer> &producer,
sp<IGraphicBufferProducer> currentStateSurface,
sp<IGraphicBufferProducer> bqProducer, sp<IGraphicBufferConsumer> bqConsumer,
int currentStateType) {
char value[PROPERTY_VALUE_MAX];
property_get("persist.sys.wfd.virtual", value, "0");
int wfdVirtual = atoi(value);
if(wfdVirtual && hwcDisplayId > 0) {
//Read virtual display properties and create a
//rendering surface for it inorder to be handled
//by hwc.
sp<ANativeWindow> mNativeWindow = new Surface(currentStateSurface);
ANativeWindow* const window = mNativeWindow.get();
int format;
window->query(window, NATIVE_WINDOW_FORMAT, &format);
EGLSurface surface;
EGLint w, h;
EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
// In M AOSP getEGLConfig() always returns EGL_NO_CONFIG as
// EGL_ANDROIDX_no_config_context active now.
EGLConfig config = RenderEngine::chooseEglConfig(display, format);
surface = eglCreateWindowSurface(display, config, window, NULL);
eglQuerySurface(display, surface, EGL_WIDTH, &w);
eglQuerySurface(display, surface, EGL_HEIGHT, &h);
if(hwc->setVirtualDisplayProperties(hwcDisplayId, w, h, format) != NO_ERROR)
return false;
dispSurface = new FramebufferSurface(*hwc, currentStateType, bqConsumer);
producer = bqProducer;
return true;
}
return false;
}
bool DisplayUtils::canAllocateHwcDisplayIdForVDS(int usage) {
// on AOSP builds with QTI_BSP disabled, we should allocate hwc display id for virtual display
int flag_mask = 0xffffffff;
#ifdef QTI_BSP
#ifdef FORCE_HWC_COPY_FOR_VIRTUAL_DISPLAYS
int hdmi_node = qdutils::getHDMINode();
if(hdmi_node == HWC_DISPLAY_PRIMARY) {
int active_config = qdutils::getActiveConfig(HWC_DISPLAY_PRIMARY);
if(active_config >= 0) {
qdutils::DisplayAttributes attr = qdutils::getDisplayAttributes(active_config,
HWC_DISPLAY_PRIMARY);
if(!attr.is_yuv) {
// Reserve hardware acceleration for WFD use-case
flag_mask = GRALLOC_USAGE_PRIVATE_WFD;
}
}
} else {
// Reserve hardware acceleration for WFD use-case
flag_mask = GRALLOC_USAGE_PRIVATE_WFD;
}
#else
// Don't allocate HWC display unless we force HWC copy, otherwise
// incompatible buffers are sent to the media stack
flag_mask = 0;
#endif
#endif
return (usage & flag_mask);
}
}; // namespace android
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