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/*
// Copyright (c) 2014 Intel Corporation
//
// 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.
*/
#include <common/utils/HwcTrace.h>
#include <DisplayPlane.h>
#include <hal_public.h>
#include <DisplayQuery.h>
#include <khronos/openmax/OMX_IntelVideoExt.h>
#include <Hwcomposer.h>
namespace android {
namespace intel {
bool DisplayQuery::isVideoFormat(uint32_t format)
{
switch (format) {
case OMX_INTEL_COLOR_FormatYUV420PackedSemiPlanar:
case OMX_INTEL_COLOR_FormatYUV420PackedSemiPlanar_Tiled:
// Expand format to support the case: Software decoder + HW rendering
// Only VP9 use this foramt now
case HAL_PIXEL_FORMAT_YV12:
case HAL_PIXEL_FORMAT_INTEL_YV12:
return true;
default:
return false;
}
}
int DisplayQuery::getOverlayLumaStrideAlignment(uint32_t format)
{
// both luma and chroma stride need to be 64-byte aligned for overlay
switch (format) {
case HAL_PIXEL_FORMAT_YV12:
case HAL_PIXEL_FORMAT_INTEL_YV12:
case HAL_PIXEL_FORMAT_I420:
// for these two formats, chroma stride is calculated as half of luma stride
// so luma stride needs to be 128-byte aligned.
return 128;
default:
return 64;
}
}
uint32_t DisplayQuery::queryNV12Format()
{
return HAL_PIXEL_FORMAT_NV12;
}
bool DisplayQuery::forceFbScaling(int device)
{
// RGB planes don't support scaling. Panel fitter can be used to scale frame buffer to device's resolution
// if scaling factor is less than 1.5. Otherwise, GPU scaling is needed on RGB buffer, or hardware overlay
// scaling is needed on NV12 buffer
// this needs to work together with kernel driver. Panel fitter needs to be disabled if scaling factor is greater
// than 1.5
uint32_t width, height;
if (!Hwcomposer::getInstance().getDrm()->getDisplayResolution(device, width, height)) {
return false;
}
if (DEFAULT_DRM_FB_WIDTH / (float)width > 1.5) {
return true;
}
if (DEFAULT_DRM_FB_HEIGHT / (float)height > 1.5) {
return true;
}
return false;
}
} // namespace intel
} // namespace android
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