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/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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 ATRACE_TAG ATRACE_TAG_GRAPHICS
#define LOG_TAG "hwc-drm-utils"
#include <log/log.h>
#include <ui/Gralloc.h>
#include <ui/GraphicBufferMapper.h>
#include "bufferinfo/BufferInfoGetter.h"
#include "drm/DrmFbImporter.h"
#include "drmhwcomposer.h"
#define UNUSED(x) (void)(x)
namespace android {
int DrmHwcLayer::ImportBuffer(DrmDevice *drmDevice) {
buffer_info = hwc_drm_bo_t{};
int ret = BufferInfoGetter::GetInstance()->ConvertBoInfo(sf_handle,
&buffer_info);
if (ret) {
ALOGE("Failed to convert buffer info %d", ret);
return ret;
}
FbIdHandle = drmDevice->GetDrmFbImporter().GetOrCreateFbId(&buffer_info);
if (!FbIdHandle) {
ALOGE("Failed to import buffer");
return -EINVAL;
}
return 0;
}
void DrmHwcLayer::SetTransform(int32_t sf_transform) {
transform = 0;
// 270* and 180* cannot be combined with flips. More specifically, they
// already contain both horizontal and vertical flips, so those fields are
// redundant in this case. 90* rotation can be combined with either horizontal
// flip or vertical flip, so treat it differently
if (sf_transform == HWC_TRANSFORM_ROT_270) {
transform = DrmHwcTransform::kRotate270;
} else if (sf_transform == HWC_TRANSFORM_ROT_180) {
transform = DrmHwcTransform::kRotate180;
} else {
if (sf_transform & HWC_TRANSFORM_FLIP_H)
transform |= DrmHwcTransform::kFlipH;
if (sf_transform & HWC_TRANSFORM_FLIP_V)
transform |= DrmHwcTransform::kFlipV;
if (sf_transform & HWC_TRANSFORM_ROT_90)
transform |= DrmHwcTransform::kRotate90;
}
}
} // namespace android
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