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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/DrmGenericImporter.h"
#include "drmhwcomposer.h"
#define UNUSED(x) (void)(x)
namespace android {
const hwc_drm_bo *DrmHwcBuffer::operator->() const {
if (importer_ == nullptr) {
ALOGE("Access of non-existent BO");
exit(1);
return nullptr;
}
return &bo_;
}
void DrmHwcBuffer::Clear() {
if (importer_ != nullptr) {
importer_->ReleaseBuffer(&bo_);
importer_ = nullptr;
}
}
int DrmHwcBuffer::ImportBuffer(buffer_handle_t handle, Importer *importer) {
hwc_drm_bo tmp_bo{};
int ret = BufferInfoGetter::GetInstance()->ConvertBoInfo(handle, &tmp_bo);
if (ret) {
ALOGE("Failed to convert buffer info %d", ret);
return ret;
}
ret = importer->ImportBuffer(&tmp_bo);
if (ret) {
ALOGE("Failed to import buffer %d", ret);
return ret;
}
if (importer_ != nullptr) {
importer_->ReleaseBuffer(&bo_);
}
importer_ = importer;
bo_ = tmp_bo;
return 0;
}
int DrmHwcNativeHandle::CopyBufferHandle(buffer_handle_t handle) {
native_handle_t *handle_copy = nullptr;
GraphicBufferMapper &gm(GraphicBufferMapper::get());
int ret = 0;
ret = gm.getGrallocMapper().importBuffer(handle,
(buffer_handle_t *)&handle_copy);
if (ret) {
ALOGE("Failed to import buffer handle %d", ret);
return ret;
}
Clear();
handle_ = handle_copy;
return 0;
}
DrmHwcNativeHandle::~DrmHwcNativeHandle() {
Clear();
}
void DrmHwcNativeHandle::Clear() {
if (handle_ != nullptr) {
GraphicBufferMapper &gm(GraphicBufferMapper::get());
int ret = gm.freeBuffer(handle_);
if (ret) {
ALOGE("Failed to free buffer handle %d", ret);
}
handle_ = nullptr;
}
}
int DrmHwcLayer::ImportBuffer(Importer *importer) {
int ret = buffer.ImportBuffer(sf_handle, importer);
if (ret)
return ret;
const hwc_drm_bo *bo = buffer.operator->();
ret = handle.CopyBufferHandle(sf_handle);
if (ret)
return ret;
gralloc_buffer_usage = bo->usage;
return 0;
}
int DrmHwcLayer::InitFromDrmHwcLayer(DrmHwcLayer *src_layer,
Importer *importer) {
blending = src_layer->blending;
sf_handle = src_layer->sf_handle;
acquire_fence = -1;
display_frame = src_layer->display_frame;
alpha = src_layer->alpha;
source_crop = src_layer->source_crop;
transform = src_layer->transform;
return ImportBuffer(importer);
}
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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