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/*
* Copyright (C) 2019 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 LOG_TAG "hwc-platform-meson"
#include "platformmeson.h"
#include "drmdevice.h"
#include "platform.h"
#include <stdatomic.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <cinttypes>
#include <hardware/gralloc.h>
#include <log/log.h>
#include "gralloc_priv.h"
namespace android {
Importer *Importer::CreateInstance(DrmDevice *drm) {
MesonImporter *importer = new MesonImporter(drm);
if (!importer)
return NULL;
int ret = importer->Init();
if (ret) {
ALOGE("Failed to initialize the meson importer %d", ret);
delete importer;
return NULL;
}
return importer;
}
#if defined(MALI_GRALLOC_INTFMT_AFBC_BASIC) && \
defined(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16)
uint64_t MesonImporter::ConvertGrallocFormatToDrmModifiers(uint64_t flags) {
uint64_t features = 0UL;
if (flags & MALI_GRALLOC_INTFMT_AFBC_BASIC) {
if (flags & MALI_GRALLOC_INTFMT_AFBC_WIDEBLK)
features |= AFBC_FORMAT_MOD_BLOCK_SIZE_32x8;
else
features |= AFBC_FORMAT_MOD_BLOCK_SIZE_16x16;
}
if (flags & MALI_GRALLOC_INTFMT_AFBC_SPLITBLK)
features |= (AFBC_FORMAT_MOD_SPLIT | AFBC_FORMAT_MOD_SPARSE);
if (flags & MALI_GRALLOC_INTFMT_AFBC_TILED_HEADERS)
features |= AFBC_FORMAT_MOD_TILED;
if (features)
return DRM_FORMAT_MOD_ARM_AFBC(features | AFBC_FORMAT_MOD_YTR);
return 0;
}
#else
uint64_t MesonImporter::ConvertGrallocFormatToDrmModifiers(
uint64_t /* flags */) {
return 0;
}
#endif
int MesonImporter::ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) {
uint64_t modifiers[4] = {0};
memset(bo, 0, sizeof(hwc_drm_bo_t));
private_handle_t const *hnd = reinterpret_cast<private_handle_t const *>(
handle);
if (!hnd)
return -EINVAL;
// We can't import these types of buffers.
// These buffers should have been filtered out with CanImportBuffer()
if (!(hnd->usage & GRALLOC_USAGE_HW_FB))
return -EINVAL;
uint32_t gem_handle;
int ret = drmPrimeFDToHandle(drm_->fd(), hnd->share_fd, &gem_handle);
if (ret) {
ALOGE("failed to import prime fd %d ret=%d", hnd->share_fd, ret);
return ret;
}
uint32_t fmt = ConvertHalFormatToDrm(hnd->req_format);
if (fmt == DRM_FORMAT_INVALID)
return -EINVAL;
modifiers[0] = ConvertGrallocFormatToDrmModifiers(hnd->internal_format);
bo->width = hnd->width;
bo->height = hnd->height;
bo->hal_format = hnd->req_format;
bo->format = fmt;
bo->usage = hnd->usage;
bo->pixel_stride = hnd->stride;
bo->pitches[0] = hnd->byte_stride;
bo->gem_handles[0] = gem_handle;
bo->offsets[0] = 0;
ret = drmModeAddFB2WithModifiers(drm_->fd(), bo->width, bo->height,
bo->format, bo->gem_handles, bo->pitches,
bo->offsets, modifiers, &bo->fb_id,
modifiers[0] ? DRM_MODE_FB_MODIFIERS : 0);
if (ret) {
ALOGE("could not create drm fb %d", ret);
return ret;
}
return ret;
}
bool MesonImporter::CanImportBuffer(buffer_handle_t handle) {
private_handle_t const *hnd = reinterpret_cast<private_handle_t const *>(
handle);
return hnd && (hnd->usage & GRALLOC_USAGE_HW_FB);
}
std::unique_ptr<Planner> Planner::CreateInstance(DrmDevice *) {
std::unique_ptr<Planner> planner(new Planner);
planner->AddStage<PlanStageGreedy>();
return planner;
}
} // namespace android
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