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/*
* Copyright (C) 2015 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-hisi"
#include "platformhisi.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"
#define MALI_ALIGN(value, base) (((value) + ((base)-1)) & ~((base)-1))
namespace android {
Importer *Importer::CreateInstance(DrmDevice *drm) {
HisiImporter *importer = new HisiImporter(drm);
if (!importer)
return NULL;
int ret = importer->Init();
if (ret) {
ALOGE("Failed to initialize the hisi 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 HisiImporter::ConvertGrallocFormatToDrmModifiers(uint64_t flags,
bool is_rgb) {
uint64_t features = 0UL;
if (flags & MALI_GRALLOC_INTFMT_AFBC_BASIC)
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_WIDEBLK)
features |= AFBC_FORMAT_MOD_BLOCK_SIZE_32x8;
if (flags & MALI_GRALLOC_INTFMT_AFBC_TILED_HEADERS)
features |= AFBC_FORMAT_MOD_TILED;
if (features) {
if (is_rgb)
features |= AFBC_FORMAT_MOD_YTR;
return DRM_FORMAT_MOD_ARM_AFBC(features);
}
return 0;
}
#else
uint64_t HisiImporter::ConvertGrallocFormatToDrmModifiers(uint64_t /* flags */,
bool /* is_rgb */) {
return 0;
}
#endif
bool HisiImporter::IsDrmFormatRgb(uint32_t drm_format) {
switch (drm_format) {
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_BGR888:
case DRM_FORMAT_BGR565:
return true;
case DRM_FORMAT_YVU420:
return false;
default:
ALOGV("Unsupported format %u assuming rgb?", drm_format);
return true;
}
}
int HisiImporter::ConvertBoInfo(buffer_handle_t handle, hwc_drm_bo_t *bo) {
bool is_rgb;
private_handle_t const *hnd = reinterpret_cast<private_handle_t const *>(
handle);
if (!hnd)
return -EINVAL;
if (!(hnd->usage & GRALLOC_USAGE_HW_FB))
return -EINVAL;
uint32_t fmt = ConvertHalFormatToDrm(hnd->req_format);
if (fmt == DRM_FORMAT_INVALID)
return -EINVAL;
is_rgb = HisiImporter::IsDrmFormatRgb(fmt);
bo->modifiers[0] = HisiImporter::
ConvertGrallocFormatToDrmModifiers(hnd->internal_format, is_rgb);
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->prime_fds[0] = hnd->share_fd;
bo->offsets[0] = 0;
switch (fmt) {
case DRM_FORMAT_YVU420: {
int align = 128;
if (hnd->usage &
(GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK))
align = 16;
int adjusted_height = MALI_ALIGN(hnd->height, 2);
int y_size = adjusted_height * hnd->byte_stride;
int vu_stride = MALI_ALIGN(hnd->byte_stride / 2, align);
int v_size = vu_stride * (adjusted_height / 2);
/* V plane*/
bo->prime_fds[1] = hnd->share_fd;
bo->pitches[1] = vu_stride;
bo->offsets[1] = y_size;
/* U plane */
bo->prime_fds[2] = hnd->share_fd;
bo->pitches[2] = vu_stride;
bo->offsets[2] = y_size + v_size;
break;
}
default:
break;
}
bo->with_modifiers = true;
return 0;
}
class PlanStageHiSi : public Planner::PlanStage {
public:
int ProvisionPlanes(std::vector<DrmCompositionPlane> *composition,
std::map<size_t, DrmHwcLayer *> &layers, DrmCrtc *crtc,
std::vector<DrmPlane *> *planes) {
int layers_added = 0;
// Fill up as many DRM planes as we can with buffers that have HW_FB usage.
// Buffers without HW_FB should have been filtered out with
// CanImportBuffer(), if we meet one here, just skip it.
for (auto i = layers.begin(); i != layers.end(); i = layers.erase(i)) {
if (!(i->second->gralloc_buffer_usage & GRALLOC_USAGE_HW_FB))
continue;
int ret = Emplace(composition, planes, DrmCompositionPlane::Type::kLayer,
crtc, std::make_pair(i->first, i->second));
layers_added++;
// We don't have any planes left
if (ret == -ENOENT)
break;
else if (ret) {
ALOGE("Failed to emplace layer %zu, dropping it", i->first);
return ret;
}
}
// If we didn't emplace anything, return an error to ensure we force client
// compositing.
if (!layers_added)
return -EINVAL;
return 0;
}
};
std::unique_ptr<Planner> Planner::CreateInstance(DrmDevice *) {
std::unique_ptr<Planner> planner(new Planner);
planner->AddStage<PlanStageHiSi>();
return planner;
}
} // namespace android
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