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/*
* Copyright (C) 2020 Google Inc. All rights reserved.
*
* Copyright (C) 2008 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.
*/
#include "mali_gralloc_bufferdescriptor.h"
#include "mali_gralloc_usages.h"
#include <sstream>
using android::hardware::graphics::common::V1_2::BufferUsage;
#define BUFFERUSAGE(n) { static_cast<uint64_t>(BufferUsage::n), #n }
#define USAGE(prefix, n) { prefix ## n, #n }
static struct usage_name {
uint64_t usage;
const char *name;
} usage_names[] = {
// graphics common v1.0 usages
BUFFERUSAGE(GPU_TEXTURE),
BUFFERUSAGE(GPU_RENDER_TARGET),
BUFFERUSAGE(COMPOSER_OVERLAY),
BUFFERUSAGE(COMPOSER_CLIENT_TARGET),
BUFFERUSAGE(PROTECTED),
BUFFERUSAGE(COMPOSER_CURSOR),
BUFFERUSAGE(VIDEO_ENCODER),
BUFFERUSAGE(CAMERA_OUTPUT),
BUFFERUSAGE(CAMERA_INPUT),
BUFFERUSAGE(RENDERSCRIPT),
BUFFERUSAGE(VIDEO_DECODER),
BUFFERUSAGE(SENSOR_DIRECT_DATA),
BUFFERUSAGE(GPU_DATA_BUFFER),
// graphics common v1.1 usages
BUFFERUSAGE(GPU_CUBE_MAP),
BUFFERUSAGE(GPU_MIPMAP_COMPLETE),
// graphics common v1.2 usages
BUFFERUSAGE(HW_IMAGE_ENCODER),
// Google usages
USAGE(GRALLOC_USAGE_, GOOGLE_IP_BO),
USAGE(GRALLOC_USAGE_, GOOGLE_IP_MFC),
USAGE(GS101_GRALLOC_USAGE_, TPU_INPUT),
USAGE(GS101_GRALLOC_USAGE_, TPU_OUTPUT),
USAGE(GS101_GRALLOC_USAGE_, CAMERA_STATS),
// Exynos specific usages
USAGE(GRALLOC_USAGE_, PRIVATE_NONSECURE),
USAGE(GRALLOC_USAGE_, NOZEROED),
USAGE(GRALLOC_USAGE_, VIDEO_PRIVATE_DATA),
};
std::string describe_usage(uint64_t usage)
{
std::ostringstream stream;
switch (static_cast<BufferUsage>(usage & BufferUsage::CPU_READ_MASK)) {
case BufferUsage::CPU_READ_NEVER:
stream << "CPU_READ_NEVER";
break;
case BufferUsage::CPU_READ_RARELY:
stream << "CPU_READ_RARELY";
break;
case BufferUsage::CPU_READ_OFTEN:
stream << "CPU_READ_OFTEN";
break;
default:
stream << "<unknown CPU read value 0x" << std::hex << (usage & 0x0full) << ">";
break;
}
stream << "|";
switch (static_cast<BufferUsage>(usage & BufferUsage::CPU_WRITE_MASK)) {
case BufferUsage::CPU_WRITE_NEVER:
stream << "CPU_WRITE_NEVER";
break;
case BufferUsage::CPU_WRITE_RARELY:
stream << "CPU_WRITE_RARELY";
break;
case BufferUsage::CPU_WRITE_OFTEN:
stream << "CPU_WRITE_OFTEN";
break;
default:
stream << "<unknown CPU write value 0x" << std::hex << (usage & 0xf0ull) << ">";
break;
}
usage &= ~(0xffull);
for (uint64_t i = 0;
i < (sizeof(usage_names) / sizeof(usage_name)) && usage;
++i)
{
if ((usage & usage_names[i].usage) == usage_names[i].usage)
{
usage = usage & (~usage_names[i].usage);
stream << "|";
stream << usage_names[i].name;
}
}
if (usage) {
stream << std::dec;
for (uint64_t i = 0; (i < 64) && usage; ++i)
{
if (usage & (1 << i))
{
stream << "|(1<<" << i << ")";
usage &= ~(1 << i);
}
}
}
return stream.str();
}
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