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/*
* Copyright 2020 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "cros_gralloc/gralloc3/CrosGralloc3Utils.h"
#include <array>
#include <limits>
#include <unordered_map>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <cutils/native_handle.h>
#include "cros_gralloc/cros_gralloc_helpers.h"
using android::hardware::hidl_bitfield;
using android::hardware::hidl_handle;
using android::hardware::hidl_vec;
using android::hardware::graphics::common::V1_2::BufferUsage;
using android::hardware::graphics::common::V1_2::PixelFormat;
using BufferDescriptorInfo =
android::hardware::graphics::mapper::V3_0::IMapper::BufferDescriptorInfo;
std::string getPixelFormatString(PixelFormat format) {
switch (format) {
case PixelFormat::BGRA_8888:
return "PixelFormat::BGRA_8888";
case PixelFormat::BLOB:
return "PixelFormat::BLOB";
case PixelFormat::DEPTH_16:
return "PixelFormat::DEPTH_16";
case PixelFormat::DEPTH_24:
return "PixelFormat::DEPTH_24";
case PixelFormat::DEPTH_24_STENCIL_8:
return "PixelFormat::DEPTH_24_STENCIL_8";
case PixelFormat::DEPTH_32F:
return "PixelFormat::DEPTH_24";
case PixelFormat::DEPTH_32F_STENCIL_8:
return "PixelFormat::DEPTH_24_STENCIL_8";
case PixelFormat::HSV_888:
return "PixelFormat::HSV_888";
case PixelFormat::IMPLEMENTATION_DEFINED:
return "PixelFormat::IMPLEMENTATION_DEFINED";
case PixelFormat::RAW10:
return "PixelFormat::RAW10";
case PixelFormat::RAW12:
return "PixelFormat::RAW12";
case PixelFormat::RAW16:
return "PixelFormat::RAW16";
case PixelFormat::RAW_OPAQUE:
return "PixelFormat::RAW_OPAQUE";
case PixelFormat::RGBA_1010102:
return "PixelFormat::RGBA_1010102";
case PixelFormat::RGBA_8888:
return "PixelFormat::RGBA_8888";
case PixelFormat::RGBA_FP16:
return "PixelFormat::RGBA_FP16";
case PixelFormat::RGBX_8888:
return "PixelFormat::RGBX_8888";
case PixelFormat::RGB_565:
return "PixelFormat::RGB_565";
case PixelFormat::RGB_888:
return "PixelFormat::RGB_888";
case PixelFormat::STENCIL_8:
return "PixelFormat::STENCIL_8";
case PixelFormat::Y16:
return "PixelFormat::Y16";
case PixelFormat::Y8:
return "PixelFormat::Y8";
case PixelFormat::YCBCR_420_888:
return "PixelFormat::YCBCR_420_888";
case PixelFormat::YCBCR_422_I:
return "PixelFormat::YCBCR_422_I";
case PixelFormat::YCBCR_422_SP:
return "PixelFormat::YCBCR_422_SP";
case PixelFormat::YCBCR_P010:
return "PixelFormat::YCBCR_P010";
case PixelFormat::YCRCB_420_SP:
return "PixelFormat::YCRCB_420_SP";
case PixelFormat::YV12:
return "PixelFormat::YV12";
}
return android::base::StringPrintf("PixelFormat::Unknown(%d)", static_cast<uint32_t>(format));
}
std::string getUsageString(hidl_bitfield<BufferUsage> bufferUsage) {
using Underlying = typename std::underlying_type<BufferUsage>::type;
Underlying usage = static_cast<Underlying>(bufferUsage);
std::vector<std::string> usages;
if (usage & BufferUsage::CAMERA_INPUT) {
usage &= ~static_cast<Underlying>(BufferUsage::CAMERA_INPUT);
usages.push_back("BufferUsage::CAMERA_INPUT");
}
if (usage & BufferUsage::CAMERA_OUTPUT) {
usage &= ~static_cast<Underlying>(BufferUsage::CAMERA_OUTPUT);
usages.push_back("BufferUsage::CAMERA_OUTPUT");
}
if (usage & BufferUsage::COMPOSER_CURSOR) {
usage &= ~static_cast<Underlying>(BufferUsage::COMPOSER_CURSOR);
usages.push_back("BufferUsage::COMPOSER_CURSOR");
}
if (usage & BufferUsage::COMPOSER_OVERLAY) {
usage &= ~static_cast<Underlying>(BufferUsage::COMPOSER_OVERLAY);
usages.push_back("BufferUsage::COMPOSER_OVERLAY");
}
if (usage & BufferUsage::CPU_READ_OFTEN) {
usage &= ~static_cast<Underlying>(BufferUsage::CPU_READ_OFTEN);
usages.push_back("BufferUsage::CPU_READ_OFTEN");
}
if (usage & BufferUsage::CPU_READ_NEVER) {
usage &= ~static_cast<Underlying>(BufferUsage::CPU_READ_NEVER);
usages.push_back("BufferUsage::CPU_READ_NEVER");
}
if (usage & BufferUsage::CPU_READ_RARELY) {
usage &= ~static_cast<Underlying>(BufferUsage::CPU_READ_RARELY);
usages.push_back("BufferUsage::CPU_READ_RARELY");
}
if (usage & BufferUsage::CPU_WRITE_NEVER) {
usage &= ~static_cast<Underlying>(BufferUsage::CPU_WRITE_NEVER);
usages.push_back("BufferUsage::CPU_WRITE_NEVER");
}
if (usage & BufferUsage::CPU_WRITE_OFTEN) {
usage &= ~static_cast<Underlying>(BufferUsage::CPU_WRITE_OFTEN);
usages.push_back("BufferUsage::CPU_WRITE_OFTEN");
}
if (usage & BufferUsage::CPU_WRITE_RARELY) {
usage &= ~static_cast<Underlying>(BufferUsage::CPU_WRITE_RARELY);
usages.push_back("BufferUsage::CPU_WRITE_RARELY");
}
if (usage & BufferUsage::GPU_RENDER_TARGET) {
usage &= ~static_cast<Underlying>(BufferUsage::GPU_RENDER_TARGET);
usages.push_back("BufferUsage::GPU_RENDER_TARGET");
}
if (usage & BufferUsage::GPU_TEXTURE) {
usage &= ~static_cast<Underlying>(BufferUsage::GPU_TEXTURE);
usages.push_back("BufferUsage::GPU_TEXTURE");
}
if (usage & BufferUsage::PROTECTED) {
usage &= ~static_cast<Underlying>(BufferUsage::PROTECTED);
usages.push_back("BufferUsage::PROTECTED");
}
if (usage & BufferUsage::RENDERSCRIPT) {
usage &= ~static_cast<Underlying>(BufferUsage::RENDERSCRIPT);
usages.push_back("BufferUsage::RENDERSCRIPT");
}
if (usage & BufferUsage::VIDEO_DECODER) {
usage &= ~static_cast<Underlying>(BufferUsage::VIDEO_DECODER);
usages.push_back("BufferUsage::VIDEO_DECODER");
}
if (usage & BufferUsage::VIDEO_ENCODER) {
usage &= ~static_cast<Underlying>(BufferUsage::VIDEO_ENCODER);
usages.push_back("BufferUsage::VIDEO_ENCODER");
}
if (usage) {
usages.push_back(android::base::StringPrintf("UnknownUsageBits-%" PRIu64, usage));
}
return android::base::Join(usages, '|');
}
int convertToDrmFormat(PixelFormat format, uint32_t* outDrmFormat) {
switch (format) {
case PixelFormat::BGRA_8888:
*outDrmFormat = DRM_FORMAT_ARGB8888;
return 0;
/**
* Choose DRM_FORMAT_R8 because <system/graphics.h> requires the buffers
* with a format HAL_PIXEL_FORMAT_BLOB have a height of 1, and width
* equal to their size in bytes.
*/
case PixelFormat::BLOB:
*outDrmFormat = DRM_FORMAT_R8;
return 0;
case PixelFormat::DEPTH_16:
return -EINVAL;
case PixelFormat::DEPTH_24:
return -EINVAL;
case PixelFormat::DEPTH_24_STENCIL_8:
return -EINVAL;
case PixelFormat::DEPTH_32F:
return -EINVAL;
case PixelFormat::DEPTH_32F_STENCIL_8:
return -EINVAL;
case PixelFormat::HSV_888:
return -EINVAL;
case PixelFormat::IMPLEMENTATION_DEFINED:
*outDrmFormat = DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED;
return 0;
case PixelFormat::RAW10:
return -EINVAL;
case PixelFormat::RAW12:
return -EINVAL;
case PixelFormat::RAW16:
*outDrmFormat = DRM_FORMAT_R16;
return 0;
/* TODO use blob */
case PixelFormat::RAW_OPAQUE:
return -EINVAL;
case PixelFormat::RGBA_1010102:
*outDrmFormat = DRM_FORMAT_ABGR2101010;
return 0;
case PixelFormat::RGBA_8888:
*outDrmFormat = DRM_FORMAT_ABGR8888;
return 0;
case PixelFormat::RGBA_FP16:
*outDrmFormat = DRM_FORMAT_ABGR16161616F;
return 0;
case PixelFormat::RGBX_8888:
*outDrmFormat = DRM_FORMAT_XBGR8888;
return 0;
case PixelFormat::RGB_565:
*outDrmFormat = DRM_FORMAT_RGB565;
return 0;
case PixelFormat::RGB_888:
*outDrmFormat = DRM_FORMAT_RGB888;
return 0;
case PixelFormat::STENCIL_8:
return -EINVAL;
case PixelFormat::Y16:
*outDrmFormat = DRM_FORMAT_R16;
return 0;
case PixelFormat::Y8:
*outDrmFormat = DRM_FORMAT_R8;
return 0;
case PixelFormat::YCBCR_420_888:
*outDrmFormat = DRM_FORMAT_FLEX_YCbCr_420_888;
return 0;
case PixelFormat::YCBCR_422_SP:
return -EINVAL;
case PixelFormat::YCBCR_422_I:
return -EINVAL;
case PixelFormat::YCBCR_P010:
*outDrmFormat = DRM_FORMAT_P010;
return 0;
case PixelFormat::YCRCB_420_SP:
*outDrmFormat = DRM_FORMAT_NV21;
return 0;
case PixelFormat::YV12:
*outDrmFormat = DRM_FORMAT_YVU420_ANDROID;
return 0;
};
return -EINVAL;
}
int convertToBufferUsage(uint64_t grallocUsage, uint64_t* outBufferUsage) {
uint64_t bufferUsage = BO_USE_NONE;
if ((grallocUsage & BufferUsage::CPU_READ_MASK) ==
static_cast<uint64_t>(BufferUsage::CPU_READ_RARELY)) {
bufferUsage |= BO_USE_SW_READ_RARELY;
}
if ((grallocUsage & BufferUsage::CPU_READ_MASK) ==
static_cast<uint64_t>(BufferUsage::CPU_READ_OFTEN)) {
bufferUsage |= BO_USE_SW_READ_OFTEN;
}
if ((grallocUsage & BufferUsage::CPU_WRITE_MASK) ==
static_cast<uint64_t>(BufferUsage::CPU_WRITE_RARELY)) {
bufferUsage |= BO_USE_SW_WRITE_RARELY;
}
if ((grallocUsage & BufferUsage::CPU_WRITE_MASK) ==
static_cast<uint64_t>(BufferUsage::CPU_WRITE_OFTEN)) {
bufferUsage |= BO_USE_SW_WRITE_OFTEN;
}
if (grallocUsage & BufferUsage::GPU_TEXTURE) {
bufferUsage |= BO_USE_TEXTURE;
}
if (grallocUsage & BufferUsage::GPU_RENDER_TARGET) {
bufferUsage |= BO_USE_RENDERING;
}
if (grallocUsage & BufferUsage::COMPOSER_OVERLAY) {
/* HWC wants to use display hardware, but can defer to OpenGL. */
bufferUsage |= BO_USE_SCANOUT | BO_USE_TEXTURE;
}
/* Map this flag to linear until real HW protection is available on Android. */
if (grallocUsage & BufferUsage::PROTECTED) {
bufferUsage |= BO_USE_LINEAR;
}
if (grallocUsage & BufferUsage::COMPOSER_CURSOR) {
bufferUsage |= BO_USE_NONE;
}
if (grallocUsage & BufferUsage::VIDEO_ENCODER) {
/*HACK: See b/30054495 */
bufferUsage |= BO_USE_SW_READ_OFTEN;
}
if (grallocUsage & BufferUsage::CAMERA_OUTPUT) {
bufferUsage |= BO_USE_CAMERA_WRITE;
}
if (grallocUsage & BufferUsage::CAMERA_INPUT) {
bufferUsage |= BO_USE_CAMERA_READ;
}
if (grallocUsage & BufferUsage::RENDERSCRIPT) {
bufferUsage |= BO_USE_RENDERSCRIPT;
}
if (grallocUsage & BufferUsage::VIDEO_DECODER) {
bufferUsage |= BO_USE_HW_VIDEO_DECODER;
}
*outBufferUsage = bufferUsage;
return 0;
}
int convertToMapUsage(uint64_t grallocUsage, uint32_t* outMapUsage) {
uint32_t mapUsage = BO_MAP_NONE;
if (grallocUsage & BufferUsage::CPU_READ_MASK) {
mapUsage |= BO_MAP_READ;
}
if (grallocUsage & BufferUsage::CPU_WRITE_MASK) {
mapUsage |= BO_MAP_WRITE;
}
*outMapUsage = mapUsage;
return 0;
}
int convertToCrosDescriptor(const BufferDescriptorInfo& descriptor,
struct cros_gralloc_buffer_descriptor* outCrosDescriptor) {
outCrosDescriptor->width = descriptor.width;
outCrosDescriptor->height = descriptor.height;
outCrosDescriptor->droid_format = static_cast<int32_t>(descriptor.format);
outCrosDescriptor->droid_usage = descriptor.usage;
outCrosDescriptor->reserved_region_size = 0;
if (descriptor.layerCount > 1) {
drv_log("Failed to convert descriptor. Unsupported layerCount: %d\n",
descriptor.layerCount);
return -EINVAL;
}
if (convertToDrmFormat(descriptor.format, &outCrosDescriptor->drm_format)) {
std::string pixelFormatString = getPixelFormatString(descriptor.format);
drv_log("Failed to convert descriptor. Unsupported format %s\n", pixelFormatString.c_str());
return -EINVAL;
}
if (convertToBufferUsage(descriptor.usage, &outCrosDescriptor->use_flags)) {
std::string usageString = getUsageString(descriptor.usage);
drv_log("Failed to convert descriptor. Unsupported usage flags %s\n", usageString.c_str());
return -EINVAL;
}
return 0;
}
int convertToFenceFd(const hidl_handle& fenceHandle, int* outFenceFd) {
if (!outFenceFd) {
return -EINVAL;
}
const native_handle_t* nativeHandle = fenceHandle.getNativeHandle();
if (nativeHandle && nativeHandle->numFds > 1) {
return -EINVAL;
}
*outFenceFd = (nativeHandle && nativeHandle->numFds == 1) ? nativeHandle->data[0] : -1;
return 0;
}
int convertToFenceHandle(int fenceFd, hidl_handle* outFenceHandle) {
if (!outFenceHandle) {
return -EINVAL;
}
if (fenceFd < 0) {
return 0;
}
NATIVE_HANDLE_DECLARE_STORAGE(handleStorage, 1, 0);
auto fenceHandle = native_handle_init(handleStorage, 1, 0);
fenceHandle->data[0] = fenceFd;
*outFenceHandle = fenceHandle;
return 0;
}
std::optional<BufferDescriptorInfo> decodeBufferDescriptorInfo(const hidl_vec<uint32_t>& encoded) {
if (encoded.size() != 5) {
drv_log("Failed to decodeBufferDescriptorInfo. Invalid size: %zd.\n", encoded.size());
return {};
}
BufferDescriptorInfo descriptor;
descriptor.width = encoded[0];
descriptor.height = encoded[1];
descriptor.layerCount = encoded[2];
descriptor.format = static_cast<PixelFormat>(encoded[3]);
descriptor.usage = encoded[4];
return std::move(descriptor);
}
std::optional<hidl_vec<uint32_t>> encodeBufferDescriptorInfo(const BufferDescriptorInfo& info) {
hidl_vec<uint32_t> encoded;
encoded.resize(5);
encoded[0] = info.width;
encoded[1] = info.height;
encoded[2] = info.layerCount;
encoded[3] = static_cast<uint32_t>(info.format);
encoded[4] = info.usage & std::numeric_limits<uint32_t>::max();
return std::move(encoded);
}