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96 lines
2.7 KiB
Markdown
96 lines
2.7 KiB
Markdown
# Android Driver Package Format
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## Contents
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- `meta.json` that follows `Schema`
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- `<driver>.so` main driver shared library
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- `*.so` all libraries depended on by the main driver library, these must have their sonames altered if they wish to replace the system version of the library
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## Example
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- `meta.json`:
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```json
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{
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"schemaVersion": 1,
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"name": "Qualcomm v615 Vulkan driver",
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"description": "Proprietary Vulkan driver for Adreno 6xx and Adreno 7xx",
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"author": "ByLaws",
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"packageVersion": "2",
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"vendor": "Qualcomm",
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"driverVersion": "0.615.0",
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"minApi": 27,
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"libraryName": "vulkan.ad0615.so"
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}
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```
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- `vulkan.ad0615.so`: main patched driver
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- `notadreno_utils.so`, `notdmabufheap.so`, `notgsl.so`, `notllvm-glnext.so`, `notllvm-qgl.so`: patched-soname versions of libraries specific to each driver version
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- `android.hardware.graphics.mappershim.so`, `vendor.qti.hardware.display.mapperextensionsshim.so`, `vendor.qti.hardware.display.mappershim.so`: qtimapper-shim libs
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## Creation
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I recommend running blob-patcher.py to patch a set of blobs from a device dump with mapper ver as 5, then copying in the qtimapper-shim files from the adrenotools releases page.
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```bash
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$ mkdir outpkg
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$ patch.py <device dump> outpkg vulkan.adreno.so vulkan.ad0615.so 1
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$ vim outpkg/meta.json
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$ cp qtimapper-shim-rel/* outpkg
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```
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## Schema
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```json
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{
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"$schema": "https://json-schema.org/draft/2020-12/schema",
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"title": "ADPKG Schema",
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"type": "object",
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"properties": {
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"schemaVersion": {
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"type": "number",
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"example": 1
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},
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"name": {
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"type": "string",
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"example": "Qualcomm Adreno Driver"
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},
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"vendor": {
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"enum": [
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"Qualcomm",
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"Mesa"
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],
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},
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"driverVersion": {
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"type": "string",
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"pattern": "^[0-9]+.[0-9]+.[0-9]+(-.+)?$",
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"example": "512.604.0"
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},
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"author": {
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"type": "string",
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"example": "Billy Laws"
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},
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"description": {
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"type": "string",
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"description": "Additional description of the driver, this shouldn't contain redundant information that is already covered by the other fields such as the version and only denote details important for the user"
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},
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"packageVersion": {
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"type": "string",
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"example": "3029-bylaws"
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},
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"minApi": {
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"type": "number",
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"description": "The minimum Android API version required by the driver to function correctly",
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"example": 27
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},
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"libraryName": {
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"type": "string",
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"description": "The name of the main shared library object",
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"example": "vulkan.adreno.so"
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},
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},
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"required": [
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"schemaVersion",
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"name",
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"author",
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"packageVersion",
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"vendor",
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"driverVersion",
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"minApi",
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]
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}
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```
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