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Peifer ","license":"MIT","homepage":"https://github.com/ObscuritySRL/bun-win32#readme","keywords":["bun","ffi","win32","windows","d3d11","bindings","typescript","dll"],"repository":{"type":"git","url":"git://github.com/ObscuritySRL/bun-win32.git","directory":"packages/d3d11"},"description":"Zero-dependency, zero-overhead Win32 D3D11 bindings for Bun (FFI) on Windows.","maintainers":[{"name":"obscuritysrl","email":"stev.p@outlook.com"}],"readme":"# @bun-win32/d3d11\n\nZero-dependency, zero-overhead Win32 D3D11 bindings for [Bun](https://bun.sh) on Windows.\n\n## Overview\n\n`@bun-win32/d3d11` exposes the `d3d11.dll` exports using [Bun](https://bun.sh)'s FFI. It provides a single class, `D3d11`, which lazily binds native symbols on first use. You can optionally preload a subset or all symbols up-front via `Preload()`.\n\nThe bindings are strongly typed for a smooth DX in TypeScript.\n\n## Features\n\n- [Bun](https://bun.sh)-first ergonomics on Windows 10/11.\n- Direct FFI to `d3d11.dll` (Direct3D 11 device / swap-chain creation, D3D11-on-12 interop, and WinRT `IDirect3DDevice` / `IDirect3DSurface` interop).\n- In-source docs in `structs/D3d11.ts` with links to Microsoft Docs.\n- Lazy binding on first call; optional eager preload (`D3d11.Preload()`).\n- No wrapper overhead; calls map 1:1 to native APIs.\n- Strongly-typed Win32 aliases (see `types/D3d11.ts`).\n\n## Requirements\n\n- [Bun](https://bun.sh) runtime\n- Windows 10 or later\n\n## Installation\n\n```sh\nbun add @bun-win32/d3d11\n```\n\n## Quick Start\n\n```ts\nimport D3d11, { D3D11_SDK_VERSION, D3D_DRIVER_TYPE } from '@bun-win32/d3d11';\n\nconst ppDevice = Buffer.alloc(8);\nconst pFeatureLevel = Buffer.alloc(4);\nconst ppContext = Buffer.alloc(8);\n\nconst hr = D3d11.D3D11CreateDevice(\n null,\n D3D_DRIVER_TYPE.D3D_DRIVER_TYPE_HARDWARE,\n 0n,\n 0,\n null,\n 0,\n D3D11_SDK_VERSION,\n ppDevice.ptr,\n pFeatureLevel.ptr,\n ppContext.ptr,\n);\nif (hr !== 0) throw new Error(`D3D11CreateDevice failed: 0x${(hr >>> 0).toString(16)}`);\n\nconst deviceAddress = ppDevice.readBigUInt64LE(0);\nconst featureLevel = pFeatureLevel.readUInt32LE(0);\nconsole.log(`ID3D11Device @ 0x${deviceAddress.toString(16)}, FL 0x${featureLevel.toString(16)}`);\n// ... drive the device via its COM vtable and call Release when done.\n```\n\n> [!NOTE]\n> AI agents: see `AI.md` for the package binding contract and source-navigation guidance. It explains how to use the package without scanning the entire implementation.\n\n## Examples\n\nRun the included examples:\n\n```sh\n# Device-creation matrix (driver types × feature levels × flags)\nbun run example:d3d11-device-probe\n\n# Interop probe (WinRT IDirect3DDevice/IDirect3DSurface and D3D11-on-12)\nbun run example:d3d11-interop-probe\n```\n\n## Notes\n\n- Either rely on lazy binding or call `D3d11.Preload()`.\n- Windows only. Bun runtime required.\n- **SAL types & naming:** nullability is in the **type** — `Optional` (formally optional, SAL `_*opt_`) and `Nullable` (plain `[in]`/`[out]` the docs say can be NULL), the null sentinel derived from `T` (`null` for pointers `LP*`/`P*`, `0n` for handles/by-value addresses); direction is in the **parameter name** — `_out` (`_Out_`), `_in_out` (`_Inout_`), `_In_` bare. See `AI.md` and the repo `AGENTS.md`.\n","readmeFilename":"README.md"}