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A rendering sample that demonstrates bindless deferred texturing using D3D12

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Bindless Deferred Texturing and Decals Sample

This project is a D3D12 rendering sample that implements a deferred renderer using bindless deferred texturing. Deferred texturing is similar to normal deferred rendering, except that textures are not sampled in the geometry pass. Instead, the interpolated UV's are written into the G-Buffer so that the material textures can be sampled during the deferred pass. To enable sampling of textures from arbitrary materials, the demo makes use of dynamic indexing of texture descriptors. The demo also implements a deferred decal system using a clustering technique that's compatible with both deferred texturing as well as clustered forward rendering (which is also implemented in the demo as a baseline for comparison).

See the full blog post for more info: https://therealmjp.github.io/posts/bindless-texturing-for-deferred-rendering-and-decals/

Build Instructions

The repository contains a Visual Studio 2015 project and solution file that's ready to build on Windows. All external dependencies are included in the repository, so there's no need to download additional libraries. Running the demo requires Windows 10, as well as a GPU that supports Feature Level 11_1.

Using The Demo App

To move the camera, press the W/S/A/D/Q/E keys. The camera can also be rotated by right-clicking on the window and dragging the mouse. To place new decals, click the middle mouse button. Everything else is controlled through the in-app settings UI.

Using the new DirectX Shader Compiler

This project supports using the new open-source HLSL compiler (also known as DXC), with support for Shader Model 6.0+. Usage of the new compiler is controlled by the "EnableShaderModel6_" macro that's defined in AppConfig.h. If you enable this flag, you'll want to make sure that you're on Windows 10 version 1803 or later to enable retail support for loading DXIL. If you're on an earlier Win10 version or an older driver, you may need to enable experimental feature support for D3D12ExperimentalShaderModels (see DX12.cpp for some code you can enable to do this).

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A rendering sample that demonstrates bindless deferred texturing using D3D12

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