Basic framework for D3D11 init, model/texture loading, shader compilation and camera movement.

Related tags

Graphics reed-framework
Overview

reed-framework

Basic framework for D3D11 init, model/texture loading, camera movement, etc.

Instructions:

  • #include
  • Link with framework.lib, or just add framework.vcxproj to your solution and reference it
  • Also link with d3d11.lib, dxgi.lib, and xinput_9_1_0.lib (or the newer xinput1_4.dll)

Current features:

  • Asset compilation system for pre-processing graphics data into an engine-friendly format
    • Compiles meshes from .obj format; also parses .mtl materials
    • Compiles textures from any format stb_image supports, resampling to power-of-two size and generating mipmaps
    • Stores compiled data in an asset pack in .zip format for easy distribution
    • Identifies out-of-date assets by timestamp or file format version number, and recompiles only out-of-date or missing ones
  • COM smart pointer—handles COM reference counting while being mostly transparent
  • D3D11 window class—handles window creation, D3D11 init, message loop, resizing, etc.
  • Functions for blitting textures
  • Function for drawing a full-screen triangle
  • Common D3D11 state objects—rasterizer, depth/stencil, blend, sampler
  • D3D11 constant buffer class
  • D3D11 texture classes: 2D, cubemap, 3D
  • D3D11 render target class
  • D3D11 mesh class
  • Texture and material library classes: map string names to textures/materials stored in an asset pack
  • Mipmap size calculations
  • Camera classes—FPS-style and Maya-style, and object hierarchy for adding more
  • CPU timer—smooths timestep for stability; also tracks total time since startup
  • GPU profiler—manages queries, buffers a few frames, and smooths the results

Todo list (in no particular order):

  • Debug line rendering
  • AntTweakBar integration / extensions
  • Console for displaying realtime errors/warnings without stopping the world
  • Video memory usage prediction/tracking
  • Shader compilation framework
  • Scene rendering framework, supporting multiple objects/materials, etc.
  • Postprocessing framework
  • Multicore asset compilation
  • Async asset loading
  • Better input system; gamepad support
  • Screenshotting—both LDR and HDR
  • Multi-monitor and multi-GPU awareness
  • GPU clock speed monitoring à la GPU-Z
  • OpenGL & cross-platform support
Comments
  • Support relative paths in assets properly

    Support relative paths in assets properly

    There are a bunch of issues with paths in asset packs.

    • The path provided to the compiler has to be pre-normalized (i.e. lowercase with forward slashes).
    • The internal path from the root of the pack to the asset has to be the same as the relative path provided to the asset compiler to find the source file. In other words, you can't build an asset pack from a root other than the current directory.
    • OBJs can only reference MTLs in the same directory as the OBJ.
    enhancement 
    opened by Reedbeta 0
  • Detect duplicate materials and unused materials

    Detect duplicate materials and unused materials

    The material compiler currently doesn't warn about duplicate names in an .mtl file, but then the dupes get dropped on the floor when they're loaded and stored in a hash table.

    Also, we don't currently do anything about unused materials. There are two parts to this: 1. clean up empty material ranges in meshes; 2. clean up materials in the library that are never referenced by any material range in the mesh.

    enhancement 
    opened by Reedbeta 1
  • Switch to LZ4 instead of ZIP compression

    Switch to LZ4 instead of ZIP compression

    ZIP decompression is quite slow. In part this is due to a CRC32 check of the decompressed data, but even when that's disabled, decompression in miniz is slower than HDD read speeds. Should switch to LZ4 for faster loading.

    enhancement 
    opened by Reedbeta 0
  • Asset pack doesn't get updated due to wrong version, if no assets of that version type

    Asset pack doesn't get updated due to wrong version, if no assets of that version type

    For example, if an asset pack has no meshes, then the system doesn't think it needs to be updated when I bump the mesh version. However, it still fails to load due to the version mismatch.

    Possible solutions:

    • Store asset version numbers with the individual assets, so there'd be no mismatch if no assets of that type
    • Smarten update logic, to have the notion of updating the pack (i.e. writing new version numbers) even if no individual assets need updating
    • Smarten loading logic, to ignore mismatched versions if there are no assets of that type
    bug 
    opened by Reedbeta 0
  • Separate D3D device creation from window/swapchain creation

    Separate D3D device creation from window/swapchain creation

    Today, D3D11Window::Init() just does everything. Should at least split it into two init methods: one for the D3D device, shaders, state blocks etc. and another for the window and swap chain. In fact, it should possibly be split into two classes, so you can easily have one device and several (or zero) windows/swapchains.

    enhancement 
    opened by Reedbeta 0
Owner
Nathan Reed
3D rendering at Adobe; formerly at 343, Sucker Punch, and NVIDIA. Math & coding blog writer, sometime musician, sci-fi & physics nerd. He/him.
Nathan Reed
GitHub
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