Source code: Implementing Direct3D for fun and profit25 Oct 2010
Almost a year and a half ago I blogged about several useful things that you can do with custom IDirect3DDevice9 implementations. I don’t know why I did not post the code back then, but anyway - here it is:
dummydevice.h - this is just an example of a dummy device implementation; it implements all device methods with stubs that can’t be called without a debugging break. This is useful for other partial implementations.
deferreddevice.h - this is the implementation of the device that buffers various rendering calls and then allows to execute them on some other device. Note that it lives in a fixed size memory buffer, which can be easily changed, and that it implements only a subset of rendering-related functions (i.e. no FFP).
texturedevice.h - this is the implementation of the device that works with D3DXCreateTextureFromFile for 2D textures and cubemaps (3D texture support is missing but can be added in the same way).
DL_BREAK is the replacement for __debugbreak, DL_ASSERT is a custom assertion macro (with neat (void)sizeof(!(expr)) trick that I hope everybody knows about by now), everything else should be obvious.
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