HLSL Compiler and d3dcompiler_xx.dll

[Reece Dunn]

On 14 April 2010 16:19, Matijn Woudt <tijnema at gmail.com> wrote:
> I have thought about using LLVM, but I don't like it because of:
> 1) Having another wine dependency (~40MB for me on ubuntu)
> 2) Code generated by LLVM will most likely not generated exactly the
> same bytecode as native compiler does, even though the shader has same
> effect on both. This makes it really hard to verify the HLSL compiler
> is working. My idea was to make wine's hlsl compiler produce exactly
> the same bytecode as native does. We might even find bugs in the
> native compiler, and either fix or duplicate these bugs.
>
> LLVM might be useful if we needed a really fast compiler, but native
> compiler isn't really fast AFAIK. Once games are calling it a few
> hundred times it might be worth the effort.

My understanding was that LLVM is written in C++, so cannot be used
directly in Wine (which only allows C89 code).

Therefore, for it to be usable in Wine, the LLVM API will need to be
wrapped in a C API.

- Reece