Enter . What is SwiftShader? SwiftShader is a high-performance, CPU-based implementation of Direct3D 9. Instead of asking your integrated Intel GPU to handle old shaders (which it refuses to do), SwiftShader uses your CPU’s raw power (AVX, SSE2) to emulate the GPU.

[SwiftShader] ThreadCount = 4 (Set ThreadCount to the number of cores your CPU has. If you have an 8-core CPU, set it to 4 or 6. More threads aren't always better for old games.)

The culprit? Your PC likely doesn't have a dedicated GPU. FIFA 12 requires hardware support. Most modern integrated graphics (Intel HD/UHD) have dropped legacy support for these old rendering paths.