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transfer vertex data, texture data etc... to MMIO where DMA engines will transfer the data to command procesor and to GPU scheduler.There are literally hundreds of various GPU registers mapped to host memory which are written/read by display driver and video port driver. All thos...
Install the interrupt handlers with interrupt service. Return a device Handle to the application. Data transfer APIs – Blocking/Core vs non-Blocking/DMA. Blocking mode: A read or write call does not return until the read or write transaction has completed. SSLDD 3.0 implements core mode as ...
where 16-bit IDT lives that's mean that your code is working in VGA mode and probably writing pixel data through I/O ports. While using graphics API's like DirectX or OpenGL CPU wil communicate with the GPU by using 32/64-bit DMA engine to transfer vertex data, texture data etc......
Voxel engines need to maximize their use of parallelism (both threading and SIMD) and also to store the data efficiently in an octree or some other structure that can handle sparse data. If you are doing all these things and still not getting the performance you expect, it's...