Re: [PATCH 0/1] MR2847: gdiplus: Improve performance of gdip_transform_points.

[Bartosz Kosiorek (＠gang65)]

Bartosz Kosiorek (@gang65) commented about dlls/gdiplus/graphics.c:
> switch ((int)src_space)
>              {
>              case CoordinateSpaceWorld:
> -                GdipMultiplyMatrix(matrix, &graphics->worldtrans, MatrixOrderAppend);
> +                memcpy(matrix->matrix, &graphics->worldtrans, 6 * sizeof(REAL));

Instead of expensive Matrix Multiplication by [Identity Matrix](https://en.wikipedia.org/wiki/Identity_matrix), just copy matrix, and boost performance.

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/2847#note_33026