Genefx: Replace fixed point for xl/xr by DDAs to fix overdraw.
Genefx: Replace fixed point for xl/xr by DDAs to fix overdraw.

The mesh of texture triangles can be blended without artifacts now.

kaostao/directfb,lancebaiyouview/DirectFB,kaostao/directfb,kevleyski/directfb,jcdubois/DirectFB,lancebaiyouview/DirectFB,sklnet/DirectFB,sklnet/DirectFB,dfbdok/DirectFB1,Distrotech/DirectFB,djbclark/directfb-core-DirectFB,djbclark/directfb-core-DirectFB,kevleyski/directfb,sklnet/DirectFB,DirectFB/directfb,DirectFB/directfb,mtsekm/test,deniskropp/DirectFB,lancebaiyouview/DirectFB,mtsekm/test,Distrotech/DirectFB,kevleyski/DirectFB-1,DirectFB/directfb,deniskropp/DirectFB,djbclark/directfb-core-DirectFB,lancebaiyouview/DirectFB,kevleyski/DirectFB-1,kevleyski/directfb,kevleyski/DirectFB-1,djbclark/directfb-core-DirectFB,sklnet/DirectFB,kevleyski/directfb,deniskropp/DirectFB,jcdubois/DirectFB,mtsekm/test,dfbdok/DirectFB1,deniskropp/DirectFB,kaostao/directfb,Distrotech/DirectFB,kevleyski/DirectFB-1,dfbdok/DirectFB1,jcdubois/DirectFB