dfbtest_old_gl2: Set shader float precision.
dfbtest_old_gl2: Set shader float precision.

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