diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_blorp_blit.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp index 5c936cf8180..644cb4170b6 100644 --- a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp +++ b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp @@ -1992,10 +1992,13 @@ brw_blorp_blit_params::brw_blorp_blit_params(struct brw_context *brw, wm_prog_key.src_tiled_w = src.map_stencil_as_y_tiled; wm_prog_key.dst_tiled_w = dst.map_stencil_as_y_tiled; - x0 = wm_push_consts.dst_x0 = dst_x0; - y0 = wm_push_consts.dst_y0 = dst_y0; - x1 = wm_push_consts.dst_x1 = dst_x1; - y1 = wm_push_consts.dst_y1 = dst_y1; + /* Round floating point values to nearest integer to avoid "off by one texel" + * kind of errors when blitting. + */ + x0 = wm_push_consts.dst_x0 = roundf(dst_x0); + y0 = wm_push_consts.dst_y0 = roundf(dst_y0); + x1 = wm_push_consts.dst_x1 = roundf(dst_x1); + y1 = wm_push_consts.dst_y1 = roundf(dst_y1); wm_push_consts.rect_grid_x1 = (minify(src_mt->logical_width0, src_level) * wm_prog_key.x_scale - 1.0); wm_push_consts.rect_grid_y1 = (minify(src_mt->logical_height0, src_level) * |