From 382451ff9d7bfa4f807e8ca447180642c91b92e6 Mon Sep 17 00:00:00 2001 From: Kenneth Graunke Date: Mon, 26 Oct 2020 12:39:12 -0700 Subject: iris: fix source/destination layers for 3D blits See commit ea326912575fad09af59486ad62d126c4ea0ede7 for the corresponding fix in anv. Fixes Piglit's fbo-generatemipmap-3d. Cc: mesa-stable Reviewed-by: Lionel Landwerlin Part-of: --- src/gallium/drivers/iris/iris_blit.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/src/gallium/drivers/iris/iris_blit.c b/src/gallium/drivers/iris/iris_blit.c index b0da817a071..c9b1b2fbce4 100644 --- a/src/gallium/drivers/iris/iris_blit.c +++ b/src/gallium/drivers/iris/iris_blit.c @@ -487,15 +487,28 @@ iris_blit(struct pipe_context *ctx, const struct pipe_blit_info *info) else main_mask = PIPE_MASK_RGBA; + float src_z_step = (float)info->src.box.depth / (float)info->dst.box.depth; + + /* There is no interpolation to the pixel center during rendering, so + * add the 0.5 offset ourselves here. + */ + float depth_center_offset = 0; + if (src_res->surf.dim == ISL_SURF_DIM_3D) + depth_center_offset = 0.5 / info->dst.box.depth * info->src.box.depth; + if (info->mask & main_mask) { for (int slice = 0; slice < info->dst.box.depth; slice++) { + unsigned dst_z = info->dst.box.z + slice; + float src_z = info->src.box.z + slice * src_z_step + + depth_center_offset; + iris_batch_maybe_flush(batch, 1500); iris_batch_sync_region_start(batch); blorp_blit(&blorp_batch, - &src_surf, info->src.level, info->src.box.z + slice, + &src_surf, info->src.level, src_z, src_fmt.fmt, src_fmt.swizzle, - &dst_surf, info->dst.level, info->dst.box.z + slice, + &dst_surf, info->dst.level, dst_z, dst_fmt.fmt, dst_fmt.swizzle, src_x0, src_y0, src_x1, src_y1, dst_x0, dst_y0, dst_x1, dst_y1, -- cgit v1.2.3