diff options
| -rw-r--r-- | src/gallium/drivers/r600/evergreen_state.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c index c126e7dfc3d..e35314f6c0e 100644 --- a/src/gallium/drivers/r600/evergreen_state.c +++ b/src/gallium/drivers/r600/evergreen_state.c @@ -1496,13 +1496,24 @@ static void evergreen_init_depth_surface(struct r600_context *rctx, if (rtex->surface.flags & RADEON_SURF_SBUFFER) { uint64_t stencil_offset = rtex->surface.stencil_offset; - unsigned stile_split = rtex->surface.stencil_tile_split; + unsigned i, stile_split = rtex->surface.stencil_tile_split; stile_split = eg_tile_split(stile_split); stencil_offset += r600_resource_va(screen, surf->base.texture); stencil_offset += rtex->surface.level[level].offset / 4; stencil_offset >>= 8; + /* We're guessing the stencil offset from the depth offset. + * Make sure each mipmap level has a unique offset. */ + for (i = 1; i <= level; i++) { + /* If two levels have the same address, add 256 + * to the offset of the smaller level. */ + if ((rtex->surface.level[i-1].offset / 4) >> 8 == + (rtex->surface.level[i].offset / 4) >> 8) { + stencil_offset++; + } + } + surf->db_stencil_base = stencil_offset; surf->db_stencil_info = S_028044_FORMAT(V_028044_STENCIL_8) | S_028044_TILE_SPLIT(stile_split); |