From 1a0a8efccedbbdffb86c77d3f02d95b4b8dc908e Mon Sep 17 00:00:00 2001 From: =?utf8?q?Nicolai=20H=C3=A4hnle?= Date: Wed, 29 Jun 2016 14:30:37 +0200 Subject: [PATCH] radeonsi: decompress to flushed depth texture when required MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit v2: s/dirty_level_mask/stencil_dirty_level_mask/ in stencil case Reviewed-by: Marek Olšák --- src/gallium/drivers/radeonsi/si_blit.c | 132 +++++++++++++++++++++++++-------- 1 file changed, 103 insertions(+), 29 deletions(-) diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c index 85c8ca3..84567f0 100644 --- a/src/gallium/drivers/radeonsi/si_blit.c +++ b/src/gallium/drivers/radeonsi/si_blit.c @@ -101,7 +101,7 @@ static unsigned u_max_sample(struct pipe_resource *r) return r->nr_samples ? r->nr_samples - 1 : 0; } -static void +static unsigned si_blit_dbcb_copy(struct si_context *sctx, struct r600_texture *src, struct r600_texture *dst, @@ -111,6 +111,7 @@ si_blit_dbcb_copy(struct si_context *sctx, { struct pipe_surface surf_tmpl = {{0}}; unsigned layer, sample, checked_last_layer, max_layer; + unsigned fully_copied_levels = 0; if (planes & PIPE_MASK_Z) sctx->dbcb_depth_copy_enabled = true; @@ -157,11 +158,17 @@ si_blit_dbcb_copy(struct si_context *sctx, pipe_surface_reference(&zsurf, NULL); pipe_surface_reference(&cbsurf, NULL); } + + if (first_layer == 0 && last_layer >= max_layer && + first_sample == 0 && last_sample >= u_max_sample(&src->resource.b.b)) + fully_copied_levels |= 1u << level; } sctx->dbcb_depth_copy_enabled = false; sctx->dbcb_stencil_copy_enabled = false; si_mark_atom_dirty(sctx, &sctx->db_render_state); + + return fully_copied_levels; } static void si_blit_decompress_depth(struct pipe_context *ctx, @@ -254,52 +261,119 @@ si_blit_decompress_zs_planes_in_place(struct si_context *sctx, si_mark_atom_dirty(sctx, &sctx->db_render_state); } -/* Decompress Z and/or S planes in place, depending on mask. +/* Helper function of si_flush_depth_texture: decompress the given levels + * of Z and/or S planes in place. */ static void si_blit_decompress_zs_in_place(struct si_context *sctx, struct r600_texture *texture, - unsigned planes, - unsigned first_level, unsigned last_level, + unsigned levels_z, unsigned levels_s, unsigned first_layer, unsigned last_layer) { - unsigned level_mask = - u_bit_consecutive(first_level, last_level - first_level + 1); - unsigned cur_level_mask; + unsigned both = levels_z & levels_s; /* First, do combined Z & S decompresses for levels that need it. */ - if (planes == (PIPE_MASK_Z | PIPE_MASK_S)) { - cur_level_mask = - level_mask & - texture->dirty_level_mask & - texture->stencil_dirty_level_mask; + if (both) { si_blit_decompress_zs_planes_in_place( sctx, texture, PIPE_MASK_Z | PIPE_MASK_S, - cur_level_mask, + both, first_layer, last_layer); - level_mask &= ~cur_level_mask; + levels_z &= ~both; + levels_s &= ~both; } /* Now do separate Z and S decompresses. */ - if (planes & PIPE_MASK_Z) { - cur_level_mask = level_mask & texture->dirty_level_mask; + if (levels_z) { si_blit_decompress_zs_planes_in_place( sctx, texture, PIPE_MASK_Z, - cur_level_mask, + levels_z, first_layer, last_layer); - level_mask &= ~cur_level_mask; } - if (planes & PIPE_MASK_S) { - cur_level_mask = level_mask & texture->stencil_dirty_level_mask; + if (levels_s) { si_blit_decompress_zs_planes_in_place( sctx, texture, PIPE_MASK_S, - cur_level_mask, + levels_s, first_layer, last_layer); } } static void +si_flush_depth_texture(struct si_context *sctx, + struct r600_texture *tex, + unsigned required_planes, + unsigned first_level, unsigned last_level, + unsigned first_layer, unsigned last_layer) +{ + unsigned inplace_planes = 0; + unsigned copy_planes = 0; + unsigned level_mask = u_bit_consecutive(first_level, last_level - first_level + 1); + unsigned levels_z = 0; + unsigned levels_s = 0; + + if (required_planes & PIPE_MASK_Z) { + levels_z = level_mask & tex->dirty_level_mask; + + if (levels_z) { + if (r600_can_sample_zs(tex, false)) + inplace_planes |= PIPE_MASK_Z; + else + copy_planes |= PIPE_MASK_Z; + } + } + if (required_planes & PIPE_MASK_S) { + levels_s = level_mask & tex->stencil_dirty_level_mask; + + if (levels_s) { + if (r600_can_sample_zs(tex, true)) + inplace_planes |= PIPE_MASK_S; + else + copy_planes |= PIPE_MASK_S; + } + } + + /* We may have to allocate the flushed texture here when called from + * si_decompress_subresource. + */ + if (copy_planes && + (tex->flushed_depth_texture || + r600_init_flushed_depth_texture(&sctx->b.b, &tex->resource.b.b, NULL))) { + struct r600_texture *dst = tex->flushed_depth_texture; + unsigned fully_copied_levels; + unsigned levels = 0; + + if (util_format_is_depth_and_stencil(dst->resource.b.b.format)) + copy_planes = PIPE_MASK_Z | PIPE_MASK_S; + + if (copy_planes & PIPE_MASK_Z) { + levels |= levels_z; + levels_z = 0; + } + if (copy_planes & PIPE_MASK_S) { + levels |= levels_s; + levels_s = 0; + } + + fully_copied_levels = si_blit_dbcb_copy( + sctx, tex, dst, copy_planes, levels, + first_layer, last_layer, + 0, u_max_sample(&tex->resource.b.b)); + + if (copy_planes & PIPE_MASK_Z) + tex->dirty_level_mask &= ~fully_copied_levels; + if (copy_planes & PIPE_MASK_S) + tex->stencil_dirty_level_mask &= ~fully_copied_levels; + } + + if (inplace_planes) { + si_blit_decompress_zs_in_place( + sctx, tex, + levels_z, levels_s, + first_layer, last_layer); + } +} + +static void si_flush_depth_textures(struct si_context *sctx, struct si_textures_info *textures) { @@ -320,11 +394,11 @@ si_flush_depth_textures(struct si_context *sctx, tex = (struct r600_texture *)view->texture; assert(tex->db_compatible); - si_blit_decompress_zs_in_place(sctx, tex, - sview->is_stencil_sampler ? PIPE_MASK_S - : PIPE_MASK_Z, - view->u.tex.first_level, view->u.tex.last_level, - 0, util_max_layer(&tex->resource.b.b, view->u.tex.first_level)); + si_flush_depth_texture( + sctx, tex, + sview->is_stencil_sampler ? PIPE_MASK_S : PIPE_MASK_Z, + view->u.tex.first_level, view->u.tex.last_level, + 0, util_max_layer(&tex->resource.b.b, view->u.tex.first_level)); } } @@ -727,9 +801,9 @@ static void si_decompress_subresource(struct pipe_context *ctx, if (!(rtex->surface.flags & RADEON_SURF_SBUFFER)) planes &= ~PIPE_MASK_S; - si_blit_decompress_zs_in_place(sctx, rtex, planes, - level, level, - first_layer, last_layer); + si_flush_depth_texture(sctx, rtex, planes, + level, level, + first_layer, last_layer); } else if (rtex->fmask.size || rtex->cmask.size || rtex->dcc_offset) { si_blit_decompress_color(ctx, rtex, level, level, first_layer, last_layer, false); -- 2.7.4