diff options
author | Marek Olšák <[email protected]> | 2014-08-23 16:46:53 +0200 |
---|---|---|
committer | Marek Olšák <[email protected]> | 2014-09-01 21:18:52 +0200 |
commit | a10c8db715baa8e12f5267ef2fc59dbb7d191f8d (patch) | |
tree | 4b38e33d7ab31462a105f7f442a3598c238f75b0 /src/gallium | |
parent | f05fe294e7e8dfb08be172f426252192c0ba17ab (diff) |
radeonsi: implement EXPCLEAR optimization for depth
Reviewed-by: Michel Dänzer <[email protected]>
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/drivers/radeon/r600_pipe_common.h | 1 | ||||
-rw-r--r-- | src/gallium/drivers/radeonsi/si_blit.c | 12 | ||||
-rw-r--r-- | src/gallium/drivers/radeonsi/si_pipe.h | 1 | ||||
-rw-r--r-- | src/gallium/drivers/radeonsi/si_state.c | 3 | ||||
-rw-r--r-- | src/gallium/drivers/radeonsi/si_state_draw.c | 8 |
5 files changed, 23 insertions, 2 deletions
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h index cac6faac951..b9a35c76633 100644 --- a/src/gallium/drivers/radeon/r600_pipe_common.h +++ b/src/gallium/drivers/radeon/r600_pipe_common.h @@ -191,6 +191,7 @@ struct r600_texture { /* Depth buffer compression and fast clear. */ struct r600_resource *htile_buffer; + bool depth_cleared; /* if it was cleared at least once */ float depth_clear_value; bool non_disp_tiling; /* R600-Cayman only */ diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c index 4e77d74a79f..96d27ec062f 100644 --- a/src/gallium/drivers/radeonsi/si_blit.c +++ b/src/gallium/drivers/radeonsi/si_blit.c @@ -362,6 +362,12 @@ static void si_clear(struct pipe_context *ctx, unsigned buffers, zsbuf->u.tex.level == 0 && zsbuf->u.tex.first_layer == 0 && zsbuf->u.tex.last_layer == util_max_layer(&zstex->resource.b.b, 0)) { + /* Need to disable EXPCLEAR temporarily if clearing + * to a new value. */ + if (zstex->depth_cleared && zstex->depth_clear_value != depth) { + sctx->db_depth_disable_expclear = true; + } + zstex->depth_clear_value = depth; sctx->framebuffer.atom.dirty = true; /* updates DB_DEPTH_CLEAR */ sctx->db_depth_clear = true; @@ -373,7 +379,11 @@ static void si_clear(struct pipe_context *ctx, unsigned buffers, buffers, color, depth, stencil); si_blitter_end(ctx); - sctx->db_depth_clear = false; + if (sctx->db_depth_clear) { + sctx->db_depth_clear = false; + sctx->db_depth_disable_expclear = false; + zstex->depth_cleared = true; + } } static void si_clear_render_target(struct pipe_context *ctx, diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h index 0a79983a49a..55643d6eb7d 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.h +++ b/src/gallium/drivers/radeonsi/si_pipe.h @@ -165,6 +165,7 @@ struct si_context { unsigned dbcb_copy_sample; bool db_inplace_flush_enabled; bool db_depth_clear; + bool db_depth_disable_expclear; }; /* si_blit.c */ diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c index 9edc23fa1fd..bb8deb6ccff 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -1823,7 +1823,8 @@ static void si_init_depth_surface(struct si_context *sctx, /* HiZ aka depth buffer htile */ /* use htile only for first level */ if (rtex->htile_buffer && !level) { - z_info |= S_028040_TILE_SURFACE_ENABLE(1); + z_info |= S_028040_TILE_SURFACE_ENABLE(1) | + S_028040_ALLOW_EXPCLEAR(1); /* This is optimal for the clear value of 1.0 and using * the LESS and LEQUAL test functions. Set this to 0 diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c index 4fb205a04b8..2e9d9516d7c 100644 --- a/src/gallium/drivers/radeonsi/si_state_draw.c +++ b/src/gallium/drivers/radeonsi/si_state_draw.c @@ -758,6 +758,14 @@ static void si_state_draw(struct si_context *sctx, si_pm4_set_reg(pm4, R_028000_DB_RENDER_CONTROL, 0); } + /* DB_RENDER_OVERRIDE2 */ + if (sctx->db_depth_disable_expclear) { + si_pm4_set_reg(pm4, R_028010_DB_RENDER_OVERRIDE2, + S_028010_DISABLE_ZMASK_EXPCLEAR_OPTIMIZATION(1)); + } else { + si_pm4_set_reg(pm4, R_028010_DB_RENDER_OVERRIDE2, 0); + } + if (info->count_from_stream_output) { struct r600_so_target *t = (struct r600_so_target*)info->count_from_stream_output; |