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authorMarek Olšák <[email protected]>2016-05-03 12:29:16 +0200
committerMarek Olšák <[email protected]>2016-05-06 12:56:47 +0200
commit901f57dff543f89c03c9e1e4eb4bdd79c16cbeb7 (patch)
tree738e3c23633c669014a466d1cd77e351580dedee
parent4489d75a58716327380d6b2e8c3db7df0be3c717 (diff)
radeonsi: set DECOMPRESS_Z_ON_FLUSH if nr_samples >= 4
Vulkan always sets this. It only affects in-place Z decompression. This is recommended for performance, but what app uses MSAA depth texturing? Reviewed-by: Nicolai Hähnle <[email protected]>
-rw-r--r--src/gallium/drivers/radeonsi/si_state.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 81a43410ec6..c6e10b76f70 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -1104,7 +1104,8 @@ static void si_emit_db_render_state(struct si_context *sctx, struct r600_atom *s
/* DB_RENDER_OVERRIDE2 */
radeon_set_context_reg(cs, R_028010_DB_RENDER_OVERRIDE2,
S_028010_DISABLE_ZMASK_EXPCLEAR_OPTIMIZATION(sctx->db_depth_disable_expclear) |
- S_028010_DISABLE_SMEM_EXPCLEAR_OPTIMIZATION(sctx->db_stencil_disable_expclear));
+ S_028010_DISABLE_SMEM_EXPCLEAR_OPTIMIZATION(sctx->db_stencil_disable_expclear) |
+ S_028010_DECOMPRESS_Z_ON_FLUSH(sctx->framebuffer.nr_samples >= 4));
db_shader_control = S_02880C_ALPHA_TO_MASK_DISABLE(sctx->framebuffer.cb0_is_integer) |
sctx->ps_db_shader_control;