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authorNicolai Hähnle <[email protected]>2017-09-04 11:09:46 +0200
committerNicolai Hähnle <[email protected]>2017-09-06 09:57:08 +0200
commit34124e412f00432ba8b3b8d16e3f2168aa596622 (patch)
tree34d407b9b6d7bdb3fac17df0bf59b2f44f6c603c /src/gallium
parent1e247511e54767667a0a9ac0c06f3206beb005af (diff)
radeonsi/gfx9: always flush DB metadata on framebuffer changes
This fixes GL45-CTS.shader_image_load_store.basic-glsl-earlyFragTests. Cc: [email protected] Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/radeonsi/si_pipe.h4
-rw-r--r--src/gallium/drivers/radeonsi/si_state.c11
-rw-r--r--src/gallium/drivers/radeonsi/si_state_draw.c3
3 files changed, 14 insertions, 4 deletions
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index fbf8db9a786..dde0c115dc5 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -61,9 +61,9 @@
/* Writeback & invalidate the L2 metadata cache. It can only be coupled with
* a CB or DB flush. */
#define SI_CONTEXT_INV_L2_METADATA (R600_CONTEXT_PRIVATE_FLAG << 5)
-/* gap */
/* Framebuffer caches. */
-#define SI_CONTEXT_FLUSH_AND_INV_DB (R600_CONTEXT_PRIVATE_FLAG << 7)
+#define SI_CONTEXT_FLUSH_AND_INV_DB (R600_CONTEXT_PRIVATE_FLAG << 6)
+#define SI_CONTEXT_FLUSH_AND_INV_DB_META (R600_CONTEXT_PRIVATE_FLAG << 7)
#define SI_CONTEXT_FLUSH_AND_INV_CB (R600_CONTEXT_PRIVATE_FLAG << 8)
/* Engine synchronization. */
#define SI_CONTEXT_VS_PARTIAL_FLUSH (R600_CONTEXT_PRIVATE_FLAG << 9)
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 5bbfbdd1ac1..7e9140b8abf 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -2611,9 +2611,18 @@ static void si_set_framebuffer_state(struct pipe_context *ctx,
* individual generate_mipmap blits.
* Note that lower mipmap levels aren't compressed.
*/
- if (sctx->generate_mipmap_for_depth)
+ if (sctx->generate_mipmap_for_depth) {
si_make_DB_shader_coherent(sctx, 1, false,
sctx->framebuffer.DB_has_shader_readable_metadata);
+ } else if (sctx->b.chip_class == GFX9) {
+ /* It appears that DB metadata "leaks" in a sequence of:
+ * - depth clear
+ * - DCC decompress for shader image writes (with DB disabled)
+ * - render with DEPTH_BEFORE_SHADER=1
+ * Flushing DB metadata works around the problem.
+ */
+ sctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_DB_META;
+ }
/* Take the maximum of the old and new count. If the new count is lower,
* dirtying is needed to disable the unbound colorbuffers.
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index 81751d2186e..7ee6cf88e88 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -912,7 +912,8 @@ void si_emit_cache_flush(struct si_context *sctx)
radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
radeon_emit(cs, EVENT_TYPE(V_028A90_FLUSH_AND_INV_CB_META) | EVENT_INDEX(0));
}
- if (rctx->flags & SI_CONTEXT_FLUSH_AND_INV_DB) {
+ if (rctx->flags & (SI_CONTEXT_FLUSH_AND_INV_DB |
+ SI_CONTEXT_FLUSH_AND_INV_DB_META)) {
/* Flush HTILE. SURFACE_SYNC will wait for idle. */
radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
radeon_emit(cs, EVENT_TYPE(V_028A90_FLUSH_AND_INV_DB_META) | EVENT_INDEX(0));