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-rw-r--r--src/gallium/drivers/radeon/r600_pipe_common.h3
-rw-r--r--src/gallium/drivers/radeon/r600_texture.c33
-rw-r--r--src/gallium/drivers/radeonsi/si_blit.c12
3 files changed, 48 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h
index 32213971370..31ec24de9a2 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.h
+++ b/src/gallium/drivers/radeon/r600_pipe_common.h
@@ -476,6 +476,9 @@ struct r600_common_context {
unsigned first_layer, unsigned last_layer,
unsigned first_sample, unsigned last_sample);
+ void (*decompress_dcc)(struct pipe_context *ctx,
+ struct r600_texture *rtex);
+
/* Reallocate the buffer and update all resource bindings where
* the buffer is bound, including all resource descriptors. */
void (*invalidate_buffer)(struct pipe_context *ctx, struct pipe_resource *buf);
diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c
index 1fff33ef5b5..b8c4c795b3c 100644
--- a/src/gallium/drivers/radeon/r600_texture.c
+++ b/src/gallium/drivers/radeon/r600_texture.c
@@ -289,6 +289,31 @@ static void r600_texture_disable_cmask(struct r600_common_screen *rscreen,
r600_dirty_all_framebuffer_states(rscreen);
}
+static void r600_texture_disable_dcc(struct r600_common_screen *rscreen,
+ struct r600_texture *rtex)
+{
+ struct r600_common_context *rctx =
+ (struct r600_common_context *)rscreen->aux_context;
+
+ if (!rtex->dcc_offset)
+ return;
+
+ /* Decompress DCC. */
+ pipe_mutex_lock(rscreen->aux_context_lock);
+ rctx->decompress_dcc(&rctx->b, rtex);
+ rctx->b.flush(&rctx->b, NULL, 0);
+ pipe_mutex_unlock(rscreen->aux_context_lock);
+
+ /* Disable DCC. */
+ rtex->dcc_offset = 0;
+ rtex->cb_color_info &= ~VI_S_028C70_DCC_ENABLE(1);
+
+ /* Notify all contexts about the change. */
+ r600_dirty_all_framebuffer_states(rscreen);
+
+ /* TODO: re-set all sampler views and images, but how? */
+}
+
static boolean r600_texture_get_handle(struct pipe_screen* screen,
struct pipe_resource *resource,
struct winsys_handle *whandle,
@@ -311,6 +336,13 @@ static boolean r600_texture_get_handle(struct pipe_screen* screen,
res->external_usage = usage;
if (resource->target != PIPE_BUFFER) {
+ /* Since shader image stores don't support DCC on VI,
+ * disable it for external clients that want write
+ * access.
+ */
+ if (usage & PIPE_HANDLE_USAGE_WRITE)
+ r600_texture_disable_dcc(rscreen, rtex);
+
if (!(usage & PIPE_HANDLE_USAGE_EXPLICIT_FLUSH)) {
/* Eliminate fast clear (both CMASK and DCC) */
r600_eliminate_fast_color_clear(rscreen, rtex);
@@ -321,6 +353,7 @@ static boolean r600_texture_get_handle(struct pipe_screen* screen,
r600_texture_disable_cmask(rscreen, rtex);
}
+ /* Set metadata. */
r600_texture_init_metadata(rtex, &metadata);
rscreen->ws->buffer_set_metadata(res->buf, &metadata);
}
diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c
index 198f57d542f..d9c4f8fca1d 100644
--- a/src/gallium/drivers/radeonsi/si_blit.c
+++ b/src/gallium/drivers/radeonsi/si_blit.c
@@ -777,6 +777,17 @@ static void si_flush_resource(struct pipe_context *ctx,
}
}
+static void si_decompress_dcc(struct pipe_context *ctx,
+ struct r600_texture *rtex)
+{
+ if (!rtex->dcc_offset)
+ return;
+
+ si_blit_decompress_color(ctx, rtex, 0, rtex->resource.b.b.last_level,
+ 0, util_max_layer(&rtex->resource.b.b, 0),
+ true);
+}
+
static void si_pipe_clear_buffer(struct pipe_context *ctx,
struct pipe_resource *dst,
unsigned offset, unsigned size,
@@ -846,4 +857,5 @@ void si_init_blit_functions(struct si_context *sctx)
sctx->b.b.blit = si_blit;
sctx->b.b.flush_resource = si_flush_resource;
sctx->b.blit_decompress_depth = si_blit_decompress_depth;
+ sctx->b.decompress_dcc = si_decompress_dcc;
}