From: Marek Olšák <marek.ol...@amd.com>
---
src/gallium/drivers/radeon/r600_pipe_common.c | 1 +
src/gallium/drivers/radeon/r600_pipe_common.h | 1 +
src/gallium/drivers/radeon/r600_texture.c | 3 ++-
3 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c
b/src/gallium/drivers/radeon/r600_pipe_common.c
index 6b701b6..5e981d6 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.c
+++ b/src/gallium/drivers/radeon/r600_pipe_common.c
@@ -572,6 +572,7 @@ static const struct debug_named_value
common_debug_options[] = {
{ "mono", DBG_MONOLITHIC_SHADERS, "Use old-style monolithic shaders
compiled on demand" },
{ "noce", DBG_NO_CE, "Disable the constant engine"},
{ "unsafemath", DBG_UNSAFE_MATH, "Enable unsafe math shader
optimizations" },
+ { "nodccfb", DBG_NO_DCC_FB, "Disable separate DCC on the main
framebuffer" },
DEBUG_NAMED_VALUE_END /* must be last */
};
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h
b/src/gallium/drivers/radeon/r600_pipe_common.h
index 203d863..fc50b91 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.h
+++ b/src/gallium/drivers/radeon/r600_pipe_common.h
@@ -100,6 +100,7 @@
#define DBG_MONOLITHIC_SHADERS (1llu << 47)
#define DBG_NO_CE (1llu << 48)
#define DBG_UNSAFE_MATH (1llu << 49)
+#define DBG_NO_DCC_FB (1llu << 50)
#define R600_MAP_BUFFER_ALIGNMENT 64
#define R600_MAX_VIEWPORTS 16
diff --git a/src/gallium/drivers/radeon/r600_texture.c
b/src/gallium/drivers/radeon/r600_texture.c
index d7ff2f7..796cbef 100644
--- a/src/gallium/drivers/radeon/r600_texture.c
+++ b/src/gallium/drivers/radeon/r600_texture.c
@@ -2198,7 +2198,8 @@ void evergreen_do_fast_color_clear(struct
r600_common_context *rctx,
/* Fast clear is the most appropriate place to enable DCC for
* displayable surfaces.
*/
- if (rctx->chip_class >= VI) {
+ if (rctx->chip_class >= VI &&
+ !(rctx->screen->debug_flags & DBG_NO_DCC_FB)) {
vi_separate_dcc_try_enable(rctx, tex);
/* Stoney can't do a CMASK-based clear, so all clears
are
--
2.7.4
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