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authorMarek Olšák <marek.olsak@amd.com>2016-06-27 19:44:45 +0200
committerMarek Olšák <marek.olsak@amd.com>2016-06-29 20:12:00 +0200
commit9fd4eff43c0c1d0e5cb58fafbaa39c7b08bb715a (patch)
tree6ec142d81bf77e8639db2258e70412ba8b7ae5ff
parent36cf5a57c2b53b50778482f7341b7afcdc434daf (diff)
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gallium/radeon: R600_DEBUG=nodccfb disables separate DCC
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
-rw-r--r--src/gallium/drivers/radeon/r600_pipe_common.c1
-rw-r--r--src/gallium/drivers/radeon/r600_pipe_common.h1
-rw-r--r--src/gallium/drivers/radeon/r600_texture.c3
3 files changed, 4 insertions, 1 deletions
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