From: Nicolai Hähnle <nicolai.haeh...@amd.com>
1) dccCompatible for padding MSAA surface to support fast clear
2) dccPipeWorkaround for padding surface to support dcc
---
src/amd/addrlib/addrinterface.h | 6 +++++-
src/amd/addrlib/core/addrlib1.cpp | 2 ++
src/amd/addrlib/r800/ciaddrlib.cpp | 4 ++--
3 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/src/amd/addrlib/addrinterface.h b/src/amd/addrlib/addrinterface.h
index d2d6d94..14dff66 100644
--- a/src/amd/addrlib/addrinterface.h
+++ b/src/amd/addrlib/addrinterface.h
@@ -497,21 +497,25 @@ typedef union _ADDR_SURFACE_FLAGS
UINT_32 noStencil : 1; ///< Flag indicates this depth has
no separate stencil
UINT_32 display : 1; ///< Flag indicates this should
match display controller req.
UINT_32 opt4Space : 1; ///< Flag indicates this surface
should be optimized for space
/// i.e. save some memory but may
lose performance
UINT_32 prt : 1; ///< Flag for partially resident
texture
UINT_32 qbStereo : 1; ///< Quad buffer stereo surface
UINT_32 pow2Pad : 1; ///< SI: Pad to pow2, must set for
mipmap (include level0)
UINT_32 interleaved : 1; ///< Special flag for interleaved
YUV surface padding
UINT_32 tcCompatible : 1; ///< Flag indicates surface needs to
be shader readable
UINT_32 dispTileType : 1; ///< NI: force display Tiling for
128 bit shared resoruce
- UINT_32 dccCompatible : 1; ///< VI: whether to support dcc fast
clear
+ UINT_32 dccCompatible : 1; ///< VI: whether to make MSAA
surface support dcc fast clear
+ UINT_32 dccPipeWorkaround : 1; ///< VI: whether to workaround the
HW limit that
+ /// dcc can't be enabled if pipe
config of tile mode
+ /// is different from that of ASIC,
this flag
+ /// is address lib internal flag,
client should ignore it
UINT_32 czDispCompatible : 1; ///< SI+: CZ family has a HW bug
needs special alignment.
/// This flag indicates we need to
follow the
/// alignment with CZ families or
other ASICs under
/// PX configuration + CZ.
UINT_32 nonSplit : 1; ///< CI: depth texture should not be
split
UINT_32 disableLinearOpt : 1; ///< Disable tile mode optimization
to linear
UINT_32 needEquation : 1; ///< Make the surface tile setting
equation compatible.
/// This flag indicates we need to
override tile
/// mode to PRT_* tile mode to
disable slice rotation,
/// which is needed by swizzle
pattern equation.
diff --git a/src/amd/addrlib/core/addrlib1.cpp
b/src/amd/addrlib/core/addrlib1.cpp
index 809bca2..2d640cf 100644
--- a/src/amd/addrlib/core/addrlib1.cpp
+++ b/src/amd/addrlib/core/addrlib1.cpp
@@ -329,20 +329,22 @@ ADDR_E_RETURNCODE Lib::ComputeSurfaceInfo(
{
ADDR_ASSERT(!IsMacroTiled(localIn.tileMode));
}
pOut->macroModeIndex = macroModeIndex;
}
}
if (returnCode == ADDR_OK)
{
+ localIn.flags.dccPipeWorkaround = localIn.flags.dccCompatible;
+
if (localIn.tileMode == ADDR_TM_UNKNOWN)
{
// HWL layer may override tile mode if necessary
HwlSelectTileMode(&localIn);
}
else
{
// HWL layer may override tile mode if necessary
HwlOverrideTileMode(&localIn);
diff --git a/src/amd/addrlib/r800/ciaddrlib.cpp
b/src/amd/addrlib/r800/ciaddrlib.cpp
index 5ccc5da..1f7bb18 100644
--- a/src/amd/addrlib/r800/ciaddrlib.cpp
+++ b/src/amd/addrlib/r800/ciaddrlib.cpp
@@ -972,21 +972,21 @@ VOID CiLib::HwlOptimizeTileMode(
else
{
tileMode = ADDR_TM_PRT_TILED_THIN1;
}
}
}
}
if (pInOut->maxBaseAlign != 0)
{
- pInOut->flags.dccCompatible = FALSE;
+ pInOut->flags.dccPipeWorkaround = FALSE;
}
}
if (tileMode != pInOut->tileMode)
{
pInOut->tileMode = tileMode;
}
}
/**
@@ -2088,21 +2088,21 @@ VOID CiLib::HwlComputeSurfaceAlignmentsMacroTiled(
ADDR_SURFACE_FLAGS flags, ///< [in] surface
flags
UINT_32 mipLevel, ///< [in] mip level
UINT_32 numSamples, ///< [in] number of
samples
ADDR_COMPUTE_SURFACE_INFO_OUTPUT* pOut ///< [in,out]
Surface output
) const
{
// This is to workaround a H/W limitation that DCC doesn't work when pipe
config is switched to
// P4. In theory, all asics that have such switching should be patched but
we now only know what
// to pad for Fiji.
if ((m_settings.isFiji == TRUE) &&
- (flags.dccCompatible == TRUE) &&
+ (flags.dccPipeWorkaround == TRUE) &&
(flags.prt == FALSE) &&
(mipLevel == 0) &&
(tileMode == ADDR_TM_PRT_TILED_THIN1) &&
(pOut->dccUnsupport == TRUE))
{
pOut->pitchAlign = PowTwoAlign(pOut->pitchAlign, 256);
// In case the client still requests DCC usage.
pOut->dccUnsupport = FALSE;
}
}
--
2.7.4
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