From 4dd4700612adf7cb089eb667f265b7c55fd6fd7c Mon Sep 17 00:00:00 2001 From: Xavi Zhang Date: Fri, 26 Feb 2016 02:49:28 -0500 Subject: [PATCH] amdgpu/addrlib: Always returns pixelPitch in original pixels --- src/amd/addrlib/core/addrlib1.cpp | 24 ++++++++++-------------- 1 file changed, 10 insertions(+), 14 deletions(-) diff --git a/src/amd/addrlib/core/addrlib1.cpp b/src/amd/addrlib/core/addrlib1.cpp index 34e286e..d65fd02 100644 --- a/src/amd/addrlib/core/addrlib1.cpp +++ b/src/amd/addrlib/core/addrlib1.cpp @@ -381,21 +381,17 @@ ADDR_E_RETURNCODE Lib::ComputeSurfaceInfo( if (localIn.format != ADDR_FMT_INVALID) { // - // 96 bits surface of level 1+ requires element pitch of 32 bits instead - // In hwl function we skip multiplication of 3 then we should skip division of 3 - // We keep pitch that represents 32 bit element instead of 96 bits since we - // will get an odd number if divided by 3. + // Note: For 96 bit surface, the pixelPitch returned might be an odd number, but it + // is okay to program texture pitch as HW's mip calculator would multiply 3 first, + // then do the appropriate paddings (linear alignment requirement and possible the + // nearest power-of-two for mipmaps), which results in the original pitch. // - if (!((expandX == 3) && (localIn.mipLevel > 0))) - { - - GetElemLib()->RestoreSurfaceInfo(elemMode, - expandX, - expandY, - &localIn.bpp, - &pOut->pixelPitch, - &pOut->pixelHeight); - } + GetElemLib()->RestoreSurfaceInfo(elemMode, + expandX, + expandY, + &localIn.bpp, + &pOut->pixelPitch, + &pOut->pixelHeight); } if (localIn.flags.qbStereo) -- 2.7.4