[Mesa-dev] [PATCH 1/7] swr/rast: Use gfxptr_t value in JitGatherVertices

Cherniak, Bruce bruce.cherniak at intel.com
Tue Jan 15 20:40:17 UTC 2019


Reviewed-by: Bruce Cherniak <bruce.cherniak at intel.com> 

> On Dec 17, 2018, at 8:36 AM, Alok Hota <alok.hota at intel.com> wrote:
> 
> Use gfxptr_t type value for stream pointer uses in gather and similar
> calls
> ---
> .../swr/rasterizer/jitter/fetch_jit.cpp       | 34 +++++++++----------
> 1 file changed, 16 insertions(+), 18 deletions(-)
> 
> diff --git a/src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp b/src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp
> index 3ad0fabe81f..d294a67050c 100644
> --- a/src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp
> +++ b/src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp
> @@ -550,9 +550,6 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE& fetchState,
> 
>         Value* stream = LOAD(streams, {ied.StreamIndex, SWR_VERTEX_BUFFER_STATE_xpData});
> 
> -        // VGATHER* takes an *i8 src pointer
> -        Value* pStreamBase = INT_TO_PTR(stream, PointerType::get(mInt8Ty, 0));
> -
>         Value* stride  = LOAD(streams, {ied.StreamIndex, SWR_VERTEX_BUFFER_STATE_pitch});
>         Value* vStride = VBROADCAST(stride);
> 
> @@ -620,7 +617,8 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE& fetchState,
> 
>         // calculate byte offset to the start of the VB
>         Value* baseOffset     = MUL(Z_EXT(startOffset, mInt64Ty), Z_EXT(stride, mInt64Ty));
> -        pStreamBase           = GEP(pStreamBase, baseOffset);
> +
> +        // VGATHER* takes an *i8 src pointer so that's what stream is
>         Value* pStreamBaseGFX = ADD(stream, baseOffset);
> 
>         // if we have a start offset, subtract from max vertex. Used for OOB check
> @@ -698,7 +696,7 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE& fetchState,
>         {
>             Value* pResults[4];
>             CreateGatherOddFormats(
> -                (SWR_FORMAT)ied.Format, vGatherMask, pStreamBase, vOffsets, pResults);
> +                (SWR_FORMAT)ied.Format, vGatherMask, pStreamBaseGFX, vOffsets, pResults);
>             ConvertFormat((SWR_FORMAT)ied.Format, pResults);
> 
>             for (uint32_t c = 0; c < 4; c += 1)
> @@ -733,7 +731,7 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE& fetchState,
>                 // if we have at least one component out of x or y to fetch
>                 if (isComponentEnabled(compMask, 0) || isComponentEnabled(compMask, 1))
>                 {
> -                    vGatherResult[0] = GATHERPS(gatherSrc, pStreamBase, vOffsets, vGatherMask);
> +                    vGatherResult[0] = GATHERPS(gatherSrc, pStreamBaseGFX, vOffsets, vGatherMask);
>                     // e.g. result of first 8x32bit integer gather for 16bit components
>                     // 256i - 0    1    2    3    4    5    6    7
>                     //        xyxy xyxy xyxy xyxy xyxy xyxy xyxy xyxy
> @@ -744,9 +742,9 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE& fetchState,
>                 if (isComponentEnabled(compMask, 2) || isComponentEnabled(compMask, 3))
>                 {
>                     // offset base to the next components(zw) in the vertex to gather
> -                    pStreamBase = GEP(pStreamBase, C((char)4));
> +                    pStreamBaseGFX = ADD(pStreamBaseGFX, C((int64_t)4));
> 
> -                    vGatherResult[1] = GATHERPS(gatherSrc, pStreamBase, vOffsets, vGatherMask);
> +                    vGatherResult[1] = GATHERPS(gatherSrc, pStreamBaseGFX, vOffsets, vGatherMask);
>                     // e.g. result of second 8x32bit integer gather for 16bit components
>                     // 256i - 0    1    2    3    4    5    6    7
>                     //        zwzw zwzw zwzw zwzw zwzw zwzw zwzw zwzw
> @@ -811,7 +809,6 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE& fetchState,
>                     }
> 
>                     // offset base to the next component in the vertex to gather
> -                    pStreamBase    = GEP(pStreamBase, C((char)4));
>                     pStreamBaseGFX = ADD(pStreamBaseGFX, C((int64_t)4));
>                 }
>             }
> @@ -854,9 +851,9 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE& fetchState,
>                                 mVWidth / 2, ConstantFP::get(IRB()->getDoubleTy(), 0.0f));
> 
>                             Value* pGatherLo =
> -                                GATHERPD(vZeroDouble, pStreamBase, vOffsetsLo, vMaskLo);
> +                                GATHERPD(vZeroDouble, pStreamBaseGFX, vOffsetsLo, vMaskLo);
>                             Value* pGatherHi =
> -                                GATHERPD(vZeroDouble, pStreamBase, vOffsetsHi, vMaskHi);
> +                                GATHERPD(vZeroDouble, pStreamBaseGFX, vOffsetsHi, vMaskHi);
> 
>                             pGatherLo = VCVTPD2PS(pGatherLo);
>                             pGatherHi = VCVTPD2PS(pGatherHi);
> @@ -880,7 +877,7 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE& fetchState,
>                     }
> 
>                     // offset base to the next component  in the vertex to gather
> -                    pStreamBase = GEP(pStreamBase, C((char)8));
> +                    pStreamBaseGFX = ADD(pStreamBaseGFX, C((int64_t)8));
>                 }
>             }
>             break;
> @@ -936,7 +933,8 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE& fetchState,
>                 // if we have at least one component to fetch
>                 if (compMask)
>                 {
> -                    Value* vGatherResult = GATHERDD(gatherSrc, pStreamBase, vOffsets, vGatherMask);
> +                    Value* vGatherResult = GATHERDD(
> +                        gatherSrc, pStreamBaseGFX, vOffsets, vGatherMask, 1, GFX_MEM_CLIENT_FETCH);
>                     // e.g. result of an 8x32bit integer gather for 8bit components
>                     // 256i - 0    1    2    3    4    5    6    7
>                     //        xyzw xyzw xyzw xyzw xyzw xyzw xyzw xyzw
> @@ -965,7 +963,7 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE& fetchState,
>                 // if we have at least one component out of x or y to fetch
>                 if (isComponentEnabled(compMask, 0) || isComponentEnabled(compMask, 1))
>                 {
> -                    vGatherResult[0] = GATHERDD(gatherSrc, pStreamBase, vOffsets, vGatherMask);
> +                    vGatherResult[0] = GATHERDD(gatherSrc, pStreamBaseGFX, vOffsets, vGatherMask);
>                     // e.g. result of first 8x32bit integer gather for 16bit components
>                     // 256i - 0    1    2    3    4    5    6    7
>                     //        xyxy xyxy xyxy xyxy xyxy xyxy xyxy xyxy
> @@ -976,9 +974,9 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE& fetchState,
>                 if (isComponentEnabled(compMask, 2) || isComponentEnabled(compMask, 3))
>                 {
>                     // offset base to the next components(zw) in the vertex to gather
> -                    pStreamBase = GEP(pStreamBase, C((char)4));
> +                    pStreamBaseGFX = ADD(pStreamBaseGFX, C((int64_t)4));
> 
> -                    vGatherResult[1] = GATHERDD(gatherSrc, pStreamBase, vOffsets, vGatherMask);
> +                    vGatherResult[1] = GATHERDD(gatherSrc, pStreamBaseGFX, vOffsets, vGatherMask);
>                     // e.g. result of second 8x32bit integer gather for 16bit components
>                     // 256i - 0    1    2    3    4    5    6    7
>                     //        zwzw zwzw zwzw zwzw zwzw zwzw zwzw zwzw
> @@ -1015,7 +1013,7 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE& fetchState,
>                         if (compCtrl[i] == StoreSrc)
>                         {
>                             Value* pGather =
> -                                GATHERDD(gatherSrc, pStreamBase, vOffsets, vGatherMask);
> +                                GATHERDD(gatherSrc, pStreamBaseGFX, vOffsets, vGatherMask);
> 
>                             if (conversionType == CONVERT_USCALED)
>                             {
> @@ -1053,7 +1051,7 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE& fetchState,
>                     }
> 
>                     // offset base to the next component  in the vertex to gather
> -                    pStreamBase = GEP(pStreamBase, C((char)4));
> +                    pStreamBaseGFX = ADD(pStreamBaseGFX, C((int64_t)4));
>                 }
>             }
>             break;
> -- 
> 2.17.1
> 
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