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swr/rast: SIMD16 Fetch - Fully widen 16-bit float vertex components 

Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>
This commit is contained in:
Tim Rowley 2017-12-08 13:59:19 -06:00
parent df54678ba0
commit b38ac9dca1
1 changed files with 48 additions and 7 deletions
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55
src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp
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@ -1277,6 +1277,43 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE &fetchState,
case 16:
{
#if USE_SIMD16_GATHERS
#if USE_SIMD16_BUILDER
Value *gatherResult[2];
// if we have at least one component out of x or y to fetch
if (isComponentEnabled(compMask, 0) || isComponentEnabled(compMask, 1))
{
gatherResult[0] = GATHERPS_16(gatherSrc16, pStreamBase, vOffsets16, vGatherMask16);
// 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
//
}
else
{
gatherResult[0] = VUNDEF2_I();
}
// if we have at least one component out of z or w to fetch
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));
gatherResult[1] = GATHERPS_16(gatherSrc16, pStreamBase, vOffsets16, vGatherMask16);
// 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
//
}
else
{
gatherResult[1] = VUNDEF2_I();
}
#else
Value *vGatherResult[2];
Value *vGatherResult2[2];
@ -1315,10 +1352,13 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE &fetchState,
vGatherResult2[1] = VUNDEF_I();
}
#endif
// if we have at least one component to shuffle into place
if (compMask)
{
#if USE_SIMD16_BUILDER
#if USE_SIMD16_BUILDER
#else
Value *gatherResult[2];
gatherResult[0] = VUNDEF2_I();
@ -1330,6 +1370,7 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE &fetchState,
gatherResult[1] = INSERT2_I(gatherResult[1], vGatherResult[1], 0);
gatherResult[1] = INSERT2_I(gatherResult[1], vGatherResult2[1], 1);
#endif
Value *pVtxOut2 = BITCAST(pVtxOut, PointerType::get(VectorType::get(mFP32Ty, mVWidth2), 0));
Shuffle16bpcArgs args = std::forward_as_tuple(gatherResult, pVtxOut2, Instruction::CastOps::FPExt, CONVERT_NONE,
@ -1511,21 +1552,21 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE &fetchState,
// if we need to gather the component
if (compCtrl[i] == StoreSrc)
{
Value *vMaskLo = VSHUFFLE(vGatherMask, VUNDEF(mInt1Ty, 8), C({ 0, 1, 2, 3 }));
Value *vMaskLo = VSHUFFLE(vGatherMask, VUNDEF(mInt1Ty, 8), C({ 0, 1, 2, 3 }));
Value *vMaskLo2 = VSHUFFLE(vGatherMask2, VUNDEF(mInt1Ty, 8), C({ 0, 1, 2, 3 }));
Value *vMaskHi = VSHUFFLE(vGatherMask, VUNDEF(mInt1Ty, 8), C({ 4, 5, 6, 7 }));
Value *vMaskHi = VSHUFFLE(vGatherMask, VUNDEF(mInt1Ty, 8), C({ 4, 5, 6, 7 }));
Value *vMaskHi2 = VSHUFFLE(vGatherMask2, VUNDEF(mInt1Ty, 8), C({ 4, 5, 6, 7 }));
Value *vOffsetsLo = VEXTRACTI128(vOffsets, C(0));
Value *vOffsetsLo = VEXTRACTI128(vOffsets, C(0));
Value *vOffsetsLo2 = VEXTRACTI128(vOffsets2, C(0));
Value *vOffsetsHi = VEXTRACTI128(vOffsets, C(1));
Value *vOffsetsHi = VEXTRACTI128(vOffsets, C(1));
Value *vOffsetsHi2 = VEXTRACTI128(vOffsets2, C(1));
Value *vZeroDouble = VECTOR_SPLAT(4, ConstantFP::get(IRB()->getDoubleTy(), 0.0f));
Value* pGatherLo = GATHERPD(vZeroDouble, pStreamBase, vOffsetsLo, vMaskLo);
Value* pGatherLo = GATHERPD(vZeroDouble, pStreamBase, vOffsetsLo, vMaskLo);
Value* pGatherLo2 = GATHERPD(vZeroDouble, pStreamBase, vOffsetsLo2, vMaskLo2);
Value* pGatherHi = GATHERPD(vZeroDouble, pStreamBase, vOffsetsHi, vMaskHi);
Value* pGatherHi = GATHERPD(vZeroDouble, pStreamBase, vOffsetsHi, vMaskHi);
Value* pGatherHi2 = GATHERPD(vZeroDouble, pStreamBase, vOffsetsHi2, vMaskHi2);
pGatherLo = VCVTPD2PS(pGatherLo);
@ -1533,7 +1574,7 @@ void FetchJit::JitGatherVertices(const FETCH_COMPILE_STATE &fetchState,
pGatherHi = VCVTPD2PS(pGatherHi);
pGatherHi2 = VCVTPD2PS(pGatherHi2);
Value *pGather = VSHUFFLE(pGatherLo, pGatherHi, C({ 0, 1, 2, 3, 4, 5, 6, 7 }));
Value *pGather = VSHUFFLE(pGatherLo, pGatherHi, C({ 0, 1, 2, 3, 4, 5, 6, 7 }));
Value *pGather2 = VSHUFFLE(pGatherLo2, pGatherHi2, C({ 0, 1, 2, 3, 4, 5, 6, 7 }));
#if USE_SIMD16_BUILDER