swr: [rasterizer core] move binner functionality to separate file

Signed-off-by: Tim Rowley <timothy.o.rowley@intel.com>

3 files changed, 1444 insertions, 1392 deletions

diff --git a/src/gallium/drivers/swr/Makefile.sources b/src/gallium/drivers/swr/Makefile.sources
index 0ade846..d81d458 100644
--- a/src/gallium/drivers/swr/Makefile.sources
+++ b/src/gallium/drivers/swr/Makefile.sources
@@ -70,6 +70,7 @@ CORE_CXX_SOURCES := \
 	rasterizer/core/arena.h \
 	rasterizer/core/backend.cpp \
 	rasterizer/core/backend.h \
+	rasterizer/core/binner.cpp \
 	rasterizer/core/blend.h \
 	rasterizer/core/clip.cpp \
 	rasterizer/core/clip.h \
diff --git a/src/gallium/drivers/swr/rasterizer/core/binner.cpp b/src/gallium/drivers/swr/rasterizer/core/binner.cpp
new file mode 100644
index 0000000..75ddce9
--- /dev/null
+++ b/src/gallium/drivers/swr/rasterizer/core/binner.cpp
@@ -0,0 +1,1442 @@
+/****************************************************************************
+* Copyright (C) 2014-2015 Intel Corporation.   All Rights Reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a
+* copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation
+* the rights to use, copy, modify, merge, publish, distribute, sublicense,
+* and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice (including the next
+* paragraph) shall be included in all copies or substantial portions of the
+* Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+* IN THE SOFTWARE.
+*
+* @file binner.cpp
+*
+* @brief Implementation for the macrotile binner
+*
+******************************************************************************/
+
+#include "context.h"
+#include "frontend.h"
+#include "conservativeRast.h"
+#include "pa.h"
+#include "rasterizer.h"
+#include "rdtsc_core.h"
+#include "tilemgr.h"
+
+//////////////////////////////////////////////////////////////////////////
+/// @brief Offsets added to post-viewport vertex positions based on
+/// raster state.
+static const simdscalar g_pixelOffsets[SWR_PIXEL_LOCATION_UL + 1] =
+{
+    _simd_set1_ps(0.0f), // SWR_PIXEL_LOCATION_CENTER
+    _simd_set1_ps(0.5f), // SWR_PIXEL_LOCATION_UL
+};
+
+//////////////////////////////////////////////////////////////////////////
+/// @brief Convert the X,Y coords of a triangle to the requested Fixed 
+/// Point precision from FP32.
+template <typename PT = FixedPointTraits<Fixed_16_8>>
+INLINE simdscalari fpToFixedPointVertical(const simdscalar vIn)
+{
+    simdscalar vFixed = _simd_mul_ps(vIn, _simd_set1_ps(PT::ScaleT::value));
+    return _simd_cvtps_epi32(vFixed);
+}
+
+//////////////////////////////////////////////////////////////////////////
+/// @brief Helper function to set the X,Y coords of a triangle to the 
+/// requested Fixed Point precision from FP32.
+/// @param tri: simdvector[3] of FP triangle verts
+/// @param vXi: fixed point X coords of tri verts
+/// @param vYi: fixed point Y coords of tri verts
+INLINE static void FPToFixedPoint(const simdvector * const tri, simdscalari(&vXi)[3], simdscalari(&vYi)[3])
+{
+    vXi[0] = fpToFixedPointVertical(tri[0].x);
+    vYi[0] = fpToFixedPointVertical(tri[0].y);
+    vXi[1] = fpToFixedPointVertical(tri[1].x);
+    vYi[1] = fpToFixedPointVertical(tri[1].y);
+    vXi[2] = fpToFixedPointVertical(tri[2].x);
+    vYi[2] = fpToFixedPointVertical(tri[2].y);
+}
+
+//////////////////////////////////////////////////////////////////////////
+/// @brief Calculate bounding box for current triangle
+/// @tparam CT: ConservativeRastFETraits type
+/// @param vX: fixed point X position for triangle verts
+/// @param vY: fixed point Y position for triangle verts
+/// @param bbox: fixed point bbox
+/// *Note*: expects vX, vY to be in the correct precision for the type 
+/// of rasterization. This avoids unnecessary FP->fixed conversions.
+template <typename CT>
+INLINE void calcBoundingBoxIntVertical(const simdvector * const tri, simdscalari(&vX)[3], simdscalari(&vY)[3], simdBBox &bbox)
+{
+    simdscalari vMinX = vX[0];
+    vMinX = _simd_min_epi32(vMinX, vX[1]);
+    vMinX = _simd_min_epi32(vMinX, vX[2]);
+
+    simdscalari vMaxX = vX[0];
+    vMaxX = _simd_max_epi32(vMaxX, vX[1]);
+    vMaxX = _simd_max_epi32(vMaxX, vX[2]);
+
+    simdscalari vMinY = vY[0];
+    vMinY = _simd_min_epi32(vMinY, vY[1]);
+    vMinY = _simd_min_epi32(vMinY, vY[2]);
+
+    simdscalari vMaxY = vY[0];
+    vMaxY = _simd_max_epi32(vMaxY, vY[1]);
+    vMaxY = _simd_max_epi32(vMaxY, vY[2]);
+
+    bbox.xmin = vMinX;
+    bbox.xmax = vMaxX;
+    bbox.ymin = vMinY;
+    bbox.ymax = vMaxY;
+}
+
+//////////////////////////////////////////////////////////////////////////
+/// @brief FEConservativeRastT specialization of calcBoundingBoxIntVertical
+/// Offsets BBox for conservative rast
+template <>
+INLINE void calcBoundingBoxIntVertical<FEConservativeRastT>(const simdvector * const tri, simdscalari(&vX)[3], simdscalari(&vY)[3], simdBBox &bbox)
+{
+    // FE conservative rast traits
+    typedef FEConservativeRastT CT;
+
+    simdscalari vMinX = vX[0];
+    vMinX = _simd_min_epi32(vMinX, vX[1]);
+    vMinX = _simd_min_epi32(vMinX, vX[2]);
+
+    simdscalari vMaxX = vX[0];
+    vMaxX = _simd_max_epi32(vMaxX, vX[1]);
+    vMaxX = _simd_max_epi32(vMaxX, vX[2]);
+
+    simdscalari vMinY = vY[0];
+    vMinY = _simd_min_epi32(vMinY, vY[1]);
+    vMinY = _simd_min_epi32(vMinY, vY[2]);
+
+    simdscalari vMaxY = vY[0];
+    vMaxY = _simd_max_epi32(vMaxY, vY[1]);
+    vMaxY = _simd_max_epi32(vMaxY, vY[2]);
+
+    /// Bounding box needs to be expanded by 1/512 before snapping to 16.8 for conservative rasterization
+    /// expand bbox by 1/256; coverage will be correctly handled in the rasterizer.
+    bbox.xmin = _simd_sub_epi32(vMinX, _simd_set1_epi32(CT::BoundingBoxOffsetT::value));
+    bbox.xmax = _simd_add_epi32(vMaxX, _simd_set1_epi32(CT::BoundingBoxOffsetT::value));
+    bbox.ymin = _simd_sub_epi32(vMinY, _simd_set1_epi32(CT::BoundingBoxOffsetT::value));
+    bbox.ymax = _simd_add_epi32(vMaxY, _simd_set1_epi32(CT::BoundingBoxOffsetT::value));
+}
+
+//////////////////////////////////////////////////////////////////////////
+/// @brief Processes attributes for the backend based on linkage mask and
+///        linkage map.  Essentially just doing an SOA->AOS conversion and pack.
+/// @param pDC - Draw context
+/// @param pa - Primitive Assembly state
+/// @param linkageMask - Specifies which VS outputs are routed to PS.
+/// @param pLinkageMap - maps VS attribute slot to PS slot
+/// @param triIndex - Triangle to process attributes for
+/// @param pBuffer - Output result
+template<typename NumVertsT, typename IsSwizzledT, typename HasConstantInterpT, typename IsDegenerate>
+INLINE void ProcessAttributes(
+    DRAW_CONTEXT *pDC,
+    PA_STATE&pa,
+    uint32_t triIndex,
+    uint32_t primId,
+    float *pBuffer)
+{
+    static_assert(NumVertsT::value > 0 && NumVertsT::value <= 3, "Invalid value for NumVertsT");
+    const SWR_BACKEND_STATE& backendState = pDC->pState->state.backendState;
+    // Conservative Rasterization requires degenerate tris to have constant attribute interpolation
+    LONG constantInterpMask = IsDegenerate::value ? 0xFFFFFFFF : backendState.constantInterpolationMask;
+    const uint32_t provokingVertex = pDC->pState->state.frontendState.topologyProvokingVertex;
+    const PRIMITIVE_TOPOLOGY topo = pDC->pState->state.topology;
+
+    static const float constTable[3][4] = {
+        { 0.0f, 0.0f, 0.0f, 0.0f },
+        { 0.0f, 0.0f, 0.0f, 1.0f },
+        { 1.0f, 1.0f, 1.0f, 1.0f }
+    };
+
+    for (uint32_t i = 0; i < backendState.numAttributes; ++i)
+    {
+        uint32_t inputSlot;
+        if (IsSwizzledT::value)
+        {
+            SWR_ATTRIB_SWIZZLE attribSwizzle = backendState.swizzleMap[i];
+            inputSlot = VERTEX_ATTRIB_START_SLOT + attribSwizzle.sourceAttrib;
+
+        }
+        else
+        {
+            inputSlot = VERTEX_ATTRIB_START_SLOT + i;
+        }
+
+        __m128 attrib[3];    // triangle attribs (always 4 wide)
+        float* pAttribStart = pBuffer;
+
+        if (HasConstantInterpT::value || IsDegenerate::value)
+        {
+            if (_bittest(&constantInterpMask, i))
+            {
+                uint32_t vid;
+                uint32_t adjustedTriIndex;
+                static const uint32_t tristripProvokingVertex[] = { 0, 2, 1 };
+                static const int32_t quadProvokingTri[2][4] = { { 0, 0, 0, 1 },{ 0, -1, 0, 0 } };
+                static const uint32_t quadProvokingVertex[2][4] = { { 0, 1, 2, 2 },{ 0, 1, 1, 2 } };
+                static const int32_t qstripProvokingTri[2][4] = { { 0, 0, 0, 1 },{ -1, 0, 0, 0 } };
+                static const uint32_t qstripProvokingVertex[2][4] = { { 0, 1, 2, 1 },{ 0, 0, 2, 1 } };
+
+                switch (topo) {
+                case TOP_QUAD_LIST:
+                    adjustedTriIndex = triIndex + quadProvokingTri[triIndex & 1][provokingVertex];
+                    vid = quadProvokingVertex[triIndex & 1][provokingVertex];
+                    break;
+                case TOP_QUAD_STRIP:
+                    adjustedTriIndex = triIndex + qstripProvokingTri[triIndex & 1][provokingVertex];
+                    vid = qstripProvokingVertex[triIndex & 1][provokingVertex];
+                    break;
+                case TOP_TRIANGLE_STRIP:
+                    adjustedTriIndex = triIndex;
+                    vid = (triIndex & 1)
+                        ? tristripProvokingVertex[provokingVertex]
+                        : provokingVertex;
+                    break;
+                default:
+                    adjustedTriIndex = triIndex;
+                    vid = provokingVertex;
+                    break;
+                }
+
+                pa.AssembleSingle(inputSlot, adjustedTriIndex, attrib);
+
+                for (uint32_t i = 0; i < NumVertsT::value; ++i)
+                {
+                    _mm_store_ps(pBuffer, attrib[vid]);
+                    pBuffer += 4;
+                }
+            }
+            else
+            {
+                pa.AssembleSingle(inputSlot, triIndex, attrib);
+
+                for (uint32_t i = 0; i < NumVertsT::value; ++i)
+                {
+                    _mm_store_ps(pBuffer, attrib[i]);
+                    pBuffer += 4;
+                }
+            }
+        }
+        else
+        {
+            pa.AssembleSingle(inputSlot, triIndex, attrib);
+
+            for (uint32_t i = 0; i < NumVertsT::value; ++i)
+            {
+                _mm_store_ps(pBuffer, attrib[i]);
+                pBuffer += 4;
+            }
+        }
+
+        // pad out the attrib buffer to 3 verts to ensure the triangle
+        // interpolation code in the pixel shader works correctly for the
+        // 3 topologies - point, line, tri.  This effectively zeros out the
+        // effect of the missing vertices in the triangle interpolation.
+        for (uint32_t v = NumVertsT::value; v < 3; ++v)
+        {
+            _mm_store_ps(pBuffer, attrib[NumVertsT::value - 1]);
+            pBuffer += 4;
+        }
+
+        // check for constant source overrides
+        if (IsSwizzledT::value)
+        {
+            uint32_t mask = backendState.swizzleMap[i].componentOverrideMask;
+            if (mask)
+            {
+                DWORD comp;
+                while (_BitScanForward(&comp, mask))
+                {
+                    mask &= ~(1 << comp);
+
+                    float constantValue = 0.0f;
+                    switch ((SWR_CONSTANT_SOURCE)backendState.swizzleMap[i].constantSource)
+                    {
+                    case SWR_CONSTANT_SOURCE_CONST_0000:
+                    case SWR_CONSTANT_SOURCE_CONST_0001_FLOAT:
+                    case SWR_CONSTANT_SOURCE_CONST_1111_FLOAT:
+                        constantValue = constTable[backendState.swizzleMap[i].constantSource][comp];
+                        break;
+                    case SWR_CONSTANT_SOURCE_PRIM_ID:
+                        constantValue = *(float*)&primId;
+                        break;
+                    }
+
+                    // apply constant value to all 3 vertices
+                    for (uint32_t v = 0; v < 3; ++v)
+                    {
+                        pAttribStart[comp + v * 4] = constantValue;
+                    }
+                }
+            }
+        }
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////
+/// @brief  Gather scissor rect data based on per-prim viewport indices.
+/// @param pScissorsInFixedPoint - array of scissor rects in 16.8 fixed point.
+/// @param pViewportIndex - array of per-primitive vewport indexes.
+/// @param scisXmin - output vector of per-prmitive scissor rect Xmin data.
+/// @param scisYmin - output vector of per-prmitive scissor rect Ymin data.
+/// @param scisXmax - output vector of per-prmitive scissor rect Xmax data.
+/// @param scisYmax - output vector of per-prmitive scissor rect Ymax data.
+//
+/// @todo:  Look at speeding this up -- weigh against corresponding costs in rasterizer.
+template<size_t SimdWidth>
+struct GatherScissors
+{
+    static void Gather(const SWR_RECT* pScissorsInFixedPoint, const uint32_t* pViewportIndex,
+        simdscalari &scisXmin, simdscalari &scisYmin,
+        simdscalari &scisXmax, simdscalari &scisYmax)
+    {
+        SWR_ASSERT(0, "Unhandled Simd Width in Scissor Rect Gather");
+    }
+};
+
+template<>
+struct GatherScissors<8>
+{
+    static void Gather(const SWR_RECT* pScissorsInFixedPoint, const uint32_t* pViewportIndex,
+        simdscalari &scisXmin, simdscalari &scisYmin,
+        simdscalari &scisXmax, simdscalari &scisYmax)
+    {
+        scisXmin = _simd_set_epi32(pScissorsInFixedPoint[pViewportIndex[0]].xmin,
+            pScissorsInFixedPoint[pViewportIndex[1]].xmin,
+            pScissorsInFixedPoint[pViewportIndex[2]].xmin,
+            pScissorsInFixedPoint[pViewportIndex[3]].xmin,
+            pScissorsInFixedPoint[pViewportIndex[4]].xmin,
+            pScissorsInFixedPoint[pViewportIndex[5]].xmin,
+            pScissorsInFixedPoint[pViewportIndex[6]].xmin,
+            pScissorsInFixedPoint[pViewportIndex[7]].xmin);
+        scisYmin = _simd_set_epi32(pScissorsInFixedPoint[pViewportIndex[0]].ymin,
+            pScissorsInFixedPoint[pViewportIndex[1]].ymin,
+            pScissorsInFixedPoint[pViewportIndex[2]].ymin,
+            pScissorsInFixedPoint[pViewportIndex[3]].ymin,
+            pScissorsInFixedPoint[pViewportIndex[4]].ymin,
+            pScissorsInFixedPoint[pViewportIndex[5]].ymin,
+            pScissorsInFixedPoint[pViewportIndex[6]].ymin,
+            pScissorsInFixedPoint[pViewportIndex[7]].ymin);
+        scisXmax = _simd_set_epi32(pScissorsInFixedPoint[pViewportIndex[0]].xmax,
+            pScissorsInFixedPoint[pViewportIndex[1]].xmax,
+            pScissorsInFixedPoint[pViewportIndex[2]].xmax,
+            pScissorsInFixedPoint[pViewportIndex[3]].xmax,
+            pScissorsInFixedPoint[pViewportIndex[4]].xmax,
+            pScissorsInFixedPoint[pViewportIndex[5]].xmax,
+            pScissorsInFixedPoint[pViewportIndex[6]].xmax,
+            pScissorsInFixedPoint[pViewportIndex[7]].xmax);
+        scisYmax = _simd_set_epi32(pScissorsInFixedPoint[pViewportIndex[0]].ymax,
+            pScissorsInFixedPoint[pViewportIndex[1]].ymax,
+            pScissorsInFixedPoint[pViewportIndex[2]].ymax,
+            pScissorsInFixedPoint[pViewportIndex[3]].ymax,
+            pScissorsInFixedPoint[pViewportIndex[4]].ymax,
+            pScissorsInFixedPoint[pViewportIndex[5]].ymax,
+            pScissorsInFixedPoint[pViewportIndex[6]].ymax,
+            pScissorsInFixedPoint[pViewportIndex[7]].ymax);
+    }
+};
+
+typedef void(*PFN_PROCESS_ATTRIBUTES)(DRAW_CONTEXT*, PA_STATE&, uint32_t, uint32_t, float*);
+
+struct ProcessAttributesChooser
+{
+    typedef PFN_PROCESS_ATTRIBUTES FuncType;
+
+    template <typename... ArgsB>
+    static FuncType GetFunc()
+    {
+        return ProcessAttributes<ArgsB...>;
+    }
+};
+
+PFN_PROCESS_ATTRIBUTES GetProcessAttributesFunc(uint32_t NumVerts, bool IsSwizzled, bool HasConstantInterp, bool IsDegenerate = false)
+{
+    return TemplateArgUnroller<ProcessAttributesChooser>::GetFunc(IntArg<1, 3>{NumVerts}, IsSwizzled, HasConstantInterp, IsDegenerate);
+}
+
+//////////////////////////////////////////////////////////////////////////
+/// @brief Processes enabled user clip distances. Loads the active clip
+///        distances from the PA, sets up barycentric equations, and
+///        stores the results to the output buffer
+/// @param pa - Primitive Assembly state
+/// @param primIndex - primitive index to process
+/// @param clipDistMask - mask of enabled clip distances
+/// @param pUserClipBuffer - buffer to store results
+template<uint32_t NumVerts>
+void ProcessUserClipDist(PA_STATE& pa, uint32_t primIndex, uint8_t clipDistMask, float* pUserClipBuffer)
+{
+    DWORD clipDist;
+    while (_BitScanForward(&clipDist, clipDistMask))
+    {
+        clipDistMask &= ~(1 << clipDist);
+        uint32_t clipSlot = clipDist >> 2;
+        uint32_t clipComp = clipDist & 0x3;
+        uint32_t clipAttribSlot = clipSlot == 0 ?
+            VERTEX_CLIPCULL_DIST_LO_SLOT : VERTEX_CLIPCULL_DIST_HI_SLOT;
+
+        __m128 primClipDist[3];
+        pa.AssembleSingle(clipAttribSlot, primIndex, primClipDist);
+
+        float vertClipDist[NumVerts];
+        for (uint32_t e = 0; e < NumVerts; ++e)
+        {
+            OSALIGNSIMD(float) aVertClipDist[4];
+            _mm_store_ps(aVertClipDist, primClipDist[e]);
+            vertClipDist[e] = aVertClipDist[clipComp];
+        };
+
+        // setup plane equations for barycentric interpolation in the backend
+        float baryCoeff[NumVerts];
+        for (uint32_t e = 0; e < NumVerts - 1; ++e)
+        {
+            baryCoeff[e] = vertClipDist[e] - vertClipDist[NumVerts - 1];
+        }
+        baryCoeff[NumVerts - 1] = vertClipDist[NumVerts - 1];
+
+        for (uint32_t e = 0; e < NumVerts; ++e)
+        {
+            *(pUserClipBuffer++) = baryCoeff[e];
+        }
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////
+/// @brief Bin triangle primitives to macro tiles. Performs setup, clipping
+///        culling, viewport transform, etc.
+/// @param pDC - pointer to draw context.
+/// @param pa - The primitive assembly object.
+/// @param workerId - thread's worker id. Even thread has a unique id.
+/// @param tri - Contains triangle position data for SIMDs worth of triangles.
+/// @param primID - Primitive ID for each triangle.
+/// @param viewportIdx - viewport array index for each triangle.
+/// @tparam CT - ConservativeRastFETraits
+template <typename CT>
+void BinTriangles(
+    DRAW_CONTEXT *pDC,
+    PA_STATE& pa,
+    uint32_t workerId,
+    simdvector tri[3],
+    uint32_t triMask,
+    simdscalari primID,
+    simdscalari viewportIdx)
+{
+    SWR_CONTEXT *pContext = pDC->pContext;
+
+    AR_BEGIN(FEBinTriangles, pDC->drawId);
+
+    const API_STATE& state = GetApiState(pDC);
+    const SWR_RASTSTATE& rastState = state.rastState;
+    const SWR_FRONTEND_STATE& feState = state.frontendState;
+    const SWR_GS_STATE& gsState = state.gsState;
+    MacroTileMgr *pTileMgr = pDC->pTileMgr;
+
+    // Simple non-conformant wireframe mode, useful for debugging
+    if (rastState.fillMode == SWR_FILLMODE_WIREFRAME)
+    {
+        // construct 3 SIMD lines out of the triangle and call the line binner for each SIMD
+        simdvector line[2];
+        line[0] = tri[0];
+        line[1] = tri[1];
+        BinLines(pDC, pa, workerId, line, triMask, primID, viewportIdx);
+
+        line[0] = tri[1];
+        line[1] = tri[2];
+        BinLines(pDC, pa, workerId, line, triMask, primID, viewportIdx);
+
+        line[0] = tri[2];
+        line[1] = tri[0];
+        BinLines(pDC, pa, workerId, line, triMask, primID, viewportIdx);
+
+        AR_END(FEBinTriangles, 1);
+        return;
+    }
+
+    simdscalar vRecipW0 = _simd_set1_ps(1.0f);
+    simdscalar vRecipW1 = _simd_set1_ps(1.0f);
+    simdscalar vRecipW2 = _simd_set1_ps(1.0f);
+
+    if (feState.vpTransformDisable)
+    {
+        // RHW is passed in directly when VP transform is disabled
+        vRecipW0 = tri[0].v[3];
+        vRecipW1 = tri[1].v[3];
+        vRecipW2 = tri[2].v[3];
+    }
+    else
+    {
+        // Perspective divide
+        vRecipW0 = _simd_div_ps(_simd_set1_ps(1.0f), tri[0].w);
+        vRecipW1 = _simd_div_ps(_simd_set1_ps(1.0f), tri[1].w);
+        vRecipW2 = _simd_div_ps(_simd_set1_ps(1.0f), tri[2].w);
+
+        tri[0].v[0] = _simd_mul_ps(tri[0].v[0], vRecipW0);
+        tri[1].v[0] = _simd_mul_ps(tri[1].v[0], vRecipW1);
+        tri[2].v[0] = _simd_mul_ps(tri[2].v[0], vRecipW2);
+
+        tri[0].v[1] = _simd_mul_ps(tri[0].v[1], vRecipW0);
+        tri[1].v[1] = _simd_mul_ps(tri[1].v[1], vRecipW1);
+        tri[2].v[1] = _simd_mul_ps(tri[2].v[1], vRecipW2);
+
+        tri[0].v[2] = _simd_mul_ps(tri[0].v[2], vRecipW0);
+        tri[1].v[2] = _simd_mul_ps(tri[1].v[2], vRecipW1);
+        tri[2].v[2] = _simd_mul_ps(tri[2].v[2], vRecipW2);
+
+        // Viewport transform to screen space coords
+        if (state.gsState.emitsViewportArrayIndex)
+        {
+            viewportTransform<3>(tri, state.vpMatrices, viewportIdx);
+        }
+        else
+        {
+            viewportTransform<3>(tri, state.vpMatrices);
+        }
+    }
+
+    // Adjust for pixel center location
+    simdscalar offset = g_pixelOffsets[rastState.pixelLocation];
+    tri[0].x = _simd_add_ps(tri[0].x, offset);
+    tri[0].y = _simd_add_ps(tri[0].y, offset);
+
+    tri[1].x = _simd_add_ps(tri[1].x, offset);
+    tri[1].y = _simd_add_ps(tri[1].y, offset);
+
+    tri[2].x = _simd_add_ps(tri[2].x, offset);
+    tri[2].y = _simd_add_ps(tri[2].y, offset);
+
+    simdscalari vXi[3], vYi[3];
+    // Set vXi, vYi to required fixed point precision
+    FPToFixedPoint(tri, vXi, vYi);
+
+    // triangle setup
+    simdscalari vAi[3], vBi[3];
+    triangleSetupABIntVertical(vXi, vYi, vAi, vBi);
+
+    // determinant
+    simdscalari vDet[2];
+    calcDeterminantIntVertical(vAi, vBi, vDet);
+
+    // cull zero area
+    int maskLo = _simd_movemask_pd(_simd_castsi_pd(_simd_cmpeq_epi64(vDet[0], _simd_setzero_si())));
+    int maskHi = _simd_movemask_pd(_simd_castsi_pd(_simd_cmpeq_epi64(vDet[1], _simd_setzero_si())));
+
+    int cullZeroAreaMask = maskLo | (maskHi << (KNOB_SIMD_WIDTH / 2));
+
+    uint32_t origTriMask = triMask;
+    // don't cull degenerate triangles if we're conservatively rasterizing
+    if (!CT::IsConservativeT::value)
+    {
+        triMask &= ~cullZeroAreaMask;
+    }
+
+    // determine front winding tris
+    // CW  +det
+    // CCW det <= 0; 0 area triangles are marked as backfacing, which is required behavior for conservative rast
+    maskLo = _simd_movemask_pd(_simd_castsi_pd(_simd_cmpgt_epi64(vDet[0], _simd_setzero_si())));
+    maskHi = _simd_movemask_pd(_simd_castsi_pd(_simd_cmpgt_epi64(vDet[1], _simd_setzero_si())));
+    int cwTriMask = maskLo | (maskHi << (KNOB_SIMD_WIDTH / 2));
+
+    uint32_t frontWindingTris;
+    if (rastState.frontWinding == SWR_FRONTWINDING_CW)
+    {
+        frontWindingTris = cwTriMask;
+    }
+    else
+    {
+        frontWindingTris = ~cwTriMask;
+    }
+
+    // cull
+    uint32_t cullTris;
+    switch ((SWR_CULLMODE)rastState.cullMode)
+    {
+    case SWR_CULLMODE_BOTH:  cullTris = 0xffffffff; break;
+    case SWR_CULLMODE_NONE:  cullTris = 0x0; break;
+    case SWR_CULLMODE_FRONT: cullTris = frontWindingTris; break;
+        // 0 area triangles are marked as backfacing, which is required behavior for conservative rast
+    case SWR_CULLMODE_BACK:  cullTris = ~frontWindingTris; break;
+    default: SWR_ASSERT(false, "Invalid cull mode: %d", rastState.cullMode); cullTris = 0x0; break;
+    }
+
+    triMask &= ~cullTris;
+
+    if (origTriMask ^ triMask)
+    {
+        RDTSC_EVENT(FECullZeroAreaAndBackface, _mm_popcnt_u32(origTriMask ^ triMask), 0);
+    }
+
+    /// Note: these variable initializations must stay above any 'goto endBenTriangles'
+    // compute per tri backface
+    uint32_t frontFaceMask = frontWindingTris;
+    uint32_t *pPrimID = (uint32_t *)&primID;
+    const uint32_t *pViewportIndex = (uint32_t *)&viewportIdx;
+    DWORD triIndex = 0;
+    // for center sample pattern, all samples are at pixel center; calculate coverage
+    // once at center and broadcast the results in the backend
+    const SWR_MULTISAMPLE_COUNT sampleCount = (rastState.samplePattern == SWR_MSAA_STANDARD_PATTERN) ? rastState.sampleCount : SWR_MULTISAMPLE_1X;
+    uint32_t edgeEnable;
+    PFN_WORK_FUNC pfnWork;
+    if (CT::IsConservativeT::value)
+    {
+        // determine which edges of the degenerate tri, if any, are valid to rasterize.
+        // used to call the appropriate templated rasterizer function
+        if (cullZeroAreaMask > 0)
+        {
+            // e0 = v1-v0
+            simdscalari x0x1Mask = _simd_cmpeq_epi32(vXi[0], vXi[1]);
+            simdscalari y0y1Mask = _simd_cmpeq_epi32(vYi[0], vYi[1]);
+            uint32_t e0Mask = _simd_movemask_ps(_simd_castsi_ps(_simd_and_si(x0x1Mask, y0y1Mask)));
+
+            // e1 = v2-v1
+            simdscalari x1x2Mask = _simd_cmpeq_epi32(vXi[1], vXi[2]);
+            simdscalari y1y2Mask = _simd_cmpeq_epi32(vYi[1], vYi[2]);
+            uint32_t e1Mask = _simd_movemask_ps(_simd_castsi_ps(_simd_and_si(x1x2Mask, y1y2Mask)));
+
+            // e2 = v0-v2
+            // if v0 == v1 & v1 == v2, v0 == v2
+            uint32_t e2Mask = e0Mask & e1Mask;
+            SWR_ASSERT(KNOB_SIMD_WIDTH == 8, "Need to update degenerate mask code for avx512");
+
+            // edge order: e0 = v0v1, e1 = v1v2, e2 = v0v2
+            // 32 bit binary: 0000 0000 0010 0100 1001 0010 0100 1001
+            e0Mask = pdep_u32(e0Mask, 0x00249249);
+            // 32 bit binary: 0000 0000 0100 1001 0010 0100 1001 0010
+            e1Mask = pdep_u32(e1Mask, 0x00492492);
+            // 32 bit binary: 0000 0000 1001 0010 0100 1001 0010 0100
+            e2Mask = pdep_u32(e2Mask, 0x00924924);
+
+            edgeEnable = (0x00FFFFFF & (~(e0Mask | e1Mask | e2Mask)));
+        }
+        else
+        {
+            edgeEnable = 0x00FFFFFF;
+        }
+    }
+    else
+    {
+        // degenerate triangles won't be sent to rasterizer; just enable all edges
+        pfnWork = GetRasterizerFunc(sampleCount, (rastState.conservativeRast > 0),
+            (SWR_INPUT_COVERAGE)pDC->pState->state.psState.inputCoverage, ALL_EDGES_VALID,
+            (state.scissorsTileAligned == false));
+    }
+
+    if (!triMask)
+    {
+        goto endBinTriangles;
+    }
+
+    // Calc bounding box of triangles
+    simdBBox bbox;
+    calcBoundingBoxIntVertical<CT>(tri, vXi, vYi, bbox);
+
+    // determine if triangle falls between pixel centers and discard
+    // only discard for non-MSAA case and when conservative rast is disabled
+    // (xmin + 127) & ~255
+    // (xmax + 128) & ~255
+    if (rastState.sampleCount == SWR_MULTISAMPLE_1X && (!CT::IsConservativeT::value))
+    {
+        origTriMask = triMask;
+
+        int cullCenterMask;
+        {
+            simdscalari xmin = _simd_add_epi32(bbox.xmin, _simd_set1_epi32(127));
+            xmin = _simd_and_si(xmin, _simd_set1_epi32(~255));
+            simdscalari xmax = _simd_add_epi32(bbox.xmax, _simd_set1_epi32(128));
+            xmax = _simd_and_si(xmax, _simd_set1_epi32(~255));
+
+            simdscalari vMaskH = _simd_cmpeq_epi32(xmin, xmax);
+
+            simdscalari ymin = _simd_add_epi32(bbox.ymin, _simd_set1_epi32(127));
+            ymin = _simd_and_si(ymin, _simd_set1_epi32(~255));
+            simdscalari ymax = _simd_add_epi32(bbox.ymax, _simd_set1_epi32(128));
+            ymax = _simd_and_si(ymax, _simd_set1_epi32(~255));
+
+            simdscalari vMaskV = _simd_cmpeq_epi32(ymin, ymax);
+            vMaskV = _simd_or_si(vMaskH, vMaskV);
+            cullCenterMask = _simd_movemask_ps(_simd_castsi_ps(vMaskV));
+        }
+
+        triMask &= ~cullCenterMask;
+
+        if (origTriMask ^ triMask)
+        {
+            RDTSC_EVENT(FECullBetweenCenters, _mm_popcnt_u32(origTriMask ^ triMask), 0);
+        }
+    }
+
+    // Intersect with scissor/viewport. Subtract 1 ULP in x.8 fixed point since xmax/ymax edge is exclusive.
+    // Gather the AOS effective scissor rects based on the per-prim VP index.
+    /// @todo:  Look at speeding this up -- weigh against corresponding costs in rasterizer.
+    simdscalari scisXmin, scisYmin, scisXmax, scisYmax;
+    if (state.gsState.emitsViewportArrayIndex)
+    {
+        GatherScissors<KNOB_SIMD_WIDTH>::Gather(&state.scissorsInFixedPoint[0], pViewportIndex,
+            scisXmin, scisYmin, scisXmax, scisYmax);
+    }
+    else // broadcast fast path for non-VPAI case.
+    {
+        scisXmin = _simd_set1_epi32(state.scissorsInFixedPoint[0].xmin);
+        scisYmin = _simd_set1_epi32(state.scissorsInFixedPoint[0].ymin);
+        scisXmax = _simd_set1_epi32(state.scissorsInFixedPoint[0].xmax);
+        scisYmax = _simd_set1_epi32(state.scissorsInFixedPoint[0].ymax);
+    }
+
+    bbox.xmin = _simd_max_epi32(bbox.xmin, scisXmin);
+    bbox.ymin = _simd_max_epi32(bbox.ymin, scisYmin);
+    bbox.xmax = _simd_min_epi32(_simd_sub_epi32(bbox.xmax, _simd_set1_epi32(1)), scisXmax);
+    bbox.ymax = _simd_min_epi32(_simd_sub_epi32(bbox.ymax, _simd_set1_epi32(1)), scisYmax);
+
+    if (CT::IsConservativeT::value)
+    {
+        // in the case where a degenerate triangle is on a scissor edge, we need to make sure the primitive bbox has
+        // some area. Bump the xmax/ymax edges out 
+        simdscalari topEqualsBottom = _simd_cmpeq_epi32(bbox.ymin, bbox.ymax);
+        bbox.ymax = _simd_blendv_epi32(bbox.ymax, _simd_add_epi32(bbox.ymax, _simd_set1_epi32(1)), topEqualsBottom);
+        simdscalari leftEqualsRight = _simd_cmpeq_epi32(bbox.xmin, bbox.xmax);
+        bbox.xmax = _simd_blendv_epi32(bbox.xmax, _simd_add_epi32(bbox.xmax, _simd_set1_epi32(1)), leftEqualsRight);
+    }
+
+    // Cull tris completely outside scissor
+    {
+        simdscalari maskOutsideScissorX = _simd_cmpgt_epi32(bbox.xmin, bbox.xmax);
+        simdscalari maskOutsideScissorY = _simd_cmpgt_epi32(bbox.ymin, bbox.ymax);
+        simdscalari maskOutsideScissorXY = _simd_or_si(maskOutsideScissorX, maskOutsideScissorY);
+        uint32_t maskOutsideScissor = _simd_movemask_ps(_simd_castsi_ps(maskOutsideScissorXY));
+        triMask = triMask & ~maskOutsideScissor;
+    }
+
+    if (!triMask)
+    {
+        goto endBinTriangles;
+    }
+
+    // Convert triangle bbox to macrotile units.
+    bbox.xmin = _simd_srai_epi32(bbox.xmin, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
+    bbox.ymin = _simd_srai_epi32(bbox.ymin, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
+    bbox.xmax = _simd_srai_epi32(bbox.xmax, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
+    bbox.ymax = _simd_srai_epi32(bbox.ymax, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
+
+    OSALIGNSIMD(uint32_t) aMTLeft[KNOB_SIMD_WIDTH], aMTRight[KNOB_SIMD_WIDTH], aMTTop[KNOB_SIMD_WIDTH], aMTBottom[KNOB_SIMD_WIDTH];
+    _simd_store_si((simdscalari*)aMTLeft, bbox.xmin);
+    _simd_store_si((simdscalari*)aMTRight, bbox.xmax);
+    _simd_store_si((simdscalari*)aMTTop, bbox.ymin);
+    _simd_store_si((simdscalari*)aMTBottom, bbox.ymax);
+
+    // transpose verts needed for backend
+    /// @todo modify BE to take non-transformed verts
+    __m128 vHorizX[8], vHorizY[8], vHorizZ[8], vHorizW[8];
+    vTranspose3x8(vHorizX, tri[0].x, tri[1].x, tri[2].x);
+    vTranspose3x8(vHorizY, tri[0].y, tri[1].y, tri[2].y);
+    vTranspose3x8(vHorizZ, tri[0].z, tri[1].z, tri[2].z);
+    vTranspose3x8(vHorizW, vRecipW0, vRecipW1, vRecipW2);
+
+    // store render target array index
+    OSALIGNSIMD(uint32_t) aRTAI[KNOB_SIMD_WIDTH];
+    if (gsState.gsEnable && gsState.emitsRenderTargetArrayIndex)
+    {
+        simdvector vRtai[3];
+        pa.Assemble(VERTEX_RTAI_SLOT, vRtai);
+        simdscalari vRtaii;
+        vRtaii = _simd_castps_si(vRtai[0].x);
+        _simd_store_si((simdscalari*)aRTAI, vRtaii);
+    }
+    else
+    {
+        _simd_store_si((simdscalari*)aRTAI, _simd_setzero_si());
+    }
+
+    // scan remaining valid triangles and bin each separately
+    while (_BitScanForward(&triIndex, triMask))
+    {
+        uint32_t linkageCount = state.backendState.numAttributes;
+        uint32_t numScalarAttribs = linkageCount * 4;
+
+        BE_WORK work;
+        work.type = DRAW;
+
+        bool isDegenerate;
+        if (CT::IsConservativeT::value)
+        {
+            // only rasterize valid edges if we have a degenerate primitive
+            int32_t triEdgeEnable = (edgeEnable >> (triIndex * 3)) & ALL_EDGES_VALID;
+            work.pfnWork = GetRasterizerFunc(sampleCount, (rastState.conservativeRast > 0),
+                (SWR_INPUT_COVERAGE)pDC->pState->state.psState.inputCoverage, triEdgeEnable,
+                (state.scissorsTileAligned == false));
+
+            // Degenerate triangles are required to be constant interpolated
+            isDegenerate = (triEdgeEnable != ALL_EDGES_VALID) ? true : false;
+        }
+        else
+        {
+            isDegenerate = false;
+            work.pfnWork = pfnWork;
+        }
+
+        // Select attribute processor
+        PFN_PROCESS_ATTRIBUTES pfnProcessAttribs = GetProcessAttributesFunc(3,
+            state.backendState.swizzleEnable, state.backendState.constantInterpolationMask, isDegenerate);
+
+        TRIANGLE_WORK_DESC &desc = work.desc.tri;
+
+        desc.triFlags.frontFacing = state.forceFront ? 1 : ((frontFaceMask >> triIndex) & 1);
+        desc.triFlags.primID = pPrimID[triIndex];
+        desc.triFlags.renderTargetArrayIndex = aRTAI[triIndex];
+        desc.triFlags.viewportIndex = pViewportIndex[triIndex];
+
+        auto pArena = pDC->pArena;
+        SWR_ASSERT(pArena != nullptr);
+
+        // store active attribs
+        float *pAttribs = (float*)pArena->AllocAligned(numScalarAttribs * 3 * sizeof(float), 16);
+        desc.pAttribs = pAttribs;
+        desc.numAttribs = linkageCount;
+        pfnProcessAttribs(pDC, pa, triIndex, pPrimID[triIndex], desc.pAttribs);
+
+        // store triangle vertex data
+        desc.pTriBuffer = (float*)pArena->AllocAligned(4 * 4 * sizeof(float), 16);
+
+        _mm_store_ps(&desc.pTriBuffer[0], vHorizX[triIndex]);
+        _mm_store_ps(&desc.pTriBuffer[4], vHorizY[triIndex]);
+        _mm_store_ps(&desc.pTriBuffer[8], vHorizZ[triIndex]);
+        _mm_store_ps(&desc.pTriBuffer[12], vHorizW[triIndex]);
+
+        // store user clip distances
+        if (rastState.clipDistanceMask)
+        {
+            uint32_t numClipDist = _mm_popcnt_u32(rastState.clipDistanceMask);
+            desc.pUserClipBuffer = (float*)pArena->Alloc(numClipDist * 3 * sizeof(float));
+            ProcessUserClipDist<3>(pa, triIndex, rastState.clipDistanceMask, desc.pUserClipBuffer);
+        }
+
+        for (uint32_t y = aMTTop[triIndex]; y <= aMTBottom[triIndex]; ++y)
+        {
+            for (uint32_t x = aMTLeft[triIndex]; x <= aMTRight[triIndex]; ++x)
+            {
+#if KNOB_ENABLE_TOSS_POINTS
+                if (!KNOB_TOSS_SETUP_TRIS)
+#endif
+                {
+                    pTileMgr->enqueue(x, y, &work);
+                }
+            }
+        }
+                     triMask &= ~(1 << triIndex);
+    }
+
+endBinTriangles:
+    AR_END(FEBinTriangles, 1);
+}
+
+struct FEBinTrianglesChooser
+{
+    typedef PFN_PROCESS_PRIMS FuncType;
+
+    template <typename... ArgsB>
+    static FuncType GetFunc()
+    {
+        return BinTriangles<ConservativeRastFETraits<ArgsB...>>;
+    }
+};
+
+// Selector for correct templated BinTrinagles function
+PFN_PROCESS_PRIMS GetBinTrianglesFunc(bool IsConservative)
+{
+    return TemplateArgUnroller<FEBinTrianglesChooser>::GetFunc(IsConservative);
+}
+
+//////////////////////////////////////////////////////////////////////////
+/// @brief Bin SIMD points to the backend.  Only supports point size of 1
+/// @param pDC - pointer to draw context.
+/// @param pa - The primitive assembly object.
+/// @param workerId - thread's worker id. Even thread has a unique id.
+/// @param tri - Contains point position data for SIMDs worth of points.
+/// @param primID - Primitive ID for each point.
+void BinPoints(
+    DRAW_CONTEXT *pDC,
+    PA_STATE& pa,
+    uint32_t workerId,
+    simdvector prim[3],
+    uint32_t primMask,
+    simdscalari primID,
+    simdscalari viewportIdx)
+{
+    SWR_CONTEXT *pContext = pDC->pContext;
+
+    AR_BEGIN(FEBinPoints, pDC->drawId);
+
+    simdvector& primVerts = prim[0];
+
+    const API_STATE& state = GetApiState(pDC);
+    const SWR_FRONTEND_STATE& feState = state.frontendState;
+    const SWR_GS_STATE& gsState = state.gsState;
+    const SWR_RASTSTATE& rastState = state.rastState;
+    const uint32_t *pViewportIndex = (uint32_t *)&viewportIdx;
+
+    // Select attribute processor
+    PFN_PROCESS_ATTRIBUTES pfnProcessAttribs = GetProcessAttributesFunc(1,
+        state.backendState.swizzleEnable, state.backendState.constantInterpolationMask);
+
+    if (!feState.vpTransformDisable)
+    {
+        // perspective divide
+        simdscalar vRecipW0 = _simd_div_ps(_simd_set1_ps(1.0f), primVerts.w);
+        primVerts.x = _simd_mul_ps(primVerts.x, vRecipW0);
+        primVerts.y = _simd_mul_ps(primVerts.y, vRecipW0);
+        primVerts.z = _simd_mul_ps(primVerts.z, vRecipW0);
+
+        // viewport transform to screen coords
+        if (state.gsState.emitsViewportArrayIndex)
+        {
+            viewportTransform<1>(&primVerts, state.vpMatrices, viewportIdx);
+        }
+        else
+        {
+            viewportTransform<1>(&primVerts, state.vpMatrices);
+        }
+    }
+
+    // adjust for pixel center location
+    simdscalar offset = g_pixelOffsets[rastState.pixelLocation];
+    primVerts.x = _simd_add_ps(primVerts.x, offset);
+    primVerts.y = _simd_add_ps(primVerts.y, offset);
+
+    // convert to fixed point
+    simdscalari vXi, vYi;
+    vXi = fpToFixedPointVertical(primVerts.x);
+    vYi = fpToFixedPointVertical(primVerts.y);
+
+    if (CanUseSimplePoints(pDC))
+    {
+        // adjust for ymin-xmin rule
+        vXi = _simd_sub_epi32(vXi, _simd_set1_epi32(1));
+        vYi = _simd_sub_epi32(vYi, _simd_set1_epi32(1));
+
+        // cull points off the ymin-xmin edge of the viewport
+        primMask &= ~_simd_movemask_ps(_simd_castsi_ps(vXi));
+        primMask &= ~_simd_movemask_ps(_simd_castsi_ps(vYi));
+
+        // compute macro tile coordinates 
+        simdscalari macroX = _simd_srai_epi32(vXi, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
+        simdscalari macroY = _simd_srai_epi32(vYi, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
+
+        OSALIGNSIMD(uint32_t) aMacroX[KNOB_SIMD_WIDTH], aMacroY[KNOB_SIMD_WIDTH];
+        _simd_store_si((simdscalari*)aMacroX, macroX);
+        _simd_store_si((simdscalari*)aMacroY, macroY);
+
+        // compute raster tile coordinates
+        simdscalari rasterX = _simd_srai_epi32(vXi, KNOB_TILE_X_DIM_SHIFT + FIXED_POINT_SHIFT);
+        simdscalari rasterY = _simd_srai_epi32(vYi, KNOB_TILE_Y_DIM_SHIFT + FIXED_POINT_SHIFT);
+
+        // compute raster tile relative x,y for coverage mask
+        simdscalari tileAlignedX = _simd_slli_epi32(rasterX, KNOB_TILE_X_DIM_SHIFT);
+        simdscalari tileAlignedY = _simd_slli_epi32(rasterY, KNOB_TILE_Y_DIM_SHIFT);
+
+        simdscalari tileRelativeX = _simd_sub_epi32(_simd_srai_epi32(vXi, FIXED_POINT_SHIFT), tileAlignedX);
+        simdscalari tileRelativeY = _simd_sub_epi32(_simd_srai_epi32(vYi, FIXED_POINT_SHIFT), tileAlignedY);
+
+        OSALIGNSIMD(uint32_t) aTileRelativeX[KNOB_SIMD_WIDTH];
+        OSALIGNSIMD(uint32_t) aTileRelativeY[KNOB_SIMD_WIDTH];
+        _simd_store_si((simdscalari*)aTileRelativeX, tileRelativeX);
+        _simd_store_si((simdscalari*)aTileRelativeY, tileRelativeY);
+
+        OSALIGNSIMD(uint32_t) aTileAlignedX[KNOB_SIMD_WIDTH];
+        OSALIGNSIMD(uint32_t) aTileAlignedY[KNOB_SIMD_WIDTH];
+        _simd_store_si((simdscalari*)aTileAlignedX, tileAlignedX);
+        _simd_store_si((simdscalari*)aTileAlignedY, tileAlignedY);
+
+        OSALIGNSIMD(float) aZ[KNOB_SIMD_WIDTH];
+        _simd_store_ps((float*)aZ, primVerts.z);
+
+        // store render target array index
+        OSALIGNSIMD(uint32_t) aRTAI[KNOB_SIMD_WIDTH];
+        if (gsState.gsEnable && gsState.emitsRenderTargetArrayIndex)
+        {
+            simdvector vRtai;
+            pa.Assemble(VERTEX_RTAI_SLOT, &vRtai);
+            simdscalari vRtaii = _simd_castps_si(vRtai.x);
+            _simd_store_si((simdscalari*)aRTAI, vRtaii);
+        }
+        else
+        {
+            _simd_store_si((simdscalari*)aRTAI, _simd_setzero_si());
+        }
+
+        uint32_t *pPrimID = (uint32_t *)&primID;
+        DWORD primIndex = 0;
+
+        const SWR_BACKEND_STATE& backendState = pDC->pState->state.backendState;
+
+        // scan remaining valid triangles and bin each separately
+        while (_BitScanForward(&primIndex, primMask))
+        {
+            uint32_t linkageCount = backendState.numAttributes;
+            uint32_t numScalarAttribs = linkageCount * 4;
+
+            BE_WORK work;
+            work.type = DRAW;
+
+            TRIANGLE_WORK_DESC &desc = work.desc.tri;
+
+            // points are always front facing
+            desc.triFlags.frontFacing = 1;
+            desc.triFlags.primID = pPrimID[primIndex];
+            desc.triFlags.renderTargetArrayIndex = aRTAI[primIndex];
+            desc.triFlags.viewportIndex = pViewportIndex[primIndex];
+
+            work.pfnWork = RasterizeSimplePoint;
+
+            auto pArena = pDC->pArena;
+            SWR_ASSERT(pArena != nullptr);
+
+            // store attributes
+            float *pAttribs = (float*)pArena->AllocAligned(3 * numScalarAttribs * sizeof(float), 16);
+            desc.pAttribs = pAttribs;
+            desc.numAttribs = linkageCount;
+
+            pfnProcessAttribs(pDC, pa, primIndex, pPrimID[primIndex], pAttribs);
+
+            // store raster tile aligned x, y, perspective correct z
+            float *pTriBuffer = (float*)pArena->AllocAligned(4 * sizeof(float), 16);
+            desc.pTriBuffer = pTriBuffer;
+            *(uint32_t*)pTriBuffer++ = aTileAlignedX[primIndex];
+            *(uint32_t*)pTriBuffer++ = aTileAlignedY[primIndex];
+            *pTriBuffer = aZ[primIndex];
+
+            uint32_t tX = aTileRelativeX[primIndex];
+            uint32_t tY = aTileRelativeY[primIndex];
+
+            // pack the relative x,y into the coverageMask, the rasterizer will
+            // generate the true coverage mask from it
+            work.desc.tri.triFlags.coverageMask = tX | (tY << 4);
+
+            // bin it
+            MacroTileMgr *pTileMgr = pDC->pTileMgr;
+#if KNOB_ENABLE_TOSS_POINTS
+            if (!KNOB_TOSS_SETUP_TRIS)
+#endif
+            {
+                pTileMgr->enqueue(aMacroX[primIndex], aMacroY[primIndex], &work);
+            }
+            primMask &= ~(1 << primIndex);
+        }
+    }
+    else
+    {
+        // non simple points need to be potentially binned to multiple macro tiles
+        simdscalar vPointSize;
+        if (rastState.pointParam)
+        {
+            simdvector size[3];
+            pa.Assemble(VERTEX_POINT_SIZE_SLOT, size);
+            vPointSize = size[0].x;
+        }
+        else
+        {
+            vPointSize = _simd_set1_ps(rastState.pointSize);
+        }
+
+        // bloat point to bbox
+        simdBBox bbox;
+        bbox.xmin = bbox.xmax = vXi;
+        bbox.ymin = bbox.ymax = vYi;
+
+        simdscalar vHalfWidth = _simd_mul_ps(vPointSize, _simd_set1_ps(0.5f));
+        simdscalari vHalfWidthi = fpToFixedPointVertical(vHalfWidth);
+        bbox.xmin = _simd_sub_epi32(bbox.xmin, vHalfWidthi);
+        bbox.xmax = _simd_add_epi32(bbox.xmax, vHalfWidthi);
+        bbox.ymin = _simd_sub_epi32(bbox.ymin, vHalfWidthi);
+        bbox.ymax = _simd_add_epi32(bbox.ymax, vHalfWidthi);
+
+        // Intersect with scissor/viewport. Subtract 1 ULP in x.8 fixed point since xmax/ymax edge is exclusive.
+        // Gather the AOS effective scissor rects based on the per-prim VP index.
+        /// @todo:  Look at speeding this up -- weigh against corresponding costs in rasterizer.
+        simdscalari scisXmin, scisYmin, scisXmax, scisYmax;
+        if (state.gsState.emitsViewportArrayIndex)
+        {
+            GatherScissors<KNOB_SIMD_WIDTH>::Gather(&state.scissorsInFixedPoint[0], pViewportIndex,
+                scisXmin, scisYmin, scisXmax, scisYmax);
+        }
+        else // broadcast fast path for non-VPAI case.
+        {
+            scisXmin = _simd_set1_epi32(state.scissorsInFixedPoint[0].xmin);
+            scisYmin = _simd_set1_epi32(state.scissorsInFixedPoint[0].ymin);
+            scisXmax = _simd_set1_epi32(state.scissorsInFixedPoint[0].xmax);
+            scisYmax = _simd_set1_epi32(state.scissorsInFixedPoint[0].ymax);
+        }
+
+        bbox.xmin = _simd_max_epi32(bbox.xmin, scisXmin);
+        bbox.ymin = _simd_max_epi32(bbox.ymin, scisYmin);
+        bbox.xmax = _simd_min_epi32(_simd_sub_epi32(bbox.xmax, _simd_set1_epi32(1)), scisXmax);
+        bbox.ymax = _simd_min_epi32(_simd_sub_epi32(bbox.ymax, _simd_set1_epi32(1)), scisYmax);
+
+        // Cull bloated points completely outside scissor
+        simdscalari maskOutsideScissorX = _simd_cmpgt_epi32(bbox.xmin, bbox.xmax);
+        simdscalari maskOutsideScissorY = _simd_cmpgt_epi32(bbox.ymin, bbox.ymax);
+        simdscalari maskOutsideScissorXY = _simd_or_si(maskOutsideScissorX, maskOutsideScissorY);
+        uint32_t maskOutsideScissor = _simd_movemask_ps(_simd_castsi_ps(maskOutsideScissorXY));
+        primMask = primMask & ~maskOutsideScissor;
+
+        // Convert bbox to macrotile units.
+        bbox.xmin = _simd_srai_epi32(bbox.xmin, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
+        bbox.ymin = _simd_srai_epi32(bbox.ymin, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
+        bbox.xmax = _simd_srai_epi32(bbox.xmax, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
+        bbox.ymax = _simd_srai_epi32(bbox.ymax, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
+
+        OSALIGNSIMD(uint32_t) aMTLeft[KNOB_SIMD_WIDTH], aMTRight[KNOB_SIMD_WIDTH], aMTTop[KNOB_SIMD_WIDTH], aMTBottom[KNOB_SIMD_WIDTH];
+        _simd_store_si((simdscalari*)aMTLeft, bbox.xmin);
+        _simd_store_si((simdscalari*)aMTRight, bbox.xmax);
+        _simd_store_si((simdscalari*)aMTTop, bbox.ymin);
+        _simd_store_si((simdscalari*)aMTBottom, bbox.ymax);
+
+        // store render target array index
+        OSALIGNSIMD(uint32_t) aRTAI[KNOB_SIMD_WIDTH];
+        if (gsState.gsEnable && gsState.emitsRenderTargetArrayIndex)
+        {
+            simdvector vRtai[2];
+            pa.Assemble(VERTEX_RTAI_SLOT, vRtai);
+            simdscalari vRtaii = _simd_castps_si(vRtai[0].x);
+            _simd_store_si((simdscalari*)aRTAI, vRtaii);
+        }
+        else
+        {
+            _simd_store_si((simdscalari*)aRTAI, _simd_setzero_si());
+        }
+
+        OSALIGNSIMD(float) aPointSize[KNOB_SIMD_WIDTH];
+        _simd_store_ps((float*)aPointSize, vPointSize);
+
+        uint32_t *pPrimID = (uint32_t *)&primID;
+
+        OSALIGNSIMD(float) aPrimVertsX[KNOB_SIMD_WIDTH];
+        OSALIGNSIMD(float) aPrimVertsY[KNOB_SIMD_WIDTH];
+        OSALIGNSIMD(float) aPrimVertsZ[KNOB_SIMD_WIDTH];
+
+        _simd_store_ps((float*)aPrimVertsX, primVerts.x);
+        _simd_store_ps((float*)aPrimVertsY, primVerts.y);
+        _simd_store_ps((float*)aPrimVertsZ, primVerts.z);
+
+        // scan remaining valid prims and bin each separately
+        const SWR_BACKEND_STATE& backendState = state.backendState;
+        DWORD primIndex;
+        while (_BitScanForward(&primIndex, primMask))
+        {
+            uint32_t linkageCount = backendState.numAttributes;
+            uint32_t numScalarAttribs = linkageCount * 4;
+
+            BE_WORK work;
+            work.type = DRAW;
+
+            TRIANGLE_WORK_DESC &desc = work.desc.tri;
+
+            desc.triFlags.frontFacing = 1;
+            desc.triFlags.primID = pPrimID[primIndex];
+            desc.triFlags.pointSize = aPointSize[primIndex];
+            desc.triFlags.renderTargetArrayIndex = aRTAI[primIndex];
+            desc.triFlags.viewportIndex = pViewportIndex[primIndex];
+
+            work.pfnWork = RasterizeTriPoint;
+
+            auto pArena = pDC->pArena;
+            SWR_ASSERT(pArena != nullptr);
+
+            // store active attribs
+            desc.pAttribs = (float*)pArena->AllocAligned(numScalarAttribs * 3 * sizeof(float), 16);
+            desc.numAttribs = linkageCount;
+            pfnProcessAttribs(pDC, pa, primIndex, pPrimID[primIndex], desc.pAttribs);
+
+            // store point vertex data
+            float *pTriBuffer = (float*)pArena->AllocAligned(4 * sizeof(float), 16);
+            desc.pTriBuffer = pTriBuffer;
+            *pTriBuffer++ = aPrimVertsX[primIndex];
+            *pTriBuffer++ = aPrimVertsY[primIndex];
+            *pTriBuffer = aPrimVertsZ[primIndex];
+
+            // store user clip distances
+            if (rastState.clipDistanceMask)
+            {
+                uint32_t numClipDist = _mm_popcnt_u32(rastState.clipDistanceMask);
+                desc.pUserClipBuffer = (float*)pArena->Alloc(numClipDist * 2 * sizeof(float));
+                ProcessUserClipDist<2>(pa, primIndex, rastState.clipDistanceMask, desc.pUserClipBuffer);
+            }
+
+            MacroTileMgr *pTileMgr = pDC->pTileMgr;
+            for (uint32_t y = aMTTop[primIndex]; y <= aMTBottom[primIndex]; ++y)
+            {
+                for (uint32_t x = aMTLeft[primIndex]; x <= aMTRight[primIndex]; ++x)
+                {
+#if KNOB_ENABLE_TOSS_POINTS
+                    if (!KNOB_TOSS_SETUP_TRIS)
+#endif
+                    {
+                        pTileMgr->enqueue(x, y, &work);
+                    }
+                }
+            }
+
+            primMask &= ~(1 << primIndex);
+        }
+    }
+
+    AR_END(FEBinPoints, 1);
+}
+
+//////////////////////////////////////////////////////////////////////////
+/// @brief Bin SIMD lines to the backend.
+/// @param pDC - pointer to draw context.
+/// @param pa - The primitive assembly object.
+/// @param workerId - thread's worker id. Even thread has a unique id.
+/// @param tri - Contains line position data for SIMDs worth of points.
+/// @param primID - Primitive ID for each line.
+/// @param viewportIdx - Viewport Array Index for each line.
+void BinLines(
+    DRAW_CONTEXT *pDC,
+    PA_STATE& pa,
+    uint32_t workerId,
+    simdvector prim[],
+    uint32_t primMask,
+    simdscalari primID,
+    simdscalari viewportIdx)
+{
+    SWR_CONTEXT *pContext = pDC->pContext;
+
+    AR_BEGIN(FEBinLines, pDC->drawId);
+
+    const API_STATE& state = GetApiState(pDC);
+    const SWR_RASTSTATE& rastState = state.rastState;
+    const SWR_FRONTEND_STATE& feState = state.frontendState;
+    const SWR_GS_STATE& gsState = state.gsState;
+
+    // Select attribute processor
+    PFN_PROCESS_ATTRIBUTES pfnProcessAttribs = GetProcessAttributesFunc(2,
+        state.backendState.swizzleEnable, state.backendState.constantInterpolationMask);
+
+    simdscalar vRecipW0 = _simd_set1_ps(1.0f);
+    simdscalar vRecipW1 = _simd_set1_ps(1.0f);
+
+    if (!feState.vpTransformDisable)
+    {
+        // perspective divide
+        vRecipW0 = _simd_div_ps(_simd_set1_ps(1.0f), prim[0].w);
+        vRecipW1 = _simd_div_ps(_simd_set1_ps(1.0f), prim[1].w);
+
+        prim[0].v[0] = _simd_mul_ps(prim[0].v[0], vRecipW0);
+        prim[1].v[0] = _simd_mul_ps(prim[1].v[0], vRecipW1);
+
+        prim[0].v[1] = _simd_mul_ps(prim[0].v[1], vRecipW0);
+        prim[1].v[1] = _simd_mul_ps(prim[1].v[1], vRecipW1);
+
+        prim[0].v[2] = _simd_mul_ps(prim[0].v[2], vRecipW0);
+        prim[1].v[2] = _simd_mul_ps(prim[1].v[2], vRecipW1);
+
+        // viewport transform to screen coords
+        if (state.gsState.emitsViewportArrayIndex)
+        {
+            viewportTransform<2>(prim, state.vpMatrices, viewportIdx);
+        }
+        else
+        {
+            viewportTransform<2>(prim, state.vpMatrices);
+        }
+    }
+
+    // adjust for pixel center location
+    simdscalar offset = g_pixelOffsets[rastState.pixelLocation];
+    prim[0].x = _simd_add_ps(prim[0].x, offset);
+    prim[0].y = _simd_add_ps(prim[0].y, offset);
+
+    prim[1].x = _simd_add_ps(prim[1].x, offset);
+    prim[1].y = _simd_add_ps(prim[1].y, offset);
+
+    // convert to fixed point
+    simdscalari vXi[2], vYi[2];
+    vXi[0] = fpToFixedPointVertical(prim[0].x);
+    vYi[0] = fpToFixedPointVertical(prim[0].y);
+    vXi[1] = fpToFixedPointVertical(prim[1].x);
+    vYi[1] = fpToFixedPointVertical(prim[1].y);
+
+    // compute x-major vs y-major mask
+    simdscalari xLength = _simd_abs_epi32(_simd_sub_epi32(vXi[0], vXi[1]));
+    simdscalari yLength = _simd_abs_epi32(_simd_sub_epi32(vYi[0], vYi[1]));
+    simdscalar vYmajorMask = _simd_castsi_ps(_simd_cmpgt_epi32(yLength, xLength));
+    uint32_t yMajorMask = _simd_movemask_ps(vYmajorMask);
+
+    // cull zero-length lines
+    simdscalari vZeroLengthMask = _simd_cmpeq_epi32(xLength, _simd_setzero_si());
+    vZeroLengthMask = _simd_and_si(vZeroLengthMask, _simd_cmpeq_epi32(yLength, _simd_setzero_si()));
+
+    primMask &= ~_simd_movemask_ps(_simd_castsi_ps(vZeroLengthMask));
+
+    uint32_t *pPrimID = (uint32_t *)&primID;
+    const uint32_t *pViewportIndex = (uint32_t *)&viewportIdx;
+
+    simdscalar vUnused = _simd_setzero_ps();
+
+    // Calc bounding box of lines
+    simdBBox bbox;
+    bbox.xmin = _simd_min_epi32(vXi[0], vXi[1]);
+    bbox.xmax = _simd_max_epi32(vXi[0], vXi[1]);
+    bbox.ymin = _simd_min_epi32(vYi[0], vYi[1]);
+    bbox.ymax = _simd_max_epi32(vYi[0], vYi[1]);
+
+    // bloat bbox by line width along minor axis
+    simdscalar vHalfWidth = _simd_set1_ps(rastState.lineWidth / 2.0f);
+    simdscalari vHalfWidthi = fpToFixedPointVertical(vHalfWidth);
+    simdBBox bloatBox;
+    bloatBox.xmin = _simd_sub_epi32(bbox.xmin, vHalfWidthi);
+    bloatBox.xmax = _simd_add_epi32(bbox.xmax, vHalfWidthi);
+    bloatBox.ymin = _simd_sub_epi32(bbox.ymin, vHalfWidthi);
+    bloatBox.ymax = _simd_add_epi32(bbox.ymax, vHalfWidthi);
+
+    bbox.xmin = _simd_blendv_epi32(bbox.xmin, bloatBox.xmin, vYmajorMask);
+    bbox.xmax = _simd_blendv_epi32(bbox.xmax, bloatBox.xmax, vYmajorMask);
+    bbox.ymin = _simd_blendv_epi32(bloatBox.ymin, bbox.ymin, vYmajorMask);
+    bbox.ymax = _simd_blendv_epi32(bloatBox.ymax, bbox.ymax, vYmajorMask);
+
+    // Intersect with scissor/viewport. Subtract 1 ULP in x.8 fixed point since xmax/ymax edge is exclusive.
+    simdscalari scisXmin, scisYmin, scisXmax, scisYmax;
+    if (state.gsState.emitsViewportArrayIndex)
+    {
+        GatherScissors<KNOB_SIMD_WIDTH>::Gather(&state.scissorsInFixedPoint[0], pViewportIndex,
+            scisXmin, scisYmin, scisXmax, scisYmax);
+    }
+    else // broadcast fast path for non-VPAI case.
+    {
+        scisXmin = _simd_set1_epi32(state.scissorsInFixedPoint[0].xmin);
+        scisYmin = _simd_set1_epi32(state.scissorsInFixedPoint[0].ymin);
+        scisXmax = _simd_set1_epi32(state.scissorsInFixedPoint[0].xmax);
+        scisYmax = _simd_set1_epi32(state.scissorsInFixedPoint[0].ymax);
+    }
+
+    bbox.xmin = _simd_max_epi32(bbox.xmin, scisXmin);
+    bbox.ymin = _simd_max_epi32(bbox.ymin, scisYmin);
+    bbox.xmax = _simd_min_epi32(_simd_sub_epi32(bbox.xmax, _simd_set1_epi32(1)), scisXmax);
+    bbox.ymax = _simd_min_epi32(_simd_sub_epi32(bbox.ymax, _simd_set1_epi32(1)), scisYmax);
+
+    // Cull prims completely outside scissor
+    {
+        simdscalari maskOutsideScissorX = _simd_cmpgt_epi32(bbox.xmin, bbox.xmax);
+        simdscalari maskOutsideScissorY = _simd_cmpgt_epi32(bbox.ymin, bbox.ymax);
+        simdscalari maskOutsideScissorXY = _simd_or_si(maskOutsideScissorX, maskOutsideScissorY);
+        uint32_t maskOutsideScissor = _simd_movemask_ps(_simd_castsi_ps(maskOutsideScissorXY));
+        primMask = primMask & ~maskOutsideScissor;
+    }
+
+    if (!primMask)
+    {
+        goto endBinLines;
+    }
+
+    // Convert triangle bbox to macrotile units.
+    bbox.xmin = _simd_srai_epi32(bbox.xmin, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
+    bbox.ymin = _simd_srai_epi32(bbox.ymin, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
+    bbox.xmax = _simd_srai_epi32(bbox.xmax, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
+    bbox.ymax = _simd_srai_epi32(bbox.ymax, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
+
+    OSALIGNSIMD(uint32_t) aMTLeft[KNOB_SIMD_WIDTH], aMTRight[KNOB_SIMD_WIDTH], aMTTop[KNOB_SIMD_WIDTH], aMTBottom[KNOB_SIMD_WIDTH];
+    _simd_store_si((simdscalari*)aMTLeft, bbox.xmin);
+    _simd_store_si((simdscalari*)aMTRight, bbox.xmax);
+    _simd_store_si((simdscalari*)aMTTop, bbox.ymin);
+    _simd_store_si((simdscalari*)aMTBottom, bbox.ymax);
+
+    // transpose verts needed for backend
+    /// @todo modify BE to take non-transformed verts
+    __m128 vHorizX[8], vHorizY[8], vHorizZ[8], vHorizW[8];
+    vTranspose3x8(vHorizX, prim[0].x, prim[1].x, vUnused);
+    vTranspose3x8(vHorizY, prim[0].y, prim[1].y, vUnused);
+    vTranspose3x8(vHorizZ, prim[0].z, prim[1].z, vUnused);
+    vTranspose3x8(vHorizW, vRecipW0, vRecipW1, vUnused);
+
+    // store render target array index
+    OSALIGNSIMD(uint32_t) aRTAI[KNOB_SIMD_WIDTH];
+    if (gsState.gsEnable && gsState.emitsRenderTargetArrayIndex)
+    {
+        simdvector vRtai[2];
+        pa.Assemble(VERTEX_RTAI_SLOT, vRtai);
+        simdscalari vRtaii = _simd_castps_si(vRtai[0].x);
+        _simd_store_si((simdscalari*)aRTAI, vRtaii);
+    }
+    else
+    {
+        _simd_store_si((simdscalari*)aRTAI, _simd_setzero_si());
+    }
+
+    // scan remaining valid prims and bin each separately
+    DWORD primIndex;
+    while (_BitScanForward(&primIndex, primMask))
+    {
+        uint32_t linkageCount = state.backendState.numAttributes;
+        uint32_t numScalarAttribs = linkageCount * 4;
+
+        BE_WORK work;
+        work.type = DRAW;
+
+        TRIANGLE_WORK_DESC &desc = work.desc.tri;
+
+        desc.triFlags.frontFacing = 1;
+        desc.triFlags.primID = pPrimID[primIndex];
+        desc.triFlags.yMajor = (yMajorMask >> primIndex) & 1;
+        desc.triFlags.renderTargetArrayIndex = aRTAI[primIndex];
+        desc.triFlags.viewportIndex = pViewportIndex[primIndex];
+
+        work.pfnWork = RasterizeLine;
+
+        auto pArena = pDC->pArena;
+        SWR_ASSERT(pArena != nullptr);
+
+        // store active attribs
+        desc.pAttribs = (float*)pArena->AllocAligned(numScalarAttribs * 3 * sizeof(float), 16);
+        desc.numAttribs = linkageCount;
+        pfnProcessAttribs(pDC, pa, primIndex, pPrimID[primIndex], desc.pAttribs);
+
+        // store line vertex data
+        desc.pTriBuffer = (float*)pArena->AllocAligned(4 * 4 * sizeof(float), 16);
+        _mm_store_ps(&desc.pTriBuffer[0], vHorizX[primIndex]);
+        _mm_store_ps(&desc.pTriBuffer[4], vHorizY[primIndex]);
+        _mm_store_ps(&desc.pTriBuffer[8], vHorizZ[primIndex]);
+        _mm_store_ps(&desc.pTriBuffer[12], vHorizW[primIndex]);
+
+        // store user clip distances
+        if (rastState.clipDistanceMask)
+        {
+            uint32_t numClipDist = _mm_popcnt_u32(rastState.clipDistanceMask);
+            desc.pUserClipBuffer = (float*)pArena->Alloc(numClipDist * 2 * sizeof(float));
+            ProcessUserClipDist<2>(pa, primIndex, rastState.clipDistanceMask, desc.pUserClipBuffer);
+        }
+
+        MacroTileMgr *pTileMgr = pDC->pTileMgr;
+        for (uint32_t y = aMTTop[primIndex]; y <= aMTBottom[primIndex]; ++y)
+        {
+            for (uint32_t x = aMTLeft[primIndex]; x <= aMTRight[primIndex]; ++x)
+            {
+#if KNOB_ENABLE_TOSS_POINTS
+                if (!KNOB_TOSS_SETUP_TRIS)
+#endif
+                {
+                    pTileMgr->enqueue(x, y, &work);
+                }
+            }
+        }
+
+        primMask &= ~(1 << primIndex);
+    }
+
+endBinLines:
+
+    AR_END(FEBinLines, 1);
+}
diff --git a/src/gallium/drivers/swr/rasterizer/core/frontend.cpp b/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
index 2bcb4e3..bc8a1da 100644
--- a/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
+++ b/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
@@ -32,8 +32,6 @@
 #include "backend.h"
 #include "context.h"
 #include "rdtsc_core.h"
-#include "rasterizer.h"
-#include "conservativeRast.h"
 #include "utils.h"
 #include "threads.h"
 #include "pa.h"
@@ -51,15 +49,6 @@ static INLINE uint32_t GenMask(uint32_t numBits)
 }
 
 //////////////////////////////////////////////////////////////////////////
-/// @brief Offsets added to post-viewport vertex positions based on
-/// raster state.
-static const simdscalar g_pixelOffsets[SWR_PIXEL_LOCATION_UL + 1] =
-{
-    _simd_set1_ps(0.0f), // SWR_PIXEL_LOCATION_CENTER
-    _simd_set1_ps(0.5f), // SWR_PIXEL_LOCATION_UL
-};
-
-//////////////////////////////////////////////////////////////////////////
 /// @brief FE handler for SwrSync.
 /// @param pContext - pointer to SWR context.
 /// @param pDC - pointer to draw context.
@@ -495,70 +484,6 @@ static INLINE simdscalari GenerateMask(uint32_t numItemsRemaining)
     return _simd_castps_si(vMask(mask));
 }
 
-
-//////////////////////////////////////////////////////////////////////////
-/// @brief  Gather scissor rect data based on per-prim viewport indices.
-/// @param pScissorsInFixedPoint - array of scissor rects in 16.8 fixed point.
-/// @param pViewportIndex - array of per-primitive vewport indexes.
-/// @param scisXmin - output vector of per-prmitive scissor rect Xmin data.
-/// @param scisYmin - output vector of per-prmitive scissor rect Ymin data.
-/// @param scisXmax - output vector of per-prmitive scissor rect Xmax data.
-/// @param scisYmax - output vector of per-prmitive scissor rect Ymax data.
-//
-/// @todo:  Look at speeding this up -- weigh against corresponding costs in rasterizer.
-template<size_t SimdWidth>
-struct GatherScissors
-{
-    static void Gather(const SWR_RECT* pScissorsInFixedPoint, const uint32_t* pViewportIndex,
-        simdscalari &scisXmin, simdscalari &scisYmin,
-        simdscalari &scisXmax, simdscalari &scisYmax)
-    {
-        SWR_ASSERT(0, "Unhandled Simd Width in Scissor Rect Gather");
-    }
-};
-
-template<>
-struct GatherScissors<8>
-{
-    static void Gather(const SWR_RECT* pScissorsInFixedPoint, const uint32_t* pViewportIndex,
-        simdscalari &scisXmin, simdscalari &scisYmin,
-        simdscalari &scisXmax, simdscalari &scisYmax)
-    {
-        scisXmin = _simd_set_epi32(pScissorsInFixedPoint[pViewportIndex[0]].xmin,
-            pScissorsInFixedPoint[pViewportIndex[1]].xmin,
-            pScissorsInFixedPoint[pViewportIndex[2]].xmin,
-            pScissorsInFixedPoint[pViewportIndex[3]].xmin,
-            pScissorsInFixedPoint[pViewportIndex[4]].xmin,
-            pScissorsInFixedPoint[pViewportIndex[5]].xmin,
-            pScissorsInFixedPoint[pViewportIndex[6]].xmin,
-            pScissorsInFixedPoint[pViewportIndex[7]].xmin);
-        scisYmin = _simd_set_epi32(pScissorsInFixedPoint[pViewportIndex[0]].ymin,
-            pScissorsInFixedPoint[pViewportIndex[1]].ymin,
-            pScissorsInFixedPoint[pViewportIndex[2]].ymin,
-            pScissorsInFixedPoint[pViewportIndex[3]].ymin,
-            pScissorsInFixedPoint[pViewportIndex[4]].ymin,
-            pScissorsInFixedPoint[pViewportIndex[5]].ymin,
-            pScissorsInFixedPoint[pViewportIndex[6]].ymin,
-            pScissorsInFixedPoint[pViewportIndex[7]].ymin);
-        scisXmax = _simd_set_epi32(pScissorsInFixedPoint[pViewportIndex[0]].xmax,
-            pScissorsInFixedPoint[pViewportIndex[1]].xmax,
-            pScissorsInFixedPoint[pViewportIndex[2]].xmax,
-            pScissorsInFixedPoint[pViewportIndex[3]].xmax,
-            pScissorsInFixedPoint[pViewportIndex[4]].xmax,
-            pScissorsInFixedPoint[pViewportIndex[5]].xmax,
-            pScissorsInFixedPoint[pViewportIndex[6]].xmax,
-            pScissorsInFixedPoint[pViewportIndex[7]].xmax);
-        scisYmax = _simd_set_epi32(pScissorsInFixedPoint[pViewportIndex[0]].ymax,
-            pScissorsInFixedPoint[pViewportIndex[1]].ymax,
-            pScissorsInFixedPoint[pViewportIndex[2]].ymax,
-            pScissorsInFixedPoint[pViewportIndex[3]].ymax,
-            pScissorsInFixedPoint[pViewportIndex[4]].ymax,
-            pScissorsInFixedPoint[pViewportIndex[5]].ymax,
-            pScissorsInFixedPoint[pViewportIndex[6]].ymax,
-            pScissorsInFixedPoint[pViewportIndex[7]].ymax);
-    }
-};
-
 //////////////////////////////////////////////////////////////////////////
 /// @brief StreamOut - Streams vertex data out to SO buffers.
 ///        Generally, we are only streaming out a SIMDs worth of triangles.
@@ -1488,1320 +1413,4 @@ PFN_FE_WORK_FUNC GetProcessDrawFunc(
     bool HasRasterization)
 {
     return TemplateArgUnroller<FEDrawChooser>::GetFunc(IsIndexed, IsCutIndexEnabled, HasTessellation, HasGeometryShader, HasStreamOut, HasRasterization);
-}
-
-//////////////////////////////////////////////////////////////////////////
-/// @brief Processes attributes for the backend based on linkage mask and
-///        linkage map.  Essentially just doing an SOA->AOS conversion and pack.
-/// @param pDC - Draw context
-/// @param pa - Primitive Assembly state
-/// @param linkageMask - Specifies which VS outputs are routed to PS.
-/// @param pLinkageMap - maps VS attribute slot to PS slot
-/// @param triIndex - Triangle to process attributes for
-/// @param pBuffer - Output result
-template<typename NumVertsT, typename IsSwizzledT, typename HasConstantInterpT, typename IsDegenerate>
-INLINE void ProcessAttributes(
-    DRAW_CONTEXT *pDC,
-    PA_STATE&pa,
-    uint32_t triIndex,
-    uint32_t primId,
-    float *pBuffer)
-{
-    static_assert(NumVertsT::value > 0 && NumVertsT::value <= 3, "Invalid value for NumVertsT");
-    const SWR_BACKEND_STATE& backendState = pDC->pState->state.backendState;
-    // Conservative Rasterization requires degenerate tris to have constant attribute interpolation
-    LONG constantInterpMask = IsDegenerate::value ? 0xFFFFFFFF : backendState.constantInterpolationMask;
-    const uint32_t provokingVertex = pDC->pState->state.frontendState.topologyProvokingVertex;
-    const PRIMITIVE_TOPOLOGY topo = pDC->pState->state.topology;
-
-    static const float constTable[3][4] = {
-        {0.0f, 0.0f, 0.0f, 0.0f},
-        {0.0f, 0.0f, 0.0f, 1.0f},
-        {1.0f, 1.0f, 1.0f, 1.0f}
-    };
-
-    for (uint32_t i = 0; i < backendState.numAttributes; ++i)
-    {
-        uint32_t inputSlot;
-        if (IsSwizzledT::value)
-        {
-            SWR_ATTRIB_SWIZZLE attribSwizzle = backendState.swizzleMap[i];
-            inputSlot = VERTEX_ATTRIB_START_SLOT + attribSwizzle.sourceAttrib;
-
-        }
-        else
-        {
-            inputSlot = VERTEX_ATTRIB_START_SLOT + i;
-        }
-
-        __m128 attrib[3];    // triangle attribs (always 4 wide)
-        float* pAttribStart = pBuffer;
-
-        if (HasConstantInterpT::value || IsDegenerate::value)
-        {
-            if (_bittest(&constantInterpMask, i))
-            {
-                uint32_t vid;
-                uint32_t adjustedTriIndex;
-                static const uint32_t tristripProvokingVertex[] = { 0, 2, 1 };
-                static const int32_t quadProvokingTri[2][4] = { {0, 0, 0, 1}, {0, -1, 0, 0} };
-                static const uint32_t quadProvokingVertex[2][4] = { {0, 1, 2, 2}, {0, 1, 1, 2} };
-                static const int32_t qstripProvokingTri[2][4] = { {0, 0, 0, 1}, {-1, 0, 0, 0} };
-                static const uint32_t qstripProvokingVertex[2][4] = { {0, 1, 2, 1}, {0, 0, 2, 1} };
-
-                switch (topo) {
-                case TOP_QUAD_LIST:
-                    adjustedTriIndex = triIndex + quadProvokingTri[triIndex & 1][provokingVertex];
-                    vid = quadProvokingVertex[triIndex & 1][provokingVertex];
-                    break;
-                case TOP_QUAD_STRIP:
-                    adjustedTriIndex = triIndex + qstripProvokingTri[triIndex & 1][provokingVertex];
-                    vid = qstripProvokingVertex[triIndex & 1][provokingVertex];
-                    break;
-                case TOP_TRIANGLE_STRIP:
-                    adjustedTriIndex = triIndex;
-                    vid = (triIndex & 1)
-                        ? tristripProvokingVertex[provokingVertex]
-                        : provokingVertex;
-                    break;
-                default:
-                    adjustedTriIndex = triIndex;
-                    vid = provokingVertex;
-                    break;
-                }
-
-                pa.AssembleSingle(inputSlot, adjustedTriIndex, attrib);
-
-                for (uint32_t i = 0; i < NumVertsT::value; ++i)
-                {
-                    _mm_store_ps(pBuffer, attrib[vid]);
-                    pBuffer += 4;
-                }
-            }
-            else
-            {
-                pa.AssembleSingle(inputSlot, triIndex, attrib);
-
-                for (uint32_t i = 0; i < NumVertsT::value; ++i)
-                {
-                    _mm_store_ps(pBuffer, attrib[i]);
-                    pBuffer += 4;
-                }
-            }
-        }
-        else
-        {
-            pa.AssembleSingle(inputSlot, triIndex, attrib);
-
-            for (uint32_t i = 0; i < NumVertsT::value; ++i)
-            {
-                _mm_store_ps(pBuffer, attrib[i]);
-                pBuffer += 4;
-            }
-        }
-
-        // pad out the attrib buffer to 3 verts to ensure the triangle
-        // interpolation code in the pixel shader works correctly for the
-        // 3 topologies - point, line, tri.  This effectively zeros out the
-        // effect of the missing vertices in the triangle interpolation.
-        for (uint32_t v = NumVertsT::value; v < 3; ++v)
-        {
-            _mm_store_ps(pBuffer, attrib[NumVertsT::value - 1]);
-            pBuffer += 4;
-        }
-
-        // check for constant source overrides
-        if (IsSwizzledT::value)
-        {
-            uint32_t mask = backendState.swizzleMap[i].componentOverrideMask;
-            if (mask)
-            {
-                DWORD comp;
-                while (_BitScanForward(&comp, mask))
-                {
-                    mask &= ~(1 << comp);
-
-                    float constantValue = 0.0f;
-                    switch ((SWR_CONSTANT_SOURCE)backendState.swizzleMap[i].constantSource)
-                    {
-                    case SWR_CONSTANT_SOURCE_CONST_0000:
-                    case SWR_CONSTANT_SOURCE_CONST_0001_FLOAT:
-                    case SWR_CONSTANT_SOURCE_CONST_1111_FLOAT:
-                        constantValue = constTable[backendState.swizzleMap[i].constantSource][comp];
-                        break;
-                    case SWR_CONSTANT_SOURCE_PRIM_ID:
-                        constantValue = *(float*)&primId;
-                        break;
-                    }
-
-                    // apply constant value to all 3 vertices
-                    for (uint32_t v = 0; v < 3; ++v)
-                    {
-                        pAttribStart[comp + v * 4] = constantValue;
-                    }
-                }
-            }
-        }
-    }
-}
-
-
-typedef void(*PFN_PROCESS_ATTRIBUTES)(DRAW_CONTEXT*, PA_STATE&, uint32_t, uint32_t, float*);
-
-struct ProcessAttributesChooser
-{
-    typedef PFN_PROCESS_ATTRIBUTES FuncType;
-
-    template <typename... ArgsB>
-    static FuncType GetFunc()
-    {
-        return ProcessAttributes<ArgsB...>;
-    }
-};
-
-PFN_PROCESS_ATTRIBUTES GetProcessAttributesFunc(uint32_t NumVerts, bool IsSwizzled, bool HasConstantInterp, bool IsDegenerate = false)
-{
-    return TemplateArgUnroller<ProcessAttributesChooser>::GetFunc(IntArg<1, 3>{NumVerts}, IsSwizzled, HasConstantInterp, IsDegenerate);
-}
-
-//////////////////////////////////////////////////////////////////////////
-/// @brief Processes enabled user clip distances. Loads the active clip
-///        distances from the PA, sets up barycentric equations, and
-///        stores the results to the output buffer
-/// @param pa - Primitive Assembly state
-/// @param primIndex - primitive index to process
-/// @param clipDistMask - mask of enabled clip distances
-/// @param pUserClipBuffer - buffer to store results
-template<uint32_t NumVerts>
-void ProcessUserClipDist(PA_STATE& pa, uint32_t primIndex, uint8_t clipDistMask, float* pUserClipBuffer)
-{
-    DWORD clipDist;
-    while (_BitScanForward(&clipDist, clipDistMask))
-    {
-        clipDistMask &= ~(1 << clipDist);
-        uint32_t clipSlot = clipDist >> 2;
-        uint32_t clipComp = clipDist & 0x3;
-        uint32_t clipAttribSlot = clipSlot == 0 ?
-            VERTEX_CLIPCULL_DIST_LO_SLOT : VERTEX_CLIPCULL_DIST_HI_SLOT;
-
-        __m128 primClipDist[3];
-        pa.AssembleSingle(clipAttribSlot, primIndex, primClipDist);
-
-        float vertClipDist[NumVerts];
-        for (uint32_t e = 0; e < NumVerts; ++e)
-        {
-            OSALIGNSIMD(float) aVertClipDist[4];
-            _mm_store_ps(aVertClipDist, primClipDist[e]);
-            vertClipDist[e] = aVertClipDist[clipComp];
-        };
-
-        // setup plane equations for barycentric interpolation in the backend
-        float baryCoeff[NumVerts];
-        for (uint32_t e = 0; e < NumVerts - 1; ++e)
-        {
-            baryCoeff[e] = vertClipDist[e] - vertClipDist[NumVerts - 1];
-        }
-        baryCoeff[NumVerts - 1] = vertClipDist[NumVerts - 1];
-
-        for (uint32_t e = 0; e < NumVerts; ++e)
-        {
-            *(pUserClipBuffer++) = baryCoeff[e];
-        }
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////
-/// @brief Convert the X,Y coords of a triangle to the requested Fixed 
-/// Point precision from FP32.
-template <typename PT = FixedPointTraits<Fixed_16_8>>
-INLINE simdscalari fpToFixedPointVertical(const simdscalar vIn)
-{
-    simdscalar vFixed = _simd_mul_ps(vIn, _simd_set1_ps(PT::ScaleT::value));
-    return _simd_cvtps_epi32(vFixed);
-}
-
-//////////////////////////////////////////////////////////////////////////
-/// @brief Helper function to set the X,Y coords of a triangle to the 
-/// requested Fixed Point precision from FP32.
-/// @param tri: simdvector[3] of FP triangle verts
-/// @param vXi: fixed point X coords of tri verts
-/// @param vYi: fixed point Y coords of tri verts
-INLINE static void FPToFixedPoint(const simdvector * const tri, simdscalari (&vXi)[3], simdscalari (&vYi)[3])
-{
-    vXi[0] = fpToFixedPointVertical(tri[0].x);
-    vYi[0] = fpToFixedPointVertical(tri[0].y);
-    vXi[1] = fpToFixedPointVertical(tri[1].x);
-    vYi[1] = fpToFixedPointVertical(tri[1].y);
-    vXi[2] = fpToFixedPointVertical(tri[2].x);
-    vYi[2] = fpToFixedPointVertical(tri[2].y);
-}
-
-//////////////////////////////////////////////////////////////////////////
-/// @brief Calculate bounding box for current triangle
-/// @tparam CT: ConservativeRastFETraits type
-/// @param vX: fixed point X position for triangle verts
-/// @param vY: fixed point Y position for triangle verts
-/// @param bbox: fixed point bbox
-/// *Note*: expects vX, vY to be in the correct precision for the type 
-/// of rasterization. This avoids unnecessary FP->fixed conversions.
-template <typename CT>
-INLINE void calcBoundingBoxIntVertical(const simdvector * const tri, simdscalari (&vX)[3], simdscalari (&vY)[3], simdBBox &bbox)
-{
-    simdscalari vMinX = vX[0];
-    vMinX = _simd_min_epi32(vMinX, vX[1]);
-    vMinX = _simd_min_epi32(vMinX, vX[2]);
-
-    simdscalari vMaxX = vX[0];
-    vMaxX = _simd_max_epi32(vMaxX, vX[1]);
-    vMaxX = _simd_max_epi32(vMaxX, vX[2]);
-
-    simdscalari vMinY = vY[0];
-    vMinY = _simd_min_epi32(vMinY, vY[1]);
-    vMinY = _simd_min_epi32(vMinY, vY[2]);
-
-    simdscalari vMaxY = vY[0];
-    vMaxY = _simd_max_epi32(vMaxY, vY[1]);
-    vMaxY = _simd_max_epi32(vMaxY, vY[2]);
-
-    bbox.xmin = vMinX;
-    bbox.xmax = vMaxX;
-    bbox.ymin = vMinY;
-    bbox.ymax = vMaxY;
-}
-
-//////////////////////////////////////////////////////////////////////////
-/// @brief FEConservativeRastT specialization of calcBoundingBoxIntVertical
-/// Offsets BBox for conservative rast
-template <>
-INLINE void calcBoundingBoxIntVertical<FEConservativeRastT>(const simdvector * const tri, simdscalari (&vX)[3], simdscalari (&vY)[3], simdBBox &bbox)
-{
-    // FE conservative rast traits
-    typedef FEConservativeRastT CT;
-
-    simdscalari vMinX = vX[0];
-    vMinX = _simd_min_epi32(vMinX, vX[1]);
-    vMinX = _simd_min_epi32(vMinX, vX[2]);
-
-    simdscalari vMaxX = vX[0];
-    vMaxX = _simd_max_epi32(vMaxX, vX[1]);
-    vMaxX = _simd_max_epi32(vMaxX, vX[2]);
-
-    simdscalari vMinY = vY[0];
-    vMinY = _simd_min_epi32(vMinY, vY[1]);
-    vMinY = _simd_min_epi32(vMinY, vY[2]);
-
-    simdscalari vMaxY = vY[0];
-    vMaxY = _simd_max_epi32(vMaxY, vY[1]);
-    vMaxY = _simd_max_epi32(vMaxY, vY[2]);
-    
-    /// Bounding box needs to be expanded by 1/512 before snapping to 16.8 for conservative rasterization
-    /// expand bbox by 1/256; coverage will be correctly handled in the rasterizer.
-    bbox.xmin = _simd_sub_epi32(vMinX, _simd_set1_epi32(CT::BoundingBoxOffsetT::value));
-    bbox.xmax = _simd_add_epi32(vMaxX, _simd_set1_epi32(CT::BoundingBoxOffsetT::value));
-    bbox.ymin = _simd_sub_epi32(vMinY, _simd_set1_epi32(CT::BoundingBoxOffsetT::value));
-    bbox.ymax = _simd_add_epi32(vMaxY, _simd_set1_epi32(CT::BoundingBoxOffsetT::value));
-}
-
-//////////////////////////////////////////////////////////////////////////
-/// @brief Bin triangle primitives to macro tiles. Performs setup, clipping
-///        culling, viewport transform, etc.
-/// @param pDC - pointer to draw context.
-/// @param pa - The primitive assembly object.
-/// @param workerId - thread's worker id. Even thread has a unique id.
-/// @param tri - Contains triangle position data for SIMDs worth of triangles.
-/// @param primID - Primitive ID for each triangle.
-/// @param viewportIdx - viewport array index for each triangle.
-/// @tparam CT - ConservativeRastFETraits
-template <typename CT>
-void BinTriangles(
-    DRAW_CONTEXT *pDC,
-    PA_STATE& pa,
-    uint32_t workerId,
-    simdvector tri[3],
-    uint32_t triMask,
-    simdscalari primID,
-    simdscalari viewportIdx)
-{
-    SWR_CONTEXT *pContext = pDC->pContext;
-
-    AR_BEGIN(FEBinTriangles, pDC->drawId);
-
-    const API_STATE& state = GetApiState(pDC);
-    const SWR_RASTSTATE& rastState = state.rastState;
-    const SWR_FRONTEND_STATE& feState = state.frontendState;
-    const SWR_GS_STATE& gsState = state.gsState;
-    MacroTileMgr *pTileMgr = pDC->pTileMgr;
-
-
-    simdscalar vRecipW0 = _simd_set1_ps(1.0f);
-    simdscalar vRecipW1 = _simd_set1_ps(1.0f);
-    simdscalar vRecipW2 = _simd_set1_ps(1.0f);
-
-    if (feState.vpTransformDisable)
-    {
-        // RHW is passed in directly when VP transform is disabled
-        vRecipW0 = tri[0].v[3];
-        vRecipW1 = tri[1].v[3];
-        vRecipW2 = tri[2].v[3];
-    }
-    else
-    {
-        // Perspective divide
-        vRecipW0 = _simd_div_ps(_simd_set1_ps(1.0f), tri[0].w);
-        vRecipW1 = _simd_div_ps(_simd_set1_ps(1.0f), tri[1].w);
-        vRecipW2 = _simd_div_ps(_simd_set1_ps(1.0f), tri[2].w);
-
-        tri[0].v[0] = _simd_mul_ps(tri[0].v[0], vRecipW0);
-        tri[1].v[0] = _simd_mul_ps(tri[1].v[0], vRecipW1);
-        tri[2].v[0] = _simd_mul_ps(tri[2].v[0], vRecipW2);
-
-        tri[0].v[1] = _simd_mul_ps(tri[0].v[1], vRecipW0);
-        tri[1].v[1] = _simd_mul_ps(tri[1].v[1], vRecipW1);
-        tri[2].v[1] = _simd_mul_ps(tri[2].v[1], vRecipW2);
-
-        tri[0].v[2] = _simd_mul_ps(tri[0].v[2], vRecipW0);
-        tri[1].v[2] = _simd_mul_ps(tri[1].v[2], vRecipW1);
-        tri[2].v[2] = _simd_mul_ps(tri[2].v[2], vRecipW2);
-
-        // Viewport transform to screen space coords
-        if (state.gsState.emitsViewportArrayIndex)
-        {
-            viewportTransform<3>(tri, state.vpMatrices, viewportIdx);
-        }
-        else
-        {
-            viewportTransform<3>(tri, state.vpMatrices);
-        }
-    }
-
-    // Adjust for pixel center location
-    simdscalar offset = g_pixelOffsets[rastState.pixelLocation];
-    tri[0].x = _simd_add_ps(tri[0].x, offset);
-    tri[0].y = _simd_add_ps(tri[0].y, offset);
-
-    tri[1].x = _simd_add_ps(tri[1].x, offset);
-    tri[1].y = _simd_add_ps(tri[1].y, offset);
-
-    tri[2].x = _simd_add_ps(tri[2].x, offset);
-    tri[2].y = _simd_add_ps(tri[2].y, offset);
-
-    simdscalari vXi[3], vYi[3];
-    // Set vXi, vYi to required fixed point precision
-    FPToFixedPoint(tri, vXi, vYi);
-
-    // triangle setup
-    simdscalari vAi[3], vBi[3];
-    triangleSetupABIntVertical(vXi, vYi, vAi, vBi);
-        
-    // determinant
-    simdscalari vDet[2];
-    calcDeterminantIntVertical(vAi, vBi, vDet);
-
-    // cull zero area
-    int maskLo = _simd_movemask_pd(_simd_castsi_pd(_simd_cmpeq_epi64(vDet[0], _simd_setzero_si())));
-    int maskHi = _simd_movemask_pd(_simd_castsi_pd(_simd_cmpeq_epi64(vDet[1], _simd_setzero_si())));
-
-    int cullZeroAreaMask = maskLo | (maskHi << (KNOB_SIMD_WIDTH / 2));
-
-    uint32_t origTriMask = triMask;
-    // don't cull degenerate triangles if we're conservatively rasterizing
-    if(!CT::IsConservativeT::value)
-    {
-        triMask &= ~cullZeroAreaMask;
-    }
-
-    // determine front winding tris
-    // CW  +det
-    // CCW det <= 0; 0 area triangles are marked as backfacing, which is required behavior for conservative rast
-    maskLo = _simd_movemask_pd(_simd_castsi_pd(_simd_cmpgt_epi64(vDet[0], _simd_setzero_si())));
-    maskHi = _simd_movemask_pd(_simd_castsi_pd(_simd_cmpgt_epi64(vDet[1], _simd_setzero_si())));
-    int cwTriMask = maskLo | (maskHi << (KNOB_SIMD_WIDTH /2) );
-
-    uint32_t frontWindingTris;
-    if (rastState.frontWinding == SWR_FRONTWINDING_CW)
-    {
-        frontWindingTris = cwTriMask;
-    }
-    else
-    {
-        frontWindingTris = ~cwTriMask;
-    }
-
-    // cull
-    uint32_t cullTris;
-    switch ((SWR_CULLMODE)rastState.cullMode)
-    {
-    case SWR_CULLMODE_BOTH:  cullTris = 0xffffffff; break;
-    case SWR_CULLMODE_NONE:  cullTris = 0x0; break;
-    case SWR_CULLMODE_FRONT: cullTris = frontWindingTris; break;
-    // 0 area triangles are marked as backfacing, which is required behavior for conservative rast
-    case SWR_CULLMODE_BACK:  cullTris = ~frontWindingTris; break;
-    default: SWR_ASSERT(false, "Invalid cull mode: %d", rastState.cullMode); cullTris = 0x0; break;
-    }
-
-    triMask &= ~cullTris;
-
-    if (origTriMask ^ triMask)
-    {
-        RDTSC_EVENT(FECullZeroAreaAndBackface, _mm_popcnt_u32(origTriMask ^ triMask), 0);
-    }
-
-    /// Note: these variable initializations must stay above any 'goto endBenTriangles'
-    // compute per tri backface
-    uint32_t frontFaceMask = frontWindingTris;
-    uint32_t *pPrimID = (uint32_t *)&primID;
-    const uint32_t *pViewportIndex = (uint32_t *)&viewportIdx;
-    DWORD triIndex = 0;
-    // for center sample pattern, all samples are at pixel center; calculate coverage
-    // once at center and broadcast the results in the backend
-    const SWR_MULTISAMPLE_COUNT sampleCount = (rastState.samplePattern == SWR_MSAA_STANDARD_PATTERN) ? rastState.sampleCount : SWR_MULTISAMPLE_1X;
-    uint32_t edgeEnable;
-    PFN_WORK_FUNC pfnWork;
-    if(CT::IsConservativeT::value)
-    {
-        // determine which edges of the degenerate tri, if any, are valid to rasterize.
-        // used to call the appropriate templated rasterizer function
-        if(cullZeroAreaMask > 0)
-        {
-            // e0 = v1-v0
-            simdscalari x0x1Mask = _simd_cmpeq_epi32(vXi[0], vXi[1]);
-            simdscalari y0y1Mask = _simd_cmpeq_epi32(vYi[0], vYi[1]);
-            uint32_t e0Mask = _simd_movemask_ps(_simd_castsi_ps(_simd_and_si(x0x1Mask, y0y1Mask)));
-
-            // e1 = v2-v1
-            simdscalari x1x2Mask = _simd_cmpeq_epi32(vXi[1], vXi[2]);
-            simdscalari y1y2Mask = _simd_cmpeq_epi32(vYi[1], vYi[2]);
-            uint32_t e1Mask = _simd_movemask_ps(_simd_castsi_ps(_simd_and_si(x1x2Mask, y1y2Mask)));
-
-            // e2 = v0-v2
-            // if v0 == v1 & v1 == v2, v0 == v2
-            uint32_t e2Mask = e0Mask & e1Mask;
-            SWR_ASSERT(KNOB_SIMD_WIDTH == 8, "Need to update degenerate mask code for avx512");
-
-            // edge order: e0 = v0v1, e1 = v1v2, e2 = v0v2
-            // 32 bit binary: 0000 0000 0010 0100 1001 0010 0100 1001
-            e0Mask = pdep_u32(e0Mask, 0x00249249);
-            // 32 bit binary: 0000 0000 0100 1001 0010 0100 1001 0010
-            e1Mask = pdep_u32(e1Mask, 0x00492492);
-            // 32 bit binary: 0000 0000 1001 0010 0100 1001 0010 0100
-            e2Mask = pdep_u32(e2Mask, 0x00924924);
-
-            edgeEnable = (0x00FFFFFF & (~(e0Mask | e1Mask | e2Mask)));
-        }
-        else
-        {
-            edgeEnable = 0x00FFFFFF;
-        }
-    }
-    else
-    {
-        // degenerate triangles won't be sent to rasterizer; just enable all edges
-        pfnWork = GetRasterizerFunc(sampleCount, (rastState.conservativeRast > 0),
-                                    (SWR_INPUT_COVERAGE)pDC->pState->state.psState.inputCoverage, ALL_EDGES_VALID, 
-                                    (state.scissorsTileAligned == false));
-    }
-
-    if (!triMask)
-    {
-        goto endBinTriangles;
-    }
-
-    // Calc bounding box of triangles
-    simdBBox bbox;
-    calcBoundingBoxIntVertical<CT>(tri, vXi, vYi, bbox);
-
-    // determine if triangle falls between pixel centers and discard
-    // only discard for non-MSAA case and when conservative rast is disabled
-    // (xmin + 127) & ~255
-    // (xmax + 128) & ~255
-    if(rastState.sampleCount == SWR_MULTISAMPLE_1X && (!CT::IsConservativeT::value))
-    {
-        origTriMask = triMask;
-
-        int cullCenterMask;
-        {
-            simdscalari xmin = _simd_add_epi32(bbox.xmin, _simd_set1_epi32(127));
-            xmin = _simd_and_si(xmin, _simd_set1_epi32(~255));
-            simdscalari xmax = _simd_add_epi32(bbox.xmax, _simd_set1_epi32(128));
-            xmax = _simd_and_si(xmax, _simd_set1_epi32(~255));
-
-            simdscalari vMaskH = _simd_cmpeq_epi32(xmin, xmax);
-
-            simdscalari ymin = _simd_add_epi32(bbox.ymin, _simd_set1_epi32(127));
-            ymin = _simd_and_si(ymin, _simd_set1_epi32(~255));
-            simdscalari ymax = _simd_add_epi32(bbox.ymax, _simd_set1_epi32(128));
-            ymax = _simd_and_si(ymax, _simd_set1_epi32(~255));
-
-            simdscalari vMaskV = _simd_cmpeq_epi32(ymin, ymax);
-            vMaskV = _simd_or_si(vMaskH, vMaskV);
-            cullCenterMask = _simd_movemask_ps(_simd_castsi_ps(vMaskV));
-        }
-
-        triMask &= ~cullCenterMask;
-
-        if(origTriMask ^ triMask)
-        {
-            RDTSC_EVENT(FECullBetweenCenters, _mm_popcnt_u32(origTriMask ^ triMask), 0);
-        }
-    }
-
-    // Intersect with scissor/viewport. Subtract 1 ULP in x.8 fixed point since xmax/ymax edge is exclusive.
-    // Gather the AOS effective scissor rects based on the per-prim VP index.
-    /// @todo:  Look at speeding this up -- weigh against corresponding costs in rasterizer.
-    simdscalari scisXmin, scisYmin, scisXmax, scisYmax;
-    if (state.gsState.emitsViewportArrayIndex)
-    {
-        GatherScissors<KNOB_SIMD_WIDTH>::Gather(&state.scissorsInFixedPoint[0], pViewportIndex,
-                                                scisXmin, scisYmin, scisXmax, scisYmax);
-    }
-    else // broadcast fast path for non-VPAI case.
-    {
-        scisXmin = _simd_set1_epi32(state.scissorsInFixedPoint[0].xmin);
-        scisYmin = _simd_set1_epi32(state.scissorsInFixedPoint[0].ymin);
-        scisXmax = _simd_set1_epi32(state.scissorsInFixedPoint[0].xmax);
-        scisYmax = _simd_set1_epi32(state.scissorsInFixedPoint[0].ymax);
-    }
-
-    bbox.xmin = _simd_max_epi32(bbox.xmin, scisXmin);
-    bbox.ymin = _simd_max_epi32(bbox.ymin, scisYmin);
-    bbox.xmax = _simd_min_epi32(_simd_sub_epi32(bbox.xmax, _simd_set1_epi32(1)), scisXmax);
-    bbox.ymax = _simd_min_epi32(_simd_sub_epi32(bbox.ymax, _simd_set1_epi32(1)), scisYmax);
-
-    if(CT::IsConservativeT::value)
-    {
-        // in the case where a degenerate triangle is on a scissor edge, we need to make sure the primitive bbox has
-        // some area. Bump the xmax/ymax edges out 
-        simdscalari topEqualsBottom = _simd_cmpeq_epi32(bbox.ymin, bbox.ymax);
-        bbox.ymax = _simd_blendv_epi32(bbox.ymax, _simd_add_epi32(bbox.ymax, _simd_set1_epi32(1)), topEqualsBottom);
-        simdscalari leftEqualsRight = _simd_cmpeq_epi32(bbox.xmin, bbox.xmax);
-        bbox.xmax = _simd_blendv_epi32(bbox.xmax, _simd_add_epi32(bbox.xmax, _simd_set1_epi32(1)), leftEqualsRight);
-    }
-
-    // Cull tris completely outside scissor
-    {
-        simdscalari maskOutsideScissorX = _simd_cmpgt_epi32(bbox.xmin, bbox.xmax);
-        simdscalari maskOutsideScissorY = _simd_cmpgt_epi32(bbox.ymin, bbox.ymax);
-        simdscalari maskOutsideScissorXY = _simd_or_si(maskOutsideScissorX, maskOutsideScissorY);
-        uint32_t maskOutsideScissor = _simd_movemask_ps(_simd_castsi_ps(maskOutsideScissorXY));
-        triMask = triMask & ~maskOutsideScissor;
-    }
-
-    if (!triMask)
-    {
-        goto endBinTriangles;
-    }
-
-    // Convert triangle bbox to macrotile units.
-    bbox.xmin = _simd_srai_epi32(bbox.xmin, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
-    bbox.ymin = _simd_srai_epi32(bbox.ymin, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
-    bbox.xmax = _simd_srai_epi32(bbox.xmax, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
-    bbox.ymax = _simd_srai_epi32(bbox.ymax, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
-
-    OSALIGNSIMD(uint32_t) aMTLeft[KNOB_SIMD_WIDTH], aMTRight[KNOB_SIMD_WIDTH], aMTTop[KNOB_SIMD_WIDTH], aMTBottom[KNOB_SIMD_WIDTH];
-    _simd_store_si((simdscalari*)aMTLeft, bbox.xmin);
-    _simd_store_si((simdscalari*)aMTRight, bbox.xmax);
-    _simd_store_si((simdscalari*)aMTTop, bbox.ymin);
-    _simd_store_si((simdscalari*)aMTBottom, bbox.ymax);
-
-    // transpose verts needed for backend
-    /// @todo modify BE to take non-transformed verts
-    __m128 vHorizX[8], vHorizY[8], vHorizZ[8], vHorizW[8];
-    vTranspose3x8(vHorizX, tri[0].x, tri[1].x, tri[2].x);
-    vTranspose3x8(vHorizY, tri[0].y, tri[1].y, tri[2].y);
-    vTranspose3x8(vHorizZ, tri[0].z, tri[1].z, tri[2].z);
-    vTranspose3x8(vHorizW, vRecipW0, vRecipW1, vRecipW2);
-
-    // store render target array index
-    OSALIGNSIMD(uint32_t) aRTAI[KNOB_SIMD_WIDTH];
-    if (gsState.gsEnable && gsState.emitsRenderTargetArrayIndex)
-    {
-        simdvector vRtai[3];
-        pa.Assemble(VERTEX_RTAI_SLOT, vRtai);
-        simdscalari vRtaii;
-        vRtaii = _simd_castps_si(vRtai[0].x);
-        _simd_store_si((simdscalari*)aRTAI, vRtaii);
-    }
-    else
-    {
-        _simd_store_si((simdscalari*)aRTAI, _simd_setzero_si());
-    }
-
-    // scan remaining valid triangles and bin each separately
-    while (_BitScanForward(&triIndex, triMask))
-    {
-        uint32_t linkageCount = state.backendState.numAttributes;
-        uint32_t numScalarAttribs = linkageCount * 4;
-
-        BE_WORK work;
-        work.type = DRAW;
-        
-        bool isDegenerate;
-        if(CT::IsConservativeT::value)
-        {
-            // only rasterize valid edges if we have a degenerate primitive
-            int32_t triEdgeEnable = (edgeEnable >> (triIndex * 3)) & ALL_EDGES_VALID;
-            work.pfnWork = GetRasterizerFunc(sampleCount, (rastState.conservativeRast > 0),
-                                        (SWR_INPUT_COVERAGE)pDC->pState->state.psState.inputCoverage, triEdgeEnable,
-                                        (state.scissorsTileAligned == false));
-
-            // Degenerate triangles are required to be constant interpolated
-            isDegenerate = (triEdgeEnable != ALL_EDGES_VALID) ? true : false;
-        }
-        else
-        {
-            isDegenerate = false;
-            work.pfnWork = pfnWork;
-        }
-
-        // Select attribute processor
-        PFN_PROCESS_ATTRIBUTES pfnProcessAttribs = GetProcessAttributesFunc(3,
-            state.backendState.swizzleEnable,  state.backendState.constantInterpolationMask, isDegenerate);
-
-        TRIANGLE_WORK_DESC &desc = work.desc.tri;
-
-        desc.triFlags.frontFacing = state.forceFront ? 1 : ((frontFaceMask >> triIndex) & 1);
-        desc.triFlags.primID = pPrimID[triIndex];
-        desc.triFlags.renderTargetArrayIndex = aRTAI[triIndex];
-        desc.triFlags.viewportIndex = pViewportIndex[triIndex];
-
-        auto pArena = pDC->pArena;
-        SWR_ASSERT(pArena != nullptr);
-
-        // store active attribs
-        float *pAttribs = (float*)pArena->AllocAligned(numScalarAttribs * 3 * sizeof(float), 16);
-        desc.pAttribs = pAttribs;
-        desc.numAttribs = linkageCount;
-        pfnProcessAttribs(pDC, pa, triIndex, pPrimID[triIndex], desc.pAttribs);
-
-        // store triangle vertex data
-        desc.pTriBuffer = (float*)pArena->AllocAligned(4 * 4 * sizeof(float), 16);
-
-        _mm_store_ps(&desc.pTriBuffer[0], vHorizX[triIndex]);
-        _mm_store_ps(&desc.pTriBuffer[4], vHorizY[triIndex]);
-        _mm_store_ps(&desc.pTriBuffer[8], vHorizZ[triIndex]);
-        _mm_store_ps(&desc.pTriBuffer[12], vHorizW[triIndex]);
-
-        // store user clip distances
-        if (rastState.clipDistanceMask)
-        {
-            uint32_t numClipDist = _mm_popcnt_u32(rastState.clipDistanceMask);
-            desc.pUserClipBuffer = (float*)pArena->Alloc(numClipDist * 3 * sizeof(float));
-            ProcessUserClipDist<3>(pa, triIndex, rastState.clipDistanceMask, desc.pUserClipBuffer);
-        }
-
-        for (uint32_t y = aMTTop[triIndex]; y <= aMTBottom[triIndex]; ++y)
-        {
-            for (uint32_t x = aMTLeft[triIndex]; x <= aMTRight[triIndex]; ++x)
-            {
-#if KNOB_ENABLE_TOSS_POINTS
-                if (!KNOB_TOSS_SETUP_TRIS)
-#endif
-                {
-                    pTileMgr->enqueue(x, y, &work);
-                }
-            }
-        }
-        triMask &= ~(1 << triIndex);
-    }
-
-endBinTriangles:
-    AR_END(FEBinTriangles, 1);
-}
-
-struct FEBinTrianglesChooser
-{
-    typedef PFN_PROCESS_PRIMS FuncType;
-
-    template <typename... ArgsB>
-    static FuncType GetFunc()
-    {
-        return BinTriangles<ConservativeRastFETraits<ArgsB...>>;
-    }
-};
-
-// Selector for correct templated BinTrinagles function
-PFN_PROCESS_PRIMS GetBinTrianglesFunc(bool IsConservative)
-{
-    return TemplateArgUnroller<FEBinTrianglesChooser>::GetFunc(IsConservative);
-}
-
-//////////////////////////////////////////////////////////////////////////
-/// @brief Bin SIMD points to the backend.  Only supports point size of 1
-/// @param pDC - pointer to draw context.
-/// @param pa - The primitive assembly object.
-/// @param workerId - thread's worker id. Even thread has a unique id.
-/// @param tri - Contains point position data for SIMDs worth of points.
-/// @param primID - Primitive ID for each point.
-void BinPoints(
-    DRAW_CONTEXT *pDC,
-    PA_STATE& pa,
-    uint32_t workerId,
-    simdvector prim[3],
-    uint32_t primMask,
-    simdscalari primID,
-    simdscalari viewportIdx)
-{
-    SWR_CONTEXT *pContext = pDC->pContext;
-
-    AR_BEGIN(FEBinPoints, pDC->drawId);
-
-    simdvector& primVerts = prim[0];
-
-    const API_STATE& state = GetApiState(pDC);
-    const SWR_FRONTEND_STATE& feState = state.frontendState;
-    const SWR_GS_STATE& gsState = state.gsState;
-    const SWR_RASTSTATE& rastState = state.rastState;
-    const uint32_t *pViewportIndex = (uint32_t *)&viewportIdx;
-
-    // Select attribute processor
-    PFN_PROCESS_ATTRIBUTES pfnProcessAttribs = GetProcessAttributesFunc(1,
-        state.backendState.swizzleEnable, state.backendState.constantInterpolationMask);
-
-    if (!feState.vpTransformDisable)
-    {
-        // perspective divide
-        simdscalar vRecipW0 = _simd_div_ps(_simd_set1_ps(1.0f), primVerts.w);
-        primVerts.x = _simd_mul_ps(primVerts.x, vRecipW0);
-        primVerts.y = _simd_mul_ps(primVerts.y, vRecipW0);
-        primVerts.z = _simd_mul_ps(primVerts.z, vRecipW0);
-
-        // viewport transform to screen coords
-        if (state.gsState.emitsViewportArrayIndex)
-        {
-            viewportTransform<1>(&primVerts, state.vpMatrices, viewportIdx);
-        }
-        else
-        {
-            viewportTransform<1>(&primVerts, state.vpMatrices);
-        }
-    }
-
-    // adjust for pixel center location
-    simdscalar offset = g_pixelOffsets[rastState.pixelLocation];
-    primVerts.x = _simd_add_ps(primVerts.x, offset);
-    primVerts.y = _simd_add_ps(primVerts.y, offset);
-
-    // convert to fixed point
-    simdscalari vXi, vYi;
-    vXi = fpToFixedPointVertical(primVerts.x);
-    vYi = fpToFixedPointVertical(primVerts.y);
-
-    if (CanUseSimplePoints(pDC))
-    {
-        // adjust for ymin-xmin rule
-        vXi = _simd_sub_epi32(vXi, _simd_set1_epi32(1));
-        vYi = _simd_sub_epi32(vYi, _simd_set1_epi32(1));
-
-        // cull points off the ymin-xmin edge of the viewport
-        primMask &= ~_simd_movemask_ps(_simd_castsi_ps(vXi));
-        primMask &= ~_simd_movemask_ps(_simd_castsi_ps(vYi));
-
-        // compute macro tile coordinates 
-        simdscalari macroX = _simd_srai_epi32(vXi, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
-        simdscalari macroY = _simd_srai_epi32(vYi, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
-
-        OSALIGNSIMD(uint32_t) aMacroX[KNOB_SIMD_WIDTH], aMacroY[KNOB_SIMD_WIDTH];
-        _simd_store_si((simdscalari*)aMacroX, macroX);
-        _simd_store_si((simdscalari*)aMacroY, macroY);
-
-        // compute raster tile coordinates
-        simdscalari rasterX = _simd_srai_epi32(vXi, KNOB_TILE_X_DIM_SHIFT + FIXED_POINT_SHIFT);
-        simdscalari rasterY = _simd_srai_epi32(vYi, KNOB_TILE_Y_DIM_SHIFT + FIXED_POINT_SHIFT);
-
-        // compute raster tile relative x,y for coverage mask
-        simdscalari tileAlignedX = _simd_slli_epi32(rasterX, KNOB_TILE_X_DIM_SHIFT);
-        simdscalari tileAlignedY = _simd_slli_epi32(rasterY, KNOB_TILE_Y_DIM_SHIFT);
-
-        simdscalari tileRelativeX = _simd_sub_epi32(_simd_srai_epi32(vXi, FIXED_POINT_SHIFT), tileAlignedX);
-        simdscalari tileRelativeY = _simd_sub_epi32(_simd_srai_epi32(vYi, FIXED_POINT_SHIFT), tileAlignedY);
-
-        OSALIGNSIMD(uint32_t) aTileRelativeX[KNOB_SIMD_WIDTH];
-        OSALIGNSIMD(uint32_t) aTileRelativeY[KNOB_SIMD_WIDTH];
-        _simd_store_si((simdscalari*)aTileRelativeX, tileRelativeX);
-        _simd_store_si((simdscalari*)aTileRelativeY, tileRelativeY);
-
-        OSALIGNSIMD(uint32_t) aTileAlignedX[KNOB_SIMD_WIDTH];
-        OSALIGNSIMD(uint32_t) aTileAlignedY[KNOB_SIMD_WIDTH];
-        _simd_store_si((simdscalari*)aTileAlignedX, tileAlignedX);
-        _simd_store_si((simdscalari*)aTileAlignedY, tileAlignedY);
-
-        OSALIGNSIMD(float) aZ[KNOB_SIMD_WIDTH];
-        _simd_store_ps((float*)aZ, primVerts.z);
-
-        // store render target array index
-        OSALIGNSIMD(uint32_t) aRTAI[KNOB_SIMD_WIDTH];
-        if (gsState.gsEnable && gsState.emitsRenderTargetArrayIndex)
-        {
-            simdvector vRtai;
-            pa.Assemble(VERTEX_RTAI_SLOT, &vRtai);
-            simdscalari vRtaii = _simd_castps_si(vRtai.x);
-            _simd_store_si((simdscalari*)aRTAI, vRtaii);
-        }
-        else
-        {
-            _simd_store_si((simdscalari*)aRTAI, _simd_setzero_si());
-        }
-
-        uint32_t *pPrimID = (uint32_t *)&primID;
-        DWORD primIndex = 0;
-
-        const SWR_BACKEND_STATE& backendState = pDC->pState->state.backendState;
-
-        // scan remaining valid triangles and bin each separately
-        while (_BitScanForward(&primIndex, primMask))
-        {
-            uint32_t linkageCount = backendState.numAttributes;
-            uint32_t numScalarAttribs = linkageCount * 4;
-
-            BE_WORK work;
-            work.type = DRAW;
-
-            TRIANGLE_WORK_DESC &desc = work.desc.tri;
-
-            // points are always front facing
-            desc.triFlags.frontFacing = 1;
-            desc.triFlags.primID = pPrimID[primIndex];
-            desc.triFlags.renderTargetArrayIndex = aRTAI[primIndex];
-            desc.triFlags.viewportIndex = pViewportIndex[primIndex];
-
-            work.pfnWork = RasterizeSimplePoint;
-
-            auto pArena = pDC->pArena;
-            SWR_ASSERT(pArena != nullptr);
-
-            // store attributes
-            float *pAttribs = (float*)pArena->AllocAligned(3 * numScalarAttribs * sizeof(float), 16);
-            desc.pAttribs = pAttribs;
-            desc.numAttribs = linkageCount;
-
-            pfnProcessAttribs(pDC, pa, primIndex, pPrimID[primIndex], pAttribs);
-
-            // store raster tile aligned x, y, perspective correct z
-            float *pTriBuffer = (float*)pArena->AllocAligned(4 * sizeof(float), 16);
-            desc.pTriBuffer = pTriBuffer;
-            *(uint32_t*)pTriBuffer++ = aTileAlignedX[primIndex];
-            *(uint32_t*)pTriBuffer++ = aTileAlignedY[primIndex];
-            *pTriBuffer = aZ[primIndex];
-
-            uint32_t tX = aTileRelativeX[primIndex];
-            uint32_t tY = aTileRelativeY[primIndex];
-
-            // pack the relative x,y into the coverageMask, the rasterizer will
-            // generate the true coverage mask from it
-            work.desc.tri.triFlags.coverageMask = tX | (tY << 4);
-
-            // bin it
-            MacroTileMgr *pTileMgr = pDC->pTileMgr;
-#if KNOB_ENABLE_TOSS_POINTS
-            if (!KNOB_TOSS_SETUP_TRIS)
-#endif
-            {
-                pTileMgr->enqueue(aMacroX[primIndex], aMacroY[primIndex], &work);
-            }
-            primMask &= ~(1 << primIndex);
-        }
-    }
-    else
-    {
-        // non simple points need to be potentially binned to multiple macro tiles
-        simdscalar vPointSize;
-        if (rastState.pointParam)
-        {
-            simdvector size[3];
-            pa.Assemble(VERTEX_POINT_SIZE_SLOT, size);
-            vPointSize = size[0].x;
-        }
-        else
-        {
-            vPointSize = _simd_set1_ps(rastState.pointSize);
-        }
-
-        // bloat point to bbox
-        simdBBox bbox;
-        bbox.xmin = bbox.xmax = vXi;
-        bbox.ymin = bbox.ymax = vYi;
-
-        simdscalar vHalfWidth = _simd_mul_ps(vPointSize, _simd_set1_ps(0.5f));
-        simdscalari vHalfWidthi = fpToFixedPointVertical(vHalfWidth);
-        bbox.xmin = _simd_sub_epi32(bbox.xmin, vHalfWidthi);
-        bbox.xmax = _simd_add_epi32(bbox.xmax, vHalfWidthi);
-        bbox.ymin = _simd_sub_epi32(bbox.ymin, vHalfWidthi);
-        bbox.ymax = _simd_add_epi32(bbox.ymax, vHalfWidthi);
-
-        // Intersect with scissor/viewport. Subtract 1 ULP in x.8 fixed point since xmax/ymax edge is exclusive.
-        // Gather the AOS effective scissor rects based on the per-prim VP index.
-        /// @todo:  Look at speeding this up -- weigh against corresponding costs in rasterizer.
-        simdscalari scisXmin, scisYmin, scisXmax, scisYmax;
-        if (state.gsState.emitsViewportArrayIndex)
-        {
-            GatherScissors<KNOB_SIMD_WIDTH>::Gather(&state.scissorsInFixedPoint[0], pViewportIndex,
-                scisXmin, scisYmin, scisXmax, scisYmax);
-        }
-        else // broadcast fast path for non-VPAI case.
-        {
-            scisXmin = _simd_set1_epi32(state.scissorsInFixedPoint[0].xmin);
-            scisYmin = _simd_set1_epi32(state.scissorsInFixedPoint[0].ymin);
-            scisXmax = _simd_set1_epi32(state.scissorsInFixedPoint[0].xmax);
-            scisYmax = _simd_set1_epi32(state.scissorsInFixedPoint[0].ymax);
-        }
-
-        bbox.xmin = _simd_max_epi32(bbox.xmin, scisXmin);
-        bbox.ymin = _simd_max_epi32(bbox.ymin, scisYmin);
-        bbox.xmax = _simd_min_epi32(_simd_sub_epi32(bbox.xmax, _simd_set1_epi32(1)), scisXmax);
-        bbox.ymax = _simd_min_epi32(_simd_sub_epi32(bbox.ymax, _simd_set1_epi32(1)), scisYmax);
-
-        // Cull bloated points completely outside scissor
-        simdscalari maskOutsideScissorX = _simd_cmpgt_epi32(bbox.xmin, bbox.xmax);
-        simdscalari maskOutsideScissorY = _simd_cmpgt_epi32(bbox.ymin, bbox.ymax);
-        simdscalari maskOutsideScissorXY = _simd_or_si(maskOutsideScissorX, maskOutsideScissorY);
-        uint32_t maskOutsideScissor = _simd_movemask_ps(_simd_castsi_ps(maskOutsideScissorXY));
-        primMask = primMask & ~maskOutsideScissor;
-
-        // Convert bbox to macrotile units.
-        bbox.xmin = _simd_srai_epi32(bbox.xmin, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
-        bbox.ymin = _simd_srai_epi32(bbox.ymin, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
-        bbox.xmax = _simd_srai_epi32(bbox.xmax, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
-        bbox.ymax = _simd_srai_epi32(bbox.ymax, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
-
-        OSALIGNSIMD(uint32_t) aMTLeft[KNOB_SIMD_WIDTH], aMTRight[KNOB_SIMD_WIDTH], aMTTop[KNOB_SIMD_WIDTH], aMTBottom[KNOB_SIMD_WIDTH];
-        _simd_store_si((simdscalari*)aMTLeft, bbox.xmin);
-        _simd_store_si((simdscalari*)aMTRight, bbox.xmax);
-        _simd_store_si((simdscalari*)aMTTop, bbox.ymin);
-        _simd_store_si((simdscalari*)aMTBottom, bbox.ymax);
-
-        // store render target array index
-        OSALIGNSIMD(uint32_t) aRTAI[KNOB_SIMD_WIDTH];
-        if (gsState.gsEnable && gsState.emitsRenderTargetArrayIndex)
-        {
-            simdvector vRtai[2];
-            pa.Assemble(VERTEX_RTAI_SLOT, vRtai);
-            simdscalari vRtaii = _simd_castps_si(vRtai[0].x);
-            _simd_store_si((simdscalari*)aRTAI, vRtaii);
-        }
-        else
-        {
-            _simd_store_si((simdscalari*)aRTAI, _simd_setzero_si());
-        }
-
-        OSALIGNSIMD(float) aPointSize[KNOB_SIMD_WIDTH];
-        _simd_store_ps((float*)aPointSize, vPointSize);
-
-        uint32_t *pPrimID = (uint32_t *)&primID;
-
-        OSALIGNSIMD(float) aPrimVertsX[KNOB_SIMD_WIDTH];
-        OSALIGNSIMD(float) aPrimVertsY[KNOB_SIMD_WIDTH];
-        OSALIGNSIMD(float) aPrimVertsZ[KNOB_SIMD_WIDTH];
-
-        _simd_store_ps((float*)aPrimVertsX, primVerts.x);
-        _simd_store_ps((float*)aPrimVertsY, primVerts.y);
-        _simd_store_ps((float*)aPrimVertsZ, primVerts.z);
-
-        // scan remaining valid prims and bin each separately
-        const SWR_BACKEND_STATE& backendState = state.backendState;
-        DWORD primIndex;
-        while (_BitScanForward(&primIndex, primMask))
-        {
-            uint32_t linkageCount = backendState.numAttributes;
-            uint32_t numScalarAttribs = linkageCount * 4;
-
-            BE_WORK work;
-            work.type = DRAW;
-
-            TRIANGLE_WORK_DESC &desc = work.desc.tri;
-
-            desc.triFlags.frontFacing = 1;
-            desc.triFlags.primID = pPrimID[primIndex];
-            desc.triFlags.pointSize = aPointSize[primIndex];
-            desc.triFlags.renderTargetArrayIndex = aRTAI[primIndex];
-            desc.triFlags.viewportIndex = pViewportIndex[primIndex];
-
-            work.pfnWork = RasterizeTriPoint;
-
-            auto pArena = pDC->pArena;
-            SWR_ASSERT(pArena != nullptr);
-
-            // store active attribs
-            desc.pAttribs = (float*)pArena->AllocAligned(numScalarAttribs * 3 * sizeof(float), 16);
-            desc.numAttribs = linkageCount;
-            pfnProcessAttribs(pDC, pa, primIndex, pPrimID[primIndex], desc.pAttribs);
-
-            // store point vertex data
-            float *pTriBuffer = (float*)pArena->AllocAligned(4 * sizeof(float), 16);
-            desc.pTriBuffer = pTriBuffer;
-            *pTriBuffer++ = aPrimVertsX[primIndex];
-            *pTriBuffer++ = aPrimVertsY[primIndex];
-            *pTriBuffer = aPrimVertsZ[primIndex];
-
-            // store user clip distances
-            if (rastState.clipDistanceMask)
-            {
-                uint32_t numClipDist = _mm_popcnt_u32(rastState.clipDistanceMask);
-                desc.pUserClipBuffer = (float*)pArena->Alloc(numClipDist * 2 * sizeof(float));
-                ProcessUserClipDist<2>(pa, primIndex, rastState.clipDistanceMask, desc.pUserClipBuffer);
-            }
-
-            MacroTileMgr *pTileMgr = pDC->pTileMgr;
-            for (uint32_t y = aMTTop[primIndex]; y <= aMTBottom[primIndex]; ++y)
-            {
-                for (uint32_t x = aMTLeft[primIndex]; x <= aMTRight[primIndex]; ++x)
-                {
-#if KNOB_ENABLE_TOSS_POINTS
-                    if (!KNOB_TOSS_SETUP_TRIS)
-#endif
-                    {
-                        pTileMgr->enqueue(x, y, &work);
-                    }
-                }
-            }
-
-            primMask &= ~(1 << primIndex);
-        }
-    }
-
-    AR_END(FEBinPoints, 1);
-}
-
-//////////////////////////////////////////////////////////////////////////
-/// @brief Bin SIMD lines to the backend.
-/// @param pDC - pointer to draw context.
-/// @param pa - The primitive assembly object.
-/// @param workerId - thread's worker id. Even thread has a unique id.
-/// @param tri - Contains line position data for SIMDs worth of points.
-/// @param primID - Primitive ID for each line.
-/// @param viewportIdx - Viewport Array Index for each line.
-void BinLines(
-    DRAW_CONTEXT *pDC,
-    PA_STATE& pa,
-    uint32_t workerId,
-    simdvector prim[],
-    uint32_t primMask,
-    simdscalari primID,
-    simdscalari viewportIdx)
-{
-    SWR_CONTEXT *pContext = pDC->pContext;
-
-    AR_BEGIN(FEBinLines, pDC->drawId);
-
-    const API_STATE& state = GetApiState(pDC);
-    const SWR_RASTSTATE& rastState = state.rastState;
-    const SWR_FRONTEND_STATE& feState = state.frontendState;
-    const SWR_GS_STATE& gsState = state.gsState;
-
-    // Select attribute processor
-    PFN_PROCESS_ATTRIBUTES pfnProcessAttribs = GetProcessAttributesFunc(2,
-    state.backendState.swizzleEnable, state.backendState.constantInterpolationMask);
-
-    simdscalar vRecipW0 = _simd_set1_ps(1.0f);
-    simdscalar vRecipW1 = _simd_set1_ps(1.0f);
-
-    if (!feState.vpTransformDisable)
-    {
-        // perspective divide
-        vRecipW0 = _simd_div_ps(_simd_set1_ps(1.0f), prim[0].w);
-        vRecipW1 = _simd_div_ps(_simd_set1_ps(1.0f), prim[1].w);
-
-        prim[0].v[0] = _simd_mul_ps(prim[0].v[0], vRecipW0);
-        prim[1].v[0] = _simd_mul_ps(prim[1].v[0], vRecipW1);
-
-        prim[0].v[1] = _simd_mul_ps(prim[0].v[1], vRecipW0);
-        prim[1].v[1] = _simd_mul_ps(prim[1].v[1], vRecipW1);
-
-        prim[0].v[2] = _simd_mul_ps(prim[0].v[2], vRecipW0);
-        prim[1].v[2] = _simd_mul_ps(prim[1].v[2], vRecipW1);
-
-        // viewport transform to screen coords
-        if (state.gsState.emitsViewportArrayIndex)
-        {
-            viewportTransform<2>(prim, state.vpMatrices, viewportIdx);
-        }
-        else
-        {
-            viewportTransform<2>(prim, state.vpMatrices);
-        }
-    }
-
-    // adjust for pixel center location
-    simdscalar offset = g_pixelOffsets[rastState.pixelLocation];
-    prim[0].x = _simd_add_ps(prim[0].x, offset);
-    prim[0].y = _simd_add_ps(prim[0].y, offset);
-
-    prim[1].x = _simd_add_ps(prim[1].x, offset);
-    prim[1].y = _simd_add_ps(prim[1].y, offset);
-
-    // convert to fixed point
-    simdscalari vXi[2], vYi[2];
-    vXi[0] = fpToFixedPointVertical(prim[0].x);
-    vYi[0] = fpToFixedPointVertical(prim[0].y);
-    vXi[1] = fpToFixedPointVertical(prim[1].x);
-    vYi[1] = fpToFixedPointVertical(prim[1].y);
-
-    // compute x-major vs y-major mask
-    simdscalari xLength = _simd_abs_epi32(_simd_sub_epi32(vXi[0], vXi[1]));
-    simdscalari yLength = _simd_abs_epi32(_simd_sub_epi32(vYi[0], vYi[1]));
-    simdscalar vYmajorMask = _simd_castsi_ps(_simd_cmpgt_epi32(yLength, xLength));
-    uint32_t yMajorMask = _simd_movemask_ps(vYmajorMask);
-
-    // cull zero-length lines
-    simdscalari vZeroLengthMask = _simd_cmpeq_epi32(xLength, _simd_setzero_si());
-    vZeroLengthMask = _simd_and_si(vZeroLengthMask, _simd_cmpeq_epi32(yLength, _simd_setzero_si()));
-
-    primMask &= ~_simd_movemask_ps(_simd_castsi_ps(vZeroLengthMask));
-
-    uint32_t *pPrimID = (uint32_t *)&primID;
-    const uint32_t *pViewportIndex = (uint32_t *)&viewportIdx;
-
-    simdscalar vUnused = _simd_setzero_ps();
-
-    // Calc bounding box of lines
-    simdBBox bbox;
-    bbox.xmin = _simd_min_epi32(vXi[0], vXi[1]);
-    bbox.xmax = _simd_max_epi32(vXi[0], vXi[1]);
-    bbox.ymin = _simd_min_epi32(vYi[0], vYi[1]);
-    bbox.ymax = _simd_max_epi32(vYi[0], vYi[1]);
-
-    // bloat bbox by line width along minor axis
-    simdscalar vHalfWidth = _simd_set1_ps(rastState.lineWidth / 2.0f);
-    simdscalari vHalfWidthi = fpToFixedPointVertical(vHalfWidth);
-    simdBBox bloatBox;
-    bloatBox.xmin = _simd_sub_epi32(bbox.xmin, vHalfWidthi);
-    bloatBox.xmax = _simd_add_epi32(bbox.xmax, vHalfWidthi);
-    bloatBox.ymin = _simd_sub_epi32(bbox.ymin, vHalfWidthi);
-    bloatBox.ymax = _simd_add_epi32(bbox.ymax, vHalfWidthi);
-
-    bbox.xmin = _simd_blendv_epi32(bbox.xmin, bloatBox.xmin, vYmajorMask);
-    bbox.xmax = _simd_blendv_epi32(bbox.xmax, bloatBox.xmax, vYmajorMask);
-    bbox.ymin = _simd_blendv_epi32(bloatBox.ymin, bbox.ymin, vYmajorMask);
-    bbox.ymax = _simd_blendv_epi32(bloatBox.ymax, bbox.ymax, vYmajorMask);
-
-    // Intersect with scissor/viewport. Subtract 1 ULP in x.8 fixed point since xmax/ymax edge is exclusive.
-    simdscalari scisXmin, scisYmin, scisXmax, scisYmax;
-    if (state.gsState.emitsViewportArrayIndex)
-    {
-        GatherScissors<KNOB_SIMD_WIDTH>::Gather(&state.scissorsInFixedPoint[0], pViewportIndex,
-            scisXmin, scisYmin, scisXmax, scisYmax);
-    }
-    else // broadcast fast path for non-VPAI case.
-    {
-        scisXmin = _simd_set1_epi32(state.scissorsInFixedPoint[0].xmin);
-        scisYmin = _simd_set1_epi32(state.scissorsInFixedPoint[0].ymin);
-        scisXmax = _simd_set1_epi32(state.scissorsInFixedPoint[0].xmax);
-        scisYmax = _simd_set1_epi32(state.scissorsInFixedPoint[0].ymax);
-    }
-
-    bbox.xmin = _simd_max_epi32(bbox.xmin, scisXmin);
-    bbox.ymin = _simd_max_epi32(bbox.ymin, scisYmin);
-    bbox.xmax = _simd_min_epi32(_simd_sub_epi32(bbox.xmax, _simd_set1_epi32(1)), scisXmax);
-    bbox.ymax = _simd_min_epi32(_simd_sub_epi32(bbox.ymax, _simd_set1_epi32(1)), scisYmax);
-
-    // Cull prims completely outside scissor
-    {
-        simdscalari maskOutsideScissorX = _simd_cmpgt_epi32(bbox.xmin, bbox.xmax);
-        simdscalari maskOutsideScissorY = _simd_cmpgt_epi32(bbox.ymin, bbox.ymax);
-        simdscalari maskOutsideScissorXY = _simd_or_si(maskOutsideScissorX, maskOutsideScissorY);
-        uint32_t maskOutsideScissor = _simd_movemask_ps(_simd_castsi_ps(maskOutsideScissorXY));
-        primMask = primMask & ~maskOutsideScissor;
-    }
-
-    if (!primMask)
-    {
-        goto endBinLines;
-    }
-
-    // Convert triangle bbox to macrotile units.
-    bbox.xmin = _simd_srai_epi32(bbox.xmin, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
-    bbox.ymin = _simd_srai_epi32(bbox.ymin, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
-    bbox.xmax = _simd_srai_epi32(bbox.xmax, KNOB_MACROTILE_X_DIM_FIXED_SHIFT);
-    bbox.ymax = _simd_srai_epi32(bbox.ymax, KNOB_MACROTILE_Y_DIM_FIXED_SHIFT);
-
-    OSALIGNSIMD(uint32_t) aMTLeft[KNOB_SIMD_WIDTH], aMTRight[KNOB_SIMD_WIDTH], aMTTop[KNOB_SIMD_WIDTH], aMTBottom[KNOB_SIMD_WIDTH];
-    _simd_store_si((simdscalari*)aMTLeft, bbox.xmin);
-    _simd_store_si((simdscalari*)aMTRight, bbox.xmax);
-    _simd_store_si((simdscalari*)aMTTop, bbox.ymin);
-    _simd_store_si((simdscalari*)aMTBottom, bbox.ymax);
-
-    // transpose verts needed for backend
-    /// @todo modify BE to take non-transformed verts
-    __m128 vHorizX[8], vHorizY[8], vHorizZ[8], vHorizW[8];
-    vTranspose3x8(vHorizX, prim[0].x, prim[1].x, vUnused);
-    vTranspose3x8(vHorizY, prim[0].y, prim[1].y, vUnused);
-    vTranspose3x8(vHorizZ, prim[0].z, prim[1].z, vUnused);
-    vTranspose3x8(vHorizW, vRecipW0, vRecipW1, vUnused);
-
-    // store render target array index
-    OSALIGNSIMD(uint32_t) aRTAI[KNOB_SIMD_WIDTH];
-    if (gsState.gsEnable && gsState.emitsRenderTargetArrayIndex)
-    {
-        simdvector vRtai[2];
-        pa.Assemble(VERTEX_RTAI_SLOT, vRtai);
-        simdscalari vRtaii = _simd_castps_si(vRtai[0].x);
-        _simd_store_si((simdscalari*)aRTAI, vRtaii);
-    }
-    else
-    {
-        _simd_store_si((simdscalari*)aRTAI, _simd_setzero_si());
-    }
-
-    // scan remaining valid prims and bin each separately
-    DWORD primIndex;
-    while (_BitScanForward(&primIndex, primMask))
-    {
-        uint32_t linkageCount = state.backendState.numAttributes;
-        uint32_t numScalarAttribs = linkageCount * 4;
-
-        BE_WORK work;
-        work.type = DRAW;
-
-        TRIANGLE_WORK_DESC &desc = work.desc.tri;
-
-        desc.triFlags.frontFacing = 1;
-        desc.triFlags.primID = pPrimID[primIndex];
-        desc.triFlags.yMajor = (yMajorMask >> primIndex) & 1;
-        desc.triFlags.renderTargetArrayIndex = aRTAI[primIndex];
-        desc.triFlags.viewportIndex = pViewportIndex[primIndex];
-
-        work.pfnWork = RasterizeLine;
-
-        auto pArena = pDC->pArena;
-        SWR_ASSERT(pArena != nullptr);
-
-        // store active attribs
-        desc.pAttribs = (float*)pArena->AllocAligned(numScalarAttribs * 3 * sizeof(float), 16);
-        desc.numAttribs = linkageCount;
-        pfnProcessAttribs(pDC, pa, primIndex, pPrimID[primIndex], desc.pAttribs);
-
-        // store line vertex data
-        desc.pTriBuffer = (float*)pArena->AllocAligned(4 * 4 * sizeof(float), 16);
-        _mm_store_ps(&desc.pTriBuffer[0], vHorizX[primIndex]);
-        _mm_store_ps(&desc.pTriBuffer[4], vHorizY[primIndex]);
-        _mm_store_ps(&desc.pTriBuffer[8], vHorizZ[primIndex]);
-        _mm_store_ps(&desc.pTriBuffer[12], vHorizW[primIndex]);
-
-        // store user clip distances
-        if (rastState.clipDistanceMask)
-        {
-            uint32_t numClipDist = _mm_popcnt_u32(rastState.clipDistanceMask);
-            desc.pUserClipBuffer = (float*)pArena->Alloc(numClipDist * 2 * sizeof(float));
-            ProcessUserClipDist<2>(pa, primIndex, rastState.clipDistanceMask, desc.pUserClipBuffer);
-        }
-
-        MacroTileMgr *pTileMgr = pDC->pTileMgr;
-        for (uint32_t y = aMTTop[primIndex]; y <= aMTBottom[primIndex]; ++y)
-        {
-            for (uint32_t x = aMTLeft[primIndex]; x <= aMTRight[primIndex]; ++x)
-            {
-#if KNOB_ENABLE_TOSS_POINTS
-                if (!KNOB_TOSS_SETUP_TRIS)
-#endif
-                {
-                    pTileMgr->enqueue(x, y, &work);
-                }
-            }
-        }
-
-        primMask &= ~(1 << primIndex);
-    }
-
-endBinLines:
-
-    AR_END(FEBinLines, 1);
-}
+}
\ No newline at end of file