Mesa (master): swr: [rasterizer core] Removed unused clip code.

[Tim Rowley]

Module: Mesa
Branch: master
Commit: 11d6f836d096c433b08fd1b95f8b5034392450c2
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=11d6f836d096c433b08fd1b95f8b5034392450c2

Author: Bruce Cherniak <bruce.cherniak at intel.com>
Date:   Fri Feb  3 11:35:59 2017 -0600

swr: [rasterizer core] Removed unused clip code.

Removed unused Clip() and FRUSTUM_CLIP_MASK define.

Reviewed-by: Tim Rowley <timothy.o.rowley at intel.com>

---

 src/gallium/drivers/swr/rasterizer/core/clip.cpp | 22 ----------------------
 src/gallium/drivers/swr/rasterizer/core/clip.h   |  4 ----
 2 files changed, 26 deletions(-)

diff --git a/src/gallium/drivers/swr/rasterizer/core/clip.cpp b/src/gallium/drivers/swr/rasterizer/core/clip.cpp
index 7b1e09d..0a6afe5 100644
--- a/src/gallium/drivers/swr/rasterizer/core/clip.cpp
+++ b/src/gallium/drivers/swr/rasterizer/core/clip.cpp
@@ -157,28 +157,6 @@ int ClipTriToPlane( const float *pInPts, int numInPts,
     return i;
 }
 
-
-
-void Clip(const float *pTriangle, const float *pAttribs, int numAttribs, float *pOutTriangles, int *numVerts, float *pOutAttribs)
-{
-    // temp storage to hold at least 6 sets of vertices, the max number that can be created during clipping
-    OSALIGNSIMD(float) tempPts[6 * 4];
-    OSALIGNSIMD(float) tempAttribs[6 * KNOB_NUM_ATTRIBUTES * 4];
-
-    // we opt to clip to viewport frustum to produce smaller triangles for rasterization precision
-    int NumOutPts = ClipTriToPlane<FRUSTUM_NEAR>(pTriangle, 3, pAttribs, numAttribs, tempPts, tempAttribs);
-    NumOutPts = ClipTriToPlane<FRUSTUM_FAR>(tempPts, NumOutPts, tempAttribs, numAttribs, pOutTriangles, pOutAttribs);
-    NumOutPts = ClipTriToPlane<FRUSTUM_LEFT>(pOutTriangles, NumOutPts, pOutAttribs, numAttribs, tempPts, tempAttribs);
-    NumOutPts = ClipTriToPlane<FRUSTUM_RIGHT>(tempPts, NumOutPts, tempAttribs, numAttribs, pOutTriangles, pOutAttribs);
-    NumOutPts = ClipTriToPlane<FRUSTUM_BOTTOM>(pOutTriangles, NumOutPts, pOutAttribs, numAttribs, tempPts, tempAttribs);
-    NumOutPts = ClipTriToPlane<FRUSTUM_TOP>(tempPts, NumOutPts, tempAttribs, numAttribs, pOutTriangles, pOutAttribs);
-
-    SWR_ASSERT(NumOutPts <= 6);
-
-    *numVerts = NumOutPts;
-    return;
-}
-
 void ClipTriangles(DRAW_CONTEXT *pDC, PA_STATE& pa, uint32_t workerId, simdvector prims[], uint32_t primMask, simdscalari primId, simdscalari viewportIdx)
 {
     SWR_CONTEXT *pContext = pDC->pContext;
diff --git a/src/gallium/drivers/swr/rasterizer/core/clip.h b/src/gallium/drivers/swr/rasterizer/core/clip.h
index f19858f..23a768f 100644
--- a/src/gallium/drivers/swr/rasterizer/core/clip.h
+++ b/src/gallium/drivers/swr/rasterizer/core/clip.h
@@ -56,12 +56,8 @@ enum SWR_CLIPCODES
     GUARDBAND_BOTTOM = (0x80 << CLIPCODE_SHIFT | 0x8)
 };
 
-#define FRUSTUM_CLIP_MASK (FRUSTUM_LEFT|FRUSTUM_TOP|FRUSTUM_RIGHT|FRUSTUM_BOTTOM|FRUSTUM_NEAR|FRUSTUM_FAR)
 #define GUARDBAND_CLIP_MASK (FRUSTUM_NEAR|FRUSTUM_FAR|GUARDBAND_LEFT|GUARDBAND_TOP|GUARDBAND_RIGHT|GUARDBAND_BOTTOM|NEGW)
 
-void Clip(const float *pTriangle, const float *pAttribs, int numAttribs, float *pOutTriangles, 
-          int *numVerts, float *pOutAttribs);
-
 INLINE
 void ComputeClipCodes(const API_STATE& state, const simdvector& vertex, simdscalar& clipCodes, simdscalari viewportIndexes)
 {