Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/opensubdiv-source/opensubdiv/far/patchBasis.h

@@ -0,0 +1,93 @@
+//
+//   Copyright 2013 Pixar
+//
+//   Licensed under the terms set forth in the LICENSE.txt file available at
+//   https://opensubdiv.org/license.
+//
+
+#ifndef OPENSUBDIV3_FAR_PATCH_BASIS_H
+#define OPENSUBDIV3_FAR_PATCH_BASIS_H
+
+#include "../version.h"
+
+#include "../far/patchParam.h"
+
+namespace OpenSubdiv {
+namespace OPENSUBDIV_VERSION {
+
+namespace Far {
+namespace internal {
+
+//
+// XXXX barfowl:  These functions are being kept internal while more complete
+// underlying support for all patch types is being worked out.  The set of
+// bases supported here is actually larger than PatchDescriptor::Type -- with
+// Bezier available for internal use.  A new and more complete set of types
+// is warranted (without the non-patch types associated with PatchDescriptor)
+// along with an interface to query properties associated with them.
+//
+// Note that with the high-level functions here that operate on all patch
+// types, it is not strictly necessary to expose the low-level methods in
+// currant usage.
+//
+
+//
+// Low-level basis evaluation (normalized, unscaled) for quad patch types:
+//
+template <typename REAL>
+int EvalBasisLinear(REAL s, REAL t,
+    REAL wP[4], REAL wDs[4] = 0, REAL wDt[4] = 0, REAL wDss[4] = 0, REAL wDst[4] = 0, REAL wDtt[4] = 0);
+
+template <typename REAL>
+int EvalBasisBezier(REAL s, REAL t,
+    REAL wP[16], REAL wDs[16] = 0, REAL wDt[16] = 0, REAL wDss[16] = 0, REAL wDst[16] = 0, REAL wDtt[16] = 0);
+
+template <typename REAL>
+int EvalBasisBSpline(REAL s, REAL t,
+    REAL wP[16], REAL wDs[16] = 0, REAL wDt[16] = 0, REAL wDss[16] = 0, REAL wDst[16] = 0, REAL wDtt[16] = 0);
+
+template <typename REAL>
+int EvalBasisGregory(REAL s, REAL t,
+    REAL wP[20], REAL wDs[20] = 0, REAL wDt[20] = 0, REAL wDss[20] = 0, REAL wDst[20] = 0, REAL wDtt[20] = 0);
+
+//
+// Low-level basis evaluation (normalized, unscaled) for triangular patch types:
+//
+template <typename REAL>
+int EvalBasisLinearTri(REAL s, REAL t,
+    REAL wP[3], REAL wDs[3] = 0, REAL wDt[3] = 0, REAL wDss[3] = 0, REAL wDst[3] = 0, REAL wDtt[3] = 0);
+
+template <typename REAL>
+int EvalBasisBezierTri(REAL s, REAL t,
+    REAL wP[15], REAL wDs[15] = 0, REAL wDt[15] = 0, REAL wDss[15] = 0, REAL wDst[15] = 0, REAL wDtt[15] = 0);
+
+template <typename REAL>
+int EvalBasisBoxSplineTri(REAL s, REAL t,
+    REAL wP[12], REAL wDs[12] = 0, REAL wDt[12] = 0, REAL wDss[12] = 0, REAL wDst[12] = 0, REAL wDtt[12] = 0);
+
+template <typename REAL>
+int EvalBasisGregoryTri(REAL s, REAL t,
+    REAL wP[18], REAL wDs[18] = 0, REAL wDt[18] = 0, REAL wDss[18] = 0, REAL wDst[18] = 0, REAL wDtt[18] = 0);
+
+
+//
+// High-level basis evaluation for all types using PatchParam:
+//
+template <typename REAL>
+int EvaluatePatchBasisNormalized(int patchType, PatchParam const & param, REAL s, REAL t,
+    REAL wP[], REAL wDs[] = 0, REAL wDt[] = 0, REAL wDss[] = 0, REAL wDst[] = 0, REAL wDtt[] = 0);
+
+template <typename REAL>
+int EvaluatePatchBasis(int patchType, PatchParam const & param, REAL s, REAL t,
+    REAL wP[], REAL wDs[] = 0, REAL wDt[] = 0, REAL wDss[] = 0, REAL wDst[] = 0, REAL wDtt[] = 0);
+
+
+} // end namespace internal
+} // end namespace Far
+
+} // end namespace OPENSUBDIV_VERSION
+using namespace OPENSUBDIV_VERSION;
+
+} // end namespace OpenSubdiv
+
+#endif /* OPENSUBDIV3_FAR_PATCH_BASIS_H */