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workinf_Blender_Wasm/blender-5.2.0/extern/opensubdiv-source/opensubdiv/osd/hlslPatchShaderSource.cpp
2026-08-12 04:47:48 -04:00

153 lines
4.4 KiB
C++

//
// Copyright 2015 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://opensubdiv.org/license.
//
#include "../osd/hlslPatchShaderSource.h"
#include "../far/error.h"
#include <sstream>
#include <string>
namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {
namespace Osd {
static const char *commonShaderSource =
#include "hlslPatchCommon.gen.h"
;
static const char *commonTessShaderSource =
#include "hlslPatchCommonTess.gen.h"
;
static const char *patchLegacyShaderSource =
#include "hlslPatchLegacy.gen.h"
;
static const char *patchBasisTypesShaderSource =
#include "patchBasisTypes.gen.h"
;
static const char *patchBasisShaderSource =
#include "patchBasis.gen.h"
;
static const char *boxSplineTriangleShaderSource =
#include "hlslPatchBoxSplineTriangle.gen.h"
;
static const char *bsplineShaderSource =
#include "hlslPatchBSpline.gen.h"
;
static const char *gregoryShaderSource =
#include "hlslPatchGregory.gen.h"
;
static const char *gregoryBasisShaderSource =
#include "hlslPatchGregoryBasis.gen.h"
;
static const char *gregoryTriangleShaderSource =
#include "hlslPatchGregoryTriangle.gen.h"
;
/*static*/
std::string
HLSLPatchShaderSource::GetPatchDrawingShaderSource() {
std::stringstream ss;
ss << std::string(commonShaderSource);
ss << std::string(commonTessShaderSource);
return ss.str();
}
/*static*/
std::string
HLSLPatchShaderSource::GetCommonShaderSource() {
std::stringstream ss;
ss << GetPatchDrawingShaderSource();
ss << std::string(patchLegacyShaderSource);
return ss.str();
}
/*static*/
std::string
HLSLPatchShaderSource::GetPatchBasisShaderSource() {
std::stringstream ss;
#if defined(OPENSUBDIV_GREGORY_EVAL_TRUE_DERIVATIVES)
ss << "#define OPENSUBDIV_GREGORY_EVAL_TRUE_DERIVATIVES\n";
#endif
ss << std::string(patchBasisTypesShaderSource);
ss << std::string(patchBasisShaderSource);
return ss.str();
}
/*static*/
std::string
HLSLPatchShaderSource::GetVertexShaderSource(Far::PatchDescriptor::Type type) {
switch (type) {
case Far::PatchDescriptor::REGULAR:
return bsplineShaderSource;
case Far::PatchDescriptor::LOOP:
return boxSplineTriangleShaderSource;
case Far::PatchDescriptor::GREGORY:
return gregoryShaderSource;
case Far::PatchDescriptor::GREGORY_BOUNDARY:
return std::string("#define OSD_PATCH_GREGORY_BOUNDRY\n")
+ std::string(gregoryShaderSource);
case Far::PatchDescriptor::GREGORY_BASIS:
return gregoryBasisShaderSource;
case Far::PatchDescriptor::GREGORY_TRIANGLE:
return gregoryTriangleShaderSource;
default:
break; // returns empty (points, lines, quads, ...)
}
return std::string();
}
/*static*/
std::string
HLSLPatchShaderSource::GetHullShaderSource(Far::PatchDescriptor::Type type) {
switch (type) {
case Far::PatchDescriptor::REGULAR:
return bsplineShaderSource;
case Far::PatchDescriptor::LOOP:
return boxSplineTriangleShaderSource;
case Far::PatchDescriptor::GREGORY:
return gregoryShaderSource;
case Far::PatchDescriptor::GREGORY_BOUNDARY:
return std::string("#define OSD_PATCH_GREGORY_BOUNDRY\n")
+ std::string(gregoryShaderSource);
case Far::PatchDescriptor::GREGORY_BASIS:
return gregoryBasisShaderSource;
case Far::PatchDescriptor::GREGORY_TRIANGLE:
return gregoryTriangleShaderSource;
default:
break; // returns empty (points, lines, quads, ...)
}
return std::string();
}
/*static*/
std::string
HLSLPatchShaderSource::GetDomainShaderSource(Far::PatchDescriptor::Type type) {
switch (type) {
case Far::PatchDescriptor::REGULAR:
return bsplineShaderSource;
case Far::PatchDescriptor::LOOP:
return boxSplineTriangleShaderSource;
case Far::PatchDescriptor::GREGORY:
return gregoryShaderSource;
case Far::PatchDescriptor::GREGORY_BOUNDARY:
return std::string("#define OSD_PATCH_GREGORY_BOUNDRY\n")
+ std::string(gregoryShaderSource);
case Far::PatchDescriptor::GREGORY_BASIS:
return gregoryBasisShaderSource;
case Far::PatchDescriptor::GREGORY_TRIANGLE:
return gregoryTriangleShaderSource;
default:
break; // returns empty (points, lines, quads, ...)
}
return std::string();
}
} // end namespace Osd
} // end namespace OPENSUBDIV_VERSION
} // end namespace OpenSubdiv