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