mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-12-05 01:10:05 +00:00
ff34c514f5
This updates the patch basis evaluation functions in Osd to match recent changes to far/patchBasis. This also exposes a common facility for dealing with PatchCoord, PatchArray, and PatchParam. These are exposed as global functions operating on struct data, since C++ style class methods are not supported by all of the Osd shader and kernel execution envirionments. Changes: - Merged far/patchBasis.cpp to osd/patchBasisCommon{,Types,Eval}.h - Exposed PatchCoord, PatchArray, and PatchParam to Osd kernels - exposed OsdEvaluatePatchBasis and OsdEvaluatePatchBasisNormalized - Updated CPU, TBB, Omp, CUDA, OpenCL, GLSL, HLSL, and Metal evaluators - Updated glFVarViewer
157 lines
6.7 KiB
Plaintext
157 lines
6.7 KiB
Plaintext
//
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// Copyright 2013 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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#include "../osd/mtlPatchShaderSource.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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#include <TargetConditionals.h>
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Osd {
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static std::string commonShaderSource(
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#include "mtlPatchCommon.gen.h"
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);
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static std::string patchBasisTypesShaderSource(
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#include "patchBasisCommonTypes.gen.h"
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);
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static std::string patchBasisShaderSource(
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#include "patchBasisCommon.gen.h"
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);
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static std::string patchBasisEvalShaderSource(
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#include "patchBasisCommonEval.gen.h"
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);
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static std::string bsplineShaderSource(
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#include "mtlPatchBSpline.gen.h"
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);
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static std::string gregoryShaderSource(
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#include "mtlPatchGregory.gen.h"
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);
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static std::string gregoryBasisShaderSource(
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#include "mtlPatchGregoryBasis.gen.h"
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);
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static std::string GetPatchTypeDefine(Far::PatchDescriptor::Type type,
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Far::PatchDescriptor::Type fvarType) {
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std::stringstream ss;
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switch(type) {
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case Far::PatchDescriptor::LINES: ss << "#define OSD_PATCH_LINES 1\n"; break;
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case Far::PatchDescriptor::TRIANGLES: ss << "#define OSD_PATCH_TRIANGLES 1\n"; break;
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case Far::PatchDescriptor::QUADS: ss << "#define OSD_PATCH_QUADS 1\n"; break;
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case Far::PatchDescriptor::REGULAR: ss << "#define OSD_PATCH_BSPLINE 1\n#define OSD_PATCH_REGULAR 1\n"; break;
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case Far::PatchDescriptor::GREGORY: ss << "#define OSD_PATCH_GREGORY 1\n"; break;
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case Far::PatchDescriptor::GREGORY_BOUNDARY: ss << "#define OSD_PATCH_GREGORY_BOUNDRY 1\n"; break;
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case Far::PatchDescriptor::GREGORY_BASIS: ss << "#define OSD_PATCH_GREGORY_BASIS 1\n"; break;
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default:
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assert("Unknown Far::PatchDescriptor::Type" && 0);
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return "";
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}
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switch(fvarType) {
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case Far::PatchDescriptor::REGULAR: ss << "#define OSD_FACEVARYING_PATCH_REGULAR 1\n"; break;
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case Far::PatchDescriptor::GREGORY_BASIS: ss << "#define OSD_FACEVARYING_PATCH_GREGORY_BASIS 1\n"; break;
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default:
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return ss.str();
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}
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return ss.str();
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}
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static std::string GetPatchTypeSource(Far::PatchDescriptor::Type type) {
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switch(type) {
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case Far::PatchDescriptor::QUADS: return "";
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case Far::PatchDescriptor::REGULAR: return bsplineShaderSource;
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case Far::PatchDescriptor::GREGORY: return gregoryShaderSource;
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case Far::PatchDescriptor::GREGORY_BOUNDARY: return gregoryShaderSource;
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case Far::PatchDescriptor::GREGORY_BASIS: return gregoryBasisShaderSource;
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default:
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assert("Unknown Far::PatchDescriptor::Type" && 0);
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return "";
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}
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}
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/*static*/
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std::string
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MTLPatchShaderSource::GetCommonShaderSource() {
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#if TARGET_OS_IOS || TARGET_OS_TV
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return std::string("#define OSD_METAL_IOS 1\n").append(commonShaderSource);
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#elif TARGET_OS_OSX
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return std::string("#define OSD_METAL_OSX 1\n").append(commonShaderSource);
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#endif
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}
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/*static*/
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std::string
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MTLPatchShaderSource::GetPatchBasisShaderSource() {
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std::stringstream ss;
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ss << "#define OSD_PATCH_BASIS_METAL 1\n";
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#if defined(OPENSUBDIV_GREGORY_EVAL_TRUE_DERIVATIVES)
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ss << "#define OPENSUBDIV_GREGORY_EVAL_TRUE_DERIVATIVES 1\n";
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#endif
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ss << patchBasisTypesShaderSource;
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ss << patchBasisShaderSource;
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ss << patchBasisEvalShaderSource;
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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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MTLPatchShaderSource::GetVertexShaderSource(Far::PatchDescriptor::Type type,
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Far::PatchDescriptor::Type fvarType) {
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std::stringstream ss;
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ss << GetPatchTypeDefine(type, fvarType);
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ss << GetCommonShaderSource();
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ss << GetPatchTypeSource(type);
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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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MTLPatchShaderSource::GetHullShaderSource(Far::PatchDescriptor::Type type,
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Far::PatchDescriptor::Type fvarType) {
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std::stringstream ss;
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ss << GetPatchTypeDefine(type, fvarType);
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ss << GetCommonShaderSource();
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ss << GetPatchTypeSource(type);
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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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MTLPatchShaderSource::GetDomainShaderSource(Far::PatchDescriptor::Type type,
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Far::PatchDescriptor::Type fvarType) {
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std::stringstream ss;
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ss << GetPatchTypeDefine(type, fvarType);
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ss << GetCommonShaderSource();
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ss << GetPatchTypeSource(type);
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return ss.str();
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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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