1 // 2 // Copyright 2016 Pixar 3 // 4 // Licensed under the Apache License, Version 2.0 (the "Apache License") 5 // with the following modification; you may not use this file except in 6 // compliance with the Apache License and the following modification to it: 7 // Section 6. Trademarks. is deleted and replaced with: 8 // 9 // 6. Trademarks. This License does not grant permission to use the trade 10 // names, trademarks, service marks, or product names of the Licensor 11 // and its affiliates, except as required to comply with Section 4(c) of 12 // the License and to reproduce the content of the NOTICE file. 13 // 14 // You may obtain a copy of the Apache License at 15 // 16 // http://www.apache.org/licenses/LICENSE-2.0 17 // 18 // Unless required by applicable law or agreed to in writing, software 19 // distributed under the Apache License with the above modification is 20 // distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 21 // KIND, either express or implied. See the Apache License for the specific 22 // language governing permissions and limitations under the Apache License. 23 // 24 #ifndef PXR_IMAGING_HD_ST_GL_CONVERSIONS_H 25 #define PXR_IMAGING_HD_ST_GL_CONVERSIONS_H 26 27 #include "pxr/pxr.h" 28 #include "pxr/imaging/hdSt/api.h" 29 #include "pxr/imaging/hd/enums.h" 30 #include "pxr/imaging/hd/types.h" 31 #include "pxr/imaging/hio/types.h" 32 #include "pxr/base/tf/token.h" 33 34 PXR_NAMESPACE_OPEN_SCOPE 35 36 37 class HdStGLConversions { 38 public: 39 HDST_API 40 static GLenum GetGlDepthFunc(HdCompareFunction func); 41 42 HDST_API 43 static GLenum GetGlStencilFunc(HdCompareFunction func); 44 45 HDST_API 46 static GLenum GetGlStencilOp(HdStencilOp op); 47 48 HDST_API 49 static GLenum GetGlBlendOp(HdBlendOp op); 50 51 HDST_API 52 static GLenum GetGlBlendFactor(HdBlendFactor factor); 53 54 HDST_API 55 static int GetGLAttribType(HdType type); 56 57 /// Return the name of the given type as represented in GLSL. 58 HDST_API 59 static TfToken GetGLSLTypename(HdType type); 60 61 /// Return a GLSL-safe, mangled name identifier. 62 HDST_API 63 static TfToken GetGLSLIdentifier(TfToken const& identifier); 64 }; 65 66 67 PXR_NAMESPACE_CLOSE_SCOPE 68 69 #endif // PXR_IMAGING_HD_ST_GL_CONVERSIONS_H 70