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utils.h
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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 GLF_UTILS_H
25 #define GLF_UTILS_H
26 
28 
29 #include "pxr/pxr.h"
30 #include "pxr/imaging/garch/gl.h"
31 
32 #include <string>
33 
34 PXR_NAMESPACE_OPEN_SCOPE
35 
36 
43 int GlfGetNumElements(GLenum format);
44 
51 int GlfGetElementSize(GLenum type);
52 
57 bool GlfCheckGLFrameBufferStatus(GLuint target, std::string * reason);
58 
63 bool GlfIsCompressedFormat(GLenum format);
64 
69 size_t GlfGetCompressedTextureSize(int width, int height, GLenum format, GLenum type);
70 
71 
72 PXR_NAMESPACE_CLOSE_SCOPE
73 
74 #endif
bool GlfIsCompressedFormat(GLenum format)
Check if the format is compressed.
bool GlfCheckGLFrameBufferStatus(GLuint target, std::string *reason)
Checks the valitidy of a GL framebuffer.
int GlfGetNumElements(GLenum format)
Number of elements.
int GlfGetElementSize(GLenum type)
Byte size of a GL type.
size_t GlfGetCompressedTextureSize(int width, int height, GLenum format, GLenum type)
Calculate the byte size of compressed textures.