1 //
2 // Copyright 2019 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_HGI_GL_TEXTURE_H
25 #define PXR_IMAGING_HGI_GL_TEXTURE_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hgiGL/api.h"
29 #include "pxr/imaging/hgi/texture.h"
30 
31 
32 PXR_NAMESPACE_OPEN_SCOPE
33 
34 /// \class HgiGLTexture
35 ///
36 /// Represents a OpenGL GPU texture resource.
37 ///
38 class HgiGLTexture final : public HgiTexture
39 {
40 public:
41     HGIGL_API
42     ~HgiGLTexture() override;
43 
44     HGIGL_API
45     size_t GetByteSizeOfResource() const override;
46 
47     HGIGL_API
48     uint64_t GetRawResource() const override;
49 
50     /// Returns the OpenGL id / name of the texture.
GetTextureId()51     uint32_t GetTextureId() const {return _textureId;}
52 
53     /// Returns the bindless gpu handle (caller must verify extension support)
54     HGIGL_API
55     uint64_t GetBindlessHandle();
56 
57 protected:
58     friend class HgiGL;
59 
60     HGIGL_API
61     HgiGLTexture(HgiTextureDesc const & desc);
62 
63     HGIGL_API
64     HgiGLTexture(HgiTextureViewDesc const & desc);
65 
66 private:
67     HgiGLTexture() = delete;
68     HgiGLTexture & operator=(const HgiGLTexture&) = delete;
69     HgiGLTexture(const HgiGLTexture&) = delete;
70 
71     uint32_t _textureId;
72     uint64_t _bindlessHandle;
73 };
74 
75 
76 PXR_NAMESPACE_CLOSE_SCOPE
77 
78 #endif
79