1 //
2 // Copyright 2020 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_VULKAN_RESOURCEBINDINGS_H
25 #define PXR_IMAGING_HGI_VULKAN_RESOURCEBINDINGS_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hgi/resourceBindings.h"
29 #include "pxr/imaging/hgiVulkan/api.h"
30 #include "pxr/imaging/hgiVulkan/vulkan.h"
31 
32 
33 PXR_NAMESPACE_OPEN_SCOPE
34 
35 class HgiVulkanDevice;
36 
37 
38 ///
39 /// \class HgiVulkanResourceBindings
40 ///
41 /// Vulkan implementation of HgiResourceBindings.
42 ///
43 ///
44 class HgiVulkanResourceBindings final : public HgiResourceBindings
45 {
46 public:
47     HGIVULKAN_API
48     ~HgiVulkanResourceBindings() override;
49 
50     /// Binds the resources to GPU.
51     HGIVULKAN_API
52     void BindResources(
53         VkCommandBuffer cb,
54         VkPipelineBindPoint bindPoint,
55         VkPipelineLayout layout);
56 
57     /// Returns the device used to create this object.
58     HGIVULKAN_API
59     HgiVulkanDevice* GetDevice() const;
60 
61     /// Returns the (writable) inflight bits of when this object was trashed.
62     HGIVULKAN_API
63     uint64_t & GetInflightBits();
64 
65 protected:
66     friend class HgiVulkan;
67 
68     HGIVULKAN_API
69     HgiVulkanResourceBindings(
70         HgiVulkanDevice* device,
71         HgiResourceBindingsDesc const& desc);
72 
73 private:
74     HgiVulkanResourceBindings() = delete;
75     HgiVulkanResourceBindings & operator=(const HgiVulkanResourceBindings&) = delete;
76     HgiVulkanResourceBindings(const HgiVulkanResourceBindings&) = delete;
77 
78     HgiVulkanDevice* _device;
79     uint64_t _inflightBits;
80 
81     VkDescriptorPool _vkDescriptorPool;
82     VkDescriptorSetLayout _vkDescriptorSetLayout;
83     VkDescriptorSet _vkDescriptorSet;
84 };
85 
86 
87 PXR_NAMESPACE_CLOSE_SCOPE
88 
89 #endif
90