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1 /* | |
2 * Copyright 2016 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #ifndef GrVkDescriptorPool_DEFINED | |
9 #define GrVkDescriptorPool_DEFINED | |
10 | |
11 #include "GrVkResource.h" | |
12 | |
13 #include "vulkan/vulkan.h" | |
14 | |
15 class GrVkGpu; | |
16 | |
17 class GrVkDescriptorPool : public GrVkResource { | |
18 public: | |
19 class DescriptorTypeCounts { | |
20 public: | |
21 DescriptorTypeCounts() { | |
22 memset(fDescriptorTypeCount, 0, sizeof(fDescriptorTypeCount)); | |
23 } | |
24 | |
25 void setTypeCount(VkDescriptorType type, uint8_t count); | |
26 uint32_t numPoolSizes() const; | |
27 | |
28 // Determines if for each i, that.fDescriptorTypeCount[i] <= fDescriptor
TypeCount[i]; | |
29 bool isSuperSet(const DescriptorTypeCounts& that) const; | |
30 private: | |
31 uint8_t fDescriptorTypeCount[VK_DESCRIPTOR_TYPE_RANGE_SIZE]; | |
32 | |
33 friend class GrVkDescriptorPool; | |
34 }; | |
35 | |
36 explicit GrVkDescriptorPool(const GrVkGpu* gpu, const DescriptorTypeCounts&
typeCounts); | |
37 | |
38 VkDescriptorPool descPool() const { return fDescPool; } | |
39 | |
40 void reset(const GrVkGpu* gpu); | |
41 | |
42 // Returns whether or not this descriptor pool could be used, assuming it ge
ts fully reset and | |
43 // not in use by another draw, to support the requested typeCounts. | |
44 bool isCompatible(const DescriptorTypeCounts& typeCounts) const; | |
45 | |
46 private: | |
47 void freeGPUData(const GrVkGpu* gpu) const override; | |
48 | |
49 DescriptorTypeCounts fTypeCounts; | |
50 VkDescriptorPool fDescPool; | |
51 | |
52 typedef GrVkResource INHERITED; | |
53 }; | |
54 | |
55 | |
56 #endif | |
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