Greg Daniel | 164a9f0 | 2016-02-22 09:56:40 -0500 | [diff] [blame^] | 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] <= fDescriptorTypeCount[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 gets 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 |