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/*
* Copyright 2023 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef skgpu_graphite_VulkanDescriptorPool_DEFINED
#define skgpu_graphite_VulkanDescriptorPool_DEFINED
#include "include/core/SkRefCnt.h"
#include "include/core/SkSpan.h"
#include "src/gpu/graphite/DescriptorData.h"
#include "src/gpu/graphite/vk/VulkanGraphiteUtilsPriv.h"
namespace skgpu::graphite {
class VulkanSharedContext;
class VulkanDescriptorPool : public SkRefCnt {
public:
// Conservative upper bound of number of sets supported per pool.
static constexpr int kMaxNumSets = 512;
/**
* Given a span of descriptor types and counts, a descriptor pool will be created which houses
* enough of the descriptor types and quantities requested to allocate the maximum number of
* sets possible (kMaxNumSets). Counts must be > 0.
*/
static sk_sp<VulkanDescriptorPool> Make(const VulkanSharedContext*,
SkSpan<DescriptorData>,
VkDescriptorSetLayout);
VkDescriptorPool descPool() { return fDescPool; }
const VkDescriptorSetLayout* descSetLayout() {
SkASSERT(fDescSetLayout != VK_NULL_HANDLE);
return &fDescSetLayout;
}
private:
// Conservative overestimation of a maximum number of descriptors of any given type that can be
// requested.
static constexpr int kMaxNumDescriptors = 1024;
VulkanDescriptorPool(const VulkanSharedContext*,
VkDescriptorPool,
VkDescriptorSetLayout);
~VulkanDescriptorPool() override;
const VulkanSharedContext* fSharedContext;
VkDescriptorPool fDescPool;
// The VulkanDescriptorPool has ownership of the VkDescSetLayout used to allocate sets from this
// pool.
VkDescriptorSetLayout fDescSetLayout;
};
} // namespace skgpu::graphite
#endif // skgpu_graphite_VulkanDescriptorPool_DEFINED