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/* Copyright (c) 2015-2025 The Khronos Group Inc.
* Copyright (c) 2015-2025 Valve Corporation
* Copyright (c) 2015-2025 LunarG, Inc.
* Copyright (C) 2015-2024 Google Inc.
* Modifications Copyright (C) 2020 Advanced Micro Devices, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "state_tracker/state_object.h"
#include <vulkan/utility/vk_safe_struct.hpp>
#include "utils/image_utils.h"
// Note: some of the types in this header are needed by both the DescriptorSet and Pipeline
// state objects. It is helpful to have a separate header to avoid circular #include madness.
struct DescriptorSlot {
uint32_t set;
uint32_t binding;
DescriptorSlot(uint32_t s, uint32_t b) : set(s), binding(b) {}
};
inline bool operator==(const DescriptorSlot &lhs, const DescriptorSlot &rhs) noexcept {
return lhs.set == rhs.set && lhs.binding == rhs.binding;
}
struct SamplerUsedByImage {
DescriptorSlot sampler_slot;
uint32_t sampler_index;
};
inline bool operator==(const SamplerUsedByImage &a, const SamplerUsedByImage &b) noexcept {
return a.sampler_slot == b.sampler_slot && a.sampler_index == b.sampler_index;
}
namespace std {
template <>
struct hash<DescriptorSlot> {
size_t operator()(DescriptorSlot slot) const noexcept { return hash<uint32_t>()(slot.set) ^ hash<uint32_t>()(slot.binding); }
};
template <>
struct hash<SamplerUsedByImage> {
size_t operator()(SamplerUsedByImage s) const noexcept {
return hash<DescriptorSlot>()(s.sampler_slot) ^ hash<uint32_t>()(s.sampler_index);
}
};
} // namespace std
namespace vvl {
class SamplerSubState;
class Sampler : public StateObject, public SubStateManager<SamplerSubState> {
public:
const vku::safe_VkSamplerCreateInfo safe_create_info;
const VkSamplerCreateInfo &create_info;
const VkSamplerYcbcrConversion samplerConversion;
const VkSamplerCustomBorderColorCreateInfoEXT customCreateInfo;
Sampler(const VkSampler handle, const VkSamplerCreateInfo *pCreateInfo)
: StateObject(handle, kVulkanObjectTypeSampler),
safe_create_info(pCreateInfo),
create_info(*safe_create_info.ptr()),
samplerConversion(GetConversion(pCreateInfo)),
customCreateInfo(GetCustomCreateInfo(pCreateInfo)) {}
void Destroy() override;
void NotifyInvalidate(const StateObject::NodeList &invalid_nodes, bool unlink) override;
VkSampler VkHandle() const { return handle_.Cast<VkSampler>(); }
private:
static inline VkSamplerYcbcrConversion GetConversion(const VkSamplerCreateInfo *pCreateInfo) {
auto *conversion_info = vku::FindStructInPNextChain<VkSamplerYcbcrConversionInfo>(pCreateInfo->pNext);
return conversion_info ? conversion_info->conversion : VK_NULL_HANDLE;
}
static inline VkSamplerCustomBorderColorCreateInfoEXT GetCustomCreateInfo(const VkSamplerCreateInfo *pCreateInfo) {
VkSamplerCustomBorderColorCreateInfoEXT result{};
auto cbci = vku::FindStructInPNextChain<VkSamplerCustomBorderColorCreateInfoEXT>(pCreateInfo->pNext);
if (cbci) result = *cbci;
return result;
}
};
class SamplerSubState {
public:
explicit SamplerSubState(Sampler &obj) : base(obj) {}
SamplerSubState(const SamplerSubState &) = delete;
SamplerSubState &operator=(const SamplerSubState &) = delete;
virtual ~SamplerSubState() {}
virtual void Destroy() {}
virtual void NotifyInvalidate(const StateObject::NodeList &invalid_nodes, bool unlink) {}
Sampler &base;
};
inline void Sampler::Destroy() {
for (auto &item : sub_states_) {
item.second->Destroy();
}
StateObject::Destroy();
}
inline void Sampler::NotifyInvalidate(const StateObject::NodeList &invalid_nodes, bool unlink) {
for (auto &item : sub_states_) {
item.second->NotifyInvalidate(invalid_nodes, unlink);
}
StateObject::NotifyInvalidate(invalid_nodes, unlink);
}
class SamplerYcbcrConversion : public StateObject {
public:
const VkFormatFeatureFlags2KHR format_features;
const VkFormat format;
const VkFilter chromaFilter;
const uint64_t external_format;
SamplerYcbcrConversion(VkSamplerYcbcrConversion handle, const VkSamplerYcbcrConversionCreateInfo *info,
VkFormatFeatureFlags2KHR features)
: StateObject(handle, kVulkanObjectTypeSamplerYcbcrConversion),
format_features(features),
format(info->format),
chromaFilter(info->chromaFilter),
external_format(GetExternalFormat(info->pNext)) {}
VkSamplerYcbcrConversion VkHandle() const { return handle_.Cast<VkSamplerYcbcrConversion>(); }
};
} // namespace vvl
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