layers/image_layout_map.h - third_party/Vulkan-ValidationLayers - Git at Google

 /* Copyright (c) 2019-2021 The Khronos Group Inc.
  * Copyright (c) 2019-2021 Valve Corporation
  * Copyright (c) 2019-2021 LunarG, Inc.
  * Copyright (C) 2019-2021 Google Inc.
  *
  * 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.
  *
  * John Zulauf <jzulauf@lunarg.com>
  *
  */
 #pragma once
 #ifndef IMAGE_LAYOUT_MAP_H_
 #define IMAGE_LAYOUT_MAP_H_

 #include <functional>
 #include <memory>
 #include <vector>

 #include "range_vector.h"
 #include "subresource_adapter.h"
 #ifndef SPARSE_CONTAINER_UNIT_TEST
 #include "vulkan/vulkan.h"
 #include "vk_layer_logging.h"

 // Forward declarations...
 class CMD_BUFFER_STATE;
 class IMAGE_STATE;
 class IMAGE_VIEW_STATE;
 #endif

 namespace image_layout_map {
 const static VkImageLayout kInvalidLayout = VK_IMAGE_LAYOUT_MAX_ENUM;

 // Common types for this namespace
 using IndexType = subresource_adapter::IndexType;
 using IndexRange = sparse_container::range<IndexType>;
 using Encoder = subresource_adapter::RangeEncoder;
 using NoSplit = sparse_container::insert_range_no_split_bounds;
 using RangeGenerator = subresource_adapter::RangeGenerator;
 using SubresourceGenerator = subresource_adapter::SubresourceGenerator;
 using WritePolicy = subresource_adapter::WritePolicy;

 struct InitialLayoutState {
     VkImageView image_view;          // For relaxed matching rule evaluation, else VK_NULL_HANDLE
     VkImageAspectFlags aspect_mask;  // For relaxed matching rules... else 0
     LoggingLabel label;
     InitialLayoutState(const CMD_BUFFER_STATE& cb_state_, const IMAGE_VIEW_STATE* view_state_);
     InitialLayoutState() : image_view(VK_NULL_HANDLE), aspect_mask(0), label() {}
 };

 class ImageSubresourceLayoutMap {
   public:
     typedef std::function<bool(const VkImageSubresource&, VkImageLayout, VkImageLayout)> Callback;

     struct SubresourceLayout {
         VkImageSubresource subresource;
         VkImageLayout current_layout;
         VkImageLayout initial_layout;

         bool operator==(const SubresourceLayout& rhs) const;
         bool operator!=(const SubresourceLayout& rhs) const { return !(*this == rhs); }
         SubresourceLayout(const VkImageSubresource& subresource_, VkImageLayout current_layout_, VkImageLayout initial_layout_)
             : subresource(subresource_), current_layout(current_layout_), initial_layout(initial_layout_) {}
         SubresourceLayout() = default;
     };

     struct LayoutEntry {
         VkImageLayout initial_layout;
         VkImageLayout current_layout;
         InitialLayoutState* state;

         LayoutEntry(VkImageLayout initial_ = kInvalidLayout, VkImageLayout current_ = kInvalidLayout,
                     InitialLayoutState* s = nullptr)
             : initial_layout(initial_), current_layout(current_), state(s) {}

         bool operator!=(const LayoutEntry& rhs) const {
             return initial_layout != rhs.initial_layout || current_layout != rhs.current_layout || state != rhs.state;
         }
         bool CurrentWillChange(VkImageLayout new_layout) const {
             return new_layout != kInvalidLayout && current_layout != new_layout;
         }
         bool Update(const LayoutEntry& src) {
             bool updated_current = false;
             // current_layout can be updated repeatedly.
             if (CurrentWillChange(src.current_layout)) {
                 current_layout = src.current_layout;
                 updated_current = true;
             }
             // initial_layout and state cannot be updated once they have a valid value.
             if (initial_layout == kInvalidLayout) {
                 initial_layout = src.initial_layout;
             }
             if (state == nullptr) {
                 state = src.state;
             }
             return updated_current;
         }
         // updater for splice()
         struct Updater {
             bool update(LayoutEntry& dst, const LayoutEntry& src) const { return dst.Update(src); }
             layer_data::optional<LayoutEntry> insert(const LayoutEntry& src) const { return layer_data::optional<LayoutEntry>(layer_data::in_place, src); }
         };
     };
     using RangeMap = subresource_adapter::BothRangeMap<LayoutEntry, 16>;
     using LayoutMap = RangeMap;
     using InitialLayoutStates = small_vector<InitialLayoutState, 2, uint32_t>;

     class ConstIterator {
       public:
         ConstIterator& operator++() {
             Increment();
             return *this;
         }
         void IncrementInterval();
         const SubresourceLayout* operator->() const { return &pos_; }
         const SubresourceLayout& operator*() const { return pos_; }

         ConstIterator() : range_gen_(), layouts_(nullptr), iter_(), skip_invalid_(false), always_get_initial_(false), pos_() {}
         bool AtEnd() const { return pos_.subresource.aspectMask == 0; }

         // Only for comparisons to end()
         // Note: if a fully function == is needed, the AtEnd needs to be maintained, as end_iterator is a static.
         bool operator==(const ConstIterator& other) const { return AtEnd() && other.AtEnd(); };
         bool operator!=(const ConstIterator& other) const { return AtEnd() != other.AtEnd(); };

       protected:
         void Increment();
         friend ImageSubresourceLayoutMap;
         ConstIterator(const RangeMap& layouts, const Encoder& encoder, const VkImageSubresourceRange& subres, bool skip_invalid,
                       bool always_get_initial);
         void UpdateRangeAndValue();
         void ForceEndCondition() { pos_.subresource.aspectMask = 0; }

         RangeGenerator range_gen_;
         const RangeMap* layouts_;
         RangeMap::const_iterator iter_;
         bool skip_invalid_;
         bool always_get_initial_;
         SubresourceLayout pos_;
         IndexType current_index_ = 0;
         IndexType constant_value_bound_ = 0;
     };

     ConstIterator Find(const VkImageSubresourceRange& subres_range, bool skip_invalid = true,
                        bool always_get_initial = false) const {
         if (InRange(subres_range)) {
             return ConstIterator(layouts_, encoder_, subres_range, skip_invalid, always_get_initial);
         }
         return End();
     }

     // Begin is a find of the full range with the default skip/ always get parameters
     ConstIterator Begin(bool always_get_initial = true) const;
     inline ConstIterator begin() const { return Begin(); }  // STL style, for range based loops and familiarity
     const ConstIterator& End() const { return end_iterator; }
     const ConstIterator& end() const { return End(); }  // STL style, for range based loops and familiarity.

     bool SetSubresourceRangeLayout(const CMD_BUFFER_STATE& cb_state, const VkImageSubresourceRange& range, VkImageLayout layout,
                                    VkImageLayout expected_layout = kInvalidLayout);
     void SetSubresourceRangeInitialLayout(const CMD_BUFFER_STATE& cb_state, const VkImageSubresourceRange& range,
                                           VkImageLayout layout);
     void SetSubresourceRangeInitialLayout(const CMD_BUFFER_STATE& cb_state, VkImageLayout layout,
                                           const IMAGE_VIEW_STATE& view_state);
     const LayoutEntry* GetSubresourceLayouts(const VkImageSubresource& subresource) const;
     const InitialLayoutState* GetSubresourceInitialLayoutState(const IndexType index) const;
     const InitialLayoutState* GetSubresourceInitialLayoutState(const VkImageSubresource& subresource) const;
     bool UpdateFrom(const ImageSubresourceLayoutMap& from);
     uintptr_t CompatibilityKey() const;
     const LayoutMap& GetLayoutMap() const { return layouts_; }
     ImageSubresourceLayoutMap(const IMAGE_STATE& image_state);
     ~ImageSubresourceLayoutMap() {}
     const IMAGE_STATE* GetImageView() const { return &image_state_; };

   protected:
     // This looks a bit ponderous but kAspectCount is a compile time constant
     VkImageSubresource Decode(IndexType index) const {
         const auto subres = encoder_.Decode(index);
         return encoder_.MakeVkSubresource(subres);
     }

     inline uint32_t LevelLimit(uint32_t level) const { return std::min(encoder_.Limits().mipLevel, level); }
     inline uint32_t LayerLimit(uint32_t layer) const { return std::min(encoder_.Limits().arrayLayer, layer); }

     bool InRange(const VkImageSubresource& subres) const { return encoder_.InRange(subres); }
     bool InRange(const VkImageSubresourceRange& range) const { return encoder_.InRange(range); }

     // This map *also* needs "write once" semantics
     using InitialLayoutStateMap = subresource_adapter::BothRangeMap<InitialLayoutState*, 16>;

   private:
     const IMAGE_STATE& image_state_;
     const Encoder& encoder_;
     LayoutMap layouts_;
     InitialLayoutStates initial_layout_states_;

     static const ConstIterator end_iterator;  // Just to hold the end condition tombstone (aspectMask == 0)
 };
 }  // namespace image_layout_map
 #endif
	/* Copyright (c) 2019-2021 The Khronos Group Inc.
	* Copyright (c) 2019-2021 Valve Corporation
	* Copyright (c) 2019-2021 LunarG, Inc.
	* Copyright (C) 2019-2021 Google Inc.
	*
	* 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.
	*
	* John Zulauf <jzulauf@lunarg.com>
	*
	*/
	#pragma once
	#ifndef IMAGE_LAYOUT_MAP_H_
	#define IMAGE_LAYOUT_MAP_H_

	#include <functional>
	#include <memory>
	#include <vector>

	#include "range_vector.h"
	#include "subresource_adapter.h"
	#ifndef SPARSE_CONTAINER_UNIT_TEST
	#include "vulkan/vulkan.h"
	#include "vk_layer_logging.h"

	// Forward declarations...
	class CMD_BUFFER_STATE;
	class IMAGE_STATE;
	class IMAGE_VIEW_STATE;
	#endif

	namespace image_layout_map {
	const static VkImageLayout kInvalidLayout = VK_IMAGE_LAYOUT_MAX_ENUM;

	// Common types for this namespace
	using IndexType = subresource_adapter::IndexType;
	using IndexRange = sparse_container::range<IndexType>;
	using Encoder = subresource_adapter::RangeEncoder;
	using NoSplit = sparse_container::insert_range_no_split_bounds;
	using RangeGenerator = subresource_adapter::RangeGenerator;
	using SubresourceGenerator = subresource_adapter::SubresourceGenerator;
	using WritePolicy = subresource_adapter::WritePolicy;

	struct InitialLayoutState {
	VkImageView image_view; // For relaxed matching rule evaluation, else VK_NULL_HANDLE
	VkImageAspectFlags aspect_mask; // For relaxed matching rules... else 0
	LoggingLabel label;
	InitialLayoutState(const CMD_BUFFER_STATE& cb_state_, const IMAGE_VIEW_STATE* view_state_);
	InitialLayoutState() : image_view(VK_NULL_HANDLE), aspect_mask(0), label() {}
	};

	class ImageSubresourceLayoutMap {
	public:
	typedef std::function<bool(const VkImageSubresource&, VkImageLayout, VkImageLayout)> Callback;

	struct SubresourceLayout {
	VkImageSubresource subresource;
	VkImageLayout current_layout;
	VkImageLayout initial_layout;

	bool operator==(const SubresourceLayout& rhs) const;
	bool operator!=(const SubresourceLayout& rhs) const { return !(*this == rhs); }
	SubresourceLayout(const VkImageSubresource& subresource_, VkImageLayout current_layout_, VkImageLayout initial_layout_)
	: subresource(subresource_), current_layout(current_layout_), initial_layout(initial_layout_) {}
	SubresourceLayout() = default;
	};

	struct LayoutEntry {
	VkImageLayout initial_layout;
	VkImageLayout current_layout;
	InitialLayoutState* state;

	LayoutEntry(VkImageLayout initial_ = kInvalidLayout, VkImageLayout current_ = kInvalidLayout,
	InitialLayoutState* s = nullptr)
	: initial_layout(initial_), current_layout(current_), state(s) {}

	bool operator!=(const LayoutEntry& rhs) const {
	return initial_layout != rhs.initial_layout \|\| current_layout != rhs.current_layout \|\| state != rhs.state;
	}
	bool CurrentWillChange(VkImageLayout new_layout) const {
	return new_layout != kInvalidLayout && current_layout != new_layout;
	}
	bool Update(const LayoutEntry& src) {
	bool updated_current = false;
	// current_layout can be updated repeatedly.
	if (CurrentWillChange(src.current_layout)) {
	current_layout = src.current_layout;
	updated_current = true;
	}
	// initial_layout and state cannot be updated once they have a valid value.
	if (initial_layout == kInvalidLayout) {
	initial_layout = src.initial_layout;
	}
	if (state == nullptr) {
	state = src.state;
	}
	return updated_current;
	}
	// updater for splice()
	struct Updater {
	bool update(LayoutEntry& dst, const LayoutEntry& src) const { return dst.Update(src); }
	layer_data::optional<LayoutEntry> insert(const LayoutEntry& src) const { return layer_data::optional<LayoutEntry>(layer_data::in_place, src); }
	};
	};
	using RangeMap = subresource_adapter::BothRangeMap<LayoutEntry, 16>;
	using LayoutMap = RangeMap;
	using InitialLayoutStates = small_vector<InitialLayoutState, 2, uint32_t>;

	class ConstIterator {
	public:
	ConstIterator& operator++() {
	Increment();
	return *this;
	}
	void IncrementInterval();
	const SubresourceLayout* operator->() const { return &pos_; }
	const SubresourceLayout& operator*() const { return pos_; }

	ConstIterator() : range_gen_(), layouts_(nullptr), iter_(), skip_invalid_(false), always_get_initial_(false), pos_() {}
	bool AtEnd() const { return pos_.subresource.aspectMask == 0; }

	// Only for comparisons to end()
	// Note: if a fully function == is needed, the AtEnd needs to be maintained, as end_iterator is a static.
	bool operator==(const ConstIterator& other) const { return AtEnd() && other.AtEnd(); };
	bool operator!=(const ConstIterator& other) const { return AtEnd() != other.AtEnd(); };

	protected:
	void Increment();
	friend ImageSubresourceLayoutMap;
	ConstIterator(const RangeMap& layouts, const Encoder& encoder, const VkImageSubresourceRange& subres, bool skip_invalid,
	bool always_get_initial);
	void UpdateRangeAndValue();
	void ForceEndCondition() { pos_.subresource.aspectMask = 0; }

	RangeGenerator range_gen_;
	const RangeMap* layouts_;
	RangeMap::const_iterator iter_;
	bool skip_invalid_;
	bool always_get_initial_;
	SubresourceLayout pos_;
	IndexType current_index_ = 0;
	IndexType constant_value_bound_ = 0;
	};

	ConstIterator Find(const VkImageSubresourceRange& subres_range, bool skip_invalid = true,
	bool always_get_initial = false) const {
	if (InRange(subres_range)) {
	return ConstIterator(layouts_, encoder_, subres_range, skip_invalid, always_get_initial);
	}
	return End();
	}

	// Begin is a find of the full range with the default skip/ always get parameters
	ConstIterator Begin(bool always_get_initial = true) const;
	inline ConstIterator begin() const { return Begin(); } // STL style, for range based loops and familiarity
	const ConstIterator& End() const { return end_iterator; }
	const ConstIterator& end() const { return End(); } // STL style, for range based loops and familiarity.

	bool SetSubresourceRangeLayout(const CMD_BUFFER_STATE& cb_state, const VkImageSubresourceRange& range, VkImageLayout layout,
	VkImageLayout expected_layout = kInvalidLayout);
	void SetSubresourceRangeInitialLayout(const CMD_BUFFER_STATE& cb_state, const VkImageSubresourceRange& range,
	VkImageLayout layout);
	void SetSubresourceRangeInitialLayout(const CMD_BUFFER_STATE& cb_state, VkImageLayout layout,
	const IMAGE_VIEW_STATE& view_state);
	const LayoutEntry* GetSubresourceLayouts(const VkImageSubresource& subresource) const;
	const InitialLayoutState* GetSubresourceInitialLayoutState(const IndexType index) const;
	const InitialLayoutState* GetSubresourceInitialLayoutState(const VkImageSubresource& subresource) const;
	bool UpdateFrom(const ImageSubresourceLayoutMap& from);
	uintptr_t CompatibilityKey() const;
	const LayoutMap& GetLayoutMap() const { return layouts_; }
	ImageSubresourceLayoutMap(const IMAGE_STATE& image_state);
	~ImageSubresourceLayoutMap() {}
	const IMAGE_STATE* GetImageView() const { return &image_state_; };

	protected:
	// This looks a bit ponderous but kAspectCount is a compile time constant
	VkImageSubresource Decode(IndexType index) const {
	const auto subres = encoder_.Decode(index);
	return encoder_.MakeVkSubresource(subres);
	}

	inline uint32_t LevelLimit(uint32_t level) const { return std::min(encoder_.Limits().mipLevel, level); }
	inline uint32_t LayerLimit(uint32_t layer) const { return std::min(encoder_.Limits().arrayLayer, layer); }

	bool InRange(const VkImageSubresource& subres) const { return encoder_.InRange(subres); }
	bool InRange(const VkImageSubresourceRange& range) const { return encoder_.InRange(range); }

	// This map also needs "write once" semantics
	using InitialLayoutStateMap = subresource_adapter::BothRangeMap<InitialLayoutState*, 16>;

	private:
	const IMAGE_STATE& image_state_;
	const Encoder& encoder_;
	LayoutMap layouts_;
	InitialLayoutStates initial_layout_states_;

	static const ConstIterator end_iterator; // Just to hold the end condition tombstone (aspectMask == 0)
	};
	} // namespace image_layout_map
	#endif