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// Copyright 2018 The SwiftShader Authors. 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
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
#include "VkObject.hpp"
#include "Device/Sampler.hpp"
#include "Vulkan/VkImageView.hpp"
#include "Vulkan/VkSampler.hpp"
#include <cstdint>
namespace vk {
class DescriptorSet;
class Device;
// TODO(b/129523279): Move to the Device or Pipeline layer.
struct alignas(16) SampledImageDescriptor
~SampledImageDescriptor() = delete;
void updateSampler(const vk::Sampler *sampler);
// TODO(b/129523279): Minimize to the data actually needed.
vk::Sampler sampler;
vk::Device *device;
uint32_t imageViewId;
VkImageViewType type;
VkFormat format;
VkComponentMapping swizzle;
alignas(16) sw::Texture texture;
VkExtent3D extent; // Of base mip-level.
int arrayLayers;
int mipLevels;
int sampleCount;
struct alignas(16) StorageImageDescriptor
~StorageImageDescriptor() = delete;
void *ptr;
VkExtent3D extent;
int rowPitchBytes;
int slicePitchBytes;
int samplePitchBytes;
int arrayLayers;
int sampleCount;
int sizeInBytes;
void *stencilPtr;
int stencilRowPitchBytes;
int stencilSlicePitchBytes;
int stencilSamplePitchBytes;
struct alignas(16) BufferDescriptor
~BufferDescriptor() = delete;
void *ptr;
int sizeInBytes; // intended size of the bound region -- slides along with dynamic offsets
int robustnessSize; // total accessible size from static offset -- does not move with dynamic offset
class DescriptorSetLayout : public Object<DescriptorSetLayout, VkDescriptorSetLayout>
struct Binding
VkDescriptorType descriptorType;
uint32_t descriptorCount;
const vk::Sampler **immutableSamplers;
uint32_t offset; // Offset in bytes in the descriptor set data.
DescriptorSetLayout(const VkDescriptorSetLayoutCreateInfo *pCreateInfo, void *mem);
void destroy(const VkAllocationCallbacks *pAllocator);
static size_t ComputeRequiredAllocationSize(const VkDescriptorSetLayoutCreateInfo *pCreateInfo);
static uint32_t GetDescriptorSize(VkDescriptorType type);
static bool IsDescriptorDynamic(VkDescriptorType type);
static void WriteDescriptorSet(Device *device, const VkWriteDescriptorSet &descriptorWrites);
static void CopyDescriptorSet(const VkCopyDescriptorSet &descriptorCopies);
static void WriteDescriptorSet(Device *device, DescriptorSet *dstSet, VkDescriptorUpdateTemplateEntry const &entry, char const *src);
static void WriteTextureLevelInfo(sw::Texture *texture, int level, int width, int height, int depth, int pitchP, int sliceP, int samplePitchP, int sampleMax);
void initialize(DescriptorSet *descriptorSet);
// Returns the total size of the descriptor set in bytes.
size_t getDescriptorSetAllocationSize() const;
// Returns the byte offset from the base address of the descriptor set for
// the given binding number.
uint32_t getBindingOffset(uint32_t bindingNumber) const;
// Returns the number of descriptors for the given binding number.
uint32_t getDescriptorCount(uint32_t bindingNumber) const;
// Returns the number of descriptors across all bindings that are dynamic.
uint32_t getDynamicDescriptorCount() const;
// Returns the relative index into the pipeline's dynamic offsets array for
// the given binding number. This index should be added to the base index
// returned by PipelineLayout::getDynamicOffsetBase() to produce the
// starting index for dynamic descriptors.
uint32_t getDynamicOffsetIndex(uint32_t bindingNumber) const;
// Returns the descriptor type for the given binding number.
VkDescriptorType getDescriptorType(uint32_t bindingNumber) const;
// Returns the number of entries in the direct-indexed array of bindings.
// It equals the highest binding number + 1.
uint32_t getBindingsArraySize() const { return bindingsArraySize; }
uint8_t *getDescriptorPointer(DescriptorSet *descriptorSet, uint32_t bindingNumber, uint32_t arrayElement, uint32_t count, size_t *typeSize) const;
size_t getDescriptorSetDataSize() const;
static bool isDynamic(VkDescriptorType type);
const VkDescriptorSetLayoutCreateFlags flags;
uint32_t bindingsArraySize = 0;
Binding *const bindings; // Direct-indexed array of bindings.
static inline DescriptorSetLayout *Cast(VkDescriptorSetLayout object)
return DescriptorSetLayout::Cast(object);
} // namespace vk