forked from MoonsideGames/Refresh
descriptor set cacheing system
parent
d23b2a6a75
commit
3780772bdd
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@ -74,7 +74,7 @@ static uint32_t deviceExtensionCount = SDL_arraysize(deviceExtensionNames);
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#define TEXTURE_STAGING_SIZE 8000000 /* 8MB */
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#define UBO_BUFFER_SIZE 8000000 /* 8MB */
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#define UBO_ACTUAL_SIZE (UBO_BUFFER_SIZE * 2)
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#define SAMPLER_POOL_SIZE 100
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#define SAMPLER_POOL_STARTING_SIZE 128
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#define UBO_POOL_SIZE 1000
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#define SUB_BUFFER_COUNT 2
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@ -651,14 +651,13 @@ typedef struct SwapChainSupportDetails
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uint32_t presentModesLength;
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} SwapChainSupportDetails;
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typedef struct SamplerDescriptorSetCache SamplerDescriptorSetCache;
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typedef struct VulkanGraphicsPipelineLayout
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{
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VkPipelineLayout pipelineLayout;
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VkDescriptorSetLayout vertexSamplerLayout;
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uint32_t vertexSamplerBindingCount;
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VkDescriptorSetLayout fragmentSamplerLayout;
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uint32_t fragmentSamplerBindingCount;
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VkDescriptorPool descriptorPool;
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SamplerDescriptorSetCache *vertexSamplerDescriptorSetCache;
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SamplerDescriptorSetCache *fragmentSamplerDescriptorSetCache;
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} VulkanGraphicsPipelineLayout;
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typedef struct VulkanGraphicsPipeline
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@ -886,6 +885,64 @@ static inline void PipelineLayoutHashArray_Insert(
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arr->count += 1;
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}
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typedef struct SamplerDescriptorSetData
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{
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VkDescriptorImageInfo descriptorImageInfo[MAX_TEXTURE_SAMPLERS]; /* used for vertex samplers as well */
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} SamplerDescriptorSetData;
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typedef struct SamplerDescriptorSetHashMap
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{
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uint64_t key;
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SamplerDescriptorSetData descriptorSetData;
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VkDescriptorSet descriptorSet;
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uint8_t inactiveFrameCount;
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} SamplerDescriptorSetHashMap;
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typedef struct SamplerDescriptorSetHashArray
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{
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uint32_t *elements;
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int32_t count;
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int32_t capacity;
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} SamplerDescriptorSetHashArray;
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#define NUM_DESCRIPTOR_SET_HASH_BUCKETS 1031
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static inline uint64_t SamplerDescriptorSetHashTable_GetHashCode(
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SamplerDescriptorSetData *descriptorSetData,
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uint32_t samplerCount
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) {
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const uint64_t HASH_FACTOR = 97;
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uint32_t i;
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uint64_t result = 1;
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for (i = 0; i < samplerCount; i++)
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{
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result = result * HASH_FACTOR + (uint64_t) descriptorSetData->descriptorImageInfo[i].imageView;
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result = result * HASH_FACTOR + (uint64_t) descriptorSetData->descriptorImageInfo[i].sampler;
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}
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return result;
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}
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struct SamplerDescriptorSetCache
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{
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VkDescriptorSetLayout descriptorSetLayout;
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uint32_t samplerBindingCount;
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SamplerDescriptorSetHashArray buckets[NUM_DESCRIPTOR_SET_HASH_BUCKETS]; /* these buckets store indices */
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SamplerDescriptorSetHashMap *elements; /* where the hash map elements are stored */
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uint32_t count;
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uint32_t capacity;
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VkDescriptorPool *samplerDescriptorPools;
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uint32_t samplerDescriptorPoolCount;
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uint32_t nextPoolSize;
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VkDescriptorSet *inactiveDescriptorSets;
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uint32_t inactiveDescriptorSetCount;
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uint32_t inactiveDescriptorSetCapacity;
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};
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/* Context */
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typedef struct VulkanRenderer
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@ -2757,25 +2814,25 @@ static REFRESH_RenderPass* VULKAN_CreateRenderPass(
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static uint8_t VULKAN_INTERNAL_CreateSamplerDescriptorPool(
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VulkanRenderer *renderer,
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VkDescriptorType descriptorType,
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uint32_t descriptorSetCount,
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uint32_t descriptorCount,
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VkDescriptorPool *pDescriptorPool
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) {
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VkResult vulkanResult;
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VkDescriptorPoolSize poolSizes[2];
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VkDescriptorPoolSize descriptorPoolSize;
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VkDescriptorPoolCreateInfo descriptorPoolInfo;
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poolSizes[0].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
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poolSizes[0].descriptorCount = SAMPLER_POOL_SIZE;
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poolSizes[1].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
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poolSizes[1].descriptorCount = SAMPLER_POOL_SIZE;
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descriptorPoolSize.type = descriptorType;
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descriptorPoolSize.descriptorCount = descriptorCount;
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descriptorPoolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
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descriptorPoolInfo.pNext = NULL;
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descriptorPoolInfo.flags = 0;
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descriptorPoolInfo.maxSets = 2 * SAMPLER_POOL_SIZE;
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descriptorPoolInfo.poolSizeCount = 2;
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descriptorPoolInfo.pPoolSizes = poolSizes;
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descriptorPoolInfo.maxSets = descriptorSetCount;
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descriptorPoolInfo.poolSizeCount = 1;
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descriptorPoolInfo.pPoolSizes = &descriptorPoolSize;
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vulkanResult = renderer->vkCreateDescriptorPool(
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renderer->logicalDevice,
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@ -2793,6 +2850,84 @@ static uint8_t VULKAN_INTERNAL_CreateSamplerDescriptorPool(
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return 1;
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}
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static uint8_t VULKAN_INTERNAL_AllocateSamplerDescriptorSets(
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VulkanRenderer *renderer,
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VkDescriptorPool descriptorPool,
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VkDescriptorSetLayout descriptorSetLayout,
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uint32_t descriptorSetCount,
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VkDescriptorSet *descriptorSetArray
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) {
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VkResult vulkanResult;
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uint32_t i;
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VkDescriptorSetAllocateInfo descriptorSetAllocateInfo;
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VkDescriptorSetLayout *descriptorSetLayouts = SDL_stack_alloc(VkDescriptorSetLayout, descriptorSetCount);
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for (i = 0; i < descriptorSetCount; i += 1)
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{
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descriptorSetLayouts[i] = descriptorSetLayout;
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}
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descriptorSetAllocateInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
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descriptorSetAllocateInfo.pNext = NULL;
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descriptorSetAllocateInfo.descriptorPool = descriptorPool;
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descriptorSetAllocateInfo.descriptorSetCount = descriptorSetCount;
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descriptorSetAllocateInfo.pSetLayouts = descriptorSetLayouts;
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vulkanResult = renderer->vkAllocateDescriptorSets(
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renderer->logicalDevice,
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&descriptorSetAllocateInfo,
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descriptorSetArray
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);
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if (vulkanResult != VK_SUCCESS)
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{
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LogVulkanResult("vkAllocateDescriptorSets", vulkanResult);
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SDL_stack_free(descriptorSetLayouts);
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return 0;
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}
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SDL_stack_free(descriptorSetLayouts);
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return 1;
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}
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static SamplerDescriptorSetCache* VULKAN_INTERNAL_CreateSamplerDescriptorSetCache(
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VulkanRenderer *renderer,
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VkDescriptorSetLayout descriptorSetLayout,
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uint32_t samplerBindingCount
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) {
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SamplerDescriptorSetCache *samplerDescriptorSetCache = SDL_malloc(sizeof(samplerDescriptorSetCache));
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samplerDescriptorSetCache->descriptorSetLayout = descriptorSetLayout;
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samplerDescriptorSetCache->samplerBindingCount = samplerBindingCount;
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VULKAN_INTERNAL_CreateSamplerDescriptorPool(
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renderer,
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VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
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SAMPLER_POOL_STARTING_SIZE,
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SAMPLER_POOL_STARTING_SIZE * samplerBindingCount,
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&samplerDescriptorSetCache->samplerDescriptorPools[0]
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);
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samplerDescriptorSetCache->samplerDescriptorPoolCount = 1;
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samplerDescriptorSetCache->nextPoolSize = SAMPLER_POOL_STARTING_SIZE * 2;
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samplerDescriptorSetCache->inactiveDescriptorSetCapacity = SAMPLER_POOL_STARTING_SIZE;
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samplerDescriptorSetCache->inactiveDescriptorSetCount = SAMPLER_POOL_STARTING_SIZE;
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samplerDescriptorSetCache->inactiveDescriptorSets = SDL_malloc(
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sizeof(VkDescriptorSet) * SAMPLER_POOL_STARTING_SIZE
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);
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VULKAN_INTERNAL_AllocateSamplerDescriptorSets(
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renderer,
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samplerDescriptorSetCache->samplerDescriptorPools[0],
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samplerDescriptorSetCache->descriptorSetLayout,
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SAMPLER_POOL_STARTING_SIZE,
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samplerDescriptorSetCache->inactiveDescriptorSets
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);
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return samplerDescriptorSetCache;
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}
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static VkDescriptorSetLayout VULKAN_INTERNAL_FetchSamplerDescriptorSetLayout(
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VulkanRenderer *renderer,
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VkShaderStageFlagBits shaderStageFlagBit,
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@ -2947,18 +3082,32 @@ static VulkanGraphicsPipelineLayout* VULKAN_INTERNAL_FetchGraphicsPipelineLayout
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vulkanGraphicsPipelineLayout
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);
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vulkanGraphicsPipelineLayout->vertexSamplerLayout = pipelineLayoutHash.vertexSamplerLayout;
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vulkanGraphicsPipelineLayout->vertexSamplerBindingCount = vertexSamplerBindingCount;
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vulkanGraphicsPipelineLayout->fragmentSamplerLayout = pipelineLayoutHash.fragmentSamplerLayout;
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vulkanGraphicsPipelineLayout->fragmentSamplerBindingCount = fragmentSamplerBindingCount;
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if (vertexSamplerBindingCount == 0)
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{
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vulkanGraphicsPipelineLayout->vertexSamplerDescriptorSetCache = NULL;
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}
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else
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{
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vulkanGraphicsPipelineLayout->vertexSamplerDescriptorSetCache =
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VULKAN_INTERNAL_CreateSamplerDescriptorSetCache(
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renderer,
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pipelineLayoutHash.vertexSamplerLayout,
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vertexSamplerBindingCount
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);
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}
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/* Create sampler descriptor pool */
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if (!VULKAN_INTERNAL_CreateSamplerDescriptorPool(
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renderer,
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&vulkanGraphicsPipelineLayout->descriptorPool
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)) {
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REFRESH_LogError("Failed to create descriptor pool!");
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return NULL;
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if (fragmentSamplerBindingCount == 0)
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{
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vulkanGraphicsPipelineLayout->fragmentSamplerDescriptorSetCache = NULL;
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}
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else
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{
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vulkanGraphicsPipelineLayout->fragmentSamplerDescriptorSetCache =
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VULKAN_INTERNAL_CreateSamplerDescriptorSetCache(
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renderer,
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pipelineLayoutHash.fragmentSamplerLayout,
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fragmentSamplerBindingCount
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);
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}
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return vulkanGraphicsPipelineLayout;
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@ -4711,78 +4860,187 @@ static void VULKAN_PushFragmentShaderParams(
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);
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}
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static inline uint8_t SamplerDescriptorSetDataEqual(
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SamplerDescriptorSetData *a,
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SamplerDescriptorSetData *b,
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uint8_t samplerCount
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) {
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uint32_t i;
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for (i = 0; i < samplerCount; i += 1)
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{
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if ( a->descriptorImageInfo[i].imageLayout != b->descriptorImageInfo[i].imageLayout ||
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a->descriptorImageInfo[i].imageView != b->descriptorImageInfo[i].imageView ||
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a->descriptorImageInfo[i].sampler != b->descriptorImageInfo[i].sampler )
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{
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return 0;
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}
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}
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return 1;
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}
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static VkDescriptorSet VULKAN_INTERNAL_FetchSamplerDescriptorSet(
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VulkanRenderer *renderer,
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SamplerDescriptorSetCache *samplerDescriptorSetCache,
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SamplerDescriptorSetData *samplerDescriptorSetData
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) {
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uint32_t i;
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uint64_t hashcode;
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SamplerDescriptorSetHashArray *arr;
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VkDescriptorSet newDescriptorSet;
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VkWriteDescriptorSet writeDescriptorSets[MAX_TEXTURE_SAMPLERS];
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SamplerDescriptorSetHashMap *map;
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hashcode = SamplerDescriptorSetHashTable_GetHashCode(
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samplerDescriptorSetData,
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samplerDescriptorSetCache->samplerBindingCount
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);
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arr = &samplerDescriptorSetCache->buckets[hashcode % NUM_DESCRIPTOR_SET_HASH_BUCKETS];
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for (i = 0; i < arr->count; i += 1)
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{
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SamplerDescriptorSetHashMap *e = &samplerDescriptorSetCache->elements[arr->elements[i]];
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if (SamplerDescriptorSetDataEqual(
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samplerDescriptorSetData,
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&e->descriptorSetData,
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samplerDescriptorSetCache->samplerBindingCount
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)) {
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e->inactiveFrameCount = 0;
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return e->descriptorSet;
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}
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}
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/* If no match exists, assign a new descriptor set and prepare it for update */
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/* If no inactive descriptor sets remain, create a new pool and allocate new inactive sets */
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if (samplerDescriptorSetCache->inactiveDescriptorSetCount == 0)
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{
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samplerDescriptorSetCache->samplerDescriptorPoolCount += 1;
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samplerDescriptorSetCache->samplerDescriptorPools = SDL_realloc(
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samplerDescriptorSetCache->samplerDescriptorPools,
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sizeof(VkDescriptorPool) * samplerDescriptorSetCache->samplerDescriptorPoolCount
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);
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VULKAN_INTERNAL_CreateSamplerDescriptorPool(
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renderer,
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VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
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samplerDescriptorSetCache->nextPoolSize,
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samplerDescriptorSetCache->nextPoolSize * samplerDescriptorSetCache->samplerBindingCount,
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&samplerDescriptorSetCache->samplerDescriptorPools[samplerDescriptorSetCache->samplerDescriptorPoolCount - 1]
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);
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samplerDescriptorSetCache->inactiveDescriptorSetCapacity += samplerDescriptorSetCache->nextPoolSize;
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samplerDescriptorSetCache->inactiveDescriptorSets = SDL_realloc(
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samplerDescriptorSetCache->inactiveDescriptorSets,
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sizeof(VkDescriptorSet) * samplerDescriptorSetCache->inactiveDescriptorSetCapacity
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);
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VULKAN_INTERNAL_AllocateSamplerDescriptorSets(
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renderer,
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samplerDescriptorSetCache->samplerDescriptorPools[samplerDescriptorSetCache->samplerDescriptorPoolCount - 1],
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samplerDescriptorSetCache->descriptorSetLayout,
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samplerDescriptorSetCache->nextPoolSize,
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samplerDescriptorSetCache->inactiveDescriptorSets
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);
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samplerDescriptorSetCache->inactiveDescriptorSetCount = samplerDescriptorSetCache->nextPoolSize;
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samplerDescriptorSetCache->nextPoolSize *= 2;
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}
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newDescriptorSet = samplerDescriptorSetCache->inactiveDescriptorSets[samplerDescriptorSetCache->inactiveDescriptorSetCount - 1];
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samplerDescriptorSetCache->inactiveDescriptorSetCount -= 1;
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for (i = 0; i < samplerDescriptorSetCache->samplerBindingCount; i += 1)
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{
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writeDescriptorSets[i].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
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writeDescriptorSets[i].pNext = NULL;
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writeDescriptorSets[i].descriptorCount = 1;
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writeDescriptorSets[i].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
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writeDescriptorSets[i].dstArrayElement = 0;
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writeDescriptorSets[i].dstBinding = i;
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writeDescriptorSets[i].dstSet = newDescriptorSet;
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writeDescriptorSets[i].pBufferInfo = NULL;
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writeDescriptorSets[i].pImageInfo = &samplerDescriptorSetData->descriptorImageInfo[i];
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}
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renderer->vkUpdateDescriptorSets(
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renderer->logicalDevice,
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samplerDescriptorSetCache->samplerBindingCount,
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writeDescriptorSets,
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0,
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NULL
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);
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EXPAND_ARRAY_IF_NEEDED(arr, 2, uint32_t)
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arr->elements[arr->count] = samplerDescriptorSetCache->count;
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arr->count += 1;
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if (samplerDescriptorSetCache->count == samplerDescriptorSetCache->capacity)
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{
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samplerDescriptorSetCache->capacity *= 2;
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samplerDescriptorSetCache->elements = SDL_realloc(
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samplerDescriptorSetCache->elements,
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sizeof(SamplerDescriptorSetHashMap) * samplerDescriptorSetCache->capacity
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);
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}
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map = &samplerDescriptorSetCache->elements[samplerDescriptorSetCache->count];
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map->key = hashcode;
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for (i = 0; i < samplerDescriptorSetCache->samplerBindingCount; i += 1)
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{
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map->descriptorSetData.descriptorImageInfo[i].imageLayout =
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samplerDescriptorSetData->descriptorImageInfo[i].imageLayout;
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map->descriptorSetData.descriptorImageInfo[i].imageView =
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samplerDescriptorSetData->descriptorImageInfo[i].imageView;
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map->descriptorSetData.descriptorImageInfo[i].sampler =
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samplerDescriptorSetData->descriptorImageInfo[i].sampler;
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}
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map->descriptorSet = newDescriptorSet;
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map->inactiveFrameCount = 0;
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samplerDescriptorSetCache->count += 1;
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return newDescriptorSet;
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}
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static void VULKAN_SetVertexSamplers(
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REFRESH_Renderer *driverData,
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REFRESH_GraphicsPipeline *pipeline,
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REFRESH_Texture **pTextures,
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REFRESH_Sampler **pSamplers
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) {
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/* TODO: we can defer and batch these */
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VkDescriptorSetAllocateInfo descriptorSetAllocateInfo;
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VkDescriptorSet descriptorSet;
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VkWriteDescriptorSet *writeDescriptorSets;
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VkDescriptorImageInfo *descriptorImageInfos;
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VulkanTexture *currentTexture;
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VkSampler currentSampler;
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uint32_t i;
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uint32_t i, samplerCount;
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VulkanRenderer* renderer = (VulkanRenderer*) driverData;
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VulkanGraphicsPipeline *graphicsPipeline = (VulkanGraphicsPipeline*) pipeline;
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SamplerDescriptorSetData vertexSamplerDescriptorSetData;
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/* FIXME: this needs an abstraction */
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writeDescriptorSets = SDL_stack_alloc(
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VkWriteDescriptorSet,
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graphicsPipeline->pipelineLayout->vertexSamplerBindingCount
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);
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descriptorImageInfos = SDL_stack_alloc(
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VkDescriptorImageInfo,
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graphicsPipeline->pipelineLayout->vertexSamplerBindingCount
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);
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samplerCount = graphicsPipeline->pipelineLayout->vertexSamplerDescriptorSetCache->samplerBindingCount;
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descriptorSetAllocateInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
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descriptorSetAllocateInfo.pNext = NULL;
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descriptorSetAllocateInfo.descriptorSetCount = 1;
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descriptorSetAllocateInfo.descriptorPool = graphicsPipeline->pipelineLayout->descriptorPool;
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descriptorSetAllocateInfo.pSetLayouts = &graphicsPipeline->pipelineLayout->vertexSamplerLayout;
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renderer->vkAllocateDescriptorSets(
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renderer->logicalDevice,
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&descriptorSetAllocateInfo,
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&descriptorSet
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);
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for (i = 0; i < graphicsPipeline->pipelineLayout->vertexSamplerBindingCount; i += 1)
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if (samplerCount == 0)
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{
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currentTexture = (VulkanTexture*) pTextures[i];
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currentSampler = (VkSampler) pSamplers[i];
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descriptorImageInfos[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
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descriptorImageInfos[i].imageView = currentTexture->view;
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descriptorImageInfos[i].sampler = currentSampler;
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|
||||
writeDescriptorSets[i].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
|
||||
writeDescriptorSets[i].pNext = NULL;
|
||||
writeDescriptorSets[i].dstSet = descriptorSet;
|
||||
writeDescriptorSets[i].dstBinding = i;
|
||||
writeDescriptorSets[i].dstArrayElement = 0;
|
||||
writeDescriptorSets[i].descriptorCount = 1;
|
||||
writeDescriptorSets[i].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
|
||||
writeDescriptorSets[i].pImageInfo = &descriptorImageInfos[i];
|
||||
return;
|
||||
}
|
||||
|
||||
renderer->vkUpdateDescriptorSets(
|
||||
renderer->logicalDevice,
|
||||
graphicsPipeline->pipelineLayout->vertexSamplerBindingCount,
|
||||
writeDescriptorSets,
|
||||
0,
|
||||
NULL
|
||||
for (i = 0; i < samplerCount; i += 1)
|
||||
{
|
||||
currentTexture = (VulkanTexture*) pTextures[i];
|
||||
vertexSamplerDescriptorSetData.descriptorImageInfo[i].imageView = currentTexture->view;
|
||||
vertexSamplerDescriptorSetData.descriptorImageInfo[i].sampler = (VkSampler) pSamplers[i];
|
||||
vertexSamplerDescriptorSetData.descriptorImageInfo[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
|
||||
}
|
||||
|
||||
graphicsPipeline->vertexSamplerDescriptorSet = VULKAN_INTERNAL_FetchSamplerDescriptorSet(
|
||||
renderer,
|
||||
graphicsPipeline->pipelineLayout->vertexSamplerDescriptorSetCache,
|
||||
&vertexSamplerDescriptorSetData
|
||||
);
|
||||
|
||||
graphicsPipeline->vertexSamplerDescriptorSet = descriptorSet;
|
||||
|
||||
SDL_stack_free(writeDescriptorSets);
|
||||
SDL_stack_free(descriptorImageInfos);
|
||||
}
|
||||
|
||||
static void VULKAN_SetFragmentSamplers(
|
||||
|
|
@ -4791,72 +5049,33 @@ static void VULKAN_SetFragmentSamplers(
|
|||
REFRESH_Texture **pTextures,
|
||||
REFRESH_Sampler **pSamplers
|
||||
) {
|
||||
/* TODO: we can defer and batch these */
|
||||
|
||||
VkDescriptorSetAllocateInfo descriptorSetAllocateInfo;
|
||||
VkDescriptorSet descriptorSet;
|
||||
VkWriteDescriptorSet *writeDescriptorSets;
|
||||
VkDescriptorImageInfo *descriptorImageInfos;
|
||||
VulkanTexture *currentTexture;
|
||||
VkSampler currentSampler;
|
||||
uint32_t i;
|
||||
uint32_t i, samplerCount;
|
||||
|
||||
VulkanRenderer* renderer = (VulkanRenderer*) driverData;
|
||||
VulkanGraphicsPipeline *graphicsPipeline = (VulkanGraphicsPipeline*) pipeline;
|
||||
SamplerDescriptorSetData fragmentSamplerDescriptorSetData;
|
||||
|
||||
/* FIXME: this needs an abstraction */
|
||||
writeDescriptorSets = SDL_stack_alloc(
|
||||
VkWriteDescriptorSet,
|
||||
graphicsPipeline->pipelineLayout->fragmentSamplerBindingCount
|
||||
);
|
||||
descriptorImageInfos = SDL_stack_alloc(
|
||||
VkDescriptorImageInfo,
|
||||
graphicsPipeline->pipelineLayout->fragmentSamplerBindingCount
|
||||
);
|
||||
samplerCount = graphicsPipeline->pipelineLayout->fragmentSamplerDescriptorSetCache->samplerBindingCount;
|
||||
|
||||
descriptorSetAllocateInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
|
||||
descriptorSetAllocateInfo.pNext = NULL;
|
||||
descriptorSetAllocateInfo.descriptorSetCount = 1;
|
||||
descriptorSetAllocateInfo.descriptorPool = graphicsPipeline->pipelineLayout->descriptorPool;
|
||||
descriptorSetAllocateInfo.pSetLayouts = &graphicsPipeline->pipelineLayout->fragmentSamplerLayout;
|
||||
|
||||
renderer->vkAllocateDescriptorSets(
|
||||
renderer->logicalDevice,
|
||||
&descriptorSetAllocateInfo,
|
||||
&descriptorSet
|
||||
);
|
||||
|
||||
for (i = 0; i < graphicsPipeline->pipelineLayout->fragmentSamplerBindingCount; i += 1)
|
||||
if (samplerCount == 0)
|
||||
{
|
||||
currentTexture = (VulkanTexture*) pTextures[i];
|
||||
currentSampler = (VkSampler) pSamplers[i];
|
||||
|
||||
descriptorImageInfos[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
|
||||
descriptorImageInfos[i].imageView = currentTexture->view;
|
||||
descriptorImageInfos[i].sampler = currentSampler;
|
||||
|
||||
writeDescriptorSets[i].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
|
||||
writeDescriptorSets[i].pNext = NULL;
|
||||
writeDescriptorSets[i].dstSet = descriptorSet;
|
||||
writeDescriptorSets[i].dstBinding = i;
|
||||
writeDescriptorSets[i].dstArrayElement = 0;
|
||||
writeDescriptorSets[i].descriptorCount = 1;
|
||||
writeDescriptorSets[i].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
|
||||
writeDescriptorSets[i].pImageInfo = &descriptorImageInfos[i];
|
||||
return;
|
||||
}
|
||||
|
||||
renderer->vkUpdateDescriptorSets(
|
||||
renderer->logicalDevice,
|
||||
graphicsPipeline->pipelineLayout->fragmentSamplerBindingCount,
|
||||
writeDescriptorSets,
|
||||
0,
|
||||
NULL
|
||||
for (i = 0; i < samplerCount; i += 1)
|
||||
{
|
||||
currentTexture = (VulkanTexture*) pTextures[i];
|
||||
fragmentSamplerDescriptorSetData.descriptorImageInfo[i].imageView = currentTexture->view;
|
||||
fragmentSamplerDescriptorSetData.descriptorImageInfo[i].sampler = (VkSampler) pSamplers[i];
|
||||
fragmentSamplerDescriptorSetData.descriptorImageInfo[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
|
||||
}
|
||||
|
||||
graphicsPipeline->fragmentSamplerDescriptorSet = VULKAN_INTERNAL_FetchSamplerDescriptorSet(
|
||||
renderer,
|
||||
graphicsPipeline->pipelineLayout->fragmentSamplerDescriptorSetCache,
|
||||
&fragmentSamplerDescriptorSetData
|
||||
);
|
||||
|
||||
graphicsPipeline->fragmentSamplerDescriptorSet = descriptorSet;
|
||||
|
||||
SDL_stack_free(writeDescriptorSets);
|
||||
SDL_stack_free(descriptorImageInfos);
|
||||
}
|
||||
|
||||
static void VULKAN_GetTextureData2D(
|
||||
|
|
@ -5078,12 +5297,12 @@ static void VULKAN_BindGraphicsPipeline(
|
|||
VulkanGraphicsPipeline* pipeline = (VulkanGraphicsPipeline*) graphicsPipeline;
|
||||
|
||||
/* bind dummy samplers */
|
||||
if (pipeline->pipelineLayout->vertexSamplerBindingCount == 0)
|
||||
if (pipeline->pipelineLayout->vertexSamplerDescriptorSetCache == NULL)
|
||||
{
|
||||
pipeline->vertexSamplerDescriptorSet = renderer->emptyVertexSamplerDescriptorSet;
|
||||
}
|
||||
|
||||
if (pipeline->pipelineLayout->fragmentSamplerBindingCount == 0)
|
||||
if (pipeline->pipelineLayout->fragmentSamplerDescriptorSetCache == NULL)
|
||||
{
|
||||
pipeline->fragmentSamplerDescriptorSet = renderer->emptyFragmentSamplerDescriptorSet;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue