text: /******************************************************************************
   * The MIT License (MIT)
   *
   * Copyright (c) 2015-2017 Baldur Karlsson
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   ******************************************************************************/
  
  #include "vk_info.h"
  #include "3rdparty/glslang/SPIRV/spirv.hpp"
  
  void DescSetLayout::Init(VulkanResourceManager *resourceMan, VulkanCreationInfo &info,
                           const VkDescriptorSetLayoutCreateInfo *pCreateInfo)
  {
    dynamicCount = 0;
  
    // descriptor set layouts can be sparse, such that only three bindings exist
    // but they are at 0, 5 and 10.
    // We assume here that while the layouts may be sparse that's mostly to allow
    // multiple layouts to co-exist nicely, and that we can allocate our bindings
    // array to cover the whole size, and leave some elements unused.
  
    // will be at least this size.
    bindings.resize(pCreateInfo->bindingCount);
    for(uint32_t i = 0; i < pCreateInfo->bindingCount; i++)
    {
      uint32_t b = pCreateInfo->pBindings[i].binding;
      // expand to fit the binding
      if(b >= bindings.size())
        bindings.resize(b + 1);
  
      bindings[b].descriptorCount = pCreateInfo->pBindings[i].descriptorCount;
      bindings[b].descriptorType = pCreateInfo->pBindings[i].descriptorType;
      bindings[b].stageFlags = pCreateInfo->pBindings[i].stageFlags;
  
      if(bindings[b].descriptorType == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC ||
         bindings[b].descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC)
        dynamicCount++;
  
      if(pCreateInfo->pBindings[i].pImmutableSamplers)
      {
        bindings[b].immutableSampler = new ResourceId[bindings[b].descriptorCount];
  
        for(uint32_t s = 0; s < bindings[b].descriptorCount; s++)
        {
          // during writing, the create info contains the *wrapped* objects.
          // on replay, we have the wrapper map so we can look it up
          if(resourceMan->IsWriting())
            bindings[b].immutableSampler[s] = GetResID(pCreateInfo->pBindings[i].pImmutableSamplers[s]);
          else
            bindings[b].immutableSampler[s] =
                resourceMan->GetNonDispWrapper(pCreateInfo->pBindings[i].pImmutableSamplers[s])->id;
        }
      }
    }
  }
  
  void DescSetLayout::CreateBindingsArray(vector<DescriptorSetSlot *> &descBindings)
  {
    descBindings.resize(bindings.size());
    for(size_t i = 0; i < bindings.size(); i++)
    {
      descBindings[i] = new DescriptorSetSlot[bindings[i].descriptorCount];
      memset(descBindings[i], 0, sizeof(DescriptorSetSlot) * bindings[i].descriptorCount);
    }
  }
  
  void VulkanCreationInfo::Pipeline::Init(VulkanResourceManager *resourceMan, VulkanCreationInfo &info,
                                          const VkGraphicsPipelineCreateInfo *pCreateInfo)
  {
    flags = pCreateInfo->flags;
  
    layout = resourceMan->GetNonDispWrapper(pCreateInfo->layout)->id;
    renderpass = resourceMan->GetNonDispWrapper(pCreateInfo->renderPass)->id;
    subpass = pCreateInfo->subpass;
  
    // need to figure out which states are valid to be NULL
  
    // VkPipelineShaderStageCreateInfo
    for(uint32_t i = 0; i < pCreateInfo->stageCount; i++)
    {
      ResourceId id = resourceMan->GetNonDispWrapper(pCreateInfo->pStages[i].module)->id;
  
      // convert shader bit to shader index
      int stageIndex = StageIndex(pCreateInfo->pStages[i].stage);
  
      Shader &shad = shaders[stageIndex];
  
      shad.module = id;
      shad.entryPoint = pCreateInfo->pStages[i].pName;
  
      ShaderModule::Reflection &reflData = info.m_ShaderModule[id].m_Reflections[shad.entryPoint];
  
      if(reflData.entryPoint.empty())
      {
        reflData.entryPoint = shad.entryPoint;
        reflData.stage = stageIndex;
        info.m_ShaderModule[id].spirv.MakeReflection(ShaderStage(reflData.stage), reflData.entryPoint,
                                                     reflData.refl, reflData.mapping,
                                                     reflData.patchData);
      }
  
      if(pCreateInfo->pStages[i].pSpecializationInfo)
      {
        shad.specdata.resize(pCreateInfo->pStages[i].pSpecializationInfo->dataSize);
        memcpy(&shad.specdata[0], pCreateInfo->pStages[i].pSpecializationInfo->pData,
               shad.specdata.size());
  
        const VkSpecializationMapEntry *maps = pCreateInfo->pStages[i].pSpecializationInfo->pMapEntries;
        for(uint32_t s = 0; s < pCreateInfo->pStages[i].pSpecializationInfo->mapEntryCount; s++)
        {
          Shader::SpecInfo spec;
          spec.specID = maps[s].constantID;
          spec.data = &shad.specdata[maps[s].offset];
          spec.size = maps[s].size;
          // ignore maps[s].size, assume it's enough for the type
          shad.specialization.push_back(spec);
        }
      }
  
      shad.refl = &reflData.refl;
      shad.mapping = &reflData.mapping;
      shad.patchData = &reflData.patchData;
    }
  
    if(pCreateInfo->pVertexInputState)
    {
      vertexBindings.resize(pCreateInfo->pVertexInputState->vertexBindingDescriptionCount);
      for(uint32_t i = 0; i < pCreateInfo->pVertexInputState->vertexBindingDescriptionCount; i++)
      {
        vertexBindings[i].vbufferBinding =
            pCreateInfo->pVertexInputState->pVertexBindingDescriptions[i].binding;
        vertexBindings[i].bytestride =
            pCreateInfo->pVertexInputState->pVertexBindingDescriptions[i].stride;
        vertexBindings[i].perInstance =
            pCreateInfo->pVertexInputState->pVertexBindingDescriptions[i].inputRate ==
            VK_VERTEX_INPUT_RATE_INSTANCE;
      }
  
      vertexAttrs.resize(pCreateInfo->pVertexInputState->vertexAttributeDescriptionCount);
      for(uint32_t i = 0; i < pCreateInfo->pVertexInputState->vertexAttributeDescriptionCount; i++)
      {
        vertexAttrs[i].binding =
            pCreateInfo->pVertexInputState->pVertexAttributeDescriptions[i].binding;
        vertexAttrs[i].location =
            pCreateInfo->pVertexInputState->pVertexAttributeDescriptions[i].location;
        vertexAttrs[i].format = pCreateInfo->pVertexInputState->pVertexAttributeDescriptions[i].format;
        vertexAttrs[i].byteoffset =
            pCreateInfo->pVertexInputState->pVertexAttributeDescriptions[i].offset;
      }
    }
  
    topology = pCreateInfo->pInputAssemblyState->topology;
    primitiveRestartEnable = pCreateInfo->pInputAssemblyState->primitiveRestartEnable ? true : false;
  
    if(pCreateInfo->pTessellationState)
      patchControlPoints = pCreateInfo->pTessellationState->patchControlPoints;
    else
      patchControlPoints = 0;
  
    if(pCreateInfo->pViewportState)
      viewportCount = pCreateInfo->pViewportState->viewportCount;
    else
      viewportCount = 0;
  
    viewports.resize(viewportCount);
    scissors.resize(viewportCount);
  
    for(uint32_t i = 0; i < viewportCount; i++)
    {
      if(pCreateInfo->pViewportState->pViewports)
        viewports[i] = pCreateInfo->pViewportState->pViewports[i];
  
      if(pCreateInfo->pViewportState->pScissors)
        scissors[i] = pCreateInfo->pViewportState->pScissors[i];
    }
  
    // VkPipelineRasterStateCreateInfo
    depthClampEnable = pCreateInfo->pRasterizationState->depthClampEnable ? true : false;
    rasterizerDiscardEnable = pCreateInfo->pRasterizationState->rasterizerDiscardEnable ? true : false;
    polygonMode = pCreateInfo->pRasterizationState->polygonMode;
    cullMode = pCreateInfo->pRasterizationState->cullMode;
    frontFace = pCreateInfo->pRasterizationState->frontFace;
    depthBiasEnable = pCreateInfo->pRasterizationState->depthBiasEnable ? true : false;
    depthBiasConstantFactor = pCreateInfo->pRasterizationState->depthBiasConstantFactor;
    depthBiasClamp = pCreateInfo->pRasterizationState->depthBiasClamp;
    depthBiasSlopeFactor = pCreateInfo->pRasterizationState->depthBiasSlopeFactor;
    lineWidth = pCreateInfo->pRasterizationState->lineWidth;
  
    // VkPipelineMultisampleStateCreateInfo
    if(pCreateInfo->pMultisampleState)
    {
      rasterizationSamples = pCreateInfo->pMultisampleState->rasterizationSamples;
      sampleShadingEnable = pCreateInfo->pMultisampleState->sampleShadingEnable ? true : false;
      minSampleShading = pCreateInfo->pMultisampleState->minSampleShading;
      sampleMask = pCreateInfo->pMultisampleState->pSampleMask
                       ? *pCreateInfo->pMultisampleState->pSampleMask
                       : ~0U;
      alphaToCoverageEnable = pCreateInfo->pMultisampleState->alphaToCoverageEnable ? true : false;
      alphaToOneEnable = pCreateInfo->pMultisampleState->alphaToOneEnable ? true : false;
    }
    else
    {
      rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
      sampleShadingEnable = false;
      minSampleShading = 1.0f;
      sampleMask = ~0U;
      alphaToCoverageEnable = false;
      alphaToOneEnable = false;
    }
  
    // VkPipelineDepthStencilStateCreateInfo
    if(pCreateInfo->pDepthStencilState)
    {
      depthTestEnable = pCreateInfo->pDepthStencilState->depthTestEnable ? true : false;
      depthWriteEnable = pCreateInfo->pDepthStencilState->depthWriteEnable ? true : false;
      depthCompareOp = pCreateInfo->pDepthStencilState->depthCompareOp;
      depthBoundsEnable = pCreateInfo->pDepthStencilState->depthBoundsTestEnable ? true : false;
      stencilTestEnable = pCreateInfo->pDepthStencilState->stencilTestEnable ? true : false;
      front = pCreateInfo->pDepthStencilState->front;
      back = pCreateInfo->pDepthStencilState->back;
      minDepthBounds = pCreateInfo->pDepthStencilState->minDepthBounds;
      maxDepthBounds = pCreateInfo->pDepthStencilState->maxDepthBounds;
    }
    else
    {
      depthTestEnable = false;
      depthWriteEnable = false;
      depthCompareOp = VK_COMPARE_OP_ALWAYS;
      depthBoundsEnable = false;
      stencilTestEnable = false;
      front.failOp = VK_STENCIL_OP_KEEP;
      front.passOp = VK_STENCIL_OP_KEEP;
      front.depthFailOp = VK_STENCIL_OP_KEEP;
      front.compareOp = VK_COMPARE_OP_ALWAYS;
      front.compareMask = 0xff;
      front.writeMask = 0xff;
      front.reference = 0;
      back = front;
      minDepthBounds = 0.0f;
      maxDepthBounds = 1.0f;
    }
  
    // VkPipelineColorBlendStateCreateInfo
    if(pCreateInfo->pColorBlendState)
    {
      logicOpEnable = pCreateInfo->pColorBlendState->logicOpEnable ? true : false;
      logicOp = pCreateInfo->pColorBlendState->logicOp;
      memcpy(blendConst, pCreateInfo->pColorBlendState->blendConstants, sizeof(blendConst));
  
      attachments.resize(pCreateInfo->pColorBlendState->attachmentCount);
  
      for(uint32_t i = 0; i < pCreateInfo->pColorBlendState->attachmentCount; i++)
      {
        attachments[i].blendEnable =
            pCreateInfo->pColorBlendState->pAttachments[i].blendEnable ? true : false;
  
        attachments[i].blend.Source =
            pCreateInfo->pColorBlendState->pAttachments[i].srcColorBlendFactor;
        attachments[i].blend.Destination =
            pCreateInfo->pColorBlendState->pAttachments[i].dstColorBlendFactor;
        attachments[i].blend.Operation = pCreateInfo->pColorBlendState->pAttachments[i].colorBlendOp;
  
        attachments[i].alphaBlend.Source =
            pCreateInfo->pColorBlendState->pAttachments[i].srcAlphaBlendFactor;
        attachments[i].alphaBlend.Destination =
            pCreateInfo->pColorBlendState->pAttachments[i].dstAlphaBlendFactor;
        attachments[i].alphaBlend.Operation =
            pCreateInfo->pColorBlendState->pAttachments[i].alphaBlendOp;
  
        attachments[i].channelWriteMask =
            (uint8_t)pCreateInfo->pColorBlendState->pAttachments[i].colorWriteMask;
      }
    }
    else
    {
      logicOpEnable = false;
      logicOp = VK_LOGIC_OP_NO_OP;
      RDCEraseEl(blendConst);
  
      attachments.clear();
    }
  
    RDCEraseEl(dynamicStates);
    if(pCreateInfo->pDynamicState)
    {
      for(uint32_t i = 0; i < pCreateInfo->pDynamicState->dynamicStateCount; i++)
        dynamicStates[pCreateInfo->pDynamicState->pDynamicStates[i]] = true;
    }
  }
  
  void VulkanCreationInfo::Pipeline::Init(VulkanResourceManager *resourceMan, VulkanCreationInfo &info,
                                          const VkComputePipelineCreateInfo *pCreateInfo)
  {
    flags = pCreateInfo->flags;
  
    layout = resourceMan->GetNonDispWrapper(pCreateInfo->layout)->id;
  
    // need to figure out which states are valid to be NULL
  
    // VkPipelineShaderStageCreateInfo
    {
      ResourceId id = resourceMan->GetNonDispWrapper(pCreateInfo->stage.module)->id;
      Shader &shad = shaders[5];    // 5 is the compute shader's index (VS, TCS, TES, GS, FS, CS)
  
      shad.module = id;
      shad.entryPoint = pCreateInfo->stage.pName;
  
      ShaderModule::Reflection &reflData = info.m_ShaderModule[id].m_Reflections[shad.entryPoint];
  
      if(reflData.entryPoint.empty())
      {
        reflData.entryPoint = shad.entryPoint;
        info.m_ShaderModule[id].spirv.MakeReflection(ShaderStage::Compute, reflData.entryPoint,
                                                     reflData.refl, reflData.mapping,
                                                     reflData.patchData);
      }
  
      if(pCreateInfo->stage.pSpecializationInfo)
      {
        shad.specdata.resize(pCreateInfo->stage.pSpecializationInfo->dataSize);
        memcpy(&shad.specdata[0], pCreateInfo->stage.pSpecializationInfo->pData, shad.specdata.size());
  
        const VkSpecializationMapEntry *maps = pCreateInfo->stage.pSpecializationInfo->pMapEntries;
        for(uint32_t s = 0; s < pCreateInfo->stage.pSpecializationInfo->mapEntryCount; s++)
        {
          Shader::SpecInfo spec;
          spec.specID = maps[s].constantID;
          spec.data = &shad.specdata[maps[s].offset];
          spec.size = maps[s].size;
          shad.specialization.push_back(spec);
        }
      }
  
      shad.refl = &reflData.refl;
      shad.mapping = &reflData.mapping;
      shad.patchData = &reflData.patchData;
    }
  
    topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
    primitiveRestartEnable = false;
  
    patchControlPoints = 0;
  
    viewportCount = 0;
  
    // VkPipelineRasterStateCreateInfo
    depthClampEnable = false;
    rasterizerDiscardEnable = false;
    polygonMode = VK_POLYGON_MODE_FILL;
    cullMode = VK_CULL_MODE_NONE;
    frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
  
    // VkPipelineMultisampleStateCreateInfo
    rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
    sampleShadingEnable = false;
    minSampleShading = 1.0f;
    sampleMask = ~0U;
  
    // VkPipelineDepthStencilStateCreateInfo
    depthTestEnable = false;
    depthWriteEnable = false;
    depthCompareOp = VK_COMPARE_OP_ALWAYS;
    depthBoundsEnable = false;
    stencilTestEnable = false;
    RDCEraseEl(front);
    RDCEraseEl(back);
  
    // VkPipelineColorBlendStateCreateInfo
    alphaToCoverageEnable = false;
    logicOpEnable = false;
    logicOp = VK_LOGIC_OP_NO_OP;
  }
  
  void VulkanCreationInfo::PipelineLayout::Init(VulkanResourceManager *resourceMan,
                                                VulkanCreationInfo &info,
                                                const VkPipelineLayoutCreateInfo *pCreateInfo)
  {
    descSetLayouts.resize(pCreateInfo->setLayoutCount);
    for(uint32_t i = 0; i < pCreateInfo->setLayoutCount; i++)
      descSetLayouts[i] = resourceMan->GetNonDispWrapper(pCreateInfo->pSetLayouts[i])->id;
  
    pushRanges.reserve(pCreateInfo->pushConstantRangeCount);
    for(uint32_t i = 0; i < pCreateInfo->pushConstantRangeCount; i++)
      pushRanges.push_back(pCreateInfo->pPushConstantRanges[i]);
  }
  
  void VulkanCreationInfo::RenderPass::Init(VulkanResourceManager *resourceMan,
                                            VulkanCreationInfo &info,
                                            const VkRenderPassCreateInfo *pCreateInfo)
  {
    attachments.reserve(pCreateInfo->attachmentCount);
    for(uint32_t i = 0; i < pCreateInfo->attachmentCount; i++)
      attachments.push_back(pCreateInfo->pAttachments[i]);
  
    subpasses.resize(pCreateInfo->subpassCount);
    for(uint32_t subp = 0; subp < pCreateInfo->subpassCount; subp++)
    {
      const VkSubpassDescription &src = pCreateInfo->pSubpasses[subp];
      Subpass &dst = subpasses[subp];
  
      dst.inputAttachments.resize(src.inputAttachmentCount);
      dst.inputLayouts.resize(src.inputAttachmentCount);
      for(uint32_t i = 0; i < src.inputAttachmentCount; i++)
      {
        dst.inputAttachments[i] = src.pInputAttachments[i].attachment;
        dst.inputLayouts[i] = src.pInputAttachments[i].layout;
      }
  
      dst.colorAttachments.resize(src.colorAttachmentCount);
      dst.colorLayouts.resize(src.colorAttachmentCount);
      for(uint32_t i = 0; i < src.colorAttachmentCount; i++)
      {
        dst.colorAttachments[i] = src.pColorAttachments[i].attachment;
        dst.colorLayouts[i] = src.pColorAttachments[i].layout;
      }
  
      dst.depthstencilAttachment =
          (src.pDepthStencilAttachment != NULL &&
                   src.pDepthStencilAttachment->attachment != VK_ATTACHMENT_UNUSED
               ? (int32_t)src.pDepthStencilAttachment->attachment
               : -1);
      dst.depthstencilLayout = (src.pDepthStencilAttachment != NULL &&
                                        src.pDepthStencilAttachment->attachment != VK_ATTACHMENT_UNUSED
                                    ? src.pDepthStencilAttachment->layout
                                    : VK_IMAGE_LAYOUT_UNDEFINED);
    }
  }
  
  void VulkanCreationInfo::Framebuffer::Init(VulkanResourceManager *resourceMan,
                                             VulkanCreationInfo &info,
                                             const VkFramebufferCreateInfo *pCreateInfo)
  {
    width = pCreateInfo->width;
    height = pCreateInfo->height;
    layers = pCreateInfo->layers;
  
    attachments.resize(pCreateInfo->attachmentCount);
    for(uint32_t i = 0; i < pCreateInfo->attachmentCount; i++)
    {
      attachments[i].view = resourceMan->GetNonDispWrapper(pCreateInfo->pAttachments[i])->id;
      attachments[i].format = info.m_ImageView[attachments[i].view].format;
    }
  }
  
  void VulkanCreationInfo::Memory::Init(VulkanResourceManager *resourceMan, VulkanCreationInfo &info,
                                        const VkMemoryAllocateInfo *pAllocInfo)
  {
    size = pAllocInfo->allocationSize;
  }
  
  void VulkanCreationInfo::Buffer::Init(VulkanResourceManager *resourceMan, VulkanCreationInfo &info,
                                        const VkBufferCreateInfo *pCreateInfo)
  {
    usage = pCreateInfo->usage;
    size = pCreateInfo->size;
  }
  
  void VulkanCreationInfo::BufferView::Init(VulkanResourceManager *resourceMan,
                                            VulkanCreationInfo &info,
                                            const VkBufferViewCreateInfo *pCreateInfo)
  {
    buffer = resourceMan->GetNonDispWrapper(pCreateInfo->buffer)->id;
    offset = pCreateInfo->offset;
    size = pCreateInfo->range;
  }
  
  void VulkanCreationInfo::Image::Init(VulkanResourceManager *resourceMan, VulkanCreationInfo &info,
                                       const VkImageCreateInfo *pCreateInfo)
  {
    view = VK_NULL_HANDLE;
    stencilView = VK_NULL_HANDLE;
  
    type = pCreateInfo->imageType;
    format = pCreateInfo->format;
    extent = pCreateInfo->extent;
    arrayLayers = pCreateInfo->arrayLayers;
    mipLevels = pCreateInfo->mipLevels;
    samples = RDCMAX(VK_SAMPLE_COUNT_1_BIT, pCreateInfo->samples);
  
    creationFlags = TextureCategory::NoFlags;
  
    if(pCreateInfo->usage & VK_IMAGE_USAGE_SAMPLED_BIT)
      creationFlags |= TextureCategory::ShaderRead;
    if(pCreateInfo->usage &
       (VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT))
      creationFlags |= TextureCategory::ColorTarget;
    if(pCreateInfo->usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT)
      creationFlags |= TextureCategory::DepthTarget;
    if(pCreateInfo->usage & VK_IMAGE_USAGE_STORAGE_BIT)
      creationFlags |= TextureCategory::ShaderReadWrite;
  
    cube = (pCreateInfo->flags & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT) ? true : false;
  }
  
  void VulkanCreationInfo::Sampler::Init(VulkanResourceManager *resourceMan, VulkanCreationInfo &info,
                                         const VkSamplerCreateInfo *pCreateInfo)
  {
    magFilter = pCreateInfo->magFilter;
    minFilter = pCreateInfo->minFilter;
    mipmapMode = pCreateInfo->mipmapMode;
    address[0] = pCreateInfo->addressModeU;
    address[1] = pCreateInfo->addressModeV;
    address[2] = pCreateInfo->addressModeW;
    mipLodBias = pCreateInfo->mipLodBias;
    maxAnisotropy = pCreateInfo->anisotropyEnable ? pCreateInfo->maxAnisotropy : 1.0f;
    compareEnable = pCreateInfo->compareEnable != 0;
    compareOp = pCreateInfo->compareOp;
    minLod = pCreateInfo->minLod;
    maxLod = pCreateInfo->maxLod;
    borderColor = pCreateInfo->borderColor;
    unnormalizedCoordinates = pCreateInfo->unnormalizedCoordinates != 0;
  }
  
  static TextureSwizzle Convert(VkComponentSwizzle s, int i)
  {
    switch(s)
    {
      default: RDCWARN("Unexpected component swizzle value %d", (int)s);
      case VK_COMPONENT_SWIZZLE_IDENTITY: break;
      case VK_COMPONENT_SWIZZLE_ZERO: return TextureSwizzle::Zero;
      case VK_COMPONENT_SWIZZLE_ONE: return TextureSwizzle::One;
      case VK_COMPONENT_SWIZZLE_R: return TextureSwizzle::Red;
      case VK_COMPONENT_SWIZZLE_G: return TextureSwizzle::Green;
      case VK_COMPONENT_SWIZZLE_B: return TextureSwizzle::Blue;
      case VK_COMPONENT_SWIZZLE_A: return TextureSwizzle::Alpha;
    }
  
    return TextureSwizzle(uint32_t(TextureSwizzle::Red) + i);
  }
  
  void VulkanCreationInfo::ImageView::Init(VulkanResourceManager *resourceMan, VulkanCreationInfo &info,
                                           const VkImageViewCreateInfo *pCreateInfo)
  {
    image = resourceMan->GetNonDispWrapper(pCreateInfo->image)->id;
    format = pCreateInfo->format;
    range = pCreateInfo->subresourceRange;
  
    if(range.levelCount == VK_REMAINING_MIP_LEVELS)
      range.levelCount = info.m_Image[image].mipLevels - range.baseMipLevel;
  
    if(range.layerCount == VK_REMAINING_ARRAY_LAYERS)
      range.layerCount = info.m_Image[image].arrayLayers - range.baseArrayLayer;
  
    swizzle[0] = Convert(pCreateInfo->components.r, 0);
    swizzle[1] = Convert(pCreateInfo->components.g, 1);
    swizzle[2] = Convert(pCreateInfo->components.b, 2);
    swizzle[3] = Convert(pCreateInfo->components.a, 3);
  }
  
  void VulkanCreationInfo::ShaderModule::Init(VulkanResourceManager *resourceMan,
                                              VulkanCreationInfo &info,
                                              const VkShaderModuleCreateInfo *pCreateInfo)
  {
    const uint32_t SPIRVMagic = 0x07230203;
    if(pCreateInfo->codeSize < 4 || memcmp(pCreateInfo->pCode, &SPIRVMagic, sizeof(SPIRVMagic)))
    {
      RDCWARN("Shader not provided with SPIR-V");
    }
    else
    {
      RDCASSERT(pCreateInfo->codeSize % sizeof(uint32_t) == 0);
      ParseSPIRV((uint32_t *)pCreateInfo->pCode, pCreateInfo->codeSize / sizeof(uint32_t), spirv);
    }
  }
  