v98: replace vkUpdateDescriptors() by vkUpdateDescriptorSets()

Only slightly tested.

Conflicts:
	include/vulkan.h
diff --git a/tests/layer_validation_tests.cpp b/tests/layer_validation_tests.cpp
index 05fb363..4393d1d 100644
--- a/tests/layer_validation_tests.cpp
+++ b/tests/layer_validation_tests.cpp
@@ -1237,20 +1237,26 @@
     err = vkCreateSampler(m_device->device(), &sampler_ci, &sampler);
     ASSERT_VK_SUCCESS(err);
 
-    VkUpdateSamplers *pSamplerUpdate = (VkUpdateSamplers*)malloc(sizeof(VkUpdateSamplers));
+    VkDescriptorInfo descriptor_info;
+    memset(&descriptor_info, 0, sizeof(descriptor_info));
+    descriptor_info.sampler = sampler;
+
+    VkWriteDescriptorSet descriptor_write;
+    memset(&descriptor_write, 0, sizeof(descriptor_write));
+    descriptor_write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
+    descriptor_write.destSet = descriptorSet;
+    descriptor_write.count = 1;
     // This is a mismatched type for the layout which expects BUFFER
-    pSamplerUpdate->sType      = VK_STRUCTURE_TYPE_UPDATE_SAMPLERS;
-    pSamplerUpdate->pNext      = NULL;
-    pSamplerUpdate->binding    = 0;
-    pSamplerUpdate->arrayIndex = 0;
-    pSamplerUpdate->count      = 1;
-    pSamplerUpdate->pSamplers  = &sampler;
-    const void** ppUpdate = (const void**)&pSamplerUpdate;
-    vkUpdateDescriptors(m_device->device(), descriptorSet, 1, ppUpdate);
+    descriptor_write.descriptorType = VK_DESCRIPTOR_TYPE_SAMPLER;
+    descriptor_write.pDescriptors = &descriptor_info;
+
+    vkUpdateDescriptorSets(m_device->device(), 1, &descriptor_write, 0, NULL);
+
     msgType = m_errorMonitor->GetState(&msgString);
+    std::cout << msgString << "\n";
     ASSERT_EQ(msgType, VK_DBG_MSG_ERROR) << "Did not receive error after updating BUFFER Descriptor w/ incorrect type of SAMPLER.";
-    if (!strstr(msgString.c_str(),"Descriptor update type of VK_STRUCTURE_TYPE_UPDATE_SAMPLERS does not match ")) {
-        FAIL() << "Error received was not 'Descriptor update type of VK_STRUCTURE_TYPE_UPDATE_SAMPLERS does not match overlapping binding type!'";
+    if (!strstr(msgString.c_str(),"Descriptor update type of VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET does not match ")) {
+        FAIL() << "Error received was not 'Descriptor update type of VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET does not match overlapping binding type!'";
     }
 }
 
@@ -1318,20 +1324,27 @@
     VkSampler sampler;
     err = vkCreateSampler(m_device->device(), &sampler_ci, &sampler);
     ASSERT_VK_SUCCESS(err);
+
+    VkDescriptorInfo descriptor_info;
+    memset(&descriptor_info, 0, sizeof(descriptor_info));
+    descriptor_info.sampler = sampler;
+
+    VkWriteDescriptorSet descriptor_write;
+    memset(&descriptor_write, 0, sizeof(descriptor_write));
+    descriptor_write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
+    descriptor_write.destSet = descriptorSet;
+    descriptor_write.destArrayElement = 1; /* This index out of bounds for the update */
+    descriptor_write.count = 1;
     // This is the wrong type, but out of bounds will be flagged first
-    VkUpdateSamplers *pSamplerUpdate = (VkUpdateSamplers*)malloc(sizeof(VkUpdateSamplers));
-    pSamplerUpdate->sType      = VK_STRUCTURE_TYPE_UPDATE_SAMPLERS;
-    pSamplerUpdate->pNext      = NULL;
-    pSamplerUpdate->binding    = 0;
-    pSamplerUpdate->arrayIndex = 1; /* This index out of bounds for the update */
-    pSamplerUpdate->count      = 1;
-    pSamplerUpdate->pSamplers  = &sampler;
-    const void** ppUpdate = (const void**)&pSamplerUpdate;
-    vkUpdateDescriptors(m_device->device(), descriptorSet, 1, ppUpdate);
+    descriptor_write.descriptorType = VK_DESCRIPTOR_TYPE_SAMPLER;
+    descriptor_write.pDescriptors = &descriptor_info;
+
+    vkUpdateDescriptorSets(m_device->device(), 1, &descriptor_write, 0, NULL);
+
     msgType = m_errorMonitor->GetState(&msgString);
     ASSERT_EQ(msgType, VK_DBG_MSG_ERROR) << "Did not receive error after updating Descriptor w/ index out of bounds.";
-    if (!strstr(msgString.c_str(),"Descriptor update type of VK_STRUCTURE_TYPE_UPDATE_SAMPLERS is out of bounds for matching binding")) {
-        FAIL() << "Error received was not 'Descriptor update type of VK_STRUCTURE_TYPE_UPDATE_SAMPLERS is out of bounds for matching binding...'";
+    if (!strstr(msgString.c_str(),"Descriptor update type of VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET is out of bounds for matching binding")) {
+        FAIL() << "Error received was not 'Descriptor update type of VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET is out of bounds for matching binding...'";
     }
 }
 
@@ -1399,16 +1412,23 @@
     VkSampler sampler;
     err = vkCreateSampler(m_device->device(), &sampler_ci, &sampler);
     ASSERT_VK_SUCCESS(err);
+
+    VkDescriptorInfo descriptor_info;
+    memset(&descriptor_info, 0, sizeof(descriptor_info));
+    descriptor_info.sampler = sampler;
+
+    VkWriteDescriptorSet descriptor_write;
+    memset(&descriptor_write, 0, sizeof(descriptor_write));
+    descriptor_write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
+    descriptor_write.destSet = descriptorSet;
+    descriptor_write.destBinding = 2;
+    descriptor_write.count = 1;
     // This is the wrong type, but out of bounds will be flagged first
-    VkUpdateSamplers *pSamplerUpdate = (VkUpdateSamplers*)malloc(sizeof(VkUpdateSamplers));
-    pSamplerUpdate->sType      = VK_STRUCTURE_TYPE_UPDATE_SAMPLERS;
-    pSamplerUpdate->pNext      = NULL;
-    pSamplerUpdate->binding    = 2; /* This binding too big for the update */
-    pSamplerUpdate->arrayIndex = 0;
-    pSamplerUpdate->count      = 1;
-    pSamplerUpdate->pSamplers  = &sampler;
-    const void** ppUpdate = (const void**)&pSamplerUpdate;
-    vkUpdateDescriptors(m_device->device(), descriptorSet, 1, ppUpdate);
+    descriptor_write.descriptorType = VK_DESCRIPTOR_TYPE_SAMPLER;
+    descriptor_write.pDescriptors = &descriptor_info;
+
+    vkUpdateDescriptorSets(m_device->device(), 1, &descriptor_write, 0, NULL);
+
     msgType = m_errorMonitor->GetState(&msgString);
     ASSERT_EQ(msgType, VK_DBG_MSG_ERROR) << "Did not receive error after updating Descriptor w/ count too large for layout.";
     if (!strstr(msgString.c_str()," does not have binding to match update binding ")) {
@@ -1480,16 +1500,23 @@
     VkSampler sampler;
     err = vkCreateSampler(m_device->device(), &sampler_ci, &sampler);
     ASSERT_VK_SUCCESS(err);
+
+
+    VkDescriptorInfo descriptor_info;
+    memset(&descriptor_info, 0, sizeof(descriptor_info));
+    descriptor_info.sampler = sampler;
+
+    VkWriteDescriptorSet descriptor_write;
+    memset(&descriptor_write, 0, sizeof(descriptor_write));
+    descriptor_write.sType = (VkStructureType)0x99999999; /* Intentionally broken struct type */
+    descriptor_write.destSet = descriptorSet;
+    descriptor_write.count = 1;
     // This is the wrong type, but out of bounds will be flagged first
-    VkUpdateSamplers *pSamplerUpdate = (VkUpdateSamplers*)malloc(sizeof(VkUpdateSamplers));
-    pSamplerUpdate->sType      = (VkStructureType)0x99999999; /* Intentionally broken struct type */
-    pSamplerUpdate->pNext      = NULL;
-    pSamplerUpdate->binding    = 0;
-    pSamplerUpdate->arrayIndex = 0;
-    pSamplerUpdate->count      = 1;
-    pSamplerUpdate->pSamplers  = &sampler;
-    const void** ppUpdate = (const void**)&pSamplerUpdate;
-    vkUpdateDescriptors(m_device->device(), descriptorSet, 1, ppUpdate);
+    descriptor_write.descriptorType = VK_DESCRIPTOR_TYPE_SAMPLER;
+    descriptor_write.pDescriptors = &descriptor_info;
+
+    vkUpdateDescriptorSets(m_device->device(), 1, &descriptor_write, 0, NULL);
+
     msgType = m_errorMonitor->GetState(&msgString);
     ASSERT_EQ(msgType, VK_DBG_MSG_ERROR) << "Did not receive error after updating Descriptor w/ invalid struct type.";
     if (!strstr(msgString.c_str(),"Unexpected UPDATE struct of type ")) {
diff --git a/tests/render_tests.cpp b/tests/render_tests.cpp
index 3e6ad95..b7472e9 100644
--- a/tests/render_tests.cpp
+++ b/tests/render_tests.cpp
@@ -277,7 +277,7 @@
 protected:
     VkImage m_texture;
     VkImageView m_textureView;
-    VkImageViewAttachInfo m_textureViewInfo;
+    VkDescriptorInfo m_descriptorInfo;
     VkDeviceMemory m_textureMem;
 
     VkSampler m_sampler;
@@ -293,8 +293,7 @@
         this->app_info.engineVersion = 1;
         this->app_info.apiVersion = VK_API_VERSION;
 
-        memset(&m_textureViewInfo, 0, sizeof(m_textureViewInfo));
-        m_textureViewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_ATTACH_INFO;
+        memset(&m_descriptorInfo, 0, sizeof(m_descriptorInfo));
 
         InitFramework();
     }
diff --git a/tests/vkrenderframework.cpp b/tests/vkrenderframework.cpp
index 4dd04c6..5a1da2b 100644
--- a/tests/vkrenderframework.cpp
+++ b/tests/vkrenderframework.cpp
@@ -308,8 +308,8 @@
     tc.count = 1;
     m_type_counts.push_back(tc);
 
-    m_updateBuffers.push_back(vk_testing::DescriptorSet::update(type,
-                m_nextSlot, 0, 1, &constantBuffer.m_bufferViewInfo));
+    m_writes.push_back(vk_testing::Device::write_descriptor_set(vk_testing::DescriptorSet(),
+                m_nextSlot, 0, type, 1, &constantBuffer.m_descriptorInfo));
 
     return m_nextSlot++;
 }
@@ -321,13 +321,12 @@
     tc.count = 1;
     m_type_counts.push_back(tc);
 
-    VkSamplerImageViewInfo tmp = {};
+    VkDescriptorInfo tmp = texture->m_descriptorInfo;
     tmp.sampler = sampler->obj();
-    tmp.pImageView = &texture->m_textureViewInfo;
-    m_samplerTextureInfo.push_back(tmp);
+    m_imageSamplerDescriptors.push_back(tmp);
 
-    m_updateSamplerTextures.push_back(vk_testing::DescriptorSet::update(m_nextSlot, 0, 1,
-                (const VkSamplerImageViewInfo *) NULL));
+    m_writes.push_back(vk_testing::Device::write_descriptor_set(vk_testing::DescriptorSet(),
+                m_nextSlot, 0, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, NULL));
 
     return m_nextSlot++;
 }
@@ -383,26 +382,24 @@
     m_set = alloc_sets(*m_device, VK_DESCRIPTOR_SET_USAGE_STATIC, m_layout);
 
     // build the update array
-    vector<const void *> update_array;
-
-    for (int i = 0; i < m_updateBuffers.size(); i++) {
-        update_array.push_back(&m_updateBuffers[i]);
-    }
-    for (int i = 0; i < m_updateSamplerTextures.size(); i++) {
-        m_updateSamplerTextures[i].pSamplerImageViews = &m_samplerTextureInfo[i];
-        update_array.push_back(&m_updateSamplerTextures[i]);
+    size_t imageSamplerCount = 0;
+    for (std::vector<VkWriteDescriptorSet>::iterator it = m_writes.begin();
+         it != m_writes.end(); it++) {
+        it->destSet = m_set->obj();
+        if (it->descriptorType == VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER)
+            it->pDescriptors = &m_imageSamplerDescriptors[imageSamplerCount++];
     }
 
     // do the updates
     clear_sets(*m_set);
-    m_set->update(update_array);
+    m_device->update_descriptor_sets(m_writes);
 }
 
 VkImageObj::VkImageObj(VkDeviceObj *dev)
 {
     m_device = dev;
-    m_imageInfo.view = VK_NULL_HANDLE;
-    m_imageInfo.layout = VK_IMAGE_LAYOUT_GENERAL;
+    m_descriptorInfo.imageView = VK_NULL_HANDLE;
+    m_descriptorInfo.imageLayout = VK_IMAGE_LAYOUT_GENERAL;
 }
 
 void VkImageObj::ImageMemoryBarrier(
@@ -461,7 +458,7 @@
             VK_MEMORY_INPUT_DEPTH_STENCIL_ATTACHMENT_BIT |
             VK_MEMORY_INPUT_TRANSFER_BIT;
 
-    if (image_layout == m_imageInfo.layout) {
+    if (image_layout == m_descriptorInfo.imageLayout) {
         return;
     }
 
@@ -489,7 +486,7 @@
     }
 
     ImageMemoryBarrier(cmd_buf, aspect, output_mask, input_mask, image_layout);
-    m_imageInfo.layout = image_layout;
+    m_descriptorInfo.imageLayout = image_layout;
 }
 
 void VkImageObj::SetLayout(VkImageAspect aspect,
@@ -660,9 +657,7 @@
     if (colors == NULL)
         colors = tex_colors;
 
-    memset(&m_textureViewInfo,0,sizeof(m_textureViewInfo));
-
-    m_textureViewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_ATTACH_INFO;
+    memset(&m_descriptorInfo,0,sizeof(m_descriptorInfo));
 
     VkImageViewCreateInfo view = {};
     view.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
@@ -687,7 +682,7 @@
     /* create image view */
     view.image = obj();
     m_textureView.init(*m_device, view);
-    m_textureViewInfo.view = m_textureView.obj();
+    m_descriptorInfo.imageView = m_textureView.obj();
 
     data = stagingImage.map();
 
@@ -731,7 +726,7 @@
     m_device = device;
     m_commandBuffer = 0;
 
-    memset(&m_bufferViewInfo,0,sizeof(m_bufferViewInfo));
+    memset(&m_descriptorInfo,0,sizeof(m_descriptorInfo));
 }
 
 VkConstantBufferObj::~VkConstantBufferObj()
@@ -747,7 +742,7 @@
     m_device = device;
     m_commandBuffer = 0;
 
-    memset(&m_bufferViewInfo,0,sizeof(m_bufferViewInfo));
+    memset(&m_descriptorInfo,0,sizeof(m_descriptorInfo));
     m_numVertices = constantCount;
     m_stride = constantSize;
 
@@ -768,8 +763,7 @@
     view_info.range  = allocationSize;
     m_bufferView.init(*m_device, view_info);
 
-    this->m_bufferViewInfo.sType = VK_STRUCTURE_TYPE_BUFFER_VIEW_ATTACH_INFO;
-    this->m_bufferViewInfo.view = m_bufferView.obj();
+    this->m_descriptorInfo.bufferView = m_bufferView.obj();
 }
 
 void VkConstantBufferObj::Bind(VkCmdBuffer cmdBuffer, VkDeviceSize offset, uint32_t binding)
@@ -888,8 +882,7 @@
     view_info.range  = allocationSize;
     m_bufferView.init(*m_device, view_info);
 
-    this->m_bufferViewInfo.sType = VK_STRUCTURE_TYPE_BUFFER_VIEW_ATTACH_INFO;
-    this->m_bufferViewInfo.view = m_bufferView.obj();
+    this->m_descriptorInfo.bufferView = m_bufferView.obj();
 }
 
 void VkIndexBufferObj::Bind(VkCmdBuffer cmdBuffer, VkDeviceSize offset)
diff --git a/tests/vkrenderframework.h b/tests/vkrenderframework.h
index 587dba7..a265bc7 100644
--- a/tests/vkrenderframework.h
+++ b/tests/vkrenderframework.h
@@ -212,7 +212,7 @@
 
     void Bind(VkCmdBuffer cmdBuffer, VkDeviceSize offset, uint32_t binding);
 
-    VkBufferViewAttachInfo     m_bufferViewInfo;
+    VkDescriptorInfo                    m_descriptorInfo;
 
 protected:
     VkDeviceObj                        *m_device;
@@ -251,7 +251,7 @@
 
     void layout( VkImageLayout layout )
     {
-        m_imageInfo.layout = layout;
+        m_descriptorInfo.imageLayout = layout;
     }
 
     VkDeviceMemory memory() const
@@ -296,7 +296,7 @@
 
     VkImageLayout layout() const
     {
-        return ( VkImageLayout )m_imageInfo.layout;
+        return m_descriptorInfo.imageLayout;
     }
     uint32_t width() const
     {
@@ -318,15 +318,15 @@
     VkDeviceObj                        *m_device;
 
     vk_testing::ColorAttachmentView     m_targetView;
-    VkImageViewAttachInfo               m_imageInfo;
+    VkDescriptorInfo                    m_descriptorInfo;
 };
 
 class VkTextureObj : public VkImageObj
 {
 public:
     VkTextureObj(VkDeviceObj *device, uint32_t *colors = NULL);
-    VkImageViewAttachInfo m_textureViewInfo;
 
+    VkDescriptorInfo                    m_descriptorInfo;
 
 protected:
     VkDeviceObj                        *m_device;
@@ -365,10 +365,8 @@
     vector<VkDescriptorTypeCount>       m_type_counts;
     int                                 m_nextSlot;
 
-    vector<VkUpdateBuffers>             m_updateBuffers;
-
-    vector<VkSamplerImageViewInfo>      m_samplerTextureInfo;
-    vector<VkUpdateSamplerTextures>     m_updateSamplerTextures;
+    vector<VkDescriptorInfo>            m_imageSamplerDescriptors;
+    vector<VkWriteDescriptorSet>        m_writes;
 
     vk_testing::DescriptorSetLayout     m_layout;
     vk_testing::PipelineLayout          m_pipeline_layout;
diff --git a/tests/vktestbinding.cpp b/tests/vktestbinding.cpp
index b0d83ca..8579b7e 100644
--- a/tests/vktestbinding.cpp
+++ b/tests/vktestbinding.cpp
@@ -488,6 +488,11 @@
     return err;
 }
 
+VkResult Device::update_descriptor_sets(const std::vector<VkWriteDescriptorSet> &writes, const std::vector<VkCopyDescriptorSet> &copies)
+{
+    return vkUpdateDescriptorSets(obj(), writes.size(), &writes[0], copies.size(), &copies[0]);
+}
+
 void Queue::submit(const std::vector<const CmdBuffer *> &cmds, Fence &fence)
 {
     const std::vector<VkCmdBuffer> cmd_objs = make_objects<VkCmdBuffer>(cmds);
@@ -888,11 +893,6 @@
     vkClearDescriptorSets(dev_->obj(), obj(), set_objs.size(), &set_objs[0]);
 }
 
-void DescriptorSet::update(const std::vector<const void *> &update_array)
-{
-    vkUpdateDescriptors(dev_->obj(), obj(), update_array.size(), const_cast<const void **>(&update_array[0]));
-}
-
 void DynamicVpStateObject::init(const Device &dev, const VkDynamicVpStateCreateInfo &info)
 {
     DERIVED_OBJECT_TYPE_INIT(vkCreateDynamicViewportState, dev, VK_OBJECT_TYPE_DYNAMIC_VP_STATE, &info);
diff --git a/tests/vktestbinding.h b/tests/vktestbinding.h
index 93b2722..89aee53 100644
--- a/tests/vktestbinding.h
+++ b/tests/vktestbinding.h
@@ -235,6 +235,19 @@
     VkResult wait(const std::vector<const Fence *> &fences, bool wait_all, uint64_t timeout);
     VkResult wait(const Fence &fence) { return wait(std::vector<const Fence *>(1, &fence), true, (uint64_t) -1); }
 
+    // vkUpdateDescriptorSets()
+    VkResult update_descriptor_sets(const std::vector<VkWriteDescriptorSet> &writes, const std::vector<VkCopyDescriptorSet> &copies);
+    VkResult update_descriptor_sets(const std::vector<VkWriteDescriptorSet> &writes) { return update_descriptor_sets(writes, std::vector<VkCopyDescriptorSet>()); }
+
+    static VkWriteDescriptorSet write_descriptor_set(const DescriptorSet &set, uint32_t binding, uint32_t array_element,
+                                                     VkDescriptorType type, uint32_t count, const VkDescriptorInfo *descriptors);
+    static VkWriteDescriptorSet write_descriptor_set(const DescriptorSet &set, uint32_t binding, uint32_t array_element,
+                                                     VkDescriptorType type, const std::vector<VkDescriptorInfo> &descriptors);
+
+    static VkCopyDescriptorSet copy_descriptor_set(const DescriptorSet &src_set, uint32_t src_binding, uint32_t src_array_element,
+                                                   const DescriptorSet &dst_set, uint32_t dst_binding, uint32_t dst_array_element,
+                                                   uint32_t count);
+
 private:
     enum QueueIndex {
         GRAPHICS,
@@ -548,27 +561,8 @@
 
 class DescriptorSet : public DerivedObject<VkDescriptorSet, Object, VK_OBJECT_TYPE_DESCRIPTOR_SET> {
 public:
+    explicit DescriptorSet() : DerivedObject() {}
     explicit DescriptorSet(const Device &dev, VkDescriptorSet set) : DerivedObject(dev, set) {}
-
-    // vkUpdateDescriptors()
-    void update(const std::vector<const void *> &update_array);
-
-    static VkUpdateSamplers update(uint32_t binding, uint32_t index, uint32_t count, const VkSampler *samplers);
-    static VkUpdateSamplers update(uint32_t binding, uint32_t index, const std::vector<VkSampler> &samplers);
-
-    static VkUpdateSamplerTextures update(uint32_t binding, uint32_t index, uint32_t count, const VkSamplerImageViewInfo *textures);
-    static VkUpdateSamplerTextures update(uint32_t binding, uint32_t index, const std::vector<VkSamplerImageViewInfo> &textures);
-
-    static VkUpdateImages update(VkDescriptorType type, uint32_t binding, uint32_t index, uint32_t count, const VkImageViewAttachInfo *views);
-    static VkUpdateImages update(VkDescriptorType type, uint32_t binding, uint32_t index, const std::vector<VkImageViewAttachInfo> &views);
-
-    static VkUpdateBuffers update(VkDescriptorType type, uint32_t binding, uint32_t index, uint32_t count, const VkBufferViewAttachInfo *views);
-    static VkUpdateBuffers update(VkDescriptorType type, uint32_t binding, uint32_t index, const std::vector<VkBufferViewAttachInfo> &views);
-
-    static VkUpdateAsCopy update(VkDescriptorType type, uint32_t binding, uint32_t index, uint32_t count, const DescriptorSet &set);
-
-    static VkBufferViewAttachInfo attach_info(const BufferView &view);
-    static VkImageViewAttachInfo attach_info(const ImageView &view, VkImageLayout layout);
 };
 
 class DynamicVpStateObject : public DerivedObject<VkDynamicVpState, DynamicStateObject, VK_OBJECT_TYPE_DYNAMIC_VP_STATE> {
@@ -792,103 +786,41 @@
     return info;
 }
 
-inline VkBufferViewAttachInfo DescriptorSet::attach_info(const BufferView &view)
+inline VkWriteDescriptorSet Device::write_descriptor_set(const DescriptorSet &set, uint32_t binding, uint32_t array_element,
+                                                         VkDescriptorType type, uint32_t count, const VkDescriptorInfo *descriptors)
 {
-    VkBufferViewAttachInfo info = {};
-    info.sType = VK_STRUCTURE_TYPE_BUFFER_VIEW_ATTACH_INFO;
-    info.view = view.obj();
-    return info;
+    VkWriteDescriptorSet write = {};
+    write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
+    write.destSet = set.obj();
+    write.destBinding = binding;
+    write.destArrayElement = array_element;
+    write.count = count;
+    write.descriptorType = type;
+    write.pDescriptors = descriptors;
+    return write;
 }
 
-inline VkImageViewAttachInfo DescriptorSet::attach_info(const ImageView &view, VkImageLayout layout)
+inline VkWriteDescriptorSet Device::write_descriptor_set(const DescriptorSet &set, uint32_t binding, uint32_t array_element,
+                                                         VkDescriptorType type, const std::vector<VkDescriptorInfo> &descriptors)
 {
-    VkImageViewAttachInfo info = {};
-    info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_ATTACH_INFO;
-    info.view = view.obj();
-    info.layout = layout;
-    return info;
+    return write_descriptor_set(set, binding, array_element, type, descriptors.size(), &descriptors[0]);
 }
 
-inline VkUpdateSamplers DescriptorSet::update(uint32_t binding, uint32_t index, uint32_t count, const VkSampler *samplers)
+inline VkCopyDescriptorSet Device::copy_descriptor_set(const DescriptorSet &src_set, uint32_t src_binding, uint32_t src_array_element,
+                                                       const DescriptorSet &dst_set, uint32_t dst_binding, uint32_t dst_array_element,
+                                                       uint32_t count)
 {
-    VkUpdateSamplers info = {};
-    info.sType = VK_STRUCTURE_TYPE_UPDATE_SAMPLERS;
-    info.binding = binding;
-    info.arrayIndex = index;
-    info.count = count;
-    info.pSamplers = samplers;
-    return info;
-}
+    VkCopyDescriptorSet copy = {};
+    copy.sType = VK_STRUCTURE_TYPE_COPY_DESCRIPTOR_SET;
+    copy.srcSet = src_set.obj();
+    copy.srcBinding = src_binding;
+    copy.srcArrayElement = src_array_element;
+    copy.destSet = dst_set.obj();
+    copy.destBinding = dst_binding;
+    copy.destArrayElement = dst_array_element;
+    copy.count = count;
 
-inline VkUpdateSamplers DescriptorSet::update(uint32_t binding, uint32_t index, const std::vector<VkSampler> &samplers)
-{
-    return update(binding, index, samplers.size(), &samplers[0]);
-}
-
-inline VkUpdateSamplerTextures DescriptorSet::update(uint32_t binding, uint32_t index, uint32_t count, const VkSamplerImageViewInfo *textures)
-{
-    VkUpdateSamplerTextures info = {};
-    info.sType = VK_STRUCTURE_TYPE_UPDATE_SAMPLER_TEXTURES;
-    info.binding = binding;
-    info.arrayIndex = index;
-    info.count = count;
-    info.pSamplerImageViews = textures;
-    return info;
-}
-
-inline VkUpdateSamplerTextures DescriptorSet::update(uint32_t binding, uint32_t index, const std::vector<VkSamplerImageViewInfo> &textures)
-{
-    return update(binding, index, textures.size(), &textures[0]);
-}
-
-inline VkUpdateImages DescriptorSet::update(VkDescriptorType type, uint32_t binding, uint32_t index, uint32_t count,
-                                               const VkImageViewAttachInfo *views)
-{
-    VkUpdateImages info = {};
-    info.sType = VK_STRUCTURE_TYPE_UPDATE_IMAGES;
-    info.descriptorType = type;
-    info.binding = binding;
-    info.arrayIndex = index;
-    info.count = count;
-    info.pImageViews = views;
-    return info;
-}
-
-inline VkUpdateImages DescriptorSet::update(VkDescriptorType type, uint32_t binding, uint32_t index,
-                                               const std::vector<VkImageViewAttachInfo> &views)
-{
-    return update(type, binding, index, views.size(), &views[0]);
-}
-
-inline VkUpdateBuffers DescriptorSet::update(VkDescriptorType type, uint32_t binding, uint32_t index, uint32_t count,
-                                                const VkBufferViewAttachInfo *views)
-{
-    VkUpdateBuffers info = {};
-    info.sType = VK_STRUCTURE_TYPE_UPDATE_BUFFERS;
-    info.descriptorType = type;
-    info.binding = binding;
-    info.arrayIndex = index;
-    info.count = count;
-    info.pBufferViews = views;
-    return info;
-}
-
-inline VkUpdateBuffers DescriptorSet::update(VkDescriptorType type, uint32_t binding, uint32_t index,
-                                                const std::vector<VkBufferViewAttachInfo> &views)
-{
-    return update(type, binding, index, views.size(), &views[0]);
-}
-
-inline VkUpdateAsCopy DescriptorSet::update(VkDescriptorType type, uint32_t binding, uint32_t index, uint32_t count, const DescriptorSet &set)
-{
-    VkUpdateAsCopy info = {};
-    info.sType = VK_STRUCTURE_TYPE_UPDATE_AS_COPY;
-    info.descriptorType = type;
-    info.binding = binding;
-    info.arrayElement = index;
-    info.count = count;
-    info.descriptorSet = set.obj();
-    return info;
+    return copy;
 }
 
 inline VkCmdBufferCreateInfo CmdBuffer::create_info(uint32_t queueNodeIndex)