From 6d8923d41ff611456d52b25543a9a19f66bb89bf Mon Sep 17 00:00:00 2001
From: Tobin Ehlis <tobine@google.com>
Date: Wed, 21 Jun 2017 10:16:10 -0600
Subject: layers:Make DSLayout const in shared_ptrs

Declare DescriptorSetLayout's const for shared_ptrs in Pipeline layout
and DSAllocate structs.
---
 layers/core_validation.cpp     | 6 +++---
 layers/core_validation_types.h | 4 ++--
 layers/descriptor_sets.h       | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/layers/core_validation.cpp b/layers/core_validation.cpp
index cf4b738a..62bdb774 100644
--- a/layers/core_validation.cpp
+++ b/layers/core_validation.cpp
@@ -149,7 +149,7 @@ struct layer_data {
     unordered_map<VkCommandPool, COMMAND_POOL_NODE> commandPoolMap;
     unordered_map<VkDescriptorPool, DESCRIPTOR_POOL_STATE *> descriptorPoolMap;
     unordered_map<VkDescriptorSet, cvdescriptorset::DescriptorSet *> setMap;
-    unordered_map<VkDescriptorSetLayout, std::shared_ptr<cvdescriptorset::DescriptorSetLayout>> descriptorSetLayoutMap;
+    unordered_map<VkDescriptorSetLayout, std::shared_ptr<cvdescriptorset::DescriptorSetLayout const>> descriptorSetLayoutMap;
     unordered_map<VkPipelineLayout, PIPELINE_LAYOUT_NODE> pipelineLayoutMap;
     unordered_map<VkDeviceMemory, unique_ptr<DEVICE_MEM_INFO>> memObjMap;
     unordered_map<VkFence, FENCE_NODE> fenceMap;
@@ -709,8 +709,8 @@ FRAMEBUFFER_STATE *GetFramebufferState(const layer_data *dev_data, VkFramebuffer
     return it->second.get();
 }
 
-std::shared_ptr<cvdescriptorset::DescriptorSetLayout> const GetDescriptorSetLayout(layer_data const *dev_data,
-                                                                                   VkDescriptorSetLayout dsLayout) {
+std::shared_ptr<cvdescriptorset::DescriptorSetLayout const> const GetDescriptorSetLayout(layer_data const *dev_data,
+                                                                                         VkDescriptorSetLayout dsLayout) {
     auto it = dev_data->descriptorSetLayoutMap.find(dsLayout);
     if (it == dev_data->descriptorSetLayoutMap.end()) {
         return nullptr;
diff --git a/layers/core_validation_types.h b/layers/core_validation_types.h
index 785c1593..1d2761a7 100644
--- a/layers/core_validation_types.h
+++ b/layers/core_validation_types.h
@@ -526,7 +526,7 @@ struct hash<ImageSubresourcePair> {
 // Store layouts and pushconstants for PipelineLayout
 struct PIPELINE_LAYOUT_NODE {
     VkPipelineLayout layout;
-    std::vector<std::shared_ptr<cvdescriptorset::DescriptorSetLayout>> set_layouts;
+    std::vector<std::shared_ptr<cvdescriptorset::DescriptorSetLayout const>> set_layouts;
     std::vector<VkPushConstantRange> push_constant_ranges;
 
     PIPELINE_LAYOUT_NODE() : layout(VK_NULL_HANDLE), set_layouts{}, push_constant_ranges{} {}
@@ -765,7 +765,7 @@ struct DeviceExtensions;
 namespace core_validation {
 struct layer_data;
 cvdescriptorset::DescriptorSet *GetSetNode(const layer_data *, VkDescriptorSet);
-std::shared_ptr<cvdescriptorset::DescriptorSetLayout> const GetDescriptorSetLayout(layer_data const *, VkDescriptorSetLayout);
+std::shared_ptr<cvdescriptorset::DescriptorSetLayout const> const GetDescriptorSetLayout(layer_data const *, VkDescriptorSetLayout);
 DESCRIPTOR_POOL_STATE *GetDescriptorPoolState(const layer_data *, const VkDescriptorPool);
 BUFFER_STATE *GetBufferState(const layer_data *, VkBuffer);
 IMAGE_STATE *GetImageState(const layer_data *, VkImage);
diff --git a/layers/descriptor_sets.h b/layers/descriptor_sets.h
index 239a477c..56719d58 100644
--- a/layers/descriptor_sets.h
+++ b/layers/descriptor_sets.h
@@ -276,7 +276,7 @@ class BufferDescriptor : public Descriptor {
 // Structs to contain common elements that need to be shared between Validate* and Perform* calls below
 struct AllocateDescriptorSetsData {
     uint32_t required_descriptors_by_type[VK_DESCRIPTOR_TYPE_RANGE_SIZE];
-    std::vector<std::shared_ptr<DescriptorSetLayout>> layout_nodes;
+    std::vector<std::shared_ptr<DescriptorSetLayout const>> layout_nodes;
     AllocateDescriptorSetsData(uint32_t);
 };
 // Helper functions for descriptor set functions that cross multiple sets
-- 
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