Use flags from final linked pipeline with EXT_gpl if present

Author: baldurk

renderdoc/driver/vulkan/vk_info.cpp

@@ -1097,7 +1097,7 @@ void VulkanCreationInfo::Pipeline::Init(VulkanResourceManager *resourceMan,
   if(graphicsLibraryCreate)
     availStages = graphicsLibraryCreate->flags;
 
-  vertLayout = fragLayout = GetResID(pCreateInfo->layout);
+  ownLayout = vertLayout = fragLayout = GetResID(pCreateInfo->layout);
   renderpass = GetResID(pCreateInfo->renderPass);
   subpass = pCreateInfo->subpass;
 

renderdoc/driver/vulkan/vk_info.h

@@ -269,6 +269,10 @@ struct VulkanCreationInfo
 
     ResourceId compLayout;
 
+    // the pipeline's own specified layout, independent of vertLayout/fragLayout below when linking
+    // graphics pipeline libraries
+    ResourceId ownLayout;
+
     // these will be the same in some cases, but can be different if the application is using
     // INDEPENDENT_SETS_BIT_KHR
     ResourceId vertLayout;

renderdoc/driver/vulkan/vk_shader_cache.cpp

@@ -977,7 +977,9 @@ void VulkanShaderCache::MakeGraphicsPipelineInfo(VkGraphicsPipelineCreateInfo &p
 
       // don't have to handle separate vert/frag layouts as push constant ranges must be identical
       const VulkanCreationInfo::PipelineLayout &pipeLayoutInfo =
-          m_pDriver->m_CreationInfo.m_PipelineLayout[pipeInfo.vertLayout];
+          m_pDriver->m_CreationInfo
+              .m_PipelineLayout[pipeInfo.ownLayout != ResourceId() ? pipeInfo.ownLayout
+                                                                   : pipeInfo.vertLayout];
       const rdcarray<VkPushConstantRange> &push = pipeLayoutInfo.pushRanges;
 
       VkPipelineLayoutCreateInfo pipeLayoutCreateInfo = {