Store the size of the push constant range in the vulkan pipeline state

renderdoc/driver/vulkan/vk_replay.cpp

@@ -802,9 +802,8 @@ void VulkanReplay::SavePipelineState()
 
   m_VulkanPipelineState = VKPipe::State();
 
-  m_VulkanPipelineState.pushconsts.resize(ARRAY_COUNT(state.pushconsts));
-  memcpy(m_VulkanPipelineState.pushconsts.data(), state.pushconsts,
-         m_VulkanPipelineState.pushconsts.size());
+  m_VulkanPipelineState.pushconsts.resize(state.pushConstSize);
+  memcpy(m_VulkanPipelineState.pushconsts.data(), state.pushconsts, state.pushConstSize);
 
   // General pipeline properties
   m_VulkanPipelineState.compute.pipelineResourceId = rm->GetOriginalID(state.compute.pipeline);

renderdoc/driver/vulkan/vk_state.h

@@ -68,6 +68,8 @@ struct VulkanRenderState
 
   // this should be big enough for any implementation
   byte pushconsts[1024];
+  // the actual number of bytes that have been uploaded
+  uint32_t pushConstSize = 0;
 
   ResourceId renderPass;
   uint32_t subpass;

renderdoc/driver/vulkan/wrappers/vk_cmd_funcs.cpp

@@ -1980,6 +1980,8 @@ bool WrappedVulkan::Serialise_vkCmdPushConstants(SerialiserType &ser, VkCommandB
           RDCASSERT(start + length < (uint32_t)ARRAY_COUNT(m_RenderState.pushconsts));
 
           memcpy(m_RenderState.pushconsts + start, values, length);
+
+          m_RenderState.pushConstSize = RDCMAX(m_RenderState.pushConstSize, start + length);
         }
       }
     }