bug 14876: Can timestamps be written inside a renderpass? (WIP)

Timestamps are written to a query pool.

https://cvs.khronos.org/bugzilla/show_bug.cgi?id=14876
diff --git a/layers/draw_state.cpp b/layers/draw_state.cpp
index 2b6d55e..fec569f 100755
--- a/layers/draw_state.cpp
+++ b/layers/draw_state.cpp
@@ -3236,7 +3236,7 @@
                            startQuery, queryCount, destBuffer, destOffset, stride, flags);
 }
 
-VK_LAYER_EXPORT void VKAPI vkCmdWriteTimestamp(VkCmdBuffer cmdBuffer, VkPipelineStageFlagBits pipelineStage, VkBuffer destBuffer, VkDeviceSize destOffset)
+VK_LAYER_EXPORT void VKAPI vkCmdWriteTimestamp(VkCmdBuffer cmdBuffer, VkPipelineStageFlagBits pipelineStage, VkQueryPool queryPool, uint32_t slot)
 {
     VkBool32 skipCall = VK_FALSE;
     layer_data* dev_data = get_my_data_ptr(get_dispatch_key(cmdBuffer), layer_data_map);
@@ -3250,7 +3250,7 @@
         }
     }
     if (VK_FALSE == skipCall)
-        dev_data->device_dispatch_table->CmdWriteTimestamp(cmdBuffer, pipelineStage, destBuffer, destOffset);
+        dev_data->device_dispatch_table->CmdWriteTimestamp(cmdBuffer, pipelineStage, queryPool, slot);
 }
 
 VK_LAYER_EXPORT VkResult VKAPI vkCreateFramebuffer(VkDevice device, const VkFramebufferCreateInfo* pCreateInfo, VkFramebuffer* pFramebuffer)