layers: Track surface support for gpu+queue

Signed-off-by: Chris Forbes <chrisforbes@google.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/layers/core_validation.h b/layers/core_validation.h
index 58383eaf..ac431385 100644
--- a/layers/core_validation.h
+++ b/layers/core_validation.h
@@ -223,10 +223,28 @@ struct PHYSICAL_DEVICE_STATE {
     VkSurfaceCapabilitiesKHR surfaceCapabilities = {};
 };
 
+struct GpuQueue {
+    VkPhysicalDevice gpu;
+    uint32_t queue_family_index;
+};
+
+inline bool operator==(GpuQueue const & lhs, GpuQueue const & rhs) {
+    return (lhs.gpu == rhs.gpu && lhs.queue_family_index == rhs.queue_family_index);
+}
+
+namespace std {
+template <> struct hash<GpuQueue> {
+    size_t operator()(GpuQueue gq) const throw() {
+        return hash<uint64_t>()((uint64_t)(gq.gpu)) ^ hash<uint32_t>()(gq.queue_family_index);
+    }
+};
+}
+
 struct SURFACE_STATE {
     VkSurfaceKHR surface = VK_NULL_HANDLE;
     SWAPCHAIN_NODE *swapchain = nullptr;
     SWAPCHAIN_NODE *old_swapchain = nullptr;
+    std::unordered_map<GpuQueue, bool> gpu_queue_support;
 
     SURFACE_STATE() {}
     SURFACE_STATE(VkSurfaceKHR surface)