add IsSupportMDI() & GetMaxMDICount functions.

2021-12-15 17:35:13 +08:00
parent 4c4d81c116
commit 156f6e98a8
2 changed files with 16 additions and 2 deletions
--- a/inc/hgl/graph/VKPhysicalDevice.h
+++ b/inc/hgl/graph/VKPhysicalDevice.h
@@ -48,6 +48,20 @@ public:

    const uint32_t          GetConstantSize ()const{return properties.limits.maxPushConstantsSize;}

+    // support != open, so please don't direct use GetFeatures().
+    // open any features in CreateDevice()&SetDeviceFeatures() functions.
+    const bool              IsSupportMDI    ()const
+    {
+        // I found a few device support MDI, but its MaxDrawIndirectCount is 1.
+
+        return (features.multiDrawIndirect&&properties.limits.maxDrawIndirectCount>1);
+    }
+
+    const uint32_t          GetMaxMDICount  ()const
+    {
+        return properties.limits.maxDrawIndirectCount;
+    }
+
 public:

    /**