SWDEV-299127 - Support External Mipmap

Support hipExternalMemoryGetMappedMipmappedArray().
Add ImageExternalBuffer to differiate ImageBuffer.
Currently we only support tiling_optimal mode as
vulkan driver doesn't provide tiling information.

Change-Id: I7e3524cdde53e4df9f728894bcebf4bd3f58d4d9

rocclr/platform/external_memory.hpp

@@ -71,25 +71,4 @@ namespace amd
 
     virtual ~ExternalBuffer() {}
   };
-
-  // to be modified once image requirments are known, for now, implement like buffer
-  class ExternalImage final : public Buffer, public ExternalMemory
-  {
-  protected:
-    // Initializes device memory array, which is located after ExternalImage object in memory
-    void initDeviceMemory() {
-      deviceMemories_ =
-        reinterpret_cast<DeviceMemory*>(reinterpret_cast<char*>(this) + sizeof(ExternalImage));
-      memset(deviceMemories_, 0, context_().devices().size() * sizeof(DeviceMemory));
-    }
-
-  public:
-    ExternalImage(Context& amdContext, size_t size_in_bytes, amd::Os::FileDesc handle,
-        ExternalMemory::HandleType handle_type)
-        : Buffer(amdContext, 0, size_in_bytes), ExternalMemory(handle, handle_type) {
-      setInteropObj(this);
-    }
-
-    virtual ~ExternalImage() {}
-  };
 }

rocclr/platform/memory.cpp

@@ -114,7 +114,7 @@ Memory::Memory(Memory& parent, Flags flags, size_t origin, size_t size, Type typ
       flags_(flags),
       version_(parent.getVersion()),
       lastWriter_(parent.getLastWriter()),
-      interopObj_(parent.getInteropObj()),
+      interopObj_(nullptr),
       vDev_(NULL),
       mapCount_(0),
       svmHostAddress_(parent.getSvmPtr()),
@@ -606,10 +606,11 @@ Image::Image(Context& context, Type type, Flags flags, const Format& format, siz
 }
 
 Image::Image(Buffer& buffer, Type type, Flags flags, const Format& format, size_t width,
-             size_t height, size_t depth, size_t rowPitch, size_t slicePitch)
-    : Memory(buffer, flags, 0, buffer.getSize(), type),
+             size_t height, size_t depth, size_t rowPitch, size_t slicePitch, uint mipLevels,
+             size_t offset)
+    : Memory(buffer, flags, offset, buffer.getSize(), type),
       impl_(format, Coord3D(width, height, depth), rowPitch, slicePitch),
-      mipLevels_(1),
+      mipLevels_(mipLevels),
       baseMipLevel_(0) {
   initDimension();
 }

rocclr/platform/memory.hpp

@@ -566,7 +566,7 @@ class Image : public Memory {
         size_t depth, size_t rowPitch, size_t slicePitch, uint mipLevels = 1);
 
   Image(Buffer& buffer, Type type, Flags flags, const Format& format, size_t width, size_t height,
-        size_t depth, size_t rowPitch, size_t slicePitch);
+        size_t depth, size_t rowPitch, size_t slicePitch, uint mipLevels = 1, size_t offset = 0);
 
   //! Validate image dimensions with supported sizes
   static bool validateDimensions(