[gfx] specify resource view buffer range in bytes (#4149)

* refactor gfx buffer range to use byte range

* create buffer view with zero struct stride for ClearUnorderedAccessViewUint/Float

* create buffer descriptors on demand

* avoid copying gfx.dll

---------

Co-authored-by: Yong He <yonghe@outlook.com>

1 files changed, 3 insertions, 9 deletions

diff --git a/tools/gfx/d3d12/d3d12-device.cpp b/tools/gfx/d3d12/d3d12-device.cpp
index 03f9997f4..6be37b079 100644
--- a/tools/gfx/d3d12/d3d12-device.cpp
+++ b/tools/gfx/d3d12/d3d12-device.cpp
@@ -1674,15 +1674,9 @@ Result DeviceImpl::createBufferView(
     viewImpl->m_counterResource = counterResourceImpl;
     viewImpl->m_desc = desc;
 
-    SLANG_RETURN_ON_FAIL(createD3D12BufferDescriptor(
-        resourceImpl,
-        counterResourceImpl,
-        desc,
-        this,
-        m_cpuViewHeap.get(),
-        &viewImpl->m_descriptor));
-    if (viewImpl->m_descriptor.cpuHandle.ptr != 0)
-        viewImpl->m_allocator = m_cpuViewHeap.get();
+    // Buffer view descriptors are created on demand.
+    viewImpl->m_descriptor = {0};
+    viewImpl->m_allocator = m_cpuViewHeap.get();
  
     returnComPtr(outView, viewImpl);
     return SLANG_OK;