[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>

3 files changed, 2 insertions, 3 deletions

diff --git a/examples/autodiff-texture/main.cpp b/examples/autodiff-texture/main.cpp
index 7d1f809ee..0578f9d47 100644
--- a/examples/autodiff-texture/main.cpp
+++ b/examples/autodiff-texture/main.cpp
@@ -246,7 +246,6 @@ struct AutoDiffTexture : public WindowedAppBase
     {
         IResourceView::Desc desc = {};
         desc.type = IResourceView::Type::UnorderedAccess;
-        desc.bufferElementSize = 0;
         return gDevice->createBufferView(buffer, nullptr, desc);
     }
     ComPtr<gfx::IResourceView> createUAV(ITextureResource* texture, int level)
diff --git a/examples/ray-tracing-pipeline/main.cpp b/examples/ray-tracing-pipeline/main.cpp
index 9e00ccf67..cc5549a2e 100644
--- a/examples/ray-tracing-pipeline/main.cpp
+++ b/examples/ray-tracing-pipeline/main.cpp
@@ -318,6 +318,7 @@ Slang::Result initialize()
     IBufferResource::Desc primitiveBufferDesc;
     primitiveBufferDesc.type = IResource::Type::Buffer;
     primitiveBufferDesc.sizeInBytes = kPrimitiveCount * sizeof(Primitive);
+    primitiveBufferDesc.elementSize = sizeof(Primitive);
     primitiveBufferDesc.defaultState = ResourceState::ShaderResource;
     gPrimitiveBuffer = gDevice->createBufferResource(primitiveBufferDesc, &kPrimitiveData[0]);
     if (!gPrimitiveBuffer)
@@ -326,7 +327,6 @@ Slang::Result initialize()
     IResourceView::Desc primitiveSRVDesc = {};
     primitiveSRVDesc.format = Format::Unknown;
     primitiveSRVDesc.type = IResourceView::Type::ShaderResource;
-    primitiveSRVDesc.bufferElementSize = sizeof(Primitive);
     gPrimitiveBufferSRV = gDevice->createBufferView(gPrimitiveBuffer, nullptr, primitiveSRVDesc);
 
     IBufferResource::Desc transformBufferDesc;
diff --git a/examples/ray-tracing/main.cpp b/examples/ray-tracing/main.cpp
index a12da707d..5fee3d1ae 100644
--- a/examples/ray-tracing/main.cpp
+++ b/examples/ray-tracing/main.cpp
@@ -309,6 +309,7 @@ Slang::Result initialize()
     IBufferResource::Desc primitiveBufferDesc;
     primitiveBufferDesc.type = IResource::Type::Buffer;
     primitiveBufferDesc.sizeInBytes = kPrimitiveCount * sizeof(Primitive);
+    primitiveBufferDesc.elementSize = sizeof(Primitive);
     primitiveBufferDesc.defaultState = ResourceState::ShaderResource;
     gPrimitiveBuffer = gDevice->createBufferResource(primitiveBufferDesc, &kPrimitiveData[0]);
     if (!gPrimitiveBuffer)
@@ -317,7 +318,6 @@ Slang::Result initialize()
     IResourceView::Desc primitiveSRVDesc = {};
     primitiveSRVDesc.format = Format::Unknown;
     primitiveSRVDesc.type = IResourceView::Type::ShaderResource;
-    primitiveSRVDesc.bufferElementSize = sizeof(Primitive);
     gPrimitiveBufferSRV = gDevice->createBufferView(gPrimitiveBuffer, nullptr, primitiveSRVDesc);
 
     IBufferResource::Desc transformBufferDesc;