From 9a5672d7b8a155117a2c3f8375e3b8a5b43d91b7 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Sat, 24 Apr 2021 00:17:43 -0700
Subject: Remove resource `Usage` from `gfx` interface. (#1813)

* Fix `model-viewer` crash when using Vulkan.

Fixing an issue in shader object layout creation for to make sure a correct descriptor set layout is calculated for types that need an implicit constant buffer.

* Fix formatting.

* Fixes.

* Fix memory leak in vulkan.

* Remove resource `Usage` from `gfx` interface.
---
 examples/shader-object/main.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'examples/shader-object/main.cpp')

diff --git a/examples/shader-object/main.cpp b/examples/shader-object/main.cpp
index 6efe2f97d..72ab265c6 100644
--- a/examples/shader-object/main.cpp
+++ b/examples/shader-object/main.cpp
@@ -165,13 +165,16 @@ int main()
     bufferDesc.sizeInBytes = numberCount * sizeof(float);
     bufferDesc.format = gfx::Format::Unknown;
     bufferDesc.elementSize = sizeof(float);
-    bufferDesc.bindFlags = gfx::IResource::BindFlag::NonPixelShaderResource |
-                           gfx::IResource::BindFlag::UnorderedAccess;
+    bufferDesc.allowedStates = ResourceStateSet(
+        ResourceState::ShaderResource,
+        ResourceState::UnorderedAccess,
+        ResourceState::CopyDestination,
+        ResourceState::CopySource);
+    bufferDesc.defaultState = ResourceState::UnorderedAccess;
     bufferDesc.cpuAccessFlags = IResource::AccessFlag::Write | IResource::AccessFlag::Read;
 
     ComPtr<gfx::IBufferResource> numbersBuffer;
     SLANG_RETURN_ON_FAIL(device->createBufferResource(
-        gfx::IResource::Usage::UnorderedAccess,
         bufferDesc,
         (void*)initialData,
         numbersBuffer.writeRef()));
-- 
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