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.
---
 tools/gfx/resource-desc-utils.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 tools/gfx/resource-desc-utils.cpp

(limited to 'tools/gfx/resource-desc-utils.cpp')

diff --git a/tools/gfx/resource-desc-utils.cpp b/tools/gfx/resource-desc-utils.cpp
new file mode 100644
index 000000000..93609cd0e
--- /dev/null
+++ b/tools/gfx/resource-desc-utils.cpp
@@ -0,0 +1,20 @@
+#include "resource-desc-utils.h"
+
+namespace gfx
+{
+IBufferResource::Desc fixupBufferDesc(const IBufferResource::Desc& desc)
+{
+    IBufferResource::Desc result = desc;
+    result.allowedStates.add(result.defaultState);
+    return result;
+}
+
+ITextureResource::Desc fixupTextureDesc(const ITextureResource::Desc& desc)
+{
+    ITextureResource::Desc rs = desc;
+    if (desc.numMipLevels == 0)
+        rs.numMipLevels = calcNumMipLevels(desc.type, desc.size);
+    rs.allowedStates.add(rs.defaultState);
+    return rs;
+}
+}
-- 
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