From 0c04885da9edc3df7a1ef5cb520be1bd29eb13e4 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Thu, 10 Feb 2022 11:50:07 -0800
Subject: gfx: support d3d12 root parameters (#2122)

* Various fixes to gfx.

* Fix.

* Fixes.

* Fix.

* gfx: support root parameter via user-defined attribute.

* Fix.

* Fix.

* Skip d3d12 tests on win x86.

* Fixes.

Co-authored-by: Yong He <yhe@nvidia.com>
Co-authored-by: jsmall-nvidia <jsmall@nvidia.com>
---
 tools/gfx-unit-test/root-shader-parameter.slang | 32 +++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 tools/gfx-unit-test/root-shader-parameter.slang

(limited to 'tools/gfx-unit-test/root-shader-parameter.slang')

diff --git a/tools/gfx-unit-test/root-shader-parameter.slang b/tools/gfx-unit-test/root-shader-parameter.slang
new file mode 100644
index 000000000..bf7af1851
--- /dev/null
+++ b/tools/gfx-unit-test/root-shader-parameter.slang
@@ -0,0 +1,32 @@
+// root-shader-parameter.slang
+
+// Test use of root shader parameters.
+[__AttributeUsage(_AttributeTargets.Var)]
+struct rootAttribute {};
+
+struct S1
+{
+    StructuredBuffer<uint> c0;
+    [root] RWStructuredBuffer<uint> c1;
+    StructuredBuffer<uint> c2;
+}
+
+struct S0
+{
+    StructuredBuffer<uint> b0;
+    [root] StructuredBuffer<uint> b1;
+    ParameterBlock<S1> s1;
+    ConstantBuffer<S1> s2;
+}
+
+ParameterBlock<S0> g;
+[root] RWStructuredBuffer<uint> buffer;
+
+[shader("compute")]
+[numthreads(1,1,1)]
+void computeMain(
+    uint3 sv_dispatchThreadID : SV_DispatchThreadID)
+{
+    buffer[0] = g.b0[0] - g.b1[0] + g.s1.c0[0] - g.s1.c1[0] + g.s1.c2[0] + g.s2.c0[0] - g.s2.c1[0] + g.s2.c2[0];
+    // 10-1+2-3+4+5-6+7
+}
-- 
cgit v1.2.3