From e9829fdc6524e455f85893445ad8a2d703f02a2e Mon Sep 17 00:00:00 2001
From: Francisco Casas <fcasas@codeweavers.com>
Date: Mon, 8 Aug 2022 12:21:55 -0400
Subject: [PATCH] tests: Test object references.

Signed-off-by: Francisco Casas <fcasas@codeweavers.com>
---
 Makefile.am                         |   1 +
 tests/object-references.shader_test | 120 ++++++++++++++++++++++++++++
 2 files changed, 121 insertions(+)
 create mode 100644 tests/object-references.shader_test

diff --git a/Makefile.am b/Makefile.am
index 60db7794..962036ff 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -115,6 +115,7 @@ vkd3d_shader_tests = \
 	tests/matrix-semantics.shader_test \
 	tests/multiple-rt.shader_test \
 	tests/nointerpolation.shader_test \
+	tests/object-references.shader_test
 	tests/pow.shader_test \
 	tests/preproc-if.shader_test \
 	tests/preproc-ifdef.shader_test \
diff --git a/tests/object-references.shader_test b/tests/object-references.shader_test
new file mode 100644
index 00000000..c3952e03
--- /dev/null
+++ b/tests/object-references.shader_test
@@ -0,0 +1,120 @@
+[require]
+shader model >= 4.0
+
+[texture 0]
+size (2, 2)
+0.1 0.2 0.3 0.4     0.5 0.7 0.6 0.8
+0.6 0.5 0.2 0.1     0.8 0.0 0.7 1.0
+
+[pixel shader]
+Texture2D t;
+
+struct foo {
+    int3 a;
+    Texture2D b;
+};
+
+float4 main(float4 pos : sv_position) : sv_target
+{
+    struct foo q;
+
+    q.a = int3(pos.xy, 0);
+    q.b = t;
+    return q.b.Load(q.a);
+}
+
+[test]
+draw quad
+probe (0, 0) rgba (0.1, 0.2, 0.3, 0.4)
+probe (1, 0) rgba (0.5, 0.7, 0.6, 0.8)
+probe (0, 1) rgba (0.6, 0.5, 0.2, 0.1)
+probe (1, 1) rgba (0.8, 0.0, 0.7, 1.0)
+
+
+[texture 0]
+size (1, 1)
+1.0 1.0 1.0 1.0
+
+[texture 1]
+size (1, 1)
+2.0 2.0 2.0 1.0
+
+[texture 2]
+size (1, 1)
+3.0 3.0 3.0 1.0
+
+[pixel shader]
+Texture2D tex[3];
+
+struct foo {
+    float4 p;
+    Texture2D t;
+};
+
+float4 main() : sv_target
+{
+    struct foo s[3];
+
+    s[0].t = tex[0];
+    s[1].t = tex[1];
+    s[2].t = tex[2];
+    return 100 * s[2].t.Load(0) + 10 * s[0].t.Load(0) + s[1].t.Load(0);
+}
+
+[test]
+todo draw quad
+todo probe all rgba (312, 312, 312, 111)
+
+
+[pixel shader]
+Texture2D tex1;
+Texture2D tex2;
+Texture2D tex3;
+
+float4 main() : sv_target
+{
+    Texture2D t[3][2];
+
+    t[0][0] = tex1; // Note: Only invalid in shader model 5.1, array ref. cannot be used as l-value.
+    t[0][1] = tex2;
+    t[1][0] = tex3;
+    t[1][1] = tex1;
+    t[2][0] = tex2;
+    t[2][1] = tex3;
+    return 1000 * t[2][0].Load(0) + 100 * t[1][1].Load(0) + 10 * t[2][1].Load(0) + t[0][1].Load(0);
+}
+
+[test]
+draw quad
+probe all rgba (2132, 2132, 2132, 1111)
+
+
+[pixel shader fail todo]
+Texture2D tex[3];
+uniform int n;
+
+struct foo {
+    float4 p;
+    Texture2D t;
+};
+
+float4 main() : sv_target
+{
+    struct foo s[3];
+
+    s[0].t = tex[0];
+    s[1].t = tex[1];
+    s[2].t = tex[2];
+    return s[n].t.Load(0);
+}
+
+
+[pixel shader fail todo]
+// Note: Only valid in shader model 5.1
+Texture2D tex[3];
+uniform int n;
+
+float4 main() : sv_target
+{
+    return tex[n].Load(0);
+}