tests: Test default values for uniform variables.

Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/839

Makefile.am

@@ -89,6 +89,7 @@ vkd3d_shader_tests = \
 	tests/hlsl/cross.shader_test \
 	tests/hlsl/d3dcolor-to-ubyte4.shader_test \
 	tests/hlsl/ddxddy.shader_test \
+	tests/hlsl/default-values.shader_test \
 	tests/hlsl/depth-out.shader_test \
 	tests/hlsl/determinant.shader_test \
 	tests/hlsl/discard.shader_test \

tests/hlsl/default-values.shader_test

@@ -0,0 +1,143 @@
+% Note that, except for effects, default values do not affect the execution.
+% The default values are intended to be obtained using reflection.
+
+[pixel shader todo]
+float2 a = {1, 2};
+float4x2 b = {1, 2, 3, 4, 5, 6, 7, 8};
+
+float4 main() : sv_target
+{
+    return float4(a, b[2]);
+}
+
+[test]
+if(sm<4)  uniform 0 float4 10 30 50 70
+if(sm<4)  uniform 4 float4 20 40 60 80
+if(sm<4)  uniform 8 float4 10 20 0 0
+if(sm>=4) uniform 0 float4 10 20 0 0
+if(sm>=4) uniform 4 float4 10 30 50 70
+if(sm>=4) uniform 8 float4 20 40 60 80
+todo(sm<6) draw quad
+probe all rgba (10, 20, 50, 60)
+
+
+[pixel shader fail(sm<6) todo]
+float a = 7;
+float4 b = a; // initial value must be a literal expression.
+
+float4 main() : sv_target { return 0; }
+
+
+[pixel shader fail(sm<6) todo]
+float a = 7;
+float4 b = {1, 2, a, 4}; // initial value must be a literal expression.
+
+float4 main() : sv_target { return 0; }
+
+
+[pixel shader fail]
+Texture2D tex;
+struct
+{
+    Texture2D t;
+    float a;
+} apple = {tex, 4}; // initial value must be a literal expression.
+
+float4 main() : sv_target
+{
+    return 0;
+}
+
+
+[pixel shader todo]
+static const float a = 7;
+float4 b = {1, 2, a, 4}; // static constant values are allowed on the initializer.
+
+float4 main() : sv_target { return b; }
+
+[test]
+uniform 0 float4 10.0 20.0 30.0 40.0
+todo(sm<6) draw quad
+probe all rgba (10, 20, 30, 40)
+
+
+[pixel shader todo]
+float4 a = {3, 5, float2(4, 4)}; // numeric type initializers are allowed.
+
+float4 main() : sv_target
+{
+    return 2 * a;
+}
+
+[test]
+uniform 0 float4 10.0 20.0 30.0 40.0
+todo(sm<6) draw quad
+probe all rgba (20, 40, 60, 80)
+
+
+[pixel shader todo]
+int4 a[2] = {10, 20, float3x2(1, 2, 3, 4, 5, 6)}; // matrix numeric type initializers are allowed.
+
+float4 main() : sv_target
+{
+    return 2 * a[1];
+}
+
+[test]
+if(sm<4)  uniform 0 float4 10 20 30 40
+if(sm<4)  uniform 4 float4 50 60 70 80
+if(sm>=4) uniform 0 int4 10 20 30 40
+if(sm>=4) uniform 4 int4 50 60 70 80
+todo(sm<6) draw quad
+probe all rgba (100, 120, 140, 160)
+
+
+[pixel shader todo]
+struct apple
+{
+    float3 a[2];
+    int2x2 b;
+} ap = {1, 2, 3, 4, 5, 6, 7.5, 8, 9, 10};
+
+float4 main() : sv_target
+{
+    return float4(ap.b);
+}
+
+[test]
+uniform 0 float4 10 20 30 0
+uniform 4 float4 40 50 60 0
+if(sm<4)  uniform 8 float4 70 90 0 0
+if(sm<4)  uniform 12 float4 80 100 0 0
+if(sm>=4) uniform 8 int4 70 90 0 0
+if(sm>=4) uniform 12 int4 80 100 0 0
+todo(sm<6) draw quad
+probe all rgba (70, 80, 90, 100)
+
+
+[require]
+shader model >= 5.0
+
+
+% Default values for doubles don't seem to be saved properly.
+[pixel shader todo]
+double2 m = {1, 2};
+//   double2 m;                         // Offset:    0 Size:    16
+//      = 0x00000000 0x00000000 0x40000000 0x00000000
+
+float4 main() : sv_target
+{
+    return m.y;
+}
+
+
+[pixel shader todo]
+static const float3x2 mat = {10, 20, 30, 40, 50, 60};
+static const float4 array[2] = {1, 2, 3, 4, 5, 6, 7, 8};
+static const int idx = 1;
+float3 u = {array[idx].xwwz.xy, mat._m21_m01.x}; // = {5, 8, 60}
+
+float4 main() : sv_target
+{
+    return u.y;
+}