Support visibility control and default to `internal`. (#3380)

* Support visibility control and default to `internal`.

* Fix wip.

* Fixes.

* Fix.

* Fix test.

* Add legacy language detection and compatibility for existing code.

* Add doc.

---------

Co-authored-by: Yong He <yhe@nvidia.com>

8 files changed, 31 insertions, 31 deletions

diff --git a/tests/autodiff/material/DiffuseMaterial.slang b/tests/autodiff/material/DiffuseMaterial.slang
index e762e17c8..3dd2927f5 100644
--- a/tests/autodiff/material/DiffuseMaterial.slang
+++ b/tests/autodiff/material/DiffuseMaterial.slang
@@ -3,13 +3,13 @@
 __exported import IMaterial;
 __exported import DiffuseMaterialInstance;
 
-struct DiffuseMaterial : IMaterial
+public struct DiffuseMaterial : IMaterial
 {
-    float3 baseColor;
+    public float3 baseColor;
 
-    typedef DiffuseMaterialInstance MaterialInstance;
+    public typedef DiffuseMaterialInstance MaterialInstance;
 
-    DiffuseMaterialInstance setupMaterialInstance()
+    public DiffuseMaterialInstance setupMaterialInstance()
     {
         DiffuseMaterialInstance mi = { {baseColor} };
         return mi;
diff --git a/tests/autodiff/material/DiffuseMaterialInstance.slang b/tests/autodiff/material/DiffuseMaterialInstance.slang
index ca6bfc69a..c6f0e315b 100644
--- a/tests/autodiff/material/DiffuseMaterialInstance.slang
+++ b/tests/autodiff/material/DiffuseMaterialInstance.slang
@@ -3,23 +3,23 @@
 __exported import IMaterialInstance;
 __exported import IBSDF;
 
-struct DiffuseBSDF : IBSDF
+public struct DiffuseBSDF : IBSDF
 {
-    float3 albedo;
+    public float3 albedo;
 
     [TreatAsDifferentiable]
-    float3 eval(const float3 wiLocal, const float3 woLocal)
+    public float3 eval(const float3 wiLocal, const float3 woLocal)
     {
         return albedo;
     }
 };
 
-struct DiffuseMaterialInstance : IMaterialInstance
+public struct DiffuseMaterialInstance : IMaterialInstance
 {
-    DiffuseBSDF bsdf;
+    public DiffuseBSDF bsdf;
 
     [TreatAsDifferentiable]
-    float3 eval(const float3 wi, const float3 wo)
+    public float3 eval(const float3 wi, const float3 wo)
     {
         return bsdf.eval(wi, wo);
     }
diff --git a/tests/autodiff/material/GlossyMaterial.slang b/tests/autodiff/material/GlossyMaterial.slang
index 59cee5afe..9848c82ed 100644
--- a/tests/autodiff/material/GlossyMaterial.slang
+++ b/tests/autodiff/material/GlossyMaterial.slang
@@ -3,13 +3,13 @@
 __exported import IMaterial;
 __exported import GlossyMaterialInstance;
 
-struct GlossyMaterial : IMaterial
+public struct GlossyMaterial : IMaterial
 {
-    float3 baseColor;
+    public float3 baseColor;
 
-    typedef GlossyMaterialInstance MaterialInstance;
+    public typedef GlossyMaterialInstance MaterialInstance;
 
-    GlossyMaterialInstance setupMaterialInstance()
+    public GlossyMaterialInstance setupMaterialInstance()
     {
         GlossyMaterialInstance mi = { { baseColor } };
         return mi;
diff --git a/tests/autodiff/material/GlossyMaterialInstance.slang b/tests/autodiff/material/GlossyMaterialInstance.slang
index fbbcc1a26..fb1ce55c0 100644
--- a/tests/autodiff/material/GlossyMaterialInstance.slang
+++ b/tests/autodiff/material/GlossyMaterialInstance.slang
@@ -3,44 +3,44 @@
 __exported import IMaterialInstance;
 __exported import IBSDF;
 
-struct GlossyBSDF : IBSDF
+public struct GlossyBSDF : IBSDF
 {
-    float3 albedo;
+    public float3 albedo;
 
-    float3 getAlbedo()
+    public float3 getAlbedo()
     {
         return albedo;
     }
 
     [ForwardDerivativeOf(getAlbedo)]
     [TreatAsDifferentiable]
-    DifferentialPair<float3> __fwd_d_getAlbedo()
+    public DifferentialPair<float3> __fwd_d_getAlbedo()
     {
         return diffPair(albedo, float3(1.f));
     }
 
     [BackwardDerivativeOf(getAlbedo)]
     [TreatAsDifferentiable]
-    void __bwd_d_getAlbedo(float3 dOut)
+    public void __bwd_d_getAlbedo(float3 dOut)
     {
         [unroll]
         for (int j = 0; j < 3; j++) outputBuffer[j + 3] += dOut[j];
     }
 
     [BackwardDifferentiable]
-    float3 eval(const float3 wiLocal, const float3 woLocal)
+    public float3 eval(const float3 wiLocal, const float3 woLocal)
     {
         float3 a = getAlbedo();
         return a * a;
     }
 };
 
-struct GlossyMaterialInstance : IMaterialInstance
+public struct GlossyMaterialInstance : IMaterialInstance
 {
-    GlossyBSDF bsdf;
+    public GlossyBSDF bsdf;
 
     [BackwardDifferentiable]
-    float3 eval(const float3 wi, const float3 wo)
+    public float3 eval(const float3 wi, const float3 wo)
     {
         return bsdf.eval(wi, wo);
     }
diff --git a/tests/autodiff/material/IBSDF.slang b/tests/autodiff/material/IBSDF.slang
index 9bdeb9197..933392b80 100644
--- a/tests/autodiff/material/IBSDF.slang
+++ b/tests/autodiff/material/IBSDF.slang
@@ -1,9 +1,9 @@
 //TEST_IGNORE_FILE:
 
 //TEST_INPUT:ubuffer(data=[0 0 0 0 0 0], stride=4):out,name=outputBuffer
-RWStructuredBuffer<float> outputBuffer;
+public RWStructuredBuffer<float> outputBuffer;
 
-interface IBSDF
+public interface IBSDF
 {
     [BackwardDifferentiable]
     float3 eval(const float3 wi, const float3 wo);
diff --git a/tests/autodiff/material/IMaterial.slang b/tests/autodiff/material/IMaterial.slang
index 4bdaac2bc..73390ba0e 100644
--- a/tests/autodiff/material/IMaterial.slang
+++ b/tests/autodiff/material/IMaterial.slang
@@ -2,9 +2,9 @@
 
 __exported import IMaterialInstance;
 
-interface IMaterial
+public interface IMaterial
 {
-    associatedtype MaterialInstance : IMaterialInstance;
+    public associatedtype MaterialInstance : IMaterialInstance;
 
-    MaterialInstance setupMaterialInstance();
+    public MaterialInstance setupMaterialInstance();
 }
diff --git a/tests/autodiff/material/IMaterialInstance.slang b/tests/autodiff/material/IMaterialInstance.slang
index fb13f8982..4425c2c65 100644
--- a/tests/autodiff/material/IMaterialInstance.slang
+++ b/tests/autodiff/material/IMaterialInstance.slang
@@ -1,7 +1,7 @@
 //TEST_IGNORE_FILE:
 
-interface IMaterialInstance
+public interface IMaterialInstance
 {
     [BackwardDifferentiable]
-    float3 eval(const float3 wi, const float3 wo);
+    public float3 eval(const float3 wi, const float3 wo);
 }
diff --git a/tests/autodiff/material/MaterialSystem.slang b/tests/autodiff/material/MaterialSystem.slang
index 5e733fad9..9fcee1386 100644
--- a/tests/autodiff/material/MaterialSystem.slang
+++ b/tests/autodiff/material/MaterialSystem.slang
@@ -2,7 +2,7 @@
 
 __exported import IMaterial;
 
-IMaterial createMaterialClassConformance(int type, float3 value)
+public IMaterial createMaterialClassConformance(int type, float3 value)
 {
     return createDynamicObject<IMaterial, float3>(type, value);
 }