Feature/early depth stencil (#727)

* First pass support for early depth stencil.

* Add a simple test to check if output has attributes.

* Use cross compilation to test [earlydepthstencil] on glsl.

* If target is dxil, use dxc to test against.
Add hlsl to test earlydepthstencil against.

* * Added spSessionHasCompileTargetSupport
* Made slang-test use spSessionHasCompileTargetSupport to ignore tests that cannot run

1 files changed, 10 insertions, 1 deletions

diff --git a/source/slang/ir.cpp b/source/slang/ir.cpp
index 356648212..664927e8a 100644
--- a/source/slang/ir.cpp
+++ b/source/slang/ir.cpp
@@ -2949,6 +2949,11 @@ namespace Slang
                     dump(context, "\n[__readNone]");
                 }
                 break;
+            case kIRDecorationOp_EarlyDepthStencil:
+                {
+                    dump(context, "\n[earlydepthstencil]");
+                }
+                break;
             }
         }
     }
@@ -5387,7 +5392,11 @@ namespace Slang
                     context->builder->addDecoration<IRVulkanCallablePayloadDecoration>(clonedValue);
                 }
                 break;
-
+            case kIRDecorationOp_EarlyDepthStencil:
+                {
+                    context->builder->addDecoration<IREarlyDepthStencilDecoration>(clonedValue);
+                }
+                break;
             case kIRDecorationOp_VulkanHitAttributes:
                 {
                     context->builder->addDecoration<IRVulkanHitAttributesDecoration>(clonedValue);