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-rw-r--r--source/slang/slang-diagnostic-defs.h7
-rw-r--r--source/slang/slang-parameter-binding.cpp34
2 files changed, 38 insertions, 3 deletions
diff --git a/source/slang/slang-diagnostic-defs.h b/source/slang/slang-diagnostic-defs.h
index cf338edfa..345be7a54 100644
--- a/source/slang/slang-diagnostic-defs.h
+++ b/source/slang/slang-diagnostic-defs.h
@@ -2019,6 +2019,13 @@ DIAGNOSTIC(
notValidVaryingParameter,
"parameter '$0' is not a valid varying parameter.")
+DIAGNOSTIC(
+ 39029,
+ Warning,
+ registerModifierButNoVkBindingNorShift,
+ "shader parameter '$0' has a 'register' specified for D3D, but no '[[vk::binding(...)]]` "
+ "specified for Vulkan, nor is `-fvk-$1-shift` used.")
+
//
// 4xxxx - IL code generation.
diff --git a/source/slang/slang-parameter-binding.cpp b/source/slang/slang-parameter-binding.cpp
index 55c487e4e..61226f898 100644
--- a/source/slang/slang-parameter-binding.cpp
+++ b/source/slang/slang-parameter-binding.cpp
@@ -1078,10 +1078,32 @@ static void _maybeDiagnoseMissingVulkanLayoutModifier(
// oversight on their part.
if (auto registerModifier = varDecl.getDecl()->findModifier<HLSLRegisterSemantic>())
{
+ auto varType = getType(context->getASTBuilder(), varDecl.as<VarDeclBase>());
+ if (auto textureType = as<TextureType>(varType))
+ {
+ if (textureType->isCombined())
+ {
+ // Recommend [[vk::binding]] but not '-fvk-xxx-shift` for combined texture samplers
+ getSink(context)->diagnose(
+ registerModifier,
+ Diagnostics::registerModifierButNoVulkanLayout,
+ varDecl.getName());
+ return;
+ }
+ }
+
+ UnownedStringSlice registerClassName;
+ UnownedStringSlice registerIndexDigits;
+ splitNameAndIndex(
+ registerModifier->registerName.getContent(),
+ registerClassName,
+ registerIndexDigits);
+
getSink(context)->diagnose(
registerModifier,
- Diagnostics::registerModifierButNoVulkanLayout,
- varDecl.getName());
+ Diagnostics::registerModifierButNoVkBindingNorShift,
+ varDecl.getName(),
+ registerClassName);
}
}
@@ -1256,7 +1278,6 @@ static void addExplicitParameterBindings_GLSL(
return;
}
-
const auto hlslInfo = _extractLayoutSemanticInfo(context, hlslRegSemantic);
if (hlslInfo.kind == LayoutResourceKind::None)
{
@@ -1270,7 +1291,14 @@ static void addExplicitParameterBindings_GLSL(
if (auto textureType = as<TextureType>(varType))
{
if (textureType->isCombined())
+ {
+ if (!warnedMissingVulkanLayoutModifier)
+ {
+ _maybeDiagnoseMissingVulkanLayoutModifier(context, varDecl.as<VarDeclBase>());
+ warnedMissingVulkanLayoutModifier = true;
+ }
return;
+ }
}
// Can we map to a Vulkan kind in principal?