shader: Implement ClipDistance

1 files changed, 9 insertions, 0 deletions

diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp
index c8ce58254..2e3e3346d 100644
--- a/src/shader_recompiler/backend/spirv/emit_context.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_context.cpp
@@ -176,6 +176,9 @@ void EmitContext::DefineCommonTypes(const Info& info) {
         AddCapability(spv::Capability::Float64);
         F64.Define(*this, TypeFloat(64), "f64");
     }
+    if (info.stores_clip_distance) {
+      Array8F32 = Name(TypeArray(F32[1], Constant(U32[1], 8)), "array_8_f32");
+    }
 }
 
 void EmitContext::DefineCommonConstants() {
@@ -502,6 +505,12 @@ void EmitContext::DefineOutputs(const Info& info) {
         }
         output_point_size = DefineOutput(*this, F32[1], spv::BuiltIn::PointSize);
     }
+    if (info.stores_clip_distance) {
+        if (stage == Stage::Fragment) {
+            throw NotImplementedException("Storing PointSize in Fragment stage");
+        }
+        clip_distances = DefineOutput(*this, Array8F32, spv::BuiltIn::ClipDistance);
+    }
     for (size_t i = 0; i < info.stores_generics.size(); ++i) {
         if (info.stores_generics[i]) {
             output_generics[i] = DefineOutput(*this, F32[4]);