shader: Add IsTextureScaled opcode

2 files changed, 10 insertions, 0 deletions

diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
index 447eb8e0a..099e0160b 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
@@ -612,6 +612,14 @@ void EmitImageAtomicExchange32(EmitContext& ctx, IR::Inst& inst, const IR::Value
                value);
 }
 
+void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index) {
+    if (!index.IsImmediate()) {
+        throw NotImplementedException("Non-constant texture rescaling");
+    }
+    UNIMPLEMENTED();
+    ctx.AddU1("{}=true;", inst);
+}
+
 void EmitBindlessImageSampleImplicitLod(EmitContext&) {
     NotImplemented();
 }
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h b/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
index 159e4b770..f86502e4c 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
@@ -630,6 +630,8 @@ void EmitImageRead(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
                    std::string_view coords);
 void EmitImageWrite(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
                     std::string_view coords, std::string_view color);
+void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index);
+void EmitIsImageScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index);
 void EmitBindlessImageAtomicIAdd32(EmitContext&);
 void EmitBindlessImageAtomicSMin32(EmitContext&);
 void EmitBindlessImageAtomicUMin32(EmitContext&);