From c15332c44fa50dc44e2ebd1a682048f1e30dc136 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sun, 25 Jul 2021 22:04:53 -0300
Subject: shader: Add IsTextureScaled opcode

---
 src/shader_recompiler/backend/glasm/emit_glasm_image.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/shader_recompiler/backend/glasm/emit_glasm_image.cpp')

diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
index 09e3a9b82f..583ed3cf2a 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
@@ -608,6 +608,14 @@ void EmitImageWrite(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Re
     ctx.Add("STOREIM.{} {},{},{},{};", format, image, color, coord, type);
 }
 
+void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index) {
+    if (!index.IsImmediate()) {
+        throw NotImplementedException("Non-constant texture rescaling");
+    }
+    UNIMPLEMENTED();
+    ctx.Add("MOV.S {}.x,-1;", inst);
+}
+
 void EmitImageAtomicIAdd32(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Register coord,
                            ScalarU32 value) {
     ImageAtomic(ctx, inst, index, coord, value, "ADD.U32");
-- 
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