From e66d5b88a6f1c2d85c5cd8e351c6ed52c96a0ecf Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sun, 1 Aug 2021 18:57:45 -0300
Subject: shader: Properly scale image reads and add GL SPIR-V support
Thanks for everything!
---
src/shader_recompiler/backend/glasm/emit_glasm_image.cpp | 9 +++++++++
1 file changed, 9 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 05e88cd979..d325d31c71 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
@@ -617,6 +617,15 @@ void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& inde
1u << index.U32(), ctx.reg_alloc.Define(inst));
}
+void EmitIsImageScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& index) {
+ if (!index.IsImmediate()) {
+ throw NotImplementedException("Non-constant texture rescaling");
+ }
+ ctx.Add("AND.U RC.x,scaling[0].y,{};"
+ "SNE.S {},RC.x,0;",
+ 1u << index.U32(), ctx.reg_alloc.Define(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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