From f18a6dd1bdaffda4c3e771af3cf7cf41919ebd67 Mon Sep 17 00:00:00 2001
From: FernandoS27 <fsahmkow27@gmail.com>
Date: Fri, 16 Apr 2021 23:52:58 +0200
Subject: shader: Implement SR_Y_DIRECTION
---
src/shader_recompiler/backend/spirv/emit_spirv.h | 1 +
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp | 7 +++++++
2 files changed, 8 insertions(+)
(limited to 'src/shader_recompiler/backend')
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h
index d43c72f6e0..7949d08d0d 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv.h
+++ b/src/shader_recompiler/backend/spirv/emit_spirv.h
@@ -72,6 +72,7 @@ Id EmitLocalInvocationId(EmitContext& ctx);
Id EmitInvocationId(EmitContext& ctx);
Id EmitSampleId(EmitContext& ctx);
Id EmitIsHelperInvocation(EmitContext& ctx);
+Id EmitYDirection(EmitContext& ctx);
Id EmitLoadLocal(EmitContext& ctx, Id word_offset);
void EmitWriteLocal(EmitContext& ctx, Id word_offset, Id value);
Id EmitUndefU1(EmitContext& ctx);
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
index e5e4c352b8..1030404c0f 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
@@ -403,6 +403,13 @@ Id EmitIsHelperInvocation(EmitContext& ctx) {
return ctx.OpLoad(ctx.U1, ctx.is_helper_invocation);
}
+Id EmitYDirection(EmitContext& ctx) {
+ if (ctx.profile.y_negate) {
+ return ctx.Constant(ctx.F32[1], -1.0f);
+ }
+ return ctx.Constant(ctx.F32[1], 1.0f);
+}
+
Id EmitLoadLocal(EmitContext& ctx, Id word_offset) {
const Id pointer{ctx.OpAccessChain(ctx.private_u32, ctx.local_memory, word_offset)};
return ctx.OpLoad(ctx.U32[1], pointer);
--
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