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-rw-r--r--src/shader_recompiler/backend/spirv/emit_spirv.h1
-rw-r--r--src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp7
-rw-r--r--src/shader_recompiler/frontend/ir/ir_emitter.cpp4
-rw-r--r--src/shader_recompiler/frontend/ir/ir_emitter.h1
-rw-r--r--src/shader_recompiler/frontend/ir/opcodes.inc1
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/move_special_register.cpp2
-rw-r--r--src/shader_recompiler/profile.h2
7 files changed, 18 insertions, 0 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h
index d43c72f6e..7949d08d0 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 e5e4c352b..1030404c0 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);
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
index aebe7200f..c3e8d0681 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
@@ -379,6 +379,10 @@ U1 IREmitter::IsHelperInvocation() {
return Inst<U1>(Opcode::IsHelperInvocation);
}
+F32 IREmitter::YDirection() {
+ return Inst<F32>(Opcode::YDirection);
+}
+
U32 IREmitter::LaneId() {
return Inst<U32>(Opcode::LaneId);
}
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.h b/src/shader_recompiler/frontend/ir/ir_emitter.h
index b9d051b43..7e67f5e30 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.h
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.h
@@ -102,6 +102,7 @@ public:
[[nodiscard]] U32 InvocationId();
[[nodiscard]] U32 SampleId();
[[nodiscard]] U1 IsHelperInvocation();
+ [[nodiscard]] F32 YDirection();
[[nodiscard]] U32 LaneId();
diff --git a/src/shader_recompiler/frontend/ir/opcodes.inc b/src/shader_recompiler/frontend/ir/opcodes.inc
index 1cfc2a943..269de8ca5 100644
--- a/src/shader_recompiler/frontend/ir/opcodes.inc
+++ b/src/shader_recompiler/frontend/ir/opcodes.inc
@@ -65,6 +65,7 @@ OPCODE(LocalInvocationId, U32x3,
OPCODE(InvocationId, U32, )
OPCODE(SampleId, U32, )
OPCODE(IsHelperInvocation, U1, )
+OPCODE(YDirection, F32, )
// Undefined
OPCODE(UndefU1, U1, )
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/move_special_register.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/move_special_register.cpp
index 660b84c20..b0baff74b 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/move_special_register.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/move_special_register.cpp
@@ -150,6 +150,8 @@ enum class SpecialRegister : u64 {
return ir.SubgroupGtMask();
case SpecialRegister::SR_GEMASK:
return ir.SubgroupGeMask();
+ case SpecialRegister::SR_Y_DIRECTION:
+ return ir.BitCast<IR::U32>(ir.YDirection());
default:
throw NotImplementedException("S2R special register {}", special_register);
}
diff --git a/src/shader_recompiler/profile.h b/src/shader_recompiler/profile.h
index a2c2948d5..08242184f 100644
--- a/src/shader_recompiler/profile.h
+++ b/src/shader_recompiler/profile.h
@@ -97,6 +97,8 @@ struct Profile {
std::optional<CompareFunction> alpha_test_func;
float alpha_test_reference{};
+ bool y_negate{};
+
std::vector<TransformFeedbackVarying> xfb_varyings;
};