shader_recompiler: fixed sin/cos

Thanks to red_pring and gandalfthewhite0173

src/shader_recompiler/backend/spirv/emit_spirv_floating_point.cpp

@@ -100,11 +100,11 @@ Id EmitFPNeg64(EmitContext& ctx, Id value) {
 }
 
 Id EmitFPSin(EmitContext& ctx, Id value) {
-    return ctx.OpSin(ctx.F32[1], value);
+    return ctx.OpSin(ctx.F32[1], ctx.OpFMul(ctx.F32[1], ctx.pi_x2, value));
 }
 
 Id EmitFPCos(EmitContext& ctx, Id value) {
-    return ctx.OpCos(ctx.F32[1], value);
+    return ctx.OpCos(ctx.F32[1], ctx.OpFMul(ctx.F32[1], ctx.pi_x2, value));
 }
 
 Id EmitFPExp2(EmitContext& ctx, Id value) {

src/shader_recompiler/backend/spirv/spirv_emit_context.cpp

@@ -1,11 +1,14 @@
 // SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <boost/container/static_vector.hpp>
-#include <fmt/format.h>
 #include "common/div_ceil.h"
 #include "shader_recompiler/backend/spirv/spirv_emit_context.h"
 
+#include <boost/container/static_vector.hpp>
+#include <fmt/format.h>
+
+static constexpr auto M_PI = 3.14159265358979323846f;
+
 namespace Shader::Backend::SPIRV {
 namespace {
 
@@ -100,6 +103,8 @@ void EmitContext::DefineArithmeticTypes() {
     u32_zero_value = ConstU32(0U);
     f32_zero_value = ConstF32(0.0f);
 
+    pi_x2 = ConstF32(2.0f * float(M_PI));
+
     input_f32 = Name(TypePointer(spv::StorageClass::Input, F32[1]), "input_f32");
     input_u32 = Name(TypePointer(spv::StorageClass::Input, U32[1]), "input_u32");
     input_s32 = Name(TypePointer(spv::StorageClass::Input, S32[1]), "input_s32");

src/shader_recompiler/backend/spirv/spirv_emit_context.h

@@ -143,6 +143,8 @@ public:
     Id full_result_i32x2;
     Id full_result_u32x2;
 
+    Id pi_x2;
+
     Id true_value{};
     Id false_value{};
     Id u32_one_value{};