[common] replace Common::BitCast with libc++ provided one (#2774)

Signed-off-by: lizzie <lizzie@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2774
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

1 files changed, 22 insertions, 18 deletions

diff --git a/src/video_core/fsr.cpp b/src/video_core/fsr.cpp
index 5653c64fcc..a222fa3b1f 100644
--- a/src/video_core/fsr.cpp
+++ b/src/video_core/fsr.cpp
@@ -1,7 +1,11 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <cmath>
+#include <bit>
 #include "video_core/fsr.h"
 
 namespace FSR {
@@ -95,7 +99,7 @@ u32 AU1_AH1_AF1(f32 f) {
         0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
         0x18, 0x18,
     };
-    const u32 u = Common::BitCast<u32>(f);
+    const u32 u = std::bit_cast<u32>(f);
     const u32 i = u >> 23;
     return base[i] + ((u & 0x7fffff) >> shift[i]);
 }
@@ -107,20 +111,20 @@ u32 AU1_AH2_AF2(f32 a[2]) {
 void FsrEasuCon(u32 con0[4], u32 con1[4], u32 con2[4], u32 con3[4], f32 inputViewportInPixelsX,
                 f32 inputViewportInPixelsY, f32 inputSizeInPixelsX, f32 inputSizeInPixelsY,
                 f32 outputSizeInPixelsX, f32 outputSizeInPixelsY) {
-    con0[0] = Common::BitCast<u32>(inputViewportInPixelsX / outputSizeInPixelsX);
-    con0[1] = Common::BitCast<u32>(inputViewportInPixelsY / outputSizeInPixelsY);
-    con0[2] = Common::BitCast<u32>(0.5f * inputViewportInPixelsX / outputSizeInPixelsX - 0.5f);
-    con0[3] = Common::BitCast<u32>(0.5f * inputViewportInPixelsY / outputSizeInPixelsY - 0.5f);
-    con1[0] = Common::BitCast<u32>(1.0f / inputSizeInPixelsX);
-    con1[1] = Common::BitCast<u32>(1.0f / inputSizeInPixelsY);
-    con1[2] = Common::BitCast<u32>(1.0f / inputSizeInPixelsX);
-    con1[3] = Common::BitCast<u32>(-1.0f / inputSizeInPixelsY);
-    con2[0] = Common::BitCast<u32>(-1.0f / inputSizeInPixelsX);
-    con2[1] = Common::BitCast<u32>(2.0f / inputSizeInPixelsY);
-    con2[2] = Common::BitCast<u32>(1.0f / inputSizeInPixelsX);
-    con2[3] = Common::BitCast<u32>(2.0f / inputSizeInPixelsY);
-    con3[0] = Common::BitCast<u32>(0.0f / inputSizeInPixelsX);
-    con3[1] = Common::BitCast<u32>(4.0f / inputSizeInPixelsY);
+    con0[0] = std::bit_cast<u32>(inputViewportInPixelsX / outputSizeInPixelsX);
+    con0[1] = std::bit_cast<u32>(inputViewportInPixelsY / outputSizeInPixelsY);
+    con0[2] = std::bit_cast<u32>(0.5f * inputViewportInPixelsX / outputSizeInPixelsX - 0.5f);
+    con0[3] = std::bit_cast<u32>(0.5f * inputViewportInPixelsY / outputSizeInPixelsY - 0.5f);
+    con1[0] = std::bit_cast<u32>(1.0f / inputSizeInPixelsX);
+    con1[1] = std::bit_cast<u32>(1.0f / inputSizeInPixelsY);
+    con1[2] = std::bit_cast<u32>(1.0f / inputSizeInPixelsX);
+    con1[3] = std::bit_cast<u32>(-1.0f / inputSizeInPixelsY);
+    con2[0] = std::bit_cast<u32>(-1.0f / inputSizeInPixelsX);
+    con2[1] = std::bit_cast<u32>(2.0f / inputSizeInPixelsY);
+    con2[2] = std::bit_cast<u32>(1.0f / inputSizeInPixelsX);
+    con2[3] = std::bit_cast<u32>(2.0f / inputSizeInPixelsY);
+    con3[0] = std::bit_cast<u32>(0.0f / inputSizeInPixelsX);
+    con3[1] = std::bit_cast<u32>(4.0f / inputSizeInPixelsY);
     con3[2] = con3[3] = 0;
 }
 } // Anonymous namespace
@@ -131,16 +135,16 @@ void FsrEasuConOffset(u32 con0[4], u32 con1[4], u32 con2[4], u32 con3[4],
                       f32 outputSizeInPixelsY, f32 inputOffsetInPixelsX, f32 inputOffsetInPixelsY) {
     FsrEasuCon(con0, con1, con2, con3, inputViewportInPixelsX, inputViewportInPixelsY,
                inputSizeInPixelsX, inputSizeInPixelsY, outputSizeInPixelsX, outputSizeInPixelsY);
-    con0[2] = Common::BitCast<u32>(0.5f * inputViewportInPixelsX / outputSizeInPixelsX - 0.5f +
+    con0[2] = std::bit_cast<u32>(0.5f * inputViewportInPixelsX / outputSizeInPixelsX - 0.5f +
                                    inputOffsetInPixelsX);
-    con0[3] = Common::BitCast<u32>(0.5f * inputViewportInPixelsY / outputSizeInPixelsY - 0.5f +
+    con0[3] = std::bit_cast<u32>(0.5f * inputViewportInPixelsY / outputSizeInPixelsY - 0.5f +
                                    inputOffsetInPixelsY);
 }
 
 void FsrRcasCon(u32* con, f32 sharpness) {
     sharpness = std::exp2f(-sharpness);
     f32 hSharp[2]{sharpness, sharpness};
-    con[0] = Common::BitCast<u32>(sharpness);
+    con[0] = std::bit_cast<u32>(sharpness);
     con[1] = AU1_AH2_AF2(hSharp);
     con[2] = 0;
     con[3] = 0;