GS/HW: Match TEXA behavior on shuffles between renderers.

Author: lightningterror

bin/resources/shaders/dx11/tfx.fx

@@ -1375,10 +1375,7 @@ PS_OUTPUT ps_main(PS_INPUT input)
 			uint4 denorm_c = uint4(C);
 			uint2 denorm_TA = uint2(float2(TA.xy) * 255.0f + 0.5f);
 			C.rb = (float2)float((denorm_c.r >> 3) | (((denorm_c.g >> 3) & 0x7u) << 5));
-			if (denorm_c.a & 0x80u)
-				C.ga = (float2)float((denorm_c.g >> 6) | ((denorm_c.b >> 3) << 2) | (denorm_TA.y & 0x80u));
-			else
-				C.ga = (float2)float((denorm_c.g >> 6) | ((denorm_c.b >> 3) << 2) | (denorm_TA.x & 0x80u));
+			C.ga = (float2)float((denorm_c.g >> 6) | ((denorm_c.b >> 3) << 2) | (denorm_TA.x & 0x80u));
 		}
 		else if (PS_SHUFFLE_ACROSS)
 		{

bin/resources/shaders/opengl/tfx_fs.glsl

@@ -1323,10 +1323,7 @@ void ps_main()
 		uvec2 denorm_TA = uvec2(vec2(TA.xy) * 255.0f + 0.5f);
 
 		C.rb = vec2(float((denorm_c.r >> 3) | (((denorm_c.g >> 3) & 0x7u) << 5)));
-		if (bool(denorm_c.a & 0x80u))
-			C.ga = vec2(float((denorm_c.g >> 6) | ((denorm_c.b >> 3) << 2) | (denorm_TA.y & 0x80u)));
-		else
-			C.ga = vec2(float((denorm_c.g >> 6) | ((denorm_c.b >> 3) << 2) | (denorm_TA.x & 0x80u)));
+		C.ga = vec2(float((denorm_c.g >> 6) | ((denorm_c.b >> 3) << 2) | (denorm_TA.x & 0x80u)));
 	#elif PS_SHUFFLE_ACROSS
 		#if(PS_PROCESS_BA == SHUFFLE_READWRITE && PS_PROCESS_RG == SHUFFLE_READWRITE)
 			C.br = C.rb;

pcsx2/GS/Renderers/Metal/tfx.metal

@@ -1431,10 +1431,7 @@ struct PSMain
 				uint2 denorm_TA = uint2(cb.ta * 255.5f);
 
 				C.rb = (denorm_c.r >> 3) | (((denorm_c.g >> 3) & 0x7) << 5);
-				if (denorm_c.a & 0x80)
-					C.ga = (denorm_c.g >> 6) | ((denorm_c.b >> 3) << 2) | (denorm_TA.y & 0x80);
-				else
-					C.ga = (denorm_c.g >> 6) | ((denorm_c.b >> 3) << 2) | (denorm_TA.x & 0x80);
+				C.ga = (denorm_c.g >> 6) | ((denorm_c.b >> 3) << 2) | (denorm_TA.x & 0x80);
 			}
 			else if (PS_SHUFFLE_ACROSS)
 			{

pcsx2/ShaderCacheVersion.h

@@ -3,4 +3,4 @@
 
 /// Version number for GS and other shaders. Increment whenever any of the contents of the
 /// shaders change, to invalidate the cache.
-static constexpr u32 SHADER_CACHE_VERSION = 89; // Last changed in PR 14188
+static constexpr u32 SHADER_CACHE_VERSION = 90; // Last changed in PR 14349