1 files changed, 111 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/IntroScreenSpaceEffect_ps11.fxc b/materialsystem/stdshaders/IntroScreenSpaceEffect_ps11.fxc
new file mode 100644
index 0000000..7945de0
--- /dev/null
+++ b/materialsystem/stdshaders/IntroScreenSpaceEffect_ps11.fxc
@@ -0,0 +1,111 @@
+// DYNAMIC: "MODE" "0..9"
+
+#include "common_ps_fxc.h"
+
+const float g_Alpha : register( c0 );
+
+sampler BaseTextureSampler	: register( s0 );
+sampler BaseTextureSampler2	: register( s1 );
+
+struct PS_INPUT
+{
+	float2 baseTexCoord				: TEXCOORD0;
+	float2 baseTexCoord2			: TEXCOORD1;
+};
+
+HALF Grey( HALF3 input )
+{
+	return dot( ( float3 )( 1.0f / 3.0f ), input );
+}
+
+HALF4 main( PS_INPUT i ) : COLOR
+{
+	float3 scene = tex2D( BaseTextureSampler, i.baseTexCoord );
+	float3 gman = tex2D( BaseTextureSampler2, i.baseTexCoord2 );
+
+#if MODE == 0
+	// negative greyscale of scene * gman
+	float scale = 1.0f / 3.0f;
+	scene.xyz = dot( float3( scale, scale, scale), scene.xyz );
+	scene = 1.0f - scene;
+
+	return float4( scene * gman, g_Alpha );
+#endif
+	
+#if MODE == 1
+	if( Grey( gman ) < 0.3 )
+	{
+		return float4( 1.0f - gman, g_Alpha );
+	}
+	else
+	{
+		return float4( ( 1.0f - gman ) * scene, g_Alpha );
+	}
+#endif
+
+#if MODE == 2
+	return float4( lerp( scene, gman, g_Alpha ), g_Alpha );
+#endif
+
+#if MODE == 3
+	return float4( lerp( scene, Grey( gman ), Grey( gman ) ), g_Alpha );
+#endif
+
+#if MODE == 4
+	return float4( lerp( scene, gman, g_Alpha ), g_Alpha );
+#endif
+
+#if MODE == 5
+	float sceneLum = scene.r;
+	if( sceneLum > 0.0f )
+	{
+		return float4( scene, g_Alpha );
+	}
+	else
+	{
+		return float4( gman, g_Alpha );
+	}
+#endif
+
+#if MODE == 6
+	return float4( scene + gman, g_Alpha );
+#endif
+
+#if MODE == 7
+	return float4( scene, g_Alpha );
+#endif
+
+#if MODE == 8
+	return float4( lerp( scene, gman, g_Alpha ), g_Alpha );
+#endif
+
+#if MODE == 9
+	/*
+	float3 cGammaLayer1 = scene;
+	float3 cGammaLayer2 = gman;
+
+	float flLayer1Brightness = saturate( dot( cGammaLayer1.rgb, float3( 0.333f, 0.334f, 0.333f ) ) );
+
+	float3 cGammaOverlayResult;
+	if ( flLayer1Brightness < 0.5f )
+	{
+		cGammaOverlayResult.rgb = ( 2.0f * cGammaLayer1.rgb * cGammaLayer2.rgb );
+	}
+	else
+	{
+		cGammaOverlayResult.rgb = ( 1.0f - ( 2.0f * ( 1.0f - cGammaLayer1.rgb ) * ( 1.0f - cGammaLayer2.rgb ) ) );
+	}
+	//*/
+
+	float3 cLayer1 = scene;
+	float3 cLayer2 = gman;
+
+	float flLayer1Brightness = saturate( dot( cLayer1.rgb, float3( 0.333f, 0.334f, 0.333f ) ) );
+
+	// Modify layer 1 to be more contrasty.
+	cLayer1.rgb = saturate( cLayer1.rgb * cLayer1.rgb * 2.0f );
+	float3 cGammaOverlayResult = cLayer1.rgb + cLayer2.rgb * saturate( 1.0f - flLayer1Brightness * 2.0f );
+
+	return float4( cGammaOverlayResult.rgb, g_Alpha );
+#endif
+}