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materialsystem/stdshaders/DebugTextureView_ps2x.fxc

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+//========== Copyright (c) Valve Corporation, All rights reserved. ==========//
+
+// STATIC: "SHOWALPHA"			"0..1"
+// DYNAMIC: "ISCUBEMAP"			"0..1"
+// DYNAMIC: "ISVOLUME"			"0..1"
+
+// SKIP: $ISCUBEMAP && $ISVOLUME
+
+#include "common_ps_fxc.h"
+
+#if ISVOLUME
+sampler3D g_tSampler : register( s0 );
+#elif ISCUBEMAP
+samplerCUBE g_tSampler : register( s0 );
+#else // ISCUBEMAP
+sampler g_tSampler : register( s0 );
+#endif // !ISCUBEMAP
+
+struct PS_INPUT
+{
+	float2 texCoord				: TEXCOORD0;
+};
+
+const float4 g_vConst0 : register( c0 );
+#define g_flIsHdrCube g_vConst0.x
+#define g_flIsHdr2D g_vConst0.y
+#define g_flSliceCoord g_vConst0.z
+
+
+float4_color_return_type main( PS_INPUT i ) : COLOR
+{
+	float4 result = { 0.0f, 0.0f, 0.0f, 1.0f };
+
+	#if !ISCUBEMAP
+
+	#if ISVOLUME
+	float4 sample = tex3D( g_tSampler, float3( i.texCoord, g_flSliceCoord ) );
+	#else
+	float4 sample = tex2D( g_tSampler, i.texCoord );
+	#endif
+	
+	result.rgb = sample.rgb;
+	#if SHOWALPHA
+		result.rgb = sample.a;
+	#endif
+
+	if ( g_flIsHdr2D )
+		result.rgb *= MAX_HDR_OVERBRIGHT;
+
+	#else // ISCUBEMAP
+		bool bNoDataForThisPixel = false;
+		float3 vec = float3( 0, 0, 0 );
+		float x = i.texCoord.x;
+		float y = i.texCoord.y;
+		float x2 = frac( ( i.texCoord.x ) * 3.0f ) * 2.0f - 1.0f;
+		float y2 = frac( ( i.texCoord.y ) * 4.0f ) * 2.0f - 1.0f;
+		if ( ( x >= 0.3333f ) && ( x <= 0.6666f ) ) //Center row
+		{
+			if ( y >= 0.75f )
+				vec = float3( x2, 1.0, y2 );
+			else if ( y >= 0.5f )
+				vec = float3( x2, y2, -1.0 );
+			else if ( y >= 0.25f )
+				vec = float3( x2, -1.0, -y2 );
+			else if ( y >= 0.0f )
+				vec = float3( x2, -y2, 1.0 );
+		}
+		else if ( ( y >= 0.25f ) && ( y <= 0.5f ) )
+		{
+			if ( x <= 0.3333f )
+				vec = float3( -1.0f, -x2, -y2 );
+			else if (x >= 0.6666f)
+				vec = float3( 1.0f, x2, -y2 );
+			else
+				bNoDataForThisPixel = true;
+		}
+		else
+		{
+			bNoDataForThisPixel = true;
+		}
+
+		float4 cBase = texCUBE( g_tSampler, vec );
+		#if SHOWALPHA
+			cBase.rgb = cBase.a;
+		#endif
+
+		if ( g_flIsHdrCube )
+			cBase.rgb *= ENV_MAP_SCALE;
+
+		if ( bNoDataForThisPixel == true )
+			cBase.rgb = float3( 0.9f, 0.4f, 0.15f );
+
+		result.rgb = cBase.rgb;
+		result.a = 1.0f; // - bNoDataForThisPixel;
+	#endif // ISCUBEMAP
+
+	return FinalOutput( result, 0, PIXEL_FOG_TYPE_NONE, TONEMAP_SCALE_NONE );
+}