1

materialsystem/stdshaders/eyes_flashlight_inc.fxc

@@ -0,0 +1,92 @@
+//====== Copyright © 1996-2006, Valve Corporation, All rights reserved. =======
+//
+// Purpose: 
+//
+//=============================================================================
+
+#include "common_flashlight_fxc.h"
+#include "shader_constant_register_map.h"
+
+
+const float4 g_vShadowTweaks	: register( PSREG_ENVMAP_TINT__SHADOW_TWEAKS );
+
+sampler SpotSampler				: register( s0 );
+sampler BaseTextureSampler		: register( s1 );
+sampler IrisSampler				: register( s3 );
+
+#if FLASHLIGHTSHADOWS && (!SHADER_MODEL_PS_1_1) && (!SHADER_MODEL_PS_1_4) && (!SHADER_MODEL_PS_2_0)
+sampler FlashlightDepthSampler	: register( s4 );
+sampler RandomRotationSampler	: register( s5 );
+#endif
+
+#if defined( SHADER_MODEL_PS_1_1 ) || defined ( SHADER_MODEL_PS_1_4 )
+
+#else
+	const float4 g_FogParams				: register( PSREG_FOG_PARAMS );
+	const float4 g_EyePos_SpecExponent		: register( PSREG_EYEPOS_SPEC_EXPONENT );
+#endif
+
+struct PS_INPUT
+{
+	float4 spotTexCoord			: TEXCOORD0;
+	float2 baseTexCoord			: TEXCOORD1;
+	float2 irisTexCoord			: TEXCOORD3;
+#if defined( SHADER_MODEL_PS_1_1 ) || defined ( SHADER_MODEL_PS_1_4 )
+	float3 vertAtten			: COLOR0;
+#else
+	float3 vertAtten			: TEXCOORD4;
+	float3 worldPos				: TEXCOORD5;
+	float3 projPos				: TEXCOORD7;
+#endif
+};
+
+float4 main( PS_INPUT i ) : COLOR
+{
+#if defined(SHADER_MODEL_PS_2_0)
+	float3 spotColor = tex2Dproj( SpotSampler, i.spotTexCoord.xyzw ) * cFlashlightColor;
+#elif ( defined(SHADER_MODEL_PS_2_B) || defined(SHADER_MODEL_PS_3_0) )
+	float3 vProjCoords = i.spotTexCoord.xyz / i.spotTexCoord.w;
+	float3 spotColor = tex2D( SpotSampler, vProjCoords ) * cFlashlightColor;
+#else
+	float3 spotColor = tex2D( SpotSampler, i.spotTexCoord );
+#endif
+
+	float4 baseSample = tex2D( BaseTextureSampler, i.baseTexCoord );
+	float4 irisSample = tex2D( IrisSampler, i.irisTexCoord );
+
+	float3 outcolor = float3(1,1,1);
+
+#if !defined( SHADER_MODEL_PS_1_1 ) && !defined( SHADER_MODEL_PS_1_4 )
+	if( i.spotTexCoord.w <= 0.0f )
+	{
+		outcolor = float3(0,0,0);
+	}
+#endif
+
+	// Composite the iris and sclera together
+#if defined( SHADER_MODEL_PS_1_1 ) || defined ( SHADER_MODEL_PS_1_4 )
+	float3 albedo = lerp( baseSample.xyz, irisSample.xyz, irisSample.a );
+#else
+	float3 albedo = lerp( baseSample.xyz, irisSample.xyz * 0.5f, irisSample.a );	// dim down the iris in HDR
+#endif
+
+	// Do shadow depth mapping...
+#if FLASHLIGHTSHADOWS && ( defined(SHADER_MODEL_PS_2_B) || defined(SHADER_MODEL_PS_3_0) )
+	float flShadow = DoFlashlightShadow( FlashlightDepthSampler, RandomRotationSampler, vProjCoords, i.projPos.xy / i.projPos.z, FLASHLIGHTDEPTHFILTERMODE, g_vShadowTweaks, true );
+	float flAttenuated = lerp( flShadow, 1.0f, g_vShadowTweaks.y );								// Blend between fully attenuated and not attenuated
+	flShadow = lerp( flAttenuated, flShadow, dot(i.vertAtten, float3(0.30f, 0.59f, 0.11f) ) );	// Blend between shadow and above, according to light attenuation
+	outcolor *= flShadow * spotColor * albedo;
+#else
+	outcolor *= spotColor * albedo;
+#endif
+
+	// NOTE!!  This has to be last to avoid loss of range.
+	outcolor *= i.vertAtten;
+#if defined( SHADER_MODEL_PS_1_1 ) || defined ( SHADER_MODEL_PS_1_4 )
+	return float4( outcolor, baseSample.a );
+#else
+	float fogFactor = CalcPixelFogFactor( PIXELFOGTYPE, g_FogParams, g_EyePos_SpecExponent.z, i.worldPos.z, i.projPos.z );
+	return FinalOutput( float4( outcolor, 1.0f ), fogFactor, PIXELFOGTYPE, TONEMAP_SCALE_LINEAR );
+#endif
+
+}