52 lines
2.1 KiB
Plaintext
52 lines
2.1 KiB
Plaintext
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//========= Copyright <20> 1996-2006, Valve Corporation, All rights reserved. ============//
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// Includes =======================================================================================
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// STATIC: "CONVERT_TO_SRGB" "0..1" [ps20b][= g_pHardwareConfig->NeedsShaderSRGBConversion()] [PC]
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// STATIC: "CONVERT_TO_SRGB" "0..1" [ps30][= g_pHardwareConfig->NeedsShaderSRGBConversion()] [PC]
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// STATIC: "CONVERT_TO_SRGB" "0..0" [= 0] [XBOX]
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#include "common_vertexlitgeneric_dx9.h"
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// Texture Samplers ===============================================================================
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sampler g_tBaseSampler : register( s0 );
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sampler g_tFlowSampler : register( s1 );
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sampler g_tSelfIllumSampler : register( s2 );
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// Shaders Constants and Globals ==================================================================
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const float4 g_vPackedConst0 : register( c0 );
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#define g_flBlendStrength g_vPackedConst0.x
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#define g_flTime g_vPackedConst0.y
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const float2 g_vEmissiveScrollVector : register( c1 );
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const float3 g_cSelfIllumTint : register( c2 );
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// Interpolated values ============================================================================
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struct PS_INPUT
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{
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float2 vTexCoord0 : TEXCOORD0;
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};
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// Main ===========================================================================================
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//float4 main( PS_INPUT i ) : COLOR // Non-HDR for debugging
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float4 main( PS_INPUT i ) : COLOR
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{
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// Color texture
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float4 cBaseColor = tex2D( g_tBaseSampler, i.vTexCoord0.xy );
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// Fetch from dudv map and then fetch from emissive texture with new uv's & scroll
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float4 vFlowValue = tex2D( g_tFlowSampler, i.vTexCoord0.xy );
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float2 vEmissiveTexCoord = vFlowValue.xy + ( g_vEmissiveScrollVector.xy * g_flTime );
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float4 cEmissiveColor = tex2D( g_tSelfIllumSampler, vEmissiveTexCoord.xy );
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//===============//
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// Combine terms //
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//===============//
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float4 result;
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result.rgb = cBaseColor.rgb * cEmissiveColor.rgb * g_cSelfIllumTint.rgb;
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result.rgb *= g_flBlendStrength;
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// Set alpha to 0.0f so it doesn't change dest alpha (I should probably disable dest alpha writes)
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result.a = 0.0f;
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return FinalOutput( result, 0, PIXEL_FOG_TYPE_NONE, TONEMAP_SCALE_LINEAR );
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}
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