2025-05-17 14:15:00 -04:00
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//===== Copyright © 1996-2005, Valve Corporation, All rights reserved. ======//
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2008-09-15 01:00:17 -05:00
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//
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// Purpose:
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//
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// $NoKeywords: $
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//===========================================================================//
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#include "BaseVSShader.h"
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#include "watersecondpass_vs11.inc"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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BEGIN_VS_SHADER( Water_SecondPass, "Help for WaterSecondPass" )
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BEGIN_SHADER_PARAMS
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SHADER_PARAM( BUMPMAP, SHADER_PARAM_TYPE_TEXTURE, "", "dudv bump map" )
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SHADER_PARAM( REFRACTTEXTURE, SHADER_PARAM_TYPE_TEXTURE, "", "refraction texture" )
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END_SHADER_PARAMS
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SHADER_INIT_PARAMS()
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{
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}
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SHADER_FALLBACK
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{
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return 0;
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}
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SHADER_INIT
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{
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if( params[BUMPMAP]->IsDefined() )
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{
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LoadTexture( BUMPMAP );
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}
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if( params[REFRACTTEXTURE]->IsDefined() )
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{
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LoadTexture( REFRACTTEXTURE );
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}
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}
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SHADER_DRAW
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{
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SHADOW_STATE
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{
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pShaderShadow->EnableAlphaWrites( false );
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pShaderShadow->EnableColorWrites( true );
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pShaderShadow->DepthFunc( SHADER_DEPTHFUNC_ALWAYS );
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pShaderShadow->EnableDepthWrites( false );
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pShaderShadow->EnableTexture( SHADER_TEXTURE_STAGE0, true );
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pShaderShadow->EnableTexture( SHADER_TEXTURE_STAGE1, true );
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pShaderShadow->VertexShaderVertexFormat( VERTEX_POSITION, 1, 0, 0, 0 );
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pShaderShadow->SetVertexShader( "WaterSecondPass_vs11", 0 );
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pShaderShadow->SetPixelShader( "WaterSecondPass_ps11", 0 );
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DisableFog();
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}
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DYNAMIC_STATE
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{
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ITexture *pTexture = params[BUMPMAP]->GetTextureValue();
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int w = pTexture->GetActualWidth();
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int h = pTexture->GetActualHeight();
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pShaderAPI->SetBumpEnvMatrix( 1, 16.0f / (float)w, 0.0f, 0.0f, 16.0f /(float)h );
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BindTexture( SHADER_TEXTURE_STAGE0, BUMPMAP, 0 );
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BindTexture( SHADER_TEXTURE_STAGE1, REFRACTTEXTURE, 0 );
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SetWaterFogColorPixelShaderConstantGamma( 0 );
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Vector4D vec( 1.0f, 0.0f, 0.0f, 0.0f );
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pShaderAPI->SetPixelShaderConstant( 1, vec.Base() );
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// Used deal with the fact that the dudv is being treated
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// as an unsigned value
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vec.Init( -8.0f / (float)w, -8.0f / (float)h, 0.0f, 0.0f );
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pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_1, vec.Base() );
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watersecondpass_vs11_Dynamic_Index vshIndex;
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pShaderAPI->SetVertexShaderIndex( vshIndex.GetIndex() );
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}
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Draw();
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}
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END_SHADER
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