78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $Header: $
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// $NoKeywords: $
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//=============================================================================//
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#include "BaseVSShader.h"
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#include "cloud_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( Cloud_dx8, "Help for Cloud" )
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BEGIN_SHADER_PARAMS
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SHADER_PARAM_OVERRIDE( BASETEXTURE, SHADER_PARAM_TYPE_TEXTURE, "shadertest/cloud", "cloud texture", 0 )
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SHADER_PARAM( CLOUDALPHATEXTURE, SHADER_PARAM_TYPE_TEXTURE, "shadertest/cloudalpha", "cloud alpha texture" )
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SHADER_PARAM( CLOUDSCALE, SHADER_PARAM_TYPE_VEC2, "[1 1]", "cloudscale" )
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SHADER_PARAM( MASKSCALE, SHADER_PARAM_TYPE_VEC2, "[1 1]", "maskscale" )
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END_SHADER_PARAMS
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SHADER_INIT
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{
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LoadTexture( BASETEXTURE, TEXTUREFLAGS_SRGB );
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LoadTexture( CLOUDALPHATEXTURE, TEXTUREFLAGS_SRGB );
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if ( !params[CLOUDSCALE]->IsDefined() )
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{
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params[CLOUDSCALE]->SetVecValue( 1.0f, 1.0f );
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}
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if ( !params[MASKSCALE]->IsDefined() )
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{
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params[MASKSCALE]->SetVecValue( 1.0f, 1.0f );
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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->EnableDepthWrites( false );
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pShaderShadow->EnableBlending( true );
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if ( IS_FLAG_SET( MATERIAL_VAR_ADDITIVE ) )
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{
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pShaderShadow->BlendFunc( SHADER_BLEND_ONE, SHADER_BLEND_ONE );
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}
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else
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{
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pShaderShadow->BlendFunc( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
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}
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pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
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pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
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pShaderShadow->VertexShaderVertexFormat( VERTEX_POSITION, 2, 0, 0 );
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cloud_vs11_Static_Index vshIndex;
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pShaderShadow->SetVertexShader( "cloud_vs11", vshIndex.GetIndex() );
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pShaderShadow->SetPixelShader( "cloud_ps11" );
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DefaultFog();
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}
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DYNAMIC_STATE
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{
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BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
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BindTexture( SHADER_SAMPLER1, CLOUDALPHATEXTURE );
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// handle scrolling of base texture
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SetVertexShaderTextureScaledTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, BASETEXTURETRANSFORM, CLOUDSCALE );
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SetVertexShaderTextureScale( VERTEX_SHADER_SHADER_SPECIFIC_CONST_2, MASKSCALE );
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pShaderAPI->SetVertexShaderIndex( 0 );
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}
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Draw();
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}
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END_SHADER
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