You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
1.7 KiB
68 lines
1.7 KiB
//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
|
|
//
|
|
// Purpose:
|
|
//
|
|
// $NoKeywords: $
|
|
//=============================================================================
|
|
|
|
#include "BaseVSShader.h"
|
|
|
|
#include "screenspaceeffect_vs20.inc"
|
|
#include "filmdust_ps20.inc"
|
|
|
|
#include "../materialsystem_global.h"
|
|
|
|
// memdbgon must be the last include file in a .cpp file!!!
|
|
#include "tier0/memdbgon.h"
|
|
|
|
BEGIN_VS_SHADER_FLAGS( FilmDust, "Help for FilmDust", SHADER_NOT_EDITABLE )
|
|
BEGIN_SHADER_PARAMS
|
|
SHADER_PARAM( DUST_TEXTURE, SHADER_PARAM_TYPE_TEXTURE, "0", "Film dust texture" )
|
|
SHADER_PARAM( CHANNEL_SELECT, SHADER_PARAM_TYPE_VEC4, "", "Select which color channel to use" )
|
|
END_SHADER_PARAMS
|
|
|
|
SHADER_INIT_PARAMS()
|
|
{
|
|
SET_FLAGS2( MATERIAL_VAR2_NEEDS_FULL_FRAME_BUFFER_TEXTURE );
|
|
}
|
|
|
|
SHADER_FALLBACK
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
SHADER_INIT
|
|
{
|
|
LoadTexture( DUST_TEXTURE );
|
|
}
|
|
|
|
SHADER_DRAW
|
|
{
|
|
SHADOW_STATE
|
|
{
|
|
pShaderShadow->EnableCulling( false );
|
|
pShaderShadow->EnableBlending( true );
|
|
pShaderShadow->BlendFunc( SHADER_BLEND_ZERO, SHADER_BLEND_SRC_COLOR );
|
|
pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
|
|
|
|
int fmt = VERTEX_POSITION;
|
|
pShaderShadow->VertexShaderVertexFormat( fmt, 1, 0, 0 );
|
|
|
|
DECLARE_STATIC_VERTEX_SHADER( screenspaceeffect_vs20 );
|
|
SET_STATIC_VERTEX_SHADER( screenspaceeffect_vs20 );
|
|
|
|
DECLARE_STATIC_PIXEL_SHADER( filmdust_ps20 );
|
|
SET_STATIC_PIXEL_SHADER( filmdust_ps20 );
|
|
}
|
|
DYNAMIC_STATE
|
|
{
|
|
BindTexture( SHADER_SAMPLER0, TEXTURE_BINDFLAGS_NONE, DUST_TEXTURE, -1 );
|
|
|
|
SetPixelShaderConstant( 0, CHANNEL_SELECT );
|
|
|
|
DECLARE_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs20 );
|
|
SET_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs20 );
|
|
}
|
|
Draw();
|
|
}
|
|
END_SHADER
|