mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-22 14:16:50 +00:00
95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
|
//========= Copyright Valve Corporation, All rights reserved. ============//
|
||
|
|
//
|
||
|
|
// DirectX 9 Cloud shader
|
||
|
|
//
|
||
|
|
//===============================================================================
|
||
|
|
|
||
|
|
#include "BaseVSShader.h"
|
||
|
|
#include "cloud_vs20.inc"
|
||
|
|
#include "cloud_ps20.inc"
|
||
|
|
|
||
|
|
|
||
|
|
// memdbgon must be the last include file in a .cpp file!!!
|
||
|
|
#include "tier0/memdbgon.h"
|
||
|
|
|
||
|
|
DEFINE_FALLBACK_SHADER( Cloud, Cloud_dx9 )
|
||
|
|
|
||
|
|
BEGIN_VS_SHADER( Cloud_dx9, "Help for Cloud" )
|
||
|
|
|
||
|
|
BEGIN_SHADER_PARAMS
|
||
|
|
SHADER_PARAM_OVERRIDE( BASETEXTURE, SHADER_PARAM_TYPE_TEXTURE, "shadertest/cloud", "cloud texture", 0 )
|
||
|
|
SHADER_PARAM( CLOUDALPHATEXTURE, SHADER_PARAM_TYPE_TEXTURE, "shadertest/cloudalpha", "cloud alpha texture" )
|
||
|
|
SHADER_PARAM( CLOUDSCALE, SHADER_PARAM_TYPE_VEC2, "[1 1]", "cloudscale" )
|
||
|
|
SHADER_PARAM( MASKSCALE, SHADER_PARAM_TYPE_VEC2, "[1 1]", "maskscale" )
|
||
|
|
END_SHADER_PARAMS
|
||
|
|
|
||
|
|
SHADER_FALLBACK
|
||
|
|
{
|
||
|
|
if( g_pHardwareConfig->GetDXSupportLevel() < 90 )
|
||
|
|
return "Cloud_dx8";
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
SHADER_INIT
|
||
|
|
{
|
||
|
|
LoadTexture( BASETEXTURE, TEXTUREFLAGS_SRGB );
|
||
|
|
LoadTexture( CLOUDALPHATEXTURE, TEXTUREFLAGS_SRGB );
|
||
|
|
if ( !params[CLOUDSCALE]->IsDefined() )
|
||
|
|
{
|
||
|
|
params[CLOUDSCALE]->SetVecValue( 1.0f, 1.0f );
|
||
|
|
}
|
||
|
|
if ( !params[MASKSCALE]->IsDefined() )
|
||
|
|
{
|
||
|
|
params[MASKSCALE]->SetVecValue( 1.0f, 1.0f );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
SHADER_DRAW
|
||
|
|
{
|
||
|
|
SHADOW_STATE
|
||
|
|
{
|
||
|
|
pShaderShadow->EnableDepthWrites( false );
|
||
|
|
pShaderShadow->EnableBlending( true );
|
||
|
|
if ( IS_FLAG_SET( MATERIAL_VAR_ADDITIVE ) )
|
||
|
|
{
|
||
|
|
pShaderShadow->BlendFunc( SHADER_BLEND_ONE, SHADER_BLEND_ONE );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
pShaderShadow->BlendFunc( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
|
||
|
|
}
|
||
|
|
pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
|
||
|
|
pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
|
||
|
|
|
||
|
|
pShaderShadow->VertexShaderVertexFormat( VERTEX_POSITION, 2, 0, 0 );
|
||
|
|
|
||
|
|
DECLARE_STATIC_VERTEX_SHADER( cloud_vs20 );
|
||
|
|
SET_STATIC_VERTEX_SHADER( cloud_vs20 );
|
||
|
|
|
||
|
|
DECLARE_STATIC_PIXEL_SHADER( cloud_ps20 );
|
||
|
|
SET_STATIC_PIXEL_SHADER( cloud_ps20 );
|
||
|
|
|
||
|
|
DefaultFog();
|
||
|
|
}
|
||
|
|
|
||
|
|
DYNAMIC_STATE
|
||
|
|
{
|
||
|
|
BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
|
||
|
|
BindTexture( SHADER_SAMPLER1, CLOUDALPHATEXTURE );
|
||
|
|
|
||
|
|
// Handle scrolling of base texture
|
||
|
|
SetVertexShaderTextureScaledTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, BASETEXTURETRANSFORM, CLOUDSCALE );
|
||
|
|
SetVertexShaderTextureScale( VERTEX_SHADER_SHADER_SPECIFIC_CONST_2, MASKSCALE );
|
||
|
|
|
||
|
|
DECLARE_DYNAMIC_VERTEX_SHADER( cloud_vs20 );
|
||
|
|
SET_DYNAMIC_VERTEX_SHADER( cloud_vs20 );
|
||
|
|
|
||
|
|
DECLARE_DYNAMIC_PIXEL_SHADER( cloud_ps20 );
|
||
|
|
SET_DYNAMIC_PIXEL_SHADER( cloud_ps20 );
|
||
|
|
}
|
||
|
|
|
||
|
|
Draw();
|
||
|
|
}
|
||
|
|
END_SHADER
|