diff options
Diffstat (limited to 'materialsystem/stdshaders/filmdust_dx7.cpp')
| -rw-r--r-- | materialsystem/stdshaders/filmdust_dx7.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/filmdust_dx7.cpp b/materialsystem/stdshaders/filmdust_dx7.cpp new file mode 100644 index 0000000..875604b --- /dev/null +++ b/materialsystem/stdshaders/filmdust_dx7.cpp @@ -0,0 +1,67 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: +// +// $Header: $ +// $NoKeywords: $ +//=============================================================================// + +#include "shaderlib/cshader.h" + +// memdbgon must be the last include file in a .cpp file!!! +#include "tier0/memdbgon.h" + +DEFINE_FALLBACK_SHADER( FilmDust, FilmDust_DX7 ) + +BEGIN_SHADER( FilmDust_DX7, "Help for FilmDust_DX7" ) + + BEGIN_SHADER_PARAMS + SHADER_PARAM( DUST_TEXTURE, SHADER_PARAM_TYPE_TEXTURE, "0", "Film grain texture" ) + SHADER_PARAM( CHANNEL_SELECT, SHADER_PARAM_TYPE_VEC4, "", "Select which color channel to use" ) + END_SHADER_PARAMS + + SHADER_INIT_PARAMS() + { + } + + SHADER_FALLBACK + { + // Requires DX9 + above + if ( g_pHardwareConfig->GetDXSupportLevel() < 70 ) + { + Assert( 0 ); + return "Wireframe"; + } + return 0; + } + + SHADER_INIT + { + LoadTexture( DUST_TEXTURE ); + } + + SHADER_DRAW + { + SHADOW_STATE + { + pShaderShadow->EnableConstantColor( true ); + pShaderShadow->EnableBlending( true ); + pShaderShadow->BlendFunc( SHADER_BLEND_ZERO, SHADER_BLEND_ONE_MINUS_SRC_COLOR ); + + pShaderShadow->EnableCustomPixelPipe( true ); + pShaderShadow->CustomTextureStages( 1 ); + pShaderShadow->CustomTextureOperation( SHADER_TEXTURE_STAGE0, SHADER_TEXCHANNEL_COLOR, SHADER_TEXOP_DOTPRODUCT3, SHADER_TEXARG_CONSTANTCOLOR, SHADER_TEXARG_TEXTURE ); + + pShaderShadow->EnableTexture( SHADER_SAMPLER0, true ); + } + DYNAMIC_STATE + { + float color[4]; + params[CHANNEL_SELECT]->GetVecValue( color, 4 ); + s_pShaderAPI->Color4fv( color ); + + BindTexture( SHADER_SAMPLER0, DUST_TEXTURE, -1 ); + } + Draw(); + } +END_SHADER |