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.
113 lines
2.9 KiB
113 lines
2.9 KiB
//========= Copyright Valve Corporation, All rights reserved. ============// |
|
// |
|
// Purpose: |
|
// |
|
// $NoKeywords: $ |
|
//============================================================================= |
|
|
|
#include "BaseVSShader.h" |
|
|
|
#ifdef STDSHADER_DX9_DLL_EXPORT |
|
#include "screenspaceeffect_vs20.inc" |
|
#include "filmgrain_ps20.inc" |
|
#else |
|
#include "screenspaceeffect_vs11.inc" |
|
#include "filmgrain_ps11.inc" |
|
#endif |
|
|
|
#include "../materialsystem_global.h" |
|
|
|
// memdbgon must be the last include file in a .cpp file!!! |
|
#include "tier0/memdbgon.h" |
|
|
|
#ifdef STDSHADER_DX9_DLL_EXPORT |
|
DEFINE_FALLBACK_SHADER( FilmGrain, FilmGrain_dx9 ) |
|
BEGIN_VS_SHADER_FLAGS( FilmGrain_dx9, "Help for FilmGrain", SHADER_NOT_EDITABLE ) |
|
#else |
|
DEFINE_FALLBACK_SHADER( FilmGrain, FilmGrain_dx8 ) |
|
BEGIN_VS_SHADER_FLAGS( FilmGrain_dx8, "Help for FilmGrain", SHADER_NOT_EDITABLE ) |
|
#endif |
|
|
|
BEGIN_SHADER_PARAMS |
|
SHADER_PARAM( GRAIN_TEXTURE, SHADER_PARAM_TYPE_TEXTURE, "0", "Film grain texture" ) |
|
SHADER_PARAM( NOISESCALE, SHADER_PARAM_TYPE_VEC4, "", "Strength of film grain" ) |
|
END_SHADER_PARAMS |
|
|
|
SHADER_INIT_PARAMS() |
|
{ |
|
SET_FLAGS2( MATERIAL_VAR2_NEEDS_FULL_FRAME_BUFFER_TEXTURE ); |
|
} |
|
|
|
SHADER_FALLBACK |
|
{ |
|
#ifdef STDSHADER_DX9_DLL_EXPORT |
|
// Requires DX9 + above |
|
if ( g_pHardwareConfig->GetDXSupportLevel() < 90) |
|
{ |
|
return "FilmGrain_dx8"; |
|
} |
|
#else // We're DX8 |
|
// Requires DX8 + above |
|
if ( g_pHardwareConfig->GetDXSupportLevel() < 80) |
|
{ |
|
return "FilmGrain_dx7"; |
|
} |
|
#endif |
|
|
|
return 0; |
|
} |
|
|
|
SHADER_INIT |
|
{ |
|
LoadTexture( GRAIN_TEXTURE ); |
|
} |
|
|
|
SHADER_DRAW |
|
{ |
|
SHADOW_STATE |
|
{ |
|
pShaderShadow->EnableBlending( true ); |
|
pShaderShadow->BlendFunc( SHADER_BLEND_ONE, SHADER_BLEND_SRC_ALPHA ); |
|
pShaderShadow->EnableTexture( SHADER_SAMPLER0, true ); |
|
|
|
int fmt = VERTEX_POSITION; |
|
pShaderShadow->VertexShaderVertexFormat( fmt, 1, 0, 0 ); |
|
|
|
#ifdef STDSHADER_DX9_DLL_EXPORT |
|
DECLARE_STATIC_VERTEX_SHADER( screenspaceeffect_vs20 ); |
|
SET_STATIC_VERTEX_SHADER( screenspaceeffect_vs20 ); |
|
|
|
DECLARE_STATIC_PIXEL_SHADER( filmgrain_ps20 ); |
|
SET_STATIC_PIXEL_SHADER( filmgrain_ps20 ); |
|
#else |
|
DECLARE_STATIC_VERTEX_SHADER( screenspaceeffect_vs11 ); |
|
SET_STATIC_VERTEX_SHADER( screenspaceeffect_vs11 ); |
|
|
|
DECLARE_STATIC_PIXEL_SHADER( filmgrain_ps11 ); |
|
SET_STATIC_PIXEL_SHADER( filmgrain_ps11 ); |
|
#endif |
|
|
|
} |
|
DYNAMIC_STATE |
|
{ |
|
BindTexture( SHADER_SAMPLER0, GRAIN_TEXTURE, -1 ); |
|
|
|
SetPixelShaderConstant( 0, NOISESCALE ); |
|
|
|
#ifdef STDSHADER_DX9_DLL_EXPORT |
|
DECLARE_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs20 ); |
|
SET_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs20 ); |
|
|
|
DECLARE_DYNAMIC_PIXEL_SHADER( filmgrain_ps20 ); |
|
SET_DYNAMIC_PIXEL_SHADER( filmgrain_ps20 ); |
|
#else |
|
DECLARE_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs11 ); |
|
SET_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs11 ); |
|
|
|
DECLARE_DYNAMIC_PIXEL_SHADER( filmgrain_ps11 ); |
|
SET_DYNAMIC_PIXEL_SHADER( filmgrain_ps11 ); |
|
#endif |
|
} |
|
Draw(); |
|
} |
|
END_SHADER
|
|
|