Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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5 years ago
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $Header: $
// $NoKeywords: $
//===========================================================================//
#include "BaseVSShader.h"
#include "cpp_shader_constant_register_map.h"
#include "VertexLit_and_unlit_Generic_vs20.inc"
#include "decalmodulate_ps20.inc"
#include "decalmodulate_ps20b.inc"
#ifndef _X360
#include "vertexlit_and_unlit_generic_vs30.inc"
#include "decalmodulate_ps30.inc"
#endif
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
DEFINE_FALLBACK_SHADER( DecalModulate, DecalModulate_DX9 )
extern ConVar r_flashlight_version2;
BEGIN_VS_SHADER( DecalModulate_dx9,
"Help for DecalModulate_dx9" )
BEGIN_SHADER_PARAMS
END_SHADER_PARAMS
SHADER_FALLBACK
{
if (g_pHardwareConfig->GetDXSupportLevel() < 90)
return "DecalModulate_DX6";
return 0;
}
SHADER_INIT_PARAMS()
{
SET_FLAGS( MATERIAL_VAR_NO_DEBUG_OVERRIDE );
#ifndef _X360
if ( g_pHardwareConfig->HasFastVertexTextures() )
{
// The vertex shader uses the vertex id stream
SET_FLAGS2( MATERIAL_VAR2_USES_VERTEXID );
SET_FLAGS2( MATERIAL_VAR2_SUPPORTS_HW_SKINNING );
}
#endif
}
SHADER_INIT
{
LoadTexture( BASETEXTURE );
}
SHADER_DRAW
{
SHADOW_STATE
{
pShaderShadow->EnableAlphaTest( true );
pShaderShadow->AlphaFunc( SHADER_ALPHAFUNC_GREATER, 0.0f );
pShaderShadow->EnableDepthWrites( false );
pShaderShadow->EnablePolyOffset( SHADER_POLYOFFSET_DECAL );
pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
// Be sure not to write to dest alpha
pShaderShadow->EnableAlphaWrites( false );
// SRGB conversions hose the blend on some hardware, so keep we everything in gamma space
pShaderShadow->EnableSRGBRead( SHADER_SAMPLER0, false );
pShaderShadow->EnableSRGBWrite( false );
pShaderShadow->EnableBlending( true );
pShaderShadow->BlendFunc( SHADER_BLEND_DST_COLOR, SHADER_BLEND_SRC_COLOR );
pShaderShadow->DisableFogGammaCorrection( true ); //fog should stay exactly middle grey
FogToGrey();
#ifndef _X360
if ( !g_pHardwareConfig->HasFastVertexTextures() )
#endif
{
bool bUseStaticControlFlow = g_pHardwareConfig->SupportsStaticControlFlow();
DECLARE_STATIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs20 );
SET_STATIC_VERTEX_SHADER_COMBO( VERTEXCOLOR, false );
SET_STATIC_VERTEX_SHADER_COMBO( CUBEMAP, false );
SET_STATIC_VERTEX_SHADER_COMBO( HALFLAMBERT, false );
SET_STATIC_VERTEX_SHADER_COMBO( FLASHLIGHT, false );
SET_STATIC_VERTEX_SHADER_COMBO( SEAMLESS_BASE, false );
SET_STATIC_VERTEX_SHADER_COMBO( SEAMLESS_DETAIL, false );
SET_STATIC_VERTEX_SHADER_COMBO( SEPARATE_DETAIL_UVS, false );
SET_STATIC_VERTEX_SHADER_COMBO( USE_STATIC_CONTROL_FLOW, bUseStaticControlFlow );
SET_STATIC_VERTEX_SHADER_COMBO( DONT_GAMMA_CONVERT_VERTEX_COLOR, 0 );
SET_STATIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs20 );
if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
{
DECLARE_STATIC_PIXEL_SHADER( decalmodulate_ps20b );
SET_STATIC_PIXEL_SHADER( decalmodulate_ps20b );
}
else
{
DECLARE_STATIC_PIXEL_SHADER( decalmodulate_ps20 );
SET_STATIC_PIXEL_SHADER( decalmodulate_ps20 );
}
}
#ifndef _X360
else
{
DECLARE_STATIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs30 );
SET_STATIC_VERTEX_SHADER_COMBO( VERTEXCOLOR, false );
SET_STATIC_VERTEX_SHADER_COMBO( CUBEMAP, false );
SET_STATIC_VERTEX_SHADER_COMBO( HALFLAMBERT, false );
SET_STATIC_VERTEX_SHADER_COMBO( FLASHLIGHT, false );
SET_STATIC_VERTEX_SHADER_COMBO( SEAMLESS_BASE, false );
SET_STATIC_VERTEX_SHADER_COMBO( SEAMLESS_DETAIL, false );
SET_STATIC_VERTEX_SHADER_COMBO( SEPARATE_DETAIL_UVS, false );
SET_STATIC_VERTEX_SHADER_COMBO( DECAL, true );
SET_STATIC_VERTEX_SHADER_COMBO( DONT_GAMMA_CONVERT_VERTEX_COLOR, 0 );
SET_STATIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs30 );
DECLARE_STATIC_PIXEL_SHADER( decalmodulate_ps30 );
SET_STATIC_PIXEL_SHADER( decalmodulate_ps30 );
}
#endif
// Set stream format (note that this shader supports compression)
unsigned int flags = VERTEX_POSITION | VERTEX_FORMAT_COMPRESSED;
#ifndef _X360
// The VS30 shader offsets decals along the normal (for morphed geom)
flags |= g_pHardwareConfig->HasFastVertexTextures() ? VERTEX_NORMAL : 0;
#endif
int pTexCoordDim[3] = { 2, 0, 3 };
int nTexCoordCount = 1;
int userDataSize = 0;
#ifndef _X360
if ( g_pHardwareConfig->HasFastVertexTextures() )
{
nTexCoordCount = 3;
}
#endif
pShaderShadow->VertexShaderVertexFormat( flags, nTexCoordCount, pTexCoordDim, userDataSize );
}
DYNAMIC_STATE
{
if ( pShaderAPI->InFlashlightMode() && ( !IsX360() && ( r_flashlight_version2.GetInt() == 0 ) ) )
{
// Don't draw anything for the flashlight pass
Draw( false );
return;
}
BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
// Set an identity base texture transformation
Vector4D transformation[2];
transformation[0].Init( 1.0f, 0.0f, 0.0f, 0.0f );
transformation[1].Init( 0.0f, 1.0f, 0.0f, 0.0f );
pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, transformation[0].Base(), 2 );
MaterialFogMode_t fogType = s_pShaderAPI->GetSceneFogMode();
int fogIndex = ( fogType == MATERIAL_FOG_LINEAR_BELOW_FOG_Z ) ? 1 : 0;
pShaderAPI->SetPixelShaderFogParams( PSREG_FOG_PARAMS );
float vEyePos_SpecExponent[4];
pShaderAPI->GetWorldSpaceCameraPosition( vEyePos_SpecExponent );
vEyePos_SpecExponent[3] = 0.0f;
pShaderAPI->SetPixelShaderConstant( PSREG_EYEPOS_SPEC_EXPONENT, vEyePos_SpecExponent, 1 );
#ifndef _X360
if ( !g_pHardwareConfig->HasFastVertexTextures() )
#endif
{
DECLARE_DYNAMIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs20 );
SET_DYNAMIC_VERTEX_SHADER_COMBO( DYNAMIC_LIGHT, 0 ); // Use simplest possible vertex lighting, since ps is so simple
SET_DYNAMIC_VERTEX_SHADER_COMBO( STATIC_LIGHT, 0); //
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SET_DYNAMIC_VERTEX_SHADER_COMBO( DOWATERFOG, fogIndex );
SET_DYNAMIC_VERTEX_SHADER_COMBO( SKINNING, 0 );
SET_DYNAMIC_VERTEX_SHADER_COMBO( LIGHTING_PREVIEW, 0 );
SET_DYNAMIC_VERTEX_SHADER_COMBO( COMPRESSED_VERTS, (int)vertexCompression );
SET_DYNAMIC_VERTEX_SHADER_COMBO( NUM_LIGHTS, 0 );
SET_DYNAMIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs20 );
if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
{
DECLARE_DYNAMIC_PIXEL_SHADER( decalmodulate_ps20b );
SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() );
SET_DYNAMIC_PIXEL_SHADER( decalmodulate_ps20b );
}
else
{
DECLARE_DYNAMIC_PIXEL_SHADER( decalmodulate_ps20 );
SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() );
SET_DYNAMIC_PIXEL_SHADER( decalmodulate_ps20 );
}
}
#ifndef _X360
else
{
SetHWMorphVertexShaderState( VERTEX_SHADER_SHADER_SPECIFIC_CONST_6, VERTEX_SHADER_SHADER_SPECIFIC_CONST_7, SHADER_VERTEXTEXTURE_SAMPLER0 );
DECLARE_DYNAMIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs30 );
SET_DYNAMIC_VERTEX_SHADER_COMBO( DYNAMIC_LIGHT, 0 ); // Use simplest possible vertex lighting, since ps is so simple
SET_DYNAMIC_VERTEX_SHADER_COMBO( STATIC_LIGHT, 0); //
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SET_DYNAMIC_VERTEX_SHADER_COMBO( DOWATERFOG, fogIndex );
SET_DYNAMIC_VERTEX_SHADER_COMBO( SKINNING, pShaderAPI->GetCurrentNumBones() > 0 );
SET_DYNAMIC_VERTEX_SHADER_COMBO( LIGHTING_PREVIEW, 0 );
SET_DYNAMIC_VERTEX_SHADER_COMBO( MORPHING, pShaderAPI->IsHWMorphingEnabled() );
SET_DYNAMIC_VERTEX_SHADER_COMBO( COMPRESSED_VERTS, (int)vertexCompression );
SET_DYNAMIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs30 );
DECLARE_DYNAMIC_PIXEL_SHADER( decalmodulate_ps30 );
SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() );
SET_DYNAMIC_PIXEL_SHADER( decalmodulate_ps30 );
bool bUnusedTexCoords[3] = { false, false, !pShaderAPI->IsHWMorphingEnabled() };
pShaderAPI->MarkUnusedVertexFields( 0, 3, bUnusedTexCoords );
}
#endif
}
Draw( );
}
END_SHADER