mirror of
https://github.com/Gigaslav/HL2Overcharged.git
synced 2026-01-01 09:48:38 +03:00
333 lines
11 KiB
C++
333 lines
11 KiB
C++
//===== Copyright © 1996-2005, Valve Corporation, All rights reserved. ======//
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//
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// Purpose:
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//
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// $Header: $
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// $NoKeywords: $
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//===========================================================================//
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#include "BaseVSShader.h"
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#include "cpp_shader_constant_register_map.h"
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#include "SDK_decalmodulate_vs20.inc"
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#include "SDK_decalmodulate_ps20.inc"
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#include "SDK_decalmodulate_ps20b.inc"
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#ifndef _X360
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#include "SDK_decalmodulate_vs30.inc"
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#include "SDK_decalmodulate_ps30.inc"
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#endif
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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#ifdef MAPBASE
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ConVar mat_decalmodulate_flashdraw( "mat_decalmodulate_flashdraw", "0" );
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#endif
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DEFINE_FALLBACK_SHADER( SDK_DecalModulate, SDK_DecalModulate_DX9 )
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BEGIN_VS_SHADER( SDK_DecalModulate_dx9,
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"Help for SDK_DecalModulate_dx9" )
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BEGIN_SHADER_PARAMS
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SHADER_PARAM( FOGEXPONENT, SHADER_PARAM_TYPE_FLOAT, "0.4", "exponent to tweak fog fade" )
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SHADER_PARAM( FOGSCALE, SHADER_PARAM_TYPE_FLOAT, "1.0", "scale to tweak fog fade" )
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END_SHADER_PARAMS
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SHADER_FALLBACK
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{
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return 0;
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}
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SHADER_INIT_PARAMS()
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{
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if( !params[ FOGEXPONENT ]->IsDefined() )
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{
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params[ FOGEXPONENT ]->SetFloatValue( 0.4f );
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}
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if( !params[ FOGSCALE ]->IsDefined() )
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{
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params[ FOGSCALE ]->SetFloatValue( 1.0f );
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}
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SET_FLAGS( MATERIAL_VAR_NO_DEBUG_OVERRIDE );
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#ifndef _X360
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if ( g_pHardwareConfig->HasFastVertexTextures() )
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{
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// The vertex shader uses the vertex id stream
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SET_FLAGS2( MATERIAL_VAR2_USES_VERTEXID );
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SET_FLAGS2( MATERIAL_VAR2_SUPPORTS_HW_SKINNING );
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}
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#endif
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}
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SHADER_INIT
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{
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LoadTexture( BASETEXTURE );
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}
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SHADER_DRAW
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{
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#ifdef MAPBASE
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// It is now believed the decals not appearing is a sorting issue.
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// The flashlight part is transparent and overlaid on top of the decal.
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// When a fix is found, this flashlight code could be removed.
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bool bHasFlashlight = UsingFlashlight( params );
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if (bHasFlashlight && !mat_decalmodulate_flashdraw.GetBool())
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return;
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#endif
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SHADOW_STATE
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{
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pShaderShadow->EnableAlphaTest( true );
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pShaderShadow->AlphaFunc( SHADER_ALPHAFUNC_GREATER, 0.0f );
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pShaderShadow->EnableDepthWrites( false );
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pShaderShadow->EnablePolyOffset( SHADER_POLYOFFSET_DECAL );
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pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
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// Be sure not to write to dest alpha
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pShaderShadow->EnableAlphaWrites( false );
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//SRGB conversions hose the blend on some hardware, so keep everything in gamma space.
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pShaderShadow->EnableSRGBRead( SHADER_SAMPLER0, false );
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pShaderShadow->EnableSRGBWrite( false );
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pShaderShadow->EnableBlending( true );
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pShaderShadow->BlendFunc( SHADER_BLEND_DST_COLOR, SHADER_BLEND_SRC_COLOR );
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pShaderShadow->DisableFogGammaCorrection( true ); //fog should stay exactly middle grey
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FogToGrey();
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#ifdef MAPBASE
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int userDataSize = 0;
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int nShadowFilterMode = 0;
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if ( bHasFlashlight )
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{
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pShaderShadow->EnableTexture( SHADER_SAMPLER8, true ); // Depth texture
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pShaderShadow->SetShadowDepthFiltering( SHADER_SAMPLER8 );
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pShaderShadow->EnableTexture( SHADER_SAMPLER6, true ); // Noise map
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pShaderShadow->EnableTexture( SHADER_SAMPLER7, true ); // Flashlight cookie
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pShaderShadow->EnableSRGBRead( SHADER_SAMPLER7, true );
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userDataSize = 4; // tangent S
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if ( g_pHardwareConfig->SupportsPixelShaders_2_b() )
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{
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nShadowFilterMode = g_pHardwareConfig->GetShadowFilterMode(); // Based upon vendor and device dependent formats
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}
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}
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#endif
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bool bHasVertexAlpha = IS_FLAG_SET( MATERIAL_VAR_VERTEXCOLOR ) && IS_FLAG_SET( MATERIAL_VAR_VERTEXALPHA );
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#ifndef _X360
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if ( !g_pHardwareConfig->HasFastVertexTextures() )
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#endif
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{
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DECLARE_STATIC_VERTEX_SHADER( sdk_decalmodulate_vs20 );
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SET_STATIC_VERTEX_SHADER_COMBO( VERTEXCOLOR, bHasVertexAlpha );
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SET_STATIC_VERTEX_SHADER_COMBO( LIGHTING_PREVIEW, false );
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#ifdef MAPBASE
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SET_STATIC_VERTEX_SHADER_COMBO( FLASHLIGHT, bHasFlashlight );
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#endif
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SET_STATIC_VERTEX_SHADER( sdk_decalmodulate_vs20 );
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if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
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{
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DECLARE_STATIC_PIXEL_SHADER( sdk_decalmodulate_ps20b );
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SET_STATIC_PIXEL_SHADER_COMBO( VERTEXALPHA, bHasVertexAlpha );
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#ifdef MAPBASE
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SET_STATIC_PIXEL_SHADER_COMBO( FLASHLIGHT, bHasFlashlight );
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SET_STATIC_PIXEL_SHADER_COMBO( FLASHLIGHTDEPTHFILTERMODE, nShadowFilterMode );
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#endif
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SET_STATIC_PIXEL_SHADER( sdk_decalmodulate_ps20b );
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}
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else
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{
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DECLARE_STATIC_PIXEL_SHADER( sdk_decalmodulate_ps20 );
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SET_STATIC_PIXEL_SHADER_COMBO( VERTEXALPHA, bHasVertexAlpha );
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#ifdef MAPBASE
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SET_STATIC_PIXEL_SHADER_COMBO( FLASHLIGHT, bHasFlashlight );
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#endif
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SET_STATIC_PIXEL_SHADER( sdk_decalmodulate_ps20 );
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}
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}
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#ifndef _X360
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else
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{
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DECLARE_STATIC_VERTEX_SHADER( sdk_decalmodulate_vs30 );
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SET_STATIC_VERTEX_SHADER_COMBO( VERTEXCOLOR, bHasVertexAlpha );
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SET_STATIC_VERTEX_SHADER_COMBO( LIGHTING_PREVIEW, false );
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#ifdef MAPBASE
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SET_STATIC_VERTEX_SHADER_COMBO( FLASHLIGHT, bHasFlashlight );
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#endif
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SET_STATIC_VERTEX_SHADER( sdk_decalmodulate_vs30 );
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DECLARE_STATIC_PIXEL_SHADER( sdk_decalmodulate_ps30 );
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SET_STATIC_PIXEL_SHADER_COMBO( VERTEXALPHA, bHasVertexAlpha );
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#ifdef MAPBASE
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SET_STATIC_PIXEL_SHADER_COMBO( FLASHLIGHT, bHasFlashlight );
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SET_STATIC_PIXEL_SHADER_COMBO( FLASHLIGHTDEPTHFILTERMODE, nShadowFilterMode );
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#endif
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SET_STATIC_PIXEL_SHADER( sdk_decalmodulate_ps30 );
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}
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#endif
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// Set stream format (note that this shader supports compression)
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unsigned int flags = VERTEX_POSITION | VERTEX_FORMAT_COMPRESSED;
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if ( bHasVertexAlpha )
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{
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flags |= VERTEX_COLOR;
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}
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#ifndef _X360
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// The VS30 shader offsets decals along the normal (for morphed geom)
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flags |= g_pHardwareConfig->HasFastVertexTextures() ? VERTEX_NORMAL : 0;
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#endif
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int pTexCoordDim[3] = { 2, 0, 3 };
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int nTexCoordCount = 1;
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#ifndef MAPBASE
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int userDataSize = 0;
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#endif
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#ifndef _X360
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if ( g_pHardwareConfig->HasFastVertexTextures() )
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{
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#ifdef MAPBASE
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if (nTexCoordCount == 0)
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nTexCoordCount = 3;
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#else
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nTexCoordCount = 3;
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#endif
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}
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#endif
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pShaderShadow->VertexShaderVertexFormat( flags, nTexCoordCount, pTexCoordDim, userDataSize );
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}
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DYNAMIC_STATE
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{
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#ifdef MAPBASE // This fixes blood decals, etc. not showing up under flashlights.
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//bHasFlashlight = pShaderAPI->InFlashlightMode();
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bool bFlashlightShadows = false;
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if ( bHasFlashlight )
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{
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VMatrix worldToTexture;
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ITexture *pFlashlightDepthTexture;
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FlashlightState_t state = pShaderAPI->GetFlashlightStateEx( worldToTexture, &pFlashlightDepthTexture );
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bFlashlightShadows = state.m_bEnableShadows && ( pFlashlightDepthTexture != NULL );
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if( pFlashlightDepthTexture && g_pConfig->ShadowDepthTexture() && state.m_bEnableShadows )
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{
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BindTexture( SHADER_SAMPLER8, pFlashlightDepthTexture, 0 );
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pShaderAPI->BindStandardTexture( SHADER_SAMPLER6, TEXTURE_SHADOW_NOISE_2D );
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}
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SetFlashLightColorFromState( state, pShaderAPI, 28 );
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Assert( state.m_pSpotlightTexture >= 0 && state.m_nSpotlightTextureFrame >= 0 );
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BindTexture( SHADER_SAMPLER7, state.m_pSpotlightTexture, state.m_nSpotlightTextureFrame );
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float atten_pos[8];
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atten_pos[0] = state.m_fConstantAtten; // Set the flashlight attenuation factors
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atten_pos[1] = state.m_fLinearAtten;
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atten_pos[2] = state.m_fQuadraticAtten;
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atten_pos[3] = state.m_FarZ;
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atten_pos[4] = state.m_vecLightOrigin[0]; // Set the flashlight origin
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atten_pos[5] = state.m_vecLightOrigin[1];
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atten_pos[6] = state.m_vecLightOrigin[2];
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atten_pos[7] = 1.0f;
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pShaderAPI->SetPixelShaderConstant( 22, atten_pos, 2 );
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pShaderAPI->SetPixelShaderConstant( 24, worldToTexture.Base(), 4 );
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}
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//if ( pShaderAPI->InFlashlightMode() && mat_decalmodulate_noflashdraw.GetBool() )
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#else
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if ( pShaderAPI->InFlashlightMode() && !IsX360() )
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{
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// Don't draw anything for the flashlight pass
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Draw( false );
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return;
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}
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#endif
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BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
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// Set an identity base texture transformation
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Vector4D transformation[2];
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transformation[0].Init( 1.0f, 0.0f, 0.0f, 0.0f );
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transformation[1].Init( 0.0f, 1.0f, 0.0f, 0.0f );
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pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, transformation[0].Base(), 2 );
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pShaderAPI->SetPixelShaderFogParams( PSREG_FOG_PARAMS );
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float vEyePos_SpecExponent[4];
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pShaderAPI->GetWorldSpaceCameraPosition( vEyePos_SpecExponent );
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vEyePos_SpecExponent[3] = 0.0f;
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pShaderAPI->SetPixelShaderConstant( PSREG_EYEPOS_SPEC_EXPONENT, vEyePos_SpecExponent, 1 );
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// fog tweaks
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float fConsts[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
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fConsts[0] = params[ FOGEXPONENT ]->GetFloatValue();
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fConsts[1] = params[ FOGSCALE ]->GetFloatValue();
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pShaderAPI->SetPixelShaderConstant( 0, fConsts );
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MaterialFogMode_t fogType = pShaderAPI->GetSceneFogMode();
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#ifndef _X360
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if ( !g_pHardwareConfig->HasFastVertexTextures() )
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#endif
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{
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DECLARE_DYNAMIC_VERTEX_SHADER( sdk_decalmodulate_vs20 );
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SET_DYNAMIC_VERTEX_SHADER_COMBO( DOWATERFOG, fogType == MATERIAL_FOG_LINEAR_BELOW_FOG_Z );
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SET_DYNAMIC_VERTEX_SHADER_COMBO( SKINNING, 0 );
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SET_DYNAMIC_VERTEX_SHADER_COMBO( COMPRESSED_VERTS, (int)vertexCompression );
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// SET_DYNAMIC_VERTEX_SHADER_COMBO( TESSELLATION, 0 ); // JasonM TODO: set this appropriately when we care about decals on subds
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SET_DYNAMIC_VERTEX_SHADER( sdk_decalmodulate_vs20 );
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if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
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{
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DECLARE_DYNAMIC_PIXEL_SHADER( sdk_decalmodulate_ps20b );
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SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() );
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#ifdef MAPBASE
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SET_DYNAMIC_PIXEL_SHADER_COMBO( FLASHLIGHTSHADOWS, bFlashlightShadows );
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#endif
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SET_DYNAMIC_PIXEL_SHADER( sdk_decalmodulate_ps20b );
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}
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else
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{
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DECLARE_DYNAMIC_PIXEL_SHADER( sdk_decalmodulate_ps20 );
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SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() );
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SET_DYNAMIC_PIXEL_SHADER( sdk_decalmodulate_ps20 );
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}
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}
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#ifndef _X360
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else
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{
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SetHWMorphVertexShaderState( VERTEX_SHADER_SHADER_SPECIFIC_CONST_6, VERTEX_SHADER_SHADER_SPECIFIC_CONST_7, SHADER_VERTEXTEXTURE_SAMPLER0 );
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DECLARE_DYNAMIC_VERTEX_SHADER( sdk_decalmodulate_vs30 );
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SET_DYNAMIC_VERTEX_SHADER_COMBO( DOWATERFOG, fogType == MATERIAL_FOG_LINEAR_BELOW_FOG_Z );
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SET_DYNAMIC_VERTEX_SHADER_COMBO( SKINNING, pShaderAPI->GetCurrentNumBones() > 0 );
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SET_DYNAMIC_VERTEX_SHADER_COMBO( COMPRESSED_VERTS, (int)vertexCompression );
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SET_DYNAMIC_VERTEX_SHADER_COMBO( MORPHING, pShaderAPI->IsHWMorphingEnabled() );
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// SET_DYNAMIC_VERTEX_SHADER_COMBO( TESSELLATION, 0 ); // JasonM TODO: set this appropriately when we care about decals on subds
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SET_DYNAMIC_VERTEX_SHADER( sdk_decalmodulate_vs30 );
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DECLARE_DYNAMIC_PIXEL_SHADER( sdk_decalmodulate_ps30 );
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SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() );
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#ifdef MAPBASE
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SET_DYNAMIC_PIXEL_SHADER_COMBO( FLASHLIGHTSHADOWS, bFlashlightShadows );
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#endif
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SET_DYNAMIC_PIXEL_SHADER( sdk_decalmodulate_ps30 );
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bool bUnusedTexCoords[3] = { false, false, !pShaderAPI->IsHWMorphingEnabled() };
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pShaderAPI->MarkUnusedVertexFields( 0, 3, bUnusedTexCoords );
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}
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#endif
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}
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Draw( );
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}
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END_SHADER
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