d4708
/
source-engine
mirror of https://github.com/nillerusr/source-engine.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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.
195 Commits
25 Branches
6 Tags
221 MiB
 
 
 
 
 
 
Tree: 5e1ed3bd26
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '5e1ed3bd26'
${ noResults }
source-engine/materialsystem/stdshaders/water.cpp

592 lines
20 KiB
Raw Blame History

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include "BaseVSShader.h"
#include "mathlib/vmatrix.h"
#include "common_hlsl_cpp_consts.h" // hack hack hack!
#include "convar.h"
#include "WaterCheap_vs20.inc"
#include "WaterCheap_ps20.inc"
#include "WaterCheap_ps20b.inc"
#include "Water_vs20.inc"
#include "Water_ps20.inc"
#include "water_ps20b.inc"
#ifndef _X360
static ConVar r_waterforceexpensive( "r_waterforceexpensive", "0", FCVAR_ARCHIVE );
#endif
DEFINE_FALLBACK_SHADER( Water, Water_DX9_HDR )
BEGIN_VS_SHADER( Water_DX90,
"Help for Water" )
BEGIN_SHADER_PARAMS
SHADER_PARAM( REFRACTTEXTURE, SHADER_PARAM_TYPE_TEXTURE, "_rt_WaterRefraction", "" )
SHADER_PARAM( REFLECTTEXTURE, SHADER_PARAM_TYPE_TEXTURE, "_rt_WaterReflection", "" )
SHADER_PARAM( REFRACTAMOUNT, SHADER_PARAM_TYPE_FLOAT, "0", "" )
SHADER_PARAM( REFRACTTINT, SHADER_PARAM_TYPE_COLOR, "[1 1 1]", "refraction tint" )
SHADER_PARAM( REFLECTAMOUNT, SHADER_PARAM_TYPE_FLOAT, "0.8", "" )
SHADER_PARAM( REFLECTTINT, SHADER_PARAM_TYPE_COLOR, "[1 1 1]", "reflection tint" )
SHADER_PARAM( NORMALMAP, SHADER_PARAM_TYPE_TEXTURE, "dev/water_normal", "normal map" )
SHADER_PARAM( BUMPFRAME, SHADER_PARAM_TYPE_INTEGER, "0", "frame number for $bumpmap" )
SHADER_PARAM( BUMPTRANSFORM, SHADER_PARAM_TYPE_MATRIX, "center .5 .5 scale 1 1 rotate 0 translate 0 0", "$bumpmap texcoord transform" )
SHADER_PARAM( SCALE, SHADER_PARAM_TYPE_VEC2, "[1 1]", "" )
SHADER_PARAM( TIME, SHADER_PARAM_TYPE_FLOAT, "", "" )
SHADER_PARAM( WATERDEPTH, SHADER_PARAM_TYPE_FLOAT, "", "" )
SHADER_PARAM( CHEAPWATERSTARTDISTANCE, SHADER_PARAM_TYPE_FLOAT, "", "This is the distance from the eye in inches that the shader should start transitioning to a cheaper water shader." )
SHADER_PARAM( CHEAPWATERENDDISTANCE, SHADER_PARAM_TYPE_FLOAT, "", "This is the distance from the eye in inches that the shader should finish transitioning to a cheaper water shader." )
SHADER_PARAM( ENVMAP, SHADER_PARAM_TYPE_TEXTURE, "env_cubemap", "envmap" )
SHADER_PARAM( ENVMAPFRAME, SHADER_PARAM_TYPE_INTEGER, "0", "" )
SHADER_PARAM( FOGCOLOR, SHADER_PARAM_TYPE_COLOR, "", "" )
SHADER_PARAM( FORCECHEAP, SHADER_PARAM_TYPE_BOOL, "", "" )
SHADER_PARAM( FORCEEXPENSIVE, SHADER_PARAM_TYPE_BOOL, "", "" )
SHADER_PARAM( REFLECTENTITIES, SHADER_PARAM_TYPE_BOOL, "", "" )
SHADER_PARAM( FOGSTART, SHADER_PARAM_TYPE_FLOAT, "", "" )
SHADER_PARAM( FOGEND, SHADER_PARAM_TYPE_FLOAT, "", "" )
SHADER_PARAM( ABOVEWATER, SHADER_PARAM_TYPE_BOOL, "", "" )
SHADER_PARAM( REFLECTBLENDFACTOR, SHADER_PARAM_TYPE_FLOAT, "1.0", "" )
SHADER_PARAM( NOFRESNEL, SHADER_PARAM_TYPE_BOOL, "0", "" )
SHADER_PARAM( NOLOWENDLIGHTMAP, SHADER_PARAM_TYPE_BOOL, "0", "" )
SHADER_PARAM( SCROLL1, SHADER_PARAM_TYPE_COLOR, "", "" )
SHADER_PARAM( SCROLL2, SHADER_PARAM_TYPE_COLOR, "", "" )
SHADER_PARAM( BLURREFRACT, SHADER_PARAM_TYPE_BOOL, "0", "Cause the refraction to be blurry on ps2b hardware" )
END_SHADER_PARAMS
SHADER_INIT_PARAMS()
{
if( !params[ABOVEWATER]->IsDefined() )
{
Warning( "***need to set $abovewater for material %s\n", pMaterialName );
params[ABOVEWATER]->SetIntValue( 1 );
}
SET_FLAGS2( MATERIAL_VAR2_NEEDS_TANGENT_SPACES );
if( !params[CHEAPWATERSTARTDISTANCE]->IsDefined() )
{
params[CHEAPWATERSTARTDISTANCE]->SetFloatValue( 500.0f );
}
if( !params[CHEAPWATERENDDISTANCE]->IsDefined() )
{
params[CHEAPWATERENDDISTANCE]->SetFloatValue( 1000.0f );
}
if( !params[SCALE]->IsDefined() )
{
params[SCALE]->SetVecValue( 1.0f, 1.0f );
}
if( !params[SCROLL1]->IsDefined() )
{
params[SCROLL1]->SetVecValue( 0.0f, 0.0f, 0.0f );
}
if( !params[SCROLL2]->IsDefined() )
{
params[SCROLL2]->SetVecValue( 0.0f, 0.0f, 0.0f );
}
if( !params[FOGCOLOR]->IsDefined() )
{
params[FOGCOLOR]->SetVecValue( 1.0f, 0.0f, 0.0f );
Warning( "material %s needs to have a $fogcolor.\n", pMaterialName );
}
if( !params[REFLECTENTITIES]->IsDefined() )
{
params[REFLECTENTITIES]->SetIntValue( 0 );
}
if( !params[REFLECTBLENDFACTOR]->IsDefined() )
{
params[REFLECTBLENDFACTOR]->SetFloatValue( 1.0f );
}
// By default, we're force expensive on dx9. NO WE DON'T!!!!
if( !params[FORCEEXPENSIVE]->IsDefined() )
{
#ifdef _X360
params[FORCEEXPENSIVE]->SetIntValue( 0 );
#else
params[FORCEEXPENSIVE]->SetIntValue( 1 );
#endif
}
if( params[FORCEEXPENSIVE]->GetIntValue() && params[FORCECHEAP]->GetIntValue() )
{
params[FORCEEXPENSIVE]->SetIntValue( 0 );
}
// Fallbacks for water need lightmaps usually
if ( !params[NOLOWENDLIGHTMAP]->GetIntValue() )
{
SET_FLAGS2( MATERIAL_VAR2_LIGHTING_LIGHTMAP );
}
SET_FLAGS2( MATERIAL_VAR2_LIGHTING_LIGHTMAP );
if( g_pConfig->UseBumpmapping() && params[NORMALMAP]->IsDefined() )
{
SET_FLAGS2( MATERIAL_VAR2_LIGHTING_BUMPED_LIGHTMAP );
}
}
SHADER_FALLBACK
{
if( g_pHardwareConfig->GetDXSupportLevel() < 90 )
{
return "Water_DX81";
}
return 0;
}
SHADER_INIT
{
Assert( params[WATERDEPTH]->IsDefined() );
if( params[REFRACTTEXTURE]->IsDefined() )
{
LoadTexture( REFRACTTEXTURE, TEXTUREFLAGS_SRGB );
}
if( params[REFLECTTEXTURE]->IsDefined() )
{
LoadTexture( REFLECTTEXTURE, TEXTUREFLAGS_SRGB );
}
if ( params[ENVMAP]->IsDefined() )
{
LoadCubeMap( ENVMAP, TEXTUREFLAGS_SRGB );
}
if ( params[NORMALMAP]->IsDefined() )
{
LoadBumpMap( NORMALMAP );
}
if( params[BASETEXTURE]->IsDefined() )
{
LoadTexture( BASETEXTURE, TEXTUREFLAGS_SRGB );
}
}
inline void GetVecParam( int constantVar, float *val )
{
if( constantVar == -1 )
return;
IMaterialVar* pVar = s_ppParams[constantVar];
Assert( pVar );
if (pVar->GetType() == MATERIAL_VAR_TYPE_VECTOR)
pVar->GetVecValue( val, 4 );
else
val[0] = val[1] = val[2] = val[3] = pVar->GetFloatValue();
}
inline void DrawReflectionRefraction( IMaterialVar **params, IShaderShadow* pShaderShadow,
IShaderDynamicAPI* pShaderAPI, bool bReflection, bool bRefraction )
{
SHADOW_STATE
{
SetInitialShadowState( );
if( bRefraction )
{
// refract sampler
pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
pShaderShadow->EnableSRGBRead( SHADER_SAMPLER0, true );
}
if( bReflection )
{
// reflect sampler
pShaderShadow->EnableTexture( SHADER_SAMPLER2, true );
pShaderShadow->EnableTexture( SHADER_SAMPLER3, true );
pShaderShadow->EnableSRGBRead( SHADER_SAMPLER2, true );
if( params[BASETEXTURE]->IsTexture() )
{
// BASETEXTURE
pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
pShaderShadow->EnableSRGBRead( SHADER_SAMPLER1, true );
// LIGHTMAP
pShaderShadow->EnableTexture( SHADER_SAMPLER3, true );
pShaderShadow->EnableSRGBRead( SHADER_SAMPLER3, true );
}
}
// normal map
pShaderShadow->EnableTexture( SHADER_SAMPLER4, true );
// Normalizing cube map
pShaderShadow->EnableTexture( SHADER_SAMPLER5, true );
int fmt = VERTEX_POSITION | VERTEX_NORMAL | VERTEX_TANGENT_S | VERTEX_TANGENT_T;
// texcoord0 : base texcoord
// texcoord1 : lightmap texcoord
// texcoord2 : lightmap texcoord offset
int numTexCoords = 1;
if( params[BASETEXTURE]->IsTexture() )
{
numTexCoords = 3;
}
pShaderShadow->VertexShaderVertexFormat( fmt, numTexCoords, 0, 0 );
Vector4D Scroll1;
params[SCROLL1]->GetVecValue( Scroll1.Base(), 4 );
DECLARE_STATIC_VERTEX_SHADER( water_vs20 );
SET_STATIC_VERTEX_SHADER_COMBO( MULTITEXTURE,fabs(Scroll1.x) > 0.0);
SET_STATIC_VERTEX_SHADER_COMBO( BASETEXTURE, params[BASETEXTURE]->IsTexture() );
SET_STATIC_VERTEX_SHADER( water_vs20 );
// "REFLECT" "0..1"
// "REFRACT" "0..1"
if ( g_pHardwareConfig->SupportsPixelShaders_2_b() )
{
DECLARE_STATIC_PIXEL_SHADER( water_ps20b );
SET_STATIC_PIXEL_SHADER_COMBO( REFLECT, bReflection );
SET_STATIC_PIXEL_SHADER_COMBO( REFRACT, bRefraction );
SET_STATIC_PIXEL_SHADER_COMBO( ABOVEWATER, params[ABOVEWATER]->GetIntValue() );
SET_STATIC_PIXEL_SHADER_COMBO( MULTITEXTURE,fabs(Scroll1.x) > 0.0);
SET_STATIC_PIXEL_SHADER_COMBO( BASETEXTURE, params[BASETEXTURE]->IsTexture() );
SET_STATIC_PIXEL_SHADER_COMBO( BLURRY_REFRACT, params[BLURREFRACT]->GetIntValue() );
SET_STATIC_PIXEL_SHADER_COMBO( NORMAL_DECODE_MODE, (int) NORMAL_DECODE_NONE );
SET_STATIC_PIXEL_SHADER( water_ps20b );
}
else
{
DECLARE_STATIC_PIXEL_SHADER( water_ps20 );
SET_STATIC_PIXEL_SHADER_COMBO( REFLECT, bReflection );
SET_STATIC_PIXEL_SHADER_COMBO( REFRACT, bRefraction );
SET_STATIC_PIXEL_SHADER_COMBO( ABOVEWATER, params[ABOVEWATER]->GetIntValue() );
SET_STATIC_PIXEL_SHADER_COMBO( MULTITEXTURE,fabs(Scroll1.x) > 0.0);
SET_STATIC_PIXEL_SHADER_COMBO( BASETEXTURE, params[BASETEXTURE]->IsTexture() );
SET_STATIC_PIXEL_SHADER_COMBO( NORMAL_DECODE_MODE, (int) NORMAL_DECODE_NONE );
SET_STATIC_PIXEL_SHADER( water_ps20 );
}
FogToFogColor();
// we are writing linear values from this shader.
pShaderShadow->EnableSRGBWrite( true );
pShaderShadow->EnableAlphaWrites( true );
}
DYNAMIC_STATE
{
pShaderAPI->SetDefaultState();
if( bRefraction )
{
// HDRFIXME: add comment about binding.. Specify the number of MRTs in the enable
BindTexture( SHADER_SAMPLER0, REFRACTTEXTURE, -1 );
}
if( bReflection )
{
BindTexture( SHADER_SAMPLER2, REFLECTTEXTURE, -1 );
}
BindTexture( SHADER_SAMPLER4, NORMALMAP, BUMPFRAME );
if( params[BASETEXTURE]->IsTexture() )
{
BindTexture( SHADER_SAMPLER1, BASETEXTURE, FRAME );
pShaderAPI->BindStandardTexture( SHADER_SAMPLER3, TEXTURE_LIGHTMAP );
}
pShaderAPI->BindStandardTexture( SHADER_SAMPLER5, TEXTURE_NORMALIZATION_CUBEMAP_SIGNED );
// Refraction tint
if( bRefraction )
{
SetPixelShaderConstantGammaToLinear( 1, REFRACTTINT );
}
// Reflection tint
if( bReflection )
{
if( g_pHardwareConfig->GetHDRType() == HDR_TYPE_INTEGER )
{
// Need to multiply by 4 in linear space since we premultiplied into
// the render target by .25 to get overbright data in the reflection render target.
float gammaReflectTint[3];
params[REFLECTTINT]->GetVecValue( gammaReflectTint, 3 );
float linearReflectTint[4];
linearReflectTint[0] = GammaToLinear( gammaReflectTint[0] ) * 4.0f;
linearReflectTint[1] = GammaToLinear( gammaReflectTint[1] ) * 4.0f;
linearReflectTint[2] = GammaToLinear( gammaReflectTint[2] ) * 4.0f;
linearReflectTint[3] = 1.0f;
pShaderAPI->SetPixelShaderConstant( 4, linearReflectTint, 1 );
}
else
{
SetPixelShaderConstantGammaToLinear( 4, REFLECTTINT );
}
}
SetVertexShaderTextureTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_1, BUMPTRANSFORM );
float curtime=pShaderAPI->CurrentTime();
float vc0[4];
float v0[4];
params[SCROLL1]->GetVecValue(v0,4);
vc0[0]=curtime*v0[0];
vc0[1]=curtime*v0[1];
params[SCROLL2]->GetVecValue(v0,4);
vc0[2]=curtime*v0[0];
vc0[3]=curtime*v0[1];
pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_3, vc0, 1 );
float c0[4] = { 1.0f / 3.0f, 1.0f / 3.0f, 1.0f / 3.0f, 0.0f };
pShaderAPI->SetPixelShaderConstant( 0, c0, 1 );
float c2[4] = { 0.5f, 0.5f, 0.5f, 0.5f };
pShaderAPI->SetPixelShaderConstant( 2, c2, 1 );
// fresnel constants
float c3[4] = { 1.0f, 0.0f, 0.0f, 0.0f };
pShaderAPI->SetPixelShaderConstant( 3, c3, 1 );
float c5[4] = { params[REFLECTAMOUNT]->GetFloatValue(), params[REFLECTAMOUNT]->GetFloatValue(),
params[REFRACTAMOUNT]->GetFloatValue(), params[REFRACTAMOUNT]->GetFloatValue() };
pShaderAPI->SetPixelShaderConstant( 5, c5, 1 );
SetPixelShaderConstantGammaToLinear( 6, FOGCOLOR );
float c7[4] =
{
params[FOGSTART]->GetFloatValue(),
params[FOGEND]->GetFloatValue() - params[FOGSTART]->GetFloatValue(),
1.0f,
0.0f
};
if (g_pHardwareConfig->GetHDRType() == HDR_TYPE_INTEGER )
{
// water overbright factor
c7[2] = 4.0;
}
pShaderAPI->SetPixelShaderConstant( 7, c7, 1 );
pShaderAPI->SetPixelShaderFogParams( 8 );
DECLARE_DYNAMIC_VERTEX_SHADER( water_vs20 );
SET_DYNAMIC_VERTEX_SHADER( water_vs20 );
if ( g_pHardwareConfig->SupportsPixelShaders_2_b() )
{
DECLARE_DYNAMIC_PIXEL_SHADER( water_ps20b );
SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() );
SET_DYNAMIC_PIXEL_SHADER_COMBO( WRITE_DEPTH_TO_DESTALPHA, pShaderAPI->ShouldWriteDepthToDestAlpha() );
SET_DYNAMIC_PIXEL_SHADER( water_ps20b );
}
else
{
DECLARE_DYNAMIC_PIXEL_SHADER( water_ps20 );
SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() );
SET_DYNAMIC_PIXEL_SHADER( water_ps20 );
}
}
Draw();
}
inline void DrawCheapWater( IMaterialVar **params, IShaderShadow* pShaderShadow,
IShaderDynamicAPI* pShaderAPI, bool bBlend, bool bRefraction )
{
SHADOW_STATE
{
SetInitialShadowState( );
// In edit mode, use nocull
if ( UsingEditor( params ) )
{
s_pShaderShadow->EnableCulling( false );
}
if( bBlend )
{
EnableAlphaBlending( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
}
// envmap
pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
// normal map
pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
if( bRefraction && bBlend )
{
// refraction map (used for alpha)
pShaderShadow->EnableTexture( SHADER_SAMPLER2, true );
}
// Normalizing cube map
pShaderShadow->EnableTexture( SHADER_SAMPLER6, true );
int fmt = VERTEX_POSITION | VERTEX_NORMAL | VERTEX_TANGENT_S | VERTEX_TANGENT_T;
pShaderShadow->VertexShaderVertexFormat( fmt, 1, 0, 0 );
DECLARE_STATIC_VERTEX_SHADER( watercheap_vs20 );
SET_STATIC_VERTEX_SHADER_COMBO( BLEND, bBlend && bRefraction );
SET_STATIC_VERTEX_SHADER( watercheap_vs20 );
if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
{
DECLARE_STATIC_PIXEL_SHADER( watercheap_ps20b );
SET_STATIC_PIXEL_SHADER_COMBO( FRESNEL, params[NOFRESNEL]->GetIntValue() == 0 );
SET_STATIC_PIXEL_SHADER_COMBO( BLEND, bBlend );
SET_STATIC_PIXEL_SHADER_COMBO( REFRACTALPHA, bRefraction );
SET_STATIC_PIXEL_SHADER_COMBO( HDRTYPE, g_pHardwareConfig->GetHDRType() );
Vector4D Scroll1;
params[SCROLL1]->GetVecValue( Scroll1.Base(), 4 );
SET_STATIC_PIXEL_SHADER_COMBO( MULTITEXTURE,fabs(Scroll1.x) > 0.0);
SET_STATIC_PIXEL_SHADER_COMBO( NORMAL_DECODE_MODE, (int) NORMAL_DECODE_NONE );
SET_STATIC_PIXEL_SHADER( watercheap_ps20b );
}
else
{
DECLARE_STATIC_PIXEL_SHADER( watercheap_ps20 );
SET_STATIC_PIXEL_SHADER_COMBO( FRESNEL, params[NOFRESNEL]->GetIntValue() == 0 );
SET_STATIC_PIXEL_SHADER_COMBO( BLEND, bBlend );
SET_STATIC_PIXEL_SHADER_COMBO( REFRACTALPHA, bRefraction );
SET_STATIC_PIXEL_SHADER_COMBO( HDRTYPE, g_pHardwareConfig->GetHDRType() );
Vector4D Scroll1;
params[SCROLL1]->GetVecValue( Scroll1.Base(), 4 );
SET_STATIC_PIXEL_SHADER_COMBO( MULTITEXTURE,fabs(Scroll1.x) > 0.0);
SET_STATIC_PIXEL_SHADER_COMBO( NORMAL_DECODE_MODE, (int) NORMAL_DECODE_NONE );
SET_STATIC_PIXEL_SHADER( watercheap_ps20 );
}
// HDRFIXME: test cheap water!
if( g_pHardwareConfig->GetHDRType() != HDR_TYPE_NONE )
{
// we are writing linear values from this shader.
pShaderShadow->EnableSRGBWrite( true );
}
FogToFogColor();
}
DYNAMIC_STATE
{
pShaderAPI->SetDefaultState();
BindTexture( SHADER_SAMPLER0, ENVMAP, ENVMAPFRAME );
BindTexture( SHADER_SAMPLER1, NORMALMAP, BUMPFRAME );
if( bRefraction && bBlend )
{
BindTexture( SHADER_SAMPLER2, REFRACTTEXTURE, -1 );
}
pShaderAPI->BindStandardTexture( SHADER_SAMPLER6, TEXTURE_NORMALIZATION_CUBEMAP_SIGNED );
SetPixelShaderConstant( 0, FOGCOLOR );
float cheapWaterStartDistance = params[CHEAPWATERSTARTDISTANCE]->GetFloatValue();
float cheapWaterEndDistance = params[CHEAPWATERENDDISTANCE]->GetFloatValue();
float cheapWaterParams[4] =
{
(float)(cheapWaterStartDistance * VSHADER_VECT_SCALE),
(float)(cheapWaterEndDistance * VSHADER_VECT_SCALE),
(float)(PSHADER_VECT_SCALE / ( cheapWaterEndDistance - cheapWaterStartDistance )),
cheapWaterStartDistance / ( cheapWaterEndDistance - cheapWaterStartDistance ),
};
pShaderAPI->SetPixelShaderConstant( 1, cheapWaterParams );
if( g_pConfig->bShowSpecular )
{
SetPixelShaderConstant( 2, REFLECTTINT, REFLECTBLENDFACTOR );
}
else
{
float zero[4] = { 0.0f, 0.0f, 0.0f, params[REFLECTBLENDFACTOR]->GetFloatValue() };
pShaderAPI->SetPixelShaderConstant( 2, zero );
}
pShaderAPI->SetPixelShaderFogParams( 3 );
if( params[SCROLL1]->IsDefined())
{
float curtime=pShaderAPI->CurrentTime();
float vc0[4];
float v0[4];
params[SCROLL1]->GetVecValue(v0,4);
vc0[0]=curtime*v0[0];
vc0[1]=curtime*v0[1];
params[SCROLL2]->GetVecValue(v0,4);
vc0[2]=curtime*v0[0];
vc0[3]=curtime*v0[1];
pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_3, vc0, 1 );
}
DECLARE_DYNAMIC_VERTEX_SHADER( watercheap_vs20 );
SET_DYNAMIC_VERTEX_SHADER( watercheap_vs20 );
if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
{
DECLARE_DYNAMIC_PIXEL_SHADER( watercheap_ps20b );
SET_DYNAMIC_PIXEL_SHADER_COMBO( HDRENABLED, IsHDREnabled() );
SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() );
SET_DYNAMIC_PIXEL_SHADER( watercheap_ps20b );
}
else
{
DECLARE_DYNAMIC_PIXEL_SHADER( watercheap_ps20 );
SET_DYNAMIC_PIXEL_SHADER_COMBO( HDRENABLED, IsHDREnabled() );
SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() );
SET_DYNAMIC_PIXEL_SHADER( watercheap_ps20 );
}
}
Draw();
}
SHADER_DRAW
{
// TODO: fit the cheap water stuff into the water shader so that we don't have to do
// 2 passes.
#ifdef _X360
bool bForceExpensive = false;
#else
bool bForceExpensive = r_waterforceexpensive.GetBool();
#endif
bool bForceCheap = (params[FORCECHEAP]->GetIntValue() != 0) || UsingEditor( params );
if ( bForceCheap )
{
bForceExpensive = false;
}
else
{
bForceExpensive = bForceExpensive || (params[FORCEEXPENSIVE]->GetIntValue() != 0);
}
Assert( !( bForceCheap && bForceExpensive ) );
bool bRefraction = params[REFRACTTEXTURE]->IsTexture();
#ifdef _X360
bool bReflection = params[REFLECTTEXTURE]->IsTexture();
#else
bool bReflection = bForceExpensive && params[REFLECTTEXTURE]->IsTexture();
#endif
bool bDrewSomething = false;
if ( !bForceCheap && ( bReflection || bRefraction ) )
{
bDrewSomething = true;
DrawReflectionRefraction( params, pShaderShadow, pShaderAPI, bReflection, bRefraction );
}
// Use $decal to see if we are a decal or not. . if we are, then don't bother
// drawing the cheap version for now since we don't have access to env_cubemap
#ifdef _X360
if( params[ENVMAP]->IsTexture() && !IS_FLAG_SET( MATERIAL_VAR_DECAL ) && !bForceExpensive )
#else
if( !bReflection && params[ENVMAP]->IsTexture() && !IS_FLAG_SET( MATERIAL_VAR_DECAL ) )
#endif
{
bDrewSomething = true;
DrawCheapWater( params, pShaderShadow, pShaderAPI, !bForceCheap, bRefraction );
}
if( !bDrewSomething )
{
// We are likely here because of the tools. . . draw something so that
// we won't go into wireframe-land.
Draw();
}
}
END_SHADER
//-----------------------------------------------------------------------------
// This allows us to use a block labelled 'Water_DX9_HDR' in the water materials
//-----------------------------------------------------------------------------
BEGIN_INHERITED_SHADER( Water_DX9_HDR, Water_DX90,
"Help for Water_DX9_HDR" )
SHADER_FALLBACK
{
if( g_pHardwareConfig->GetHDRType() == HDR_TYPE_NONE )
{
return "WATER_DX90";
}
return 0;
}
END_INHERITED_SHADER