311 lines
9.5 KiB
C++
311 lines
9.5 KiB
C++
//========= 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( UnlitGeneric, UnlitGeneric_DX6 )
|
|
DEFINE_FALLBACK_SHADER( MonitorScreen, UnlitGeneric_DX6 )
|
|
DEFINE_FALLBACK_SHADER( ParticleSphere, UnlitGeneric_DX6 )
|
|
DEFINE_FALLBACK_SHADER( Predator, Predator_DX60 )
|
|
DEFINE_FALLBACK_SHADER( Predator_DX60, UnlitGeneric_DX6 )
|
|
DEFINE_FALLBACK_SHADER( WindowImposter, WindowImposter_DX60 )
|
|
DEFINE_FALLBACK_SHADER( WindowImposter_DX60, UnlitGeneric_DX6 )
|
|
|
|
BEGIN_SHADER( UnlitGeneric_DX6,
|
|
"Help for UnlitGeneric_DX6" )
|
|
|
|
BEGIN_SHADER_PARAMS
|
|
SHADER_PARAM( DETAIL, SHADER_PARAM_TYPE_TEXTURE, "shadertest/detail", "detail texture" )
|
|
SHADER_PARAM( DETAILSCALE, SHADER_PARAM_TYPE_FLOAT, "4", "scale of the detail texture" )
|
|
SHADER_PARAM( ENVMAP, SHADER_PARAM_TYPE_TEXTURE, "shadertest/shadertest_env", "envmap" )
|
|
SHADER_PARAM( ENVMAPFRAME, SHADER_PARAM_TYPE_INTEGER, "0", "" )
|
|
SHADER_PARAM( ENVMAPMASK, SHADER_PARAM_TYPE_TEXTURE, "shadertest/shadertest_envmask", "envmap mask" )
|
|
SHADER_PARAM( ENVMAPMASKFRAME, SHADER_PARAM_TYPE_INTEGER, "0", "" )
|
|
SHADER_PARAM( ENVMAPMASKSCALE, SHADER_PARAM_TYPE_FLOAT, "1", "envmap mask scale" )
|
|
SHADER_PARAM( ENVMAPTINT, SHADER_PARAM_TYPE_COLOR, "[1 1 1]", "envmap tint" )
|
|
SHADER_PARAM( ENVMAPOPTIONAL, SHADER_PARAM_TYPE_BOOL, "0", "Make the envmap only apply to dx9 and higher hardware" )
|
|
SHADER_PARAM( ALPHATESTREFERENCE, SHADER_PARAM_TYPE_FLOAT, "0.7", "" )
|
|
END_SHADER_PARAMS
|
|
|
|
SHADER_INIT_PARAMS()
|
|
{
|
|
if( !params[ENVMAPTINT]->IsDefined() )
|
|
params[ENVMAPTINT]->SetVecValue( 1.0f, 1.0f, 1.0f );
|
|
if( !params[ENVMAPMASKSCALE]->IsDefined() )
|
|
params[ENVMAPMASKSCALE]->SetFloatValue( 1.0f );
|
|
if( !params[DETAILSCALE]->IsDefined() )
|
|
params[DETAILSCALE]->SetFloatValue( 4.0f );
|
|
|
|
// No texture means no env mask in base alpha
|
|
if ( !params[BASETEXTURE]->IsDefined() )
|
|
{
|
|
CLEAR_FLAGS( MATERIAL_VAR_BASEALPHAENVMAPMASK );
|
|
}
|
|
|
|
// If in decal mode, no debug override...
|
|
if (IS_FLAG_SET(MATERIAL_VAR_DECAL))
|
|
{
|
|
SET_FLAGS( MATERIAL_VAR_NO_DEBUG_OVERRIDE );
|
|
}
|
|
|
|
// Get rid of the envmap if it's optional for this dx level.
|
|
if( params[ENVMAPOPTIONAL]->IsDefined() && params[ENVMAPOPTIONAL]->GetIntValue() )
|
|
{
|
|
params[ENVMAP]->SetUndefined();
|
|
}
|
|
|
|
// If mat_specular 0, then get rid of envmap
|
|
if( !g_pConfig->UseSpecular() && params[ENVMAP]->IsDefined() && params[BASETEXTURE]->IsDefined() )
|
|
{
|
|
params[ENVMAP]->SetUndefined();
|
|
}
|
|
}
|
|
|
|
SHADER_INIT
|
|
{
|
|
if (params[BASETEXTURE]->IsDefined())
|
|
{
|
|
LoadTexture( BASETEXTURE );
|
|
|
|
if (!params[BASETEXTURE]->GetTextureValue()->IsTranslucent())
|
|
{
|
|
if (IS_FLAG_SET(MATERIAL_VAR_BASEALPHAENVMAPMASK))
|
|
CLEAR_FLAGS( MATERIAL_VAR_BASEALPHAENVMAPMASK );
|
|
}
|
|
}
|
|
|
|
// the second texture (if there is one)
|
|
if (params[DETAIL]->IsDefined())
|
|
{
|
|
LoadTexture( DETAIL );
|
|
}
|
|
|
|
// Don't alpha test if the alpha channel is used for other purposes
|
|
if (IS_FLAG_SET(MATERIAL_VAR_SELFILLUM) || IS_FLAG_SET(MATERIAL_VAR_BASEALPHAENVMAPMASK) )
|
|
CLEAR_FLAGS( MATERIAL_VAR_ALPHATEST );
|
|
|
|
if (params[ENVMAP]->IsDefined())
|
|
{
|
|
if( !IS_FLAG_SET(MATERIAL_VAR_ENVMAPSPHERE) )
|
|
LoadCubeMap( ENVMAP );
|
|
else
|
|
LoadTexture( ENVMAP );
|
|
|
|
if( !g_pHardwareConfig->SupportsCubeMaps() )
|
|
SET_FLAGS(MATERIAL_VAR_ENVMAPSPHERE);
|
|
|
|
if (params[ENVMAPMASK]->IsDefined())
|
|
{
|
|
LoadTexture( ENVMAPMASK );
|
|
}
|
|
}
|
|
}
|
|
|
|
int GetDrawFlagsPass1(IMaterialVar** params, bool doDetail)
|
|
{
|
|
int flags = SHADER_DRAW_POSITION;
|
|
if (IS_FLAG_SET(MATERIAL_VAR_VERTEXCOLOR))
|
|
flags |= SHADER_DRAW_COLOR;
|
|
if (params[BASETEXTURE]->IsTexture())
|
|
flags |= SHADER_DRAW_TEXCOORD0;
|
|
if (doDetail)
|
|
flags |= SHADER_DRAW_TEXCOORD1;
|
|
return flags;
|
|
}
|
|
|
|
void SetDetailShadowState(IShaderShadow* pShaderShadow)
|
|
{
|
|
// Specifically choose overbright2, will cause mod2x here
|
|
pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
|
|
pShaderShadow->OverbrightValue( SHADER_TEXTURE_STAGE1, 2.0f );
|
|
}
|
|
|
|
void SetDetailDymamicState(IShaderShadow* pShaderShadow)
|
|
{
|
|
BindTexture( SHADER_SAMPLER1, DETAIL, FRAME );
|
|
SetFixedFunctionTextureScaledTransform( MATERIAL_TEXTURE1, BASETEXTURETRANSFORM, DETAILSCALE );
|
|
}
|
|
|
|
void DrawAdditiveNonTextured( IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow, bool doDetail )
|
|
{
|
|
SHADOW_STATE
|
|
{
|
|
SetModulationShadowState();
|
|
SetAdditiveBlendingShadowState( );
|
|
if (doDetail)
|
|
SetDetailShadowState(pShaderShadow);
|
|
pShaderShadow->DrawFlags( GetDrawFlagsPass1(params, doDetail) );
|
|
FogToBlack();
|
|
}
|
|
DYNAMIC_STATE
|
|
{
|
|
SetModulationDynamicState();
|
|
if (doDetail)
|
|
SetDetailDymamicState(pShaderShadow);
|
|
}
|
|
Draw( );
|
|
}
|
|
|
|
void DrawAdditiveTextured( IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow, bool doDetail )
|
|
{
|
|
SHADOW_STATE
|
|
{
|
|
pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
|
|
SetModulationShadowState();
|
|
SetAdditiveBlendingShadowState( BASETEXTURE, true );
|
|
if (doDetail)
|
|
SetDetailShadowState(pShaderShadow);
|
|
pShaderShadow->DrawFlags( GetDrawFlagsPass1(params, doDetail) );
|
|
FogToBlack();
|
|
}
|
|
DYNAMIC_STATE
|
|
{
|
|
BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
|
|
SetFixedFunctionTextureTransform( MATERIAL_TEXTURE0, BASETEXTURETRANSFORM );
|
|
if (doDetail)
|
|
SetDetailDymamicState(pShaderShadow);
|
|
SetModulationDynamicState();
|
|
}
|
|
Draw( );
|
|
}
|
|
|
|
void DrawNonTextured( IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow, bool doDetail )
|
|
{
|
|
SHADOW_STATE
|
|
{
|
|
SetModulationShadowState();
|
|
SetNormalBlendingShadowState( );
|
|
if (doDetail)
|
|
SetDetailShadowState(pShaderShadow);
|
|
pShaderShadow->DrawFlags( GetDrawFlagsPass1(params, doDetail) );
|
|
FogToFogColor();
|
|
}
|
|
DYNAMIC_STATE
|
|
{
|
|
SetModulationDynamicState();
|
|
if (doDetail)
|
|
SetDetailDymamicState(pShaderShadow);
|
|
}
|
|
Draw( );
|
|
}
|
|
|
|
void DrawTextured( IMaterialVar** params, IShaderDynamicAPI *pShaderAPI, IShaderShadow* pShaderShadow, bool doDetail )
|
|
{
|
|
SHADOW_STATE
|
|
{
|
|
pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
|
|
SetModulationShadowState();
|
|
SetNormalBlendingShadowState( BASETEXTURE, true );
|
|
if (doDetail)
|
|
SetDetailShadowState(pShaderShadow);
|
|
pShaderShadow->DrawFlags( GetDrawFlagsPass1(params, doDetail) );
|
|
FogToFogColor();
|
|
}
|
|
DYNAMIC_STATE
|
|
{
|
|
BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
|
|
SetFixedFunctionTextureTransform( MATERIAL_TEXTURE0, BASETEXTURETRANSFORM );
|
|
if (doDetail)
|
|
SetDetailDymamicState(pShaderShadow);
|
|
SetModulationDynamicState();
|
|
}
|
|
Draw( );
|
|
}
|
|
|
|
SHADER_DRAW
|
|
{
|
|
bool isTextureDefined = params[BASETEXTURE]->IsTexture();
|
|
bool hasVertexColor = IS_FLAG_SET(MATERIAL_VAR_VERTEXCOLOR);
|
|
bool doFirstPass = isTextureDefined || hasVertexColor || (!params[ENVMAP]->IsTexture());
|
|
|
|
if (doFirstPass)
|
|
{
|
|
SHADOW_STATE
|
|
{
|
|
pShaderShadow->EnableAlphaTest( IS_FLAG_SET(MATERIAL_VAR_ALPHATEST) );
|
|
if( params[ALPHATESTREFERENCE]->IsDefined() && params[ALPHATESTREFERENCE]->GetFloatValue() > 0.0f )
|
|
{
|
|
pShaderShadow->AlphaFunc( SHADER_ALPHAFUNC_GEQUAL, params[ALPHATESTREFERENCE]->GetFloatValue() );
|
|
}
|
|
}
|
|
|
|
if (IS_FLAG_SET(MATERIAL_VAR_ADDITIVE))
|
|
{
|
|
if (!isTextureDefined)
|
|
{
|
|
bool hasDetailTexture = params[DETAIL]->IsTexture();
|
|
DrawAdditiveNonTextured( params, pShaderAPI, pShaderShadow, hasDetailTexture );
|
|
}
|
|
else
|
|
{
|
|
// We can't do detail in a single pass if we're also
|
|
// colormodulating and have vertex color
|
|
bool hasDetailTexture = params[DETAIL]->IsTexture();
|
|
bool isModulating = IsColorModulating() || IsAlphaModulating();
|
|
bool onePassDetail = hasDetailTexture && (!hasVertexColor || !isModulating);
|
|
DrawAdditiveTextured( params, pShaderAPI, pShaderShadow, onePassDetail );
|
|
if (hasDetailTexture && !onePassDetail)
|
|
{
|
|
FixedFunctionMultiplyByDetailPass(
|
|
BASETEXTURE, FRAME, BASETEXTURETRANSFORM, DETAIL, DETAILSCALE );
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!isTextureDefined)
|
|
{
|
|
bool hasDetailTexture = params[DETAIL]->IsTexture();
|
|
DrawNonTextured( params, pShaderAPI, pShaderShadow, hasDetailTexture );
|
|
}
|
|
else
|
|
{
|
|
// We can't do detail in a single pass if we're also
|
|
// colormodulating and have vertex color
|
|
bool hasDetailTexture = params[DETAIL]->IsTexture();
|
|
bool isModulating = IsColorModulating() || IsAlphaModulating();
|
|
bool onePassDetail = hasDetailTexture && (!hasVertexColor || !isModulating);
|
|
DrawTextured( params, pShaderAPI, pShaderShadow, onePassDetail );
|
|
if (hasDetailTexture && !onePassDetail)
|
|
{
|
|
FixedFunctionMultiplyByDetailPass(
|
|
BASETEXTURE, FRAME, BASETEXTURETRANSFORM, DETAIL, DETAILSCALE );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
SHADOW_STATE
|
|
{
|
|
// Disable mod2x used by detail
|
|
pShaderShadow->OverbrightValue( SHADER_TEXTURE_STAGE1, 1.0f );
|
|
}
|
|
|
|
// Second pass...
|
|
if (params[ENVMAP]->IsTexture() &&
|
|
(!doFirstPass || IS_FLAG_SET(MATERIAL_VAR_MULTIPASS)) )
|
|
{
|
|
if (doFirstPass || IS_FLAG_SET(MATERIAL_VAR_ADDITIVE))
|
|
{
|
|
FixedFunctionAdditiveMaskedEnvmapPass( ENVMAP, ENVMAPMASK, BASETEXTURE,
|
|
ENVMAPFRAME, ENVMAPMASKFRAME, FRAME,
|
|
BASETEXTURETRANSFORM, ENVMAPMASKSCALE, ENVMAPTINT );
|
|
}
|
|
else
|
|
{
|
|
FixedFunctionMaskedEnvmapPass( ENVMAP, ENVMAPMASK, BASETEXTURE,
|
|
ENVMAPFRAME, ENVMAPMASKFRAME, FRAME,
|
|
BASETEXTURETRANSFORM, ENVMAPMASKSCALE, ENVMAPTINT );
|
|
}
|
|
}
|
|
}
|
|
END_SHADER
|