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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================//
#include "BaseVSShader.h"
#include "unlittwotexture.inc"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
DEFINE_FALLBACK_SHADER( MonitorScreen, MonitorScreen_DX8 )
BEGIN_VS_SHADER( MonitorScreen_DX8,
"This is a shader that does a contrast/saturation version of base times lightmap." )
BEGIN_SHADER_PARAMS
SHADER_PARAM( CONTRAST, SHADER_PARAM_TYPE_FLOAT, "0.0", "contrast 0 == normal 1 == color*color" )
SHADER_PARAM( SATURATION, SHADER_PARAM_TYPE_FLOAT, "1.0", "saturation 0 == greyscale 1 == normal" )
SHADER_PARAM( TINT, SHADER_PARAM_TYPE_COLOR, "[1 1 1]", "monitor tint" )
SHADER_PARAM( TEXTURE2, SHADER_PARAM_TYPE_TEXTURE, "shadertest/lightmappedtexture", "second texture" )
SHADER_PARAM( FRAME2, SHADER_PARAM_TYPE_INTEGER, "0", "frame number for $texture2" )
SHADER_PARAM( TEXTURE2TRANSFORM, SHADER_PARAM_TYPE_MATRIX, "center .5 .5 scale 1 1 rotate 0 translate 0 0", "$texture2 texcoord transform" )
END_SHADER_PARAMS
// Set up anything that is necessary to make decisions in SHADER_FALLBACK.
SHADER_INIT_PARAMS()
{
SET_FLAGS2( MATERIAL_VAR2_SUPPORTS_HW_SKINNING );
if( !params[CONTRAST]->IsDefined() )
{
params[CONTRAST]->SetFloatValue( 0.0f );
}
if( !params[SATURATION]->IsDefined() )
{
params[SATURATION]->SetFloatValue( 1.0f );
}
if( !params[TINT]->IsDefined() )
{
params[TINT]->SetVecValue( 1.0f, 1.0f, 1.0f );
}
if (!IS_FLAG_DEFINED( MATERIAL_VAR_MODEL ))
{
CLEAR_FLAGS( MATERIAL_VAR_MODEL );
}
}
SHADER_FALLBACK
{
if( IsPC() && g_pHardwareConfig->GetDXSupportLevel() < 80 || (params && !params[BASETEXTURE]->IsDefined()) )
{
if( IS_FLAG_DEFINED( MATERIAL_VAR_MODEL ) )
{
return "VertexLitGeneric_DX6";
}
else
{
return "LightmappedGeneric_DX6";
}
}
return 0;
}
SHADER_INIT
{
if (params[BASETEXTURE]->IsDefined())
{
LoadTexture( BASETEXTURE );
}
if (params[TEXTURE2]->IsDefined())
{
LoadTexture( TEXTURE2 );
}
}
SHADER_DRAW
{
bool bHasTexture2 = params[TEXTURE2]->IsTexture();
SHADOW_STATE
{
pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
pShaderShadow->EnableSRGBRead( SHADER_SAMPLER0, true );
if ( bHasTexture2 )
{
pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
pShaderShadow->EnableSRGBRead( SHADER_SAMPLER1, true );
}
pShaderShadow->EnableSRGBWrite( true );
// Either we've got a constant modulation
bool isTranslucent = IsAlphaModulating();
// Or we've got a texture alpha on either texture
isTranslucent = isTranslucent || TextureIsTranslucent( BASETEXTURE, true ) ||
TextureIsTranslucent( TEXTURE2, true );
if ( isTranslucent )
{
if ( IS_FLAG_SET(MATERIAL_VAR_ADDITIVE) )
EnableAlphaBlending( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE );
else
EnableAlphaBlending( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
}
else
{
if ( IS_FLAG_SET(MATERIAL_VAR_ADDITIVE) )
EnableAlphaBlending( SHADER_BLEND_ONE, SHADER_BLEND_ONE );
else
DisableAlphaBlending( );
}
int fmt = VERTEX_POSITION | VERTEX_NORMAL;
if (IS_FLAG_SET( MATERIAL_VAR_VERTEXCOLOR ))
fmt |= VERTEX_COLOR;
pShaderShadow->VertexShaderVertexFormat( fmt, 1, 0, 0 );
unlittwotexture_Static_Index vshIndex;
pShaderShadow->SetVertexShader( "UnlitTwoTexture", vshIndex.GetIndex() );
int pshIndex = bHasTexture2 ? 1 : 0;
pShaderShadow->SetPixelShader( "MonitorScreen", pshIndex );
DefaultFog();
}
DYNAMIC_STATE
{
BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
if( bHasTexture2 )
{
BindTexture( SHADER_SAMPLER1, TEXTURE2, FRAME2 );
SetVertexShaderTextureTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_2, TEXTURE2TRANSFORM );
}
SetVertexShaderTextureTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, BASETEXTURETRANSFORM );
SetPixelShaderConstant( 1, CONTRAST );
SetPixelShaderConstant( 2, SATURATION );
SetPixelShaderConstant( 3, TINT );
SetModulationVertexShaderDynamicState();
unlittwotexture_Dynamic_Index vshIndex;
vshIndex.SetDOWATERFOG( pShaderAPI->GetSceneFogMode() == MATERIAL_FOG_LINEAR_BELOW_FOG_Z );
vshIndex.SetSKINNING( pShaderAPI->GetCurrentNumBones() > 0 );
pShaderAPI->SetVertexShaderIndex( vshIndex.GetIndex() );
}
Draw();
}
END_SHADER
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