Added bloom shader and screenspace effect helpers as examples for the SDK.

2013-07-30 15:10:15 -07:00
parent c3d72513f2
commit d9ac276a95
41 changed files with 1316 additions and 0 deletions
@@ -0,0 +1,90 @@
+//===== Copyright © 1996-2005, Valve Corporation, All rights reserved. ======//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//===========================================================================//
+
+#include "BaseVSShader.h"
+
+#include "SDK_screenspaceeffect_vs20.inc"
+#include "SDK_Bloom_ps20.inc"
+#include "SDK_Bloom_ps20b.inc"
+
+BEGIN_VS_SHADER_FLAGS( SDK_Bloom, "Help for Bloom", SHADER_NOT_EDITABLE )
+	BEGIN_SHADER_PARAMS
+		SHADER_PARAM( FBTEXTURE, SHADER_PARAM_TYPE_TEXTURE, "_rt_FullFrameFB", "" )
+		SHADER_PARAM( BLURTEXTURE, SHADER_PARAM_TYPE_TEXTURE, "_rt_SmallHDR0", "" )
+	END_SHADER_PARAMS
+
+	SHADER_INIT
+	{
+		if( params[FBTEXTURE]->IsDefined() )
+		{
+			LoadTexture( FBTEXTURE );
+		}
+		if( params[BLURTEXTURE]->IsDefined() )
+		{
+			LoadTexture( BLURTEXTURE );
+		}
+	}
+	
+	SHADER_FALLBACK
+	{
+		// Requires DX9 + above
+		if ( g_pHardwareConfig->GetDXSupportLevel() < 90 )
+		{
+			Assert( 0 );
+			return "Wireframe";
+		}
+		return 0;
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			pShaderShadow->EnableDepthWrites( false );
+
+			pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+			pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
+			int fmt = VERTEX_POSITION;
+			pShaderShadow->VertexShaderVertexFormat( fmt, 1, 0, 0 );
+
+			// Pre-cache shaders
+			DECLARE_STATIC_VERTEX_SHADER( sdk_screenspaceeffect_vs20 );
+			SET_STATIC_VERTEX_SHADER( sdk_screenspaceeffect_vs20 );
+
+			if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+			{
+				DECLARE_STATIC_PIXEL_SHADER( sdk_bloom_ps20b );
+				SET_STATIC_PIXEL_SHADER( sdk_bloom_ps20b );
+			}
+			else
+			{
+				DECLARE_STATIC_PIXEL_SHADER( sdk_bloom_ps20 );
+				SET_STATIC_PIXEL_SHADER( sdk_bloom_ps20 );
+			}
+		}
+
+		DYNAMIC_STATE
+		{
+			BindTexture( SHADER_SAMPLER0, FBTEXTURE, -1 );
+			BindTexture( SHADER_SAMPLER1, BLURTEXTURE, -1 );
+			DECLARE_DYNAMIC_VERTEX_SHADER( sdk_screenspaceeffect_vs20 );
+			SET_DYNAMIC_VERTEX_SHADER( sdk_screenspaceeffect_vs20 );
+
+			if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+			{
+				DECLARE_DYNAMIC_PIXEL_SHADER( sdk_bloom_ps20b );
+				SET_DYNAMIC_PIXEL_SHADER( sdk_bloom_ps20b );
+			}
+			else
+			{
+				DECLARE_DYNAMIC_PIXEL_SHADER( sdk_bloom_ps20 );
+				SET_DYNAMIC_PIXEL_SHADER( sdk_bloom_ps20 );
+			}
+		}
+		Draw();
+	}
+END_SHADER
@@ -0,0 +1,21 @@
+// STATIC: "CONVERT_TO_SRGB" "0..1"	[ps20b][= g_pHardwareConfig->NeedsShaderSRGBConversion()] [PC]
+// STATIC: "CONVERT_TO_SRGB" "0..0"	[= 0] [XBOX]
+
+#define HDRTYPE HDR_TYPE_NONE
+#include "common_ps_fxc.h"
+
+sampler FBSampler	: register( s0 );
+sampler BlurSampler	: register( s1 );
+
+struct PS_INPUT
+{
+	float2 texCoord				: TEXCOORD0;
+};
+
+float4 main( PS_INPUT i ) : COLOR
+{
+	float4 fbSample = tex2D( FBSampler, i.texCoord );
+	float4 blurSample = tex2D( BlurSampler, i.texCoord );
+
+	return FinalOutput( float4( fbSample + blurSample.rgb * blurSample.a * MAX_HDR_OVERBRIGHT, 1.0f ), 0, PIXEL_FOG_TYPE_NONE, TONEMAP_SCALE_NONE );
+}
@@ -0,0 +1,18 @@
+//======= Copyright © 1996-2006, Valve Corporation, All rights reserved. ======
+#define CONVERT_TO_SRGB 0
+
+#include "common_ps_fxc.h"
+
+sampler TexSampler	: register( s0 );
+
+struct PS_INPUT
+{
+	HALF2 baseTexCoord : TEXCOORD0; // Base texture coordinate
+};
+
+float4 main( PS_INPUT i ) : COLOR
+{
+	float4 result = tex2D( TexSampler, i.baseTexCoord );
+	result.a = 1.0f;
+	return result; //FinalOutput( result, 0, PIXEL_FOG_TYPE_NONE, TONEMAP_SCALE_NONE );
+}
@@ -0,0 +1,23 @@
+//======= Copyright © 1996-2006, Valve Corporation, All rights reserved. ======
+#define CONVERT_TO_SRGB 0
+
+#include "common_ps_fxc.h"
+
+sampler TexSampler	: register( s0 );
+
+struct PS_INPUT
+{
+	HALF2 baseTexCoord				: TEXCOORD0;		// Base texture coordinate
+	
+#if defined( _X360 ) //matching pixel shader inputs to vertex shader outputs to avoid shader patches	
+	float2 ZeroTexCoord				: TEXCOORD1;
+    float2 bloomTexCoord            : TEXCOORD2;
+#endif
+};
+
+float4 main( PS_INPUT i ) : COLOR
+{
+	float4 result = tex2D( TexSampler, i.baseTexCoord );
+	result.a = 1.0f;
+	return result; //FinalOutput( result, 0, PIXEL_FOG_TYPE_NONE, TONEMAP_SCALE_NONE );
+}
@@ -0,0 +1,47 @@
+//========= Copyright © 1996-2006, Valve Corporation, All rights reserved. ============//
+
+// STATIC: "X360APPCHOOSER" "0..1" [= 0]
+
+#include "common_vs_fxc.h"
+
+struct VS_INPUT
+{
+	float3 vPos						: POSITION;
+	float2 vBaseTexCoord			: TEXCOORD0;
+
+	#if X360APPCHOOSER
+		float4 vColor				: COLOR0;
+	#endif
+};
+
+struct VS_OUTPUT
+{
+    float4 projPos					: POSITION;	
+	float2 baseTexCoord				: TEXCOORD0;
+	float2 ZeroTexCoord				: TEXCOORD1;
+	float2 bloomTexCoord            : TEXCOORD2;
+
+	#if X360APPCHOOSER
+		float4 vColor				: TEXCOORD3;
+	#endif
+};
+
+float4 Texel_Sizes : register (SHADER_SPECIFIC_CONST_0);
+
+VS_OUTPUT main( const VS_INPUT v )
+{
+	VS_OUTPUT o = ( VS_OUTPUT )0;
+
+	o.projPos = float4( v.vPos, 1.0f );
+	o.baseTexCoord = v.vBaseTexCoord;
+	o.ZeroTexCoord=float2(0,0);
+	o.bloomTexCoord.x=v.vBaseTexCoord.x+Texel_Sizes.z;
+	o.bloomTexCoord.y=v.vBaseTexCoord.y+Texel_Sizes.w;
+
+	#if X360APPCHOOSER
+		o.vColor.rgba = v.vColor.rgba;
+		o.projPos.xyzw = mul( float4( v.vPos.xyz, 1.0f ), cModelViewProj );
+	#endif
+
+	return o;
+}
@@ -0,0 +1,33 @@
+#include "shaderlib/cshader.h"
+class sdk_bloom_ps20_Static_Index
+{
+public:
+	sdk_bloom_ps20_Static_Index( )
+	{
+	}
+	int GetIndex()
+	{
+		// Asserts to make sure that we aren't using any skipped combinations.
+		// Asserts to make sure that we are setting all of the combination vars.
+#ifdef _DEBUG
+#endif // _DEBUG
+		return 0;
+	}
+};
+#define shaderStaticTest_sdk_bloom_ps20 0
+class sdk_bloom_ps20_Dynamic_Index
+{
+public:
+	sdk_bloom_ps20_Dynamic_Index()
+	{
+	}
+	int GetIndex()
+	{
+		// Asserts to make sure that we aren't using any skipped combinations.
+		// Asserts to make sure that we are setting all of the combination vars.
+#ifdef _DEBUG
+#endif // _DEBUG
+		return 0;
+	}
+};
+#define shaderDynamicTest_sdk_bloom_ps20 0
@@ -0,0 +1,60 @@
+#include "shaderlib/cshader.h"
+class sdk_bloom_ps20b_Static_Index
+{
+private:
+	int m_nCONVERT_TO_SRGB;
+#ifdef _DEBUG
+	bool m_bCONVERT_TO_SRGB;
+#endif
+public:
+	void SetCONVERT_TO_SRGB( int i )
+	{
+		Assert( i >= 0 && i <= 1 );
+		m_nCONVERT_TO_SRGB = i;
+#ifdef _DEBUG
+		m_bCONVERT_TO_SRGB = true;
+#endif
+	}
+	void SetCONVERT_TO_SRGB( bool i )
+	{
+		m_nCONVERT_TO_SRGB = i ? 1 : 0;
+#ifdef _DEBUG
+		m_bCONVERT_TO_SRGB = true;
+#endif
+	}
+public:
+	sdk_bloom_ps20b_Static_Index( )
+	{
+#ifdef _DEBUG
+		m_bCONVERT_TO_SRGB = true;
+#endif // _DEBUG
+		m_nCONVERT_TO_SRGB =  g_pHardwareConfig->NeedsShaderSRGBConversion();
+	}
+	int GetIndex()
+	{
+		// Asserts to make sure that we aren't using any skipped combinations.
+		// Asserts to make sure that we are setting all of the combination vars.
+#ifdef _DEBUG
+		bool bAllStaticVarsDefined = m_bCONVERT_TO_SRGB;
+		Assert( bAllStaticVarsDefined );
+#endif // _DEBUG
+		return ( 1 * m_nCONVERT_TO_SRGB ) + 0;
+	}
+};
+#define shaderStaticTest_sdk_bloom_ps20b 0
+class sdk_bloom_ps20b_Dynamic_Index
+{
+public:
+	sdk_bloom_ps20b_Dynamic_Index()
+	{
+	}
+	int GetIndex()
+	{
+		// Asserts to make sure that we aren't using any skipped combinations.
+		// Asserts to make sure that we are setting all of the combination vars.
+#ifdef _DEBUG
+#endif // _DEBUG
+		return 0;
+	}
+};
+#define shaderDynamicTest_sdk_bloom_ps20b 0
@@ -0,0 +1,33 @@
+#include "shaderlib/cshader.h"
+class sdk_bloomadd_ps20_Static_Index
+{
+public:
+	sdk_bloomadd_ps20_Static_Index( )
+	{
+	}
+	int GetIndex()
+	{
+		// Asserts to make sure that we aren't using any skipped combinations.
+		// Asserts to make sure that we are setting all of the combination vars.
+#ifdef _DEBUG
+#endif // _DEBUG
+		return 0;
+	}
+};
+#define shaderStaticTest_sdk_bloomadd_ps20 0
+class sdk_bloomadd_ps20_Dynamic_Index
+{
+public:
+	sdk_bloomadd_ps20_Dynamic_Index()
+	{
+	}
+	int GetIndex()
+	{
+		// Asserts to make sure that we aren't using any skipped combinations.
+		// Asserts to make sure that we are setting all of the combination vars.
+#ifdef _DEBUG
+#endif // _DEBUG
+		return 0;
+	}
+};
+#define shaderDynamicTest_sdk_bloomadd_ps20 0
@@ -0,0 +1,33 @@
+#include "shaderlib/cshader.h"
+class sdk_bloomadd_ps20b_Static_Index
+{
+public:
+	sdk_bloomadd_ps20b_Static_Index( )
+	{
+	}
+	int GetIndex()
+	{
+		// Asserts to make sure that we aren't using any skipped combinations.
+		// Asserts to make sure that we are setting all of the combination vars.
+#ifdef _DEBUG
+#endif // _DEBUG
+		return 0;
+	}
+};
+#define shaderStaticTest_sdk_bloomadd_ps20b 0
+class sdk_bloomadd_ps20b_Dynamic_Index
+{
+public:
+	sdk_bloomadd_ps20b_Dynamic_Index()
+	{
+	}
+	int GetIndex()
+	{
+		// Asserts to make sure that we aren't using any skipped combinations.
+		// Asserts to make sure that we are setting all of the combination vars.
+#ifdef _DEBUG
+#endif // _DEBUG
+		return 0;
+	}
+};
+#define shaderDynamicTest_sdk_bloomadd_ps20b 0
@@ -0,0 +1,60 @@
+#include "shaderlib/cshader.h"
+class sdk_screenspaceeffect_vs20_Static_Index
+{
+private:
+	int m_nX360APPCHOOSER;
+#ifdef _DEBUG
+	bool m_bX360APPCHOOSER;
+#endif
+public:
+	void SetX360APPCHOOSER( int i )
+	{
+		Assert( i >= 0 && i <= 1 );
+		m_nX360APPCHOOSER = i;
+#ifdef _DEBUG
+		m_bX360APPCHOOSER = true;
+#endif
+	}
+	void SetX360APPCHOOSER( bool i )
+	{
+		m_nX360APPCHOOSER = i ? 1 : 0;
+#ifdef _DEBUG
+		m_bX360APPCHOOSER = true;
+#endif
+	}
+public:
+	sdk_screenspaceeffect_vs20_Static_Index( )
+	{
+#ifdef _DEBUG
+		m_bX360APPCHOOSER = true;
+#endif // _DEBUG
+		m_nX360APPCHOOSER =  0;
+	}
+	int GetIndex()
+	{
+		// Asserts to make sure that we aren't using any skipped combinations.
+		// Asserts to make sure that we are setting all of the combination vars.
+#ifdef _DEBUG
+		bool bAllStaticVarsDefined = m_bX360APPCHOOSER;
+		Assert( bAllStaticVarsDefined );
+#endif // _DEBUG
+		return ( 1 * m_nX360APPCHOOSER ) + 0;
+	}
+};
+#define shaderStaticTest_sdk_screenspaceeffect_vs20 0
+class sdk_screenspaceeffect_vs20_Dynamic_Index
+{
+public:
+	sdk_screenspaceeffect_vs20_Dynamic_Index()
+	{
+	}
+	int GetIndex()
+	{
+		// Asserts to make sure that we aren't using any skipped combinations.
+		// Asserts to make sure that we are setting all of the combination vars.
+#ifdef _DEBUG
+#endif // _DEBUG
+		return 0;
+	}
+};
+#define shaderDynamicTest_sdk_screenspaceeffect_vs20 0
@@ -53,6 +53,9 @@ $Project

 		$File	"example_model_dx9.cpp"
 		$File	"example_model_dx9_helper.cpp"
+
+		$File	"Bloom.cpp"
+		$File	"screenspace_general.cpp"
 	}

 	$Folder	"Header Files"
@@ -0,0 +1,232 @@
+//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "BaseVSShader.h"
+
+#include "SDK_screenspaceeffect_vs20.inc"
+
+DEFINE_FALLBACK_SHADER( SDK_screenspace_general, SDK_screenspace_general_dx9 )
+BEGIN_VS_SHADER_FLAGS( SDK_screenspace_general_dx9, "Help for screenspace_general", SHADER_NOT_EDITABLE )
+	BEGIN_SHADER_PARAMS
+		SHADER_PARAM( C0_X,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C0_Y,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C0_Z,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C0_W,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C1_X,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C1_Y,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C1_Z,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C1_W,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C2_X,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C2_Y,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C2_Z,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C2_W,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C3_X,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C3_Y,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C3_Z,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( C3_W,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( PIXSHADER, SHADER_PARAM_TYPE_STRING, "", "Name of the pixel shader to use" )
+		SHADER_PARAM( DISABLE_COLOR_WRITES,SHADER_PARAM_TYPE_INTEGER,"0","")
+		SHADER_PARAM( ALPHATESTED,SHADER_PARAM_TYPE_FLOAT,"0","")
+		SHADER_PARAM( TEXTURE1, SHADER_PARAM_TYPE_TEXTURE, "", "" )
+		SHADER_PARAM( TEXTURE2, SHADER_PARAM_TYPE_TEXTURE, "", "" )
+		SHADER_PARAM( TEXTURE3, SHADER_PARAM_TYPE_TEXTURE, "", "" )
+		SHADER_PARAM( LINEARREAD_BASETEXTURE, SHADER_PARAM_TYPE_INTEGER, "0", "" )
+		SHADER_PARAM( LINEARREAD_TEXTURE1, SHADER_PARAM_TYPE_INTEGER, "0", "" )
+		SHADER_PARAM( LINEARREAD_TEXTURE2, SHADER_PARAM_TYPE_INTEGER, "0", "" )
+		SHADER_PARAM( LINEARREAD_TEXTURE3, SHADER_PARAM_TYPE_INTEGER, "0", "" )
+		SHADER_PARAM( LINEARWRITE,SHADER_PARAM_TYPE_INTEGER,"0","")
+		SHADER_PARAM( X360APPCHOOSER, SHADER_PARAM_TYPE_INTEGER, "0", "Needed for movies in 360 launcher" )
+	END_SHADER_PARAMS
+
+    SHADER_INIT
+	{
+		if ( params[BASETEXTURE]->IsDefined() )
+		{
+			LoadTexture( BASETEXTURE );
+		}
+		if ( params[TEXTURE1]->IsDefined() )
+		{
+			LoadTexture( TEXTURE1 );
+		}
+		if ( params[TEXTURE2]->IsDefined() )
+		{
+			LoadTexture( TEXTURE2 );
+		}
+		if ( params[TEXTURE3]->IsDefined() )
+		{
+			LoadTexture( TEXTURE3 );
+		}
+	}
+	
+	SHADER_FALLBACK
+	{
+		if ( g_pHardwareConfig->GetDXSupportLevel() < 90 )
+		{
+			return "screenspace_general_dx8";
+		}
+
+		return 0;
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			pShaderShadow->EnableDepthWrites( false );
+			
+			if (params[BASETEXTURE]->IsDefined())
+			{
+				pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+				ITexture *txtr=params[BASETEXTURE]->GetTextureValue();
+				ImageFormat fmt=txtr->GetImageFormat();
+				if ((fmt==IMAGE_FORMAT_RGBA16161616F) || (fmt==IMAGE_FORMAT_RGBA16161616))
+					pShaderShadow->EnableSRGBRead(SHADER_SAMPLER0,false);
+				else
+					pShaderShadow->EnableSRGBRead(SHADER_SAMPLER0, !params[LINEARREAD_BASETEXTURE]->IsDefined() || !params[LINEARREAD_BASETEXTURE]->GetIntValue() );
+			}				
+			if (params[TEXTURE1]->IsDefined())
+			{
+				pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
+				ITexture *txtr=params[TEXTURE1]->GetTextureValue();
+				ImageFormat fmt=txtr->GetImageFormat();
+				if ((fmt==IMAGE_FORMAT_RGBA16161616F) || (fmt==IMAGE_FORMAT_RGBA16161616))
+					pShaderShadow->EnableSRGBRead(SHADER_SAMPLER1,false);
+				else
+					pShaderShadow->EnableSRGBRead(SHADER_SAMPLER1, !params[LINEARREAD_TEXTURE1]->IsDefined() || !params[LINEARREAD_TEXTURE1]->GetIntValue() );
+			}				
+			if (params[TEXTURE2]->IsDefined())
+			{
+				pShaderShadow->EnableTexture( SHADER_SAMPLER2, true );
+				ITexture *txtr=params[TEXTURE2]->GetTextureValue();
+				ImageFormat fmt=txtr->GetImageFormat();
+				if ((fmt==IMAGE_FORMAT_RGBA16161616F) || (fmt==IMAGE_FORMAT_RGBA16161616))
+					pShaderShadow->EnableSRGBRead(SHADER_SAMPLER2,false);
+				else
+					pShaderShadow->EnableSRGBRead(SHADER_SAMPLER2, !params[LINEARREAD_TEXTURE2]->IsDefined() || !params[LINEARREAD_TEXTURE2]->GetIntValue() );
+			}				
+			if (params[TEXTURE3]->IsDefined())
+			{
+				pShaderShadow->EnableTexture( SHADER_SAMPLER3, true );
+				ITexture *txtr=params[TEXTURE3]->GetTextureValue();
+				ImageFormat fmt=txtr->GetImageFormat();
+				if ((fmt==IMAGE_FORMAT_RGBA16161616F) || (fmt==IMAGE_FORMAT_RGBA16161616))
+					pShaderShadow->EnableSRGBRead(SHADER_SAMPLER3,false);
+				else
+					pShaderShadow->EnableSRGBRead(SHADER_SAMPLER3, !params[LINEARREAD_TEXTURE3]->IsDefined() || !params[LINEARREAD_TEXTURE3]->GetIntValue() );
+			}				
+			int fmt = VERTEX_POSITION;
+
+			if ( IS_PARAM_DEFINED( X360APPCHOOSER ) && ( params[X360APPCHOOSER]->GetIntValue() ) )
+			{
+				fmt |= VERTEX_COLOR;
+				EnableAlphaBlending( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
+			}
+			pShaderShadow->VertexShaderVertexFormat( fmt, 1, 0, 0 );
+
+			// maybe convert from linear to gamma on write.
+			bool srgb_write=true;
+			if (params[LINEARWRITE]->GetFloatValue())
+				srgb_write=false;
+			pShaderShadow->EnableSRGBWrite( srgb_write );
+
+			// Pre-cache shaders
+			DECLARE_STATIC_VERTEX_SHADER( sdk_screenspaceeffect_vs20 );
+			SET_STATIC_VERTEX_SHADER_COMBO( X360APPCHOOSER, IS_PARAM_DEFINED( X360APPCHOOSER ) ? params[X360APPCHOOSER]->GetIntValue() : 0 );
+			vsh_forgot_to_set_static_X360APPCHOOSER = 0; // This is a dirty workaround to the shortcut [= 0] in the fxc
+			SET_STATIC_VERTEX_SHADER( sdk_screenspaceeffect_vs20 );
+
+			if (params[DISABLE_COLOR_WRITES]->GetIntValue())
+			{
+				pShaderShadow->EnableColorWrites(false);
+			}
+//			if (params[ALPHATESTED]->GetFloatValue())
+			{
+				pShaderShadow->EnableAlphaTest(true);
+				pShaderShadow->AlphaFunc(SHADER_ALPHAFUNC_GREATER,0.0);
+			}
+			if ( IS_FLAG_SET(MATERIAL_VAR_ADDITIVE) )
+			{
+				EnableAlphaBlending( SHADER_BLEND_ONE, SHADER_BLEND_ONE );
+			}
+
+			if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+			{
+				const char *szPixelShader = params[PIXSHADER]->GetStringValue();
+				size_t iLength = Q_strlen( szPixelShader );
+
+				if( (iLength > 5) && (Q_stricmp( &szPixelShader[iLength - 5], "_ps20" ) == 0) ) //detect if it's trying to load a ps20 shader
+				{
+					//replace it with the ps20b shader
+					char *szNewName = (char *)stackalloc( sizeof( char ) * (iLength + 2) );
+					memcpy( szNewName, szPixelShader, sizeof( char ) * iLength );
+					szNewName[iLength] = 'b';
+					szNewName[iLength + 1] = '\0';
+					pShaderShadow->SetPixelShader( szNewName, 0 );
+				}
+				else
+				{
+					pShaderShadow->SetPixelShader( params[PIXSHADER]->GetStringValue(), 0 );
+				}
+			}
+			else
+			{
+				pShaderShadow->SetPixelShader( params[PIXSHADER]->GetStringValue(), 0 );
+			}
+		}
+
+		DYNAMIC_STATE
+		{
+			if (params[BASETEXTURE]->IsDefined())
+			{
+				BindTexture( SHADER_SAMPLER0, BASETEXTURE, -1 );
+			}
+			if (params[TEXTURE1]->IsDefined())
+			{
+				BindTexture( SHADER_SAMPLER1, TEXTURE1, -1 );
+			}
+			if (params[TEXTURE2]->IsDefined())
+			{
+				BindTexture( SHADER_SAMPLER2, TEXTURE2, -1 );
+			}
+			if (params[TEXTURE3]->IsDefined())
+			{
+				BindTexture( SHADER_SAMPLER3, TEXTURE3, -1 );
+			}
+			float c0[]={
+				params[C0_X]->GetFloatValue(),
+				params[C0_Y]->GetFloatValue(),
+				params[C0_Z]->GetFloatValue(),
+				params[C0_W]->GetFloatValue(),
+				params[C1_X]->GetFloatValue(),
+				params[C1_Y]->GetFloatValue(),
+				params[C1_Z]->GetFloatValue(),
+				params[C1_W]->GetFloatValue(),
+				params[C2_X]->GetFloatValue(),
+				params[C2_Y]->GetFloatValue(),
+				params[C2_Z]->GetFloatValue(),
+				params[C2_W]->GetFloatValue(),
+				params[C3_X]->GetFloatValue(),
+				params[C3_Y]->GetFloatValue(),
+				params[C3_Z]->GetFloatValue(),
+				params[C3_W]->GetFloatValue()
+			};
+
+			pShaderAPI->SetPixelShaderConstant( 0, c0, ARRAYSIZE(c0)/4 );
+
+			float eyePos[4];
+			pShaderAPI->GetWorldSpaceCameraPosition( eyePos );
+			pShaderAPI->SetPixelShaderConstant( 10, eyePos, 1 );
+
+			pShaderAPI->SetVertexShaderIndex( 0 );
+			pShaderAPI->SetPixelShaderIndex( 0 );
+
+			DECLARE_DYNAMIC_VERTEX_SHADER( sdk_screenspaceeffect_vs20 );
+			SET_DYNAMIC_VERTEX_SHADER( sdk_screenspaceeffect_vs20 );
+		}
+		Draw();
+	}
+END_SHADER
@@ -9,3 +9,8 @@

 example_model_ps20b.fxc
 example_model_vs20.fxc
+
+SDK_Bloom_ps2x.fxc
+SDK_screenspaceeffect_vs20.fxc
+
+SDK_bloomadd_ps2x.fxc