1 files changed, 121 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/sfm_blurfilterx.cpp b/materialsystem/stdshaders/sfm_blurfilterx.cpp
new file mode 100644
index 0000000..4e54691
--- /dev/null
+++ b/materialsystem/stdshaders/sfm_blurfilterx.cpp
@@ -0,0 +1,121 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//===========================================================================//
+
+#include "BaseVSShader.h"
+#include "BlurFilter_vs20.inc"
+#include "BlurFilter_ps20.inc"
+#include "BlurFilter_ps20b.inc"
+
+BEGIN_VS_SHADER_FLAGS( sfm_blurfilterx_shader, "Help for BlurFilterX", SHADER_NOT_EDITABLE )
+	BEGIN_SHADER_PARAMS
+	END_SHADER_PARAMS
+
+	SHADER_INIT
+	{
+		if( params[BASETEXTURE]->IsDefined() )
+		{
+			LoadTexture( BASETEXTURE );
+		}
+	}
+	
+	SHADER_FALLBACK
+	{
+		// Requires DX9 + above
+		if ( g_pHardwareConfig->GetDXSupportLevel() < 90 )
+		{
+			Assert( 0 );
+			return "Wireframe";
+		}
+		return 0;
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			pShaderShadow->EnableDepthWrites( false );
+			pShaderShadow->EnableAlphaWrites( true );
+
+			pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+			int fmt = VERTEX_POSITION;
+			pShaderShadow->VertexShaderVertexFormat( fmt, 1, 0, 0 );
+
+			// Pre-cache shaders
+			blurfilter_vs20_Static_Index vshIndex;
+			pShaderShadow->SetVertexShader( "BlurFilter_vs20", vshIndex.GetIndex() );
+			
+			if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+			{
+				DECLARE_STATIC_PIXEL_SHADER( blurfilter_ps20b );
+#ifndef _X360
+				SET_STATIC_PIXEL_SHADER_COMBO( APPROX_SRGB_ADAPTER, 0 );
+#endif
+				SET_STATIC_PIXEL_SHADER( blurfilter_ps20b );
+			}
+			else
+			{
+				DECLARE_STATIC_PIXEL_SHADER( blurfilter_ps20 );
+				SET_STATIC_PIXEL_SHADER( blurfilter_ps20 );
+			}
+			
+			
+			if ( IS_FLAG_SET( MATERIAL_VAR_ADDITIVE ) )
+				EnableAlphaBlending( SHADER_BLEND_ONE, SHADER_BLEND_ONE );
+		}
+
+		DYNAMIC_STATE
+		{
+			BindTexture( SHADER_SAMPLER0, BASETEXTURE, -1 );
+
+			ITexture *src_texture=params[BASETEXTURE]->GetTextureValue();
+			int width  = src_texture->GetActualWidth();
+
+			float v[4];
+
+			// The temp buffer is 1/4 back buffer size
+			float dX = 1.0f / width;
+
+			// Tap offsets
+			v[0] = 1.3366f * dX;
+			v[1] = 0.0f;
+			pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, v, 1 );
+			v[0] = 3.4295f * dX;
+			v[1] = 0.0f;
+			pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_1, v, 1 );
+			v[0] = 5.4264f * dX;
+			v[1] = 0.0f;
+			pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_2, v, 1 );
+
+			v[0] = 7.4359f * dX;
+			v[1] = 0.0f;
+			pShaderAPI->SetPixelShaderConstant( 0, v, 1 );
+			v[0] = 9.4436f * dX;
+			v[1] = 0.0f;
+			pShaderAPI->SetPixelShaderConstant( 1, v, 1 );
+			v[0] = 11.4401f * dX;
+			v[1] = 0.0f;
+			pShaderAPI->SetPixelShaderConstant( 2, v, 1 );
+
+			v[0] = v[1] = v[2] = v [3]=1.0;
+			pShaderAPI->SetPixelShaderConstant( 3, v, 1 );
+
+			pShaderAPI->SetVertexShaderIndex( 0 );
+			
+			if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+			{
+				DECLARE_DYNAMIC_PIXEL_SHADER( blurfilter_ps20b );
+				SET_DYNAMIC_PIXEL_SHADER( blurfilter_ps20b );
+			}
+			else
+			{
+				DECLARE_DYNAMIC_PIXEL_SHADER( blurfilter_ps20 );
+				SET_DYNAMIC_PIXEL_SHADER( blurfilter_ps20 );
+			}
+		}
+		Draw();
+	}
+END_SHADER