1HEADmaster

1 files changed, 86 insertions, 0 deletions

diff --git a/materialsystem/stdshaders/BlurFilterX_dx80.cpp b/materialsystem/stdshaders/BlurFilterX_dx80.cpp
new file mode 100644
index 0000000..6eecfef
--- /dev/null
+++ b/materialsystem/stdshaders/BlurFilterX_dx80.cpp
@@ -0,0 +1,86 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//===========================================================================//
+
+#include "BaseVSShader.h"
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+DEFINE_FALLBACK_SHADER( BlurFilterX, BlurFilterX_DX80 )
+
+BEGIN_VS_SHADER_FLAGS( BlurFilterX_DX80, "Help for BlurFilterX_DX80", SHADER_NOT_EDITABLE )
+	BEGIN_SHADER_PARAMS
+	END_SHADER_PARAMS
+
+	SHADER_INIT
+	{
+		if( params[BASETEXTURE]->IsDefined() )
+		{
+			LoadTexture( BASETEXTURE );
+		}
+	}
+	
+	SHADER_FALLBACK
+	{
+		if ( g_pHardwareConfig->GetDXSupportLevel() < 80 )
+		{
+			return "Wireframe";
+		}
+		return 0;
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			pShaderShadow->EnableDepthWrites( false );
+			pShaderShadow->EnableAlphaWrites( true );
+			pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+			pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
+			pShaderShadow->EnableTexture( SHADER_SAMPLER2, true );
+			pShaderShadow->EnableTexture( SHADER_SAMPLER3, true );
+			pShaderShadow->VertexShaderVertexFormat( VERTEX_POSITION, 1, 0, 0 );
+
+			// Pre-cache shaders
+			pShaderShadow->SetVertexShader( "BlurFilter_vs11", 0 );
+			pShaderShadow->SetPixelShader( "BlurFilter_ps11", 0 );
+
+			if ( IS_FLAG_SET( MATERIAL_VAR_ADDITIVE ) )
+				EnableAlphaBlending( SHADER_BLEND_ONE, SHADER_BLEND_ONE );
+		}
+
+		DYNAMIC_STATE
+		{
+			BindTexture( SHADER_SAMPLER0, BASETEXTURE, -1 );
+			BindTexture( SHADER_SAMPLER1, BASETEXTURE, -1 );
+			BindTexture( SHADER_SAMPLER2, BASETEXTURE, -1 );
+			BindTexture( SHADER_SAMPLER3, BASETEXTURE, -1 );
+
+			// The temp buffer is 1/4 back buffer size
+			ITexture *src_texture=params[BASETEXTURE]->GetTextureValue();
+			int width = src_texture->GetActualWidth();
+			float dX = 2.0f / width;
+
+			// 4 Tap offsets, expected from pixel center
+			float v[4][4];
+			v[0][0] = -1.5f * dX;
+			v[0][1] = 0;
+			v[1][0] = -0.5f * dX;
+			v[1][1] = 0;
+			v[2][0] = 0.5f * dX;
+			v[2][1] = 0;
+			v[3][0] = 1.5f * dX;
+			v[3][1] = 0;
+			pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, &v[0][0], 4 );
+
+			v[0][0] = v[0][1] = v[0][2] = v[0][3] = 1.0f;
+			pShaderAPI->SetPixelShaderConstant( 1, v[0], 1 );
+
+			pShaderAPI->SetVertexShaderIndex( 0 );
+			pShaderAPI->SetPixelShaderIndex( 0 );
+		}
+		Draw();
+	}
+END_SHADER