1HEADmaster

1 files changed, 136 insertions, 0 deletions

diff --git a/materialsystem/stdshaders/BlurFilterY.cpp b/materialsystem/stdshaders/BlurFilterY.cpp
new file mode 100644
index 0000000..57db29c
--- /dev/null
+++ b/materialsystem/stdshaders/BlurFilterY.cpp
@@ -0,0 +1,136 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//===========================================================================//
+
+#include "BaseVSShader.h"
+#include "BlurFilter_vs20.inc"
+#include "BlurFilter_ps20.inc"
+#include "BlurFilter_ps20b.inc"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+BEGIN_VS_SHADER_FLAGS( BlurFilterY, "Help for BlurFilterY", SHADER_NOT_EDITABLE )
+	BEGIN_SHADER_PARAMS
+        SHADER_PARAM( BLOOMAMOUNT, SHADER_PARAM_TYPE_FLOAT, "1.0", "" )
+		SHADER_PARAM( FRAMETEXTURE, SHADER_PARAM_TYPE_TEXTURE, "_rt_SmallHDR0", "" )
+	END_SHADER_PARAMS
+
+	SHADER_INIT_PARAMS()
+	{
+		if ( !( params[BLOOMAMOUNT]->IsDefined() ) )
+		{
+			params[BLOOMAMOUNT]->SetFloatValue( 1.0 );
+		}
+	}
+
+	SHADER_INIT
+	{
+		if ( params[BASETEXTURE]->IsDefined() )
+		{
+			LoadTexture( BASETEXTURE );
+		}
+	}
+	
+	SHADER_FALLBACK
+	{
+		if ( g_pHardwareConfig->GetDXSupportLevel() < 90 )
+		{
+			return "BlurFilterY_DX80";
+		}
+		return 0;
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			pShaderShadow->EnableDepthWrites( false );
+			pShaderShadow->EnableAlphaWrites( true );
+			pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+			pShaderShadow->VertexShaderVertexFormat( VERTEX_POSITION, 1, 0, 0 );
+
+			// Render targets are pegged as sRGB on POSIX, so just force these reads and writes
+			bool bForceSRGBReadAndWrite = IsOSX() && g_pHardwareConfig->CanDoSRGBReadFromRTs();
+			pShaderShadow->EnableSRGBRead( SHADER_SAMPLER0, bForceSRGBReadAndWrite );
+			pShaderShadow->EnableSRGBWrite( bForceSRGBReadAndWrite );
+
+			// Pre-cache shaders
+			DECLARE_STATIC_VERTEX_SHADER( blurfilter_vs20 );
+			SET_STATIC_VERTEX_SHADER( blurfilter_vs20 );
+			
+			if( g_pHardwareConfig->SupportsPixelShaders_2_b() || g_pHardwareConfig->ShouldAlwaysUseShaderModel2bShaders() )
+			{
+				DECLARE_STATIC_PIXEL_SHADER( blurfilter_ps20b );
+#ifndef _X360
+				SET_STATIC_PIXEL_SHADER_COMBO( APPROX_SRGB_ADAPTER, bForceSRGBReadAndWrite );
+#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 );
+
+			// The temp buffer is 1/4 back buffer size
+			ITexture *src_texture = params[BASETEXTURE]->GetTextureValue();
+			int height = src_texture->GetActualWidth();
+			float dY = 1.0f / height;
+//			dY *= 0.4;
+			float v[4];
+
+			// Tap offsets
+			v[0] = 0.0f;
+			v[1] = 1.3366f * dY;
+			v[2] = 0;
+			v[3] = 0;
+			pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, v, 1 );
+			v[0] = 0.0f;
+			v[1] = 3.4295f * dY;
+			pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_1, v, 1 );
+			v[0] = 0.0f;
+			v[1] = 5.4264f * dY;
+			pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_2, v, 1 );
+
+			v[0] = 0.0f;
+			v[1] = 7.4359f * dY;
+			pShaderAPI->SetPixelShaderConstant( 0, v, 1 );
+			v[0] = 0.0f;
+			v[1] = 9.4436f * dY;
+			pShaderAPI->SetPixelShaderConstant( 1, v, 1 );
+			v[0] = 0.0f;
+			v[1] = 11.4401f * dY;
+			pShaderAPI->SetPixelShaderConstant( 2, v, 1 );
+
+			v[0]=v[1]=v[2]=params[BLOOMAMOUNT]->GetFloatValue();
+			
+			pShaderAPI->SetPixelShaderConstant( 3, v, 1 );
+
+			DECLARE_DYNAMIC_VERTEX_SHADER( blurfilter_ps20 );
+			SET_DYNAMIC_VERTEX_SHADER( blurfilter_ps20 );
+
+			if( g_pHardwareConfig->SupportsPixelShaders_2_b() || g_pHardwareConfig->ShouldAlwaysUseShaderModel2bShaders() )
+			{
+				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