1 files changed, 118 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/floatcombine.cpp b/materialsystem/stdshaders/floatcombine.cpp
new file mode 100644
index 0000000..18757b9
--- /dev/null
+++ b/materialsystem/stdshaders/floatcombine.cpp
@@ -0,0 +1,118 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "BaseVSShader.h"
+
+#include "screenspaceeffect_vs20.inc"
+#include "floatcombine_ps20.inc"
+#include "floatcombine_ps20b.inc"
+
+BEGIN_VS_SHADER_FLAGS( floatcombine, "Help for floatcombine", SHADER_NOT_EDITABLE )
+	BEGIN_SHADER_PARAMS
+		SHADER_PARAM( BLOOMTEXTURE, SHADER_PARAM_TYPE_TEXTURE, "", "" )
+		SHADER_PARAM( SHARPNESS, SHADER_PARAM_TYPE_FLOAT, "1", "" )
+	    SHADER_PARAM( WOODCUT, SHADER_PARAM_TYPE_FLOAT, "0", "" )
+		SHADER_PARAM( VIGNETTE_MIN_BRIGHT,SHADER_PARAM_TYPE_FLOAT,"1","")
+		SHADER_PARAM( VIGNETTE_POWER,SHADER_PARAM_TYPE_FLOAT,"4","")
+		SHADER_PARAM( EDGE_SOFTNESS,SHADER_PARAM_TYPE_FLOAT,"0","")
+	    SHADER_PARAM( BLOOMAMOUNT, SHADER_PARAM_TYPE_FLOAT, "1.0", "" )
+		SHADER_PARAM( BLOOMEXPONENT, SHADER_PARAM_TYPE_FLOAT, "2.0", "" )
+		SHADER_PARAM( ALPHASHARPENFACTOR, SHADER_PARAM_TYPE_FLOAT, "0.0", "" )
+	END_SHADER_PARAMS
+
+	SHADER_INIT
+	{
+		if( params[BASETEXTURE]->IsDefined() )
+		{
+			LoadTexture( BASETEXTURE );
+		}
+		if( params[BLOOMTEXTURE]->IsDefined() )
+		{
+			LoadTexture( BLOOMTEXTURE );
+		}
+	}
+	
+	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 );
+
+			// convert from linear to gamma on write.
+			pShaderShadow->EnableSRGBWrite( true );
+
+			// Pre-cache shaders
+			DECLARE_STATIC_VERTEX_SHADER( screenspaceeffect_vs20 );
+			SET_STATIC_VERTEX_SHADER( screenspaceeffect_vs20 );
+
+			if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+			{
+				DECLARE_STATIC_PIXEL_SHADER( floatcombine_ps20b );
+				SET_STATIC_PIXEL_SHADER( floatcombine_ps20b );
+			}
+			else
+			{
+				DECLARE_STATIC_PIXEL_SHADER( floatcombine_ps20 );
+				SET_STATIC_PIXEL_SHADER( floatcombine_ps20 );
+			}
+		}
+
+		DYNAMIC_STATE
+		{
+			float c0[4]={params[SHARPNESS]->GetFloatValue(),
+						 params[WOODCUT]->GetFloatValue(),
+						 params[BLOOMAMOUNT]->GetFloatValue(),
+						 params[ALPHASHARPENFACTOR]->GetFloatValue()};
+			float c1[4]={params[BLOOMEXPONENT]->GetFloatValue(),
+						 params[VIGNETTE_MIN_BRIGHT]->GetFloatValue(),
+						 params[VIGNETTE_POWER]->GetFloatValue(),
+						 params[EDGE_SOFTNESS]->GetFloatValue()};
+			pShaderAPI->SetPixelShaderConstant( 0, c0, 1 );
+			pShaderAPI->SetPixelShaderConstant( 1, c1, 1 );
+			BindTexture( SHADER_SAMPLER0, BASETEXTURE, -1 );
+			BindTexture( SHADER_SAMPLER1, BLOOMTEXTURE, -1 );
+
+			ITexture *base_texture=params[BASETEXTURE]->GetTextureValue();
+			ITexture *bloom_texture=params[BLOOMTEXTURE]->GetTextureValue();
+
+			float v0[4]={ (float)(1.0/base_texture->GetActualWidth()), (float)(1.0/base_texture->GetActualHeight()),
+				      (float)(1.0/bloom_texture->GetActualWidth()), (float)(1.0/bloom_texture->GetActualHeight()) };
+			pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, v0, 1 );
+
+			DECLARE_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs20 );
+			SET_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs20 );
+
+			if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+			{
+				DECLARE_DYNAMIC_PIXEL_SHADER( floatcombine_ps20b );
+				SET_DYNAMIC_PIXEL_SHADER( floatcombine_ps20b );
+			}
+			else
+			{
+				DECLARE_DYNAMIC_PIXEL_SHADER( floatcombine_ps20 );
+				SET_DYNAMIC_PIXEL_SHADER( floatcombine_ps20 );
+			}
+		}
+		Draw();
+	}
+END_SHADER