From 3bf9df6b2785fa6d951086978a3e66f49427166a Mon Sep 17 00:00:00 2001
From: FluorescentCIAAfricanAmerican <0934gj3049fk@protonmail.com>
Date: Wed, 22 Apr 2020 12:56:21 -0400
Subject: 1

---
 .../stdshaders/floatcombine_autoexpose.cpp         | 123 +++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 materialsystem/stdshaders/floatcombine_autoexpose.cpp

(limited to 'materialsystem/stdshaders/floatcombine_autoexpose.cpp')

diff --git a/materialsystem/stdshaders/floatcombine_autoexpose.cpp b/materialsystem/stdshaders/floatcombine_autoexpose.cpp
new file mode 100644
index 0000000..c28425f
--- /dev/null
+++ b/materialsystem/stdshaders/floatcombine_autoexpose.cpp
@@ -0,0 +1,123 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "BaseVSShader.h"
+
+#include "screenspaceeffect_vs20.inc"
+#include "floatcombine_autoexpose_ps20.inc"
+#include "floatcombine_autoexpose_ps20b.inc"
+
+BEGIN_VS_SHADER( floatcombine_autoexpose, "Help for floatcombine_autoexpose" )
+	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", "" )
+		SHADER_PARAM( EXPOSURE_TEXTURE, SHADER_PARAM_TYPE_TEXTURE, "", "" )
+	    SHADER_PARAM( AUTOEXPOSE_MIN, SHADER_PARAM_TYPE_FLOAT, ".5", "" )
+	    SHADER_PARAM( AUTOEXPOSE_MAX, SHADER_PARAM_TYPE_FLOAT, "2", "" )
+	END_SHADER_PARAMS
+
+	SHADER_INIT
+	{
+		if( params[BASETEXTURE]->IsDefined() )
+		{
+			LoadTexture( BASETEXTURE );
+		}
+		if( params[BLOOMTEXTURE]->IsDefined() )
+		{
+			LoadTexture( BLOOMTEXTURE );
+		}
+		if( params[EXPOSURE_TEXTURE]->IsDefined() )
+		{
+			LoadTexture( EXPOSURE_TEXTURE );
+		}
+	}
+	
+	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 );
+			pShaderShadow->EnableTexture( SHADER_SAMPLER2, 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_autoexpose_ps20b );
+				SET_STATIC_PIXEL_SHADER( floatcombine_autoexpose_ps20b );
+			}
+			else
+			{
+				DECLARE_STATIC_PIXEL_SHADER( floatcombine_autoexpose_ps20 );
+				SET_STATIC_PIXEL_SHADER( floatcombine_autoexpose_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()};
+			float c2[4]={params[AUTOEXPOSE_MIN]->GetFloatValue(),
+						 params[AUTOEXPOSE_MAX]->GetFloatValue(),
+						 0,0};
+			pShaderAPI->SetPixelShaderConstant( 0, c0, 1 );
+			pShaderAPI->SetPixelShaderConstant( 1, c1, 1 );
+			pShaderAPI->SetPixelShaderConstant( 2, c2, 1 );
+			BindTexture( SHADER_SAMPLER0, BASETEXTURE, -1 );
+			BindTexture( SHADER_SAMPLER1, BLOOMTEXTURE, -1 );
+			BindTexture( SHADER_SAMPLER2, EXPOSURE_TEXTURE, -1 );
+			DECLARE_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs20 );
+			SET_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs20 );
+
+			if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+			{
+				DECLARE_DYNAMIC_PIXEL_SHADER( floatcombine_autoexpose_ps20b );
+				SET_DYNAMIC_PIXEL_SHADER( floatcombine_autoexpose_ps20b );
+			}
+			else
+			{
+				DECLARE_DYNAMIC_PIXEL_SHADER( floatcombine_autoexpose_ps20 );
+				SET_DYNAMIC_PIXEL_SHADER( floatcombine_autoexpose_ps20 );
+			}
+		}
+		Draw();
+	}
+END_SHADER
-- 
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