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materialsystem/stdshaders/hsv.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "BaseVSShader.h"
+#include "screenspaceeffect_vs20.inc"
+#include "hsv_ps20.inc"
+#include "hsv_ps20b.inc"
+
+BEGIN_VS_SHADER_FLAGS( HSV, "Help for HSV", SHADER_NOT_EDITABLE )
+	BEGIN_SHADER_PARAMS
+	END_SHADER_PARAMS
+
+	SHADER_INIT_PARAMS()
+	{
+		SET_FLAGS2( MATERIAL_VAR2_NEEDS_FULL_FRAME_BUFFER_TEXTURE );
+	}
+
+	SHADER_INIT
+	{
+	}
+	
+	SHADER_FALLBACK
+	{
+		// Requires DX9 + above
+		if (g_pHardwareConfig->GetDXSupportLevel() < 90)
+		{
+			Assert( 0 );
+			return "Wireframe";
+		}
+		return 0;
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+			int fmt = VERTEX_POSITION;
+			pShaderShadow->VertexShaderVertexFormat( fmt, 1, 0, 0 );
+
+			DECLARE_STATIC_VERTEX_SHADER( screenspaceeffect_vs20 );
+			SET_STATIC_VERTEX_SHADER( screenspaceeffect_vs20 );
+
+			if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+			{
+				DECLARE_STATIC_PIXEL_SHADER( hsv_ps20b );
+				SET_STATIC_PIXEL_SHADER( hsv_ps20b );
+			}
+			else
+			{
+				DECLARE_STATIC_PIXEL_SHADER( hsv_ps20 );
+				SET_STATIC_PIXEL_SHADER( hsv_ps20 );
+			}
+		}
+		DYNAMIC_STATE
+		{
+			pShaderAPI->BindStandardTexture( SHADER_SAMPLER0, TEXTURE_FRAME_BUFFER_FULL_TEXTURE_0 );
+			DECLARE_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs20 );
+			SET_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs20 );
+		}
+		Draw();
+	}
+END_SHADER