1 files changed, 113 insertions, 0 deletions
diff --git a/mp/src/materialsystem/stdshaders/debugdepth.cpp b/mp/src/materialsystem/stdshaders/debugdepth.cpp
new file mode 100644
index 00000000..65e55e0c
--- /dev/null
+++ b/mp/src/materialsystem/stdshaders/debugdepth.cpp
@@ -0,0 +1,113 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Header: $
+// $NoKeywords: $
+//===========================================================================//
+
+#include "shaderlib/cshader.h"
+#include "convar.h"
+#include "debugdrawdepth_vs20.inc"
+#include "debugdrawdepth_ps20.inc"
+#include "debugdrawdepth_ps20b.inc"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+static ConVar mat_debugdepthmode( "mat_debugdepthmode", "0" );
+static ConVar mat_debugdepthval( "mat_debugdepthval", "128.0f" );
+static ConVar mat_debugdepthvalmax( "mat_debugdepthvalmax", "256.0f" );
+
+BEGIN_SHADER_FLAGS( DebugDepth, "Help for DebugDepth", SHADER_NOT_EDITABLE )
+	BEGIN_SHADER_PARAMS
+	END_SHADER_PARAMS
+
+	SHADER_INIT_PARAMS()
+	{
+		SET_FLAGS2( MATERIAL_VAR2_SUPPORTS_HW_SKINNING );
+	}
+
+	SHADER_INIT
+	{
+	}
+	   
+	SHADER_FALLBACK
+	{
+		if( g_pHardwareConfig->GetDXSupportLevel() < 90 )
+		{
+//			Assert( 0 );
+			return "WireFrame";
+		}
+		return 0;
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			// Set stream format (note that this shader supports compression)
+			unsigned int flags = VERTEX_POSITION | VERTEX_FORMAT_COMPRESSED;
+			int nTexCoordCount = 1;
+			int userDataSize = 0;
+			pShaderShadow->VertexShaderVertexFormat( flags, nTexCoordCount, NULL, userDataSize );
+
+			DECLARE_STATIC_VERTEX_SHADER( debugdrawdepth_vs20 );
+			SET_STATIC_VERTEX_SHADER( debugdrawdepth_vs20 );
+
+			if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+			{
+				DECLARE_STATIC_PIXEL_SHADER( debugdrawdepth_ps20b );
+				SET_STATIC_PIXEL_SHADER( debugdrawdepth_ps20b );
+			}
+			else
+			{
+				DECLARE_STATIC_PIXEL_SHADER( debugdrawdepth_ps20 );
+				SET_STATIC_PIXEL_SHADER( debugdrawdepth_ps20 );
+			}
+		}
+		DYNAMIC_STATE
+		{
+			DECLARE_DYNAMIC_VERTEX_SHADER( debugdrawdepth_vs20 );
+			SET_DYNAMIC_VERTEX_SHADER_COMBO( SKINNING,  s_pShaderAPI->GetCurrentNumBones() > 0 );
+			SET_DYNAMIC_VERTEX_SHADER_COMBO( COMPRESSED_VERTS, (int)vertexCompression );
+			SET_DYNAMIC_VERTEX_SHADER( debugdrawdepth_vs20 );
+
+			Vector4D vecZFilter( 0, 0, 0, 1 );
+			int nDepthMode = mat_debugdepthmode.GetInt();
+			if ( nDepthMode > 1 )
+			{
+				nDepthMode = 0;
+			}
+
+			vecZFilter[nDepthMode] = 1;
+			s_pShaderAPI->SetPixelShaderConstant( 1, vecZFilter.Base() );
+
+			Vector4D vecModulationColor( 0, 0, 0, 1 );
+			if ( IS_FLAG_SET( MATERIAL_VAR_DECAL ) )
+			{
+				vecModulationColor[0] = 0;
+				vecModulationColor[1] = 1;
+				vecModulationColor[2] = 1;
+			}
+			else
+			{
+				vecModulationColor[0] = 1;
+				vecModulationColor[1] = 1;
+				vecModulationColor[2] = 1;
+			}
+			s_pShaderAPI->SetPixelShaderConstant( 2, vecModulationColor.Base() );
+
+			float flDepthFactor = mat_debugdepthval.GetFloat();
+			float flDepthFactorMax = mat_debugdepthvalmax.GetFloat();
+			if ( flDepthFactor == 0 )
+			{
+				flDepthFactor = 1.0f;
+			}
+			Vector4D vecZFactor( (flDepthFactorMax - flDepthFactor), flDepthFactor, 1, 1 );
+			pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, vecZFactor.Base() );
+		}
+		Draw();
+	}
+END_SHADER
+