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1 files changed, 232 insertions, 0 deletions

diff --git a/materialsystem/stdshaders/DecalModulate_dx9.cpp b/materialsystem/stdshaders/DecalModulate_dx9.cpp
new file mode 100644
index 0000000..ecb1c79
--- /dev/null
+++ b/materialsystem/stdshaders/DecalModulate_dx9.cpp
@@ -0,0 +1,232 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Header: $
+// $NoKeywords: $
+//===========================================================================//
+
+#include "BaseVSShader.h"
+#include "cpp_shader_constant_register_map.h"
+
+#include "VertexLit_and_unlit_Generic_vs20.inc"
+#include "decalmodulate_ps20.inc"
+#include "decalmodulate_ps20b.inc"
+
+#ifndef _X360
+#include "vertexlit_and_unlit_generic_vs30.inc"
+#include "decalmodulate_ps30.inc"
+#endif
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+DEFINE_FALLBACK_SHADER( DecalModulate, DecalModulate_DX9 )
+
+extern ConVar r_flashlight_version2;
+
+BEGIN_VS_SHADER( DecalModulate_dx9, 
+			  "Help for DecalModulate_dx9" )
+			  
+	BEGIN_SHADER_PARAMS
+	END_SHADER_PARAMS
+	
+	SHADER_FALLBACK
+	{
+		if (g_pHardwareConfig->GetDXSupportLevel() < 90)
+			return "DecalModulate_DX6";
+		return 0;
+	}
+
+	SHADER_INIT_PARAMS()
+	{
+		SET_FLAGS( MATERIAL_VAR_NO_DEBUG_OVERRIDE );
+
+#ifndef _X360
+		if ( g_pHardwareConfig->HasFastVertexTextures() )
+		{
+			// The vertex shader uses the vertex id stream
+			SET_FLAGS2( MATERIAL_VAR2_USES_VERTEXID );
+			SET_FLAGS2( MATERIAL_VAR2_SUPPORTS_HW_SKINNING );
+		}
+#endif
+	}
+
+	SHADER_INIT
+	{
+		LoadTexture( BASETEXTURE );
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			pShaderShadow->EnableAlphaTest( true );
+			pShaderShadow->AlphaFunc( SHADER_ALPHAFUNC_GREATER, 0.0f );
+			pShaderShadow->EnableDepthWrites( false );
+			pShaderShadow->EnablePolyOffset( SHADER_POLYOFFSET_DECAL );
+			pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+
+			// Be sure not to write to dest alpha
+			pShaderShadow->EnableAlphaWrites( false );
+
+			// SRGB conversions hose the blend on some hardware, so keep we everything in gamma space
+			pShaderShadow->EnableSRGBRead( SHADER_SAMPLER0, false );
+			pShaderShadow->EnableSRGBWrite( false );
+
+			pShaderShadow->EnableBlending( true );
+			pShaderShadow->BlendFunc( SHADER_BLEND_DST_COLOR, SHADER_BLEND_SRC_COLOR );
+			pShaderShadow->DisableFogGammaCorrection( true ); //fog should stay exactly middle grey
+			FogToGrey();
+
+#ifndef _X360
+			if ( !g_pHardwareConfig->HasFastVertexTextures() )
+#endif
+			{
+				bool bUseStaticControlFlow = g_pHardwareConfig->SupportsStaticControlFlow();
+
+				DECLARE_STATIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs20 );
+				SET_STATIC_VERTEX_SHADER_COMBO( VERTEXCOLOR,  false );
+				SET_STATIC_VERTEX_SHADER_COMBO( CUBEMAP,  false );
+				SET_STATIC_VERTEX_SHADER_COMBO( HALFLAMBERT,  false );
+				SET_STATIC_VERTEX_SHADER_COMBO( FLASHLIGHT,  false );
+				SET_STATIC_VERTEX_SHADER_COMBO( SEAMLESS_BASE,  false );
+				SET_STATIC_VERTEX_SHADER_COMBO( SEAMLESS_DETAIL,  false );
+				SET_STATIC_VERTEX_SHADER_COMBO( SEPARATE_DETAIL_UVS, false );
+				SET_STATIC_VERTEX_SHADER_COMBO( USE_STATIC_CONTROL_FLOW, bUseStaticControlFlow );
+				SET_STATIC_VERTEX_SHADER_COMBO( DONT_GAMMA_CONVERT_VERTEX_COLOR, 0 );
+				SET_STATIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs20 );
+
+				if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+				{
+					DECLARE_STATIC_PIXEL_SHADER( decalmodulate_ps20b );
+					SET_STATIC_PIXEL_SHADER( decalmodulate_ps20b );
+				}
+				else
+				{
+					DECLARE_STATIC_PIXEL_SHADER( decalmodulate_ps20 );
+					SET_STATIC_PIXEL_SHADER( decalmodulate_ps20 );
+				}
+			}
+#ifndef _X360
+			else
+			{
+				DECLARE_STATIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs30 );
+				SET_STATIC_VERTEX_SHADER_COMBO( VERTEXCOLOR,  false );
+				SET_STATIC_VERTEX_SHADER_COMBO( CUBEMAP,  false );
+				SET_STATIC_VERTEX_SHADER_COMBO( HALFLAMBERT,  false );
+				SET_STATIC_VERTEX_SHADER_COMBO( FLASHLIGHT,  false );
+				SET_STATIC_VERTEX_SHADER_COMBO( SEAMLESS_BASE,  false );
+				SET_STATIC_VERTEX_SHADER_COMBO( SEAMLESS_DETAIL,  false );
+				SET_STATIC_VERTEX_SHADER_COMBO( SEPARATE_DETAIL_UVS, false );
+				SET_STATIC_VERTEX_SHADER_COMBO( DECAL, true );
+				SET_STATIC_VERTEX_SHADER_COMBO( DONT_GAMMA_CONVERT_VERTEX_COLOR, 0 );
+				SET_STATIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs30 );
+
+				DECLARE_STATIC_PIXEL_SHADER( decalmodulate_ps30 );
+				SET_STATIC_PIXEL_SHADER( decalmodulate_ps30 );
+			}
+#endif
+
+			// Set stream format (note that this shader supports compression)
+			unsigned int flags = VERTEX_POSITION | VERTEX_FORMAT_COMPRESSED;
+#ifndef _X360
+			// The VS30 shader offsets decals along the normal (for morphed geom)
+			flags |= g_pHardwareConfig->HasFastVertexTextures() ? VERTEX_NORMAL : 0;
+#endif
+			int pTexCoordDim[3] = { 2, 0, 3 };
+			int nTexCoordCount = 1;
+			int userDataSize = 0;
+
+#ifndef _X360
+			if ( g_pHardwareConfig->HasFastVertexTextures() )
+			{
+				nTexCoordCount = 3;
+			}
+#endif
+
+			pShaderShadow->VertexShaderVertexFormat( flags, nTexCoordCount, pTexCoordDim, userDataSize );
+		}
+		DYNAMIC_STATE
+		{
+			if ( pShaderAPI->InFlashlightMode() && ( !IsX360() && ( r_flashlight_version2.GetInt() == 0 ) ) )
+			{
+				// Don't draw anything for the flashlight pass
+				Draw( false );
+				return;
+			}
+
+			BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME );
+
+			// Set an identity base texture transformation
+			Vector4D transformation[2];
+			transformation[0].Init( 1.0f, 0.0f, 0.0f, 0.0f );
+			transformation[1].Init( 0.0f, 1.0f, 0.0f, 0.0f );
+		 	pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_0, transformation[0].Base(), 2 ); 
+
+			MaterialFogMode_t fogType = s_pShaderAPI->GetSceneFogMode();
+			int fogIndex = ( fogType == MATERIAL_FOG_LINEAR_BELOW_FOG_Z ) ? 1 : 0;
+
+			pShaderAPI->SetPixelShaderFogParams( PSREG_FOG_PARAMS );					
+
+			float vEyePos_SpecExponent[4];
+			pShaderAPI->GetWorldSpaceCameraPosition( vEyePos_SpecExponent );
+			vEyePos_SpecExponent[3] = 0.0f;
+			pShaderAPI->SetPixelShaderConstant( PSREG_EYEPOS_SPEC_EXPONENT, vEyePos_SpecExponent, 1 );
+
+#ifndef _X360
+			if ( !g_pHardwareConfig->HasFastVertexTextures() )
+#endif
+			{
+				DECLARE_DYNAMIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs20 );
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( DYNAMIC_LIGHT, 0 );	// Use simplest possible vertex lighting, since ps is so simple
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( STATIC_LIGHT_VERTEX, 0 );		//
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( STATIC_LIGHT_LIGHTMAP, 0);		//
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( DOWATERFOG, fogIndex );
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( SKINNING, 0 );
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( LIGHTING_PREVIEW, 0 );
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( COMPRESSED_VERTS, (int)vertexCompression );
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( NUM_LIGHTS, 0 );
+				SET_DYNAMIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs20 );
+
+				if( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+				{
+					DECLARE_DYNAMIC_PIXEL_SHADER( decalmodulate_ps20b );
+					SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() );
+					SET_DYNAMIC_PIXEL_SHADER( decalmodulate_ps20b );
+				}
+				else
+				{
+					DECLARE_DYNAMIC_PIXEL_SHADER( decalmodulate_ps20 );
+					SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() );
+					SET_DYNAMIC_PIXEL_SHADER( decalmodulate_ps20 );
+				}
+			}
+#ifndef _X360
+			else
+			{
+				SetHWMorphVertexShaderState( VERTEX_SHADER_SHADER_SPECIFIC_CONST_6, VERTEX_SHADER_SHADER_SPECIFIC_CONST_7, SHADER_VERTEXTEXTURE_SAMPLER0 );
+
+				DECLARE_DYNAMIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs30 );
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( DYNAMIC_LIGHT, 0 );	// Use simplest possible vertex lighting, since ps is so simple
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( STATIC_LIGHT_VERTEX, 0 );		//
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( STATIC_LIGHT_LIGHTMAP, 0);		//
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( DOWATERFOG, fogIndex );
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( SKINNING, pShaderAPI->GetCurrentNumBones() > 0 );
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( LIGHTING_PREVIEW, 0 );
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( MORPHING, pShaderAPI->IsHWMorphingEnabled() );
+				SET_DYNAMIC_VERTEX_SHADER_COMBO( COMPRESSED_VERTS, (int)vertexCompression );
+				SET_DYNAMIC_VERTEX_SHADER( vertexlit_and_unlit_generic_vs30 );
+
+				DECLARE_DYNAMIC_PIXEL_SHADER( decalmodulate_ps30 );
+				SET_DYNAMIC_PIXEL_SHADER_COMBO( PIXELFOGTYPE, pShaderAPI->GetPixelFogCombo() );
+				SET_DYNAMIC_PIXEL_SHADER( decalmodulate_ps30 );
+
+				bool bUnusedTexCoords[3] = { false, false, !pShaderAPI->IsHWMorphingEnabled() };
+				pShaderAPI->MarkUnusedVertexFields( 0, 3, bUnusedTexCoords );
+			}
+#endif
+		}
+		Draw( );
+	}
+END_SHADER