1HEADmaster

1 files changed, 102 insertions, 0 deletions

diff --git a/materialsystem/stdshaders/rift_dx8.cpp b/materialsystem/stdshaders/rift_dx8.cpp
new file mode 100644
index 0000000..cb60c15
--- /dev/null
+++ b/materialsystem/stdshaders/rift_dx8.cpp
@@ -0,0 +1,102 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Header: $
+// $NoKeywords: $
+//===========================================================================//
+
+#include "BaseVSShader.h"
+#include "rift_vs11.inc"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+BEGIN_VS_SHADER( Rift_DX8, 
+			  "Help for Rift_DX8" )
+			  
+	BEGIN_SHADER_PARAMS
+		SHADER_PARAM( TEXTURE2, SHADER_PARAM_TYPE_TEXTURE, "shadertest/BaseTexture", "second texture" )
+		SHADER_PARAM( FRAME2, SHADER_PARAM_TYPE_INTEGER, "0", "frame number for $texture2" )
+		SHADER_PARAM( TEXTURE2TRANSFORM, SHADER_PARAM_TYPE_MATRIX, "center .5 .5 scale 1 1 rotate 0 translate 0 0", "$texture2 texcoord transform" )
+	END_SHADER_PARAMS
+
+	SHADER_INIT_PARAMS()	
+	{
+		SET_FLAGS2( MATERIAL_VAR2_SUPPORTS_HW_SKINNING );
+	}
+
+	SHADER_INIT
+	{
+		if (params[BASETEXTURE]->IsDefined())
+		{
+			LoadTexture( BASETEXTURE );
+		}
+		if (params[TEXTURE2]->IsDefined())
+		{
+			LoadTexture( TEXTURE2 );
+		}
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			pShaderShadow->EnableTexture( SHADER_TEXTURE_STAGE0, true );
+			pShaderShadow->EnableTexture( SHADER_TEXTURE_STAGE1, true );
+
+			// Either we've got a constant modulation
+			bool isTranslucent = IsAlphaModulating();
+
+			// Or we've got a texture alpha on either texture
+			isTranslucent = isTranslucent || TextureIsTranslucent( BASETEXTURE, true ) ||
+				TextureIsTranslucent( TEXTURE2, true );
+
+			if ( isTranslucent )
+			{
+				if ( IS_FLAG_SET(MATERIAL_VAR_ADDITIVE) )
+				{
+					EnableAlphaBlending( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE );
+				}
+				else
+				{
+					EnableAlphaBlending( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE_MINUS_SRC_ALPHA );
+				}
+			}
+			else
+			{
+				if ( IS_FLAG_SET(MATERIAL_VAR_ADDITIVE) )
+				{
+					EnableAlphaBlending( SHADER_BLEND_ONE, SHADER_BLEND_ONE );
+				}
+			}
+
+			int fmt = VERTEX_POSITION;
+			pShaderShadow->VertexShaderVertexFormat( fmt, 1, 0, 0 );
+			pShaderShadow->SetVertexShader( "rift_vs11", 0 );
+			pShaderShadow->SetPixelShader( "rift_ps11", 0 );
+
+			DefaultFog();
+		}
+		DYNAMIC_STATE
+		{
+			BindTexture( SHADER_TEXTURE_STAGE0, BASETEXTURE, FRAME );
+			pShaderAPI->SetTextureTransformDimension( 0, 3, true );
+
+			BindTexture( SHADER_TEXTURE_STAGE1, TEXTURE2, FRAME2 );
+			SetVertexShaderTextureTransform( VERTEX_SHADER_SHADER_SPECIFIC_CONST_1, TEXTURE2TRANSFORM );
+
+			// used to invert y
+			float c[4] = { 0.0f, 0.0f, 0.0f, -1.0f };
+			pShaderAPI->SetVertexShaderConstant( VERTEX_SHADER_SHADER_SPECIFIC_CONST_4, c, 1 );
+
+			SetModulationPixelShaderDynamicState( 0 );
+
+			rift_vs11_Dynamic_Index vshIndex;
+			vshIndex.SetDOWATERFOG( pShaderAPI->GetSceneFogMode() == MATERIAL_FOG_LINEAR_BELOW_FOG_Z );
+			vshIndex.SetSKINNING( pShaderAPI->GetCurrentNumBones() > 0 );
+			pShaderAPI->SetVertexShaderIndex( vshIndex.GetIndex() );
+		}
+		Draw();
+	}
+END_SHADER