1HEADmaster

1 files changed, 132 insertions, 0 deletions

diff --git a/materialsystem/stdshaders/motion_blur_dx9.cpp b/materialsystem/stdshaders/motion_blur_dx9.cpp
new file mode 100644
index 0000000..6af6ae9
--- /dev/null
+++ b/materialsystem/stdshaders/motion_blur_dx9.cpp
@@ -0,0 +1,132 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//===========================================================================//
+
+#include "BaseVSShader.h"
+#include "motion_blur_vs20.inc"
+#include "motion_blur_ps20.inc"
+#include "motion_blur_ps20b.inc"
+#include "convar.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+ConVar mat_motion_blur_percent_of_screen_max( "mat_motion_blur_percent_of_screen_max", "4.0" );
+
+DEFINE_FALLBACK_SHADER( MotionBlur, MotionBlur_dx9 )
+BEGIN_VS_SHADER_FLAGS( MotionBlur_dx9, "Motion Blur", SHADER_NOT_EDITABLE )
+	BEGIN_SHADER_PARAMS
+		SHADER_PARAM( MOTIONBLURINTERNAL, SHADER_PARAM_TYPE_VEC4, "[0 0 0 0]", "Internal motion blur value set by proxy" )
+	END_SHADER_PARAMS
+
+	SHADER_INIT_PARAMS()
+	{
+	}
+
+	SHADER_FALLBACK
+	{
+		if ( g_pHardwareConfig->GetDXSupportLevel() < 90 )
+		{
+			return "Wireframe";
+		}
+
+		return 0;
+	}
+
+	SHADER_INIT
+	{
+		if ( params[BASETEXTURE]->IsDefined() )
+		{
+			LoadTexture( BASETEXTURE, IsOSX() && g_pHardwareConfig->CanDoSRGBReadFromRTs() ? TEXTUREFLAGS_SRGB : 0 );
+		}
+	}
+
+	SHADER_DRAW
+	{
+		SHADOW_STATE
+		{
+			pShaderShadow->VertexShaderVertexFormat( VERTEX_POSITION, 1, 0, 0 );
+
+			// On OpenGL OSX, we must do sRGB reads and writes since these render targets are tagged as such
+			bool bForceSRGBReadsAndWrites = IsOSX() && g_pHardwareConfig->CanDoSRGBReadFromRTs();
+			
+			// NOTE: sRGB is disabled because of the NV8800 brokenness
+			pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
+			pShaderShadow->EnableSRGBRead( SHADER_SAMPLER0, bForceSRGBReadsAndWrites );
+			pShaderShadow->EnableSRGBWrite( bForceSRGBReadsAndWrites );
+
+			DECLARE_STATIC_VERTEX_SHADER( motion_blur_vs20 );
+			SET_STATIC_VERTEX_SHADER( motion_blur_vs20 );
+
+			if ( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+			{
+				DECLARE_STATIC_PIXEL_SHADER( motion_blur_ps20b );
+				SET_STATIC_PIXEL_SHADER( motion_blur_ps20b );
+			}
+			else
+			{
+				DECLARE_STATIC_PIXEL_SHADER( motion_blur_ps20 );
+				SET_STATIC_PIXEL_SHADER( motion_blur_ps20 );
+			}
+
+			pShaderShadow->EnableDepthWrites( false );
+			pShaderShadow->EnableAlphaWrites( false );
+		}
+
+		DYNAMIC_STATE
+		{
+			DECLARE_DYNAMIC_VERTEX_SHADER( motion_blur_vs20 );
+			SET_DYNAMIC_VERTEX_SHADER( motion_blur_vs20 );
+
+			// Bind textures
+			BindTexture( SHADER_SAMPLER0, BASETEXTURE );
+
+			// Get texture dimensions
+			ITexture *src_texture = params[BASETEXTURE]->GetTextureValue();
+			//int flTextureWidth = src_texture->GetActualWidth();
+			int flTextureHeight = src_texture->GetActualHeight();
+
+			// Percent of screen clamp
+			float vConst[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
+			vConst[0] = mat_motion_blur_percent_of_screen_max.GetFloat() / 100.0f;
+			pShaderAPI->SetPixelShaderConstant( 0, vConst, 1 );
+
+			// Set values from material proxy
+			pShaderAPI->SetPixelShaderConstant( 1, params[MOTIONBLURINTERNAL]->GetVecValue(), 1 );
+
+			// Quality based on screen resolution height
+			int nQuality = 1;
+			if ( flTextureHeight >= 1080 ) // 1080p and higher
+				nQuality = 3;
+			else if ( flTextureHeight >= 720 ) // 720p to 1080p
+				nQuality = 2;
+			else // Lower resolution than 720p
+				nQuality = 1;
+
+			if ( fabs( params[MOTIONBLURINTERNAL]->GetVecValue()[0] ) + fabs( params[MOTIONBLURINTERNAL]->GetVecValue()[1] ) +
+				 fabs( params[MOTIONBLURINTERNAL]->GetVecValue()[2] ) + fabs( params[MOTIONBLURINTERNAL]->GetVecValue()[3] ) == 0.0f )
+			{
+				// No motion blur this frame, so force quality to 0
+				nQuality = 0;
+			}
+
+			if ( g_pHardwareConfig->SupportsPixelShaders_2_b() )
+			{
+				DECLARE_DYNAMIC_PIXEL_SHADER( motion_blur_ps20b );
+				SET_DYNAMIC_PIXEL_SHADER_COMBO( QUALITY, nQuality );
+				SET_DYNAMIC_PIXEL_SHADER( motion_blur_ps20b );
+			}
+			else
+			{
+				DECLARE_DYNAMIC_PIXEL_SHADER( motion_blur_ps20 );
+				SET_DYNAMIC_PIXEL_SHADER_COMBO( QUALITY, nQuality );
+				SET_DYNAMIC_PIXEL_SHADER( motion_blur_ps20 );
+			}
+		}
+
+		Draw();
+	}
+END_SHADER