1 files changed, 81 insertions, 0 deletions
diff --git a/sp/src/materialsystem/stdshaders/sky_hdr_compressed_rgbs_ps2x.fxc b/sp/src/materialsystem/stdshaders/sky_hdr_compressed_rgbs_ps2x.fxc
new file mode 100644
index 00000000..4871da56
--- /dev/null
+++ b/sp/src/materialsystem/stdshaders/sky_hdr_compressed_rgbs_ps2x.fxc
@@ -0,0 +1,81 @@
+// STATIC: "CONVERT_TO_SRGB"			"0..1"	[ps20b][= g_pHardwareConfig->NeedsShaderSRGBConversion()] [PC]
+// STATIC: "CONVERT_TO_SRGB"			"0..0"	[= 0] [XBOX]
+// DYNAMIC: "WRITE_DEPTH_TO_DESTALPHA"	"0..1"	[ps20b] [PC]
+// DYNAMIC: "WRITE_DEPTH_TO_DESTALPHA"	"0..0"	[ps20b] [XBOX]
+#include "common_ps_fxc.h"
+
+#if defined( SHADER_MODEL_PS_2_0 )
+#	define WRITE_DEPTH_TO_DESTALPHA 0
+#endif
+
+sampler RGBSTextureSampler	: register( s0 );
+HALF4 InputScale : register( c0 );
+
+float2 texWidthHeight : register( c1 );
+
+float4 texOffsets : register( c2 );
+
+struct PS_INPUT
+{
+//#if defined( _X360 )
+//	float2 baseTexCoord		: TEXCOORD0;
+//#else
+	float2 baseTexCoord00 : TEXCOORD0;
+	float2 baseTexCoord01 : TEXCOORD1;
+	float2 baseTexCoord10 : TEXCOORD2;
+	float2 baseTexCoord11 : TEXCOORD3;
+	float2 baseTexCoord_In_Pixels: TEXCOORD4;
+//#endif
+};
+
+float4 main( PS_INPUT i ) : COLOR
+{
+	float3 result;
+	
+//#if defined( _X360 ) //360 has a cheaper way to handle RGBscale
+//	float4 Weights;
+//	float4 samples_0; //no arrays allowed in inline assembly
+//	float4 samples_1;
+//	float4 samples_2;
+//	float4 samples_3;
+//	float2 vTexCoord = i.baseTexCoord;
+//	
+//	asm {
+//		tfetch2D samples_0, vTexCoord.xy, RGBSTextureSampler, OffsetX = -0.5, OffsetY = -0.5, MinFilter=point, MagFilter=point, MipFilter=keep, UseComputedLOD=false
+//		tfetch2D samples_1, vTexCoord.xy, RGBSTextureSampler, OffsetX =  0.5, OffsetY = -0.5, MinFilter=point, MagFilter=point, MipFilter=keep, UseComputedLOD=false
+//		tfetch2D samples_2, vTexCoord.xy, RGBSTextureSampler, OffsetX = -0.5, OffsetY =  0.5, MinFilter=point, MagFilter=point, MipFilter=keep, UseComputedLOD=false
+//		tfetch2D samples_3, vTexCoord.xy, RGBSTextureSampler, OffsetX =  0.5, OffsetY =  0.5, MinFilter=point, MagFilter=point, MipFilter=keep, UseComputedLOD=false
+//
+//		getWeights2D Weights, vTexCoord.xy, RGBSTextureSampler
+//	};
+//
+//	Weights = float4( (1-Weights.x)*(1-Weights.y), Weights.x*(1-Weights.y), (1-Weights.x)*Weights.y, Weights.x*Weights.y );
+//
+//	result.rgb = samples_0.rgb * (samples_0.a * Weights.x);
+//	result.rgb += samples_1.rgb * (samples_1.a * Weights.y);
+//	result.rgb += samples_2.rgb * (samples_2.a * Weights.z);
+//	result.rgb += samples_3.rgb * (samples_3.a * Weights.w);
+//	
+//#else
+	float4 s00 = tex2D(RGBSTextureSampler, i.baseTexCoord00); 
+	float4 s10 = tex2D(RGBSTextureSampler, i.baseTexCoord10); 
+	float4 s01 = tex2D(RGBSTextureSampler, i.baseTexCoord01); 
+	float4 s11 = tex2D(RGBSTextureSampler, i.baseTexCoord11); 
+	
+	float2 fracCoord = frac(i.baseTexCoord_In_Pixels);
+
+	s00.rgb*=s00.a;
+	s10.rgb*=s10.a;
+
+	s00.xyz = lerp(s00, s10, fracCoord.x); 
+	
+	s01.rgb*=s01.a;
+	s11.rgb*=s11.a;
+	s01.xyz = lerp(s01, s11, fracCoord.x); 
+	
+	result = lerp(s00, s01, fracCoord.y); 
+//#endif
+ 
+	// This is never fogged.
+	return FinalOutput( float4( InputScale*result, 1.0f ), 0, PIXEL_FOG_TYPE_NONE, TONEMAP_SCALE_LINEAR, WRITE_DEPTH_TO_DESTALPHA, 1e20 ); //when writing depth to dest alpha, write a value guaranteed to saturate
+}