Justin Marshall
74 lines
2.6 KiB
Plaintext
74 lines
2.6 KiB
Plaintext
{
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parms {
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stageSort sortTrans
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}
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state {
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depthmask
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depthfunc GL_ALWAYS
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twosided
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}
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hlsl_vp {
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float4 position = vertex.position * $vertexXYZScale + $vertexXYZBias;
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result.position.x = dot4( position, $mvpMatrixX );
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result.position.y = dot4( position, $mvpMatrixY );
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result.position.z = dot4( position, $mvpMatrixZ );
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result.position.w = dot4( position, $mvpMatrixW );
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result.texcoord0 = float4( vertex.texcoord0.x * $vertexStScaleBias.x + $vertexStScaleBias.z, vertex.texcoord0.y * $vertexStScaleBias.y + $vertexStScaleBias.w, 0, 0 );
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result.color = swizzleColor( vertex.color );
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result.texcoord1 = swizzleColor( vertex.tangent ) * _float4( 2.0 ) - _float4( 1.0 );
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}
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hlsl_fp {
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//-------- non-wrapping virtual texture lookup ------------
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float2 texcoord = saturate( fragment.texcoord0.xy ) * $virtualMapping.xy + $virtualMapping.zw;
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float3 physCoord = VmtrVirtualToPhysical( texcoord );
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//---------------------------------------------------------------
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// load the virtual textures
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//---------------------------------------------------------------
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#ifdef XBOX
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// Weird, low-level hardware issues give occasional horizontal and vertical
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// quad-lines of crap with the virtualized gui images if the anisotropic
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// filter isn't explicitly disabled.
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half4 YCoCg;
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half4 bumpPage;
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asm {
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tfetch2D YCoCg, physCoord.xy, $physicalVmtrPagesMap1, AnisoFilter = disabled
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tfetch2D bumpPage, physCoord.xy, $physicalVmtrPagesMap2, AnisoFilter = disabled
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};
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#else
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#ifdef USE_VIRTUAL_ANISO_FOOTPRINT
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float2 dx = ddx( texcoord.xy ) * physCoord.z;
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float2 dy = ddy( texcoord.xy ) * physCoord.z;
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half4 YCoCg = tex2D( $physicalVmtrPagesMap1, physCoord.xy, dx, dy );
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half4 bumpPage = tex2D( $physicalVmtrPagesMap2, physCoord.xy, dx, dy );
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#else
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half4 YCoCg = tex2D( $physicalVmtrPagesMap1, physCoord.xy );
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half4 bumpPage = tex2D( $physicalVmtrPagesMap2, physCoord.xy );
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#endif
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#endif
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YCoCg.z = ( YCoCg.z * 31.875 ) + 1.0; //z = z * 255.0/8.0 + 1.0
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YCoCg.z = 1.0 / YCoCg.z;
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YCoCg.xy *= YCoCg.z;
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half4 diffuse;
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diffuse.x = dot4( YCoCg, matrixCoCg1YtoRGB1X );
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diffuse.y = dot4( YCoCg, matrixCoCg1YtoRGB1Y );
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diffuse.z = dot4( YCoCg, matrixCoCg1YtoRGB1Z );
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diffuse.w = bumpPage.w; // virtualTransImage stores this here for best results
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// black level adjustment
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float scale = 1.0 - $cbBlackLevel.x;
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float bias = $cbBlackLevel.x;
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diffuse *= fragment.color;
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diffuse += fragment.texcoord1;
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// use fragment.color.w instead if diffuse.w so we don't apply the premultipled alpha twice.
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result.color.xyz = saturate( diffuse.xyz * scale + bias ) * fragment.color.w;
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result.color.w = diffuse.w;
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}
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} |