79 lines
2.1 KiB
PostScript
79 lines
2.1 KiB
PostScript
#if ( defined(MSAA_ALPHATEST_DX10_1_ATOC) || defined(MSAA_ALPHATEST_DX10_1) )
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#define EXTEND_F_DEFFER
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#endif
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#include "common.h"
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#include "sload.h"
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struct p_particle
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{
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float4 color : COLOR0;
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p_flat base;
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};
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#ifdef MSAA_ALPHATEST_DX10_1_ATOC
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f_deffer main ( p_particle II, float4 pos2d : SV_Position )
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#else // MSAA_ALPHATEST_DX10_1_ATOC
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f_deffer main ( p_particle II )
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#endif // MSAA_ALPHATEST_DX10_1_ATOC
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{
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f_deffer O;
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p_flat I; I=II.base;
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// 1. Base texture + kill pixels with low alpha
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// float4 D = tex2D (s_base, I.tcdh);
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#if defined(MSAA_ALPHATEST_DX10_1)
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uint mask = 0x0;
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float2 ddx_base = ddx( I.tcdh );
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float2 ddy_base = ddy( I.tcdh );
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float2 pixeloffset = MSAAOffsets[0]*(1.0/16.0);
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float2 texeloffset = pixeloffset.x * ddx_base + pixeloffset.y * ddy_base;
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float4 D = s_base.Sample( smp_base, I.tcdh + texeloffset );
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D *= II.color;
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if( D.w-def_aref >= 0 ) mask |= 0x1;
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[unroll] for( int i = 1; i < MSAA_SAMPLES; ++i )
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{
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pixeloffset = MSAAOffsets[i]*(1.0/16.0);
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texeloffset = pixeloffset.x * ddx_base + pixeloffset.y * ddy_base;
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float4 DI = s_base.Sample( smp_base, I.tcdh+ texeloffset );
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DI *= II.color;
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if( DI.w-def_aref >= 0 ) mask |= ( uint(0x1) << i );
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}
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if( mask == 0x0 )
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discard;
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#else
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float4 D = s_base.Sample( smp_base, I.tcdh);
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D *= II.color;
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#ifdef MSAA_ALPHATEST_DX10_1_ATOC
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float alpha = (D.w-def_aref*0.5f)/(1-def_aref*0.5f);
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uint mask = alpha_to_coverage ( alpha, pos2d );
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#else // MSAA_ALPHATEST_DX10_1_ATOC
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clip (D.w-def_aref);
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#endif // MSAA_ALPHATEST_DX10_1_ATOC
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#endif
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// 2. Standart output
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float4 Ne = float4 (normalize((float3)I.N.xyz) , I.position.w );
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#ifndef EXTEND_F_DEFFER
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O = pack_gbuffer(
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Ne,
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float4 (I.position.xyz + Ne.xyz*def_virtualh/2.h , xmaterial ),
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float4 (D.xyz, def_gloss) ); // OUT: rgb.gloss
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#else
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O = pack_gbuffer(
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Ne,
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float4 (I.position.xyz + Ne.xyz*def_virtualh/2.h , xmaterial ),
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float4 (D.xyz, def_gloss),
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mask ); // OUT: rgb.gloss
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#endif
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return O;
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}
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