diff options
Diffstat (limited to 'materialsystem/stdshaders/common_lightmappedgeneric_fxc.h')
| -rw-r--r-- | materialsystem/stdshaders/common_lightmappedgeneric_fxc.h | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/common_lightmappedgeneric_fxc.h b/materialsystem/stdshaders/common_lightmappedgeneric_fxc.h new file mode 100644 index 0000000..aa67074 --- /dev/null +++ b/materialsystem/stdshaders/common_lightmappedgeneric_fxc.h @@ -0,0 +1,202 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// + + +#if defined( _X360 ) + +void GetBaseTextureAndNormal( sampler base, sampler base2, sampler bump, bool bBase2, bool bBump, float3 coords, float3 vWeights, + out float4 vResultBase, out float4 vResultBase2, out float4 vResultBump ) +{ + vResultBase = 0; + vResultBase2 = 0; + vResultBump = 0; + + if ( !bBump ) + { + vResultBump = float4(0, 0, 1, 1); + } + +#if SEAMLESS + + vWeights = max( vWeights - 0.3, 0 ); + + vWeights *= 1.0f / dot( vWeights, float3(1,1,1) ); + + [branch] + if (vWeights.x > 0) + { + vResultBase += vWeights.x * tex2D( base, coords.zy ); + + if ( bBase2 ) + { + vResultBase2 += vWeights.x * tex2D( base2, coords.zy ); + } + + if ( bBump ) + { + vResultBump += vWeights.x * tex2D( bump, coords.zy ); + } + } + + [branch] + if (vWeights.y > 0) + { + vResultBase += vWeights.y * tex2D( base, coords.xz ); + + if ( bBase2 ) + { + vResultBase2 += vWeights.y * tex2D( base2, coords.xz ); + } + if ( bBump ) + { + vResultBump += vWeights.y * tex2D( bump, coords.xz ); + } + } + + [branch] + if (vWeights.z > 0) + { + vResultBase += vWeights.z * tex2D( base, coords.xy ); + if ( bBase2 ) + { + vResultBase2 += vWeights.z * tex2D( base2, coords.xy ); + } + + if ( bBump ) + { + vResultBump += vWeights.z * tex2D( bump, coords.xy ); + } + } + +#else // not seamless + + vResultBase = tex2D( base, coords.xy ); + + if ( bBase2 ) + { + vResultBase2 = tex2D( base2, coords.xy ); + } + + if ( bBump ) + { + vResultBump = tex2D( bump, coords.xy ); + } + +#endif + + +} + +#else // PC + +void GetBaseTextureAndNormal( sampler base, sampler base2, sampler bump, bool bBase2, bool bBump, float3 coords, float3 vWeights, + out float4 vResultBase, out float4 vResultBase2, out float4 vResultBump ) +{ + vResultBase = 0; + vResultBase2 = 0; + vResultBump = 0; + + if ( !bBump ) + { + vResultBump = float4(0, 0, 1, 1); + } + +#if SEAMLESS + + vResultBase += vWeights.x * tex2D( base, coords.zy ); + if ( bBase2 ) + { + vResultBase2 += vWeights.x * tex2D( base2, coords.zy ); + } + if ( bBump ) + { + vResultBump += vWeights.x * tex2D( bump, coords.zy ); + } + + vResultBase += vWeights.y * tex2D( base, coords.xz ); + if ( bBase2 ) + { + vResultBase2 += vWeights.y * tex2D( base2, coords.xz ); + } + if ( bBump ) + { + vResultBump += vWeights.y * tex2D( bump, coords.xz ); + } + + vResultBase += vWeights.z * tex2D( base, coords.xy ); + if ( bBase2 ) + { + vResultBase2 += vWeights.z * tex2D( base2, coords.xy ); + } + if ( bBump ) + { + vResultBump += vWeights.z * tex2D( bump, coords.xy ); + } + +#else // not seamless + + vResultBase = tex2D( base, coords.xy ); + if ( bBase2 ) + { + vResultBase2 = tex2D( base2, coords.xy ); + } + if ( bBump ) + { + vResultBump = tex2D( bump, coords.xy ); + } +#endif + +} + +#endif + + + + +float3 LightMapSample( sampler LightmapSampler, float2 vTexCoord ) +{ +# if ( !defined( _X360 ) || !defined( USE_32BIT_LIGHTMAPS_ON_360 ) ) + { + float3 sample = tex2D( LightmapSampler, vTexCoord ); + + return sample; + } +# else + { +# if 0 //1 for cheap sampling, 0 for accurate scaling from the individual samples + { + float4 sample = tex2D( LightmapSampler, vTexCoord ); + + return sample.rgb * sample.a; + } +# else + { + float4 Weights; + float4 samples_0; //no arrays allowed in inline assembly + float4 samples_1; + float4 samples_2; + float4 samples_3; + + asm { + tfetch2D samples_0, vTexCoord.xy, LightmapSampler, OffsetX = -0.5, OffsetY = -0.5, MinFilter=point, MagFilter=point, MipFilter=keep, UseComputedLOD=false + tfetch2D samples_1, vTexCoord.xy, LightmapSampler, OffsetX = 0.5, OffsetY = -0.5, MinFilter=point, MagFilter=point, MipFilter=keep, UseComputedLOD=false + tfetch2D samples_2, vTexCoord.xy, LightmapSampler, OffsetX = -0.5, OffsetY = 0.5, MinFilter=point, MagFilter=point, MipFilter=keep, UseComputedLOD=false + tfetch2D samples_3, vTexCoord.xy, LightmapSampler, OffsetX = 0.5, OffsetY = 0.5, MinFilter=point, MagFilter=point, MipFilter=keep, UseComputedLOD=false + + getWeights2D Weights, vTexCoord.xy, LightmapSampler + }; + + Weights = float4( (1-Weights.x)*(1-Weights.y), Weights.x*(1-Weights.y), (1-Weights.x)*Weights.y, Weights.x*Weights.y ); + + float3 result; + 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); + + return result; + } +# endif + } +# endif +} + |