65 lines
2.1 KiB
PostScript
65 lines
2.1 KiB
PostScript
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#include "common.h"
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#include "night_vision.h"
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struct v2p
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{
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float4 factor : COLOR0; // for SM3 - factor.rgb - tonemap-prescaled
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float3 tc0 : TEXCOORD0;
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float3 tc1 : TEXCOORD1;
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float4 sv : SV_Position;
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};
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struct _out
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{
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float4 low : SV_Target0;
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float4 high : SV_Target1;
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};
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TextureCube s_sky0 :register(t0);
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TextureCube s_sky1 :register(t1);
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//////////////////////////////////////////////////////////////////////////////////////////
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// Pixel
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_out main( v2p I )
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{
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float3 s0 = s_sky0.Sample( smp_rtlinear, I.tc0 );
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float3 s1 = s_sky1.Sample( smp_rtlinear, I.tc1 );
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float3 sky = lerp (s0,s1,I.factor.w);
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sky *= I.factor.rgb;
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// final tone-mapping
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_out o;
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tonemap(o.low, o.high, sky, 1 ) ; //factor contains tonemapping
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float2 texturecoord = I.sv.xy / screen_res.xy;
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float2 texturecoord_2 = I.sv.xy / screen_res.xy;
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float lua_param_nvg_generation = floor(shader_param_8.x); // 1, 2, or 3
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float lua_param_nvg_num_tubes = frac(shader_param_8.x) * 10.0f; // 1, 2, 4, 1.1, or 1.2
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float lua_param_nvg_gain_current = floor(shader_param_8.y) / 10.0f;
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float lua_param_vignette_current = floor(shader_param_8.z) / 100.0f;
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if (lua_param_nvg_generation > 0 && ((compute_lens_mask(aspect_ratio_correction(texturecoord), lua_param_nvg_num_tubes) == 1.0f || compute_lens_mask(aspect_ratio_correction(texturecoord_2), lua_param_nvg_num_tubes) == 1.0f)))
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{
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o.low.r = dot(o.low.rgb * 5.0f, luma_conversion_coeff);
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o.high.r = dot(o.high.rgb * 5.0f, luma_conversion_coeff);
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o.low.gb = 0.0f;
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o.high.gb = 0.0f;
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o.low *= lua_param_nvg_gain_current * sky_brightness_factor;
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o.high *= lua_param_nvg_gain_current * sky_brightness_factor;
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o.high = clamp(o.high,0.0,1.0);
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o.low= clamp(o.low,0.0,1.0);
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float vignette = calc_vignette(lua_param_nvg_num_tubes, texturecoord, lua_param_vignette_current);
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float vignette_2 = calc_vignette(lua_param_nvg_num_tubes, texturecoord_2, lua_param_vignette_current);
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o.low *= (vignette * vignette_2);
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o.high *= (vignette * vignette_2);
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}
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return o;
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}
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