mirror of
https://github.com/hedge-dev/UnleashedRecomp.git
synced 2026-01-07 04:01:07 -06:00
76 lines
2.4 KiB
HLSL
76 lines
2.4 KiB
HLSL
#include "../../../tools/XenosRecomp/XenosRecomp/shader_common.h"
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#ifdef __spirv__
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#define g_ViewportSize vk::RawBufferLoad<float4>(g_PushConstants.PixelShaderConstants + 384, 0x10)
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#define g_offsets(INDEX) select((INDEX) < 74, vk::RawBufferLoad<float4>(g_PushConstants.PixelShaderConstants + (150 + min(INDEX, 73)) * 16, 0x10), 0.0)
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#define g_weights vk::RawBufferLoad<float4>(g_PushConstants.PixelShaderConstants + 2656, 0x10)
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#define s0_Texture2DDescriptorIndex vk::RawBufferLoad<uint>(g_PushConstants.SharedConstants + 0)
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#define s0_SamplerDescriptorIndex vk::RawBufferLoad<uint>(g_PushConstants.SharedConstants + 192)
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#else
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cbuffer PixelShaderConstants : register(b1, space4)
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{
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float4 g_ViewportSize : packoffset(c24);
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float4 g_offsets[2] : packoffset(c150);
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#define g_offsets(INDEX) select((INDEX) < 74, g_offsets[min(INDEX, 73)], 0.0)
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float4 g_weights : packoffset(c166);
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};
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cbuffer SharedConstants : register(b2, space4)
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{
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uint s0_Texture2DDescriptorIndex : packoffset(c0.x);
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uint s0_SamplerDescriptorIndex : packoffset(c12.x);
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DEFINE_SHARED_CONSTANTS();
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};
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#endif
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#ifdef __INTELLISENSE__
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#define KERNEL_SIZE 5
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#endif
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#define PI 3.14159265358979323846
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float ComputeWeight(float x)
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{
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float std = 0.952;
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return exp(-(x * x) / (2.0 * std * std)) / (std * sqrt(2.0 * PI));
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}
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float4 main(in float4 iPosition : SV_Position, in float4 iTexCoord0 : TEXCOORD0) : SV_Target
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{
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Texture2D<float4> texture = g_Texture2DDescriptorHeap[s0_Texture2DDescriptorIndex];
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SamplerState samplerState = g_SamplerDescriptorHeap[s0_SamplerDescriptorIndex];
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float scale;
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if ((g_ViewportSize.x * g_ViewportSize.w) >= (16.0 / 9.0))
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scale = g_ViewportSize.y / 360.0;
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else
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scale = g_ViewportSize.x / 640.0;
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float2 offsets[3];
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offsets[0] = g_offsets(0).xy * scale;
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offsets[1] = g_offsets(0).zw * scale;
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offsets[2] = g_offsets(1).xy * scale;
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float4 color = 0.0;
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float weightSum = 0.0;
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[unroll]
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for (int i = 0; i < KERNEL_SIZE; i++)
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{
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float step = i / float(KERNEL_SIZE - 1);
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float scaled = step * 2;
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float2 offset = lerp(offsets[int(scaled)], offsets[min(int(scaled) + 1, 2)], frac(scaled));
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float offsetScale = 1.0 / 0.75;
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float weight = ComputeWeight(lerp(-offsetScale, offsetScale, step));
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color += texture.SampleLevel(samplerState, iTexCoord0.xy + offset, 0) * weight;
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weightSum += weight;
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}
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return color / weightSum;
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}
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