//////////////////////////////////////////////////////
|
// MK Glow Upsample //
|
// //
|
// Created by Michael Kremmel //
|
// www.michaelkremmel.de //
|
// Copyright © 2020 All rights reserved.
|
//
|
//////////////////////////////////////////////////////
|
|
#ifndef MK_GLOW_UPSAMPLE
|
#define MK_GLOW_UPSAMPLE
|
|
#include "../Inc/Common.hlsl"
|
|
#ifdef MK_BLOOM
|
UNIFORM_SAMPLER_AND_TEXTURE_2D(_BloomTex)
|
UNIFORM_SAMPLER_AND_TEXTURE_2D(_HigherMipBloomTex)
|
uniform float _BloomSpread;
|
uniform float2 _BloomTex_TexelSize;
|
uniform float2 _HigherMipBloomTex_TexelSize;
|
#endif
|
|
#if defined(MK_BLOOM)
|
#define VERT_GEO_OUTPUT VertGeoOutputAdvanced
|
#define BLOOM_SPREAD uv0.zw
|
#define LENS_FLARE_SPREAD uv0.zw
|
#else
|
#define VERT_GEO_OUTPUT VertGeoOutputSimple
|
#endif
|
|
VERT_GEO_OUTPUT vert (VertexInputOnlyPosition i0)
|
{
|
VERT_GEO_OUTPUT o;
|
UNITY_SETUP_INSTANCE_ID(i0);
|
UNITY_INITIALIZE_OUTPUT(VERT_GEO_OUTPUT, o);
|
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
|
|
o.pos = TransformMeshPos(i0.vertex);
|
o.uv0.xy = SetMeshUV(i0.vertex.xy);
|
|
#ifdef MK_BLOOM
|
o.BLOOM_SPREAD = BLOOM_TEXEL_SIZE * _BloomSpread;
|
#endif
|
|
return o;
|
}
|
|
#define HEADER FragmentOutputAuto frag (VERT_GEO_OUTPUT o)
|
|
HEADER
|
{
|
UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(o);
|
|
FragmentOutputAuto fO;
|
UNITY_INITIALIZE_OUTPUT(FragmentOutputAuto, fO);
|
|
#ifdef MK_BLOOM
|
half4 bloom = 0;
|
|
bloom = UpsampleLQ(PASS_TEXTURE_2D(_BloomTex, sampler_BloomTex), BLOOM_UV, BLOOM_UPSAMPLE_SPREAD);
|
bloom += half4(SampleTex2D(PASS_TEXTURE_2D(_HigherMipBloomTex, sampler_HigherMipBloomTex), BLOOM_UV).rgb, 0);
|
BLOOM_RENDER_TARGET = bloom;
|
#endif
|
|
return fO;
|
}
|
#endif
|
