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encode normal and albedo for translucents

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also a clean up the translucent gbuffer program a bit
This commit is contained in:
Xonk
2023-04-17 19:12:48 -04:00
parent e1c82709f0
commit 233056d61c
9 changed files with 371 additions and 554 deletions
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59
shaders/composite3.fsh
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@ -131,7 +131,6 @@ vec3 decode (vec2 encn){
n.xy = n.z <= 0.0 ? (1.0 - n.yx) * sign(encn) : encn;
return clamp(normalize(n.xyz),-1.0,1.0);
}
vec2 decodeVec2(float a){
const vec2 constant1 = 65535. / vec2( 256., 65536.);
const float constant2 = 256. / 255.;
@ -167,9 +166,10 @@ vec3 viewToWorld(vec3 viewPosition) {
}
void main() {
vec2 texcoord = gl_FragCoord.xy*texelSize;
/* DRAWBUFFERS:73 */
vec2 texcoord = gl_FragCoord.xy*texelSize;
vec4 trpData = texture2D(colortex7,texcoord);
bool iswater = trpData.a > 0.99;
@ -186,24 +186,21 @@ void main() {
// vec4 vl = texture2D(colortex0,texcoord * 0.5);
vec4 data = texture2D(colortex11,texcoord); // translucents
vec4 dataUnpacked0 = vec4(decodeVec2(data.x),decodeVec2(data.y));
vec4 dataUnpacked1 = vec4(decodeVec2(data.z),decodeVec2(data.w));
vec3 normals = mat3(gbufferModelViewInverse) * worldToView(decode(dataUnpacked0.yw) );
////// --------------- UNPACK TRANSLUCENT GBUFFERS --------------- //////
vec4 data_terrain = texture2D(colortex1,texcoord); // terraom
vec4 dataUnpacked1_terrain = vec4(decodeVec2(data_terrain.z),decodeVec2(data_terrain.w));
vec3 data = texture2D(colortex11,texcoord).rgb;
bool hand = (abs(dataUnpacked1_terrain.w-0.75) < 0.01);
vec4 unpack0 = vec4(decodeVec2(data.r),decodeVec2(data.g)) ;
vec4 unpack1 = vec4(decodeVec2(data.b),0,0) ;
vec2 tangentNormals = unpack0.xy*2.0-1.0;
vec4 albedo = vec4(unpack0.ba,unpack1.rg);
vec4 TranslucentShader = texture2D(colortex2,texcoord);
float lightleakfix = clamp((eyeBrightnessSmooth.y )/240.0,0.0,1.0);
float rainDrops = clamp(texture2D(colortex9,texcoord).a, 0.0,1.0); // bloomy rain effect
vec4 Translucent_Programs = texture2D(colortex2,texcoord); // the shader for all translucent progams.
vec2 tempOffset = TAA_Offset;
vec3 fragpos = toScreenSpace(vec3(texcoord/RENDER_SCALE-vec2(tempOffset)*texelSize*0.5,z));
@ -213,19 +210,15 @@ void main() {
vec2 refractedCoord = texcoord;
float glassdepth = clamp((ld(z2) - ld(z)) * 0.5,0.0,0.15);
#ifdef Refraction
refractedCoord += (normals.xy * glassdepth) * RENDER_SCALE;
float refractedalpha = texture2D(colortex13,refractedCoord).a;
if(refractedalpha <= 0.0) refractedCoord = texcoord; // remove refracted coords on solids
refractedCoord += (tangentNormals * clamp((ld(z2) - ld(z)) * 0.5,0.0,0.15)) * RENDER_SCALE;
if(decodeVec2(texture2D(colortex11,refractedCoord).b).g < 0.01 ) refractedCoord = texcoord; // remove refracted coords on solids
#endif
// underwater squiggles
// if(isEyeInWater == 1 && !iswater) refractedCoord = texcoord + pow(texture2D(noisetex,texcoord - vec2(0,frameTimeCounter/25)).b - 0.5, 2.0)*0.05;
/// --- MAIN COLOR BUFFER --- ///
// it is sampled with distorted texcoords
vec3 color = texture2D(colortex3,refractedCoord).rgb;
#ifdef BorderFog
@ -233,18 +226,18 @@ void main() {
float fog = 1.0 - clamp(exp(-pow(length(fragpos / far),10.)*4.0) ,0.0,1.0);
float heightFalloff = clamp( pow(abs(np3.y-1.01),5) ,0,1) ;
if(z < 1.0 && isEyeInWater == 0) color.rgb = mix(color.rgb, sky, fog*heightFalloff* lightleakfix);
if(z < 1.0 && isEyeInWater == 0) color.rgb = mix(color.rgb, sky, fog * heightFalloff* lightleakfix);
#endif
vec4 vl = BilateralUpscale(colortex0,depthtex1,gl_FragCoord.xy,frDepth, vec2(0.0));
vec4 vl = BilateralUpscale(colortex0, depthtex1, gl_FragCoord.xy, frDepth, vec2(0.0));
if (Translucent_Programs.a > 0.0){
if (TranslucentShader.a > 0.0){
#ifdef Glass_Tint
vec3 GlassAlbedo = texture2D(colortex13,texcoord).rgb * 5.0;
color = color*GlassAlbedo.rgb + color * clamp(pow(1.0-luma(GlassAlbedo.rgb),10.),0.0,1.0);
// if(albedo.a < 0) color = color*albedo.rgb + color * clamp(pow(1.0-luma(albedo.rgb),10.),0.0,1.0);
if(albedo.a > 0.2) color = color*albedo.rgb + color * clamp(pow(1.0-luma(albedo.rgb),20.),0.0,1.0);
#endif
color = color*(1.0-Translucent_Programs.a) + Translucent_Programs.rgb;
color = color*(1.0-TranslucentShader.a) + TranslucentShader.rgb;
#ifdef BorderFog
if(z < 1.0 && isEyeInWater == 0) color.rgb = mix(color.rgb, sky, fog * heightFalloff * lightleakfix);
@ -271,10 +264,12 @@ void main() {
vl.a *= fogfade*0.70+0.3 ;
}
color *= vl.a;
color += vl.rgb;
float rainDrops = clamp(texture2D(colortex9,texcoord).a, 0.0,1.0); // bloomy rain effect
if(rainDrops > 0.0) vl.a *= clamp(exp2(-rainDrops*5),0.,1.); // bloomy rain effect
gl_FragData[0].r = vl.a;
@ -300,6 +295,10 @@ void main() {
if(texcoord.x < 0.45 ) color.rgb = texture2D(colortex4,movedTC).rgb / 150. * 5.0;
#endif
gl_FragData[1].rgb = clamp(color.rgb,0.0,68000.0);
// gl_FragData[1].rgb = vec3(albedo.rgb*albedo.a);
// if(texcoord.x > 0.5) gl_FragData[1].rgb = vec3(tangentNormals,0.0);
}