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fixed accumulation angle + initial shadow jitter

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WoMspace
2023-01-19 21:37:27 +00:00
parent d5503d4a22
commit dd4e5f2e98
9 changed files with 46 additions and 9 deletions
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40
shaders/shadow.vsh
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@ -11,6 +11,11 @@ Read the terms of modification and sharing before changing something below pleas
#include "lib/settings.glsl"
#include "lib/Shadow_Params.glsl"
#include "/lib/bokeh.glsl"
uniform int frameCounter;
uniform float screenBrightness;
uniform mat4 gbufferProjectionInverse;
#define SHADOW_MAP_BIAS 0.5
const float PI = 3.1415927;
varying vec2 texcoord;
@ -94,6 +99,38 @@ void main() {
vec3 position = mat3(gl_ModelViewMatrix) * vec3(gl_Vertex) + gl_ModelViewMatrix[3].xyz;
// HHHHHHHHH ITS THE JITTER DOF HERE TO SAY HELLO
// It turns out 'position' above is just viewPos lmao
#ifdef DOF_JITTER_SHADOW
// This is in CLIP SPACE
vec2 jitter = clamp(jitter_offsets[frameCounter % 64], -1.0, 1.0);
jitter = rotate(radians(frameCounter)) * jitter;
jitter.y *= aspectRatio;
jitter.x *= DOF_ANAMORPHIC_RATIO;
// SHADOW CLIP SPACE => CLIP SPACE
// vec3 shadowViewPos = (shadowProjectionInverse * position).xyz;
// vec3 feetPlayerPos = (shadowModelViewInverse * vec4(shadowViewPos, 1.0)).xyz;
// vec3 viewPos = (gbufferModelView * vec4(feetPlayerPos, 1.0)).xyz;
vec4 clipPos = gbufferProjection * vec4(position, 1.0);
// Calculate the distance from the fulcrum [CLIP SPACE]
#if DOF_JITTER_FOCUS < 0
float jitterMul = clipPos.z - mix(pow(512.0, screenBrightness), 512.0 * screenBrightness, 0.25);
#else
float jitterMul = clipPos.z - DOF_JITTER_FOCUS;
#endif
// Apply jitter [CLIP SPACE]
clipPos.xy += jitter.xy * jitterMul * JITTER_STRENGTH * 1e-2;
// CLIP SPACE => SHADOW CLIP SPACE
position = (gbufferProjectionInverse * clipPos).xyz;
// feetPlayerPos = (gbufferModelViewInverse * vec4(viewPos, 1.0)).xyz;
// shadowViewPos = (shadowModelView * vec4(feetPlayerPos, 1.0)).xyz;
// position = gl_ProjectionMatrix * vec4(shadowViewPos, 1.0);
#endif
//Check if the vertice is going to cast shadows
// #ifdef SHADOW_FRUSTRUM_CULLING
@ -119,9 +156,8 @@ void main() {
// gl_Position = BiasShadowProjection_altered(toClipSpace3(position),mat3(shadowProjection),mat3(shadowModelView), gl_NormalMatrix * gl_Normal);
gl_Position = BiasShadowProjection(toClipSpace3(position));
gl_Position.z /= 6.0;
gl_Position.z /= 6.0;
texcoord.xy = gl_MultiTexCoord0.xy;