INTERNAL REWORK. testers are needed.

shaders/dimensions/deferred2.fsh

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+
+//#extension GL_EXT_gpu_shader4 : disable
+#include "/lib/settings.glsl"
+//Computes volumetric clouds at variable resolution (default 1/4 res)
+
+
+
+flat varying vec3 sunColor;
+flat varying vec3 moonColor;
+
+flat varying vec3 averageSkyCol;
+
+
+
+flat varying float tempOffsets;
+// uniform float far;
+uniform float near;
+uniform sampler2D depthtex0;
+// uniform sampler2D colortex4;
+uniform sampler2D noisetex;
+
+flat varying vec3 WsunVec;
+uniform vec3 sunVec;
+uniform vec2 texelSize;
+uniform float frameTimeCounter;
+uniform float rainStrength;
+uniform int frameCounter;
+uniform int framemod8;
+uniform mat4 gbufferProjectionInverse;
+uniform mat4 gbufferModelViewInverse;
+uniform vec3 cameraPosition;
+
+uniform mat4 gbufferModelView;
+// flat varying vec2 TAA_Offset;
+
+
+vec3 toScreenSpace(vec3 p) {
+	vec4 iProjDiag = vec4(gbufferProjectionInverse[0].x, gbufferProjectionInverse[1].y, gbufferProjectionInverse[2].zw);
+    vec3 p3 = p * 2. - 1.;
+    vec4 fragposition = iProjDiag * p3.xyzz + gbufferProjectionInverse[3];
+    return fragposition.xyz / fragposition.w;
+}
+float R2_dither(){
+	vec2 alpha = vec2(0.75487765, 0.56984026);
+	return fract(alpha.x * gl_FragCoord.x + alpha.y * gl_FragCoord.y + 1.0/1.6180339887 * frameCounter);
+}
+float R2_dither2(){
+	vec2 alpha = vec2(0.75487765, 0.56984026);
+	return fract(alpha.x * (1.0-gl_FragCoord.x) + alpha.y * (1.0-gl_FragCoord.y) + 1.0/1.6180339887 * frameCounter);
+}
+float interleaved_gradientNoise(){
+	vec2 alpha = vec2(0.75487765, 0.56984026);
+	vec2 coord = vec2(alpha.x * gl_FragCoord.x,alpha.y * gl_FragCoord.y)+ 1.0/1.6180339887 * frameCounter;
+	float noise = fract(52.9829189*fract(0.06711056*coord.x + 0.00583715*coord.y));
+	return noise;
+}
+
+
+
+const vec2[8] offsets = vec2[8](vec2(1./8.,-3./8.),
+							vec2(-1.,3.)/8.,
+							vec2(5.0,1.)/8.,
+							vec2(-3,-5.)/8.,
+							vec2(-5.,5.)/8.,
+							vec2(-7.,-1.)/8.,
+							vec2(3,7.)/8.,
+							vec2(7.,-7.)/8.);
+float blueNoise(){
+  return fract(texelFetch2D(noisetex, ivec2(1.0-gl_FragCoord.xy)%512, 0).a + 1.0/1.6180339887 * frameCounter);
+}
+float blueNoise2(){
+  return fract(texelFetch2D(noisetex, ivec2(gl_FragCoord.xy)%512, 0).a + 1.0/1.6180339887 * frameCounter);
+}
+
+vec3 normVec (vec3 vec){
+	return vec*inversesqrt(dot(vec,vec));
+}
+
+#include "/lib/lightning_stuff.glsl"
+
+#include "/lib/sky_gradient.glsl"
+#include "/lib/volumetricClouds.glsl"
+#include "/lib/res_params.glsl"
+
+//////////////////////////////VOID MAIN//////////////////////////////
+//////////////////////////////VOID MAIN//////////////////////////////
+//////////////////////////////VOID MAIN//////////////////////////////
+//////////////////////////////VOID MAIN//////////////////////////////
+//////////////////////////////VOID MAIN//////////////////////////////
+
+
+void main() {
+/* DRAWBUFFERS:0 */
+
+#ifdef OVERWORLD_SHADER
+	#ifdef VOLUMETRIC_CLOUDS
+		vec2 halfResTC = vec2(floor(gl_FragCoord.xy)/CLOUDS_QUALITY/RENDER_SCALE+0.5+offsets[framemod8]*CLOUDS_QUALITY*RENDER_SCALE*0.5);
+
+		vec3 viewPos = toScreenSpace(vec3(halfResTC*texelSize,1));
+
+		vec4 VolumetricClouds = renderClouds(viewPos, vec2(R2_dither(),blueNoise2()), sunColor/80., moonColor/150., averageSkyCol/30.0);
+
+		gl_FragData[0] = VolumetricClouds;
+
+
+	#else
+		gl_FragData[0] = vec4(0.0,0.0,0.0,1.0);
+	#endif
+#else
+	gl_FragData[0] = vec4(0.0,0.0,0.0,1.0);
+#endif 
+}