From 757096e7df15c14b9b10352fa91663483f9e34f8 Mon Sep 17 00:00:00 2001
From: xolatile
Date: Sun, 10 Aug 2025 00:19:46 +0200
Subject: all

---
 src/engine/shader.cpp | 65 ++++-----------------------------------------------
 1 file changed, 4 insertions(+), 61 deletions(-)

(limited to 'src/engine/shader.cpp')

diff --git a/src/engine/shader.cpp b/src/engine/shader.cpp
index 86e4546..eb10720 100644
--- a/src/engine/shader.cpp
+++ b/src/engine/shader.cpp
@@ -445,7 +445,7 @@ void Shader::cleanup(bool invalid) {
 
 bool Shader::isnull(const Shader *s) { return !s; }
 
-static void genattriblocs(Shader &s, const char *vs, const char *ps, Shader *reusevs, Shader *reuseps) {
+static void genattriblocs(Shader &s, const char *vs, Shader *reusevs) {
 	static int len = strlen("//:attrib");
 	string name;
 	int loc;
@@ -457,7 +457,7 @@ static void genattriblocs(Shader &s, const char *vs, const char *ps, Shader *reu
 	}
 }
 
-static void genuniformlocs(Shader &s, const char *vs, const char *ps, Shader *reusevs, Shader *reuseps) {
+static void genuniformlocs(Shader &s, const char *vs, Shader *reusevs) {
 	static int len = strlen("//:uniform");
 	string name, blockname;
 	int binding, stride;
@@ -503,8 +503,8 @@ Shader *newshader(int type, const char *name, const char *vs, const char *ps, Sh
 	else loopv(slotparams) s.defaultparams.add(slotparams[i]);
 	s.attriblocs.setsize(0);
 	s.uniformlocs.setsize(0);
-	genattriblocs(s, vs, ps, s.reusevs, s.reuseps);
-	genuniformlocs(s, vs, ps, s.reusevs, s.reuseps);
+	genattriblocs(s, vs, s.reusevs);
+	genuniformlocs(s, vs, s.reusevs);
 	if(!s.compile()) {
 		s.cleanup(true);
 		if(variant) shaders.remove(rname);
@@ -622,60 +622,6 @@ static void gengenericvariant(Shader &s, const char *sname, const char *vs, cons
 	newshader(s.type, varname, vschanged ? vsv.getbuf() : reuse, pschanged ? psv.getbuf() : reuse, &s, row);
 }
 
-bool minimizedynlighttcusage() { return glversion < 300 && maxvaryings < 48; }
-
-static void gendynlightvariant(Shader &s, const char *sname, const char *vs, const char *ps, int row = 0) {
-	int numlights = minimizedynlighttcusage() ? 1 : MAXDYNLIGHTS;
-	const char *vspragma = strstr(vs, "//:dynlight"), *pspragma = strstr(ps, "//:dynlight");
-	if(!vspragma || !pspragma) return;
-	string pslight;
-	vspragma += strcspn(vspragma, "\n");
-	if(*vspragma) vspragma++;
-	if(sscanf(pspragma, "//:dynlight %100s", pslight)!=1) return;
-	pspragma += strcspn(pspragma, "\n");
-	if(*pspragma) pspragma++;
-	const char *vsmain = findglslmain(vs), *psmain = findglslmain(ps);
-	if(vsmain > vspragma) vsmain = vs;
-	if(psmain > pspragma) psmain = ps;
-	vector<char> vsdl, psdl;
-	loopi(MAXDYNLIGHTS) {
-		vsdl.setsize(0);
-		psdl.setsize(0);
-		if(vsmain >= vs) vsdl.put(vs, vsmain - vs);
-		if(psmain >= ps) psdl.put(ps, psmain - ps);
-		defformatstring(pos, "uniform vec4 dynlightpos[%d];\n", i+1);
-		vsdl.put(pos, strlen(pos));
-		psdl.put(pos, strlen(pos));
-		defformatstring(color, "uniform vec3 dynlightcolor[%d];\n", i+1);
-		psdl.put(color, strlen(color));
-		loopk(min(i+1, numlights)) {
-			defformatstring(dir, "%sdynlight%ddir%s", !k ? "varying vec3 " : " ", k, k==i || k+1==numlights ? ";\n" : ",");
-			vsdl.put(dir, strlen(dir));
-			psdl.put(dir, strlen(dir));
-		}
-		vsdl.put(vsmain, vspragma-vsmain);
-		psdl.put(psmain, pspragma-psmain);
-		loopk(i+1) {
-			defformatstring(tc,
-				k<numlights ?
-					"dynlight%ddir = vvertex.xyz*dynlightpos[%d].w + dynlightpos[%d].xyz;\n" :
-					"vec3 dynlight%ddir = dynlight0dir*dynlightpos[%d].w + dynlightpos[%d].xyz;\n",
-				k, k, k);
-			if(k < numlights) vsdl.put(tc, strlen(tc));
-			else psdl.put(tc, strlen(tc));
-			defformatstring(dl,
-				"%s.rgb += dynlightcolor[%d] * (1.0 - clamp(dot(dynlight%ddir, dynlight%ddir), 0.0, 1.0));\n",
-				pslight, k, k, k);
-			psdl.put(dl, strlen(dl));
-		}
-		vsdl.put(vspragma, strlen(vspragma)+1);
-		psdl.put(pspragma, strlen(pspragma)+1);
-		defformatstring(name, "<dynlight %d>%s", i+1, sname);
-		Shader *variant = newshader(s.type, name, vsdl.getbuf(), psdl.getbuf(), &s, row);
-		if(!variant) return;
-	}
-}
-
 static void genshadowmapvariant(Shader &s, const char *sname, const char *vs, const char *ps, int row = 1) {
 	const char *vspragma = strstr(vs, "//:shadowmap"), *pspragma = strstr(ps, "//:shadowmap");
 	if(!vspragma || !pspragma) return;
@@ -724,7 +670,6 @@ static void genshadowmapvariant(Shader &s, const char *sname, const char *vs, co
 	defformatstring(name, "<shadowmap>%s", sname);
 	Shader *variant = newshader(s.type, name, vssm.getbuf(), pssm.getbuf(), &s, row);
 	if(!variant) return;
-	if(strstr(vs, "//:dynlight")) gendynlightvariant(s, name, vssm.getbuf(), pssm.getbuf(), row);
 }
 
 static void genuniformdefs(vector<char> &vsbuf, vector<char> &psbuf, const char *vs, const char *ps, Shader *variant = NULL) {
@@ -842,7 +787,6 @@ void shader(int *type, char *name, char *vs, char *ps) {
 	Shader *s = newshader(*type, name, vs, ps);
 	if(s) {
 		if(strstr(vs, "//:shadowmap")) genshadowmapvariant(*s, s->name, vs, ps);
-		if(strstr(vs, "//:dynlight")) gendynlightvariant(*s, s->name, vs, ps);
 	}
 	slotparams.shrink(0);
 }
@@ -862,7 +806,6 @@ void variantshader(int *type, char *name, int *row, char *vs, char *ps) {
 	GENSHADER(s->defaultparams.length(), genuniformdefs(vsbuf, psbuf, vs, ps, s));
 	Shader *v = newshader(*type, varname, vs, ps, s, *row);
 	if(v) {
-		if(strstr(vs, "//:dynlight")) gendynlightvariant(*s, varname, vs, ps, *row);
 		if(strstr(ps, "//:variant") || strstr(vs, "//:variant")) gengenericvariant(*s, varname, vs, ps, *row);
 	}
 }
-- 
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