From 4513475528535783536b5cca0eb2987a2b5946fd Mon Sep 17 00:00:00 2001
From: IoIxD <alphaproject217@gmail.com>
Date: Mon, 8 Dec 2025 23:53:00 -0700
Subject: [PATCH] opengl support

---
 src/backend/wayland.c | 45 +++++++++++++++++++++++++------------------
 1 file changed, 26 insertions(+), 19 deletions(-)

diff --git a/src/backend/wayland.c b/src/backend/wayland.c
index b87eea4..ea00809 100644
--- a/src/backend/wayland.c
+++ b/src/backend/wayland.c
@@ -370,15 +370,22 @@ static MwBool egl_setup(MwLL self, int x, int y, int width, int height) {
 	glEnable(GL_TEXTURE_2D);
 	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	glEnable(GL_BLEND);
-	glViewport(x, y, width, height);
 
 	return MwTRUE;
 }
 
 static void egl_resetup(MwLL handle) {
-	int err;
-	glViewport(handle->wayland.x, handle->wayland.y, handle->wayland.ww, handle->wayland.wh);
-	glScissor(handle->wayland.x, handle->wayland.y, handle->wayland.ww, handle->wayland.wh);
+	float w, h;
+
+	if(handle->wayland.parent == NULL) {
+		w = handle->wayland.ww;
+		h = handle->wayland.wh;
+	} else {
+		w = handle->wayland.parent->wayland.ww;
+		h = handle->wayland.parent->wayland.wh;
+	}
+
+	glViewport(handle->wayland.x, handle->wayland.y, w, h);
 }
 
 static void recursive_draw(MwLL handle) {
@@ -556,8 +563,9 @@ static void setup_callbacks(struct _MwLLWayland* wayland) {
 static void setup_toplevel(MwLL r, int x, int y) {
 	int i;
 
-	r->wayland.type	    = MWLL_WAYLAND_TOPLEVEL;
-	r->wayland.toplevel = malloc(sizeof(struct _MwLLWaylandTopLevel));
+	r->wayland.type		  = MWLL_WAYLAND_TOPLEVEL;
+	r->wayland.toplevel	  = malloc(sizeof(struct _MwLLWaylandTopLevel));
+	r->wayland.topmost_parent = NULL;
 
 	setup_callbacks(&r->wayland);
 
@@ -754,8 +762,8 @@ static void MwLLSetXYImpl(MwLL handle, int x, int y) {
 		handle->wayland.x = x;
 		handle->wayland.y = y;
 		if(handle->wayland.has_set_xy) {
-			timed_redraw_by_epoch(handle->wayland.topmost_parent, 15);
-			recursive_draw(handle->wayland.topmost_parent);
+			timed_redraw_by_epoch(handle->wayland.topmost_parent, 25);
+			// recursive_draw(handle->wayland.topmost_parent);
 		} else if(x != 0 && y != 0) {
 			handle->wayland.has_set_xy = MwTRUE;
 		}
@@ -775,8 +783,8 @@ static void MwLLSetWHImpl(MwLL handle, int w, int h) {
 	if(handle->wayland.type == MWLL_WAYLAND_TOPLEVEL) {
 		xdg_surface_set_window_geometry(handle->wayland.toplevel->xdg_surface, 0, 0, handle->wayland.ww, handle->wayland.wh);
 	} else {
-		timed_redraw_by_epoch(handle->wayland.topmost_parent, 15);
-		recursive_draw(handle->wayland.topmost_parent);
+		timed_redraw_by_epoch(handle->wayland.topmost_parent, 25);
+		// recursive_draw(handle->wayland.topmost_parent);
 	}
 }
 
@@ -790,8 +798,8 @@ static void MwLLPolygonImpl(MwLL handle, MwPoint* points, int points_count, MwLL
 		w = handle->wayland.ww;
 		h = handle->wayland.wh;
 	} else {
-		w = handle->wayland.parent->wayland.ww;
-		h = handle->wayland.parent->wayland.wh;
+		w = handle->wayland.topmost_parent->wayland.ww;
+		h = handle->wayland.topmost_parent->wayland.wh;
 	}
 
 	glColor3f(color->common.red / 255.0, color->common.green / 255.0, color->common.blue / 255.0);
@@ -812,12 +820,12 @@ static void MwLLLineImpl(MwLL handle, MwPoint* points, MwLLColor color) {
 	int   i;
 	float w, h;
 
-	if(handle->wayland.parent == NULL) {
+	if(handle->wayland.topmost_parent == NULL) {
 		w = handle->wayland.ww;
 		h = handle->wayland.wh;
 	} else {
-		w = handle->wayland.parent->wayland.ww;
-		h = handle->wayland.parent->wayland.wh;
+		w = handle->wayland.topmost_parent->wayland.ww;
+		h = handle->wayland.topmost_parent->wayland.wh;
 	}
 
 	glLineWidth(1);
@@ -835,7 +843,6 @@ static void MwLLLineImpl(MwLL handle, MwPoint* points, MwLLColor color) {
 }
 
 static void MwLLBeginDrawImpl(MwLL handle) {
-	egl_resetup(handle);
 	if(handle->wayland.parent == NULL) {
 		if(!eglMakeCurrent(handle->wayland.egl_display, handle->wayland.egl_surface, handle->wayland.egl_surface, handle->wayland.egl_context)) {
 			printf("ERROR: eglMakeCurrent, %0X\n", eglGetError());
@@ -939,12 +946,12 @@ static void MwLLDestroyPixmapImpl(MwLLPixmap pixmap) {
 static void MwLLDrawPixmapImpl(MwLL handle, MwRect* rect, MwLLPixmap pixmap) {
 	float x, y, w, h;
 
-	if(handle->wayland.parent == NULL) {
+	if(handle->wayland.topmost_parent == NULL) {
 		w = handle->wayland.ww;
 		h = handle->wayland.wh;
 	} else {
-		w = handle->wayland.parent->wayland.ww;
-		h = handle->wayland.parent->wayland.wh;
+		w = handle->wayland.topmost_parent->wayland.ww;
+		h = handle->wayland.topmost_parent->wayland.wh;
 	}
 
 	x = ((float)(handle->wayland.x + rect->x) / (w / 2)) - 1.0;