From 6921c9516d9042a2092cc824e93e8ec3e829d685 Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Fri, 2 Feb 2024 19:21:04 +1100
Subject: [PATCH] Vita: Try to fix problems with deleting unreferenced buffers
 causing crashes

---
 src/Graphics_PSVita.c | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/src/Graphics_PSVita.c b/src/Graphics_PSVita.c
index a5c5fd7f0..57438edb4 100644
--- a/src/Graphics_PSVita.c
+++ b/src/Graphics_PSVita.c
@@ -639,7 +639,6 @@ static void GPUTexture_Free(struct GPUTexture* tex) {
 
 static void GPUTextures_DeleteUnreferenced(void) {
 	if (!del_textures_head) return;
-	del_textures_tail = NULL;
 	
 	struct GPUTexture* tex;
 	struct GPUTexture* next;
@@ -651,15 +650,15 @@ static void GPUTextures_DeleteUnreferenced(void) {
 		
 		if (tex->lastFrame + 4 > frameCounter) {
 			// texture was used within last 4 fames
-			prev              = tex;
-			del_textures_tail = tex; // update end of linked list
-			
-			cc_uintptr addr = tex;
-			Platform_Log1("TEX CHECK %h", &addr);
+			prev = tex;
 		} else {
 			// advance the head of the linked list
 			if (del_textures_head == tex) 
 				del_textures_head = next;
+
+			// update end of linked list if necessary
+			if (del_textures_tail == tex)
+				del_textures_tail = prev;
 			
 			// unlink this texture from the linked list
 			if (prev) prev->next = next;
@@ -866,7 +865,6 @@ static void GPUBuffer_Free(struct GPUBuffer* buf) {
 
 static void GPUBuffers_DeleteUnreferenced(void) {
 	if (!del_buffers_head) return;
-	del_buffers_tail = NULL;
 	
 	struct GPUBuffer* buf;
 	struct GPUBuffer* next;
@@ -878,15 +876,15 @@ static void GPUBuffers_DeleteUnreferenced(void) {
 		
 		if (buf->lastFrame + 4 > frameCounter) {
 			// texture was used within last 4 fames
-			prev             = buf;
-			del_buffers_tail = buf; // update end of linked list
-			
-			cc_uintptr addr = buf;
-			Platform_Log1("VB CHECK %h", &addr);
+			prev = buf;
 		} else {
 			// advance the head of the linked list
 			if (del_buffers_head == buf) 
 				del_buffers_head = next;
+
+			// update end of linked list if necessary
+			if (del_buffers_tail == buf)
+				del_buffers_tail = prev;
 			
 			// unlink this texture from the linked list
 			if (prev) prev->next = next;