From: notaz <notasas@gmail.com>
Date: Fri, 14 Mar 2025 22:09:48 +0000 (+0200)
Subject: gpulib: avoid forced clears on state load
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=60e4e7d4dcc495d2c677161b0de439c063674419;p=pcsx_rearmed.git

gpulib: avoid forced clears on state load

forcing reg writes caused full fb clears each frame on run-ahead
---

diff --git a/plugins/gpulib/gpu.c b/plugins/gpulib/gpu.c
index 8c1b8e85..40682b30 100644
--- a/plugins/gpulib/gpu.c
+++ b/plugins/gpulib/gpu.c
@@ -921,14 +921,12 @@ long GPUfreeze(uint32_t type, GPUFreeze_t *freeze)
     case 0: // load
       renderer_sync();
       memcpy(gpu.vram, freeze->psxVRam, 1024 * 512 * 2);
-      memcpy(gpu.regs, freeze->ulControl, sizeof(gpu.regs));
+      //memcpy(gpu.regs, freeze->ulControl, sizeof(gpu.regs));
       memcpy(gpu.ex_regs, freeze->ulControl + 0xe0, sizeof(gpu.ex_regs));
       gpu.status = freeze->ulStatus;
       gpu.cmd_len = 0;
-      for (i = 8; i > 0; i--) {
-        gpu.regs[i] ^= 1; // avoid reg change detection
-        GPUwriteStatus((i << 24) | (gpu.regs[i] ^ 1));
-      }
+      for (i = 8; i > 1; i--)
+        GPUwriteStatus((i << 24) | freeze->ulControl[i]);
       renderer_sync_ecmds(gpu.ex_regs);
       renderer_update_caches(0, 0, 1024, 512, 0);
       break;