From f665bfda2352f1a614882749b2947cb4b08ad2f6 Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Sat, 1 Feb 2025 02:34:02 +0200
Subject: [PATCH] gpulib: keep dirty flag if not displayed

---
 plugins/gpu-gles/gpulib_if.c |  5 ++++-
 plugins/gpulib/gpu.c         | 10 +++++++---
 plugins/gpulib/gpu.h         |  2 +-
 plugins/gpulib/vout_pl.c     | 15 +++++++++------
 plugins/gpulib/vout_sdl.c    |  3 ++-
 5 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/plugins/gpu-gles/gpulib_if.c b/plugins/gpu-gles/gpulib_if.c
index ab95c641..7207a09d 100644
--- a/plugins/gpu-gles/gpulib_if.c
+++ b/plugins/gpu-gles/gpulib_if.c
@@ -655,19 +655,22 @@ int vout_finish(void)
   return 0;
 }
 
-void vout_update(void)
+int vout_update(void)
 {
  if(PSXDisplay.Interlaced)                            // interlaced mode?
  {
   if(PSXDisplay.DisplayMode.x>0 && PSXDisplay.DisplayMode.y>0)
    {
     updateDisplay();                                  // -> swap buffers (new frame)
+    return 1;
    }
  }
  else if(bRenderFrontBuffer)                          // no interlace mode? and some stuff in front has changed?
  {
   updateFrontDisplay();                               // -> update front buffer
+  return 1;
  }
+ return 0;
 }
 
 void vout_blank(void)
diff --git a/plugins/gpulib/gpu.c b/plugins/gpulib/gpu.c
index 86cf5846..4307e4de 100644
--- a/plugins/gpulib/gpu.c
+++ b/plugins/gpulib/gpu.c
@@ -945,6 +945,8 @@ long GPUfreeze(uint32_t type, struct GPUFreeze *freeze)
 
 void GPUupdateLace(void)
 {
+  int updated = 0;
+
   if (gpu.cmd_len > 0)
     flush_cmd_buffer(&gpu);
   renderer_flush_queues();
@@ -974,12 +976,14 @@ void GPUupdateLace(void)
     gpu.frameskip.frame_ready = 0;
   }
 
-  vout_update();
+  updated = vout_update();
   if (gpu.state.enhancement_active && !gpu.state.enhancement_was_active)
     renderer_update_caches(0, 0, 1024, 512, 1);
   gpu.state.enhancement_was_active = gpu.state.enhancement_active;
-  gpu.state.fb_dirty = 0;
-  gpu.state.blanked = 0;
+  if (updated) {
+    gpu.state.fb_dirty = 0;
+    gpu.state.blanked = 0;
+  }
   renderer_notify_update_lace(1);
 }
 
diff --git a/plugins/gpulib/gpu.h b/plugins/gpulib/gpu.h
index 893a7512..eb55922a 100644
--- a/plugins/gpulib/gpu.h
+++ b/plugins/gpulib/gpu.h
@@ -143,7 +143,7 @@ void renderer_notify_scanout_change(int x, int y);
 
 int  vout_init(void);
 int  vout_finish(void);
-void vout_update(void);
+int  vout_update(void);
 void vout_blank(void);
 void vout_set_config(const struct rearmed_cbs *config);
 
diff --git a/plugins/gpulib/vout_pl.c b/plugins/gpulib/vout_pl.c
index 5c727bbc..f2004825 100644
--- a/plugins/gpulib/vout_pl.c
+++ b/plugins/gpulib/vout_pl.c
@@ -35,7 +35,8 @@ static void check_mode_change(int force)
     h = gpu.screen.h;
   w_out = w, h_out = h;
 #ifdef RAW_FB_DISPLAY
-  w = w_out = 1024, h = h_out = 512;
+  w = w_out = (gpu.status & PSX_GPU_STATUS_RGB24) ? 2048/3 : 1024;
+  h = h_out = 512;
 #endif
   gpu.state.enhancement_active =
     gpu.get_enhancement_bufer != NULL && gpu.state.enhancement_enable
@@ -73,7 +74,7 @@ static void check_mode_change(int force)
   }
 }
 
-void vout_update(void)
+int vout_update(void)
 {
   int bpp = (gpu.status & PSX_GPU_STATUS_RGB24) ? 24 : 16;
   uint8_t *vram = (uint8_t *)gpu.vram;
@@ -87,21 +88,22 @@ void vout_update(void)
   int src_x2 = 0;
 
 #ifdef RAW_FB_DISPLAY
-  w = 1024, h = 512, x = src_x = y = src_y = 0;
+  w = (gpu.status & PSX_GPU_STATUS_RGB24) ? 2048/3 : 1024;
+  h = 512, x = src_x = y = src_y = 0;
 #endif
   if (x < 0) { w += x; src_x2 = -x; x = 0; }
   if (y < 0) { h += y; src_y -=  y; y = 0; }
 
   if (w <= 0 || h <= 0)
-    return;
+    return 0;
 
   check_mode_change(0);
   if (gpu.state.enhancement_active) {
     if (!gpu.state.enhancement_was_active)
-      return; // buffer not ready yet
+      return 0; // buffer not ready yet
     vram = gpu.get_enhancement_bufer(&src_x, &src_y, &w, &h, &vram_h);
     if (vram == NULL)
-      return;
+      return 0;
     x *= 2; y *= 2;
     src_x2 *= 2;
   }
@@ -126,6 +128,7 @@ void vout_update(void)
   cbs->pl_vout_flip(vram, 1024, !!(gpu.status & PSX_GPU_STATUS_RGB24),
       x, y, w, h, gpu.state.dims_changed);
   gpu.state.dims_changed = 0;
+  return 1;
 }
 
 void vout_blank(void)
diff --git a/plugins/gpulib/vout_sdl.c b/plugins/gpulib/vout_sdl.c
index 81272b29..587a5b73 100644
--- a/plugins/gpulib/vout_sdl.c
+++ b/plugins/gpulib/vout_sdl.c
@@ -48,7 +48,7 @@ int vout_finish(void)
   return 0;
 }
 
-void vout_update(void)
+int vout_update(void)
 {
   uint32_t *d;
   int i;
@@ -75,6 +75,7 @@ void vout_update(void)
   }
   SDL_UnlockSurface(screen);
   SDL_UpdateRect(screen, 0, 0, 1024, 512);
+  return 1;
 }
 
 void vout_blank(void)
-- 
2.39.5