From: notaz <notasas@gmail.com>
Date: Sat, 25 Nov 2023 21:56:41 +0000 (+0200)
Subject: libretro: direct fb access requires duping support
X-Git-Tag: r24~38
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=commitdiff_plain;h=3e82ffc4389a4699d0001133c7c2bffd9ee40edc

libretro: direct fb access requires duping support

because video doesn't necessary update at vsync rate
libretro/pcsx_rearmed#805
---

diff --git a/frontend/libretro.c b/frontend/libretro.c
index 80dc8a9d..ed4bb5bd 100644
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -237,7 +237,10 @@ static void set_vout_fb()
    fb.access_flags   = RETRO_MEMORY_ACCESS_WRITE;
 
    vout_pitch = vout_width;
-   if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb) && fb.format == RETRO_PIXEL_FORMAT_RGB565) {
+   if (environ_cb(RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER, &fb)
+         && fb.format == RETRO_PIXEL_FORMAT_RGB565
+         && vout_can_dupe && duping_enable)
+   {
       vout_buf_ptr = fb.data;
       if (fb.pitch / 2 != vout_pitch && fb.pitch != vout_width * 2)
          SysPrintf("got unusual pitch %zd for resolution %dx%d\n", fb.pitch, vout_width, vout_height);