X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=plugins%2Fgpu_neon%2Fpsx_gpu%2Fpsx_gpu_parse.c;h=87d8c38b722fa6909999f728dc661459202cbd6a;hb=50d8dac8e171013b8c8edcf453a94533a9972c18;hp=ffa9b9a0f373b998b052f7da693cbbf4a82f02a5;hpb=e5f4d90401d099d5191f95e9f771ab5a81c87ed8;p=pcsx_rearmed.git

diff --git a/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c b/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c
index ffa9b9a0..87d8c38b 100644
--- a/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c
+++ b/plugins/gpu_neon/psx_gpu/psx_gpu_parse.c
@@ -868,7 +868,72 @@ extern void scale2x_tiles8(void *dst, const void *src, int w8, int h);
 
 #ifndef NEON_BUILD
 // TODO?
-void scale2x_tiles8(void *dst, const void *src, int w8, int h) {}
+void scale2x_tiles8(void *dst, const void *src, int w8, int h)
+{
+  uint16_t* d = (uint16_t*)dst;
+  const uint16_t* s = (const uint16_t*)src;
+
+  while ( h-- )
+  {
+    uint16_t* d_save = d;
+    const uint16_t* s_save = s;
+    int w = w8;
+
+    while ( w-- )
+    {
+      d[    0 ] = *s;
+      d[    1 ] = *s;
+      d[ 1024 ] = *s;
+      d[ 1025 ] = *s;
+      d += 2; s++;
+
+      d[    0 ] = *s;
+      d[    1 ] = *s;
+      d[ 1024 ] = *s;
+      d[ 1025 ] = *s;
+      d += 2; s++;
+
+      d[    0 ] = *s;
+      d[    1 ] = *s;
+      d[ 1024 ] = *s;
+      d[ 1025 ] = *s;
+      d += 2; s++;
+
+      d[    0 ] = *s;
+      d[    1 ] = *s;
+      d[ 1024 ] = *s;
+      d[ 1025 ] = *s;
+      d += 2; s++;
+
+      d[    0 ] = *s;
+      d[    1 ] = *s;
+      d[ 1024 ] = *s;
+      d[ 1025 ] = *s;
+      d += 2; s++;
+
+      d[    0 ] = *s;
+      d[    1 ] = *s;
+      d[ 1024 ] = *s;
+      d[ 1025 ] = *s;
+      d += 2; s++;
+
+      d[    0 ] = *s;
+      d[    1 ] = *s;
+      d[ 1024 ] = *s;
+      d[ 1025 ] = *s;
+      d += 2; s++;
+
+      d[    0 ] = *s;
+      d[    1 ] = *s;
+      d[ 1024 ] = *s;
+      d[ 1025 ] = *s;
+      d += 2; s++;
+    }
+
+    d = d_save + 2048;
+    s = s_save + 1024; /* or 512? */
+  }
+}
 #endif
 
 static int disable_main_render;