From ac4c8b4a3f5c342ff2059fb5ca0720dab8b933f2 Mon Sep 17 00:00:00 2001
From: Romain Vimont <rom@rom1v.com>
Date: Sat, 23 May 2020 14:32:16 +0200
Subject: [PATCH] Increase LOD bias for mipmapping

Mipmapping caused too much blurring.

Using a LOD bias of -1 instead of -0.5 seems a better compromise to
avoid low-quality downscaling while keeping sharp edges in any case.

Refs <https://github.com/Genymobile/scrcpy/issues/1394>
Refs <https://github.com/Genymobile/scrcpy/issues/40#issuecomment-591917787>
---
 app/src/screen.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/src/screen.c b/app/src/screen.c
index 2b7ff237..66a1163b 100644
--- a/app/src/screen.c
+++ b/app/src/screen.c
@@ -217,7 +217,7 @@ create_texture(struct screen *screen) {
         // Enable trilinear filtering for downscaling
         gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
                           GL_LINEAR_MIPMAP_LINEAR);
-        gl->TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, -.5f);
+        gl->TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, -1.f);
 
         SDL_GL_UnbindTexture(texture);
     }