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Increase LOD bias for mipmapping

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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>
This commit is contained in:
Romain Vimont 2020-05-23 14:32:16 +02:00
parent fae3f9eeab
commit ac4c8b4a3f
1 changed files with 1 additions and 1 deletions
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2
app/src/screen.c
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@ -217,7 +217,7 @@ create_texture(struct screen *screen) {
// Enable trilinear filtering for downscaling // Enable trilinear filtering for downscaling
gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_LINEAR_MIPMAP_LINEAR); 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); SDL_GL_UnbindTexture(texture);
} }