Mercurial > repos > blastem
changeset 1405:ee19270495e8
Force texture y-coordinate to middle of line in default shader. Substantially improves picture when linear texture filtering is used
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Sat, 17 Jun 2017 15:56:07 -0700 |
| parents | f9fbd0d16df2 |
| children | 5e4a2ea8219b |
| files | shaders/default.f.glsl |
| diffstat | 1 files changed, 3 insertions(+), 2 deletions(-) [+] |
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--- a/shaders/default.f.glsl Sat Jun 17 15:43:44 2017 -0700 +++ b/shaders/default.f.glsl Sat Jun 17 15:56:07 2017 -0700 @@ -6,9 +6,10 @@ void main() { + vec2 modifiedCoord = vec2(texcoord.x, (floor(texcoord.y * 512.0) + 0.5)/512.0); gl_FragColor = mix( - texture2D(textures[0], texcoord), - texture2D(textures[1], vec2(texcoord.x, texcoord.y - 0.5/1024.0)), + texture2D(textures[0], modifiedCoord), + texture2D(textures[1], modifiedCoord), (sin((texcoord.y * 1024.0 + 1.0)* 3.14159265359) + 1.0) * 0.5 ); }