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authorNiklas Haas <git@haasn.xyz>2017-07-07 13:45:25 +0200
committerNiklas Haas <git@haasn.xyz>2017-07-07 13:47:47 +0200
commit9a49a3545346823157d9eaaf2c185dd3902d6f22 (patch)
treec4cc5fa7251302ccf37c8298a2d952fa36dc9687
parentae4c0134ed65d576ddfcada94143b3f0302029ae (diff)
downloadmpv-9a49a3545346823157d9eaaf2c185dd3902d6f22.tar.bz2
mpv-9a49a3545346823157d9eaaf2c185dd3902d6f22.tar.xz
vo_opengl: correct off-by-one in scale=oversample
This caused a single pixel shift to the top-left, introduced in e3e03d0f3.
-rw-r--r--video/out/opengl/video_shaders.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/video/out/opengl/video_shaders.c b/video/out/opengl/video_shaders.c
index 5795a36985..d343111389 100644
--- a/video/out/opengl/video_shaders.c
+++ b/video/out/opengl/video_shaders.c
@@ -251,7 +251,7 @@ void pass_sample_oversample(struct gl_shader_cache *sc, struct scaler *scaler,
int w, int h)
{
GLSLF("{\n");
- GLSL(vec2 pos = pos + vec2(0.5) * pt;) // round to nearest
+ GLSL(vec2 pos = pos - vec2(0.5) * pt;) // round to nearest
GLSL(vec2 fcoord = fract(pos * size - vec2(0.5));)
// Determine the mixing coefficient vector
gl_sc_uniform_vec2(sc, "output_size", (float[2]){w, h});