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vo_gpu: use fbo texture height for fragment coordinate calculation 

Previous fix only worked when the video output doesn't have vertical
black bars. This fixes the cases like fullscreen, video-zoom etc.

Fixes: https://github.com/mpv-player/mpv/pull/13528
This commit is contained in:
nanahi 2024-02-22 09:47:24 -05:00 committed by sfan5
parent f9b8f156d7
commit 3e17d9da8f
1 changed files with 2 additions and 2 deletions
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4
video/out/gpu/video.c
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@ -2861,7 +2861,7 @@ static void pass_dither(struct gl_video *p, const struct ra_fbo *fbo)
gl_sc_uniform_texture(p->sc, "dither", p->dither_texture);
GLSLF("vec2 dither_coord = vec2(gl_FragCoord.x, %d.0 + %f * gl_FragCoord.y);",
fbo->flip ? p->dst_rect.y1 : 0, fbo->flip ? -1.0 : 1.0);
fbo->flip ? fbo->tex->params.h : 0, fbo->flip ? -1.0 : 1.0);
GLSLF("vec2 dither_pos = dither_coord * 1.0/%d.0;\n", dither_size);
if (p->opts.temporal_dither) {
@ -3081,7 +3081,7 @@ static void pass_draw_to_screen(struct gl_video *p, const struct ra_fbo *fbo, in
// Draw checkerboard pattern to indicate transparency
GLSLF("// transparency checkerboard\n");
GLSLF("vec2 tile_coord = vec2(gl_FragCoord.x, %d.0 + %f * gl_FragCoord.y);",
fbo->flip ? p->dst_rect.y1 : 0, fbo->flip ? -1.0 : 1.0);
fbo->flip ? fbo->tex->params.h : 0, fbo->flip ? -1.0 : 1.0);
GLSL(bvec2 tile = lessThan(fract(tile_coord * 1.0 / 32.0), vec2(0.5));)
GLSL(vec3 background = vec3(tile.x == tile.y ? 0.93 : 0.87);)
GLSL(color.rgb += background.rgb * (1.0 - color.a);)