diff options
Diffstat (limited to 'video/out/opengl/video_shaders.c')
| -rw-r--r-- | video/out/opengl/video_shaders.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/video/out/opengl/video_shaders.c b/video/out/opengl/video_shaders.c index 9e54d33d41..9ed85ffa09 100644 --- a/video/out/opengl/video_shaders.c +++ b/video/out/opengl/video_shaders.c @@ -108,8 +108,10 @@ void pass_sample_separated_gen(struct gl_shader_cache *sc, struct scaler *scaler void pass_sample_polar(struct gl_shader_cache *sc, struct scaler *scaler) { double radius = scaler->kernel->f.radius * scaler->kernel->filter_scale; - int bound = ceil(radius); + double radius_cutoff = scaler->kernel->radius_cutoff; + int bound = ceil(radius_cutoff); bool use_ar = scaler->conf.antiring > 0; + GLSL(color = vec4(0.0);) GLSLF("{\n"); GLSL(vec2 fcoord = fract(pos * size - vec2(0.5));) @@ -130,12 +132,13 @@ void pass_sample_polar(struct gl_shader_cache *sc, struct scaler *scaler) int xx = x > 0 ? x-1 : x; double dmax = sqrt(xx*xx + yy*yy); // Skip samples definitely outside the radius - if (dmax >= radius) + if (dmax >= radius_cutoff) continue; GLSLF("d = length(vec2(%d.0, %d.0) - fcoord)/%f;\n", x, y, radius); // Check for samples that might be skippable - if (dmax >= radius - M_SQRT2) - GLSLF("if (d < 1.0) {\n"); + bool maybe_skippable = dmax >= radius_cutoff - M_SQRT2; + if (maybe_skippable) + GLSLF("if (d < %f) {\n", radius_cutoff / radius); if (scaler->gl_target == GL_TEXTURE_1D) { GLSLF("w = texture1D(lut, LUT_POS(d, %d.0)).r;\n", scaler->lut_size); @@ -150,7 +153,7 @@ void pass_sample_polar(struct gl_shader_cache *sc, struct scaler *scaler) GLSL(lo = min(lo, c);) GLSL(hi = max(hi, c);) } - if (dmax >= radius - M_SQRT2) + if (maybe_skippable) GLSLF("}\n"); } } |