diff options
Diffstat (limited to 'video/out/gl_video_shaders.glsl')
| -rw-r--r-- | video/out/gl_video_shaders.glsl | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/video/out/gl_video_shaders.glsl b/video/out/gl_video_shaders.glsl index fa9bfa2e95..d3cbbb7c41 100644 --- a/video/out/gl_video_shaders.glsl +++ b/video/out/gl_video_shaders.glsl @@ -188,6 +188,7 @@ uniform float dither_quantization; uniform float dither_center; uniform float filter_param1_l; uniform float filter_param1_c; +uniform float antiring_factor; uniform vec2 dither_size; in vec2 texcoord; @@ -298,21 +299,31 @@ float[6] weights6(sampler2D lookup, float f) { return res; \ } -#define SAMPLE_POLAR(LUT, R, X, Y) \ +#define SAMPLE_POLAR_HELPER(LUT, R, X, Y) \ w = texture1D(LUT, length(vec2(X, Y) - fcoord)/R).r; \ + c = texture(tex, base + pt * vec2(X, Y)); \ wsum += w; \ - res += w * texture(tex, base + pt * vec2(X, Y)); \ + res += w * c; \ -#define SAMPLE_CONVOLUTION_POLAR_R(NAME, R, LUT, WEIGHTS_FN) \ +#define SAMPLE_POLAR_PRIMARY(LUT, R, X, Y) \ + SAMPLE_POLAR_HELPER(LUT, R, X, Y) \ + lo = min(lo, c); \ + hi = max(hi, c); \ + +#define SAMPLE_CONVOLUTION_POLAR_R(NAME, R, LUT, WEIGHTS_FN, ANTIRING) \ vec4 NAME(VIDEO_SAMPLER tex, vec2 texsize, vec2 texcoord) { \ vec2 pt = vec2(1.0) / texsize; \ vec2 fcoord = fract(texcoord * texsize - vec2(0.5)); \ vec2 base = texcoord - fcoord * pt; \ - vec4 res = vec4(0); \ - float wsum = 0; \ + vec4 res = vec4(0.0); \ + vec4 lo = vec4(1.0); \ + vec4 hi = vec4(0.0); \ + float wsum = 0.0; \ float w; \ + vec4 c; \ WEIGHTS_FN(LUT); \ - return res / wsum; \ + res /= wsum; \ + return mix(res, clamp(res, lo, hi), ANTIRING); \ } #ifdef DEF_SCALER0 |