diff options
Diffstat (limited to 'env/.config/cava/shaders/spectrogram.frag')
| -rw-r--r-- | env/.config/cava/shaders/spectrogram.frag | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/env/.config/cava/shaders/spectrogram.frag b/env/.config/cava/shaders/spectrogram.frag deleted file mode 100644 index ccb79ae..0000000 --- a/env/.config/cava/shaders/spectrogram.frag +++ /dev/null @@ -1,53 +0,0 @@ -#version 330 - -in vec2 fragCoord; -out vec4 fragColor; - -// bar values. defaults to left channels first (low to high), then right (high -// to low). -uniform float bars[512]; - -uniform int bars_count; // number of bars (left + right) (configurable) -uniform int bar_width; // bar width (configurable), not used here -uniform int bar_spacing; // space bewteen bars (configurable) - -uniform vec3 u_resolution; // window resolution - -// colors, configurable in cava config file (r,g,b) (0.0 - 1.0) -uniform vec3 bg_color; // background color -uniform vec3 fg_color; // foreground color - -uniform int gradient_count; -uniform vec3 gradient_colors[8]; // gradient colors - -uniform sampler2D inputTexture; // Texture from the first render pass - -vec3 normalize_C(float y, vec3 col_1, vec3 col_2, float y_min, float y_max) { - // create color based on fraction of this color and next color - float yr = (y - y_min) / (y_max - y_min); - return col_1 * (1.0 - yr) + col_2 * yr; -} - -void main() { - // find which bar to use based on where we are on the y axis - int bar = int(bars_count * fragCoord.y); - float y = bars[bar]; - float band_size = 1.0 / float(bars_count); - float current_band_min = bar * band_size; - float current_band_max = (bar + 1) * band_size; - - int hist_length = 512; - float win_size = 1.0 / hist_length; - - if (fragCoord.x > 1.0 - win_size) { - - if (fragCoord.y > current_band_min && fragCoord.y < current_band_max) { - - fragColor = vec4(fg_color * y, 1.0); - } - } else { - vec2 offsetCoord = fragCoord; - offsetCoord.x += float(win_size); - fragColor = texture(inputTexture, offsetCoord); - } -}
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