Learning_GTK4_tree/gsk/vulkan/resources/clip.frag.glsl

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757 B
GLSL

#include "constants.glsl"
#include "rounded-rect.frag.glsl"
#ifndef _CLIP_
#define _CLIP_
#ifdef CLIP_ROUNDED_RECT
vec4
clip_scaled (vec2 pos, vec4 color)
{
RoundedRect r = RoundedRect(vec4(push.clip_bounds.xy, push.clip_bounds.xy + push.clip_bounds.zw), push.clip_widths, push.clip_heights);
r = rounded_rect_scale (r, push.scale);
return color * rounded_rect_coverage (r, pos);
}
#elif defined(CLIP_RECT)
vec4
clip_scaled (vec2 pos, vec4 color)
{
return color;
}
#elif defined(CLIP_NONE)
vec4
clip_scaled (vec2 pos, vec4 color)
{
return color;
}
#else
#error "No clipping define given. Need CLIP_NONE, CLIP_RECT or CLIP_ROUNDED_RECT"
#endif
vec4
clip (vec2 pos, vec4 color)
{
return clip_scaled (pos * push.scale, color);
}
#endif