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MapLibreParticleLab/shaders/drawable.background_pattern.fragment.glsl
Alex Cristici f582327191 UBO consolidation (#3089)
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2025-01-08 17:41:29 +02:00

46 lines
1.3 KiB
GLSL

layout (std140) uniform GlobalPaintParamsUBO {
highp vec2 u_pattern_atlas_texsize;
highp vec2 u_units_to_pixels;
highp vec2 u_world_size;
highp float u_camera_to_center_distance;
highp float u_symbol_fade_change;
highp float u_aspect_ratio;
highp float u_pixel_ratio;
highp float u_map_zoom;
lowp float global_pad1;
};
layout (std140) uniform BackgroundPatternPropsUBO {
highp vec2 u_pattern_tl_a;
highp vec2 u_pattern_br_a;
highp vec2 u_pattern_tl_b;
highp vec2 u_pattern_br_b;
highp vec2 u_pattern_size_a;
highp vec2 u_pattern_size_b;
highp float u_scale_a;
highp float u_scale_b;
highp float u_mix;
highp float u_opacity;
};
uniform sampler2D u_image;
in mediump vec2 v_pos_a;
in mediump vec2 v_pos_b;
void main() {
vec2 imagecoord = mod(v_pos_a, 1.0);
vec2 pos = mix(u_pattern_tl_a / u_pattern_atlas_texsize, u_pattern_br_a / u_pattern_atlas_texsize, imagecoord);
vec4 color1 = texture(u_image, pos);
vec2 imagecoord_b = mod(v_pos_b, 1.0);
vec2 pos2 = mix(u_pattern_tl_b / u_pattern_atlas_texsize, u_pattern_br_b / u_pattern_atlas_texsize, imagecoord_b);
vec4 color2 = texture(u_image, pos2);
fragColor = mix(color1, color2, u_mix) * u_opacity;
#ifdef OVERDRAW_INSPECTOR
fragColor = vec4(1.0);
#endif
}