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import {bgPatternUniformValues} from './pattern';
import {
Uniform1i,
Uniform1f,
Uniform2f,
UniformColor,
UniformMatrix4f
} from '../uniform_binding';
import {extend} from '../../util/util';
import type Painter from '../painter';
import type {UniformValues, UniformLocations} from '../uniform_binding';
import type Context from '../../gl/context';
import type Color from '../../style-spec/util/color';
import type {CrossFaded} from '../../style/properties';
import type {CrossfadeParameters} from '../../style/evaluation_parameters';
import type {OverscaledTileID} from '../../source/tile_id';
import type ResolvedImage from '../../style-spec/expression/types/resolved_image';
export type BackgroundUniformsType = {|
'u_matrix': UniformMatrix4f,
'u_opacity': Uniform1f,
'u_color': UniformColor
|};
export type BackgroundPatternUniformsType = {|
'u_matrix': UniformMatrix4f,
'u_opacity': Uniform1f,
// pattern uniforms:
'u_image': Uniform1i,
'u_pattern_tl_a': Uniform2f,
'u_pattern_br_a': Uniform2f,
'u_pattern_tl_b': Uniform2f,
'u_pattern_br_b': Uniform2f,
'u_texsize': Uniform2f,
'u_mix': Uniform1f,
'u_pattern_size_a': Uniform2f,
'u_pattern_size_b': Uniform2f,
'u_scale_a': Uniform1f,
'u_scale_b': Uniform1f,
'u_pixel_coord_upper': Uniform2f,
'u_pixel_coord_lower': Uniform2f,
'u_tile_units_to_pixels': Uniform1f
|};
const backgroundUniforms = (context: Context, locations: UniformLocations): BackgroundUniformsType => ({
'u_matrix': new UniformMatrix4f(context, locations.u_matrix),
'u_opacity': new Uniform1f(context, locations.u_opacity),
'u_color': new UniformColor(context, locations.u_color)
});
const backgroundPatternUniforms = (context: Context, locations: UniformLocations): BackgroundPatternUniformsType => ({
'u_matrix': new UniformMatrix4f(context, locations.u_matrix),
'u_opacity': new Uniform1f(context, locations.u_opacity),
'u_image': new Uniform1i(context, locations.u_image),
'u_pattern_tl_a': new Uniform2f(context, locations.u_pattern_tl_a),
'u_pattern_br_a': new Uniform2f(context, locations.u_pattern_br_a),
'u_pattern_tl_b': new Uniform2f(context, locations.u_pattern_tl_b),
'u_pattern_br_b': new Uniform2f(context, locations.u_pattern_br_b),
'u_texsize': new Uniform2f(context, locations.u_texsize),
'u_mix': new Uniform1f(context, locations.u_mix),
'u_pattern_size_a': new Uniform2f(context, locations.u_pattern_size_a),
'u_pattern_size_b': new Uniform2f(context, locations.u_pattern_size_b),
'u_scale_a': new Uniform1f(context, locations.u_scale_a),
'u_scale_b': new Uniform1f(context, locations.u_scale_b),
'u_pixel_coord_upper': new Uniform2f(context, locations.u_pixel_coord_upper),
'u_pixel_coord_lower': new Uniform2f(context, locations.u_pixel_coord_lower),
'u_tile_units_to_pixels': new Uniform1f(context, locations.u_tile_units_to_pixels)
});
const backgroundUniformValues = (
matrix: Float32Array,
opacity: number,
color: Color
): UniformValues<BackgroundUniformsType> => ({
'u_matrix': matrix,
'u_opacity': opacity,
'u_color': color
});
const backgroundPatternUniformValues = (
matrix: Float32Array,
opacity: number,
painter: Painter,
image: CrossFaded<ResolvedImage>,
tile: {tileID: OverscaledTileID, tileSize: number},
crossfade: CrossfadeParameters
): UniformValues<BackgroundPatternUniformsType> => extend(
bgPatternUniformValues(image, crossfade, painter, tile),
{
'u_matrix': matrix,
'u_opacity': opacity
}
);
export {
backgroundUniforms,
backgroundPatternUniforms,
backgroundUniformValues,
backgroundPatternUniformValues
};
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