зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
2.7 KiB
Plaintext
73 строки
2.7 KiB
Plaintext
|
#line 1
|
||
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||
|
|
|
||
|
|
void main(void) {
|
||
|
|
Primitive prim = load_primitive();
|
||
|
|
Gradient gradient = fetch_gradient(prim.prim_index);
|
||
|
|
|
||
|
|
GradientStop g0 = fetch_gradient_stop(prim.sub_index + 0);
|
||
|
|
GradientStop g1 = fetch_gradient_stop(prim.sub_index + 1);
|
||
|
|
|
||
|
|
vec4 segment_rect;
|
||
|
|
switch (int(gradient.kind.x)) {
|
||
|
|
case GRADIENT_HORIZONTAL: {
|
||
|
|
float x0 = mix(gradient.start_end_point.x,
|
||
|
|
gradient.start_end_point.z,
|
||
|
|
g0.offset.x);
|
||
|
|
float x1 = mix(gradient.start_end_point.x,
|
||
|
|
gradient.start_end_point.z,
|
||
|
|
g1.offset.x);
|
||
|
|
segment_rect.yw = prim.local_rect.yw;
|
||
|
|
segment_rect.x = x0;
|
||
|
|
segment_rect.z = x1 - x0;
|
||
|
|
} break;
|
||
|
|
case GRADIENT_VERTICAL: {
|
||
|
|
float y0 = mix(gradient.start_end_point.y,
|
||
|
|
gradient.start_end_point.w,
|
||
|
|
g0.offset.x);
|
||
|
|
float y1 = mix(gradient.start_end_point.y,
|
||
|
|
gradient.start_end_point.w,
|
||
|
|
g1.offset.x);
|
||
|
|
segment_rect.xz = prim.local_rect.xz;
|
||
|
|
segment_rect.y = y0;
|
||
|
|
segment_rect.w = y1 - y0;
|
||
|
|
} break;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef WR_FEATURE_TRANSFORM
|
||
|
|
TransformVertexInfo vi = write_transform_vertex(segment_rect,
|
||
|
|
prim.local_clip_rect,
|
||
|
|
prim.z,
|
||
|
|
prim.layer,
|
||
|
|
prim.tile);
|
||
|
|
vLocalRect = vi.clipped_local_rect;
|
||
|
|
vLocalPos = vi.local_pos;
|
||
|
|
vec2 f = (vi.local_pos.xy - prim.local_rect.xy) / prim.local_rect.zw;
|
||
|
|
#else
|
||
|
|
VertexInfo vi = write_vertex(segment_rect,
|
||
|
|
prim.local_clip_rect,
|
||
|
|
prim.z,
|
||
|
|
prim.layer,
|
||
|
|
prim.tile);
|
||
|
|
|
||
|
|
vec2 f = (vi.local_clamped_pos - segment_rect.xy) / segment_rect.zw;
|
||
|
|
vPos = vi.local_clamped_pos;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
write_clip(vi.global_clamped_pos, prim.clip_area);
|
||
|
|
|
||
|
|
switch (int(gradient.kind.x)) {
|
||
|
|
case GRADIENT_HORIZONTAL:
|
||
|
|
vColor = mix(g0.color, g1.color, f.x);
|
||
|
|
break;
|
||
|
|
case GRADIENT_VERTICAL:
|
||
|
|
vColor = mix(g0.color, g1.color, f.y);
|
||
|
|
break;
|
||
|
|
case GRADIENT_ROTATED:
|
||
|
|
vColor = vec4(1.0, 0.0, 1.0, 1.0);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|