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45 lines
1.3 KiB
GLSL
45 lines
1.3 KiB
GLSL
#line 1
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#define DIR_HORIZONTAL uint(0)
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#define DIR_VERTICAL uint(1)
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struct Gradient {
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PrimitiveInfo info;
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vec4 color0;
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vec4 color1;
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uvec4 dir;
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Clip clip;
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};
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layout(std140) uniform Items {
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Gradient gradients[WR_MAX_PRIM_ITEMS];
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};
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void main(void) {
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Gradient gradient = gradients[gl_InstanceID];
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VertexInfo vi = write_vertex(gradient.info);
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vec2 f = (vi.local_clamped_pos - gradient.info.local_rect.xy) / gradient.info.local_rect.zw;
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switch (gradient.dir.x) {
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case DIR_HORIZONTAL:
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vF = f.x;
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break;
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case DIR_VERTICAL:
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vF = f.y;
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break;
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}
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vClipRect = vec4(gradient.clip.rect.xy, gradient.clip.rect.xy + gradient.clip.rect.zw);
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vClipRadius = vec4(gradient.clip.top_left.outer_inner_radius.x,
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gradient.clip.top_right.outer_inner_radius.x,
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gradient.clip.bottom_right.outer_inner_radius.x,
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gradient.clip.bottom_left.outer_inner_radius.x);
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vPos = vi.local_clamped_pos;
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vColor0 = gradient.color0;
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vColor1 = gradient.color1;
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}
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