servo/resources/shaders/ps_text.vs.glsl
2016-08-03 10:14:42 +02:00

26 lines
676 B
GLSL

#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/. */
struct Glyph {
PrimitiveInfo info;
vec4 color;
vec4 st_rect;
};
layout(std140) uniform Items {
Glyph glyphs[WR_MAX_PRIM_ITEMS];
};
void main(void) {
Glyph glyph = glyphs[gl_InstanceID];
VertexInfo vi = write_vertex(glyph.info);
vec2 f = (vi.local_clamped_pos - vi.local_rect.p0) / (vi.local_rect.p1 - vi.local_rect.p0);
vColor = glyph.color;
vUv = mix(glyph.st_rect.xy,
glyph.st_rect.zw,
f);
}