зеркало из https://github.com/mozilla/gecko-dev.git
29 строки
1.1 KiB
GLSL
29 строки
1.1 KiB
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/. */
|
|
|
|
void main(void) {
|
|
PrimitiveInstance pi = fetch_prim_instance();
|
|
AlphaBatchTask dest_task = fetch_alpha_batch_task(pi.render_task_index);
|
|
AlphaBatchTask src_task = fetch_alpha_batch_task(pi.user_data.x);
|
|
|
|
vec2 dest_origin = dest_task.render_target_origin -
|
|
dest_task.screen_space_origin +
|
|
src_task.screen_space_origin;
|
|
|
|
vec2 local_pos = mix(dest_origin,
|
|
dest_origin + src_task.size,
|
|
aPosition.xy);
|
|
|
|
vec2 texture_size = vec2(textureSize(sCache, 0));
|
|
vec2 st0 = src_task.render_target_origin / texture_size;
|
|
vec2 st1 = (src_task.render_target_origin + src_task.size) / texture_size;
|
|
vUv = vec3(mix(st0, st1, aPosition.xy), src_task.render_target_layer_index);
|
|
|
|
vOp = pi.sub_index;
|
|
vAmount = float(pi.user_data.y) / 65535.0;
|
|
|
|
gl_Position = uTransform * vec4(local_pos, pi.z, 1.0);
|
|
}
|