mirror of
https://github.com/servo/servo.git
synced 2025-06-06 00:25:37 +00:00
32 lines
1 KiB
GLSL
32 lines
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/. */
|
|
|
|
struct Image {
|
|
PrimitiveInfo info;
|
|
vec4 st_rect; // Location of the image texture in the texture atlas.
|
|
vec4 stretch_size; // Size of the actual image.
|
|
};
|
|
|
|
layout(std140) uniform Items {
|
|
Image images[WR_MAX_PRIM_ITEMS];
|
|
};
|
|
|
|
void main(void) {
|
|
Image image = images[gl_InstanceID];
|
|
|
|
#ifdef WR_FEATURE_TRANSFORM
|
|
TransformVertexInfo vi = write_transform_vertex(image.info);
|
|
vLocalRect = image.info.local_rect;
|
|
vLocalPos = vi.local_pos;
|
|
vStretchSize = image.stretch_size.xy;
|
|
#else
|
|
VertexInfo vi = write_vertex(image.info);
|
|
vUv = (vi.local_clamped_pos - vi.local_rect.p0) / image.stretch_size.xy;
|
|
#endif
|
|
|
|
// vUv will contain how many times this image has wrapped around the image size.
|
|
vTextureSize = image.st_rect.zw - image.st_rect.xy;
|
|
vTextureOffset = image.st_rect.xy;
|
|
}
|