Skip to content

Work around OSX/Intel shader bug with integer comparison #2864

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
bors-servo merged 1 commit into from
Jul 4, 2018
Merged

Work around OSX/Intel shader bug with integer comparison #2864

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 6 additions & 5 deletions webrender/res/render_task.glsl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -85,6 +85,8 @@ PictureTask fetch_picture_task(int address) {
return task;
}

#define CLIP_TASK_EMPTY 0x7FFF

struct ClipArea {
RenderTaskCommonData common_data;
vec2 screen_origin;
Expand All @@ -94,11 +96,10 @@ struct ClipArea {
ClipArea fetch_clip_area(int index) {
ClipArea area;

if (index == 0x7FFF) { //special sentinel task index
area.common_data = RenderTaskCommonData(
RectWithSize(vec2(0.0), vec2(0.0)),
0.0
);
if (index >= CLIP_TASK_EMPTY) {
RectWithSize rect = RectWithSize(vec2(0.0), vec2(0.0));

area.common_data = RenderTaskCommonData(rect, 0.0);
area.screen_origin = vec2(0.0);
area.local_space = false;
} else {
Expand Down