gecko-dev/layout/reftests/async-scrolling/perspective-scrolling-3-ref...

<!DOCTYPE html>
<html lang="en">
<meta charset="utf-8">
<title>Perspective in scrolled state</title>

<style>

html {
  height: 100%;
  overflow: hidden;
}

body {
  height: 100%;
  perspective: 1px;
  overflow: auto;
  margin: 0;
}

.transformed {
  margin: 300px 100px 100px;
  width: 200px;
  height: 200px;
  border: 10px solid black;
}

.spacer {
  height: 4000px;
}

</style>

<div class="transformed"></div>
<div class="spacer"></div>

<script>

document.body.scrollTop = 200;

</script>
Bug 1247854 - Apply the correct scroll clips to the nsDisplayTransform and nsDisplayPerspective of a scrolled perspective item. r=mattwoodrow I've decided to fix this in a very explicit way. The only "magic" part that's left is how we decide that the AGR of the perspective item is outside the scrolled frame (and I'm not sure myself how that works). I didn't want to change what scroll clips we set on what items, because the scroll clip really belongs on the perspective item, because that's the item that needs to be clipped, and it should also be the item that should be scrolled if it weren't for the fact that APZ wouldn't know that it should apply the perspective transform before the APZ transform. MozReview-Commit-ID: BBw8VPohQI4 --HG-- extra : rebase_source : 9e11441af2b5dab93a5908236e153fc6cd2c3d8b extra : histedit_source : 7b3dd75afa92346856765284be48df5618821326 2016-02-26 03:29:41 +03:00			`<!DOCTYPE html>`
			`<html lang="en">`
			`<meta charset="utf-8">`
			`<title>Perspective in scrolled state</title>`

			`<style>`

			`html {`
			`height: 100%;`
			`overflow: hidden;`
			`}`

			`body {`
			`height: 100%;`
			`perspective: 1px;`
			`overflow: auto;`
			`margin: 0;`
			`}`

Bug 1221094 - Reduce the size of the layers in this reftest so that they don't get lowres tiles. MozReview-Commit-ID: 4BY1F9u5we1 --HG-- extra : rebase_source : 7df323cf2cb943542c48fb8b219e66f0e29c3096 2016-03-09 20:08:34 +03:00			`.transformed {`
Bug 1247854 - Apply the correct scroll clips to the nsDisplayTransform and nsDisplayPerspective of a scrolled perspective item. r=mattwoodrow I've decided to fix this in a very explicit way. The only "magic" part that's left is how we decide that the AGR of the perspective item is outside the scrolled frame (and I'm not sure myself how that works). I didn't want to change what scroll clips we set on what items, because the scroll clip really belongs on the perspective item, because that's the item that needs to be clipped, and it should also be the item that should be scrolled if it weren't for the fact that APZ wouldn't know that it should apply the perspective transform before the APZ transform. MozReview-Commit-ID: BBw8VPohQI4 --HG-- extra : rebase_source : 9e11441af2b5dab93a5908236e153fc6cd2c3d8b extra : histedit_source : 7b3dd75afa92346856765284be48df5618821326 2016-02-26 03:29:41 +03:00			`margin: 300px 100px 100px;`
Bug 1221094 - Reduce the size of the layers in this reftest so that they don't get lowres tiles. MozReview-Commit-ID: 4BY1F9u5we1 --HG-- extra : rebase_source : 7df323cf2cb943542c48fb8b219e66f0e29c3096 2016-03-09 20:08:34 +03:00			`width: 200px;`
			`height: 200px;`
Bug 1247854 - Apply the correct scroll clips to the nsDisplayTransform and nsDisplayPerspective of a scrolled perspective item. r=mattwoodrow I've decided to fix this in a very explicit way. The only "magic" part that's left is how we decide that the AGR of the perspective item is outside the scrolled frame (and I'm not sure myself how that works). I didn't want to change what scroll clips we set on what items, because the scroll clip really belongs on the perspective item, because that's the item that needs to be clipped, and it should also be the item that should be scrolled if it weren't for the fact that APZ wouldn't know that it should apply the perspective transform before the APZ transform. MozReview-Commit-ID: BBw8VPohQI4 --HG-- extra : rebase_source : 9e11441af2b5dab93a5908236e153fc6cd2c3d8b extra : histedit_source : 7b3dd75afa92346856765284be48df5618821326 2016-02-26 03:29:41 +03:00			`border: 10px solid black;`
			`}`

Bug 1221094 - Reduce the size of the layers in this reftest so that they don't get lowres tiles. MozReview-Commit-ID: 4BY1F9u5we1 --HG-- extra : rebase_source : 7df323cf2cb943542c48fb8b219e66f0e29c3096 2016-03-09 20:08:34 +03:00			`.spacer {`
			`height: 4000px;`
			`}`

Bug 1247854 - Apply the correct scroll clips to the nsDisplayTransform and nsDisplayPerspective of a scrolled perspective item. r=mattwoodrow I've decided to fix this in a very explicit way. The only "magic" part that's left is how we decide that the AGR of the perspective item is outside the scrolled frame (and I'm not sure myself how that works). I didn't want to change what scroll clips we set on what items, because the scroll clip really belongs on the perspective item, because that's the item that needs to be clipped, and it should also be the item that should be scrolled if it weren't for the fact that APZ wouldn't know that it should apply the perspective transform before the APZ transform. MozReview-Commit-ID: BBw8VPohQI4 --HG-- extra : rebase_source : 9e11441af2b5dab93a5908236e153fc6cd2c3d8b extra : histedit_source : 7b3dd75afa92346856765284be48df5618821326 2016-02-26 03:29:41 +03:00			`</style>`

Bug 1221094 - Reduce the size of the layers in this reftest so that they don't get lowres tiles. MozReview-Commit-ID: 4BY1F9u5we1 --HG-- extra : rebase_source : 7df323cf2cb943542c48fb8b219e66f0e29c3096 2016-03-09 20:08:34 +03:00			`<div class="transformed"></div>`
			`<div class="spacer"></div>`
Bug 1247854 - Apply the correct scroll clips to the nsDisplayTransform and nsDisplayPerspective of a scrolled perspective item. r=mattwoodrow I've decided to fix this in a very explicit way. The only "magic" part that's left is how we decide that the AGR of the perspective item is outside the scrolled frame (and I'm not sure myself how that works). I didn't want to change what scroll clips we set on what items, because the scroll clip really belongs on the perspective item, because that's the item that needs to be clipped, and it should also be the item that should be scrolled if it weren't for the fact that APZ wouldn't know that it should apply the perspective transform before the APZ transform. MozReview-Commit-ID: BBw8VPohQI4 --HG-- extra : rebase_source : 9e11441af2b5dab93a5908236e153fc6cd2c3d8b extra : histedit_source : 7b3dd75afa92346856765284be48df5618821326 2016-02-26 03:29:41 +03:00
			`<script>`

			`document.body.scrollTop = 200;`

			`</script>`