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author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2020-10-12 14:27:29 +0200 |
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committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2020-10-13 09:35:20 +0000 |
commit | c30a6232df03e1efbd9f3b226777b07e087a1122 (patch) | |
tree | e992f45784689f373bcc38d1b79a239ebe17ee23 /chromium/third_party/angle/doc/AddingExtensions.md | |
parent | 7b5b123ac58f58ffde0f4f6e488bcd09aa4decd3 (diff) | |
download | qtwebengine-chromium-85-based.tar.gz |
BASELINE: Update Chromium to 85.0.4183.14085-based
Change-Id: Iaa42f4680837c57725b1344f108c0196741f6057
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
Diffstat (limited to 'chromium/third_party/angle/doc/AddingExtensions.md')
-rw-r--r-- | chromium/third_party/angle/doc/AddingExtensions.md | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/chromium/third_party/angle/doc/AddingExtensions.md b/chromium/third_party/angle/doc/AddingExtensions.md new file mode 100644 index 00000000000..dc7550b9048 --- /dev/null +++ b/chromium/third_party/angle/doc/AddingExtensions.md @@ -0,0 +1,37 @@ +# Introduction + +This page describes how to add new extensions to ANGLE. + +# Adding EGL extensions + +Note: see also [anglebug.com/2621](http://anglebug.com/2621), linked +from the [starter project](Starter-Projects.md) doc, to simplify some +of these steps. + +For extensions requiring new entry points: + +* Add the extension xml to this file: + https://source.chromium.org/chromium/chromium/src/+/master:third_party/angle/scripts/egl_angle_ext.xml + +* Note the prototypes for the new entry points must be added to the + top of the file, and the functions themselves grouped under the + extension name to the bottom of the file. + +* Modify `scripts/registry_xml.py` to add the new extension as needed. + +* run + [scripts/run_code_generation.py](https://source.chromium.org/chromium/chromium/src/+/master:third_party/angle/scripts/run_code_generation.py) + +* The entry point itself goes in the + [entry_points_egl_ext.h](https://source.chromium.org/chromium/chromium/src/+/master:third_party/angle/src/libGLESv2/entry_points_egl_ext.h) + and cpp files. + +* Update + [eglext_angle.h](https://source.chromium.org/chromium/chromium/src/+/master:third_party/angle/include/EGL/eglext_angle.h) + with the new entry points and/or enums. + +* Add members to the appropriate Extensions struct in + [Caps.h](https://source.chromium.org/chromium/chromium/src/+/master:third_party/angle/src/libANGLE/Caps.h) + +* Initialize extension availability in the `Display` subclass's + `generateExtensions` method for displays that can support the extension. |