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A conformant OpenGL ES implementation for Windows, Mac and Linux.
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Cody Northrop 84f45f105b Use checkout_angle_internal for non-public files 
The previous flag was too broad, pulling all Chromium
internal files. We only need one repository.

Bug: angleproject:3630
Bug: chromium:1032708
Change-Id: I8aac322e2f748570432be27f2981f927bd264fce
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1969735
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Cody Northrop <cnorthrop@google.com>
 		2019-12-20 23:22:09 +00:00
android Remove build_apk_secondary_abi from gn files 2019-12-04 21:52:52 +00:00
build_overrides Vulkan: Use volk to load vk* func ptrs 2019-12-16 20:08:39 +00:00
doc Vulkan: Use volk to load vk* func ptrs 2019-12-16 20:08:39 +00:00
extensions Add ability to disable all ANGLE features 2019-11-20 17:01:23 +00:00
gni Re-land "Add new test runner harness." (#2) 2019-12-16 23:52:35 +00:00
include Implement SamplerVideoWEBGL for WEBGL_video_texture extension on desktop 2019-12-18 16:49:26 +00:00
infra Link to the autoroller configuration directory in the wrangling doc. 2019-12-03 16:46:55 +00:00
samples GN: Make new angle_test_utils target. 2019-12-16 22:35:05 +00:00
scripts Fix textureGatherOffsets classification 2019-12-19 05:57:04 +00:00
src Vulkan: Disallow multisampling with a sample count of 1 2019-12-20 19:44:35 +00:00
third_party Remove an unused .gn file. 2019-12-03 16:33:56 +00:00
tools Automatically call flex/bison if necessary 2019-12-03 19:29:42 +00:00
util Re-land "Add new test runner harness." (#2) 2019-12-16 23:52:35 +00:00
.clang-format
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.gitattributes Automatically call flex/bison if necessary 2019-12-03 19:29:42 +00:00
.gitignore Ignore nameless vim swap files 2019-12-19 16:38:59 +00:00
.gn
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.style.yapf
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.yapfignore
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AUTHORS Add Broadcom as a known vendor 2019-12-19 18:00:56 +00:00
BUILD.gn Vulkan: Add test that logs supported texture formats 2019-12-16 22:47:25 +00:00
CONTRIBUTORS Add Broadcom as a known vendor 2019-12-19 18:00:56 +00:00
DEPS Use checkout_angle_internal for non-public files 2019-12-20 23:22:09 +00:00
LICENSE
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OWNERS
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PRESUBMIT.py Improve presubmit's Bug: tag check 2019-12-17 15:56:43 +00:00
README.chromium
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README.md Add Metal progress to README 2019-11-11 13:48:50 +00:00
WATCHLISTS
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additional_readme_paths.json
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codereview.settings Use "full" git cl format by default. 2019-10-24 23:14:12 +00:00
dotfile_settings.gni Remove Vulkan repos from exec script whitelist. 2019-10-20 16:26:45 +00:00

README.md

ANGLE - Almost Native Graphics Layer Engine

The goal of ANGLE is to allow users of multiple operating systems to seamlessly run WebGL and other OpenGL ES content by translating OpenGL ES API calls to one of the hardware-supported APIs available for that platform. ANGLE currently provides translation from OpenGL ES 2.0 and 3.0 to desktop OpenGL, OpenGL ES, Direct3D 9, and Direct3D 11. Support for translation from OpenGL ES to Vulkan is underway, and future plans include compute shader support (ES 3.1) and MacOS support.

Level of OpenGL ES support via backing renderers

Direct3D 9 Direct3D 11 Desktop GL GL ES Vulkan Metal
OpenGL ES 2.0 complete complete complete complete complete in progress
OpenGL ES 3.0 complete complete complete in progress
OpenGL ES 3.1 in progress complete complete in progress
OpenGL ES 3.2 planned planned planned

Platform support via backing renderers

Direct3D 9 Direct3D 11 Desktop GL GL ES Vulkan Metal
Windows complete complete complete complete complete
Linux complete complete
Mac OS X complete in progress
iOS planned
Chrome OS complete planned
Android complete complete
Fuchsia in progress

ANGLE v1.0.772 was certified compliant by passing the ES 2.0.3 conformance tests in October 2011. ANGLE also provides an implementation of the EGL 1.4 specification.

ANGLE is used as the default WebGL backend for both Google Chrome and Mozilla Firefox on Windows platforms. Chrome uses ANGLE for all graphics rendering on Windows, including the accelerated Canvas2D implementation and the Native Client sandbox environment.

Portions of the ANGLE shader compiler are used as a shader validator and translator by WebGL implementations across multiple platforms. It is used on Mac OS X, Linux, and in mobile variants of the browsers. Having one shader validator helps to ensure that a consistent set of GLSL ES shaders are accepted across browsers and platforms. The shader translator can be used to translate shaders to other shading languages, and to optionally apply shader modifications to work around bugs or quirks in the native graphics drivers. The translator targets Desktop GLSL, Direct3D HLSL, and even ESSL for native GLES2 platforms.

Sources

ANGLE repository is hosted by Chromium project and can be browsed online or cloned with

git clone https://chromium.googlesource.com/angle/angle

Building

View the Dev setup instructions.

Contributing