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A conformant OpenGL ES implementation for Windows, Mac and Linux.
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Le Hoang Quyen 63c91a3bb9 Metal: autogen for PBO related shaders. 
Bug: angleproject:2634
Change-Id: I36e5a6a4cb11d82f666c410b33fdb39ad35a5e80
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2336557
Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
 		2020-09-14 16:19:14 +00:00
android Rename ANGLE apk package to org.chromium.angle 2020-09-01 14:09:21 +00:00
build_overrides Add third_party/abseil-cpp to ANGLE 2020-08-28 21:30:49 +00:00
doc Rename ANGLE apk package to org.chromium.angle 2020-09-01 14:09:21 +00:00
extensions Add support for P010 IOSurfaces 2020-08-26 18:42:31 +00:00
gni Expand is_linux to is_linux || is_chromeos. 2020-09-10 20:29:01 +00:00
include Cleanup disable_program_binary workaround 2020-09-10 20:51:01 +00:00
infra Infra: Migrate to new Goma RBE service 2020-06-10 16:16:45 +00:00
samples Correctly forward 'data' for capture_replay sample. 2020-09-14 16:14:54 +00:00
scripts Metal: autogen for PBO related shaders. 2020-09-14 16:19:14 +00:00
src Metal: autogen for PBO related shaders. 2020-09-14 16:19:14 +00:00
third_party Expand is_linux to is_linux || is_chromeos. 2020-09-10 20:29:01 +00:00
tools Create empty //tools/android/md5sum/BUILD.gn 2020-08-04 22:40:36 +00:00
util Samples: Enable Debug callback. 2020-09-14 15:31:13 +00:00
.clang-format Update .clang-format. 2020-04-28 14:23:13 +00:00
.gitattributes Automatically call flex/bison if necessary 2019-12-03 19:29:42 +00:00
.gitignore Add third_party/abseil-cpp to ANGLE 2020-08-28 21:30:49 +00:00
.gn
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.style.yapf
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.yapfignore Add .yapfignore file 2019-10-14 17:57:09 +00:00
AUTHORS GCC: init kImageMemoryBarrierData with initializer constructor 2020-09-09 18:41:52 +00:00
BUILD.gn Enable -Wweak-template-vtables. 2020-09-11 02:02:00 +00:00
CONTRIBUTORS GCC: init kImageMemoryBarrierData with initializer constructor 2020-09-09 18:41:52 +00:00
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LICENSE
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PRESUBMIT.py Re-land "Feedback Loop Redesign 2/3: Track bound FBOs in Texture." 2020-08-20 01:24:10 +00:00
README.chromium
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WATCHLISTS Fix quotes around emails in WATCHLISTS 2020-04-21 16:50:07 +00:00
additional_readme_paths.json Vulkan: Generate mipmap in compute 2020-07-26 19:38:41 +00:00
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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, 3.0 and 3.1 to Vulkan, desktop OpenGL, OpenGL ES, Direct3D 9, and Direct3D 11. Future plans include ES 3.2, translation to Metal and MacOS, Chrome OS, and Fuchsia 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 complete
OpenGL ES 3.1 in progress complete complete complete
OpenGL ES 3.2 in progress in progress in progress

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
GGP (Stadia) complete
Fuchsia in progress

ANGLE v1.0.772 was certified compliant by passing the OpenGL ES 2.0.3 conformance tests in October 2011.

ANGLE has received the following certifications with the Vulkan backend:

  • OpenGL ES 2.0: ANGLE 2.1.0.d46e2fb1e341 (Nov, 2019)
  • OpenGL ES 3.0: ANGLE 2.1.0.f18ff947360d (Feb, 2020)
  • OpenGL ES 3.1: ANGLE 2.1.0.f5dace0f1e57 (Jul, 2020)

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, Vulkan 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