AvaloniaUI
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angle
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A conformant OpenGL ES implementation for Windows, Mac and Linux.
12 318 коммитов 1 957 Ветки 0 Теги 157 MiB
C++ 86.8%
C 6.8%
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Python 2.2%
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Jamie Madill 2126a1071e EGLWindow: Clean up some init attribute code. 
EGL_CONTEXT_OPENGL_DEBUG is only exposed as of EGL 1.5.
We can also now properly test for no_error extension strings.
Do not require backwards compatible context extensions.

Fixes parts of using EGLWindow to load native EGL drivers.

Bug: angleproject:4596
Change-Id: I4de8f492f265d29f6603ed1b35b123e362699c54
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2176271
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
 		2020-05-04 15:48:47 +00:00
android Reformat GN files 2020-02-21 23:37:44 +00:00
build_overrides Statically link vulkan-loader on Mac 2020-04-24 19:52:39 +00:00
doc Update OWNERS information. 2020-03-27 19:58:54 +00:00
extensions Split EGL_CHROMIUM_sync_control into EGL_ANGLE_sync_control_rate 2020-03-31 20:55:48 +00:00
gni Statically link vulkan-loader on Mac 2020-04-24 19:52:39 +00:00
include OpenGL: Implement OES_draw_buffers_indexed 2020-04-27 19:17:17 +00:00
infra doc: fix link to pre-commit try waterfall 2020-05-01 16:30:48 +00:00
samples Implement GL_APPLE_clip_distance 2020-04-22 18:17:56 +00:00
scripts Work around strange git cl format issue. 2020-05-01 19:42:36 +00:00
src Implement setBinaryRetrievableHint 2020-05-04 15:44:06 +00:00
third_party Make Soong ignore build files in third_party 2020-02-24 23:05:30 +00:00
tools Automatically call flex/bison if necessary 2019-12-03 19:29:42 +00:00
util EGLWindow: Clean up some init attribute code. 2020-05-04 15:48:47 +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 Ignore third_party/nasm in .gitignore. 2020-04-28 20:43:50 +00:00
.gn angle: Stop setting secondary_source. 2019-05-13 13:42:57 +00:00
.style.yapf Format all of ANGLE's python code. 2019-05-06 18:56:09 +00:00
.yapfignore Add .yapfignore file 2019-10-14 17:57:09 +00:00
AUTHORS Implement RGTC (BC4, BC5) compressed texture formats 2020-02-04 22:58:25 +00:00
BUILD.gn Depend on vulkan headers in angle_gpu_info_util 2020-04-07 19:06:48 +00:00
CONTRIBUTORS EGL: Add support for EGL_EXT_image_gl_colorspace extension 2020-04-09 17:31:30 +00:00
DEPS Roll third_party/SwiftShader 694e21400ee5..b798cfa374eb (9 commits) 2020-05-04 08:01:14 +00:00
LICENSE Update license and readme for use downstream 2018-03-27 20:53:53 +00:00
OWNERS Update OWNERS information. 2020-03-27 19:58:54 +00:00
PRESUBMIT.py Tweaks to presubmit script. 2020-05-01 01:19:26 +00:00
README.chromium Update license and readme for use downstream 2018-03-27 20:53:53 +00:00
README.md Add more documentation on testing infrastructure. 2020-03-16 20:27:18 +00:00
WATCHLISTS Fix quotes around emails in WATCHLISTS 2020-04-21 16:50:07 +00:00
additional_readme_paths.json Vulkan: Add VulkanMemoryAllocator to DEPS. 2020-04-07 18:07:15 +00:00
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, 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 in progress
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
Fuchsia in progress

ANGLE v1.0.772 was certified compliant by passing the ES 2.0.3 conformance tests in October 2011. With the Vulkan backend, ANGLE 2.1.0.d46e2fb1e341 was certified compliant to ES 2.0 in Nov 2019, and ANGLE 2.1.0.f18ff947360d to ES 3.0 in Feb 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