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A conformant OpenGL ES implementation for Windows, Mac and Linux.
18 045 коммитов 1 957 Ветки 0 Теги 157 MiB
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Ian Elliott 5e87ae0a7d Use VK_ANDROID_surfaceless_query for EGLConfig formats 
That extension allows DisplayVkAndroid::generateConfigs() to query the
swapchain formats (but not yet colorspaces) before ANGLE is given any
VkSurfaceKHR.  This is used for creating EGLConfig's with GL_RGB10_A2
and GL_RGBA16F.

Bug: b/203826952
Change-Id: I55302c98641fbce93f7af428087430763676bdb4
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3492482
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Trevor David Black <vantablack@google.com>
Commit-Queue: Ian Elliott <ianelliott@google.com>
 		2022-03-01 20:29:21 +00:00
android Rename ANGLE APK label to: com.android.angle 2021-06-14 18:00:46 +00:00
build_overrides Vulkan: Wayland dependency 2022-02-24 14:03:21 +00:00
doc Add instructions to build RenderDoc for Android on Windows 2022-02-17 03:22:32 +00:00
extensions Support gl internal format for creating EGLImage from VkImage 2022-02-04 14:10:16 +00:00
gni Correct a typo that was keeping Skia from compiling. 2022-02-25 21:04:02 +00:00
include Use VK_ANDROID_surfaceless_query for EGLConfig formats 2022-03-01 20:29:21 +00:00
infra Fix self link broken by https://crrev.com/c/3124341 2022-02-28 16:50:25 +00:00
samples TorusBufferStorage: Regenerate buffer storage every second. 2022-03-01 11:24:08 +00:00
scripts Tests: Add Castlevania: Symphony of the Night trace 2022-03-01 19:46:08 +00:00
src Use VK_ANDROID_surfaceless_query for EGLConfig formats 2022-03-01 20:29:21 +00:00
third_party Sync logdog with Chromium 2021-12-08 19:25:08 +00:00
tools Upgrade Python scripts from Python2 to Python3 2022-02-24 21:10:41 +00:00
util dEQP: Enable CreateSurfacePlatformEXT tests 2022-03-01 18:44:08 +00:00
.clang-format Update .clang-format. 2020-04-28 14:23:13 +00:00
.gitattributes infra: Trigger win-trace on angle_end2end_tests changes. 2021-11-26 20:53:49 +00:00
.gitignore Vulkan: Wayland dependency 2022-02-24 14:03:21 +00:00
.gn Roll Chromium from 3bcc8fd7c291 to 6c5859c895f5 (510 revisions) 2021-06-09 18:06:11 +00:00
.style.yapf Format all of ANGLE's python code. 2019-05-06 18:56:09 +00:00
.vpython Remove reference to policy_testserver.py 2022-02-15 16:18:29 +00:00
.vpython3 Fix Python3 usage with perf tests/gold tests. 2021-11-26 18:45:29 +00:00
.yapfignore Add .yapfignore file 2019-10-14 17:57:09 +00:00
AUTHORS Unicode support for system_utils on Windows 2022-02-14 19:58:20 +00:00
Android.mk Remove .find_ignore files 2021-05-20 18:35:26 +00:00
BUILD.gn Metal: Refactor to build without SPIR-V 2022-01-28 00:47:50 +00:00
CONTRIBUTORS Unicode support for system_utils on Windows 2022-02-14 19:58:20 +00:00
DEPS Tests: Add Castlevania: Symphony of the Night trace 2022-03-01 19:46:08 +00:00
DIR_METADATA Move metadata in OWNERS files to DIR_METADATA files 2021-02-04 19:09:11 +00:00
LICENSE Update license and readme for use downstream 2018-03-27 20:53:53 +00:00
OWNERS Add to ANGLE's OWNERS 2022-02-25 20:10:02 +00:00
PRESUBMIT.py Add tint: to the list of allowed Bug: tags. 2021-04-06 13:56:58 +00:00
README.chromium Update license and readme for use downstream 2018-03-27 20:53:53 +00:00
README.md Update Metal/iOS status from "planned" to "in progress". 2022-01-21 22:14:15 +00:00
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
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 complete
OpenGL ES 3.0 complete complete complete complete in progress
OpenGL ES 3.1 incomplete 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 in progress
Chrome OS complete planned
Android complete complete
GGP (Stadia) complete
Fuchsia complete

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